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Toshiba MMY-MAP1004HT8P-E User Manual

Toshiba MMY-MAP1004HT8P-E
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SERVICE MANUAL
AIR-CONDITIONER (MULTI TYPE)
<SUPER MODULAR MULTI SYSTEM - i>
Outdoor Unit
Model name:
FILE NO. SVM-13024-2
MMY-MAP0804HT8(J)P
MMY-MAP1004HT8(J)P
MMY-MAP1204HT8(J)P
MMY-MAP1404HT8(J)P
MMY-MAP1604HT8(J)P
MMY-MAP0804HT8(J)P-E
MMY-MAP1004HT8(J)P-E
MMY-MAP1204HT8(J)P-E
MMY-MAP1404HT8(J)P-E
MMY-MAP1604HT8(J)P-E
MMY-MAP0804HT8(J)P-TR
MMY-MAP1004HT8(J)P-TR
MMY-MAP1204HT8(J)P-TR
MMY-MAP1404HT8(J)P-TR
MMY-MAP1604HT8(J)P-TR
<Heat Pump Model>
<4-way Cassette Type>
(MMU-AP***4HP-E) (Made in Thailand model) SVM-13-011
<2-way Cassette Type>
(MMU-AP
***
2WH) A10-007
<Concealed Duct Standard Type>
(MMD-AP
***
6BH-E) A12-005
<Slim Duct Type>
(MMD-AP0244SPH-E, AP0274SPH-E) A12-005
Fresh Air Intake Indoor Unit Type
(MMD-AP
****
HFE) A06-016
<Air to Air Heat Exchanger with DX Coil Unit Type>
(MMD-VN
*****
HEXE
*
) A10-022-2
High-wall Type
(MMK-AP
***
3H) (Made in Thailand model) SVM-09-059
Console Type
(MML-AP
****
NH-E) (Made in Thailand model) SVM-11-036
Other indoor units
(MM
*
-AP
*****
H
*
) A10-033
MMY-MAP0804HT7(J)P
MMY-MAP1004HT7(J)P
MMY-MAP1204HT7(J)P
MMY-MAP1404HT7(J)P
MMY-MAP1604HT7(J)P
MMY-MAP0804T8(J)P
MMY-MAP1004T8(J)P
MMY-MAP1204T8(J)P
MMY-MAP1404T8(J)P
MMY-MAP1604T8(J)P
MMY-MAP0804T8(J)P-T
MMY-MAP1004T8(J)P-T
MMY-MAP1204T8(J)P-T
MMY-MAP1404T8(J)P-T
MMY-MAP1604T8(J)P-T
MMY-MAP0804T8(J)P-SG
MMY-MAP1004T8(J)P-SG
MMY-MAP1204T8(J)P-SG
MMY-MAP1404T8(J)P-SG
MMY-MAP1604T8(J)P-SG
<Cooling Only Model>
MMY-MAP0804T8(J)P-ID
MMY-MAP1004T8(J)P-ID
MMY-MAP1204T8(J)P-ID
MMY-MAP1404T8(J)P-ID
MMY-MAP1604T8(J)P-ID
This service manual provides relevant explanations about new outdoor unit (SMMS-i).
Please refer to the following service manuals for each indoor units.

Table of Contents

Questions and Answers:

Toshiba MMY-MAP1004HT8P-E Specifications

General IconGeneral
BrandToshiba
ModelMMY-MAP1004HT8P-E
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Caution

Definition of Qualified Installer or Qualified Service Person

Defines the qualifications and knowledge required for installers and service personnel.

New Refrigerant (R410A)

1. Safety Caution Concerned to New Refrigerant

Safety precautions regarding the high pressure and oil of R410A refrigerant.

2. Cautions on Installation/Service

General cautions for handling R410A during installation and service work.

3. Pipe Materials

Specifications and selection criteria for refrigerant pipe materials.

1 Wiring Diagrams

1-1. Outdoor Unit

Wiring diagrams specific to the outdoor unit models.

1-2. Indoor Unit

Wiring diagrams for various types of indoor units.

2 Parts Rating

2-1. Outdoor Unit (50Hz model: MMY-MAP***4*T8*P*)

Parts rating details for 50Hz outdoor units.

2-2. Outdoor Unit (60Hz model: MMY-MAP***4HT7*P)

Parts rating details for 60Hz outdoor units.

2-3. Outdoor Inverter (50Hz model: MMY-MAP***4*T8*P*)

Parts rating details for 50Hz outdoor inverter units.

2-4. Outdoor Inverter (60Hz model: MMY-MAP***4HT7*P)

Parts rating details for 60Hz outdoor inverter units.

2-5. Parts Layout in Outdoor Unit

Visual layout of components within the outdoor unit.

2-6. Parts Layout in Inverter Assembly

Visual layout of components within the inverter assembly.

2-7. Outdoor (Inverter) Print Circuit Board

Details and diagrams of outdoor inverter print circuit boards.

