Loading...
HomeMy WebLinkAboutPOOL - SPA HEATER INSTALLATION MANUAL - GUIDEPag 0, ea UM- wrourl 4S PPINIVIR >> 'P,r6 d1a 4 iip;­ ps,>> H 08ALR L0000A I ',t$PAOL SE RECEIVED OCT 2 2018 SCANNED . D 01"Al OCT7-T OCT 2 3 2018 A, N v " co BY ST. Lucie county, ST. Lucie St Lucie County AV 40"t,Oyr a11PP01 i h4VV Mb C 14_j 'ONT D S %LEjk5S t'QlUMES MA TOZINp- A,ovegroun'd I - I, I systems Auiomatiop; CLea ners, OVP .t�ie W, . .in ro4pd RWeg QvOrviewi MasIter' ell mp llHiqll! 'terTeinpanti 'RAxS-,Therm Hester I , 4x MjnIMVent Kits 400 I cevsori . Abbve'gryond HeaWs: H6 at Puth 1 00 , On# Pumps Vol' ww� bd* H10H "M QIMI'R EN R K. E R S-' P� MR ,� Ma,sterT,emj . Y :offers aft niice:a dIr Uabi[i"ty ftatU r6s you ,went ln Jwaflni system" PW% Usor.-If I derlo I ti'gh,,ts,make sy*,tem"oporat on arid monitorin q g 0 snap. The,, admoadt. 46s�Osnd ,sop 6 "t' Jelbpera On it t t o d e -.o,, n': y 0 . ur pool. id ' L tare st01 qisvrO ffie,. H'eayd v', J,H.0) phjt w-RK.du ntk9:6:k.lhger8 f Am ds opto tli:e hard d't dfpp'06alflopqsUke" pv,pH' NO ftwor heavy'ase, PEATUPE8. _n 0 lqg or�sp�i- HPWs op fast,so ina,tong Vet it 0, Man,udt:gOSLshutoffwh.en:service. . is required`' 0 ii7utrstandr sVystari 4v or 4asy'g.jewing Tou e :e 'Mote: The, MWerTempfleater iscertified; for'LaW N Qxgm isslpns Heat: Exchanoer Efficient: htt,p-//�v";,pdntalr 6,oI com/' r6dqcis/heaterg-aqd-heat�pumps-mground,,;heateisi;iiia�tertemp-9'5htm 04/18/20,14 L71 P E W TA I RECEIVED MASTERTEM - '` -`� - SPA HEATER INSTALLATION AND USER'S GUIDE FOR YOUR SAFETY - READ BEFORE OPERATING NOW, , If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. For additional free copies of this manual; call (800) 831-7133. FOR YOUR SAFETY - This product must be installed and serviced by authorized personnel, qualified inpool/spa heater installation. Improper installation and/or operation can create carbon monoxide gas and flue gases which can cause serious injury, property damage, or death. For indoor installations, as an additional measure of safety, Pentair Agiatic Systems strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces. Improper installation and/or operation will void the warranty. 1201240 VAC NATURAL GASILP GAS Ask Models Natural Propane��" 175K BTU/HR 460792 460793 200K BTU/HR (ASME) 461000 461001 200K BTU/HR 460730 460731 200K BTU/HR (HD ASME) 461032 — t 250K BTU/HR 460732 460733 250K BTU/HR (HD) 460806 250K BTU/HR (ASME) 460771 460772 etamsC> 250K BTU/HR HD ASME 461020 300K BTU/HR 460734 460735 400K BTU/HR 460736 460737`�k;, 400K BTU/HR (HD) 460805 ' a v. 400K BTU/HR (ASME) 460775 460776 400K BTU/HR ASME) 461021 (HD — t x� r,- Improper installation, adjustment, alteration, service or maintenance can cause FONIMpropertyclarnage, personal injury or death. Installation and service must be performed by a qualified installer, service agency or the gas supplier. WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. FOR • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. YOUR Follow the gas supplier's instructions. SAFETY - If you cannot reach your gas supplier, call the fire department. DO NOT store or use gasoline or otherflammable vapors and liquids in the vicinity of this or other appliances. Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC 27330 • (8001831-7133 or (9191566-8000 10951 W. Los Angeles Ave., Moorpark, CA93021 • (8001831-7133 or(805)553-5000 4 Section 1. Heater identification Information To identify the heater, see rating plate on the inner front panel of the'heater. There are two designators for each heater, one is the Model Number and the other is the Heater IdentificationNumber(HIN). a. Heater Identification Number (HIM The following example simplifies the identification system: 1) MT: MasterTemp 2) Model Size: (175, 200, 250, 300 or 400) :Input rating (Btu/hr) X 1000 3) Fuel Type : (LP = Propane gas or NA = Natural gas) 4) Construction : (STD = Standard Model) (HD = Heavy Duty Model) (ASME = ASME Certified Model) (HD ASME = Heavy Duty ASME Model) HEATER IDENTIFICATION INFORMATION - (HIN) H. I. N. HEATER IDENTIFICATION NUMBER ID DESIGNATOR FOR PENTAIR AQUATIC SYSTEMS MASTERTEMP®HEATERS Example: 1 2 3 4 L DDEL VIE MODEL MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 1y \ Section 2. Warning and Safety Instructions 5 IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS MASTERTEMP® Pool and Spa Heater Congratulations on your purchase of the MasterTemp Pool and Spa Heater. Proper installation and service of your new heating system and correct chemical maintenance of the water will ensure years of enjoyment. The MasterTemp heater is a compact, lightweight, efficient, induced -draft, gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe. The MasterTemp heater also comes equipped with the Pentair multifunction temperature controller which shows, at a glance, the proper functioning of the heater. All MasterTemp heaters are designed with a direct ignition device, HSI (hot -surface ignition), which eliminates the need for a standing pilot. The MasterTemp heater requires an external power source (120/240 VAC 60 Hz) to operate. SPECIAL INSTRUCTIONS TO OWNER: Retain this manual for future reference. This instruction manual provides operating instructions, installation and service information for the MasterTemp high performance heater. The information in this manual applies to all MasterTemp heater models. READ AND REVIEW THIS MANUAL COMPLETELY, it is very important that the owner/installer read and understand the section covering installation instructions, and recognize the local and state codes before installing the MasterTemp heater. Its use will reduce service calls and chance of injury and will lengthen product life. History and experience has shown that most heater damage is caused by improper installation practices. IMPORTANT NOTICES For the installer and operator of the MasterTemp heater: The manufacturer's warranty may be void if, for any reason, the heater is improperly installed and/or operated. Be sure to follow the instructions set forth in this manual. Ifyou need any more information, or if you have any questions regarding to this pool heater, please contact Pentair Aquatic Systems at (800) 831-7133. WARRANTY INFORMATION The MasterTemp pool and spa heater is sold with a limited factory warranty. Specific details are described on the warranty registration card which is included with the product. Return the warranty registration card after filling in the serial number from the rating plate inside the heater. Pentair Aquatic Systems high standards of excellence include a policy of continuous product improvement resulting in your state-qf-the-art heater We reserve the right to make improvements which change the specifications of the heater without incurring an obligation to update the current heater equipment. These heaters are designed for the heating of chlorine, bromine or salt system swimming pools and spas or in non -stationary installations, and should never be employed for use as space heating boilers or general purpose water heaters. The manufacturer's warranty may be void if, for any reason, the heater is improperly installed and/or operated. Be sure. to follow the instructions set forth in this manual. ©CAUTION OPERATING THIS HEATER CONTINUOUSLY AT WATER TEMPERATURE BELOW 680 F. WILL CAUSE HARMFUL CONDENSATION AND WILL DAMAGE THE HEATER AND VOID THE WARRANTY. Do not use the heater to protect pools or spas from freezing if the final maintenance temperature desired is below 680 F, as this will cause condensation related problems. Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide Section 2. Warning and Safety Instructions CODE REQUIREMENTS Installation must be in accordance with all local codes and/or the latest edition of the National Fuel Gas Code, ANSI Z223.1 and the latest edition of the National Electrical Code, NFPA 70 (US). Installation in Canada must be in accordance with the latest CAN/CGA-B 149.1 or .2 and CSA C22.1 Canadian Electric Code, part 1. The heater, when installed, must be electrically grounded and bonded in accordance with local codes, or, in absence of local codes, with the National Electrical Code, ANSI/NFPA70 (US) or in Canada in accordance with the Canadian Electric Code, part l .as applicable. 11 pESIGp SA r�4 CfATIF1E� TM ©DANGER CARBON MONOXIDE GAS IS DEADLY— Exhaust from this pool heater contains toxic levels of carbon monoxide, a dangerous, poisonous gas you cannot see or smell. CONSUMER INFORMATION AND SAFETY ©WARNING The U.S. Consumer Product Safety Commission warns that elevated water temperature can be hazardous. See below for water temperature guidelines before setting temperature. 1. Spa or hot tub water temperatures should never exceed 104° F (40° C). A temperature of 100117 (381 C) is considered safe for a healthy adult. Special caution is suggested for young children. 2. Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning. 3. Pregnant women beware! Soaking in water above 1020 F (390 C) can cause fetal damage during the first three months of pregnancy (resulting in the birth of a brain -damaged or deformed child). Pregnant women should stick to the 1001 F (38' C) maximum rule. 4. Before ente ing the spa or hot tub, the user should check the water temperature with an accurate thermometer. Spa or hot tub thermostats may err in regulating water temperatures by as much as 4° F (2.2° C). 5. Persons with a medical history of heart disease, circulatory problems, diabetes or blood pressure problems should obtain their physician's advice before using spas or hot tubs. 6. Persons taking medication which induce drowsiness, such as tranquilizers, antihistamines or anticoagulants should not use spas or hot tubs. ©WARNING Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the heater. Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the heater and to replace any part of control system and gas control which has been under water. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 2. Warning and Safety Instructions 7 SAFETY INFORMATION The MasterTemp® pool heaters are designed and manufactured to provide many years of safe and reliable service when installed, operated and maintained according to the information in this manual. Throughout the manual, safety warnings and cautions are identified by the 'A" symbol. Be sure to read and comply with all of the warnings and cautions. ©DANGER — CARBON MONOXIDE GAS IS DEADLY READ OWNERS MANUAL COMPLETELY BEFORE OPERATING THIS PRODUCT MUST'BE INSTALLED AND SERVICED BY A PROFESSIONAL SERVICE TECHNICIAN, QUALIFIED IN POOL HEATER INSTALLATION. Some jurisdictions require that installers be licensed. Check with your local building authority about contractor licensing requirements. Improper installation and/or operation could create carbon monoxide gas and flue gases which could cause serious injury or death. Improper installation and/or operation will void the warranty. Exhaust from this pool heater contains toxic levels of carbon monoxide, a dangerous, poisonous gas you cannot see or smell. Symptoms of carbon monoxide exposure or poisoning include dizziness, headache, nausea, weakness, sleepiness, muscular twitching, vomiting and inability to think clearly. IF YOU EXPERIENCE ANY OF THE ABOVE SYMPTOMS, IMMEDIATELY TURN OFF THE POOL HEATER, LEAVE THE VICINITY OF THE POOL OR SPA AND GET INTO FRESH AIR IMMEDIATELY. THE POOL HEATER MUST BE THOROUGHLY TESTED BY A GAS PROFESSIONAL -BEFORE RESUMING OPERATION. EXCESSIVE CARBON MONOXIDE EXPOSURE CAN CAUSE BRAIN DAMAGE OR DEATH. NEVER use this pool heater indoors without specified ventilation system (and properly installed vent pipe). NEVER use this pool heater in the home or in partly enclosed areas (such as garages), unless the specified ventilation system is used. If used outdoors, install far from open windows, doors, vents and other openings. Pentair strongly recommends that all vents, pipes and exhaust systems be initially and periodically tested for proper operation. This testing can be accomplished by using a hand-held carbon monoxide meter and/or by consulting with a gas professional. Pool heaters must be used in conjunction with carbon monoxide detectors installed nearthe pool heater. The carbon monoxide detectors must be periodically inspected for proper operation so as to insure continued safety. Broken or malfunctioning carbon monoxidedetectors must be replaced immediately. ©WARNING —FOR YOUR SAFETY This product must be installed and serviced by a professional service technician, qualified in pool heater installation. Some jurisdictions require that installers be licensed. Check with your local building authority about contractor licensing requirements. Improper installation and/or operation could create carbon monoxide gas and flue gases which could cause serious injury or death. Improper installation and/or operation will void the warranty. ©WARNING —This heater is equipped with an unconventional gas control valve that is factory set with -a manifold pressure of -.2 inches wc. Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation or service must be performed by a qualified installer, service agency or the gas supplier. If this control is replaced, it j must be replaced with an identical control. Do not attempt to adjust the gas flow by adjusting the regulator setting. Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide Section 2. Warning and Safety Instructions SAFETY INFORMATION, (cont'dj ©WARNING —Risk of fire or explosion from incorrect fuel use or faulty fuel conversion. Do not try to run a heater set up for natural gas on propane gas or vice versa. Only qualified service technicians should attempt to convert heater from one fuel to the other. Do not attempt to alter the rated input or type of gas by changing the orifice. If it is necessary to convert to a different type of gas, consult your Pentair dealer. Serious malfunction of the burner can occur which may result in loss of life. Any additions, changes, or conversions required in order for the appliance to satisfactorily meet the application needs must be made by a Pentair dealer or other qualified agency using factory specified and approved parts. The heater is available for use with natural gas or LP (propane) gas only. It is not designed to operate with any other fuels. Refer to the nameplate for the type of gas the heater is equipped to use. • Use heater only with the fuel for which it is designed. • If a fuel conversion is necessary, refer this work to a qualified service technician or gas supplier before putting the heater into operation. ©WARNING — Risk of fire or explosion from flammable vapors. Do not store gasoline, cleaning fluids, varnishes, paints, or other volatile flammable liquids near heater or in the same room with heater. ©WARNING —Risk of explosion if unit is installed near propane gas storage. Propane (LP) gas is heavier than air. Consult local codes and fire protection authorities about specific installation requirements and restrictions. Locate the heater away from propane gas storage and filling equipment as specified by the Standard for the Storage and Handling of Liquefied Petroleum Gases, CANICSA B149.2 (latest edition) or ANSI/NFPA 58 (latest edition). AWARNING —Risk of fire, carbon monoxide poisoning, or asphyxiation if exhaust venting system leaks. Only qualified service technicians should attempt to service the heater, as leakage of exhaust products or flammable gas may result from incorrect servicing. O WARNING — Risk of asphyxiation if exhaust is not correctly vented. Follow venting instructions exactly when installing heater. Do not use a drafthood with this heater, as the exhaust is under pressure from the burner blower and a draft hood will allow exhaust fumes to blow into the room housing the heater. The heater is supplied with an integral venting system for outdoor installation. A vent conversion kit (See Page 24 for Part Numbers for Conversion Kits) is available for installations in enclosures (Canada) or indoors (U.S.). Use the specified venting, and only the specified venting, when heater is installed in an enclosure or indoors. In Canada, this pool heater can only be installed outdoors or in an enclosure that is not normally occupied and has no openings directly into occupied areas. See Page 19 for enclosure venting requirements. 