THERMOSTAT | THERMOSTAT | THERMOSTAT | |
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| *BP21H50124 |
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*DN22U00124 | *BN21H00124 | *DP32H70124 | |
*DP21H40124 | |||
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| *DN21H00124 |
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ID MODELS
TM(8,L)M
YM(8,L)M
CM(8,L)M
LM(8,L)M
MODULATING
FURNACE
OD MODELS
E*R* | *RHS |
E*ZD | HP* |
E*B* | *HGD |
SINGLE STAGE
HEAT PUMP
N/A | N/A |
|
|
3
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
G
Fan
E
Emergency Heat
W2
Third Stage Heat
O
Reversing Valve
Energized in Cool
L
Malfunction Light
Y2
Second Stage Compressor
W1
Second Stage Aux. Heat
External Humidistat
(Optional)
Open on Humidity Rise
Step 1 of Thermostat
Installer / Configuration
Menu must be set to
Heat Pump 1
Step 9 of Thermostat
Installer / Configuration
Menu must be set to
Pump OFF
MODULATING | 2 |
FURNACE CONTROL |
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C |
|
24 – Volt Common |
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Y1 |
|
Single |
|
Stage Compressor |
|
R |
|
24 – Volt Hot |
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|
G |
|
Fan |
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W |
|
Modulating Heat |
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Y/Y2 |
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Second or Full |
|
Stage Compressor |
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O |
|
Reversing Valve |
|
Energized in Cool |
|
LO COMP |
|
Single Stage |
|
Compressor (OUT) |
|
HI COMP |
|
Second Stage |
|
Compressor (OUT) |
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|
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DHUM |
|
Dehumidification- |
|
Open on Humidity Rise |
|
Move HUMIDISTAT
jumper to “YES”
if humidistat is to be used.
DEMAND DEFROST | 1 |
CONTROL |
|
|
|
C
24 – Volt Common
Y
Compressor
R
24 – Volt Hot
W1/66(out)
Heat
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
W
Auxiliary Heat
3Part Number:
Part Numbers: | 2 | Part Numbers: | 1 |
SAP = Legacy |
| SAP = Legacy |
|
| 67297 = |
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FIGURE 23: Thermostat Chart - Single Stage Heat Pump – Variable Speed or PSC Modulating Furnace
Johnson Controls Unitary Products | 15 |
