EasyManua.ls Logo

Toshiba MCY-MHP0504HT-SG User Manual

Toshiba MCY-MHP0504HT-SG
184 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
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

Table of Contents

Questions and Answers:

Toshiba MCY-MHP0504HT-SG Specifications

General IconGeneral
Cooling Capacity (kW)5.0
Heating Capacity (kW)5.6
RefrigerantR410A
Power Supply220-240V, 50Hz
Outdoor Unit Noise Level50 dB

Summary

SERVICE MANUAL AIR-CONDITIONER (MULTI TYPE)

OUTDOOR UNIT

Manual covering the outdoor unit for multi-type air conditioners.

Precautions for safety

Test operation

8-1. Procedure and summary of test operation

Steps and overview for executing a test operation of the air conditioner.

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

Pre-operation checks to ensure proper installation before powering on.

8-3. Check at main power-on

Verification steps after turning on the main power supply.

8-4. Address setup

Procedure for setting addresses for indoor and outdoor units.

8-5. Troubleshooting in test operation

Diagnosing and resolving issues encountered during test operations.

8-6. Test operation check

Methods for checking the air conditioner's operation after installation.

8-7. Service support function

Functions for maintenance, diagnostics, and support operations.

New refrigerant (R410A)

1. Safety caution concerned to new refrigerant

Safety precautions specific to the new R410A refrigerant.

2. Cautions on installation / service

Important considerations for installing and servicing R410A systems.

3. Pipe materials

Specifications and requirements for piping materials used with R410A.

Tools

Product summary

1-1. Outdoor unit

Overview of the outdoor unit specifications and models.

1-2. Connectable indoor units

List of compatible indoor units for the outdoor unit.

Branching joints and headers

PMV kit

Construction views

Wiring diagram

Parts rating

4-1. Outdoor unit

Rating and specifications for outdoor unit components.

4-2. Outdoor inverter

Rating and specifications for outdoor inverter components.

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

Additional parts for Australia DRED system.

Parts layout in outdoor unit

Parts layout in inverter assembly

Parts Layout in inverter assembly (for Australia (-A) model)

Outdoor (inverter) print circuit board

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

Details of the Interface P.C. board (MCC-1639).

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

Fan motor IPDU (MCC-1597) for upper fan and lower fan

Noise filter (MCC-1551)

Refrigerant piping systematic drawing

Outdoor unit

Systematic drawing of refrigerant piping for the outdoor unit.

Control outline

Outdoor unit

Outline of control functions for the outdoor unit.

Applied control for outdoor unit

7-1. Outdoor fan high static pressure shift

Adjusting outdoor fan speed for high static pressure applications.

7-2. Priority operation mode setting

Settings for prioritizing cooling or heating operations.

Applied control of outdoor unit

7-3-1. Optional P.C. board of outdoor unit installation

Installation procedure for optional P.C. boards in the outdoor unit.

Power peak-cut control (standard)

Power peak-cut control (extended)

Snowfall fan control

External master ON / OFF control

Night operation (sound reduction) control

Operation mode selection control

Error / Operation output

Demand response for Australia

Test operation

8-1. Procedure and summary of test operation

Steps and overview for executing a test operation of the air conditioner.

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

Pre-operation checks to ensure proper installation before powering on.

8-3. Check at main power-on

Verification steps after turning on the main power supply.

8-4. Address setup

Procedure for setting addresses for indoor and outdoor units.

8-5. Troubleshooting in test operation

Diagnosing and resolving issues encountered during test operations.

8-6. Test operation check

Methods for checking the air conditioner's operation after installation.

8-7. Service support function

Functions for maintenance, diagnostics, and support operations.

Check items before test operation (before powering-on)

Check at main power-on

Address setup

8-4-1. Precautions

Safety and preparation guidelines for address setup.

8-4-2. Address setup and check procedure

Step-by-step guide for address setup and verification.

Address setup procedure

Address setting procedure 2

Set the central control address.

Switch setting (setting example when controlling 2 or more refrigerant lines centrally)

Manual address setting with the remote controller

Confirming the indoor unit addresses and the position of an indoor unit using the remote controller

To see the indoor unit address of an indoor unit which you know the position of

Procedure to view the address of a known indoor unit.