0 CAUTION — Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Wiring errors can also destroy the control board. • Connect heater to 120 or 240 Volt, 60 Hz., Single Phase power only. • Verify proper operation after servicing. • Do not allow children to play on or around heater or associated equipment. • Never allow children to use the pool or spa without adult supervision. • Read and follow other safety information contained in this manual prior to operating this pool heater. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 i Section 2. Warning and Safety Instructions s CONSUMER INFORMATION AND SAFETY ©WARNING Th : U.S. Consumer Product Safety Commission warns that carbon monoxide is an "invisible killer". Carbon monoxide is a colorless and odorless gas. 1. Carbon monoxide is produced by burning fuel, including natural gas and propane. 2. Proper installation, operation and maintenance of fuel -burning appliances in the home is the most important factor in reducing carbon monoxide poisoning. 3. Be sure that fuel burning appliances such as heaters are installed by professionals according to manufacturer's instructions and codes. 4. Always follow the manufacturer's directions for safe operation. 5. Have the heating system (including vents) inspected and serviced annually by a trained service technician. 6. Examine vents regularly for improper connections, visible cracks, rust or stains. 7. Install battery -operated carbon monoxide alarms. The alarms should be certified to the requirements of the most recent UL, IAS, CSA and IAPMO standard for carbon monoxide alarms. Test carbon monoxide alarms regularly and replace dead batteries. GENERAL SPECIFICATIONS NOTICE: • Combustion air contaminated by corrosive chemical fumes can damage the heater and will void the warranty. • The Combination Gas Control Valve on this heater differs from most appliance gas controls. If it must be replaced, for safety reasons replace it only with an identical gas control. • The access door panels must be in place to provide proper ventilation. Do not operate the heater for more than -five (5) minutes with the access door panels removed. • This heater is design certified by CSA International as complying with the Standard for Gas Fired Pool Heaters, ANSI Z21.56/CSA 4.7, and is intended for use in heating fresh water swimming pools or spas. • The heater is designed for the heating of chlorine, bromine or salt system swimming pools and spas. It should NOT be used as a space heating boiler, or general purpose water heater. • The heater is design certified by CSA International for installation on combustible flooring. Specified minimum clearances must be maintained to combustible surfaces (see "Heater Clearances", page 18). • The heater should be located in an area where leakage of the heater or connections will not result in damage_to the area adjacent to the heater or to the structure. When such locations cannot be avoided, it is' recommended that a suitable drain pan, adequately drained, be installed under the heater. The pan must not restrict air flow. • The heater may not be installed within 5 ft. (1.5M ) of the inside surface of a pool or spa unless it is separated by a solid fence, wall or other permanent barrier. Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's .Guide 10 Section 3. Installation Instructions HEATER DESCRIPTION Figure l is a diagram ofthe heater showing how it operates. Precisely matched orifice plates meter the air and gas into the mixer. The blower draws the air and gas through the mixer and forces it into the burner's flame holder. A sealed heat exchanger surrounds the flame holder, discharging exhaust gases out the flue. Two inch PVC water piping connects directly to the manifold/header on the heat exchanger using 2" PVC slip unions provided with the heater. The outer manifold remains cool; no heat sinks are required. A thermal regulator and an internal bypass regulate the water flow through the heat exchanger to maintain the correct outlet temperature. The heater operator control panel board assembly is located on top of the heater. SEQUENCE OF OPERATION An electronic temperature sensing thermistor in the manifold adapter inlet controls the heater operation. When the inlet water temperature drops below the temperature set on the operating control, the burner controller supplies power to the combustion air blower through a series of safety interlocks. The interlocks coi • the pressure switch (PS), which senses that the pump is running, • the high limit switch (HLS), which opens if the heat exchanger outlet temperature goes above 135' F (57° C), and • the air flow switch (AFS), which senses the pressure drop across the air metering orifice, • the automatic gas shut-off (AGS) switch, which opens if the heat exchanger outlet temperature goes above 140' F (6W C). • the stack flue sensor (SFS), which shuts down the heater if the flue gas temperature reaches 480' F (249° C). The air flow switch (AFS) senses the pressure drop across the air metering orifice. As soon as there is sufficient air flow, the AFS closes, closing the circuit to the hot surface igniter (HSI), which ignites the fuel mixture. On a call for heat, the blower and HSI are energized. In about 20 seconds, the gas valve opens and ignition occurs. The HSI then switches to a sensing mode and monitors the flame. The heater is equipped with a digital operating control that enables the user to pre-set the desired pool and spa water temperatures. The control enables the user to select between pool and spa heating, and features a digital display that indicates the water temperature. PUTTING THE HEATER INTO SERVICE If the heater is installed below the level of the pool, or more than two feet above pool level, the pressure switch setting should be adjusted. See WATER PRESSURE SWITCH, in the SAFETY CONTROLS Section. Before putting the heater into service for the first time, follow the instructions under "BEFORE START-UP" (page 33) in the front of this manual. Check for proper operation of the heater by following the steps under "OPERATION INSTR.00TIONS." Damage to equipment caused by improper installation or repair will void the warranty. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 4 Section 3. Installation -instructions SPECIFICATIONS These installation instructions are designed for use by qualified personnel only, trained especially for installation of this type of heating equipment and related components. Some states require installation and repair by licensed personnel. If this applies in your state, be sure your contractor bears the appropriate license. See Figure 2 for Outdoor and Indoor Installations. 