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697936-UIM-B-01211
14 Johnson Controls Unitary Products
FIGURE 19: Thermostat Chart - Single Stage HP with Single Stage Furnaces
Single Stage Heat Pump – Single Stage Furnace
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
O
Reversing Valve
Energized in Cool
L
Malfunction Light
G
Fan
*DP32H70124
THERMOSTAT
W1
Second Stage Aux. Heat
E
Emergency Heat
W2
Third Stage Heat
N/A
*BP21H50124
*BN21H00124
*DP21H40124
*DN21H00124
THERMOSTAT
N/A
*DN22U00124
THERMOSTAT
Part Numbers:
SAP = Legacy
67297 = 031-01975
E*B*
E*ZD
E*R*
OD MODELS
*HGD
HP*
*RHS
O
Reversing Valve
Energized in Cool
C
24 – Volt Common
R
24 – Volt Hot
W1/66(out)
Heat
Y
Compressor
DEMAND DEFROST
CONTROL
X/L
Malfunction Light
W
Auxiliary Heat
SINGLE STAGE
HEAT PUMP
1
1
Part Number:
S1-2HU16700124
3
24VAC Humidifier
(Optional)
External Humidistat
(Optional)
Open on Humidity Rise
3
Y2
Second Stage Compressor
Step 9 of Thermostat
Installer / Configuration
Menu must be set to
Pump OFF
Step 1 of Thermostat
Installer / Configuration
Menu must be set to
Heat Pump 1
TM9X
ID MODELS
C
24 – Volt Common
R
24 – Volt Hot
W
Full Stage Heat
SINGLE STAGE PSC
FURNACE
G
Fan
SINGLE STAGE
FURNACE
Other Part Numbers:
SAP = Legacy
265901 = 031-09166
2
2
Y/Y2
Full Stage Compressor