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Toshiba MiNi-SMMS MCY-MAP0501HT User Manual

Toshiba MiNi-SMMS MCY-MAP0501HT
193 pages
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Mini-
SUPER MODULAR MULTI SYSTEM
AIR CONDITIONER
Outdoor Unit
[Inverter Unit]
MCY-MAP0401HT
MCY-MAP0501HT
MCY-MAP0601HT
MCY-MAP0401HT2D
MCY-MAP0501HT2D
MCY-MAP0601HT2D
PMV Kit
RBM-PMV0361E
RBM-PMV0901E
FILE NO. A05-015
SERVICE MANUAL
PRINTED IN JAPAN, Mar.,2006 ToMo

Table of Contents

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Toshiba MiNi-SMMS MCY-MAP0501HT Specifications

General IconGeneral
ModelMCY-MAP0501HT
CategoryAir Conditioner
Heating Capacity5.6 kW
RefrigerantR410A
Cooling Capacity5.0 kW
Power Supply220-240 V, 50 Hz
Outdoor Unit Noise Level50 dB

Summary

WARNINGS ON REFRIGERANT LEAKAGE

Check of Concentration Limit

Discusses the concentration limit for refrigerant gas in rooms and necessary precautions.

SAFETY CAUTION

2. WIRING DIAGRAM

2-1-1. 4-way Air Discharge Cassette Type

Wiring diagram for 4-way air discharge cassette indoor units.

2-1-2. 2-way Air Discharge Cassette Type

Wiring diagram for 2-way air discharge cassette indoor units.

2-1-3. 1-way Air Discharge Cassette Type

Wiring diagram for 1-way air discharge cassette indoor units.

2-1-4. 1-way Air Discharge Cassette Type

Wiring diagram for 1-way air discharge cassette type indoor units.

2-1-5. Concealed Duct Standard Type

Wiring diagram for concealed duct standard type indoor units.

3. PARTS RATING

3-11. Installation

Instructions and precautions for installing the air conditioner unit.

3-12. Maintenance

Guidelines for maintenance, including air filter cleaning and safety.

3-15. When The Following Symptoms Air Found

Troubleshooting guide for common symptoms and their causes.

4. REFRIGERANT PIPING SYSTEMATIC DRAWING

4-1. Refrigerant Cycle Diagram

Illustrates the refrigerant flow and components in the system.

7. APPLIED CONTROL

7-2-4. Power Peak-cut Control

Details the power peak-cut control feature and its wiring.

7-2-5. External master ON/OFF control

Explains the external master ON/OFF control function and its wiring.

7-2-6. Night Operation (Sound Reduction) Control

Describes the night operation sound reduction control and its function.

7-2-7. Operation Mode Selection Control

Details the operation mode selection control using SMC or SMH signals.

7-2-8. Error Output Control

Explains the operation and error monitoring using the error output control board.

9. TEST OPERATION

9-1. Procedure and Summary of Test Operation

Outlines the general procedure for test operations.

9-2. Check Items before Test Operation

Lists essential checks before performing a test operation, covering electric wiring and system connections.

9-4. Address Setup

Procedure for setting up indoor unit addresses, including automatic and manual methods.

9-5. Troubleshooting in Test Operation

Common issues encountered during test operation and their solutions.

9-6. Test Operation Check

Specific checks for fan operation and cooling/heating test operations.

9-7. Service Support Function

Explains various service support functions controllable from the outdoor unit.

9-7-2. Error Clearing Function

Procedures for clearing errors from the remote controller or interface P.C. board.

10. TROUBLESHOOTING

10-1. Troubleshooting Summary

Provides a summary of common troubles and necessary tools for diagnosis.

10-2. Check Method

Explains how to identify faults using check codes displayed on remote or interface P.C. boards.

10-3. Troubleshooting by Check Display on Remote Controller

Guides troubleshooting based on check codes displayed on the wired remote controller.

10-4. Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit

Lists check codes and their detected positions for troubleshooting.

10-5. Diagnosis Procedure for Each Check Code

Detailed diagnostic flowcharts for various check codes to identify faults.

10-6. 7-Segment Display Function

Explains how to interpret the 7-segment display on the outdoor unit's interface P.C. board for troubleshooting.

10-8. Pressure Sensor Output Check

Details Pd and Ps sensor output characteristics and voltage checks for the outdoor unit.

12. BACKUP OPERATIONS (EMERGENCY OPERATION)

Before Backup Operation

Describes the methods for backup operation based on different trouble types.

13. REPLACING COMPRESSOR

13-1. Compressor Replacing Procedure (Outline)

Provides an outline for the compressor replacement procedure, including safety warnings.

13-2. Replacing Compressor

Details vacuuming procedures and full opening of PMV for compressor replacement.

14. REPLACING PROCEDURE OF PARTS

5. Compressor

Detailed procedure for replacing the compressor, including oil amount calculation.

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