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Mitsubishi Heavy Industries TC-PSA-25W-E User Manual

Mitsubishi Heavy Industries TC-PSA-25W-E
112 pages
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INVERTER RESIDENTIAL AIR CONDITIONERS
(Split system, air to air heat pump type)
Ceiling cassette-4way compact type
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TECHNICAL MANUAL
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Mitsubishi Heavy Industries TC-PSA-25W-E Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelTC-PSA-25W-E
CategoryAir Conditioner
LanguageEnglish

Summary

3. ELECTRICAL WIRING

(1) Indoor units

Wiring diagram for the indoor unit, showing component connections.

(2) Outdoor units

Wiring diagram for the outdoor unit, detailing power and circuit connections.

8. APPLICATION DATA

8.1 Installation of indoor unit

Step-by-step guide for installing the indoor unit.

8.2 Installation of outdoor unit

Safety precautions and general specifications for outdoor unit installation.

2. REFRIGERANT PIPING WORK

4) On-site piping work

Detailed steps for performing refrigerant piping, including flare connections.

4. ELECTRICAL WIRING WORK

10. MAINTENANCE DATA

10.1 Diagnosing of microcomputer circuit

Guides for diagnosing issues using the microcomputer's self-diagnosis function.

(1) Selfdiagnosis function

How to interpret error codes and LED indicators for troubleshooting.

(a) Check indicator table

Table detailing error codes, causes, and repair methods for indoor units.

(ii) Outdoor unit

Table of error codes, causes, and repair methods specific to outdoor units.

(2) Troubleshooting procedure

A general flowchart for systematic troubleshooting.

(3) Troubleshooting at the indoor unit

Guidance on diagnosing and troubleshooting indoor unit issues.

(b) Instruction of how to replace indoor control PCB

Safety precautions and steps for replacing the indoor control PCB.

Control PCB

Power PCB

(5) Inverter checker for diagnosis of inverter output

(6) Outdoor unit controller failure diagnosis circuit diagram

10.2 Troubleshooting flow

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