Mitsubishi Electric TRANE NTXWST12A112AA User Manual

CONTENTS
1. TECHNICAL CHANGES
·······································
2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 6
4. OUTLINES AND DIMENSIONS ························ 8
5. WIRING DIAGRAM ·········································· 10
6. REFRIGERANT SYSTEM DIAGRAM ············· 12
7. SERVICE FUNCTIONS ··································· 13
8. MICROPROCESSOR CONTROL ··················· 15
9. TROUBLESHOOTING ····································· 23
10. DISASSEMBLY INSTRUCTIONS ···················· 41
Outdoor unit service manual
NTXSST•A112AA, NTYSST•A112AA Series (OBHT733)
NTXMMX•A•AA, NTXMPH•A•AA Series (OCHT573)
PARTS CATALOG (OBBT732)
NTXWST18A112AA
NTYWST18A112AA
INDOOR UNIT
SERVICE MANUAL
INDOOR UNIT
Models
NTXWST06A112AA
NTXWST09A112AA NTYWST09A112AA
NTXWST12A112AA NTYWST12A112AA
NTXWST15A112AA NTYWST15A112AA
NTXWST18A112AA NTYWST18A112AA
NTXWST24A112AA NTYWST24A112AA
No. OBHT732

Mitsubishi Electric TRANE NTXWST12A112AA Specifications

General

Brand	Mitsubishi Electric
Model	TRANE NTXWST12A112AA
Category	Air Conditioner
Language	English

Summary

2 PART NAMES AND FUNCTIONS

3 SPECIFICATION

Operating Range and Airflow Specifications

5 WIRING DIAGRAM

Electrical Connections Overview

Illustrates the electrical wiring connections for the indoor unit's components and control systems.

6 REFRIGERANT SYSTEM DIAGRAM

Refrigerant Flow and Components

Shows the refrigerant flow paths and key components within the air conditioning system.

8 MICROPROCESSOR CONTROL

Remote Controller and Unit Display

Various Operating Modes

Timer and Special Operations

9 TROUBLESHOOTING

Cautions and Basic Troubleshooting

Failure Mode Recall and Indicator Interpretation

Explains how to recall failure modes and interpret indicator lamp patterns.

Component Testing and Troubleshooting Flows

Details component resistance checks, troubleshooting flows, and PC board diagnostics.