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HomeMy WebLinkAboutGENERAL DESCRIPTIONSG8• i GENERAL DESCRIPTION SCANNED BY St. Lucie Count; Halton's MM1 Series hood is designed to efficiently capture and remove the grease, smoke, and other effluents generated when cooking with pizza ovens. The hood is designed to mount close to the top of the pizza oven which provides an operational advantage of capturing the grease, smoke and other effluents directly above the pizza oven outlets. By localizing the capture area the hood can efficiently capture and effectively eliminate convective heat spillage to the store. The MM1 has a control panel that is designed to set the exhaust airflow based on the number of oven decks in operation to maximize energy savings potential. Exhaust airflow is monitored at all times via a T.A.B. (Test And Balance) Port installed in the hood plenum. A wiring harness connects between the pizza oven's blower motor control boxes and exhaust hood's control panel to report when the oven is on and how many oven decks are operating. Additionally, makeup air operation (on/ off) is dictated by the control panel to maintain kitchen space air balance. An oven wiring harnesses and current switches to monitor the pizza ovens are included and are shipped inside the control panel for field installation. The control panel contains a terminal strip for field connection to the exhaust fan, the fire suppression system (if required) and the make up air fan (if used). All wiring must conform to local electrical and building codes. Field wiring instructions begin on page 19. The exhaust hood's control panel is recessed into the rear fascia panel of the hood, with status lights on the control panel face for troubleshooting purposes. The indicator lights show status for each oven deck,. --status of the exhaust fan and the makeup air unit. A manual override switch to drive the hood to full design airflow is incorporated as well. This switch should only be used if a problem occurs with the hoods. control panel sensing the pizza oven's individual decks on/off status. Field wiring of the control panel interface with the pizza oven decks, using the oven wiring harness, should be performed before the oven/hood is placed in its final position, especially if the oven is to be positioned near a wall. Access to the pizza oven's blower motor control box for each deck is required to complete the oven wiring harness installation process. Make up air, if used, should operate any time the exhaust fan for the pizza hood is on to assure the proper air balance in the kitchen. The only exception to this is during a fire event in the pizza oven. In this case the exhaust fan will remain on and the make up air will shut off. Part of the Control Panel wiring is a provision to detect a dry contact (micro switch) closure in the fire suppression system when the fire suppression system activates. Two wires from the terminal strip contacts numbered 9A and 10 must be connected between the fire suppression system and the control panel for correct exhaust fan operation in the event of a fire event. Local fire codes typically require the exhaust fan to turn on during a fire event. See detailed field wiring instructions starting on page 19. Oven power (natural gas and electric) must be tied into the fire suppression dry contacts (micro switches) to ensure shutdown of cooking equipment in case of a fire. For electrical control, this is typically achieved by tying the oven power inlet to a shunt trip breaker connected to the fire suppression dry contacts. For natural gas supply, an electronically actuated solenoid valve is tied to the fire suppression dry contacts. The control panel is only to be used with an EC (electronically commutated) equipped exhaust fan. Optional low voltage transformer must be factory installed when selecting the exhaust fan. For Installation and Control Wiring questions: call EVS at 586-779-0996. b pg��r a MM1 Series Hood Installation, Operation & Maintenance Manual 2 Hatton SYSTEM CAPABILITIES The hood system is ETL listed in both the United States and Canada for use with the Middleby- Marshall PS360G, 536, 540, 555, 570, 636, 640 and 670 model ovens, both gas and electric. The hood can be used with single, double or triple -stack configurations at the design exhaust airflows shown on the submittal drawings in Appendix 1. Optional side skirts (Model MMSS) can also be utilized with all oven configurations (single, double and triple stack) to reduce the required exhaust airflow. An optional eyebrow over the front loading window is available when desired or required by local codes. SYSTEM OVERVIEW MM1 Series Hood Installation, Operation & Maintenance Manual 3 Halton PARTS IDENTIFICATION MM1 Series Hood Installation, Operation & Maintenance Manual 4 Hakan 9 IV ® Aw a r 411 LM- r� 4= 0. ru • b CONTR, PANEL :w; „rA EN HARNESS C{QNNECTION CURRENTSWITCH MODEL MM7 INSTALLATION INSTRUCTIONS SUGGESTED SEQUENCE OF ASSEMBLE 1. Uncrate hood and side skirts (if side skirts were ordered). Inspect the crating carefully. If there are signs of damage, call the freight carrier before uncrating the units. Uncrate