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INSTALLATION
WIRING – SINGLE TRANSFORMER (USE
JUMPER WIRE) FOR HEAT PUMP SYSTEM
1st AUX HEATING
1st COMPRESSOR
FAN
REVERSE VALVE
FAULT DETECT
2nd AUX HEATING
2nd COMPRESSOR
OUTDOOR TEMP
SENSOR
HEAT PUMP
TRANSFORMER
C
G
Y
W
R
L
S1
S2
O/B
W2
Y2
RC
JUMPER
1st AUX HEATING
1st COMPRESSOR
FAN
REVERSE VALVE
FAULT DETECT
2nd AUX HEATING
2nd COMPRESSOR
OUTDOOR TEMP
SENSOR
HEATING
TRANSFORMER
HEAT PUMP
TRANSFORMER
C
G
Y
W
R
L
S1
S2
O/B
W2
Y2
RC
WIRING – TWO TRANSFORMERS (REMOVE
JUMPER WIRE) FOR HEAT PUMP SYSTEM
SYSTEM SETUP INSTRUCTIONS
How to enter the system setup menu to change
system settings
Press
repeatedly until system is set to OFF.
Press and hold
and for three seconds.
The screen of the first setting will be displayed.
SETUP & TESTING
Press or to change the setting.
Press
to change to the next option.
Press
after the last setting. “DONE” will be
displayed.
The thermostat will return to Normal mode if no button
is pressed in 3 seconds.
To reset all system settings back to default, press the
RESET button located under the battery door.
The following instructions show how to enter the system setup menu and change settings. The table on the
following pages lists the settings and their details. Default settings are shown in bold. Some settings are only
available based on other setting values.
SYSTEM SETTING NUMBER
SETTING VALUE