HP 15A Single Stage Heat Pump – Two Stage Variable Speed Furnace (Hot Heat Pump or Conventional)
THERMOSTAT | THERMOSTAT | THERMOSTAT | |
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| *BP21H50124 |
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*DN22U00124 | *BN21H00124 | *DP32H70124 | |
*DP21H40124 | |||
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| *DN21H00124 |
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ID MODELS
PV(8/9)
(F/L)*(8/9)V
(G/L)*(8/9)V
TM(8/9)V
TWO STAGE
VARIABLE SPEED
FURNACE
OD MODELS
YZB
YMB
H*3
SINGLE STAGE
HEAT PUMP
| C | C | C |
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| 24 – Volt Common | 24 – Volt Common | 24 – Volt Common |
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| Y | Y1 | Y1 |
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| First Stage Compressor | First Stage Compressor | First Stage Compressor |
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| R | R | R |
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| 24 – Volt Hot |
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| (Heat XFMR) | 24 – Volt Hot | 24 – Volt Hot |
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| G | G | G |
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| Fan | Fan | Fan |
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| E | E | E |
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| Emergency Heat | Emergency Heat | Emergency Heat |
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| W2 |
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| Third Stage Heat |
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| RC |
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| 24 – Volt Hot |
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| (Cool XFMR) |
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| O/B | O | O |
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| Reversing Valve | Reversing Valve |
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| Reversing Valve |
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| Energized in Cool | Energized in Cool |
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| L | L | L |
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| Malfunction Light | Malfunction Light | Malfunction Light |
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| Y2 | Y2 |
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| Second Stage | Second Stage |
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| Compressor | Compressor |
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| AUX | W2 | W1 |
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| Second Stage |
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| Auxiliary Heat | Second Stage Heat |
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| Aux. Heat |
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| 24VAC Humidifier |
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| 3 | (Optional) |
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| External Humidistat |
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| (Optional) |
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| Open on Humidity Rise |
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| 3 |
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| External Humidistat |
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| (Optional) |
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| Open on Humidity Rise |
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2
TWO STAGE
1
VARIABLE SPEED
FURNACE CONTROL
C
24 – Volt Common
Y1
Single Stage
Compressor
R
24 – Volt Hot
G
Fan
W/W1
First Stage Heat
W2
Second Stage Heat
Y/Y2
Second or Full
Stage Compressor
O
Reversing Valve
X/L
Malfunction Light
DHUM
Dehumidification
Bonnet Sensor Kit
(Optional)
YORKGUARD VI
CONTROL
C
24 – Volt Common
Y1
Single Stage
Compressor
R
24 – Volt Hot
W1 OUT
First Stage Heat
W2 OUT
Second Stage Heat
Y2 OUT
Second Stage
Compressor
O
Reversing Valve
Energized in Cool
X/L
Malfunction Light
Y2
Second Stage
Compressor
W
Auxiliary Heat
BSG
Bonnet Sensor
BS
Bonnet Sensor
Thermostat Installer Setup | B/O Switch on Thermostat | Step 1 of Thermostat |
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Installer / Configuration |
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to 5 – 2 Heat/1 Heat Pump | must be in the O position | Menu must be set to |
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Thermostat Installer Setup |
| Heat Pump 1 |
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be set to 0 – O/B terminal |
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Energized in Cooling |
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| 3 | Part Number: |
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2
Move HEAT PUMP
jumper to “YES”
Move DHUM
jumper to “YES”
if humidistat is to be used.
Part Numbers:
SAP = Legacy
265904 =
449572
1
Change FFuel jumper
on the heat pump control
to “ON”
Change Hot Heat Pump jumper on the heat pump control to “ON” if Hot Heat Pump Operation is desired.
Part Numbers:
SAP = Legacy
126768 =
18395 =
340512 =
FIGURE 19: Thermostat Chart - Single Stage Heat Pump with Two Stage Variable Speed Furnace (Hot Heat Pump or Conventional)
14 | Johnson Controls Unitary Products |