5" ;m) 32 (82. FRONT ELECTRICAL CONDUIT PORT EXHAUST SIDE I Rev. M '1-8-15 no An, - TOP 10.13" (25.7 cm) lu 15.6" (14.2 cm) PLUMBING SIDE Figure 2. MASTERTEMP® Pool and Spa Heater Installation and User's Guide 12 Section 3.. installation Instructions PLUMBING CONNECTIONS The MasterTemp heater has the unique capability of direct schedule 40 PVC plumbing connections. A set of bulkhead fittings is included with the MasterTemp heater to insure conformity with Pentair's recommended PVC plumbing procedure. Other plumbing connections can be used. See Figure 3 for plumbing connections. ©CAUTION Before operating the heater on a new installation, turn on the circulation pump and bleed all the air from the filter using the air relief valve on top of the filter. Water should flow freely through the heater. Do not operate the heater unless water in the poollspa is at the proper level. If a manual by-pass is installed, temporarily close it to insure that all air is purged from the heater. WATER CONNECTIONS The heater requires proper water flow and pressure for its operation. See Figure 5 for the recommended installation. The filter pump discharges to the filter, the filter discharges to the heater, and the heater discharges directly to the pool or spa. A manual bypass valve should be installed across the heater when .the pump flow exceeds 120 GPM (454 LPM). See "WATER FLOW RATE" on page l 3- Table .l for setting of the manual by-pass valve. Make sure that the outlet plumbing from the heater contains no shut-offvalves or other flow restrictions that could prevent flow through the heater (except for pool installations as noted below, or winterizing valves where needed). To switch flow between the pool and spa, use a diverter valve. Do not use any valve that can shut off the flow. Install the chemical feeder downstream of the heater. Install a chemical resistant one-way check valve between the heater and the chemical feeder to prevent back -siphoning through the heater when the pump is off.. POOL 3-Way Chlorinator Valve Check Valve — Main Drain Filter Pool Spa (�, ;-, j Pum From Pool 3-Way 3-Way Valve Valve Figure 5. NOTICE. If the heater is plumbed in backwards, it will cycle continuously. Make sure piping from filter is not reversed when installing heater. Connect the heater directly to 2" PVC pipe, using the integral unions provided. Heat sinks are not required. The low thermal mass of the heater will prevent overheating of the piping connected to the pump even if the heater shuts down unexpectedly. Occasionally a two -speed pump will not develop enough pressure on the low speed to operate the heater. In this case, run the pump at high speed only to operate the heater. If this does not solve the problem, do not try to run the heater. Instead, correct the installation. Do not operate the heater while an automatic pool cleaner is also operating. If the circulation pump suction is plugged (for example by leaves), there may not be adequate flow to the heater. Do not rely on the pressure switch in this case. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 3. Installation Instructions 13 VALVES When any equipment is located below the surface of the pool or spa, valves should be placed in the circulation piping system to isolate the equipment from the pool or spa. Check valves are recommended to prevent back -siphoning. Back - siphoning is most likely to occur when the pump stops, creating a pressure -suction differential. Do NOT sanitize the pool by putting chlorine tablets or sticks into the skimmer(s). When the pump is off, this will cause a high concentration'of chlorine to enter the heater, which could cause corrosion damage to the heat exchanger. ©CAUTION rm Exercise care when installing chemical feeders so as to not allow back siphoning of chemical into the heater, filters or pump. When chemical feeders are installed in the circulation of the piping system, make sure the feeder outlet line is down stream of the heater, and is equipped with a positive seal noncorrosive "Check Valve", (PIN RI722138); between the feeder and heater. MANUAL BY-PASS Where the water flow rate exceeds the maximum 120 GPM, a manual bypass should be installed and adjusted. After installingthe valve, adjust the valve to bring the flow rate within the acceptable range. Then remove the valve handle or lock it in place to avoid tampering. See Figure 4. Model Min. (GPM) (LPM) Max. (GPM) (LPM) 175 20 (76) 120 (454) 200 20 (76) 120 (454) 250 25 (95) 120 (454) 300 30 (114) 120 (454) 400 40 (152) 120 (454) * Do not exceed the maximum recommended flow rate for the connecting piping. * Pumps 2 HP or larger can produce water pressure flow in excess of 120 GPM. For these pumps, a BY-PASS VALVE is recommended. Table 1 BELOW POOL LEVEL INSTALLATION 1. Set Manual By -Pass Valve. 2. Remove Handle. Inlet to heater If the heater is below water level, the pressure switch must be adjusted. This adjustment must be done by a qualified service technician. See following CAUTION before installation. � CAUTION � BELOW OR ABOVE POOL INSTALLATION The water pressure switch is set in the factory at 3.00 PSI (± 0.75 PSI). This setting is for a heater installed at pool level. If the heater is to be installed more than V above or below, the water pressure switch must be adjusted by a qualified service technician. See page 35, Figure 29. FLOW SWITCH If the heater is installed more than 5' above the pool or more than 4' below the pool level, you will be beyond the limits of the pressure switch and a flow switch must be installed. Locate and install the flow switch externally on the outlet piping from the heater, as close as possible to the heater. Connect the flow switch wires in place➢ of the water pressure switch wires. Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide 14 Section 3. ►nstallation Instructions GAS CONNECTIONS GAS LINE INSTALLATIONS Before installing the gas line, be sure to check which gas the heater has been designed to burn. This is important because different types of gas require different gas pipe sizes. The rating plate on the heater will indicate which gas the heater is designed to burn. The Table 2, shown on page 15, show which size pipe is required for the distance from the gas meter to the heater. The table is for natural gas at a specific gravity of .65 and propane at a specific gravity of 1.55. When sizing gas lines, calculate three (3) additional feet of straight pipe for every elbow used. When installing the gas line, avoid getting dirt, grease or other foreign material in the pipe as this may cause damage to the gas valve, which may result in heater failure. The gas meter should be checked to make sure that it will supply enough gas to the heater and any other appliances that may be used on the same meter. The gas line from the meter will usually be of*a larger size than the gas valve supplied with the heater Therefore a reduction of the connecting gas pipe will be necessary. Make this reduction as close to the heater as possible. The heater requires a gas supply of not less than 4" (1.0.2 cm) we and not more than 14" (35.6 cm) we. Gas supply pressures outside of this range may result in improper burner operation. A minimum flowing or dynamic inlet pressure (while the heater is running) of 4" (10.2cm) we is required to maintain input rating with no more than a 2" pressure drop between static and dynamic. The gas supply must be installed in accordance with the National Fuel Gas Code, ANSIZ223.1, or standard CSA B149.1, Natural Gas and Propane Installation Codes, as applicable and all applicable local codes. Install a manual shut-off valve and a sediment trap and union. located outside the heater panels, see Figure 6. Do not use a restrictive gas cock. The following minimum gas pipe sizes are recommended for natural gas supply piping, see Table-2 on page 15. For low pressure LP gas, pipe size may be reduced by 1/4", with a minimum pipe size of 1/2". Check for compliance with local codes. The heater and any other gas appliances must be disconnected from the gas supply piping system during any pressure testing on that system, (greater than IV2 PSI). The heater and its gas connection must be leak tested before placing the heater in operation. Do not use flame to test the gas line. Use soapy water. or another nonflammable method. NOTE A manual main shut-off valve must be installed externally to the heater. ©WARNING DO NOT INSTALL THE GAS LINE UNION INSIDE THE HEATER CABINET. THIS WILL VOID YOUR WARRANTY. SEDIMENTTRAPS Install a sediment trap and union located outside the heater panels in accordance with National code requirements. Do not use a restrictive gas cock. The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet which can be removed for cleaning-, as illustrated in Figure 6, or an other device recognized as an effective sediment trap. All gas piping should be tested after installation in accordance with local codes. 