York FG9-DH 120 Manuals

Manuals and User Guides for York FG9-DH 120. We have 1 York FG9-DH 120 manual available for free PDF download: Installation Instructions Manual

York FG9-DH 120 Installation Instructions Manual

York FG9-DH 120 Installation Instructions Manual (40 pages)

Brand: York | Category: Furnace | Size: 1.77 MB

Table of Contents

Table of Contents
2
General Information

3
- Description
  3
- Inspection
  3
- Notes, Cautions & Warnings
  3
- Vent Safety Check Procedure
  3
Specific Unit Information

4
- Limitations & Location
  4
- Clearances for Access
  4
- Clearances to Combustibles
  5
- Below Freezing Locations
  5
- Ductwork
  8
Upflow Models

8
Downflow/Horizontal Models Downflow Application

10
- Downflow Filters
  10
- Supply Air Ducts
  11
Downflow / Horizontal Models - Horizontal Application

11
- Horizontal Filters
  11
- Attic Installation
  11
- Crawl Space Installation
  12
Gas Piping

12
Electrical Power Connection

13
Electrical Control Connections

14
Combustion Air and Vent System

15
Horizontal Vent Applications

24
Condensate Piping

24
- Conversion for Horizontal Applications
  25
- Pplications
  25
Safety Controls

26
- Limit Control
  27
- Auxiliary Limit Controls
  27
Start-Up and Adjustments

27
- Ignition System Sequence
  27
- Gas Valve Operation
  28
- Checking Gas Input (Natural Gas)
  28
- Adjustment of Manifold Gas Pressure
  29
- Adjustment of Temperature Rise
  30
- Adjustment of Fan-Off Control Settings
  30
- Accessory Connections
  31
  - Electronic Air Cleanerc
    31
  - Humidifier Connection
    31
  - Onnection
    31
Furnace Accessories

32
Airflow Data - Upflow

33
Airflow Data - Downflow/Horizontal

33
Operation and Maintenance

34
- Sequence of Operation
  34
- Continuous Blower
  34
- Intermittent Blower - Cooling
  34
- Heating Cycle
  34
  - Hot Surface Ignition System
    34
- Maintenance
  35
  - Air Filters
    35
  - Filter Removal - Upflow Models
    35
  - Odels
    35
  - Filter Removal - Downflowm
    36
  - Horizontal Applications
    36
  - Lubrication
    36
  - Blower Care
    36
  - Burner Removal/Cleaning
    36
  - Cleaning the Heat Exchanger
    36
  - Cleaning the Secondary Heat
    37
  - Vent/Air Intake
    37
Troubleshooting

37
Furnace Control Diagnostics

37
- Xchanger
  37
Wiring Diagram - Upflow Models

39
Wiring Diagram - Downflow/Horizontal

40

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