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368262-UIM-B-1008
16 Johnson Controls Unitary Products
FIGURE 22: Thermostat Chart - Single Stage Heat Pump – Variable Speed or PSC Modulating 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
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
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
E*B*
E*ZD
E*R*
OD MODELS
*HGD
HP*
*RHS
C
24 – Volt Common
R
24 – Volt Hot
Y1
Single
Stage Compressor
MODULATING
FURNACE CONTROL
G
Fan
MODULATING
FURNACE
Y/Y2
Second or Full
Stage Compressor
DHUM
Dehumidification-
Open on Humidity Rise
W
Modulating Heat
Part Numbers:
SAP = Legacy
2
2
Move HUMIDISTAT
jumper to “YES”
if humidistat is to be used.
ID MODELS
LO COMP
Single Stage
Compressor (OUT)
O
Reversing Valve
Energized in Cool
HI COMP
Second Stage
Compressor (OUT)
External Humidistat
(Optional)
Open on Humidity Rise
3
TP(8,L)C
YP(8,L)C
CP(8,L)C
LP(8,L)C