D: Functional tests
1. Verify the power switch is in the “OFF” position
2. Turn on the water supply to the unit.
3. Open and then close the hot AND cold water faucets in the vehicle to fill the
pipes with water. (Purge air out of all water lines including washers, toilet and outside
faucets, if applicable). Close the faucets when the water is flowing smoothly and
verify that there are no leaks at the connections and within the water heater.
4. Turn on the gas supply and check all gas connections for gas leaks with leak
detection solution.
5. Turn the power switch to the
“ON”
position and set the Gas Modulation Control for
maximum heat by turning the control knob fully clockwise.
6. Open a hot water faucet and verify that the unit lights and supplies warm water at the
faucet.
7.
WHILE THE UNIT IS RUNNING,
verify that there are no leaks at the gas connections to the
control valve and to the burner.
E: Door Installation
After mounting and securing the unit in the chosen location, install the door making sure that:
1. The door mounting posts on the door flange are properly aligned with corresponding
holes along the door’s lower edge. If needed, carefully re-align the posts with pliers.
2. The exhaust tube extends beyond the door’s face through the clearance hole
BUT not beyond the face of the door. Be sure that the exhaust tube is seated
properly. See Figure 6
3. Ensure that the door lock operates smoothly and engages easily.
9
P a g e
WARNING – FIRE AND/OR EXPLOSION
WARNING: These instructions must be followed exactly, or a fire or explosion may result
causing property damage, personal injury or death.
DO NOT use matches, candles or other sources of ignition when checking for gas leaks.
WARNING! PRODUCT DAMAGE
• DO NOT FORCE THE DOOR CLOSED with the tube pressed inside the door.
Doing so may damage the door or the exhaust tube and mis-align the sail switch.
WARNING!
It is necessary to use only an applicable Girard Water Heater Door (part numbers:
1GWHD, 1GWHDA6, 1GWHDAS10) with a Girard GSWH-1M Water Heater. Use of any
other brand of water heater door will affect the operation and performance of the Girard
Water Heater and may cause a hazardous condition.