Toshiba MMY-MAP1204HT7P-K User Manual

SERVICE MANUAL
AIR-CONDITIONER (MULTI TYPE)
<SUPER MODULAR MULTI SYSTEM - i>
Outdoor Unit
Model name:
FILE NO. SVM-13024-8
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
This service manual provides relevant explanations about new outdoor unit (SMMS-i).
Please refer to the following service manuals for each indoor units.
MMY-MAP0804HT7P-K
MMY-MAP1004HT7P-K
MMY-MAP1004HT7P-K1
MMY-MAP1204HT7P-K
MMY-MAP1404HT7P-K
MMY-MAP1604HT7P-K
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-MAP0804T8P-SG
MMY-MAP1004T8P-SG
MMY-MAP1204T8P-SG
MMY-MAP1404T8P-SG
MMY-MAP1604T8P-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
MMY-MAP0804T8(J)P-E
MMY-MAP1004T8(J)P-E
MMY-MAP1204T8(J)P-E
MMY-MAP1404T8(J)P-E
MMY-MAP1604T8(J)P-E

Toshiba MMY-MAP1204HT7P-K Specifications

General

Brand	Toshiba
Model	MMY-MAP1204HT7P-K
Category	Air Conditioner
Language	English

Summary

Wiring Diagrams

1-1. Outdoor Unit

Wiring diagrams for MMY-MAP0804, MAP1004, and MAP1204 outdoor units.

1-2. Indoor Unit

Wiring diagrams for various indoor unit types like Cassette, Duct, Wall, and Fresh Air Intake.

Control Outline

6 Applied Control and Functions (including Circuit Configuration)

Details on applied control functions and their circuit configurations.

TEST OPERATION

7-1. Procedure and Summary of Test Operation

Step-by-step guide and summary for performing test operations.

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

Pre-test verification of electrical wiring and system connections.

7-3. Check at Main Power-on

Post-power-on checks of system units before test operation.

7-4. Address Setup

Procedure for setting system addresses for indoor and outdoor units.

TROUBLESHOOTING

8-1. Overview

General troubleshooting information, required tools, and pre-checks.

8-2. Troubleshooting Method

Methodology for identifying and resolving faults based on check codes.

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

Troubleshooting guidance using remote controller display codes.

8-4. Check Codes Displayed on Remote Controller and SMMS-i Outdoor Unit (7-Segment Display on I/F Board) and Locations to Be Checked

List of check codes and their diagnostic locations.

Definition of Qualified Installer or Qualified Service Person

Agent Qualifications and knowledge which the agent must have

Details on the qualifications required for installers and service personnel.

Definition of Protective Gear

Work undertaken Protective gear worn

Table specifying protective gear for different work tasks.

Explanation of indications

Explanation of DANGER, WARNING, and CAUTION indications.

Explanation of illustrated marks

Explanation of illustrated marks for prohibitions, mandates, and cautions.

Precautions for Safety

DANGER

Critical safety warnings concerning electrical shock and immediate hazards.

Prohibition

Specific prohibitions and safety measures during work.

Stay on protection

Safety measures for electrical work and handling live parts.

WARNING

General

General safety precautions for handling, installation, and electrical work.

Check earth wires.

Procedure for checking and ensuring proper grounding for safety.

Prohibition of modification.

Warning against product modification to prevent fire or electric shock.

New Refrigerant (R410A)

1. Safety Caution Concerned to New Refrigerant

Safety precautions specific to R410A refrigerant handling.

2. Cautions on Installation/Service

Precautions for installation and service procedures with R410A.

3. Pipe Materials

Specifications for copper pipes and joints used with R410A.

4. Tools

(1) Required Tools for R410A

List of essential tools exclusively for R410A refrigerant work.

Specifications

Carrying in the Outdoor Unit

Weight centre and weight

Weight centre of an outdoor unit

Diagrams showing weight center and anchor bolt positions for outdoor units.

Selection of Pipe Size

Coupling size of brazed pipe

Table detailing coupling sizes for brazed pipes in millimeters.

Screw size and tightening torque

Screw size and tightening torque

Table specifying screw sizes and tightening torque in N•m.

Adding refrigerant

Calculation of additional refrigerant charge amount

Formula and table for calculating additional refrigerant charge.

Charging of refrigerant

Charging of refrigerant

Procedures for charging liquid and gas refrigerant into the system.

P.C. BOARD EXCHANGE PROCEDURES

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

Procedures for replacing indoor unit P.C. boards.

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

Procedures for replacing outdoor unit P.C. boards.

EXPLODED DIAGRAM/PARTS PRICE LIST

SMMS-i OUTDOOR UNIT MMY-MAP0804HT8(Z)(ZG)-E, MMY-MAP1004HT8(Z)(ZG)-E, MMY-MAP1204HT8(Z)(ZG)-E

Exploded diagram and parts list for SMMS-i outdoor units.