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Lennox KCC092S4

Lennox KCC092S4
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UNIT INFORMATIONUNIT INFORMATION
Service Literature
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal
injury. Take care while handling this equipment and
wear gloves and protective clothing.
WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at disconnect
switch(es). Unit may have multiple power
supplies.
Table of Contents
Options . . . . . . . . . . . . . . . . . . . . . .Page 2

Blower Data . . . . . . . . . . . . . . . . . . Page 6
Electrical Data / Electric Heat Data . Page 10
Outdoor Sound Data. . . . . . . . . . . . . Page 14
I Unit Components . . . . . . . . . . . . . Page 16
II Placement and Installation . . . . . Page 27
III Start Up Operation . . . . . . . . . . . Page 27
IV Charging . . . . . . . . . . . . . . . . . . . Page 28
V System Service Checks . . . . . . . Page 34
VI Maintenance . . . . . . . . . . . . . . . . Page 34

VIII Diagrams . . . . . . . . . . . . . . . . . . Page 43

packaged cooling units are available in standard cooling
󰀩       

gle or multiple stages depending on the kW input size.
    
KCC packaged cooling units.
󰀩


 󰀩 
tube coils.
󰀨
ent energy management thermostat control systems with

tions connect to the unit with jack plugs. When ”plugged

  

subject to change. Procedures outlined in this manual are
presented as a recommendation only and do not super
sede or replace local or state codes.




WARNING
To prevent serious injury or death:
1- Lock-out/tag-out before performing maintenance.
2- If system power is required (e.g., smoke detector
maintenance), disable power to blower, remove
fan belt where applicable, and ensure all
controllers and thermostats are set to the “OFF”
position before performing maintenance.
3- Always keep hands, hair, clothing, jewelry, tools,
etc., away from moving parts.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property damage,
personal injury or loss of life. Installation and service
must be performed by a licensed professional HVAC
installer or equivalent, service agency, or the gas
supplier
KCC SERIES
7.5 to 12.5 ton

KCC092 through 150
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Lennox KCC092S4 Specifications

General IconGeneral
BrandLennox
ModelKCC092S4
CategoryAir Conditioner
LanguageEnglish

Summary

Electrical and Electric Heat Data

7.5 Ton ElectricalHeat Data

Electrical and electric heat data for 7.5 ton model.

8.5 Ton ElectricalHeat Data

Electrical and electric heat data for 8.5 ton model.

10 Ton ElectricalHeat Data

Electrical and electric heat data for 10 ton model.

12.5 Ton ElectricalHeat Data

Electrical and electric heat data for 12.5 ton model.

Electric Heat Capacities

Details electric heat capacities.

Unit Components

Electrostatic Discharge (ESD) Precautions

Precautions for handling electronic components.

Plumbing and Refrigerant Circuits

Safety or Emergency Shutdown

Procedures for safety shutdown.

Refrigerant Charging Procedures

All Aluminum Outdoor Coil Charging

Charging procedures for all-aluminum coils.

FinTube Coil Charging and Check

Procedures for charging fin/tube coils.

Charge Verification - Approach Method

Verifying charge using the approach method.

System Service Checks and Maintenance

Cooling System Service Checks

Specific checks for the cooling system.

Routine Maintenance

Routine maintenance procedures for filters, coils, and electrical.

Electrical Checks

Electrical checks for the unit.

Economizer Operation and Controls

Enthalpy Controller Operation

Details on the A6 enthalpy controller and setpoints.

Wiring Diagrams and Sequence of Operation

Wiring Diagrams Overview

Reference to wiring diagrams for various components.

Unit Sequence of Operation

Describes the unit's sequence of operation for cooling.

1 st Stage Cooling

Operation during first stage cooling.

2 nd Stage Cooling

Operation during second stage cooling.

Electric Heat Sequence of Operation

First Stage Electric Heat

Operation during first stage electric heat.

Second Stage Electric Heat

Operation during second stage electric heat.

Thermostat Wiring Diagrams

Electronic or Electromechanical Thermostat Wiring

Wiring diagram for electronic or electromechanical thermostats.

Economizer Wiring Diagram

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