THERMOSTAT | THERMOSTAT |
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*DN22U00124 | *PP32U70124 |
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TP(8,L)C |
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YP(8,L)C |
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CP(8,L)C |
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LP(8,L)C |
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| MODULATING |
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| TWO STAGE | |
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| AIR | ||
| FURNACE |
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| CONDITIONER | ||
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C | C |
24 – Volt Common | 24 – Volt Common |
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Y1 | Y1 |
First Stage Compressor | First Stage Compressor |
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R | R |
24 – Volt Hot | 24 – Volt Hot |
(Heat XFMR) | (Heat XFMR) |
G | G |
Fan | Fan |
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E/W1 | E/W1 |
First Stage Heat | Emergency Heat |
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W2 | AUX |
Second Stage Heat | Auxiliary Heat |
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R | R |
24 – Volt Hot | 24 – Volt Hot |
(Cool XFMR) | (Cool XFMR) |
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Y2 | Y2 |
Second Stage | Second Stage |
Compressor | Compressor |
MODULATING
FURNACE CONTROL
C
24 – Volt Common
Y1
Single
Stage Compressor
R
24 – Volt Hot
G
Fan
W
Modulating Heat
Y/Y2
Second or Full
Stage Compressor
O
Reversing Valve
Energized in Cool
LO COMP
Single Stage
Compressor (OUT)
HI COMP
Second Stage
Compressor (OUT)
DHUM
1
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
Y2
Second Stage
Compressor
2
Connection of the “C”
terminal,
Thermostat Installer Setup
be set to
Thermostat Installer Setup
2
External Humidistat
(Optional)
Open on Humidity Rise
Connection of the “C”
terminal,
Thermostat Installer Setup
Part Number:
Dehumidification-
Open on Humidity Rise
Move HUMIDISTAT
jumper to “YES”
if humidistat is to be used.
Part Numbers: | 1 |
SAP = Legacy
FIGURE 20: Thermostat Chart - Two Stage Air Conditioner – Variable Speed or PSC Modulating Furnace
14 | Johnson Controls Unitary Products |