18-24" of 3/4" Manual Gas line from Shut-off Valve Valve 1" Dia. or larger (See "Recommended Pipe Sizes" Chart) Bell Reducer 1 Ez o a e FA o a p o o e D TAt[e�`ast 9" 0000 0 Union At least 3" o a ®� o Sediment 0 Trap aoo e Figure 6. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 I Section 3. Installation 15 GAS PIPE SIZING STAGE TWO "LOW PRESSURE" GAS PIPE SIZING Table 2. PIPE SIZING FOR GAS LINE CONNECTIONS MAXIMUM EQUIVALENT PIPE LENGTH (Ft.) Natural Gas at 1000 B.T.U. per Cubic Foot Propane Gas at 2500 B.T.U. per Cubic Foot MODEL 112" 314" 1" 1-114" 1-112" 2" 2-112" NAT PRO NAT PRO NAT PRO NAT PRO NAT PRO NAT I PRO NAT PRO 175 - 20' 30' 80' 125' 25Y 450' 600' - - 200 - 20' 30' 80' 125' 259 450' 600' - 250 - 10' 20' 50' 70' 150' 250' 50Y 600' - - 300 - - 10' 30' 50' 100' 200' 35Y 400' 600' - - 400 - - 10' 20' 60' 100' 150' 200' 450' 400' TESTING GAS PRESSURE Before operating the heater, the heater and its gas connections must be leak tested. Do NOT use an open flame to test for leaks. Test all gas connections for leaks with soapy water or another non-flammable method (see page 14). The heater and its individual shut-off valve must be disconnected from the gas supply piping system during'any pressure testing of that system at test pressures in excess of 1 /2 psig (3.5 kPa). The heater must be isolated from the gas supply system by closing its individual manual shut-off valve during any pressure testing of the gas supply at test pressures equal to or less than 1/2 psig (3.5 kPa). CHECKING THE GAS PRESSURE THROUGH THE COMBINATION GAS CONTROL VALVE AWARNING Risk of fire and explosion. Improper installation, incorrect adjustment, alteration, service, or maintenance of the Combination Gas Control Valve can lead to fire or explosion, causing loss of life, personal injury, and/or property damage. If it is necessary to adjust the gas valve, this must be done by only by a qualified service agency. These instructions are for the use of qualified service technicians only! This appliance is equipped with an unconventional gas control valve that is factory set with a manifold pressure of —.2" (4.5cm) we. Installation or service must be performed by a qualified installer, service agency, or the gas supplier. If this control valve is replaced, it must be replaced with an identical control. To Air Flow Connection To Air Flow forService Switch — To Gas Connection Valve Vent for Test Figure 7. To High Side of Differential Pressure Gauge Pressure Tap 13 Inlet 19t— Vent To Low Side of -� The combination gas Differential Pressure Gauge - valve incorporates dual shut-off valves and a negative -pressure regulator. For proper operation, the regulated pressure at the outlet manifold of the valve must be —0.2" (-0.5cm) we below the reference pressure at the blower mixer inlet, and the gas valve `VENT' tap must be connected to the end cap air orifice as shown in Figure 7. Do not attempt to adjust the gas input by adjusting the regulator setting. The correct gas regulator setting is required to maintain proper combustion and must NOT be altered. Pressure Tap Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide 16 Section: " installation Instructions ACAUTION The use of Flexible Connectors (FLEX) is NOT recommended unless they are properly sized according to the supplier recommendations for the heater rating. GAS PRESSURE REQUIREMENTS Gas Pressure Model Natural Propane Inches W.C. Maximum Inlet MT 14 14 Minimum Inlet MT 4 4 Manifold MT -0.2 ± 0.1 -0.2 ± 0.1 NOTE: All readings must be taken while heater is operating. Any adjustments or readings made while heater is off will result in performance problems. OUTDOOR INSTALLATION (U.S. and Canada) For heaters located outdoors, using the built-in stackless venting system. AWARNING Table 3. Risk of explosion if a unit burning propane gas is installed in a pit or other low spot. Propane is heavier than air. Do not install the heater using propane in pits or other locations where gas might collect. Consult your local building code officials to determine installation requirements and specific installation restrictions of the heater relative to propane storage tanks and filling equipment. Installation must meet the requirements for the Standard for the Storage and Handling of Liquid Petroleum Gases, ANSI/NFPA 58 (latest edition) in the U.S., or CAN/CSA 13149.2 (latest edition) in Canada. Consult local codes and fire protection authorities about specific installation restrictions. Locate the heater on a level surface in an open area that is protected from drainage or run-off. Install the heater in an area where leaves or other debris will not collect on or around the heater. To avoid damage to the electronic components in the heater, take care to prevent prolonged exposure to driving sources of water (such as lawn sprinklers, heavy roof runoff, hoses, etc.). Avoid operation in persistent, extreme, moist or salty environments. In extreme weather, shutdown the heater and disconnect the power to it until the weather has moderated. In areas subject to hurricanes or very high winds, purchase the Bolt Down Bracket Kit, P/N 460738. HEATER CLEARANCES — OUTDOOR IIJ,1;101A(II ►11ii • In an outdoor installation it is important to ensure water is diverted from overhanging eves with a proper gutter/drainage system.The heater must be set on a level foundation for proper drainage. • This unit shall not be operated outdoors at temperatures below -200 F. If the heater is located under a roof overhang, there must be at least three (3) feet (Im) of For Heater mounting clearance between the bottom of the overhang and the top of the heater exhaust vent, see Figure bolts and clamps, 8. If the heater is under a roof overhang, the space around the heater must be open on three BolthDoweseparately 6 acketlKit, sides. DO NOT, under any circumstances, install the heater under ANY deck. Part No. 460738. LeadJ. - 19 Anchor MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 3. Installation Instructions i - 17 For minimum exhaust vent clearances for all building openings, including but not limited to vented eaves, doors, windows, gravity air inlet, see Figure 9, show below. In Canada, the heater must be installed with the top of the vent at least 10 feet (3m) below, or to either side of, any opening into a building. Orient the heater for convenient access to the water connections and the gas and electrical connections. Note: Check local building codes for installing the heater from any property line set back requirements (see the installation diagram below). ©CAUTION If installing the heater next to or near an air conditioning unit or a heat pump, allow a minimum of 36 in. (91.4 cm) between the air conditioning unit and the heater. Figure 8. 61n OUTDOOR INSTALLATION VENTING GUIDELINES SIDE VIEW—) From building wall ExhaustG60 (vent) Building O Figure 9. rA' From window or door Property Line a or0c5 �eac� r, Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide 28 Section. _ installation Instructions CONTROL PANEL INDEXING On an outdoor shelter installation, the exhaust discharges into a vent pipe. Orient the heater so that the vent pipe does not interfere with adjustment of the operating controls. The control panel located on the top panel can be rotated to any of the three sides of the heater for easy access, see Figure 19. 