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AIR CONDITIONER (MULTI TYPE)

SERVICE MANUAL

< Super Modular Multi System-u SMMS-u >

Outdoor

MMY-MUP0801HT8(J)P-E

MMY-MUP1001HT8(J)P-E

MMY-MUP1201HT8(J)P-E

MMY-MUP1401HT8(J)P-E

MMY-MUP1601HT8(J)P-E

MMY-MUP1801HT8(J)P-E

MMY-MUP2001HT8(J)P-E

MMY-MUP2201HT8(J)P-E

MMY-MUP2401HT8(J)P-E

MMY-MUP0801HT8(J)P-TR

MMY-MUP1001HT8(J)P-TR

MMY-MUP1201HT8(J)P-TR

MMY-MUP1401HT8(J)P-TR

MMY-MUP1601HT8(J)P-TR

MMY-MUP1801HT8(J)P-TR

MMY-MUP2001HT8(J)P-TR

MMY-MUP2201HT8(J)P-TR

MMY-MUP2401HT8(J)P-TR

FILE NO. SVM-20113

Table of Contents2
Refrigerant (R410A)21
Wiring Diagrams24
Parts Rating27
Outdoor Unit (50Hz Model: MMY-MUP***1HT8*)27
Winding Resistance of Outdoor Unit Main Parts28
Inverter Assembly29
Parts Layout in Outdoor Unit30
Parts Layout in Inverter Assembly31
Outdoor (Inverter) Print Circuit Board34
Interface P.C. Board (MCC-1747)34
Noise Filter P.C. Board (MCC-1748)35
Inverter P.C. Board for Compressor (MCC-1729)36
Inverter P.C. Board for Fan (MCC-1734)37
USB Isolate P.C. Board (MCC-1754)38
Refrigerant Piping Schematic Drawing39
Combined Refrigerant Piping System Schematic Diagrams44
Refrigerant Flow (Cooling)44
Refrigerant Flow (Single Defrost)45
Refrigerant Flow (Heating)46
Refrigerant Flow (Individual Defrost)47
1) Refrigerant Flow (Automatic Emergency Cooling)48
1) Refrigerant Flow (Automatic Emergency Heating)50
Refrigerant Flow (Reclaim)52
Control Outline53
Outdoor Unit53
Indoor Unit62
Applied Control and Functions73
Optional Connector Specifications of Indoor P.C.board73
Test Operation of Indoor Unit75
Method to Set Indoor Unit Function DN Code76
Method to Set Outdoor Unit Function Code No. (DN )83
Applied Control of Indoor Unit88
Applied Control of Outdoor Unit92
Outdoor Fan High Static Pressure Shift92
Priority Operation Mode Setting93
Applied Control of Outdoor Unit96
Notice Code107
System Cooperation Defrosting109
Test Operation112
Procedure and Summary of Test Operation112
Check Items before Test Operation (before Powering-On)113
Check at Main Power-On119
Address Setup121
Precautions121
Address Setup and Check Procedure121
Address Setup Procedure122
Check after Address Setup When Central Control System Is Connected139
Troubleshooting in Test Operation140
A Check Code Is Displayed on the Remote Controller140
No Remote Controller Response with Check Code141
No Remote Controller Response Without Check Code141
Connected Indoor/Outdoor Unit Quantity Check142
Test Operation Check144
Fan Check144
Cooling/Heating Test Operation Check145
Service Support Function150
Check Function for Connecting of Refrigerant and Control Lines150
Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit151
Check Code Clearing Function158
Remote Controller Distinction Function161
Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit162
Pulse Motor Valve (PMV) Forced Open/Close Function and Solenoid Valve163
Forced on Function in Outdoor Unit163
Fan Operation Check in Outdoor Unit165
Abnormal Outdoor Unit Discrimination Method by Fan Operating Function166
Manual Adjustment Function of Outside Temperature (TO) Sensor167
Refrigerant Leakage Detection168
Monitor Function of Remote Controller Switch169
Wave Tool Advance for SMMS-U Series171
Before the Use of Wave Tool Advance171
About Wave Tool Advance171
Valid/Prohibition/Permission Setting for Test Operation from WTA App171
Confirmation for NFC Tag Communication172
Troubleshooting173
Overview173
Troubleshooting Method174
Troubleshooting Based on Information Displayed on Remote Controller180
Check Codes Displayed on Remote Controller and SMMS-U Outdoor Unit (7-Segment Display on I/F Board) and Locations to be Checked184
Diagnosis Procedure for each Check Code199
7-Segment Display Function230
Oil Level Judgment Display237
SMMS-U Outdoor Interface P.C. Board Function Setting Change Table238
Leakage/Clogging of Refrigerating Cycle Circuit240
Sensor Characteristics246
Pressure Sensor Output Check249
Backup Operation (Emergency Operation)251
Note for Backup Operation251
Compressor Backup Operation Setting252
Outdoor Unit Backup Operation Setting254
Follower Outdoor Unit Backup Operation Setting (Failure of Follower Outdoor Unit)254
Header Outdoor Unit Backup Operation Setting256
Unit)256
Cooling-Season Outdoor Unit Backup Operation Setting258
Outdoor Unit Automatic Backup Operation Outline259
Outdoor Unit Refrigerant Recovery Method260
Refrigerant Recovery from Troubled Outdoor Unit (Reclaim)260
Note for Refrigerant Recovery Operation260
Refrigerant Recovery Procedure a260
Unit Turn On)260
Refrigerant Recovery Procedure B262
Does Not Turn On)262
How to Operate System While Troubled Outdoor Unit Being Repaired263
Work Procedure after Repair264
Replacing Compressors265
Compressor Replacement Procedure (Outline)265
Replacement of Compressors266
Check Procedure to Search Cause of Compressor Oil Shortage270
Outdoor Unit Parts Replacement Methods274
Board Exchange Procedures288
Replacement of Outdoor P.C. Board & Inverter Parts288
List of Service Parts (Inverter)288
Configuration of Inverter Assembly289
Interface P.C. Board (MCC-1747) Replacement Procedure292
Compressor P.C. Board (MCC-1729) Replacement Procedure293
Fan-Motor P.C. Board (MCC-1734) Replacement Procedure295
Noise Filter P.C. Board 1 (MCC-1748) Replacement Procedure296
Noise Filter P.C. Board 2 (MCC-1748) Replacement Procedure297
Exploded Diagram/Parts List298
Outdoor Unit (8, 10, 12, 14HP)298
Outdoor Unit (16, 18, 20HP)301
Outdoor Unit (22, 24HP)304

Brand	Toshiba
Model	MMY-MUP1601HT8P-E
Category	Air Conditioner
Language	English

Toshiba MMY-MUP1601HT8P-E Service Manual

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