Daikin 3MKS50BVMB8 Air Conditioner Manuals

Manuals and User Guides for Daikin 3MKS50BVMB8 Air Conditioner. We have 2 Daikin 3MKS50BVMB8 Air Conditioner manuals available for free PDF download: Service Manual

Daikin 3MKS50BVMB8 Service Manual (298 pages)

Super Multi NX C-Series

Brand: Daikin | Category: Air Conditioner | Size: 13 MB

Table of Contents
3
Introduction
8
- Safety Cautions
  8
  - Caution in Repair
    8
  - Cautions Regarding Products after Repair
    9
  - Inspection after Repair
    10
  - Using Icons
    11
  - Using Icons List
    11
Part 1 List of Functions

12
- List of Functions
  13
  - Cooling Only Models
    13
  - Heat Pump Models
    19
Part 2 Specifications

28
Part 3 Printed Circuit Board Connector Wiring Diagram

68
- Printed Circuit Board Connector Wiring Diagram
  69
  - Wall Mounted Type 20 / 25 / 35 Class
    69
  - Pcb Detail
    71
  - Wall Mounted Type 50 / 60 / 71 Class
    72
  - Duct Connected Type
    74
  - Floor / Ceiling Suspended Dual Type
    75
  - Floor Standing Type
    77
  - Outdoor Units
    79
Part 4 Function and Control

80
- Main Functions
  81
  - Frequency Principle
    81
  - Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
    83
  - Fan Speed Control for Indoor Units
    84
  - Programme Dry Function
    85
  - Automatic Operation
    86
  - Night Set Mode
    87
  - Intelligent Eye
    88
  - Home Leave Operation
    90
  - Inverter Powerful Operation
    91
  - Other Functions
    92
- Function of Main Structural Parts
  94
  - Main Structural Parts
    94
  - Function of Thermistor
    95
  - Heat Pump Model
    95
  - Cooling Only Model
    97
- Control Specification
  99
  - Mode Hierarchy
    99
  - Frequency Control
    100
  - Controls at Mode Changing / Start-Up
    102
  - Discharge Pipe Control
    103
  - Input Current Control
    103
  - Freeze-Up Protection Control
    104
  - Heating Peak-Cut Control
    104
  - Fan Control
    105
  - Moisture Protection Function 2
    105
  - Defrost Control
    106
  - Low Hz High Pressure Limit
    106
  - Electronic Expansion Valve Control
    107
  - Target Discharge Pipe Temperature Control
    110
  - Sc Control
    110
  - Malfunctions
    112
  - Sensor Malfunction Detection
    112
  - Insufficient Gas Control
    112
  - Forced Operation Mode
    113
  - Wiring-Error Check
    114
  - Additional Function
    116
Part 5 System Configuration

118
- System Configuration
  119
  - Operation Instructions
    119
  - System Configuration Part
    119
- Instruction
  120
  - Contents and Reference Page
    120
  - Safety Precautions
    121
    
    Installation Site
    122
    
    Electrical Work
    122
  - Names of Parts
    123
  - Indoor Unit
    124
  - Remote Control
    134
  - Preparation before Operation
    135
  - To Set the Clock
    137
  - AUTO · DRY · COOL · HEAT · FAN Operation
    138
  - To Change the Air Flow Rate Setting
    139
  - Adjusting the Air Flow Direction
    140
  - POWERFUL Operation
    146
  - OUTDOOR UNIT SILENT Operation
    147
  - HOME LEAVE Operation
    148
  - INTELLIGENT EYE Operation
    150
  - TIMER Operation
    154
    
    To Use on Timer Operation
    155
    
    To Combine on Timer and off Timer
    155
  - Note for Multi System
    156
  - Priority Room Setting
    157
  - Care and Cleaning
    158
    
