AC 24C | Two Stage Air Conditioner – Two Stage Variable Speed Furnace |
THERMOSTAT
*PP32U71124
*PP32U72124
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
G
Fan
E/W1
First Stage Heat
W2
Second Stage Heat
L
Malfunction Light
Y2
Second Stage
Compressor
DHM
Dehumidification
HM
Humidistat
24VAC Humidifer
(Optional)
ID MODELS
PV(8/9)
(F/L)*(8/9)V
(G/L)*(8/9)V
TM(8/9)V
| TWO STAGE |
| TWO STAGE | |
| VARIABLE SPEED |
| AIR | |
| FURNACE |
| CONDITIONER | |
|
|
|
|
|
|
|
|
| |
1 | TWO STAGE |
|
|
|
VARIABLE SPEED |
|
|
| |
|
|
| ||
| FURNACE CONTROL |
|
| |
| C |
| C | |
| 24 – Volt Common |
|
| 24 – Volt Common |
| Y1 |
| Y1 | |
| Single Stage |
|
| |
|
|
| First Stage Compressor | |
| Compressor |
|
| |
|
|
| ||
| R |
| R | |
| 24 – Volt Hot |
|
| 24 – Volt Hot |
| G |
| Comfort Alert Interface | |
| Fan |
|
| (two pin connector) |
| W/W1 |
|
|
|
| First Stage Heat |
|
| |
|
|
|
| |
| W2 |
|
|
|
| Second Stage Heat |
|
| |
| Y/Y2 |
|
|
|
| Second or Full |
|
| |
| Stage Compressor |
|
| |
| O |
|
|
|
| Reversing Valve |
|
| |
| X/L |
|
|
|
| Malfunction Light |
|
| |
|
|
|
| Y2 |
|
|
|
| Second Stage |
|
|
|
| Compressor |
|
|
|
| |
| DHUM |
|
|
|
| Dehumidification |
|
| |
|
|
|
|
|
Optional Harness
Step 1 of Thermostat User Configuration Menu must be set to MLTISTG
E2/P Switch must be in the
E2 position
1
Move DHUM
jumper to “YES”
if humidistat is to be used.
Part Numbers:
SAP = Legacy
265904 =
449572
FIGURE 20: Thermostat Chart - Two Stage AC with Two Stage Variable Speed Furnace
14 | Johnson Controls Unitary Products |