3 Refrigerant Piping Systematic Drawing

4 Combined Refrigerant Piping System Schematic Diagrams

4-1. Normal Operation (COOL Mode / DEFROST Mode) - High Outside Air Temperature (Roughly 20°C or Above)

Schematic for normal operation in cool/defrost at high outside temperatures.

4-2. Normal Operation (COOL Mode) - Low Outside Air Temperature (Roughly Below 20°C)

Schematic for normal operation in cool at low outside temperatures.

4-3. Normal Operation (HEAT Mode)

Schematic for normal operation in heat mode.

5 Control Outline

Indoor Unit Control Specifications

Specifications for indoor unit control functions.

6 Applied Control and Functions (including Circuit Configuration)

6-1. Indoor Controller Block Diagram

Block diagrams illustrating indoor controller configurations.

6-2. Indoor Printed Circuit Board

Detailed layout and component identification of the indoor P.C. board.

6-3. Optional Connector Specifications of Indoor P.C. Board

Specifications for optional connectors on the indoor P.C. board.

6-4. Test Operation of Indoor Unit

Procedure for performing a test operation on the indoor unit.

6-5. Method to Set Indoor Unit Function DN Code

Procedure for setting indoor unit functions using DN codes.

6-6. Applied Control of Indoor Unit

Details on applied control functions for indoor units.

6-7. Applied control for Outdoor Unit

Applied control functions specific to outdoor units.

7 TEST OPERATION

7-1. Procedure and Summary of Test Operation

Overview of the test operation procedure and steps.

7-2. Check Items before Test Operation (before powering-on)

Pre-test checks for wiring and installation.

7-3. Check at Main Power-on

Checks to perform after main power is turned on.

7-4. Address Setup

Procedures for setting system addresses.

7-5. Troubleshooting in Test Operation

Troubleshooting common issues encountered during test operation.

7-6. Test Operation Check

Procedures for checking specific operations post-test.

7-7. Service Support Function

Functions for service support and diagnostics.

8 TROUBLESHOOTING

8-1. Overview

Introduction to the troubleshooting section and required tools.

8-2. Troubleshooting Method

General method for diagnosing faults using check codes.

8-3. Troubleshooting Based on Information Displayed on Remote Controller

Troubleshooting using information displayed on the remote controller.

8-5. Diagnosis procedure for each check code

Diagnostic flowcharts for specific check codes.

8-6. 7-Segment Display Function

Explanation of the outdoor unit's 7-segment display for status.

8-7. Oil Level Judgment Display

Display and interpretation of compressor oil level judgment.

8-8. Leakage/Clogging of Refrigerating Cycle Circuit

Troubleshooting common issues like leakage and clogging.

8-9. Sensor Characteristics

Resistance characteristics data for various sensors.

8-10. Pressure Sensor Output Check

Checking the output voltage of pressure sensors.

9 BACKUP OPERATION (EMERGENCY OPERATION)

9-1. Note for Backup Operation

Important notes and considerations for backup operation.

9-2. Compressor Backup Operation Setting

Procedure for setting compressor backup operation.

9-3. Outdoor Unit Backup Operation Setting

Procedures for setting outdoor unit backup operation.

9-4. Cooling-Season Outdoor Unit Backup Operation Setting

Setting backup operation specifically for cooling season.

10 OUTDOOR UNIT REFRIGERANT RECOVERY METHOD

10-1. Refrigerant Recovery from Failed Outdoor Unit (Pump-Down)

Method for recovering refrigerant using pump-down from a failed unit.

10-2. How to Operate System While Failed Outdoor Unit Being Repaired

Instructions for operating the system while a unit is under repair.

10-3. Work procedure after Repair

Procedures to follow after completing a repair.

11 REPLACING COMPRESSORS

11-1. Compressor Replacement Procedure (Outline)

General outline for replacing a compressor.

11-2. Replacement of Compressors

Detailed procedures for replacing compressors.

11-3. Check Procedure to Search Cause of Compressor Oil Shortage

Procedure to diagnose causes of compressor oil shortage.

12 OUTDOOR UNIT PARTS REPLACEMENT METHODS

13 P.C. BOARD EXCHANGE PROCEDURES

13-1. Replacement of Indoor P.C. Boards

Procedure for replacing indoor P.C. boards.

13-2. Replacement of Outdoor P.C. Boards

Procedures for replacing outdoor P.C. boards.

13-2-3. Interface board (MCC-1606) replacement method

Method for replacing the interface board (MCC-1606).

13-2-4. Comp-IPDU P.C. Board (MCC-1596) Replacement Procedure

Procedure for replacing the Comp-IPDU P.C. board (MCC-1596).

13-2-5. Fan IPDU P.C. Board (MCC-1610) Replacement Procedure

Procedure for replacing the Fan IPDU P.C. board (MCC-1610).

13-2-6. Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure

Procedure for replacing the noise filter P.C. board (MCC-1608 A, B).

14 EXPLODED DIAGRAM/PARTS LIST

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