    Air Filter
    159
    
    Before a Long Idle Period
    160
    
    Front Grille
    161
  - Troubleshooting
    168
    
    Check Again
    169
    
    Call the Service Shop Immediately
    170
Part 6 Service Diagnosis

172
- Caution for Diagnosis
  173
  - Troubleshooting with the Operation Lamp
    173
- Problem Symptoms and Measures
  175
- Service Check Function
  176
- Code Indication on the Remote Controller
  177
  - Error Codes and Description of Fault
    177
- Troubleshooting
  178
  - Indoor Units
    178
  - Outdoor Units
    179
  - Indoor Unit PCB Abnormality
    180
  - Freeze-Up Protection Control or High Pressure Control
    181
  - Fan Motor or Related Abnormality
    183
  - Ac Motor
    183
  - DC Motor
    184
  - Thermistor or Related Abnormality (Indoor Unit)
    186
  - Shutter Drive Motor / Shutter Limit Switch Abnormality
    187
  - Signal Transmission Error (between Indoor and Outdoor Units)
    188
  - Unspecified Voltage (between Indoor and Outdoor Units)
    189
  - Freeze-Up Protection Control
    190
  - OL Activation (Compressor Overload)
    192
  - Compressor Lock
    193
  - DC Fan Lock
    194
  - Input over Current Detection
    195
  - Four Way Valve Abnormality
    197
  - Discharge Pipe Temperature Control
    199
  - Position Sensor Abnormality
    200
  - CT or Related Abnormality
    201
  - Thermistor or Related Abnormality (Outdoor Unit)
    203
  - Electrical Box Temperature Rise
    205
  - Radiation Fin Temperature Rise
    207
  - Output over Current Detection
    209
  - Insufficient Gas
    211
  - Low-Voltage Detection
    213
  - Anti-Icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)
    214
- Check
  215
  - How to Check
    215
  - Electronic Expansion Valve Check
    216
  - Four Way Valve Performance Check
    217
  - Thermistor Resistance Check
    218
  - Installation Condition Check
    219
  - Discharge Pressure Check
    220
  - Power Supply Waveforms Check
    221
  - Inverter Units Refrigerant System Check
    221
  - Capacitor Voltage Check
    222
  - Power Transistor Check
    222
  - Main Circuit Electrolytic Capacitor Check
    223
  - Hall IC Check
    224
Part 7 Removal Procedure

226
- Outdoor Unit (80 / 90 Class)
  227
  - Removal of Outer Panels
    227
  - Removal of Propeller Fans
    230
  - Removal of Electrical Box
    231
  - Removal of PCB
    238
  - Removal of Fan Motor
    241
  - Removal of Electronic Expansion Valve and Thermistor
    243
  - Removal of Sound Insulation and Reactor
    244
  - Removal of Shunt
    246
  - Removal of Solenoid Valve and Four Way Valve
    247
  - Removal of Compressor
    249
- Outdoor Unit (50 / 52 / 58 / 68 / 75 Class)
  251
Part 8 Others

266
- Others
  267
  - Test Run from the Remote Controller
    267
  - Jumper Settings
    268
Part 9 Appendix

270
- Piping Diagrams
  271
  - Indoor Units
    271
  - Outdoor Units
    277
  - Heat Pump
    282
- Wiring Diagrams
  284
  - Indoor Units
    284
  - Outdoor Units
    287

Daikin 3MKS50BVMB8 Service Manual (298 pages)

