2 HEAT / 2 COOL
Switch Settings
Sw1 = OFF
(Heat/Cool)
Sw2 = ON
(Multi-stage)
Sw3 = OFF
(Not Applicable)
Sw4 = OFF
(Not Applicable)
Sw5 = OFF
(Equipment Controls Fan)
Sw6 = User Preference
(OFF = Non-Programmable)
(ON = Programmable)
Sw7 = User Preference
(OFF = 4 Schedules per Day)
(ON = 2 Schedules per Day)
Sw8 = OFF
(4 Minute Short Cycle Protection)
W2
G3
Y2
G2
W1
O/B
Y1
G1
R
24
24C
B
A
T
T
HEAT 1
RELAY
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
COMP 2
RELAY
HEAT 2
RELAY
24 V
TYPICAL SYSTEM WIRING DIAGRAMS
2 HEAT / 1 COOL HEAT PUMP
Switch Settings
Sw1 = ON
(Heat Pump)
Sw2 = OFF
(Single Stage)
Sw3 = OFF
(Conventional Heat Pump)
Sw4 = Reversing Valve
(OFF = ‘O’)
(ON = ‘B’)
Sw5 = ON
(Thermostat Controls Fan)
Sw6 = User Preference
(OFF = Non-Programmable)
(ON = Programmable)
Sw7 = User Preference
(OFF = 4 Schedules per Day)
(ON = 2 Schedules per Day)
Sw8 = OFF
(4 Minute Short Cycle Protection)
If an outdoor sensor is used and High or Low Balance Point control is required, set HB and LB in the
Advanced Installer menu.
IMPORTANT:
W2
Y2
W1
O/B
Y1
G
R
24
24C
B
A
T
T
REV
VALVE
FAN 1
RELAY
MODBUS
TT
TERMINALS
LINE
COMP 1
RELAY
AUX
HEAT
24 V
7
