KCM Series Manual 47
* Minimum ow may vary slightly depending on the temperature seng and the inlet water temperature.
Minimum acvaon ow is 0.4 GPM (1.5 L/min).
Our products are connually being updated; therefore, specicaons are subject to change without prior noce.
The maximum inlet gas pressure must not exceed the value specied by the manufacturer. The minimum value listed is for the
purpose of input adjustment.
RUCS65i RUCS75i RUS65e RUS75e
Minimum Gas Consumpon Btu/h 10,300
Maximum Gas Consumpon Btu/h 130,000 160,000 130,000 160,000
Hot water capacity (Min - Max) *
0.26 - 6.5 GPM
(1.0 - 25.7 L/min)
0.26 - 7.5 GPM
(1.0 - 28.7 L/min)
0.26 - 6.5 GPM
(1.0 - 25.7 L/min)
0.26 - 7.5 GPM
(1.0 - 28.7 L/min)
Temperature Seng (no controller) 120° F (49° C), 125° F (52° C), 135° F (57° C), 140° F (60° C)
Maximum Temp Seng 140° F (60° C)
Minimum Temperature Seng 120° F (49° C)
Weight 57.3 lb (26 kg)
Noise level 47 dB 55 dB
Electrical Data
Normal 89 W 61 W
Standby 1.3 W
An-frost Protecon 167 W 140W
Max Current 2.3 A
Fuse 10 A
Gas Supply Pressure
Natural Gas 4.0 - 10.5 inch W.C.
Propane 8.0 - 13.5 inch W.C.
By-Pass Control Fixed
Type of Appliance Condensing, Tankless, Temperature controlled connuous ow gas hot water system
Connecons Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT
Ignion System Direct Electronic Ignion
Electric Connecons
Appliance: AC 120 Volts, 60Hz.
Temperature Controller: DC 12 Volts (Digital)
Water Temperature Control Simulaon Feed forward and Feedback
Water Supply Pressure Minimum Water Pressure: 50 PSI (Recommended 60-80 PSI for maximum performance)
Maximum Water Supply Pressure 150 PSI
Remote Control Cable Non-Polarized Two Core Cable (Minimum 22 AWG)
Energy Star Qualied Yes
Cered for installaon in manufactured
(mobile) homes
Yes
Complies with South Coast Air Quality
Management District 14 ng/J or 20 ppm NOx
emission levels
Yes
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