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Toshiba MCY-MHP0604HT-E - User Manual

Toshiba MCY-MHP0604HT-E
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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

Other manuals for Toshiba MCY-MHP0604HT-E

Preview: Engineering Data Book
Engineering Data Book48 pages

Questions and Answers

  • B
    Breanna BenitezAug 9, 2025
    What to do if my Toshiba MCY-MHP0604HT-E Air Conditioner remote is not working and a check code appears on the outdoor unit?
    • B
      Brandon ShawAug 9, 2025
      If your indoor remote controller isn't working and a check code is displayed on the outdoor unit's interface P.C. board, it could be due to a few reasons. First, check that the line addresses and indoor addresses of all the connected indoor units are set up correctly. If not, set up addresses. Also, ensure that the indoor unit power is turned on (in the order: indoor, then outdoor). Verify that the indoor/outdoor communication line is correctly connected to the U1/U2 terminal of the outdoor unit. If address setup was performed while multiple refrigerant lines were connected, correct the wiring.
  • B
    Bethany CoffeyAug 23, 2025
    Why is my Toshiba MCY-MHP0604HT-E showing fewer connected units than it should?
    • K
      Kimberly MeyerAug 23, 2025
      If, after address setup, your Toshiba Air Conditioner displays a lower number of connected units than expected, it could be due to miswiring or unconnected communication lines between indoor units. To resolve this, modify the wiring, set up the addresses again, and then check the number of connected indoor units. Also, verify that the indoor remote controller is properly connected with a wire. If the issue persists, use the main indoor remote controller connected to a group to start a test operation, specify the unit that is not operating (the unit not connected to the group), and then check the wiring.
  • P
    Philip MillerAug 30, 2025
    How to fix a check code displayed on my Toshiba MCY-MHP0604HT-E Air Conditioner remote?
    • M
      Melissa WilsonAug 30, 2025
      When a check code appears on the remote controller, it could be due to several reasons. One possibility is that the outdoor unit's power is off; ensure it is turned on. Another common cause is an address setup error, such as undefined or duplicated addresses. In this case, you should set up the address again. It could also be caused by exceeding the number or capacity of connected indoor units, so adjust accordingly. Check and correct disconnection of the indoor / outdoor communication line or check for the influence of communication noise. Duplication of outdoor line addresses can also cause the issue, so modify the line address setup of the outdoor unit between lines.
  • K
    Kyle BallNov 14, 2025
    What to do if my Toshiba MCY-MHP0604HT-E indoor remote is not working, but there is no check code on the outdoor unit?
    • B
      bassjenniferNov 15, 2025
      If your Toshiba Air Conditioner indoor remote isn't working, but there's no check code on the outdoor unit, it could be due to several reasons. First, ensure that the communication line is connected between the indoor and outdoor units. If not, modify the wiring. Also, check that the line address and indoor address are set for the unit that is not responding to the indoor remote controller; if not, set up the address. If you're using indoor group control, make sure the power to the outdoor unit of the group is turned on. If it's set to individual control, ensure the group address is set to “0”. Finally, confirm that the indoor remote controller is properly wired. If 220 V is incorrectly applied to the indoor remote controller terminal, the remote controller communication circuit fails, so ...

Summary

Service Manual

Outdoor Unit

This service manual provides explanations about new outdoor units.

Product Summary

Outdoor Unit

Provides an overview of the outdoor unit specifications and models.

Connectable Indoor Units

Lists the compatible indoor unit types and their model designations.

Branching Joints and Headers

Details the types of branching joints and headers used in the system.

PMV Kit

Describes the Pulse Motor Valve (PMV) kit used in the system.

Construction Views

Wiring Diagram

Parts Rating

Outdoor Unit

Lists the specifications and ratings of the outdoor unit components.

Outdoor Inverter

Details the specifications of the outdoor unit's inverter components.

Other Parts for Australia DRED

Lists additional parts for the Australian Demand Response Enabling Device.

Parts Layout in Outdoor Unit

Shows the physical arrangement of components within the outdoor unit.

Parts Layout in Inverter Assembly

Illustrates the component layout within the inverter assembly.

