Lennox M22A012S4-1P User Manual

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

Lennox M22A012S4-1P Specifications

General

Brand	Lennox
Model	M22A012S4-1P
Category	Air Conditioner
Language	English

Summary

SECTION 3 - INSTALLATION DIMENSIONS OF OUTDOOR UNITS

SECTION 3.1 - SINGLE ZONE INSTALLATION DIMENSIONS

Shows installation dimensions for single zone MPA outdoor units by model.

MPA009S4S, MPA012S4S, MPA018S4S Dimensions

Provides dimensional drawings for MPA009S4S, MPA012S4S, and MPA018S4S outdoor units.

MPA024S4S, MPA030S4S, MPA036S4S Dimensions

Shows dimensional drawings for MPA024S4S, MPA030S4S, and MPA036S4S outdoor units.

MPA048S4S Dimensions

SECTION 3.2 - MULTI-ZONE INSTALLATION DIMENSIONS

MPA018S4M Dimensions

MPA030S4M, MPA036S4M Dimensions

MPA048S4M Dimensions

SECTION 3.3 - MPA OUTDOOR UNIT CLEARANCES

Outdoor Unit Clearances

SECTION 4 - INSTALLATION DIMENSIONS OF INDOOR UNITS

SECTION 4.1 - M22A COMPACT CASSETTE

M22A Indoor Cassette Units Dimensions

M22A Indoor Cassette Units Clearances

SECTION 4.2 - M33A CASSETTE UNIT

M33A Indoor Units Dimensions

M33A Indoor Units Clearances

SECTION 4.3 - MMDA DUCTED UNIT

MMDA Indoor Units Dimensions

MMDA Indoor Units Clearances

SECTION 4.4 - MWMA WALL MOUNTED UNIT

MWMA Indoor Units Dimensions

MWMA Indoor Units Clearances

SECTION 4.5 - MCFA CEILING/FLOOR UNIT

MCFA Indoor Units Dimensions

MCFA Indoor Units Clearances

SECTION 7 - POWER WIRING FOR OUTDOOR & INDOOR UNITS

SECTION 9 - WIRING DIAGRAMS

SECTION 9.1 - SINGLE ZONE WIRING DIAGRAMS

Presents wiring diagrams for various single zone outdoor units (115V and 208/230V).

115V MPA009S4S-1L and MPA012S4S-1L Outdoor Unit Wiring Diagram

Provides the wiring diagram for 115V MPA009S4S-1L and MPA012S4S-1L outdoor units.

208/230V MPA009S4S-1P and MPA012S4S-1P Outdoor Unit Wiring Diagram

Shows the wiring diagram for 208/230V MPA009S4S-1P and MPA012S4S-1P outdoor units.

208/230V MPA018S4S-1P Outdoor Unit Wiring Diagram

Provides the wiring diagram for the 208/230V MPA018S4S-1P outdoor unit.

208/230V MPA024S4S-1P Outdoor Unit Wiring Diagram

Shows the wiring diagram for the 208/230V MPA024S4S-1P outdoor unit.

208/230V MPA030S4S-1P Outdoor Unit Wiring Diagram

Presents the wiring diagram for the 208/230V MPA030S4S-1P outdoor unit.

208/230V MPA036S4S-1P Outdoor Unit Wiring Diagram

Provides the wiring diagram for the 208/230V MPA036S4S-1P outdoor unit.

208/230V MPA048S4S-1P Outdoor Unit Wiring Diagram

Shows the wiring diagram for the 208/230V MPA048S4S-1P outdoor unit.

SECTION 9.1 - MULTI-ZONE WIRING DIAGRAMS

Presents wiring diagrams for multi-zone outdoor units.

208/230V MPA018S4M-1P Outdoor Unit Wiring Diagram

Provides the wiring diagram for the 208/230V MPA018S4M-1P multi-zone outdoor unit.

208/230V MPA030S4M-1P Outdoor Unit Wiring Diagram

Shows the wiring diagram for the 208/230V MPA030S4M-1P multi-zone outdoor unit.

MPA036S4M-1P Outdoor Unit Wiring Diagram

Provides the wiring diagram for the MPA036S4M-1P multi-zone outdoor unit.

MPA048S4M-1P Outdoor Unit Wiring Diagram

Shows the wiring diagram for the MPA048S4M-1P multi-zone outdoor unit.

SECTION 9.1 - INDOOR UNIT WIRING DIAGRAMS

Presents wiring diagrams for various indoor unit types.

MWMA Unit Wiring Diagram

Provides the wiring diagram for the MWMA indoor unit.

M22A009S4-1P, M22A012S4-1P, M22A018S4-1P, M33A024S4-1P Unit Wiring Diagram

Shows wiring diagrams for M22A and M33A cassette indoor units.

M33A036S4-1P & M33A048S4-1P Unit Wiring Diagram

Provides wiring diagrams for M33A036S4-1P and M33A048S4-1P cassette indoor units.

MMDA024S4-1P Ducted Units Wiring Diagram

Shows the wiring diagram for the MMDA024S4-1P ducted indoor unit.

MMDA036S4-1P & MMDA048SA-1P Ducted Units Wiring Diagram

Provides wiring diagrams for MMDA036S4-1P and MMDA048SA-1P ducted indoor units.

MMDA009S4-1P, MMDA012S4-1P, MMDAA018S4-1P Ducted Units Wiring Diagram

Shows wiring diagrams for MMDA009S4-1P, MMDA012S4-1P, and MMDAA018S4-1P ducted units.

MCFA024S4-1P Unit Wiring Diagram

Provides the wiring diagram for the MCFA024S4-1P indoor unit.

MCFA036S4-1P Unit Wiring Diagram

Shows the wiring diagram for the MCFA036S4-1P indoor unit.

MCFA048S4-1P Unit Wiring Diagram

Provides the wiring diagram for the MCFA048S4-1P indoor unit.

SECTION 11 - CONTROLS

SECTION 12 - START UP

SECTION 13 - FAULT CODES

SECTION 13.1 - QUICK REFERENCE GUIDE - FAULT CODES

Offers a quick reference table for fault codes across different unit types.

Single Zone 009/012 115VAC/208-230VAC Outdoor Units Quick Reference

Single Zone 018/030 208-230VAC Outdoor Units Quick Reference

Multi-Zone Outdoor Units Quick Reference

Indoor Unit Fault Code Units Quick Reference For ALL Indoor Units

SECTION 13.2 - TROUBLESHOOTING SINGLE ZONE OUTDOOR UNITS

Offers troubleshooting steps for fault codes on single zone outdoor units.

SECTION 13.3 - TROUBLESHOOTING MULTI-ZONE OUTDOOR UNITS

Provides troubleshooting guidance for fault codes found in multi-zone outdoor units.

SECTION 13.4 - INDOOR UNIT FAULT CODES

Details fault codes and their meanings for all indoor units.