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701379-UIM-C-0712
Johnson Controls Unitary Products 13
For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available on-line at www.upgnet.com in
the Product Catalog Section.
FIGURE 18: Thermostat Chart - Single Stage Air Conditioners with Two Stage Variable Speed Furnaces
AC 9A Single Stage Air Conditioner – Two Stage Variable Speed Furnace
Connection of the “C”
terminal, 24-Volt common
is optional when used with
batteries
C
24 – Volt Common
R
24 – Volt Hot
Y
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
*DN22C00124
THERMOSTAT
W2
Second Stage Heat
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
*DP22U70124
THERMOSTAT
W2
Second Stage Heat
Step 1 of Thermostat User
Configuration Menu must
be set to MS 2
W
First Stage Heat
E/W1
First Stage Heat
Connection of the “C”
terminal, 24-Volt common
is optional when used with
batteries
Part Number:
S1-2HU16700124
External Humidistat
(Optional)
Open on Humidity Rise
C
24 – Volt Common
Y
Compressor
Y
Compressor Contactor
SINGLE STAGE
AIR
CONDITIONER
Part Numbers:
SAP = Legacy
265904 = 031-09169
449572
1
C
24 – Volt Common
R
24 – Volt Hot
Y1
Single Stage
Compressor
TWO STAGE
VARIABLE SPEED
FURNACE CONTROL
G
Fan
TWO STAGE
VARIABLE SPEED
FURNACE
W/W1
First Stage Heat
Y/Y2
Second or Full
Stage Compressor
W2
Second Stage Heat
O
Reversing Valve
X/L
Malfunction Light
DHUM
Dehumidification
1
Move DHUM
jumper to “YES”
if humidistat is to be used.
PV(8/9)
ID MODELS
(F/L)*(8/9)V
(G/L)*(8/9)V
C
24 – Volt Common
Y
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
*PP32U70124
THERMOSTAT
W2
Second Stage Heat
R
24 – Volt Hot
(Heat XFMR)
RC
24 – Volt Hot
(Cool XFMR)
Connection of the “C”
terminal, 24-Volt common
is optional when used with
batteries
Thermostat Installer Setup
0170-System Type-must
be set to 9-2 Heat/1 Cool
Multistage Conventional
C
24 – Volt Common
Y
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
*DN22U00124
THERMOSTAT
W2
Second Stage Heat
R
24 – Volt Hot
(Heat XFMR)
RC
24 – Volt Hot
(Cool XFMR)
W
First Stage Heat
W
First Stage Heat
Connection of the “C”
terminal, 24-volt common
is optional when used with
batteries
Thermostat Installer Setup
1-System Type-must
be set to 7-2 Heat/1 Cool
Multistage Conventional
Thermostat Installer Setup
15-Compressor Protection
-must be set to 5
2
2
TM(8/9)V