Lennox KCA060

©2015
Litho U.S.A.
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....................................
Requirements Page 4...............................
Unit Support Page 5................................
Duct Connection Page 5............................
Rigging Unit For Lifting Page 6.......................
Horizontal Air Discharge Page 6......................
Condensate Drains Page 6..........................
Gas Piping Page 8.................................
Pressure Test Gas Piping Page 9.....................
High Altitude Derate Page 9.........................
Electrical Connections Page 9.......................
Blower Operation and Adjustments Page 11............
Cooling Start-Up Page 42............................
Gas Heat Start-Up Page 51...........................
Heating Operation and Adjustments Page 52............
Electric Heat Start-Up Page 52........................
Service Page 53....................................
INSTALLATION
INSTRUCTIONS
KGB/KCB024
KGB/KCB030
KGA/KCA036
KGB/KCB036
KGA/KCA048
KGB/KCB048
KGA/KCA060
KGB/KCB060
KGA/KCA072
KGB/KCB072
KGB/KCB074
KGA/KCA090
2-Ton
2-1/2-Ton
3-Ton
3-Ton
4-Ton
4-Ton
5-Ton
5-Ton
6-Ton
6-Ton
6-Ton
6-Ton
7-1/2 Ton
GAS AND COOLING PACKAGED UNITS
507348-04
12/2015
Supersedes 507348-01, -02, -03
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
KG SHOWN

Lennox KCA060 Specifications

General

Cooling Capacity	60, 000 BTU/hr
Refrigerant Type	R-410A
Voltage	208/230V
Phase	1
Sound Level (Outdoor Unit)	74 dBA

Summary

Installation Instructions

Unit Support and Mounting

Instructions for proper installation support on roofs or surfaces.

Gas Piping Connections

Procedures for connecting gas supply, including local codes and pressures.

Pressure Test Gas Piping

Safety precautions and methods for testing gas piping for leaks.

Electrical Connections and Power Supply

Guidance on power supply connections, wiring, and safety.

Control Wiring and Thermostat Setup

Instructions for thermostat location, wiring, and connection to the unit.

Blower Operation and Adjustments

Blower Operation Modes

How the blower operates based on thermostat settings and system demands.

Determining CFM - Direct Drive Blowers

Method to measure airflow and adjust blower speed for direct drive units.

Determining CFM - Belt Drive Blowers

Blower Belt Adjustment Procedures

Refrigerant Charge and Check Procedures

FinTube Coil Refrigerant Charge

Procedure for checking refrigerant charge in fin/tube coils for specific models.

Approach Method for FinTube Coils

All-Aluminum Coil Refrigerant Charge

Procedure for checking refrigerant charge in all-aluminum coils for specific models.

Refrigerant Charging Curves

Graphical data to determine correct refrigerant charge based on pressures and temperatures.

Gas Heat Start-Up and Operation

Placing Unit In Operation (Gas Units)

Step-by-step guide for safely starting the unit and its ignition system.

Turning Off Gas to Unit

Heating Operation and Adjustments

Electric Heat Start-Up

Service and Maintenance Procedures

Burner Inspection and Cleaning

Combustion Air Inducer Cleaning

Supply Air Blower Wheel Replacement