TYPICAL SYSTEM WIRING DIAGRAMS
W2
G3
Y2
G2
W1
O/B
Y1
G1
R
24 24C B
A
T T
REV
VALVE
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
AUX
HEAT
24 V
2 HEAT / 1 COOL HEAT PUMP
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = ON
(Heat Pump)
Sw3 = OFF
(Single Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
W2
G3
Y2
G2
W1
O/B
Y1
G1
R
24 24C B
A
T T
REV
VALVE
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
COMP 2
RELAY
AUX
HEAT
24 V
3 HEAT / 2 COOL HEAT PUMP
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = ON
(Heat Pump)
Sw3 = ON
(Two Stage)
Sw4 = (Reversing Valve)
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(Off = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
W2
G3
Y2
G2
W1
O/B
Y1
G1
R
24 24C B
A
T T
REV
VALVE
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
FOSSIL
FUEL
24 V
2 HEAT / 1 COOL DUAL FUEL
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = ON
(Heat Pump)
Sw3 = OFF
(Single Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
W2
G3
Y2
G2
W1
O/B
Y1
G1
R
24 24C B
A
T T
REV
VALVE
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
COMP 2
RELAY
FOSSIL
FUEL
24 V
3 HEAT / 2 COOL DUAL FUEL
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = ON
(Heat Pump)
Sw3 = ON
(Two Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
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