HP 24A Two Stage Heat Pump – Two Stage Variable Speed Furnace (Hot Heat Pump or Conventional)
THERMOSTAT
*PP32U71124
*PP32U72124
C
24 – Volt Common
Y1
First Stage Compressor
R
24 – Volt Hot
G
Fan
W2
Second Stage
Aux. Heat
O
Reversing Valve
Energized in Cool
L
Malfunction Light
Y2
Second Stage
Compressor
E/W1
First Stage Aux. Heat
DHM
Dehumidistat
HM
Humidistat
Step 1 of the Thermostat Installer Table must be set to Heat Pump
Step 2 of the Thermostat Installer Table must be set to 2
E2/P Switch must be in the
E2 position
24VAC Humidifier
(Optional)
|
| ID MODELS |
|
|
|
|
|
|
| OD MODELS |
| ||
| PV(8/9) |
|
|
|
|
|
|
| YZE |
|
| ||
(F/L)*(8/9)V |
|
|
|
|
|
|
| YZH |
|
| |||
(G/L)*(8/9)V |
|
|
|
|
|
|
|
| H*5 |
|
| ||
| TM(8/9)V |
|
|
|
|
|
|
|
| H*8 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| TWO STAGE |
|
|
|
|
|
|
| TWO STAGE |
| ||
|
| VARIABLE SPEED |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| HEAT PUMP |
| |||
|
| FURNACE |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 | TWO STAGE |
|
|
|
| 1 |
| YORKGUARD VI |
| ||||
| VARIABLE SPEED |
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
| CONTROL |
| |||
|
| FURNACE CONTROL |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
| C |
|
|
|
|
|
|
|
| C |
| |
|
| 24 – Volt Common |
|
|
|
|
|
|
| 24 – Volt Common |
| ||
|
| Y1 |
|
|
|
|
|
|
| Y1 |
| ||
|
| Single Stage |
|
|
|
|
|
|
| Single Stage |
| ||
|
|
|
|
|
|
|
|
| |||||
|
| Compressor |
|
|
|
|
|
|
| Compressor |
| ||
|
| R |
|
|
|
|
|
|
|
| R |
| |
|
| 24 – Volt Hot |
|
|
|
|
|
|
| 24 – Volt Hot |
| ||
|
| G |
|
|
|
|
|
|
|
|
|
| |
|
| Fan |
|
|
|
|
|
|
|
|
|
| |
|
| W/W1 |
|
|
|
|
|
|
| W1 OUT |
| ||
|
| First Stage Heat |
|
|
|
|
|
|
| First Stage Heat |
| ||
|
| W2 |
|
|
|
|
|
|
| W2 OUT |
| ||
|
| Second Stage Heat |
|
|
|
|
|
|
| Second Stage Heat |
| ||
|
| Y/Y2 |
|
|
|
|
|
|
| Y2 OUT |
| ||
|
| Second or Full |
|
|
|
|
|
|
| Second Stage |
| ||
|
|
|
|
|
|
|
|
| |||||
|
| Stage Compressor |
|
|
|
|
|
|
| Compressor |
| ||
|
| O |
|
|
|
|
|
|
|
| O |
| |
|
|
|
|
|
|
|
|
| Reversing Valve |
| |||
|
| Reversing Valve |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| Energized in Cool |
| |||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
| X/L |
|
|
|
|
|
|
| X/L |
| ||
|
| Malfunction Light |
|
|
|
|
|
|
| Malfunction Light |
| ||
|
|
|
|
|
|
|
|
|
|
| Y2 |
| |
|
|
|
|
|
|
|
|
|
|
| Second Stage |
| |
|
|
|
|
|
|
|
|
|
|
| Compressor |
| |
|
|
|
|
|
|
|
|
|
|
|
| W |
|
|
|
|
|
|
|
|
|
|
|
| Auxiliary Heat |
| |
|
| DHUM |
|
|
|
|
|
|
| BSG |
| ||
|
| Dehumidification |
| Bonnet Sensor Kit |
|
|
| Bonnet Sensor |
| ||||
|
|
|
|
| |||||||||
|
|
|
|
|
| (Optional) |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
| BS |
| ||||
|
|
|
|
|
|
|
|
|
|
| Bonnet Sensor |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Change FFuel jumper |
| Move HEAT PUMP |
| on the heat pump control |
| jumper to “YES” |
| to “ON” |
| Move DHUM |
| Change Hot Heat Pump |
| jumper to “YES” |
| jumper on the heat pump |
| if humidistat is to be used. |
| control to “ON” if Hot Heat |
|
|
| Pump Operation is desired. |
|
|
|
|
|
| 1 | Part Numbers: |
|
| SAP = Legacy | |
|
|
| |
2 | Part Numbers: |
| 126768 = |
| 18395 = | ||
| SAP = Legacy |
| |
| 265904 = |
| 340512 = |
| 449572 |
|
|
FIGURE 21: Thermostat Chart - Two Stage HP with Two Stage Variable Speed Furnace (Hot Heat Pump or Conventional)
16 | Johnson Controls Unitary Products |