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Daikin FXDQ12MVJU Manuals
Manuals and User Guides for Daikin FXDQ12MVJU. We have
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Daikin FXDQ12MVJU manuals available for free PDF download: Service Manual, Serivce Manual, Serveice Manual, Engineering Data, Installation Manual, Operation Manual
Daikin FXDQ12MVJU Service Manual (312 pages)
Water Cooled Inverter Series Heat Pump Heat Recovery-60Hz R-410A
Brand:
Daikin
| Category:
Heat Pump
| Size: 14 MB
Table of Contents
Table of Contents
2
Introduction
8
Safety Cautions
8
Preface
12
Part 1 General Information
14
Features
15
Design Flexibility
16
Easy Installation
18
Energy Saving
19
Enhanced Usability
20
Outside Unit Lineup
21
Model Names
22
Water Cooled System
22
External Appearance
23
Indoor Units
23
Outside Units
24
Combination of Outside Units
25
Capacity Range
26
Part 2 Specifications
28
Outside Units
29
BS Units
36
Indoor Units
37
Ceiling Suspended Type
44
Floor Standing Type
47
Part 3 Refrigerant Circuit
50
Refrigerant Circuit
51
Rweyq60Mtju / Rweyq72Mtju / Rweyq84Mtju
51
Refrigerant Circuit Part
51
Bsvq36, 60M
53
Functional Parts Layout
54
Rweyq60Mtju / Rweyq72Mtju / Rweyq84Mtju
54
Front View
55
Refrigerant Flow for each Operation Mode
56
In Case of Heat Pump Connection
56
In Case of Heat Recovery Connection (One Outside Unit Installation)
58
In Case of Heat Recovery Connection (3 Outside Units Connection.)
62
In Case of Heat Recovery Connection
62
(3 Outside Units Connection.)
62
Part 4 Function
66
Function General
68
Symbol
68
Operation Mode
69
Normal Operation
70
BS Unit & Indoor Unit Operation Mode Detail
71
Stop
72
Stopping Operation
72
Standby
74
Restart Standby
74
Crankcase Heater Control
74
Startup Control
75
Cooling Start-Up Control
75
Heating Start-Up Control
76
Pressure Equalizing Control
77
Normal Control
78
Compressor Control
78
Unit Installation
79
Electronic Expansion Valve Control
80
Heat Exchange Mode in Heating Operation or Simultaneous Cooling / Heating Operation
81
Protection Control
83
High Pressure Protection Control
83
Low Pressure Protection Control
84
Discharge Pipe Protection Control
86
Inverter Protection Control
87
Cooling Fan Control
88
Special Operation
89
Oil Return Operation
89
Oil Return Operation of Water Heat Exchanger
91
Pump-Down Residual Operation Control
92
Refrigerant Drift Prevention
94
Other Control
95
Outside Unit Rotation
95
Outline of Control (Indoor Unit)
96
Drain Pump Control
96
Louver Control for Preventing Ceiling Dirt
98
Thermostat Sensor in Remote Controller
99
Thermostat Control While in Normal Operation
101
Thermostat Control in Dry Operation
101
Electronic Expansion Valve Control
102
Hot Start Control (in Heating Operation Only)
102
Heater Control
103
List of Swing Flap Operations
104
Freeze Prevention
105
Part 5 Test Operation
106
Test Operation
107
Procedure and Outline
107
Check Operation
109
Outside Unit PC Board Layout
111
Field Setting
112
Field Setting from Remote Controller
112
Simplified Remote Controller
114
Detailed Explanation of Setting Modes
116
External On/Off Input
117
Brc7C Type
120
Contents of Control Modes
121
Field Setting from Outside Unit
123
Image of Operation in the Case of a
140
Image of Operation in the Case of B
140
Emergency Operation
148
Part 6 Troubleshooting
150
Troubleshooting by Remote Controller
153
The INSPECTION / TEST Button
153
Self-Diagnosis by Wired Remote Controller
154
Self-Diagnosis by Wireless Remote Controller
155
Operation of the Remote Controller's Inspection / Test Operation Button
157
Remote Controller Service Mode
158
Remote Controller Self-Diagnosis Function
160
Malfunction Code Indication by Outdoor Unit Pcb
163
Troubleshooting by Indication on the Remote Controller
167
A0" Indoor Unit: Error of External Protection Device
167
A1" Indoor Unit: PC Board Defect
168
PC Board Defect
168
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
169
Troubleshooting
170
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
171
A7" Indoor Unit: Malfunction of Swing Flap Motor (MA)
175
A9" Indoor Unit: Malfunction of Moving Part of
177
Electronic Expansion Valve (Y1E)
177
AF" Indoor Unit: Drain Level above Limit
179
AJ" Indoor Unit: Malfunction of Capacity Determination Device
180
C4" Indoor Unit: Malfunction of Thermistor (R2T) for
181
Heat Exchanger
181
Malfunction of Thermistor (R3T) for Gas Pipes
182
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
182
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
183
CJ" Indoor Unit Remote Controller
184
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
184
Remote Controller
184
PC Board Defect
185
E1" Outside Unit: PC Board Defect
185
E3" Outside Unit
186
Actuation of High Pressure Switch
186
E3" Outside Unit: Actuation of High Pressure Switch
186
E4" Outside Unit: Actuation of Low Pressure Sensor
188
Actuation of Low Pressure Sensor
188
Compressor Motor Lock
190
E5" Compressor Motor Lock
190
E9" Outside Unit
192
