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INITIAL START UP
1.
STOP!
Read the safety information from the previous page.
2.
Ensure unit is unplugged and all electric power to the appliance is off.
3.
Locate the manual gas valve to the heater. Open the manual gas valve for 15-30 seconds.
4.
Turn the manual valve clockwise to the full OFF position.
5.
Carefully check for any sign or smell of gas. If gas is detected, wait five (5) minutes for it to
clear. STOP and go no further until gas leak point is detected.
6.
If no gas is detected, open the manual gas valve for five (5) minutes and again check area
for any signs of gas. At any sign of gas, STOP and go no further. Follow the safety
precautions from the previous page.
7.
If no gas is detected, proceed.
8.
Open the water supply valve to the unit. Inspect for any leaks
9.
Visually inspect air intake inlet and exhaust piping to ensure they are not obstructed.
10.
Plug in the unit. “CL” is displayed indicated “cold”.
11.
Press the “ON” button to turn on the unit.
12.
Adjust the temperature set point per
“Temperature Control”
Section of this manual.
13.
This appliance is equipped with an ignition device that automatically lights the burner. Do
not try to light the burner by hand.
14.
Open a hot water tap to a flow above the minimum flow point (0.66 gpm/ 2.5 l/min).
15.
The burner control system will fire the igniter, the burner will light, and hot water will be
produced.
16.
If the heater will not operate, follow the shut down instructions. Wait 5 minutes and
attempt to repeat this start up procedure.
17.
If system does not operate, begin troubleshooting per “Trouble Shooting” section of this
manual. Contact American Hometec for assistance.
Summary of Contents for AHG-T42-LP
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