Super multi NX C-series

Brand: Daikin | Category: Air conditioning | Size: 7 MB

Table of Contents
3
Introduction
8
Safety Cautions
8
Part 1 List of Functions
12
List of Functions
13
Cooling Only Models
13
Heat Pump Models
19
Part 2 Specifications
29
Specifications
29
Indoor Units - Cooling Only
29
Outdoor Units - Cooling Only
41
Indoor Units - Heat Pump
47
Outdoor Units - Heat Pump
62
Part 3 Printed Circuit Board Connector Wiring Diagram
68
Printed Circuit Board Connector Wiring Diagram
69
Wall Mounted Type 20/25/35 Class
69
Wall Mounted Type 50/60/71 Class
72
Duct Connected Type
74
Floor / Ceiling Suspended Dual Type
75
Floor Standing Type
77
Outdoor Units
80
Part 4 Function and Control
82
Main Functions
83
Frequency Principle
83
Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
85
Fan Speed Control for Indoor Units
86
Programme Dry Function
87
Automatic Operation
88
Night Set Mode
89
Intelligent Eye
90
Home Leave Operation
92
Inverter Powerful Operation
93
Other Functions
94
Function of Main Structural Parts
96
Main Structural Parts
96
Function of Thermistor
97
Control Specification
101
Mode Hierarchy
101
Frequency Control
102
Controls at Mode Changing / Start-Up
104
Discharge Pipe Control
105
Input Current Control
105
Freeze-Up Protection Control
106
Heating Peak-Cut Control
106
Fan Control
107
Moisture Protection Function 2
107
Defrost Control
108
Low Hz High Pressure Limit
109
Electronic Expansion Valve Control
109
Malfunctions
114
Forced Operation Mode
115
Wiring-Error Check
116
Additional Function
118
Part 5 System Configuration
120
System Configuration
121
Operation Instructions
121
System Configuration Part
121
Instruction
122
Contents and Reference Page
122
Safety Precautions
123
Names of Parts
125
Preparation before Operation
137
AUTO · DRY · COOL · HEAT · FAN Operation
140
Adjusting the Air Flow Direction
142
POWERFUL Operation
148
OUTDOOR UNIT SILENT Operation
149
HOME LEAVE Operation
150
INTELLIGENT EYE Operation
152
TIMER Operation
156
Note for Multi System
158
Care and Cleaning
160
Troubleshooting
170
Part 6 Service Diagnosis
174
Caution for Diagnosis
175
Troubleshooting with the Operation Lamp
175
Problem Symptoms and Measures
177
Service Check Function
178
Code Indication on the Remote Controller
179
Error Codes and Description of Fault
179
Troubleshooting
180
Indoor Units
180
Outdoor Units
181
Indoor Unit PCB Abnormality
182
Freeze-Up Protection Control or High Pressure Control
183
Fan Motor or Related Abnormality
185
Thermistor or Related Abnormality (Indoor Unit)
188
Shutter Drive Motor / Shutter Limit Switch Abnormality
189
Signal Transmission Error (between Indoor and Outdoor Units)
190
Unspecified Voltage (between Indoor and Outdoor Units)
191
Freeze-Up Protection Control
192
OL Activation (Compressor Overload)
194
Compressor Lock
195
DC Fan Lock
196
Input over Current Detection
197
Four Way Valve Abnormality
199
Discharge Pipe Temperature Control
201
Position Sensor Abnormality
202
CT or Related Abnormality
203
Thermistor or Related Abnormality (Outdoor Unit)
205
Electrical Box Temperature Rise
207
Radiation Fin Temperature Rise
209
Output over Current Detection
211
Insufficient Gas
213
Low-Voltage Detection
215
Anti-Icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)
216
Check
217
How to Check
217
Part 7 Removal Procedure
228
Outdoor Unit (80 / 90 Class)
229
Removal of Outer Panels
229
Removal of Propeller Fans
232
Removal of Electrical Box
233
Removal of PCB
240
Removal of Fan Motor
243
Removal of Electronic Expansion Valve and Thermistor
245
Removal of Sound Insulation and Reactor
246
Removal of Shunt
248
Removal of Solenoid Valve and Four Way Valve
249
Removal of Compressor
251
Outdoor Unit (50 / 52 / 58 / 68 / 75 Class)
253
Removal of Outer Panels
253
Removal of Electrical BOX
254
Removal of PCB
258
Removal of Fan Motor
261
Removal of Sound Insulation
262
Removal of Four Way Valve Coil, Solenoid Valve Coil
263
Electronic Expansion Valve Coil and Thermistor
263
Removal of Four Way Valve, Solenoid Valve and Shunt
265
Removal of Solenoid Valve and Shunt
266
Removal of Compressor
267
Part 8 Others
268
Others
269
Test Run from the Remote Controller
269
Jumper Settings
270
Part 9 Appendix
272
Piping Diagrams
273
Indoor Units
273
Outdoor Units
277
Wiring Diagrams
284
Indoor Units
284
Outdoor Units
287

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Daikin 3MKS50BVMB8 Air Conditioner Manuals

Daikin 3MKS50BVMB8 Service Manual (298 pages)

Table of Contents

Part 1 List of Functions

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Function and Control

Part 5 System Configuration

Part 6 Service Diagnosis

Part 7 Removal Procedure

Part 8 Others

Part 9 Appendix

Daikin 3MKS50BVMB8 Service Manual (298 pages)

Table of Contents

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