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80UHG2X-60
Lennox 80UHG2X-60 Manuals
Manuals and User Guides for Lennox 80UHG2X-60. We have
2
Lennox 80UHG2X-60 manuals available for free PDF download: Service Literature, Unit Information
Lennox 80UHG2X-60 Service Literature (35 pages)
mid-efficiency gas furnace 80UHG SERIES
Brand:
Lennox
| Category:
Furnace
| Size: 0.91 MB
Table of Contents
Table of Contents
1
Specifications
2
Optional Accessories
2
Blower Data
3
Filter Air Resistance
4
High Altitude Derate
4
Manifold Absolute Pressure
4
Parts Identification
5
Heating Components
5
Burner Assembly
6
Unit Components
6
Control Transformer
6
Door Interlock Switch
6
Furnace Control
7
Electronic Ignition
7
Fan Time Control
7
Fan off Time Adjustment
7
Diagnostic Codes
8
Surelight Control Ignition Sequence
8
Surelight Integrated Control Board
9
Terminal Designations
9
Superlight Ignitor
9
Flame Sensor
9
Ignition Control
10
Blower Operation / Fan off Timings
10
Safety Circuits
10
Thermostat Connection
11
Troubleshooting
11
Egc 2 Diagnostic Codes
11
Blower Control A15 Terminal Designations
12
Blower Motors and Capacitors
12
Flame Rollout Switches
12
Primary Limit Control
13
Secondary Limit Controls
13
Gas Valve
13
Combustion Air Blower Prove Switch
14
Spark Electrode to Burner Gap
14
Heating Start up
15
Start up
15
Preliminary and Seasonal Checks
15
Heating System Service Checks
16
Gas Piping
16
Testing Gas Piping
16
Check Manifold Pressure
16
Proper Gas Flow
17
Manifold Adjustment
17
Flame Signal
17
Gas Meter Clocking Chart
17
External Static Pressure
18
Typical Operating Characteristics
18
Temperature Rise
18
Blower Operation and Adjustment
18
Maintenance
19
Filters
19
Heat Exchanger and Burners
19
To Clean Burners
19
Heat Exchanger Removal
20
Supply Air Blower
20
Flue and Chimney
20
Wiring and Sequence of Operation
21
Heating Sequence of Operation
22
Normal Heating Mode
22
Abnormal Heating Mode
22
Cooling Sequence of Operation
23
Manual Continuous Fan Sequence of Operation
23
Troubleshooting-Surelight Control
29
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Lennox 80UHG2X-60 Unit Information (34 pages)
80UHG Series mid−efficiency gas furnaces
Brand:
Lennox
| Category:
Furnace
| Size: 0.79 MB
Table of Contents
Table of Contents
1
Introduction
1
Specifications
2
Blower Data
3
High Altitude
4
I Unit Components
6
Installation
15
Start up
15
Heating System Service Checks
16
Typical Operating Characteristics
18
Maintenance
19
Wiring and Sequence of Operation
21
Heating Sequence of Operation
25
Surelight Troubleshooting Guide
29
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