LG GEN2 Series Installation And Operation Manual page 5

Routine Maintenance-----------------------------------------------------------------------------------------------------------56
- Monthly
- Semiannually
- Annually
- Units with Packaged DX, Semiannually
Maintenance Procedure-------------------------------------------------------------------------------------------------------58
- Lubrication
- Dampers
- Gas Furnace
- Fan Motors
- Fan Wheel and Fasteners
- Internal Filter Maintenance
- External Filter Maintenance
- Coil Maintenance
Reference -------------------------------------------------------------------------------------------------------------------------60
- Venting Connection Locations
- Rated Airflow
Indirect Gas-Fired Furnaces as-Fired Furnaces
General Safety Information ---------------------------------------------------------------------------------------------------62
Receiving, Un-packaging, Storage ------------------------------------------------------------------------------------------63
Unit Identification---------------------------------------------------------------------------------------------------------------- 63
Furnace Model Number--------------------------------------------------------------------------------------------------------63
Burner Control Turndown -----------------------------------------------------------------------------------------------------63
Furnace Serial Number --------------------------------------------------------------------------------------------------------63
ETL Listing-------------------------------------------------------------------------------------------------------------------------63
Product Overview----------------------------------------------------------------------------------------------------------------63
Furnace Control Center--------------------------------------------------------------------------------------------------------64
- Furnace Control Center Components
- Typical Furnace Control Logic
Typical Furnace, Electrical and Control Components ------------------------------------------------------------------65
Gas-Fired Burner Turndown --------------------------------------------------------------------------------------------------66
- Electronic Modulation
- Combinations
- Available Turndown Control Options
Installation of Venting for Outdoor Units---------------------------------------------------------------------------------------67
Installation of Venting for Indoor Units-----------------------------------------------------------------------------------------67
Venting Methods---------------------------------------------------------------------------------------------------------------------68
Installation of Standard Indoor Venting----------------------------------------------------------------------------------------68
- Horizontal
- Vertical
Installation of Concentric Venting------------------------------------------------------------------------------------------------69
- Horizontal
- Vertical
- Two-Pipe Venting - Horizontal
- Two-Pipe Venting - Vertical
Installation of Control Wiring-------------------------------------------------------------------------------------------------------71
Installation of Discharge Air Sensor----------------------------------------------------------------------------------------------71
Installation of Gas Piping -----------------------------------------------------------------------------------------------------------72