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Lennox MS8 User Manual

Lennox MS8
12 pages
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This manual is the property of the homeowner
and must be left with the user.
2012 Lennox Industries Inc.
Dallas, Texas, USA
MS8
Single-Zone
Mini-Split System
Air Conditioners
and Heat Pumps
507022-01
10/2012
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Lennox MS8 Specifications

General IconGeneral
StagesSingle-Stage
RefrigerantR-410A
Cooling Capacity (BTU/h)18, 000-60, 000
Heating Capacity (BTU/h)18, 000-60, 000
EfficiencyUp to 10 HSPF

Summary

Safety Warnings

General Safety Precautions

Critical safety warnings for operating and maintaining the mini-split system to prevent injury or damage.

Parts Arrangement Overview

Indoor Unit Components

Details the parts of the indoor unit, including filter, louvers, and display.

Outdoor Unit Components

Details the parts of the outdoor unit, including air intake and outlet.

Operating Modes and Instructions

System Operation Details

Explains the operational parameters and ranges for Cooling, Heating, and AUTO modes.

Wireless Remote Control Functions

Core Remote Button Operations

Explanation of POWER, MODE, +/- buttons, FAN speed, and I FEEL functions.

Wireless Remote Control Settings

Temperature Unit and Timer Settings

Covers temperature unit conversion, clock, timer functions, and light control.

Advanced Fan and Timer Operations

Details on BLOW, TURBO, and SLEEP fan operations for enhanced comfort.

Remote Control Louver and Display

Louver Position Control

How to adjust the indoor unit's directional louver using the remote control.

Temperature Display Features

Using the TEMP button to view current, set, or outdoor temperatures.

System Start Up and Special Functions

General Start Up Procedure

Step-by-step guide for starting the system and setting basic parameters via remote.

Activating Special Functions

How to use SLEEP, TIMER, LIGHT, BLOW, TURBO, and I FEEL functions.

Remote Control Maintenance

Battery Replacement and Usage

Instructions for replacing batteries and important usage guidelines for the remote.

Maintenance Procedures

Indoor Unit Filter Cleaning

Detailed steps for cleaning the indoor unit's air filters for optimal performance.

Unit Surface Cleaning

Cleaning instructions for indoor and outdoor unit surfaces, with important cautions.

Troubleshooting Common Issues

Operational Problems and Solutions

Addresses common issues like unit not operating, noises, mist, and inefficient performance.

Remote and Water Leakage Troubleshooting

Troubleshooting for wireless remote malfunctions and water leakage.

System Start-Up and Error Codes

Auto ON Switch Usage

Using the Auto ON switch on the indoor unit for system operation.

Understanding Error Codes

Guide to interpreting and resolving system error codes displayed on the indoor unit.

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