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Lennox MWMA009S4-*L

Lennox MWMA009S4-*L
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MINI-SPLIT SYSTEMS SERVICE MANUAL
CORP1602-L9
3/2017
Supersedes 10/2016
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) or service agency

Table of Contents

Other manuals for Lennox MWMA009S4-*L

Questions and Answers:

Lennox MWMA009S4-*L Specifications

General IconGeneral
BrandLennox
ModelMWMA009S4-*L
CategoryAir Conditioner
LanguageEnglish

Summary

Single and Multiple Zone Outdoor Units

MPA Single-Zone Specifications Outdoor Units (0.75 - 1.5 Ton)

Provides technical specifications for MPA single-zone outdoor units from 0.75 to 1.5 tons.

MPA Single-Zone Specifications Outdoor Units (2.0 - 4.0 Ton)

Details technical specifications for MPA single-zone outdoor units from 2.0 to 4.0 tons.

MPB Single-Zone Specifications Outdoor Units (0.75 - 1.5 Ton)

Lists technical specifications for MPB single-zone outdoor units from 0.75 to 1.5 tons.

MPB Single-Zone Specifications Outdoor Units (2 - 4 Ton)

Provides technical specifications for MPB single-zone outdoor units from 2 to 4 tons.

MLA Single-Zone Specifications Outdoor Units (0.75 - 2 Ton)

Details technical specifications for MLA single-zone outdoor units from 0.75 to 2 tons.

MPA Multi-Zone Specifications Outdoor Units (1.5 - 2.5 Ton)

Provides technical specifications for MPA multi-zone outdoor units from 1.5 to 2.5 tons.

MPA Multi-Zone Specifications Outdoor Units (3 - 4 Ton)

Details technical specifications for MPA multi-zone outdoor units from 3 to 4 tons.

MPB Multi-Zone Specifications Outdoor Units (1.5 - 2.5 Ton)

Provides technical specifications for MPB multi-zone outdoor units from 1.5 to 2.5 tons.

MPB Multi-Zone Specifications Outdoor Units (3 - 4 Ton)

Details technical specifications for MPB multi-zone outdoor units from 3 to 4 tons.

MLA Multi-Zone Specifications Outdoor Units (1.5 - 3 Ton)

Provides technical specifications for MLA multi-zone outdoor units from 1.5 to 3 tons.

M22 A, M33 A and M33 B Cassette Non-Ducted Indoor Units

M22 A Indoor Unit Specifications

Provides detailed specifications for the M22A cassette indoor unit.

M33 A and M33 B Indoor Unit Specifications

Lists specifications for M33A and M33B cassette indoor units.

MMDA Ducted Indoor Units

Indoor Unit Specifications

Provides technical specifications for MMDA ducted indoor units.

MWMA and MWMB Wall Mounted Indoor Units

Indoor Unit Specifications (009 - 012 Ton) Units

Provides specifications for MWMA/MWMB units of 0.75 to 1 ton.

Indoor Unit Specifications (018 - 030 Ton) Units

Details specifications for MWMA/MWMB units of 1.5 to 2.5 tons.

MCFA and MCFB Ceiling Floor Indoor Units

Indoor Unit Specifications (018 - 048 Ton) Units

Provides specifications for MCFA/MCFB units of 1.5 to 4 tons.

Indoor Outdoor Unit Combinations

MPA Multi-Zone System Combinations

Lists valid indoor/outdoor unit combinations for MPA multi-zone systems.

MPB Multi-Zone System Combinations

Lists valid indoor/outdoor unit combinations for MPB multi-zone systems.

MLA Multi-Zone System Combinations

Lists valid indoor/outdoor unit combinations for MLA multi-zone systems.

Refrigeration Pipe Work

MPA, MPB and MLA Outdoor Unit Connections and Line Set Usage

Power Wiring for Outdoor and Indoor Units (Diagrams)

Outdoor Unit Diagrams

Indoor Unit Diagrams

Condensate Pipe Work Installation

Controls

Connection to Centralized Controller

Set Indoor Unit Address for Centralized Control

Explains how to set unique addresses for indoor units connected to a controller.

Start-Up

Adding Refrigerant - Single-Zone Systems

Guides on calculating and adding refrigerant for single-zone systems.

Adding Refrigerant - Multi-Zone Systems

Provides instructions for adding refrigerant to multi-zone systems.

Test Run - MWDA and MWMB

Outlines the steps and checks for performing a test run.

Quick Reference Guide - Error Codes

Troubleshooting Outdoor Unit Error Codes

Error Code: E2

Troubleshooting steps for communication malfunction between units.

Error Code: E3

Troubleshooting steps for communication error between main control and IPM.

Error Code: E4

Troubleshooting steps for temperature sensor errors.

Indoor Unit Indicators and Controls

Troubleshooting Indoor Unit Error Codes

Error Code: E0

Troubleshooting steps for Indoor Unit EEPROM malfunction.

Error Code: E1

Troubleshooting steps for communication malfunction between indoor and outdoor units.

Component Troubleshooting

Compressor Check

Guides on checking compressor windings resistance and identifying terminals.

IPM Check

Details how to measure resistance values for IPM components.

Component Protection

Specifications and Operations

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