Table of Contents
Advertisement
©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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
INSTALLATION
INSTRUCTIONS
KGA/KCA092
KGA/KCA102
KGA/KCA120
KGA/KCA150
GAS AND COOLING PACKAGED UNITS
507118-06
4/2017
Supersedes 10/2016
Page 2
Page 3
Page 4
Page 4
Page 4
Page 5
Page 5
Page 5
Page 6
Page 7
Page 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(7.5 Ton)
(8.5 Ton)
(10 Ton)
(12-1/2 Ton)
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
KGA SHOWN
Page 9
Page 9
Page 10
Page 10
Page 18
Page 26
Page 27
Page 27
Page 28
Page 30
Advertisement
Table of Contents
Related Manuals for Lennox KCA150
Summarization of Contents
INSTALLATION INSTRUCTIONS
Dimensions
Provides physical dimensions and layout of the unit.
Parts Arrangement
Illustrates the location of major internal components.
Shipping and Packing List
Details the contents of the unit package upon arrival.
General Installation Guidelines
Offers general advice and compliance notes for installation.
Safety Precautions
Outlines critical safety warnings and procedures for installation.
Unit Clearances
Specifies required clearance distances around the unit for safe operation.
Unit Support
Details methods for properly supporting and securing the unit.
Duct Connection
Instructions for connecting supply and return air ductwork.
Rigging Unit For Lifting
Guidelines for safely lifting and moving the unit.
Condensate Drains
Explains condensate drain connections and routing options.
Connect Gas Piping
Procedures for connecting the gas supply to the unit.
Pressure Test Gas Piping
Steps for testing the gas piping for leaks.
High Altitude Derate
Adjustments needed for unit performance at high altitudes.
Electrical Connections
Instructions for wiring power supply and control circuits.
Thermostat Location and Control Wiring
Guidance on thermostat placement and connecting control wires.
Unit Power-Up
Steps to safely apply power and prepare the unit for operation.
Blower Operation and Adjustments
Details on blower operation, phasing, and adjustments.
Determining Unit CFM
Method for calculating and setting the correct air volume (CFM).
Blower Belt Adjustment
Instructions for adjusting blower belt tension and alignment.
Cooling Start-Up Procedures
Step-by-step guide for initiating cooling operation.
Refrigerant Charge and Check
How to check and adjust refrigerant charge for optimal cooling.
Normal Operating Pressures
Tables showing expected operating pressures for various models.
Charging Curves
Graphical representation of charging parameters for various models.
Compressor Controls
Information on high pressure switches, freezestats, and crankcase heaters.
Gas Heat Start-Up
Procedures for safely starting the gas heating system.
Electric Heat Start-Up
Steps for initiating the electric heating system operation.
Inverter Start-Up
Procedures for setting up and operating the variable speed inverter.
Service and Maintenance
General service recommendations and filter replacement.
Burners (Gas Units)
Instructions for cleaning and inspecting gas burners.
Evaporator Coil
How to clean the evaporator coil for optimal cooling performance.
Condenser Coil
Guidelines for cleaning the condenser coil annually.
Need help?
Do you have a question about the KCA150 and is the answer not in the manual?
Questions and answers