10
SYSTEM CONTROLLER - HEAT PUMP
STATUS LEDs
O/B Y1 Y2 G W2 PWR DPR MODE FUNCTION
OFF OFF OFF OFF OFF OFF OFF Off Power off
OFF OFF OFF OFF OFF ON OFF On
Power on, blower off, zones satisfied
ON/OFF OFF OFF ON OFF ON 0 Vent Blower on, compressor(s) off, all zone dampers open
ON/OFF OFF OFF OFF OFF ON 1 Purge Blower off, compressor(s) off, Dampers with LEDs on are closed
A ON OFF ON OFF ON 1 Y1 Cool 1st stage cool, blower on. Dampers with LEDs on are closed
A ON ON ON OFF ON 1 Y2 Cool 2st stage cool, blower on. Dampers with LEDs on are closed
B ON OFF ON OFF ON 1 Y1 Cool 1st stage cool, blower on. Dampers with LEDs on are closed
B ON ON ON OFF ON 1 Y2 Cool 2st stage cool, blower on. Dampers with LEDs on are closed
ON/OFF OFF OFF ON ON ON 0 Em. Heat Auxiliary and emergency heat on
OFF OFF OFF ON OFF FL 1 Cap Cut out Blower on, all compressors off. Dampers with LED on are closed
ON/OFF ON ON ON ON ON 1 Em. Heat If below 90°, stages up to Y1, Y2 and W2
ON/OFF OFF OFF ON ON ON 1 Em. Heat Fossil Fuel mode, stages uo to W2 only
STATUS LED LEGEND
FL
= Flashing
A
= On when reversing valve jumper is in O position
B
= On when reversing jumper is in B position
C =
On when auxiliary heat is energized
1=
One or more damper LEDs on
0 =
All damper LEDS are off
