Lennox LCH 060 User Manual

USER'S INFORMATION
MANUAL
LGH/LCH036, 048, 060, 072
(3, 4, 5 & 6 Tons)
This book includes the following manuals:
UNIT INSTALLATION INSTRUCTIONS 507155-01
OWNER'S MANUAL 506372-01
AGENCY MANUAL 506373-01
IMC MANUAL 506215-01
ECONOMIZER INSTRUCTIONS 507030-01
IMC MODULE INSTRUCTIONS (LONTALK GATEWAY) 506217-01
IMC MODULE INSTRUCTIONS (LONTALK PRODIGY) 506693-01
WARRANTY W-022-L3

Lennox LCH 060 Specifications

General

Brand	Lennox
Model	LCH 060
Category	Air Conditioner
Language	English

Summary

INSTALLATION INSTRUCTIONS

UNIT CLEARANCES

Specifies required clearances around the unit for service and operation.

Unit Support

Explains how to properly support the unit base during installation.

Connect Gas Piping

Electrical Connections

CONTROL WIRING

Blower Operation and Adjustments

B-Determining Unit CFM

Steps to measure and determine the unit's airflow (CFM).

C-Adjusting Unit CFM - Direct Drive Blowers

D-Adjusting Unit CFM - Belt Drive Blowers

BLOWER DATA - DIRECT DRIVE - 3 TON

BLOWER DATA - DIRECT DRIVE - 4 TON

BLOWER DATA - BELT DRIVE - 3 TON

BLOWER DATA - BELT DRIVE - 4 TON

BLOWER DATA - BELT DRIVE - 5 TON

Cooling Start-Up

B-Three Phase Scroll Compressor Voltage Phasing

Critical instructions for correctly phasing three-phase scroll compressors.

C-Refrigerant Charge and Check - All-Aluminum Coil

C-Refrigerant Charge and Check - Fin/Tube Coil

D-Charge Verification - Approach Method - AHRI TESTING (Fin/Tube Coil Continued)

E-Compressor Controls

Gas Heat Start-Up (Gas Units)

Heating Operation and Adjustments (Gas Units)

Electric Heat Start-Up (LCH Units)

VCB Start-Up

B-Enter Supply Air CFM Into Unit Controller

Steps to input supply air CFM values into the unit controller.

Hot Gas Reheat Start-Up And Operation

Service

G-Condenser Coil

Safety

Unit Operation

Placing Unit Into Operation

Service Reminder

Wiring Diagrams (036, 048, 060 Units)

Wiring Diagrams (ACCESSORIES)

Wiring Diagrams (240, 300 Units)

Prodigy® LonTalk® MODULE KIT

Installation

Step-by-step instructions for installing the LonTalk module.

M2 unit controller board, expansion board locations, SmartWire connections

Startup (continued)

User interface menu

Describes how to navigate the M2 unit controller's menu system.

Alarms

Explains how to view and silence alarms displayed on the unit.

DISPLAY Interface

Unit Operation

DISPLAY Interface DISPLAY (Continued)

USB Menu

GUIDED SETUP Menu Interface

SETUP EQUIPMENT

SERVICE Menu Interface

SERVICE > TEST

How to run diagnostic tests on unit components.

DATA Menu Interface

SETTINGS Menu Interface

SETTINGS > SETPOINTS > COOLING

How to adjust cooling setpoints for the unit.

SETTINGS Menu Interface SETTINGS (Continued)

SETTINGS > SETPOINTS > DAMPER

How to adjust damper settings for economizer and airflow.

SETTINGS > CONTROL > LOCAL

SETTINGS > CONTROL > BACnet

SETTINGS > CONTROL > MSAV

How to configure multi-stage air volume settings.

SETTINGS > CONTROL > SMOKE MODE

SETTINGS > INSTALL > (all except NEW M2)

SETTINGS > INSTALL > NEW M2

Step-by-step guide for installing and configuring a new M2 unit controller.

SETTINGS > CONTROL > THERMOSTAT SETUP

SETTINGS > CONTROL > LonTalk

Economizer (Damper)

Economizer (Damper) (Continued)

Economizer Controls and Location Free Cooling Settings

Alarm Codes

M2 unit controller signal reference diagram

M2 board connections diagram

Quick Start Guide

ECONOMIZERS

Install Economizer − Downflow

ECONOMIZER INSTALLATION

Install Economizer − Horizontal

Configuring the Unit Controller

Communication Check−Out

LonWorks Network Connection

Network Integration

Prodigy® Setup

LENNOX QUALITY CARE PROGRAM EQUIPMENT LIMITED WARRANTY

COVERED EQUIPMENT

WARRANTY PROCEDURE

WARRANTY LIMITATIONS