Operating the Temperature Control System
Figure 19: Status Codes
List of status codes are shown
at top of gas control valve/thermostat.
VAC
Water Temperature Adjustment
The water temperature can be adjusted from 55°F to 155°F.
Turn the Gas Control/Temperature Knob to the desired
setting/temperature.
Operating Modes and Settings
•
Standard Mode - The controller adjusts the water
heater to maintain the temperature set by the user.
Vacation Setting - The controller adjusts the water
•
temperature to approximately 55°F. This setting is
recommended when the water heater is not in use for
a long period of time. This effectively turns the water
heater down to a setting that prevents the water from
freezing.
Status Light Code
Normal Flashes:
•
0 Flashes
Indicates Control Off/Pilot Out.
•
1 Flashes
Indicates Normal Operation.
•
Continuous Light indicates the gas control
valve/thermostat is shutting down.
Diagnostic Flashes: If the water heater is not working look
for the following diagnostic flashes after lighting the pilot.
2 Flashes
Indicates Thermopile Voltage Low
4 Flashes
Indicates Overheat Failure
5 Flashes
Indicates Sensor Failure
7 Flashes
Indicates Electronic Control Failure
8 Flashes
See "Status Light Code Troubleshooting Chart."
21