507582-04
Page 40 of 54
Issue 2220
THERMOSTAT CONNECTIONS (TB1)
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DS = DEHUMIDIFICATION SIGNAL
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W2 = HEAT DEMAND FROM 2ND STAGE T/STAT
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W1 = HEAT DEMAND FROM 1ST STAGE T/STAT
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R = CLASS 2 VOLTAGE TO THERMOSTAT
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G = MANUAL FAN FROM THERMOSTAT
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C = THERMOSTAT SIGNAL GROUND CONNECTED TO
TRANSFORMER GRD (TR) & CHASSIS GROUND (GRD)
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Y1 = THERMOSTAT 1ST STAGE COOL SIGNAL
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Y2 = THERMOSTAT 2ND STAGE COOL SIGNAL
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O = THERMOSTAT SIGNAL TO HEAT PUMP
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REVERSING VALVE
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L = NOT USED
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DH = NOT USED
3/16” QUICK CONNECT TERMINALS
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FLAME SENSE SIGNAL
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HI Cool 24VAC
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HI HEAT 24VAC
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LO COOL 24VAC
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LO HEAT 24VAC
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PAR
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PAR
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COMMON 24VAC
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1/4” QUICK CONNECT TERMINALS
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NEUTRALS = 120 NEUTRAL
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HUM = UNPOWERED NORMALLY OPEN (DRY) CONTACTS
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LI = 120 VAC INPUT TO CONTROL
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ACC = 120 VAC OUTPUT TO OPTIONAL ACCESSORY
Figure 58.
Resideo/Honeywell Integrated Furnace Control 103132-xx