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OPERATING INSTRUCTIONS
Normal Operation
This section of the manual instructs an owner on routine operating procedures and assumes that
the water heater has already been installed, tested, and approved for operation. Initial start up
requirements is detailed in the
“Installation”
section of this manual.
Routine Start Up
Follow this procedure for a heater that has been out of service.
1.
Ensure all drain plugs are installed in unit.
2.
Ensure all hot water use points (faucets, etc) are closed.
3.
Open the water inlet valve.
4.
Open a hot water faucet to confirm water flow and then close the faucet.
5.
Open the fuel gas valve.
6.
Plug in the unit.
7.
Press the “ON/OFF” key to turn on the
unit. The message “CL” will be displayed
indicating “Cold” state.
8.
Set temperature (see “Temperature
Control” section of this manual)
Control Panel
The Control Panel and display are used to adjust the operational settings of the unit as well as give
information about the current state of operation. The following illustration shows all possible
symbols and signs that may appear in various states of operation. In operation only the symbol or
sign corresponding to the actual state will appear on the control panel display. The water heater is
in an operating state when the hot water temperature is shown.
Figure 1 - Start Up
Summary of Contents for AHG-T42-LP
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