Toshiba MMY-MUP1601HT8P User Manual

AIR CONDITIONER (MULTI TYPE)
SERVICE MANUAL
< Super Modular Multi System-u SMMS-u >
Outdoor
MMY-MUP0801HT7(J)P
MMY-MUP1001HT7(J)P
MMY-MUP1201HT7(J)P
MMY-MUP1401HT7(J)P
MMY-MUP14A1HT7(J)P
MMY-MUP1601HT7(J)P
MMY-MUP1801HT7(J)P
MMY-MUP2001HT7(J)P
MMY-MUP2201HT7(J)P
MMY-MUP2401HT7(J)P
MMY-MUP0801HT8(J)P
MMY-MUP1001HT8(J)P
MMY-MUP1201HT8(J)P
MMY-MUP1401HT8(J)P
MMY-MUP14A1HT8(J)P
MMY-MUP1601HT8(J)P
MMY-MUP1801HT8(J)P
MMY-MUP2001HT8(J)P
MMY-MUP2201HT8(J)P
MMY-MUP2401HT8(J)P
MMY-MUP0801HT8P-A
MMY-MUP1001HT8P-A
MMY-MUP1201HT8P-A
MMY-MUP1401HT8P-A
MMY-MUP14A1HT8P-A
MMY-MUP1601HT8P-A
MMY-MUP1801HT8P-A
MMY-MUP2001HT8P-A
MMY-MUP2201HT8P-A
MMY-MUP2401HT8P-A
FILE NO. SVM-21032

Toshiba MMY-MUP1601HT8P Specifications

General

Brand	Toshiba
Model	MMY-MUP1601HT8P
Category	Air Conditioner
Language	English

Summary

SAFETY CAUTION

REFRIGERANT (R410A)

1. WIRING DIAGRAMS

2. PARTS RATING

2-1. Outdoor Unit (50Hz model: MMY-MUP***1HT8(J)P)

Lists parts and specifications for 50Hz outdoor units.

2-2. Outdoor Unit (60Hz model: MMY-MUP***1HT7(J)P)

Lists parts and specifications for 60Hz outdoor units.

2-3. Outdoor Unit (50Hz model: MMY-MUP***1HT8P-A)

Lists parts and specifications for 50Hz outdoor units with "-A" suffix.

2-4. Winding resistance of outdoor unit main parts

Details checking procedures for winding resistance of main outdoor unit parts.

2-5. Inverter Assembly

Lists components within the inverter assembly.

2-6. Parts Layout in Outdoor Unit

Visual layout of components within the outdoor unit.

2-7. Parts Layout in Inverter Assembly

Visual layout of components within the inverter assembly.

2-8. Outdoor (Inverter) Print Circuit Board

Details the interface P.C. board (MCC-1747) and its components.

3. REFRIGERANT PIPING SCHEMATIC DRAWING

Outdoor unit

Refrigerant piping schematic for 8, 10, 12, 14HP outdoor units.

4. COMBINED REFRIGERANT PIPING SYSTEM SCHEMATIC DIAGRAMS

4-1. Refrigerant Flow (Cooling)

Illustrates refrigerant flow during cooling operation for header and follower units.

4-2. Refrigerant Flow (Single Defrost)

Illustrates refrigerant flow during single defrost operation.

4-3. Refrigerant Flow (Heating)

Illustrates refrigerant flow during heating operation for header and follower units.

4-4. Refrigerant Flow (Individual Defrost)

Illustrates refrigerant flow during individual defrost operation.

4-5-1. (1) Refrigerant Flow (Automatic emergency cooling)

Details refrigerant flow during automatic emergency cooling operation.

4-5-2. (1) Refrigerant Flow (Automatic emergency heating)

Details refrigerant flow during automatic emergency heating operation.

4-6. Refrigerant Flow (Reclaim)

Illustrates refrigerant flow during the reclaim process.

5. CONTROL OUTLINE

5-1. Outdoor Unit

Explains operational details for outdoor unit controls like PMV and fan.

6. APPLIED CONTROL AND FUNCTIONS

6-1. Optional connector Specifications of Indoor P.C.Board

Lists specifications for optional connectors on the indoor P.C. board.

6-2. Test Operation of Indoor Unit

Describes how to perform test operations on the indoor unit.

6-3. Method to Set Indoor Unit Function DN Code

Provides instructions for setting indoor unit function DN codes using a wired remote.

6-4. Method to set Outdoor Unit Function Code No. (O.DN )

Explains how to set outdoor unit function codes using switches or remote controller.

6-5. Applied Control of Indoor Unit

Details control systems using remote location ON/OFF control box.

