Section 8, Operating the WaterHeater
8-6
The WaterHeater™ by ITR
AC Heat LED (Green)
•
The AC Heat LED (green) turns ON when the AC immersion
element has been activated.
Compressor, Fuel Pump, Combustion Fan, Igniter LED
(Green)
•
The air Compressor, Fuel Pump, Combustion Fan and Igniter
LED’s (green) turn ON when the component is ON, and will
flash if the component is electrically open or shorted.
Flame Out LED (Red)
•
The Flame Out fault LED (red) turns ON when a flame fault
has been detected.
Voltage LED (Red)
•
The Voltage fault LED (red) turns ON when a voltage fault has
been detected.
Low Water LED (Red)
•
The Low Water level fault LED (red) turns ON when a low
water level in the WaterHeater™ has been detected.
8.7 Functions of the Space Heating Module
(Optional) Zone Control Board
The Space Heating Module (optional) Zone Control Board contains
six green LED’s for power, heat available, thermostat, cabin fan,
cabin fan pump, and WaterHeater pump.
Power LED (Green)
•
The Power LED turns ON when the power to the Space
Heating Module (optional) Zone Control Board is ON.
Heat Available LED (Green)
•
The Heat Available LED turns ON when there is enough hot
water heat for the cabin fan heaters to function without
blowing cold air.