1. Remove the bolts from the door panels. Remove both door access panels. 2. Remove the four corner wing nuts that secure the top panel. Lift the top panel upward to remove the top panel. 3. Rotate the top panel to the desired position located at 90' angles. Note that the control panel must NOT be located on the side where the vent is located. 4. Replace the top panel down onto the side panels. Be sure that there are no wires caught under the panel. 5. Secure the top panel using the four corner wing nuts. 6. Reattach the door access panels. FINAL INSTALLATION CHECK Top Panel Access Figure 19. Door Access Panel Check that horizontal vent pipe runs slope uniformly at least 1/4" per foot (2cm per meter) to condensate drain(s). No sags, no dips, no high or low spots. Check that vent is supported at elbows, tees, and horizontal and vertical runs according to manufacturer's instructions and code requirements. Check that vent supports and wall and ceiling penetrations allow free movements up, down, and sideways without putting any strains on the heater or vent body. Check for at least six inch (15cm) free air clearance between the heater vent pipe and combustible materials. Check that all joints are completely together and sealed. In Florida, building codes require that the heater be anchored to the equipment pad or platform to withstand high wind pressures created during hurricanes. A Bolt Down Bracket Kit, P/N 460738, is available with anchor clamps designed to hold the unit to the equipment pad in high wind conditions. Installation of the anchor clamps are recommended in all installations and are required in Florida, (See Florida Building Code 301.13). For Heater mounting bolts and clamps, purchase separately Bolt Down Bracket Kit, Part No. 460738. rA" or MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 3. Installation Instructions 29 ELECTRICAL CONNECTIONS Electrical Rating: 60 Hz 120 / 240 Volts AC, single phase Enclose the incoming AC power line to the heater, in an approved flexible conduit connected directly to the junction box on the inside of the access door panel. Line voltage field wiring should be 14 gauge, with a circuit capacity of 15 Amps. ©CAUTION This heater is designed to operate at 120 or 240 VAC. It is not recommended to be connected to OR operate on a 208 VAC. NOTE • Before making any electrical connections to the power supply, remove the access door panels, open the control box and plug in the correct plug (120, VAC or 240 VAC). See plugs below. CAUTIO The heater ships from the Factory with the 240 VAC plug installed. Installing the 120V plug and then connecting the he iter to 240V line current will immediately destroy the transformer, control board and ignition control module, and will void warranty. If you install the 240V plug and connect the heater to 120 VAC line current, the heater will not operate. • If any of the original wiring supplied with this heater must be replaced, installer must supply (No. 18 AWG, 600V, i05° C. U.L. approved AWM low energy stranded) copper wire or it's equivalent. Please read the boxes headed "IMPORTANT! READ ME FIRST!" on pages 38 and 42 before proceeding. 1. All wiring must be in accordance with all applicable codes. 2. The heater, when installed, must be electrically grounded and bonded in accordance with local codes or, in'the absence of local codes, with the National Electrical Code or the Canadian Electrical Code (as applicable). A bonding lug is provided on the outside of the panel under the vent for this purpose. 3. Electrical power circuits to the pool heater must follow local codes and National Electrical Code or Canadian Electrical Code (as applicable). 4. All wiring between the heater and devices not attached to it, or between separate devices which are installed in the field, must be "Type T" wire rated for 35°C rise. 5. All line voltage wiring shall be enclosed in approved flexible conduit, and shall be securely attached to the field wiring box located inside the access door panel. The conduit or cable connector at the field wiring box should contain an insulating bushing,or its equivalent to prevent abrasion of the wires as they enter the box. 0 The filter pump should run continuously when the heater is on, and for at least 5 minutes after the heater turns off. Any switches in the pump circuit (including circuit breakers) that can disconnect the pump must also disconnect the heater. 7. Do not wire single -pole switches, including protective devices, into a grounded line. The heater is not sensitive to polarity. Connect the Ll of the power supply to the black wire, the L2 or neutral lead to the red wire, and the ground wire to the green wire. A time clock controlling the filter pump should have a low -voltage Fireman's Switch that switches off the heater at least 15 minutes before shutting off the pump. Always use crimp type connectors when connecting two wires. AC Plug Volt AC VOLTAGE SELECT PLUGS: 120 or (120 VAC or 240 VAC) 240 volt Figure 20. Rev M , 1-8-15 MASTERTEMP® Pool 'and Spa Heater Installation and User's Guide 30 ' Section s. installation Instructions CONNECTION OF FIREMAN'S SWITCH OR REMOTE CONTACT ACAUTION If, while there is line voltage connected to the heater, you touch either line voltage terminal with any 24VAC wire that is:connected to the control board (including the Fireman's Switch jumper), you will immediately destroy the control board and. -void the warranty. REMOTE CONTROL CONNECTIONS 1. Switch off power to heater at main circuit breaker panel. 2. - Unbolt and remove the access door panels. 3. Open control box cover (see Figure 21). 4a. To connect a 2-lyre Control (such as Pentair's IntelliTouch® or EasyTouchO Control Systems) or a timer: - Remove.the factory installed jumper from the Fireman's Switch terminals. - Connect wires between the Fireman's Switch terminals on the heater and the relay. Connect wires from the controller or timer to the Fireman's Switch. Controller, timer or relay should be sized to handle 24VAC at 0.5 Amp (because it will be completing the 24VAC control board circuit on the heater as shown in Figure 22). DO NOT apply fine voltage to the Fireman's Switch. terminals. Use 18 gauge wire with a minimum 3/64 (1.2mm) thick insulation rated for a temperature rise of at least 105°C. - Knock -outs are provided to route the wires through BK 0. the bottom of the control box and past the junction TRANS box. Y 4b. To connect a 3-lire Control: - Conned wires between the control board terminals on the heater and the external relays, as shown in Figure 23. Use at least 2 relays per heater, to allow for an "OFF setting" on each heater mode. Select relays that can handle logic level switching. DO NOT apply line voltage to control board terminals. - Move jumper (as shown on Figure 23) to enable external control and to disable the heater membrane pad's "Pool ON" and "Spa ON" buttons (the "OFF" key on the membrane pad remains functional). - Knock -outs are provided to route the wires through the bottom and the top of the control box and past the junction box. 5. Close control box cover. 6. Re -install the access door panels. To control heaters that are operated in parallel, connect wiring at same locations on heater as 2-Wire or 3-Wire Control. It is imperative that each control circuit is isolated from the other control circuits, to avoid that current will flow from one heater to another through the control circuits. NOTICE: The'fuse for the Fireman's Switch is a 1.25 Amp 11/4 x'/4" fast blow fuse, which is commonly available. Figure 22. Figure 21. *1 \ I I 1 t 24VAC x 00U U to > > u. O 1 -� N N N J6 r OPERATING CONTROL MEMBRANE PAD 0 CONNECTION 0 y ENABLE TOGGLE 7 DISABLE TOGGLE co TERMINAL BOARD F1 I���JJJI I• i i GND IT jI" °o I4, z ITT I z I I 0 0 0 0 o I It 49 Z 000o aCL 0 24VAC L Time Clock or Remote (Purchase Separately — Supplies Power to Circulator Pump) t Fireman's Switch Comltes the ♦1 24 Volt ACControl heater 1 Board Circuit. 