6-6. APPLIED CONTROL OF OUTDOOR UNIT

Details various applied controls for the outdoor unit.

6-7. Notice Code

Explains notice codes for system status and maintenance alerts.

6-8. System Cooperation Defrosting

Explains synchronized defrosting across multiple systems.

6-9. Night operation (Sound reduction control)

Explains the night operation function for reducing outdoor unit sound.

7. TEST OPERATION

7-1. Procedure and Summary of Test Operation

Outlines the steps for conducting test operations.

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

Lists essential checks before starting test operations to ensure proper installation.

7-3. Check at Main Power-on

Describes checks to perform on the outdoor and indoor units after main power is turned on.

7-4. Address Setup

Details the procedure for setting unit addresses.

7-5. Troubleshooting in Test Operation

Provides troubleshooting steps for issues encountered during test operation.

7-6. Test Operation Check

Details checks to perform during test operations.

7-7. Service Support Function

Offers various service support functions for diagnosis and control.

7-8. Wave Tool Advance for SMMS-u Series

Details the use and setup of the Wave Tool Advance application for smartphones.

8. TROUBLESHOOTING

8-1. Overview

Provides an overview of troubleshooting and applicable models.

8-2. Troubleshooting method

Explains how to use check codes detected by various devices for troubleshooting.

8-3. Troubleshooting based on information displayed on remote controller

Guides troubleshooting based on information displayed on the remote controller.

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

Lists check codes, their locations, and items to check for diagnosis.

8-5. Diagnosis procedure for each check code

Provides step-by-step diagnostic procedures for various check codes.

8-6. 7-Segment Display Function

Explains the function and display items of the 7-segment display on the outdoor unit.

8-7. Oil Level Judgment Display

Describes how to access and interpret compressor oil level judgment results.

8-8. SMMS-u Outdoor Interface P.C. Board Function Setting Change Table

Lists functions and their settings via DIP switches and DN codes.

8-9. Leakage/Clogging of Refrigerating Cycle Circuit

Lists check codes generated from leakage or clogging issues in the refrigerating cycle.

9. BACKUP OPERATION (EMERGENCY OPERATION)

9-1. Note for Backup Operation

Provides important notes and conditions for backup operation.

9-2. Compressor Backup Operation Setting

Details the procedure for setting compressor backup operation.

9-3. Outdoor Unit Backup Operation Setting

Explains how to set up backup operation for outdoor units.

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

Describes backup operation setting specifically for cooling seasons.

9-5. Outdoor Unit Automatic Backup Operation Outline

Outlines the automatic backup operation feature for outdoor units.

10. OUTDOOR UNIT REFRIGERANT RECOVERY METHOD

10-1. Refrigerant Recovery from Troubled Outdoor Unit (Reclaim)

Details methods for recovering refrigerant from a troubled outdoor unit.

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

Explains how to operate the system when a troubled outdoor unit is being repaired.

10-3. Work procedure after Repair

Outlines the work procedure after performing refrigerant recovery.

11. REPLACING COMPRESSORS

11-1. Compressor Replacement Procedure (Outline)

Provides an overall outline for the compressor replacement procedure.

11-2. Replacement of Compressors

Details the procedure for replacing compressors, including oil adjustment.

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

Guides on how to search for the cause of compressor oil shortage.

12. OUTDOOR UNIT PARTS REPLACEMENT METHODS

Cabinet Replacement

Detachment and attachment procedures for the outdoor unit cabinet.

Fan and Fan Motor Replacement

Steps for detaching and attaching the propeller fan and fan motor.

Heat Exchanger Replacement

Procedures for detaching and attaching the heat exchanger.

Inverter Assembly Replacement

Steps for detaching and attaching the inverter assembly.

Reactor Assembly Replacement

Procedures for detaching and attaching the reactor assembly.

Compressor Replacement

Steps for detaching and attaching the compressor.

4-Way Valve Replacement

Procedures for detaching and attaching the 4-way valve.

Accumulator Replacement

Steps for detaching and attaching the accumulator.

13. P.C. BOARD REPLACEMENT PROCEDURES

Outdoor P.C. Board and Inverter Parts Replacement

Lists service parts and configurations for outdoor P.C. boards and inverter assemblies.

14. EXPLODED DIAGRAM/PARTS LIST

14-1. Outdoor unit (8, 10, 12, 14HP)

Exploded diagram and parts list for 8, 10, 12, 14HP outdoor units.

14-2. Outdoor unit (14A, 16, 18, 20HP)

Exploded diagram and parts list for 14A, 16, 18, 20HP outdoor units.

14-3. Outdoor unit (22, 24HP)

Exploded diagram and parts list for 22, 24HP outdoor units.