Toshiba MCY-MHP0504HT-E User Manual

FILE NO. A10-1405
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.
Produces in Japan, May.2014 IDEA
MCY-MHP0404HT-C/0504HT-C/0604HT-C
MCY-MHP0404HT(J)-E/0504HT(J)-E/0604HT(J)-E
MCY-MHP0404HT-TR/0504HT-TR/0604HT-TR
MCY-MHP0404HT(J)/0504HT(J)/0604HT(J)
MCY-MHP0404HT-A/0504HT-A/0604HT-A
MCY-MHP0404HT-SG/0504HT-SG/0604HT-SG
MCY-MHP0404HT-ID/0504HT-ID/0604HT-ID
<4-way Cassette Type>
(MMU-AP****H) A08-004 A08-004
(MMU-AP****H-C) A08-004 A11-008
(MMU-AP***4HP*) (Made in Thailand model) SVM-13011 SVM-13011
(MMU-AP***4HY-C) (Made in China model) A10-1402 A10-1402
<2-way Cassette Type>
(MMU-AP****WH*) A10-007 A10-007
(MMU-AP****WH-C) A10-007 A11-008
<Concealed Duct Standard Type>
(MMD-AP***4BH-C) A10-033 A11-008
(MMD-AP***6BH*) SVM-13087 SVM-13087
<Slim Duct Type>
(MMD-AP***4SPH*) A12-005 A12-005
(MMD-AP***4S(P)H-C) A12-005 A11-008
(MMD-AP***6M(P)HY-C) (Made in China model) A10-1403 A10-1403
<High-wall Type>
(MMK-AP***4MH*) (Made in Thailand model) SVM-09059 SVM-09059
(MMK-AP***3H*) (Made in Thailand model) A10-034 A10-034
<Console Type>
(MML-AP****NH*) (Made in Thailand model) SVM-11036 SVM-11036
<Ceiling Type>
(MMC-AP***7HP*) (Made in Thailand model) SVM-13085 SVM-13085
<Other indoor units>
(MM*-AP*****H*) A10-033 A10-033
(MM*-AP*****H-C) (Made in Japan model) A10-033 A11-008
(Made in China model) SVMA-07010 SVMA-07010
Service contents Service parts

Toshiba MCY-MHP0504HT-E Specifications

General

Brand	Toshiba
Model	MCY-MHP0504HT-E
Category	Air Conditioner
Language	English

Summary

TOSHIBA SERVICE MANUAL AIR-CONDITIONER (MULTI TYPE)

OUTDOOR UNIT

Covers details specific to the outdoor unit of the air conditioner.

Definition of Qualified Installer or Qualified Service Person

Definition of Protective Gear

Warning indications on the air conditioner unit

Precautions for safety

New refrigerant (R410A)

Safety caution concerned to new refrigerant

Highlights safety considerations specific to R410A refrigerant handling.

Cautions on installation / service

Provides essential cautions for installation and service involving R410A.

Pipe materials

Specifies recommended materials and standards for refrigerant piping.

Tools

1 Product summary

1-1. Outdoor unit

Details specifications and models of the outdoor unit.

1-2. Connectable indoor units

Lists compatible indoor units for the outdoor unit system.

1-3. Branching joints and headers

Describes branching joints and headers used in refrigerant piping.

1-4. PMV kit

Information about the PMV kit used in the system.

2 Construction views

3 Wiring diagram

4 Parts rating

4-1. Outdoor unit

Details the parts and their ratings for the outdoor unit.

4-2. Outdoor inverter

Specifies parts and ratings for the outdoor inverter unit.

4-3. Other parts for Australia DRED (Demand response enabling device)

Lists additional parts for Australia DRED (Demand Response Enabling Device).

4-4. Parts layout in outdoor unit

4-5. Parts layout in inverter assembly

4-5-1. Parts Layout in inverter assembly (for Australia (-A) model)

Specific parts layout for the Australia (-A) model inverter assembly.

4-6. Outdoor (inverter) print circuit board

4-6-1. Interface P.C. board (MCC-1639)

Information on the Interface P.C. board (MCC-1639).

4-6-2. Inverter P.C. board for compressor (MCC-1647) A3-IPDU

Details the Inverter P.C. board for the compressor (MCC-1647).

4-6-3. Fan motor IPDU (MCC-1597) for upper fan and lower fan

Information on the Fan motor IPDU (MCC-1597).

4-6-4. Noise filter (MCC-1551)

Details the Noise filter P.C. board (MCC-1551).

5 Refrigerant piping systematic drawing

Explanation of functional parts

6 Control outline

7 Applied control for outdoor unit

7-1. Outdoor fan high static pressure shift

Adjusts outdoor fan speed for high static pressure applications.

7-2. Priority operation mode setting

Allows setting priority for cooling or heating operation modes.

7-3. Applied control of outdoor unit

Describes specific control functions applied to the outdoor unit.

7-4. Demand response for Australia

Explains demand response functionality for Australia as per AS/NZS 4755.3.1.

8 Test operation

8-1. Procedure and summary of test operation

Outlines the steps and summary for conducting test operations.

8-2. Check items before test operation (before powering-on)

Lists essential checks to perform before initiating test operations.

8-3. Check at main power-on

Verifies system status and checks after applying main power.

8-4. Address setup

Instructions for setting up unit addresses for proper system communication.

8-5. Troubleshooting in test operation

Comprehensive guide to diagnosing and resolving system faults and errors.

8-6. Test operation check

Procedures for checking the results of test operations.

8-7. Service support function

Details various service support functions for system maintenance and checks.

9 Troubleshooting

9-1. Overview

General introduction to troubleshooting procedures and applicable models.

9-2. Troubleshooting method

Methodologies for identifying and resolving faults based on check codes.

9-3. Troubleshooting based on information displayed on remote controller

Guides troubleshooting using information displayed on the remote controller.

9-4. Check codes displayed on remote controller and outdoor unit (7-segment display on I/F board) and locations to be checked

Lists check codes and their corresponding locations for diagnosis.

9-5. Diagnosis procedure for each check code

Detailed diagnostic procedures for specific error check codes.

9-6. 7-segment display function

Explains the use of the 7-segment display for checking operational status and codes.

9-7. Sensor characteristics

Provides characteristic data for various sensors used in the system.

9-8. Pressure sensor output check

Details how to check the output of pressure sensors for accurate readings.

10 Outdoor unit parts replacement methods

11 P.C. board exchange procedures

11-1. Interface P.C. board replacement procedure (MCC-1639)

Steps to replace the Interface P.C. board (MCC-1639).

11-2. Comp-IPDU P.C. board replacement procedure (MCC-1647)

Steps to replace the Comp-IPDU P.C. board (MCC-1647).

11-3. Fan IPDU P.C. board replacement procedure (MCC-1597)

Steps to replace the Fan IPDU P.C. board (MCC-1597).

11-4. Noise filter P.C. board replacement procedure (MCC-1551)

Steps to replace the Noise filter P.C. board (MCC-1551).

12 Exploded diagram / parts list

WARNINGS ON REFRIGERANT LEAKAGE

Check of Concentration Limit

Details the concentration limits for refrigerant gas in rooms.