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12
Operating Instructions Safety Instructions
Consumer Support
Troubleshooting Tips
* Minimum and maximum water flow may vary slightly, depending on the temperature setting and the inlet water temperature.
The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the purpose of input adjustment.
Specifications.
Model GN75 GN94 and GP94
Minimum Gas Consumption Btu/h 15,000
Maximum Gas Consumption Btu/h 180,000 199,000 (NG)/190,000 (LP)
Hot water capacity (Min.–Max.)* 0.6–7.5 GPM (2.3–28.5 L/min) 0.6–9.4 GPM (2.3–35.5 L/min)
Hot water capacity (35°F rise) 7.5 GPM (28.5 L/min) 9.4 GPM (35.5 L/min)
Default Temperature Setting 120°F (49°C)
(no control)
Remote Control Default 104°F (40°C)
Temperature Setting
Maximum Temperature Setting 140°F (60°C)
Minimum Temperature Setting 98°F (37°C)
Weight Approximately 49 lbs (22 kg) Indoor Units, 46 lbs (21 kg) Outdoor Units
Noise Level 55dB (A)
Electrical
Normal 79 W
Consumption
Standby 2.8 W
Anti-Frost Protection 100 W
Minimum Gas
Natural Gas 5″ WC
Supply Pressure Propane 8″ WC
Maximum Gas
Natural Gas 10.5″ WC
Supply Pressure Propane 13.5″ WC
Approved Gas Type Natural Gas or Propane – Ensure unit matches gas type it is being installed on.
Connections Gas Supply: 3/4″ MNPT, Cold Water Inlet: 3/4″ MNPT, Hot Water Outlet: 3/4″ MNPT
Ignition System Direct Electronic Ignition
Electrical Connections AC 120 Volts, 60 Hz.
Water Supply Pressure Minimum Water Pressure: 20 PSI (Recommended 30–80 PSI for maximum performance;
full flow cannot be achieved with 20 psi inlet pressure)
Maximum Water Supply Pressure 150 PSI
Remote Control Non-Polarized Two-Core Cable (Minimum 22 AWG)
Remote Control: DC 12 Volts (Digital)
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