Table Of Contents - Lennox G71MPP-36B-070 Installation Instructions Manual

Table of Contents

Table Of Contents1
What To Do If You Smell Gas1
Unit Dimensions2
Front View2
Side View2
Air Outlet2
Parts Arrangement3
Heat Exchanger3
Gas Furnace4
Direct Vent Installation4
Shipping And Packing List4
General6
Installation - Setting Equipment6
Upflow Application6
Downflow Application6
Horizontal Application6
Installation Clearances7
Return Air Upflow Units7
Upflow Applications7
Removing The Bottom Panel8
Side Return Air8
Optional Return Air Base8
Setting An Upflow Unit9
Downflow Application Installation Clearances9
Leveling Bolt Installation9
Downdlow Applications9
Additive Base Floor Opening Size10
Installation On Cooling Coil Cabinet10
Return Air Opening10
Horizontal Applications11
Typical Horizontal Application11
Suspended Installation Of Horizontal Unit11
Platform Installation Of Horizontal Unit11
Filters12
Unit Heater Discharge Duct Guidelines12
Installed In Unit Heater Applications12
Duct System13
Piping And Fitting Specifications13
Supply Air Plenum13
Return Air Plenum13
Outdoor Termination Kits And Corresponding Equivalencies14
Vent Pipe Sizing Worksheet14
Vent Piping Guidelines15
Exhaust Pipe Offset15
Maximum Vent Lengths15
Joint Cementing Procedure16
Maximum Vent Pipe Lengths16
Minimum Vent Pipe Lengths16
Venting Practices17
Exhaust Piping17
Typical Exhaust Pipe Connections And Condensate Trap Installation18
Typical Air Intake Pipe Connections19
Vent Termination Clearances20
Exhaust Pipe Termination Size Reduction21
Direct Vent Concentric Rooftop Termination22
Direct Vent Wall Termination Kit22
Direct Vent Concentric Wall Termination22
Direct Vent Termination23
Condensate Trap Locations23
Condensate Piping23
Condensate Assembly24
Gas Piping25
Leak Check25
Upflow Application Right Side Piping25
Left Side Piping25
Possible Gas Piping Configerations26
Gas Pipe Capacity26
Electrical27
Electrostatic Discharge27
Interior Make Up Box Installation27
Typical Field Wiring Diagram28
Thermostat Selection28
Indoor Blower Speeds28
Field Wiring Applications29
Integrated Control33
Thermostat Selection Switch Settings34
Heating Operation Dip Switch Settings34
Blower Off Delay Switch Settings34
Continuous Indoor Blower Operation34
Cooling Mode Blower Speeds35
Cooling Mode Blower Speed Ramping35
Ramping Option35
Motor Test35
Low Heat Blower Speeds36
High Heat Blower Speed36
Error Code Recall Mode36
Field Test Mode36
Dip Switch Settings36
Operating Sequence38
No Call For Dehumidification39
Room Thermostat Calls For First Stage Cooling39
Room Thermostat Calls39
Blower Motor Performance40
Heating Blower Performance40
Cooling Blower Performance40
Unit Start-Up51
Placing The Furnace Into Operation51
Gas Valve Operation51
Priming Condensate Trap51
Foryour Safety Read Before Operating51
Gas Pressure Measurement52
Turning Off Gas To Unit52
Gas Flow52
Manifold Pressure Measurement52
High Altitude Information53
Conversion Kit Requirements And Manifold Test Pressures53
Other Unit Adjustments54
Primary And Secondary Limits54
Flame Rollout Switches54
Pressure Switches54
Heating Sequence Of Operation55
Applications Using A Two-Stage Thermostat55
Service57
Cleaning Heat Exchanger57
Blower57
Exhaust And Air Intake Pipes57
Cleaning The Burner Assembly58
Integrated Control Diagnostic Codes59
Troubleshooting60
Ignition And Call For Low Fire With Two-Stage Thermostat60
Call For High Fire With Two-Stage Thermostat61
Call For Heat Satisfied62
Ignition And Call For Heat With Single-Stage Thermostat63
Call For Cooling64
Continuous Low Speed Indoor Blower Sequence Of Operation65
Repair Parts List66
Start-Up & Performance Check List66
Cabinet Parts66
Heating Parts66