Toshiba MCY-MHP0404HS(J)-E User Manual

FILE NO. A10-1510
SERVICE MANUAL
AIR-CONDITIONER (MULTI TYPE)
O
UTDOOR UNIT
Model name:
This service manual provides relevant explanations about new outdoor unit.
Please refer to the following service manuals for each indoor units.
MCY-MHP0404HS(J)-E/0504HS(J)-E/0604HS(J)-E
MCY-MHP0404HS-TR/0504HS-TR/0604HS-TR
MCY-MHP0404HS(J)/0504HS(J)/0604HS(J)
MCY-MHP0404HS-ID/0504HS-ID/0604HS-ID
MCY-MHP0404HS-A/0504HS-A/0604HS-A
Service Manual No.
<4-way Cassette Type>
(MMU-AP****H) A08-004
(MMU-AP***4HP*) (Made in Thailand model) SVM-13011
<2-way Cassette Type>
(MMU-AP****WH*) A10-007
<Concealed Duct Standard Type>
(MMD-AP***6BHP*) (Made in Thailand model) SVM-14069
<Slim Duct Type>
(MMD-AP024, A0274SPH*) A12-005
<Concealed Duct High Static Pressure Type>
(MMD-AP***6HP*) (Made in Thailand model) SVM-15032
<High-wall Type>
(MMK-AP***4MH*) (Made in Thailand model) SVM-09059
(MMK-AP***3H*) (Made in Thailand model) A10-034
<Console Type>
(MML-AP****NH*) (Made in Thailand model) SVM-11036
<Ceiling Type>
(MMC-AP***7HP*) (Made in Thailand model) SVM-13085
<Floor Standing Type>
(MMF-AP***6H*) A10-1420
<Other indoor units>
(MM*-AP*****H*) A10-033
A10-1510.indb1A10-1510.indb1 2016/04/0817:20:032016/04/0817:20:03

Toshiba MCY-MHP0404HS(J)-E Specifications

General

Category	Air Conditioner
Cooling Capacity	4.0 kW
Heating Capacity	4.5 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R410A
Indoor Unit Weight	9.5 kg
Type	Split System
Energy Efficiency Ratio (EER)	3.5
Energy Efficiency Ratio (Cooling)	3.5

Summary

Air Conditioner Warning Indications

General Safety Precautions

Outdoor Unit Control Functions

Outdoor Unit Control Operations

Detailed explanation of the control functions and logic for the outdoor unit.

Outdoor Unit Applied Control Functions

Various Applied Control Functions

Test Operation Procedures

Test Operation Procedure and Summary

Steps and overview for performing a test operation on the unit.

Pre-Test Operation Checks

Pre-operation checks for electric wiring and system connections.

Main Power-On Checks

Checks to perform on the units after main power is turned on.

Unit Address Setup Procedures

Address Setup Precautions

Important precautions to be taken before starting the address setup procedure.

Address Setup and Check Procedure

Step-by-step procedure for setting up and verifying unit addresses.

Manual and Automatic Address Setup Procedure

Detailed procedure for setting up unit addresses, including automatic and manual methods.

Central Control Address Setup

Switch Setting for Central Control

Manual Address Setting via Remote Controller

Confirming Indoor Unit Addresses via Remote Controller

Changing Indoor Unit Address via Remote Controller

Resetting Unit Addresses to Factory Default

Troubleshooting Guide

Troubleshooting Overview

General overview of troubleshooting procedures and applicable models.

Troubleshooting Before Starting

Preliminary steps and checks before initiating troubleshooting.

Troubleshooting During Test Operation

Check Codes on Remote Controller

Troubleshooting when check codes appear on the remote controller.

Remote Controller Input Rejected with Outdoor Check Code

Troubleshooting when remote controller input is rejected and outdoor unit displays a check code.

Indoor Unit Unresponsive Without Outdoor Check Code

Troubleshooting when no check code is shown, but indoor units are unresponsive.

Incorrect Unit Count Detected After Address Setup

Troubleshooting when fewer units are detected after address setup.

Test Operation Checks

Fan Operation Check

Procedure for checking the fan operation during test mode.

Cooling and Heating Test Operation Check

Steps for verifying cooling and heating operations during test mode.

Service Support Functions

Refrigerant and Control Line Connection Check

Function to check refrigerant pipes and control wiring connections.

Indoor Unit Start/Stop from Outdoor Unit

Control function to start/stop individual indoor units remotely from the outdoor unit.

Check Code Clearing Function

Outdoor Fan Operation Check

Refrigerant Leakage Detection

Method for detecting refrigerant leaks in the system.

Troubleshooting Method

Troubleshooting Using Main Remote Controller

Troubleshooting procedures using the main remote controller interface.

Troubleshooting Using TCC-LINK Central Controller

Troubleshooting procedures using the TCC-LINK central remote controller.

Check Codes and Troubleshooting Locations

TCC-LINK Central Control Device Errors

Error codes detected by the TCC-LINK central control device.

Check Code Diagnosis Procedures

7-Segment Display Functionality

Checking Procedure for Abnormal Shutdown

Sensor Characteristics

Outdoor Unit Sensor Characteristics

Pressure Sensor Output Check

Outdoor Unit Pressure Sensor Output Check

Outdoor Unit Parts Replacement Methods

Common Detachment and Attachment Procedures

Discharge Cabinet Replacement

Side Cabinet Panel Replacement

Inverter Assembly Replacement

Reactor Replacement Procedure

Fan Motor Replacement Procedure

Compressor Replacement Procedure

Detailed procedure for removing and replacing the compressor.

Compressor Installation Procedure

Steps for installing the compressor, including vacuuming and refrigerant charging.

Heat Exchanger Assembly Replacement

P.C. Board Replacement Procedures

Interface P.C. Board Replacement

Comp-IPDU P.C. Board Replacement

Fan IPDU P.C. Board Replacement

Noise Filter P.C. Board Replacement

Refrigerant Leakage Warnings

Refrigerant Concentration Limit Check

Guidelines for checking refrigerant concentration limits in installation rooms.