Name: Toshiba MMY-MUP0721HT9P-UL
Brand: Toshiba
Rating: 5 (1 reviews)

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AIR CONDITIONER (MULTI TYPE)

SERVICE MANUAL

< Super Modular Multi System-u SMMS-u >

Outdoor

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FILE NO. SVM-23032

Table of Contents2
Refrigerant (R410A)20
Wiring Diagrams23
Parts Rating25
Outdoor Unit (MMY-MUP***1HT9P-UL)25
Winding Resistance of Outdoor Unit Main Parts26
Inverter Assembly27
Parts Layout in Outdoor Unit28
Parts Layout in Inverter Assembly30
Outdoor (Inverter) Print Circuit Board32
Interface P.C. Board (MCC-1747)32
Noise Filter P.C. Board (MCC-1749)33
Capacitor P.C. Board (MCC-1711)34
Inverter P.C. Board for Compressor (MCC-1746)35
Inverter P.C. Board for Fan (MCC-1734)35
USB Isolate P.C. Board (MCC-1754)36
Refrigerant Piping Schematic Drawing37
Combined Refrigerant Piping System Schematic Diagrams41
Refrigerant Flow (Cooling)41
Refrigerant Flow (Single Defrost)42
Refrigerant Flow (Heating)43
Refrigerant Flow (Individual Defrost)44
1) Refrigerant Flow (Automatic Emergency Cooling)45
2) Refrigerant Flow (Automatic Emergency Cooling)46
Refrigerant Flow (Reclaim)49
Control Outline50
Outdoor Unit50
1) Refrigerant Flow (Automatic Emergency Heating)57
2) Refrigerant Flow (Automatic Emergency Heating)58
Indoor Unit59
Applied Control and Functions70
Method to Set Outdoor Unit Function Code No. (O.DN )70
Applied Control of Outdoor Unit75
Outdoor Fan High Static Pressure Shift75
Priority Operation Mode Setting76
Applied Control of Outdoor Unit78
Notice Code90
System Cooperation Defrosting92
Night Operation (Sound Reduction Control)95
Test Operation97
Procedure and Summary of Test Operation97
Check Items before Test Operation (before Powering-On)98
Check at Main Power-On105
Address Setup107
Precautions107
Address Setup and Check Procedure107
Address Setup Procedure108
Check after Address Setup When Central Control System Is Connected133
Troubleshooting in Test Operation134
A Check Code Is Displayed on the Remote Controller134
No Remote Controller Response with Check Code135
No Remote Controller Response Without Check Code135
Test Operation (Test Run) Check138
Fan Check138
Cooling/Heating Test Operation Check139
Service Support Function144
Check Function for Connecting of Refrigerant and Control Lines144
Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit146
Check Code Clearing Function153
Remote Controller Distinction Function156
Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit157
Pulse Motor Valve (PMV) Forced Open/Close Function and Solenoid Valve158
Forced on Function in Outdoor Unit158
Fan Operation Check in Outdoor Unit160
Abnormal Outdoor Unit Discrimination Method by Fan Operating Function161
Manual Adjustment Function of Outside Temperature (TO) Sensor162
Refrigerant Leakage Detection163
Monitor Function of Remote Controller Switch164
Wave Tool Advance for SMMS-U Series166
Before the Use of Wave Tool Advance166
About Wave Tool Advance166
Valid/Prohibition/Permission Setting for Test Operation from WTA App166
Confirmation for NFC Tag Communication167
Troubleshooting168
Overview168
Troubleshooting Method169
Troubleshooting Based on Information Displayed on Remote Controller175
Check Codes List179
Diagnosis Procedure for each Check Code194
7-Segment Display Function227
Oil Level Judgment Display234
SMMS-U Outdoor Interface P.C. Board Function Setting Change Table235
Leakage/Clogging of Refrigerating Cycle Circuit237
Sensor Characteristics241
Pressure Sensor Output Check244
Backup Operation (Emergency Operation)246
Note for Backup Operation246
Compressor Backup Operation Setting247
Outdoor Unit Backup Operation Setting248
Follower Outdoor Unit Backup Operation Setting248
Unit)248
Unit)251
Cooling-Season Outdoor Unit Backup Operation Setting253
Outdoor Unit Automatic Backup Operation Outline254
Outdoor Unit Refrigerant Recovery Method255
Refrigerant Recovery from Troubled Outdoor Unit (Reclaim)255
Note for Refrigerant Recovery Operation255
Refrigerant Recovery Procedure a255
Unit Turn On)255
Refrigerant Recovery Procedure B257
Does Not Turn On)257
How to Operate System While Troubled Outdoor Unit Being Repaired258
Work Procedure after Repair259
Replacing Compressors260
Compressor Replacement Procedure (Outline)260
Replacement of Compressors261
Check Procedure to Search Cause of Compressor Oil Shortage264
Outdoor Unit Parts Replacement Methods267
Board Replacement Procedures284
Replacement of Outdoor P.C. Board & Inverter Parts284
List of Service Parts (Inverter)284
Configuration of Inverter Assembly285
Interface P.C. Board (MCC-1747) Replacement Procedure287
Compressor P.C. Board (MCC-1746) Replacement Procedure291
Capacitor P.C. Board (MCC-1711) Replacement Procedure293
Fan-Motor P.C. Board (MCC-1734) Replacement Procedure295
1). Noise Filter P.C. Board (MCC-1749) Replacement Procedure296
2). Noise Filter P.C. Board (MCC-1749) Replacement Procedure297
Exploded Diagram/Parts List298
Outdoor Unit (6 Ton, 8 Ton)298
Outdoor Unit (10 Ton Ton 14 Ton)301
Outdoor Unit (16 Ton)304

Brand	Toshiba
Model	MMY-MUP0721HT9P-UL
Category	Air Conditioner
Language	English

Toshiba MMY-MUP0721HT9P-UL User Manual

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