4
INSTALLING THE THERMOSTAT
W2
G3
Y2
G2
W1
O/BY1 G1 R
24 24C B A T T
FACTORY
JUMPER
Power
Coms
Aux
FIGURE 3
TERMINAL DESIGNATIONS
Based on the T-32-P slide switch configurations,
some terminals have multiple output functions.
(Figure 3)
TERMINAL DESIGNATION CHART
TERMINAL
DESIGNATION
W2
Y2
W1
O/B
Y1
G1
R
24
24C
B
A
T
T
Second Stage Heating or Auxiliary Heat
Second Stage Compressor
HEAT ONLY
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = OFF
(Heat / Cool)
Sw3 = OFF
(Single Stage)
Sw4 = OFF
(Equipment Controls Fan)
Sw5 = Installer Preference
(ON = 4 Minutes Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Run Time)
(ON = 6 Minute Run Time)
Sw8 = ON
(2 Setpoints)
Set FN=H in Advanced Installer Settings
(Heat Only)
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
24 V
1 HEAT / 1 COOL
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
24 V
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
2 HEAT / 2 COOL
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = OFF
(Heat / Cool)
Sw3 = ON
(Two Stage)
Sw4 = OFF
(Equipment Controls Fan)
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)
TYPICAL SYSTEM WIRING DIAGRAMS
Switch Settings
Sw1 = OFF
(Fan Relay)
Sw2 = OFF
(Heat / Cool)
Sw3 = OFF
(Single Stage)
Sw4 = OFF
(Equipment Controls Fan)
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)
First Stage Heating
Reversing Valve
First Stage Compressor
Fan Relay
24 Volt Hot (Jumpered to ‘24’)
24 Volt Hot
24 Volt Common
Modbus Communications
Modbus Communications
Auxiliary Input Terminal
Auxiliary Input Terminal