the units carefully. ** Important note ** Do not leave units out in the weather for an extended time period. The protective PVC covering around the hood will become very difficult to remove if left exposed to the weather conditions for a long period of time. The hood will be hung from the ceiling support structure using 1/2" all thread rods and 1/2 -13 nuts. Use the hanging brackets that are attached to the back of each hood pod section, 4 places, to anchor the all thread rods at the hood. For structural calculations assume the hood assembly weighs 500 lbs. The fascia panels between the pods are removable to facilitate assembly. Removing the front panel will allow easier access to the top of the hood and the ductwork assembly. Additional parts are shipped inside the control panel. Remove the shipping cover that protects the control panel face by removing the four screws that hold it in place. Save the four screws but the shipping cover may be discarded. Remove the four additional screws that hold the control panel face and inside you will find the oven wiring harness with an 8 pin connector on one end and three 2 pin connectors on the other end, three current switches in boxes and a wiring diagram in a packing list envelope. Do not lose these parts found inside the control panel; they are very important to the operation of the MM1 hood. The control panel will be replaced using all 8 screws after all field wiring is completed. MM1 Series Hood Installation, Operation & Maintenance Manual 6 i a Halton MM1 FIELD COMMISSIONING INSTRUCTIONS Operation Notes 1. The Hood Control Panel is configured in such a manner that exhaust fan and makeup air unit will be on when any combination of ovens are powered. 2. In the event of a fire, the make up air fan start/stop signal will switch to off and exhaust fan will go to full speed. 3. When the manual override is activated, the exhaust fan will operate at full speed. Commissioning 1. Ensure that the oven wiring harness is installed, all field connections are made and power is applied to the control panel, exhaust fan and oven. 2. Locate the status indicator lights on the control panel face, see photo below. Control Panel Face 3. Turn on the top oven deck and verify that the Exhaust Fan, the Make Up Air and theTop Deck (Oven 1 Status) lights are illuminated. See the status designations in photo below. MM1 Series Hood Installation, Operation & Maintenance Manual 24 Halton 9 Status Designation on Control Panel 4. Verify that the exhaust fan and the makeup air fan functions as they are intended to. 5. Repeat the process for the other oven decks. 6. When fire protection is required, consult with the Authority Having Jurisdiction on the required performance test. 7. M If side skirts were ordered as an option but will not be used a jumper wire in the control panel circuitry must be removed. Remove the front cover of the control panel. Remove the BLUE wire jumper between terminals 1 and 2. This will initiate an override setting that will change the default exhaust fan airflows to a higher airflow setting for each of the three oven deck airflows. The higher airflows are necessary if the side skirts are not used. If ovens are a WOW series oven (Oven Models 770, 670, 640, 360G - ovens will say WOW! on the front as well as have sensors near the belts and a touch screen on the front) the RED jumper from terminals 3 to 4 should be removed. (page 31). a MM1 Series Hood Installation, Operation & Maintenance Manual 25 Halton a 1. After installation is complete, it will be necessary to check and balance the airflows for the building. a. Note: Adjustments to the exhaust fan should not be made without consulting EVS. The control system varies the exhaust flow based on the number of decks in operation as determined by inputs from the oven wiring harness andTA.B. Port. 2. To ensure proper hood performance, locate all makeup and supply air diffusers a minimum of 2 feet away from the exhaust hood perimeter. 3. To ensure that proper air balance is maintained, the makeup air unit shall be interlocked with the exhaust fan operation. a. Note: When a fire suppression system is installed, the makeup air unit is configured to be OFF in the event of a fire while the exhaust fan is to run at full design airflow. 4. After the system has been placed into service and the balancing of airflows has been accomplished, a final inspection should be made. Check for unusual noises, excess exhaust or supply rates and general operation of the system. 1. Clean the hood pods inside and out as needed with mild soap and water. Never use harsh or abrasive cleaners on Stainless Steel or Painted surfaces. 2. Clean the hoods' grease filters and grease cups daily, first washing by hand, and then placing them into a dishwasher for cleaning or by steam cleaning them. Please Note: Handle the Grease filters carefully Standard Equipment • 4 Aluminum Filters • Exhaust Hood is Listed per UL710 • Exposed Surfaces are 430 Stainless Steel Optional Equipment • Side Skirts (Painted is Optional) • Front Eyebrow Section • Cool Front Modified End Panels MM1 Series Hood Installation, Operation & Maintenance Manual 26