HomeMy WebLinkAboutCUi-SP-N%20Series%20Condensing%20Commercial%20Indoor%20Spec%20SheetSUPER-HIGH-EFFICIENCY (CONDENSING)
TANKLESS WATER HEATER
Installation Type Internal (Indoor) Commercial Applications
Model Numbers CU199i (REU-N3237FFC-US)
CU160i (REU-N2530FFC-US)
Approved Gas Types Natural and Propane
UEF up to 0.93
Efficiency Ratings not certified
by AHRI
Thermal Efficiency: Up
to 97%
EF: 0.96 (CU199i)
0.95 (CU160i)
High Altitude Approved Up to 10,200 ft (3,109 m)
Water Flow Control Water Flow Sensor, Electronic Water
Control and Bypass Control
Controller Standard: Integrated Controller
Optional: MC-91-2US
Certifications
AHRI, ANSI Z21.10.3, CSA 4.3, and ENERGY
STAR®
Warranty
• Heat Exchanger: 8 years or 12,000 operation hours, whichever occurs
first • All Other Parts and Components: 5 Years • Reasonable Labor: 1 Year
Safety Devices
Flame Failure - Flame Rod, Boiling Protection, Combustion Fan RPM
Check, Over Current - Glass Fuse, Remaining Flame (OHS) and Automatic
Frost Protection
Included with Purchase
Tankless Water Heater, Wall Mounting Bracket, Pressure Relief Valve and
Adapter, Isolation Valve Kit, Vent Screens (x2), Vent Screen
Screws (x2), and Self-Tapping Screws (x2)
Additional Features
• Complies with South
Coast Air Quality
Management District
14 ng/J or 20 ppm
NOx Emission Levels
• Ultra Low NOx • Tankless Rack System™ Compatible
• 1/2 in. (13 mm) Gas Line Compatible
●
Room Air Screen, Condensate Neutralizer, ScaleCutter, Drain
Down Kit, Additional Controllers, Recess Box, Recirculation
Pump, DPS/MIS Switch, EZConnect™ Cables, Cascade Cables,
control·r™ Wi-Fi Module, Wireless Accessories, and many
more. Visit rinnai.us for a complete list of accessories.
• Compact Design to Save Space
• Wi-Fi Technology for Remote Monitoring and Management
• Sliding Mounting Bracket for Easy Installation
• Simple Gas Conversion
• Concentric or Schedule 40 PVC/CPVC
• Direct Vent (Concentric and Twin Pipe)
• Non-Direct Vent (Room Air)
• Common Vent (Direct Vent and Room Air)
Vent lengths up to 150 ft with eight Tankless Water Heater
units.
• Maximum Equivalent Vent Lengths:
Vent Sizes 2 in. X 4 in. 3 in. X 5 in.
Vent Lengths 65 ft (20 m) 150 ft (46 m)
Vent Sizes 2 in. (51 mm) 3 in. (76 mm)
Vent Lengths 65 ft (20 m) 150 ft (46 m)
Twin Pipe
Concentric
Commercial Tankless
Rack Systems
Demand Duo™
Commercial Hybrid System
C US
Flow curves apply only to incoming water temperatures of 70° F (21° C) or less.
For incoming water temperatures greater than 70° F (21° C), please contact Rinnai.
1 Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.
Minimum activation flow is 0.4 GPM (1.5 L/min). 2 The maximum gas supply pressure must not exceed the value specified by the manufacturer.
* 0 in. from vent components
** Clearance for servicing is 24 in. (610 mm) in front of water heater
*** Add 0.25 in. (6.35 mm) for recess box
in. (mm)
SPECIFICATION CU199i CU160i
Dimensions - w, h, d 18.5 in. x 26.4 in. x 11.4 in. (470 mm x 670 mm x 290 mm)
Minimum Gas
Consumption Btu/h 15,000
Maximum Gas
Consumption Btu/h 199,000 160,000
Flow Rate1
(Min - Max)
0.26 - 9.8 GPM
(1.0 - 37 L/min)
0.26 - 8.0 GPM
(1.0 - 30 L/min)
Max Flow Rate with
Parameter Adjustment
11 GPM
(42 L/min)
9 GPM
(34 L/min)
Weight 64 lb (29 kg) 62 lb (28 kg)
Sound Level 49 dB 48 dB
Normal 84 W 52 W
Standby 1.3 W
Freeze Protection 148 W
Max Current 4 Amps
Fuse 10 Amps
Temperature
• Minimum: 98° F (37° C) Default • Maximum: 140° F (60° C) Default
185° F (85° C) With Parameter Adjustment
By-Pass Flow Control Electronic
Gas Supply Pressure2 • Natural: 3.5 in. w.c. - 10.5 in. w.c. • Propane: 8.0 in. w.c. - 13.5 in. w.c.
Ignition System Direct Electronic Ignition
Electronic Connections • Appliance: AC 120 Volts, 60Hz. • Temperature Controller: DC 12 Volts (Digital)
Water Supply Pressure • Minimum: 50 PSI (Recommended 60-80 PSI for max performance) • Maximum: 150 PSI
Controller Cable Non-Polarized Two Core Cable (Minimum 22 AWG)
Service Connections
• Gas Supply: 3/4 in. (19 mm) NPT • Cold Water Inlet: 3/4 in. (19 mm) NPT • Hot Water Outlet: 3/4 in. (19 mm) NPT • Condensate Drain: 1/2 in. (13 mm) NPT
Clearances
Electrical • Top: 2 in. (51 mm)* • Bottom/Ground: 12 in. (305 mm) • Front: 0 in.**
• Back: 0 in. • Sides: 2 in. (51 mm)*** • Vent: 0 in.
0 25 50 75 100 125 150
NOTE: Maximum flow rates may vary based
on set temperature, Delta T and altitude.
Vent Connection:
2 in. (51 mm)
nominal PVC/
Polypropylene or
3 in./5 in.
Concentric.
COLD F 9.54 242
C 3.56 90
HOT H 14.27 362
B 6.16 156
GAS E 3.57 91
D 2.78 71
G 10.39 264 PRV A 7.60 193
Connection mm in.
SIDE
FRONT
BOTTOM