American Water Heater Commercial Gas NonDampered Water Heater CG32 User Manual

Commercial Gas Water Heater Use and Care Guide • 21
INSTALLATION
INSTALLATION
NOTICE: Most water heater models 
contain energy saving heat traps in the 
inlet and outlet connec

 22 • Commercial Gas Water Heater Use and Care Guide
INSTALLATION
INSTALLATION
Step 11:
Make Gas Connec

Commercial Gas Water Heater Use and Care Guide • 23
OPERATION
OPERATION
 Ligh

 24 • Commercial Gas Water Heater Use and Care Guide
OPERATION
3Allow the water heater’s main 
burner to operate for fi ve 
minutes. Pass a newly ex

Commercial Gas Water Heater Use and Care Guide • 25
TROUBLESHOOTING
TROUBLESHOOTING
No Hot Water
Use the following as a guide to help 
determine why you have no hot water: 
Checking the Pilot Light
Check the spark igniter. Dim the room 
lights and look through the viewport 
while clicking the igniter bu

 26 • Commercial Gas Water Heater Use and Care Guide
TROUBLESHOOTING
TROUBLESHOOTING
water pressure is too high and/or you 
need a Thermal Expansion Tank. See 
Step 1 in the Installa

Commercial Gas Water Heater Use and Care Guide • 27MAINTENANCE
MAINTENANCE
Rou

 28 • Commercial Gas Water Heater Use and Care GuideMAINTENANCE
MAINTENANCE
10
Refi ll the tank by opening the 
cold water supply valve. Make 
sure a hot water faucet is 
open and the drain valve is closed. 
Allow a hot water faucet to run full for 
at least three minutes to make sure the 
tank has all the air removed and is 
completely full of water. Once you are 
certain the tank is completely full of 
water, close the hot water faucet.
11Relight the pilot using the 
instruc

Commercial Gas Water Heater Use and Care Guide • 29
OPERATION
Removing and Replacing the 
Gas Control Valve/Thermostat
IMPORTANT: The gas control valve/
thermostat is a standard valve with wire 
leads that connect to a thermal switch.
Removing the Gas Control Valve/
Thermostat:
1
Turn the gas control/tem-
perature knob to the “OFF”
posi

 30 • Commercial Gas Water Heater Use and Care Guide
NOTES
NOTES