Lennox KGB120 - User Manual

©2017
WARNING
Improper installation, adjustment, alteration, ser
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser
vice must be performed by a licensed professional
HVAC installer or equivalent, service agency, or the
gas supplier
Table Of Contents
Dimensions Page 2.................................
Parts Arrangements Page 3.........................
Shipping and Packing List Page 4....................
General Page 4....................................
Safety Page 4.....................................
Unit Support Page 5................................
Duct Connection Page 5............................
Rigging Unit For Lifting Page 5.......................
Condensate Drains Page 6..........................
Connect Gas Piping Page 7.........................
Pressure Test Gas Piping Page 8.....................
High Altitude Derate Page 9.........................
Electrical Connections Page 9.......................
Unit Power-Up Page 10..............................
INSTALLATION
INSTRUCTIONS
KGA/KCA092
KGB/KCB092
KGA/KCA102
KGB/KCB102
KGA/KCA120
KGB/KCB120
KGB/KCB150
(7.5 Ton)
(7.5 Ton)
(8.5 Ton)
(8.5 Ton)
(10 Ton)
(10 Ton)
(12-1/2 Ton)
GAS AND COOLING PACKAGED UNITS
507118-07
8/2017
Supersedes 507118-06
Blower Operation and Adjustments Page 10............
Cooling Start-Up Page 18............................
Gas Heat Start-Up Page 28...........................
Heating Operation and Adjustments Page 29............
Electric Heat Start-Up Page 29........................
Supply Air Inverter Start-Up Page 30...................
Service Page 32....................................
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
KGA SHOWN

Lennox KGB120 Specifications

General

Brand	Lennox
Model	KGB120
Category	Air Conditioner
Language	English

Summary

Unit Overview

Unit Dimensions

Detailed physical dimensions for KG/KC units.

Parts Arrangement Diagrams

Visual identification of key components within the unit.

Installation Procedures

General Installation and Safety

Basic installation requirements, safety, and code compliance.

Unit Support, Rigging, and Ducting

Mounting, lifting, and connecting air ducts.

Condensate Drains and Gas Piping

Connecting condensate drains and gas supply piping.

Electrical Connections and Altitude Adjustments

Electrical wiring and high altitude derate procedures.

System Start-Up and Operation

Unit Power-Up and Blower Setup

Steps for applying power and configuring the blower.

Cooling, Heating, and Inverter Start-Up

Procedures for starting cooling, heating, and inverter systems.

Service and Maintenance

Filters, Burners, and Inducer Maintenance

Procedures for filter, burner, and inducer upkeep.

Coil Cleaning Procedures

Methods for cleaning evaporator and condenser coils.