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INSTALLATION
SINGLE TRANSFORMER (USE JUMPER WIRE)
2nd COMPRESSOR
2nd AUX HEATING
FAN
1st COMPRESSOR
1st AUX HEATING
OUTDOOR TEMP
SENSOR
JUMPER
REVERSING VALVE
HEAT PUMP
TRANSFORMER
REMOTE TEMP
SENSOR
OR
GY2YO
BW
RC RH W2
S2R
CS
1T1T2A-B-A+B+
RSB RSA
COMMUNICATION
TERMINALS
SUPPORT
MODULE
THERMOSTAT IS POWERED
FROM 8819 OR 24VAC
TRANSFORMER
OUTDOOR TEMP
SENSOR
1st AUX HEATING
1st COMPRESSOR
FAN
2nd AUX HEATING
2nd COMPRESSOR
TRANSFORMER
HEAT PUMP
HEATING
TRANSFORMER
REMOTE TEMP
SENSOR
OR
REVERSING VALVE
GY2YO
BW
RC RH W2
S2R
CS
1T1T2A-B-A+B+
RSB RSA
COMMUNICATION
TERMINALS
SUPPORT
MODULE
THERMOSTAT IS POWERED
FROM 8819 OR 24VAC
TRANSFORMER
HEAT PUMP
NOTE: “O” is active in cooling and “B” is active in heating.
HUMIDISTAT
INSTALLATION
NOTE: “O” is active in cooling and “B” is active in heating.
TWO TRANSFORMERS (REMOVE JUMPER WIRE)
DRY CONTACT
POWERED CONTACT
DEHUMIDIFIER
HUMIDIFIER
GY2YO
BW
RC RH W2
S2R
CS
1T1T2A-B-A+B+
RSB RSA
COMMUNICATION
TERMINALS
SUPPORT
MODULE
THERMOSTAT IS POWERED
FROM 8819 OR 24VAC
TRANSFORMER
DEHUMIDIFIER
HUMIDIFIER
HUMIDIFIER
TRANSFORMER
DEHUMIDIFIER
TRANSFORMER
GY2YO
BW
RC RH W2
S2R
CS
1T1T2A-B-A+B+
RSB RSA
COMMUNICATION
TERMINALS
SUPPORT
MODULE
THERMOSTAT IS POWERED
FROM 8819 OR 24VAC
TRANSFORMER