Lennox MPA024S4S-1P

Lennox Mini-Split Service Manual / Page 1
LENNOX MINI-SPLIT SYSTEMS
SERVICE MANUAL

Lennox MPA024S4S-1P Specifications

General

Brand	Lennox
Model	MPA024S4S-1P
Category	Air Conditioner
Language	English

Summary

SECTION 1 - OUTDOOR UNIT DATA

SECTION 1.1 - MPA SINGLE ZONE CONDENSING UNITS

Specifications and model identification for MPA single zone units.

SECTION 1.2 - MPA MULTI-ZONE CONDENSING UNIT

Specifications and model identification for MPA multi-zone units.

SECTION 2 - INDOOR UNIT DATA

SECTION 2.1 - M22 A COMPACT CASSETTE UNIT

Specifications and model identification for M22A compact cassette units.

SECTION 2.2 - M33 A CASSETTE UNIT

Specifications and model identification for M33A cassette units.

SECTION 2.3 - MMDA DUCTED UNIT

Specifications and model identification for MMDA ducted units.

SECTION 2.4 - MWMA WALL MOUNTED UNIT

SECTION 2.5 - MCFA CEILINGFLOOR UNIT

SECTION 3 - INSTALLATION DIMENSIONS OF OUTDOOR UNITS

SECTION 3.1 - SINGLE ZONE INSTALLATION DIMENSIONS

SECTION 3.2 - MULTI-ZONE INSTALLATION DIMENSIONS

SECTION 3.3 - MPA OUTDOOR UNIT CLEARANCES

SECTION 4 - INSTALLATION DIMENSIONS OF INDOOR UNITS

SECTION 4.1 - M22 A COMPACT CASSETTE

SECTION 4.2 - M33 A CASSETTE UNIT

SECTION 4.3 - MMDA DUCTED UNIT

SECTION 4.4 - MWMA WALL MOUNTED UNIT

SECTION 4.5 - MCFA CEILINGFLOOR UNIT

SECTION 5 - INDOOR UNIT COMBINATIONS

MULTI-ZONE SYSTEM COMBINATIONS

SECTION 6 - REFRIGERATION PIPE WORK

SECTION 6.1 - SINGLE ZONE REFRIGERANT CYCLE DIAGRAM

SECTION 6.2 - MULTI-ZONE REFRIGERANT CYCLE DIAGRAM

SECTION 6.1 - REFRIGERATION PIPE WORK FOR SINGE ZONE SYSTEMS

SECTION 6.2 - REFRIGERATION PIPE WORK FOR MULTI-ZONE SYSTEMS

SECTION 7 - POWER WIRING FOR OUTDOOR & INDOOR UNITS

SECTION 9 - WIRING DIAGRAMS

SECTION 9.1 - SINGLE ZONE WIRING DIAGRAMS

Presents wiring diagrams for single-zone systems.

SECTION 9.1 - MULTI-ZONE WIRING DIAGRAMS

Provides wiring diagrams for multi-zone outdoor units.

SECTION 9.1 - INDOOR UNIT WIRING DIAGRAMS

Shows wiring diagrams for various indoor unit types.

SECTION 12 - START UP

SECTION 12.1 - GENERAL START UP INFORMATION

SECTION 13 - FAULT CODES

SECTION 13.1 - QUICK REFERENCE GUIDE - FAULT CODES

Quick reference guide for fault codes across different units.

SECTION 13.2 - TROUBLESHOOTING SINGLE ZONE OUTDOOR UNITS

Troubleshooting information for single-zone outdoor units.

SECTION 13.3 - TROUBLESHOOTING MULTI-ZONE OUTDOOR UNITS

Troubleshooting information for multi-zone outdoor units.

SECTION 13.4 - INDOOR UNIT FAULT CODES

Fault codes and information for all indoor units.

Compressor Check

IPM Check

Electronic Functions Abbreviations

Capacity Request Calculation

Defrost Control

Outdoor Fan Control

Electronic Expansion Valve (EXV) Control