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259720-CTG-B-0108
AC 11C
Single Stage Air Conditioner – PSC Modulating Furnace
THERMOSTAT
THERMOSTAT
*DN22U00124
*PP32U70124
C
24 – Volt Common
24 – Volt Common
Y1
First Stage Compressor
First Stage Compressor
R
24 – Volt Hot
24 – Volt Hot
(Heat XFMR)
(Heat XFMR)
G
Fan
E/W1
First Stage Heat
Emergency Heat
W2
Second Stage Heat
Auxiliary Heat
R
24 – Volt Hot
24 – Volt Hot
(Cool XFMR)
(Cool XFMR)
Y2
Second Stage
Second Stage
Compressor
Compressor
Connection of the "C"
Connection of the "C"
terminal, 24-volt common
terminal, 24-Volt common
is optional when used with
is optional when used with
batteries
Thermostat Installer Setup
Thermostat Installer Setup
1-System Type-must
0170-System Type-must
be set to 7-2 Heat/1 Cool
be set to 9-2 Heat/1 Cool
Multistage Conventional
Multistage Conventional
Thermostat Installer Setup
15-Compressor Protection
-must be set to 5
Thermostat Chart - PSC Modulating Furnace/Single Stage Air Conditioner
6
THERMOSTAT
*DN22C00124
C
C
24 – Volt Common
Y1
Y
First Stage Compressor
R
R
24 – Volt Hot
G
G
Fan
Fan
E/W1
W
First Stage Heat
AUX
W2
Second Stage Heat
R
Y2
Y2
Second Stage
Compressor
2
Connection of the "C"
terminal, 24-Volt common
is optional when used with
batteries
batteries
2
THERMOSTAT
*DP22U70124
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
G
Fan
E/W1
First Stage Heat
W2
Second Stage Heat
Y2
Second Stage
Compressor
External Humidistat
(Optional)
24VAC Humidifier
Open on Humidity Rise
(Optional)
Connection of the "C"
terminal, 24-Volt common
is optional when used with
batteries
Step 1 of Thermostat User
Configuration Menu must
be set to MS 2
Part Number:
S1-2HU16700124
ID MODELS
PM9
FC9M
FL9M
PSC
SINGLE STAGE
MODULATING
FURNACE
CONDITIONER
PSC
1
SINGLE STAGE
MODULATING FURNACE
AIR CONDITIONER
C
24 – Volt Common
24 – Volt Common
Y/Y2
Second or Full
Compressor Contactor
Stage Compressor
R
24 – Volt Hot
G
Fan
W
Modulating Heat
Y1
Single Stage Compressor
Part Numbers:
1
SAP =
Legacy
155941 = 031-09140
Unitary Products Group
AIR
C
Y
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