To find an indoor unit’s position from its address

Procedure to locate an indoor unit using its address.

Resetting the address (Resetting to the factory default (address undecided))

Method 1

Factory reset of addresses using a wired remote controller.

Method 2

Factory reset of addresses from the outdoor unit.

In the case of an increase in address-undefined indoor units (extension, etc.)

Method 1

Manually setting addresses for new or undefined indoor units.

Method 2

Setting addresses for new indoor units from the outdoor unit.

Check after address setup when central control system is connected

Troubleshooting in test operation

8-5-1. A check code is displayed on the remote controller

Diagnosing faults based on remote controller check codes.

8-5-2. Operation from the indoor remote controller is not accepted, and a check code is displayed on the 7-segment display of the interface P.C. board of the outdoor unit.

Troubleshooting when remote control is not accepted and outdoor unit shows a check code.

8-5-3. There is no display of a check code on the 7-segment display on the interface P.C. board of the outdoor unit, although there is indoor unit that is not accepting operation from the indoor remote controller.

Troubleshooting when no check code appears but indoor units are unresponsive.

8-5-4. In checking the number of connected outdoor units and connected indoor units after address setup, a lower number of connected units is displayed. (There are outdoor / indoor units that do not operate in a test operation.)

Troubleshooting low unit counts after address setup.

Test operation check

8-6-1. Fan check

Procedure to check the fan operation of the indoor unit.

8-6-2. Cooling / Heating test operation check

Checking cooling and heating operations via remote controller.

Service support function

8-7-1. Check function for connecting of refrigerant and control lines

Verifying refrigerant pipe and control line connections.

8-7-2. Function to start / stop (ON / OFF) indoor unit from outdoor unit

Controlling indoor units ON/OFF from the outdoor unit.

8-7-3. Error clearing function

Procedures for clearing detected errors in the system.

8-7-4. Remote controller distinction function

Function to distinguish connected remote controllers.

8-7-5. Pulse motor valve (PMV) forced open / close function in indoor unit

Forcing PMV open/close for indoor units.

8-7-6. Pulse motor valve (PMV) forced fixing function in outdoor unit

Forcing PMV opening degree adjustment for outdoor units.

8-7-7. Solenoid valve forced open / close function in outdoor unit

Forcing solenoid valve open/close for outdoor units.

8-7-8. Fan operation check in outdoor unit

Checking outdoor fan operation and speed control.

8-7-9. Manual adjustment function of outside temperature (TO) sensor

Manually adjusting the TO sensor value for operation.

8-7-10. Monitor function of remote controller switch

Using the remote controller to monitor operational status.

Troubleshooting

9-1. Overview

General introduction and overview of troubleshooting procedures.

9-2. Troubleshooting method

Methods for identifying faults using diagnostic codes.

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

Troubleshooting based on remote controller displays and error history.

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

Mapping check codes to locations and potential causes.

9-5. Diagnosis procedure for each check code

Detailed diagnostic flowcharts for specific check codes.

9-6. 7-segment display function

Interpreting information displayed on the outdoor unit's 7-segment display.

9-7. Sensor characteristics

Electrical characteristics and resistance values of various sensors.

9-8. Pressure sensor output check

Procedure to check the output of pressure sensors.

Outdoor unit parts replacement methods

Interface P.C. board

Noise filter P.C. board

Comp-IPDU P.C. board

Fan IPDU P.C. board

Reactor replacement

Fan motor replacement

Compressor replacement

PMV coil

Fan guard

Bottom plate assembly

P.C. board exchange procedures

11-1. Interface P.C. board replacement procedure (MCC-1639: 43H69011)

Steps to replace the Interface P.C. board.

11-2. Comp-IPDU P.C. board replacement procedure (MCC-1647: 43H69013)

Steps to replace the Comp-IPDU P.C. board.

11-3. Fan IPDU P.C. board replacement procedure (MCC-1597: 43H69008)

Steps to replace the Fan IPDU P.C. board.

11-4. Noise filter P.C. board replacement procedure (MCC-1551: 43H69012)

Steps to replace the Noise filter P.C. board.

Exploded diagram / parts list

Related product manuals