York P*UR 40 - Wiring Diagram - Upflow Models

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035-14370-000 650.75-N4U

Unitary Products Group 39

WIRING DIAGRAM - UPFLOW MODELS: P*UR / FG9-UP / G9T-UP

NOTE:

THE FURNACE’S CONTROL SYSTEM DEPENDS ON CORRECT POLARITY OF THE POWER SUPPLY

Main Page

Default Chapter2
- Table of Contents2
General Information3
- Description3
- Inspection3
- Notes, Cautions & Warnings3
- Vent Safety Check Procedure3
Specific Unit Information4
- Limitations & Location4
- Clearances for Access4
- Clearances to Combustibles5
- Below Freezing Locations5
- Ductwork8
Upflow Models8
- Supply Plenum Connection8
- Return Duct Connection9
- Upflow Filter Installation9
Downflow/Horizontal Models Downflow Application10
- Downflow Filters10
- Supply Air Ducts11
Downflow / Horizontal Models - Horizontal Application11
- Horizontal Filters11
- Attic Installation11
- Crawl Space Installation12
Gas Piping12
Electrical Power Connection13
Electrical Control Connections14
Combustion Air and Vent System15
- Method One: Two Pipe Sealed Combustion Air & Vent System15
- Method Two: One Pipe System19
- Method Three: Two Pipe System Using Com- Bustion Air from a Ventilated Attic Space23
Horizontal Vent Applications24
Condensate Piping24
- Conversion for Horizontal Applications25
- Pplications25
Safety Controls26
- Limit Control27
- Auxiliary Limit Controls27
Start-Up and Adjustments27
- Ignition System Sequence27
- Gas Valve Operation28
- Checking Gas Input (Natural Gas)28
- Adjustment of Manifold Gas Pressure29
- Adjustment of Temperature Rise30
- Adjustment of Fan-Off Control Settings30
- Accessory Connections31
Furnace Accessories32
Airflow Data - Upflow33
Airflow Data - Downflow/Horizontal33
Operation and Maintenance34
- Sequence of Operation34
- Continuous Blower34
- Intermittent Blower - Cooling34
- Heating Cycle34
  - Hot Surface Ignition System34
- Maintenance35
Troubleshooting37
Furnace Control Diagnostics37
- Xchanger37
Wiring Diagram - Upflow Models39
Wiring Diagram - Downflow/Horizontal40

York P*UR 40 - Wiring Diagram - Upflow Models

Table of Contents

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