Outdoor (Inverter) Print Circuit Board

Details the components and layout of the outdoor unit's inverter printed circuit board.

Refrigerant Piping Systematic Drawing

Outdoor Unit

Illustrates the refrigerant circuit layout of the outdoor unit.

Explanation of Functional Parts

Control Outline

Outdoor Unit

Describes the operational logic and control strategies for the outdoor unit.

Applied Control for Outdoor Unit

Outdoor Fan High Static Pressure Shift

Explains how to adjust outdoor fan speed for high static pressure applications.

Priority Operation Mode Setting

Describes how to set priority for cooling or heating operations.

Applied Control of Outdoor Unit

Details specific applied control functions for the outdoor unit.

Demand Response for Australia

Explains the demand response function specific to Australian models.

Test Operation

Procedure and Summary of Test Operation

Outlines the steps for performing a test operation and troubleshooting.

Check Items Before Test Operation (Before Powering-on)

Lists essential checks to perform before starting a test operation.

Check at Main Power-on

Details checks to perform immediately after powering on the unit.

Address Setup

Describes the process of setting addresses for indoor and outdoor units.

Troubleshooting in Test Operation

Provides solutions for issues encountered during test operation based on check codes.

Test Operation Check

Details how to perform checks during test operation for fan and cooling/heating.

Service Support Function

Explains various service functions controllable via switches on the interface P.C. board.

Pressure Sensor Output Check

Details how to check the output of Pd and Ps pressure sensors.

Troubleshooting

Overview

Provides an overview of troubleshooting procedures and tools.

Troubleshooting Method

Explains how to use check codes for troubleshooting.

Troubleshooting Based on Information Displayed on Remote Controller

Guides troubleshooting based on remote controller displays and error history.

Check Codes Displayed on Remote Controller and Outdoor Unit (7-segment Display on I;F Board) and Locations to be Checked

Lists check codes from various sources and their corresponding troubleshooting locations.

Diagnosis Procedure for Each Check Code

Provides detailed diagnostic flowcharts for specific check codes.

7-segment Display Function

Explains how to interpret and use the 7-segment display on the outdoor unit.

Sensor Characteristics

Provides resistance values for various sensors at different temperatures.

Pressure Sensor Output Check

Details how to check the output of pressure sensors.

Outdoor Unit Parts Replacement Methods

Detachment

Steps for disassembling the outdoor unit's external panels.

Attachment

Steps for reassembling the outdoor unit's external panels.

P.C. Board Exchange Procedures

Interface P.C. Board Replacement Procedure (MCC-1639: 43 H69011)

Step-by-step guide for replacing the interface P.C. board.

Comp-IPDU P.C. Board Replacement Procedure (MCC-1647: 43 H69013)

Step-by-step guide for replacing the compressor IPDU P.C. board.

Fan IPDU P.C. Board Replacement Procedure (MCC-1597: 43 H69008)

Step-by-step guide for replacing the fan IPDU P.C. board.

Noise Filter P.C. Board Replacement Procedure (MCC-1551: 43 H69012)

Step-by-step guide for replacing the noise filter P.C. board.

Exploded Diagram; Parts List

Declaration of Conformity

Specifications

New Refrigerant (R410 A)

Safety Caution Concerned to New Refrigerant

Highlights safety considerations for handling the new refrigerant.

Cautions on Installation; Service

Provides specific precautions for installation and service involving the new refrigerant.

Pipe Materials

Specifies the recommended materials for refrigerant piping.

Tools

Required Tools for R410 A

Lists essential tools required for R410A refrigerant work.

Tools Exclusive for R410 A

Details tools specifically needed for R410A systems.

General Tools (Conventional Tools Can Be Used)

Lists general tools that can also be used with R410A systems.

Precautions for Safety

Warnings on Refrigerant Leakage

Check of Concentration Limit

Information on refrigerant concentration limits and safety measures.

Toshiba MCY-MHP0604HT-E Specifications

General IconGeneral
CategoryAir Conditioner
Cooling Capacity (kW)6.0
Heating Capacity (kW)6.7
Power Supply220-240 V, 50 Hz
RefrigerantR410A
TypeMulti Split System

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