Goodman GMH series Manuals

Manuals and User Guides for Goodman GMH series. We have 1 Goodman GMH series manual available for free PDF download: Service Instructions Manual

Goodman GMH series Service Instructions Manual

Goodman GMH series Service Instructions Manual (131 pages)

80%, 90%, 95%

Brand: Goodman | Category: Furnace | Size: 3.64 MB

Table of Contents

Table of Contents

2
- Important Information
  3
- Product Identification
  4
- Operating Instructions
  19
- Accessories
  23
  - Horizontal Installation
    25
  - Side Wall Vent Kit
    26
- Product Design
  28
  - Location Requirements and Considerations
    29
  - Clearances and Accessibility
    30
  - Furnace Suspension
    30
  - Masonry Chimneys
    36
  - Gas Piping Connections
    58
  - Electrical Connections
    60
  - Wiring Harness
    60
  - Volt Line Connections
    60
  - Propane Gas Piping Charts
    60
- System Operation
  80
  - Polarization and Phasing
    92
- Maintenance
  93
- Servicing
  96
Servicing

98
- Checking Thermostat, Wiring, and Anticipator
  99
- Checking Voltage
  99
- Checking Wiring
  99
- S-3A Thermostat and Wiring
  99
- S-3B Heating Anticipator
  99
- Checking Transformer and Control Circuit
  100
- Checking Capacitor
  101
- S-15A Resistance Check
  101
- S-16A Checking Air Circulator Blower Motor
  101
- Checking Duct Static
  113
- Checking Temperature Rise
  113
- Checking Primary Limit Control
  114
- Checking Auxiliary Limit Control
  115
- Checking Flame Rollout Control
  117
- Checking Gas Valve
  118
- Checking Main Burners
  118
- Checking Orifices
  118
- Test Induced Draft Motor
  118
- Checking Gas Pressure
  119
- Checking Hot Surface Ignitor
  122
- Checking for Flashback
  123
- Checking Pressure Control
  123
- Checking for Delayed Ignition
  124
- Checking Ignition Control Boards
  124
- High Altitude Applicaton (Usa)
  124
- Checking Flame Sensor
  128
- Accessories Wiring Diagrams
  129

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