AC 1B | Single Stage Air Conditioner – PSC Air Handler |
| THERMOSTAT | THERMOSTAT |
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| *BP11C50124 |
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| *BN11C00124 | *BN11C01124 |
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| *DP11C40124 |
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| *DN11C00124 |
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| C | C |
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| 24 – Volt Common | 24 – Volt Common |
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| Y | Y |
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| Full Stage Compressor | Full Stage Compressor |
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| RH | RH |
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| 24 – Volt Hot | 24 – Volt Hot |
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| (Heat XFMR) | (Heat XFMR) |
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| G | G |
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| Fan | Fan |
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| RC | RC |
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| 24 – Volt Hot | 24 – Volt Hot |
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| (Cool XFMR) | (Cool XFMR) |
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| W | W |
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| Full Stage Heat | Full Stage Heat |
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| 2 | External Humidistat |
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| (Optional) |
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| Open on Humidity Rise |
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| Thermostat Installer Setup | Selection of GAS/ELEC |
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| switch on thermostat |
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| set to 0 | is not necessary |
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| Thermostat Installer Setup |
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| must be set to 5 |
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| 2 | Part Number: |
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24VAC Humidifier
(Optional)
24VAC
Electronic Air Cleaner
(Optional)
| ID MODELS |
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| AHP |
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| SHP |
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| MA |
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| PSC |
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| SINGLE STAGE | |
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| AIR | |||
| AIR HANDLER |
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| CONDITIONER | |||
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| PSC | 1 | SINGLE STAGE | |
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| AIR HANDLER CONTROL |
| AIR CONDITIONER | ||
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| COM |
| C | |
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| 24 – Volt Common |
| 24 – Volt Common | ||
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| Y/Y2 |
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| Second or Full |
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| Compressor Contactor | |||
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| Stage Compressor |
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| R |
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| 24 – Volt Hot |
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| G |
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| Fan |
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| W2 |
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| Second Stage Heat |
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| Y1 |
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| Single Stage Compressor |
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| O |
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| Reversing Valve |
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| Energized in Cool |
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| X/L |
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| Malfunction Light |
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| W1 |
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| First Stage Heat |
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| HUM |
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| Humidity Switch |
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| Open on Humidity Rise |
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| HUM OUT |
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| (24 VAC out) |
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| Humidifier |
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| EAC(24 VAC out) |
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| Electronic Air Cleaner |
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| Move HUM STAT |
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| jumper to “YES” |
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| if humidistat is to be used. |
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| Refer to AH documentation |
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| for W1 and W2 electric |
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| heat staging options. |
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| OtherPartPartNumbers: | 1 |
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| SAP | = | Legacy |
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| 265902159480 | = |
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FIGURE 9: Thermostat Chart - Single Stage AC with PSC Air Handler
Johnson Controls Unitary Products | 9 |