9 DO NOT connect this Circuit to Line Voltage! MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 3. Installation Instructions 31 MASTERTEMP HEATERWIRING DIAGRAM (3-WIRE SYSTEM) CONNECTION DIAGRAM AGS Switch Air Flow Switch Stack Flue Sensor Extra Switch 1 YIA Gas Valve Hi -Limit Switch YISL Pressure Switch Y YANM pr' Y I I ... 1LBL I I 1 III Y PS >�z�$ NA/LP HLS ry H g Models Only ESt a JB x AFS*j OPERATING CONTROL AG* MEMBRANE PAD CONNECTION SFS GAB � ♦'�i� (0 1DI u External Control Interface Circuit Disabled, Heater Membrane Pad Enabled 7 Spa Line Common Line J` . Paol Llne I\YA1 External Control Interface JMP External Control Interface Circuit Enabled, "Pool On" and "Spa On" Keys Disabled. "OFF' Key on Membrane Pad Remains Functional. Plug — pin WIN 120V —BEl lack 240V — Red Id 1 /. 12 Position` Receptacle JUNCTION BOX Line 1 1 � '%J — BK Une2�R— Ground —L> }t—G GND 1 Rev. M 1-8-15 1 - N Ft I F2 ,AC DIAGNOSTICINDICATOR IGNITION CONTROL MODULE SI S1l Ll L2 S2 H ND A NO 240 120 ..... p GY GY BK GY YAN Y10 Yl8L VIR 120VAC V W IGNITER 1 GND BK w BK t I t Y BK=W w—BK—R Y BLOWER i �_ a E G BI. BL I 3 N _ NOTICE: Touching any 24VAC wire, including o t G the Fireman's Switch wire, to any 120/240V 1 ca3 terminal while the heater is connected to line GND Q 2 N power will immediately destroy the control board and void the warranty. Figure 23. MASTERTEMP® Pool and Spa Heater Installation and User's'Guide 32 Section 3. installation Instructions MASTERTEMP HEATER ELECTRICAL SCHEMATIC LADDER DIAGRAM LADDER DIAGRAM Lt VAC IGNITER L1 S1 S2 L2 F1 F2 BLOWER GND 240 VAC CLASS II TRANSFORMER 24 VAC OPERATING CONTROL 24 VAC 24 VAC jGND .......0 AIR r■ 24V 1111114 LOGIC FLOW • • • •TH SWITCH • • I WATEbW11alIOND • • PRESSU i SWITC �E-IF-E-•-+0. COM NO AGS INLET TEMPERATURE SWITCH CONTROL SWITCH GAS VALVE DTHERMISTOR DFLUE NOTES: 1.) ETI F1 F2 Si 24 VAC S2 GND IND VAL AND TH ARE CONNECTED ON THE IGNITION MODULE. 2.) ♦ PIN AND SOCKET CONNECTOR. 3.) IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED, THEY MUST BE REPLACED WITH TYPE 105' C OR ITS EQUIVALENT. Figure 24. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 4. Operation Instructions 33 BASIC SYSTEM OPERATION Start pump, make sure the pump is running and is primed, to close the water pressure switch and supply power to heater. Be sure the pool and/or spa is properly filled with water. Follow the Lighting/Operating instructions below. MASTERTEMP HEATER HSI ELECTRONIC IGNITION LIGHTING/OPERATION FOR YOUR SAFETY: READ BEFORE LIGHTING ©WARNING ,you do not follow these instructions exactly, afire or explosion may result causing property damage, personal injury or loss of life. Do not attempt to light the heater if you suspect a gas leak. Lighting the heater can result in a fire or explosion which can cause personal injury, death, and properly damage. START-UP AND OPERATION START-UP AND SHUTDOWN INSTRUCTIONS ARE ON THE LABEL ATTACHED TO THE COVER OF THE APPLIANCE CONTROL BOX. BEFORE START-UP A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burners. Do not try to light the burners by hand. B. BEFORE OPERATING, smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT TO DO IF YOU SMELL GAS j — Do not try to light any appliance. — Do not touch any electrical switch; do not use any phone in your building. — Irmediately call. your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. — If you cannot reach your gas supplier, call the Fire Department. C. Use only your hand to turn the gas control on or off.. Never use tools. If you cannot change the ON/OFF setting by hand, don't try to repair it, call a qualified service technician. Forced or attempted repair may result in a fire or explosion. D. Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the heater and to replace any part of the control system and any gas control which has been under water. E. Do not operate the pool heater unless the pool or spa is properly filled with water. F. Before operating the appliance for the first time or after it has been off for an extended time, perform the following checklist: 1. Remove debris or other articles from inside the heater and the area around the heater and its exhaust vent. Make sure the ventilation openings are clear of debris or obstruction. For installations in an enclosed space, make sure openings for combustion and ventilation air are unobstructed. 2. Keep heater area clear and free from combustibles, flammable liquids and chemicals. 3. Check that all water connections are tight. 4. Water must be flowing through the ' heater during operation. Make sure that pool/spa is tilled with water and have pump operating. Check that water,flow is unobstructed from the appliance. When operating for the first time or after an extended shut -down, run filter pump for several minutes to clear all air from the system. Rev. M 1-5-15 MASTERTEMP® Pool and Spa Heater Installation and User's. Guide . 34 Section 4. Operation Instructions OPERATING INSTRUCTIONS 1. STOP! Read the safety information on (page 33). 2. Set both pool and spa thermostats to the lowest settings. 3. Turn off -all, -electric power to the appliance. 4. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. 5. Remove the access door panels by unfastening the four screws located on each door, then lift up and out from the bottom of the panel to remove. If necessary, the screws may be used as handles, see Figure 25. 6. Toggle -Style Valve: Pull toggle toward you to turn gas off, see Figure 26. 7. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow `B" in the "Before Start-up" instructions (page 33). If you don't smell gas, go to the next step. 8. Push the toggle switch away from you to switch the gas on. 9. - Replace the DoorAccess Panels. All panels must be in place when operating the heater. 10. Set 3-way valves on inlet and outlet to pool or spa, as appropriate. 11. Turn on all electric power to the appliance. 1.2. Press either the POOL ON or SPA ON button switch on the operating control. 13. Set the thermostat to desired setting (NOTICE: Setpoint must be above actual water temperature or burner will not fire). See "OPERATING the CONTROL PANEL". 14. The blower should come on immediately, and after about 20 seconds, the burner should fire. When operating for the first time, the burner may not fire on the first try because of air in the gas line. If it does not fire at first, push the OFF switch, wait five minutes, and again push the POOL or SPA ON switch. The burner should fire after about 20 seconds. You may have to repeat this until all of the air has cleared the gas line. You are here. Water Pressure 1 Figure 25. Gas control is shown OFF. Push toggle switch away from you Figure 26. 1.5. The burner should fire until the pool/spa temperature reaches the desired temperature set on the thermostat. The blower will continue to run for about 45 seconds after the burner shuts off. If any of the safety interlocks should open during burner operation, the burner shuts off immediately, but the blower continues to run for about 45 seconds. Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance. 16. If the appliance will not operate, follow the instructions below "TO TURN OFF GAS TO THE APPLIANCE", and _ call your service technician or gas supplier. TO TURNOFF GAS.TO APPLIANCE 1. Press the OFF button on operating control. 2. Switch off all electric power to the unit. 3. Remove the access door panels, see Figure 25. 4. Toggle -Style Valve: Pull toggle toward you to turn gas off, see Figure 26. 