Lennox G43UF SERIES Manuals

Manuals and User Guides for Lennox G43UF SERIES. We have 7 Lennox G43UF SERIES manuals available for free PDF download: Unit Information, Installation Instructions Manual, User's Information Manual, User Manual, Specifications

Lennox G43UF SERIES Unit Information (56 pages)

Brand: Lennox | Category: Furnace | Size: 1.91 MB

Table of Contents
1
Specifications
2
- Optional Accessories
  3
- Gas Heat Accessories
  3
- Blower/Watts Data
  4
- Performance Data
  4
- Parts Identification
  8
- Unit Components
  9
- Make-Up Box
  9
- Control Box Components
  9
- Surelight Ignition System
  9
- Electronic Ignition
  10
- Fan Time Control
  10
- Diagnostic Codes
  11
- Ignition Control
  12
- Ignitor
  13
- Heating Components
  13
- Flame Sensor
  14
- Primary Limit Control
  14
- Burners
  14
- Clamshell Heat Exchanger
  15
- Backup Secondary Limit Control
  15
- Flame Rollout Switches
  15
- Gas Valve
  15
- Combustion Air Inducer and Cold End Header Box
  16
- Combustion Air Prove Switch
  17
- Measuring Pressure Differential
  17
- Blower Compartment
  18
- Blower Motor and Capacitor
  18
- Termination Kits
  19
Placement and Installation
19
Heating System Service Checks
33
- Testing Gas Supply Pressure
  34
- Check Manifold Pressure
  34
- Gas Pipe Capacity
  34
- Flame Signal
  35
- Proper Combustion
  35
- Proper Gas Flow
  35
- Typical Operating Characteristics
  36
- Blower Operation and Adjustment
  36
- Temperature Rise
  36
High Altitude
36
- External Static Pressure
  37
- Blower Speed Taps Leaded Motors
  37
- Winterizing and Condensate Trap Care
  38
- Blower Care
  38
- Filters Care
  38
Maintenance
38

Lennox G43UF SERIES Installation Instructions Manual (51 pages)

G43UF MERIT SERIES GAS FURNACE UPFLOW AIR DISCHARGE

Brand: Lennox | Category: Furnace | Size: 1.02 MB

Table of Contents
1
Unit Dimensions
2
Parts Identification
3
Shipping and Packing List
4
Safety Information
4
Use of Furnace as Constrction Heater
5
General
6
Combustion, Dilution & Ventilation Air
6
Installation − Setting Equipment
8
Filters
11
Duct System
11
Pipe & Fittings Specifications
12
Vent Piping Guidelines
14
Joint Cementing Procedure
15
Venting Practices
15
Vent Termination Clearances
19
Gas Piping
27
Electrical
30
Unit Start−Up
33
Gas Pressure Adjustment
35
High Altitude Information
36
Testing for Venting and Combustion Air
37
Other Unit Adjustments
38
Blower Motor Performance
39
Blower Performance Data
39
Service
41
Planned Service
43
Ignition Control Board Diagnostic Codes
43
Troubleshooting
44
Troubleshooting: Cooling Sequence of Operation
46
Repair Parts List
47
Vent Pipe Sizing Worksheet
48
Start−Up & Performance Check List
49

Lennox G43UF SERIES User's Information Manual (51 pages)

Gas Furnace

Brand: Lennox | Category: Furnace | Size: 3.21 MB

Lennox G43UF SERIES User Manual (17 pages)

Merit Series

Brand: Lennox | Category: Furnace | Size: 0.38 MB

Lennox G43UF SERIES User's Information Manual (7 pages)

Brand: Lennox | Category: Furnace | Size: 0.18 MB

Lennox G43UF SERIES User's Information Manual (7 pages)

Brand: Lennox | Category: Furnace | Size: 0.18 MB

Lennox G43UF SERIES Specifications (2 pages)

Merit Series Direct/Non-direct Vent Gas Furnace

Brand: Lennox | Category: Furnace | Size: 0.2 MB

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Furnace

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Lennox G43UF SERIES Manuals

Lennox G43UF SERIES Unit Information (56 pages)

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Lennox G43UF SERIES Installation Instructions Manual (51 pages)

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Lennox G43UF SERIES User's Information Manual (51 pages)

Lennox G43UF SERIES User Manual (17 pages)

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Lennox G43UF SERIES User's Information Manual (7 pages)

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Lennox G43UF SERIES User's Information Manual (7 pages)

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Lennox G43UF SERIES Specifications (2 pages)

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