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Installation (continued)
TABLE 2a – HEAT/COOL TERMINAL DEFINITIONS
Thermostat
Terminal
Function
R
24 VAC Hot
C
24 VAC Common
W
1st Stage Heat
W2
2nd Stage Heat
Y
1st Stage Cool
Y2
2nd Stage Cool
G
Fan
O
Cooling Mode
B
Heating Mode
TABLE 2b – HEAT PUMP TERMINAL DEFINITIONS
Thermostat
Terminal
Function
R
24 VAC Hot
C
24 VAC Common
Y1
1st Stage Compressor
Y2
2nd Stage Compressor
W1
Auxiliary Heat
G
Fan
O
Reversing Valve – Cool
B
Reversing Valve – Heat
TABLE 2c – RECOMMENDED THERMOSTATS
1
SignatureStat 1H/1C Non-Heat Pump (51M26)
2
Elite 1H/1C Non-Heat Pump (49M55)
3
SignatureStat 2H/2C Non-Heat Pump (51M27)
4
Elite 2H/2C Non-Heat Pump (49M56)
5
SignatureStat 2H/2C Heat Pump (51M28)
6
Elite 2H/2C Heat Pump (49M57)
7
T8624D2079 2H/2C Non-Heat Pump (37L61)
8
T8611G2101 2H/1C Heat Pump (37L60)
1
When using the SignatureStat, only the basic
modes of dehumidification and humidification
can be used.
Tables 3 - 5 on the following pages detail how the zone
panel will respond to specific thermostat input terminals
being energized when set up in different DIP switch
configurations. Refer to the setup flowchart to determine
which DIP switch settings to use with your system.
1
1
1
Page 6
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