5. Replace the Access Door Panels. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 4. Operation Instructions 35 SAFETY CONTROLS AIR FLOW SWITCH (AFS) Figure 21, The air flow switch, (see Figure 27), is a safety device used to insure that the combustion air blower (fan) is operating and has been designed to monitor the vacuum (negative) pressure within the blower housing. The air flow switch is factory set and is connected upstream ofthe ignition module. The ignition module does not operate unless the air pressure switch and all safety switches are closed. WATER PRESSURE SWITCH ©WARNING Hazardous pressure. Do not bypass the Water Pressure Switch or render it inoperable. The water pressure switch, (see Figure 28). If the water flow is restricted, the water pressure switch may prevent the burner from firing and cause the "Service System" light to go on. Ifthe light remains on after the filter has been serviced, have a qualified service technician check the system. For deck -level heater installations, the Water Pressure Switch is factory set at 3.00 psi (20.6 kPa). NOTE. See, Below Pool Level Installation Instructions on page 13. If the pressure switch is one feet (.3M) below or above the pool water level, reset the switch so that it is open when the pump is off and closed when the pump is running. Turn the star -wheel on the switch clockwise (i",***) to raise setting (heater below the pool) and counterclockwise ((i) to lower the sc-tting (heater above the pool — see Figure 29. Test the switch after resetting. NOTICE. When the heater is mounted more than five feet (1.5M) above or four feet (1.2M) below the deck level, a Pressure Switch is no longer adequate. A Flow Switch must be installed instead. NOTICE. Heater operation with incorrect Pressure Switch setting may cause operation with no water flow. Operation of the heater without sufficient water flow may severely damage it. HIGH LIMITS A "High Limit", is a safety device that opens the electrical circuit and shuts off the heater rased on a water temperature set point within the "High Limit Device". The MasterTemp heater series of heaters contains two (2) high limit devices which are located on the main inlet / outlet header. Turn star wheel clockwise to raise pressure set point if pressure switch is more than 4 feet (12M) below water level i A reference scale is on the back of pressure switch Turn star wheel counterclockwise to lower pressure set point if pressure switch is more than 5 feet (1.51VI) above water level Air Flow Switch Figure 28. Star Wheel Rev. M 1-8-15 MASTERTEMP® Pool and Spa Heater Installation and User's_ Guide 36 Section 4. Operation Instructions SAFETY CONTROLS, (cont'd.) OPERATION OF IGNITION MODULE The Ignition Module, (see Figure 30), is microprocessor based and operates on 24VAC supplied by the transformer. The control utilizes a microprocessor to continually and safely monitor, analyze, and control the proper operation ofthe gas flame holder. The module with the presence of the flame sensor, using flame rectification, allows the heater to operate. OPERATINGTHE CONTROL PANEL The five operating switches are: POOL ON Press this button to govern heater operation by the pool temperature setting. SPA ON Press this button to govern heater operation by the spa temperature setting. HEATER OFF Press this button to switch off the heater. A TEMP Press this button to raise the temperature setting. V TEMP Press this button to lower the temperature setting. Flame Current Diagnostic LED Check Point\ 1 Flash - Air Flow Fault 2 Flashes- Flame No Call for Heat 3 Flashes- IgnitionLockout ure 30. Indicator Lights Controls Switch To toggle the display between degrees Centigrade (°C) and degrees Fahrenheit ff ): Figure 31. 1. Turn the Operating Control OFF. 2. Press ATEMP or V TEMP for 5 seconds. The display will flash once and change modes ff to °F or vice versa). 3. Turn the Operating Control ON. When either the ATEMP or V TEMP buttons are depressed, the digital display will indicate the temperature setting. After five seconds, the display will return to the actual pool/spa temperature. In addition to the digital temperature display, there are five indicator lights: The POOL ON light indicates that the pool water temperature is governing operation of the heater. The SPA ON tight indicates that the spa water temperature is governing operation of the heater. The HEATING light comes on and stays on when the burner is firing. This light should be on whenever the burner is on. It blinks when the heater is calling for heat but not firing. If this light is on but the burner fails to come on, one of the "service" lights should come on, indicating a fault in the system. The SERVICE SYSTEM light indicates that there is insufficient water flow to the heater. If the pump is operating, this usually indicates that the filter and/or skimmers should be cleaned (some filters may require back -washing). If the light remains on after the filter/skimmers have been serviced, the system should be checked by a qualified service technician. The SERVICE HEATER light indicates a fault in the heater or its controls. If this light comes on, shut down the heater (See "TO TURN OFF GAS TO THE APPLIANCE" on page 34), and have a qualified service technician check the system. AWARNING Risk of explosion or fire causing burns or death if safety interlocks are disabled. DO NOT attempt to operate heater when -SERVICE HEATER light is on or if blower or burner will not start. Instead, follow instructions under "To Switch Off Gas to the Appliance," and call a qualified service technician to repair unit. MASTERTEMP® Pool and Spa Heater Installation and User's Guide Rev. M 1-8-15 Section 4. Operation Instructions 37 TEMPERATURE SETTING The heater comes factory set at 78° F. for the pool mode and 100° F. for the spa mode. Using the up and down arrows, you can set the thermostats to a minimum temperature of 65° F., or a maximum of 104° .F. If you desire to heat only one body of water, the thermostat is capable of an off mode. As an example, if you only wish to heat the spa and not the pool, simply depress and hold the pool down arrow, and the thermostat will lower its setting to 65° F. then go to an off mode. MAXIMUM TEMPERATURE SET POINT 1. Unbolt and remove the door panels (see Figure 32). �. Access the control panel board on the underside ofthe top cover. Locate the yellow button on the corner of the control board. 3. Push the Max. Temp. Set Point button on the back of the control board (see Figure 33). The following sequence should happen: A. The unit will come on and the POOL ON light will come on. B. Press the ATEMP or V TEMP pad (on TOP of the panel) to set maximum pool temperature. C. Wait up to 30 seconds; the POOL ON light will go off and the SPA ON light will come on. To override the time delay, push the Max. Temp. Set Point button again. D. Press the ATEMP or V TEMP button on the control panel and set maximum spa temperature to 1040F (400C) or less. E. Wait up to 30 seconds; the SPA ON light will go off and the unit will shut down. To override the time delay, push the Max. Temp. Set Point button again. 4. Reinstall the access door panels. i i '!`llrIvl�� see aU�l 17� Figure 33. Rev. M 1-5-15 MASTERTEMP® Pool and Spa Heater Installation and User's Guide 1 1620 HAWKINS AVE., SANFORD, NC 27330 • (9191 10951 WEST LOS ANGELES AVE., MOORPARK, CA www.pentairpoot.com All Pentair trademarks and logos are owned by IntelliTouch®, EasyTouch®, are trademarks and/oi in the United States and/ or other countries. Unles are not used to indicate an affiliation or endorsem( Those names and brands may be the trademarks i our products and services, Pentair reserves the rig © 2015 Pentair Water Pool and Spa, Inc. All rights 1111111111111111111111 111 1111111111111 P/N 472592 REV. M 1/2015