1083286-UIM-H-0817
Johnson Controls Unitary Products
13
For additional connection diagrams for all Johnson Controls Unitary Products’ 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 AC with Single Stage PSC Furnaces
C
24 – Volt Common
Y1
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
THERMOSTAT
W2
Second Stage
Aux. Heat
R
24 – Volt Hot
C
24 – Volt Common
Y1
First Stage Compressor
Y2
Second Stage
Compressor
G
Fan
* PP32U70124
THERMOSTAT
W2
Second Stage Heat
R
24 – Volt Hot
(Heat XFMR)
24 –
V
olt Hot
(Cool XFMR)
TWO STAGE
AIR
CONDITIONER
C
24 – Volt Common
R
24 – Volt Hot
Y1
First Stage Compressor
Y2
Second Stage
Compressor
C
24 – Volt Common
R
24 – Volt Hot
Y1
Single
Stage Compressor
TWO STAGE
G
Fan
TWO STAGE
FURNACE
Y/Y2
Second or Full
Stage Compressor
ID MODELS
External Humidistat
(Optional)
Open on Humidity Rise
Thermostat Installer Setup
Connection of the "C"
terminal, 24-volt common
is optional when used with
batteries
Connection of the "C"
terminal, 24-volt common
is optional when used with
batteries
0170-System Type-must
be set to 8-2 Heat/2 Cool
Multistage Conventional
Two Stage Air Conditioner - Two Stage Furnace
*DP22U70124
*DN22H00124
PT(8/9)
(F/L)*(8/9)T
(G/L)*(8/9)T
TM9*
FURNACE
W / W1
First Stage Heat
W2
Second Stage Heat
RC
W
First Stage Heat
E/W1
First Stage aUX. Heat
24VAC Humidifier Relay
(Optional)