Electronic Expansion Valve (Y1E, Y3E)
192
F3" Outside Unit: Abnormal Discharge Pipe Temperature
194
Abnormal Discharge Pipe Temperature
194
Refrigerant Overcharged
195
F6" Refrigerant Overcharged
195
HJ" Malfunction of Water System
197
J3" Outside Unit
199
Malfunction of Discharge Pipe Thermistor (R3T)
199
J3" Outside Unit: Malfunction of Discharge Pipe Thermistor (R3T)
199
J4" Malfunction of Heat Exchanger Gas Pipe Thermistor (R4T)
200
J5" Outside Unit
201
J5" Outside Unit: Malfunction of Thermistor (R2T) for Suction Pipe
201
Malfunction of Thermistor (R2T) for
201
Malfunction of Liquid Pipe Thermistor (R6T)
202
J7" Malfunction of Liquid Pipe Thermistor (R6T)
202
J9" Malfunction of Sub Cooling Heat Exchanger Outlet Thermistor (R5T)
203
JA" Outside Unit: Malfunction of Discharge Pipe Pressure Sensor
204
JC" Outside Unit: Malfunction of Suction Pipe Pressure Sensor
206
Malfunction of PC Board
208
L1" Outdoor Unit: Malfunction of PC Board
208
L4" Outside Unit: Malfunction of Inverter Radiating Fin
209
Temperature Rise (R1T)
209
L5" Outside Unit: Inverter Compressor Abnormal
210
Inverter Compressor Abnormal
210
L8" Outside Unit: Inverter Current Abnormal
211
L9" Outside Unit: Inverter Start up Error
213
Inverter Start up Error
213
Inverter and Control PC Board
214
LC" Outside Unit: Malfunction of Transmission between
214
Inverter Over-Ripple Protection
216
P1" Outside Unit: Inverter Over-Ripple Protection
216
P4" Outside Unit: Malfunction of Inverter Radiating Fin
218
Temperature Sensor
218
Faulty Combination of PC Board
219
UO" Low Pressure Drop Due to Refrigerant Shortage or
220
Electronic Expansion Valve Failure
220
Reverse Phase, Open Phase
222
U1" Reverse Phase, Open Phase
222
Power Supply Insufficient or Instantaneous Failure
223
U2" Power Supply Insufficient or Instantaneous Failure
223
Check Operation Not Executed
225
U3" Check Operation Not Executed
225
U4" Malfunction of Transmission between Indoor Units
226
U5" Malfunction of Transmission between Remote Controller and Indoor Unit
228
Indoor Unit
228
U7" Malfunction of Transmission between Outside Units
229
U8" Malfunction of Transmission between Master and
231
Slave Remote Controllers
231
U9" Malfunction of Transmission between Indoor and Outside Units in the same System
232
UA" Indoor & Outside Units and Remote Controller
234
Combination Failure
234
UC" Address Duplication of Centralized Controller
236
UE" Malfunction of Transmission between Centralized Controller and Indoor Unit
237
UF" Refrigerant System Not Set, Incompatible Wiring/Piping
239
UH" Malfunction of System, Refrigerant System Address Undefined
240
Troubleshooting (OP: Central Remote Controller)
242
PC Board Defect
242
M1" PC Board Defect
242
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
243
Improper Combination of Optional Controllerslers for Centralized Controllers
245
Centralized Control
245
Address Duplication, Improper Setting
247
MC" Address Duplication, Improper Setting
247
Troubleshooting (OP: Schedule Timer)
248
Malfunction of Transmission between Centralized Controller and Indoor Unit
248
Indoor Unit
248
PC Board Defect
250
M1" PC Board Defect
250
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
251
Improper Combination of Optional Controllerslers for Centralized Controllers
253
Centralized Control
253
MC" Address Duplication, Improper Setting
255
Troubleshooting (OP: Unified ON/OFF Controller)
256
Operation Lamp Blinks
256
Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)
258
Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink)
261
Part 7 Procedure for Mounting
268
Dismounting of Switch Box
268
Procedure for Mounting / Dismounting of Switch Box
269
Procedure for Dismounting
269
Procedure for Mounting
269
Part 8 Appendix
272
Piping Diagrams
273
Outside Units
273
Indoor Unit
274
BS Unit
276
Wiring Diagrams
277
Outside Unit
277
Outside Unit Field Wiring
278
Indoor Unit
280
BS Unit
284
List of Electrical and Functional Parts
285
Outside Unit
285
Indoor Side
286
Option List
289
Optional Accessories
289
Thermistor Resistance / Temperature Characteristics
291
Pressure Sensor
293
Method of Replacing the Inverter's Power Transistors and Diode Modules
294
Part 9 Precautions for New Refrigerant (R-410A)
296
Precautions for New Refrigerant (R-410A)
297
Outline
297
Service Tools
299
Malfunction of Capacity Determination Device
307
Advertisement
Daikin FXDQ12MVJU Serveice Manual (273 pages)
R-410A Heat Recovery 60Hz
Brand:
Daikin
| Category:
Air Conditioner
| Size: 10.2 MB
Table of Contents
Table of Contents
2
Introduction
7
Safety Cautions
7
Caution in Repair
7
Cautions Regarding Products after Repair
8
Inspection after Repair
9
Using Icons
10
Using Icons List
10
Preface
11
Part 1 General Information
12
Model Names of Indoor/Outdoor Units
13
External Appearance
14
Indoor Units
14
Outdoor Units
14
Model Selection
15
Part 2 Specifications
16
Specifications
17
Outdoor Units
17
Indoor Units
22
Ceiling Suspended Type
29
Wall Mounted Type
30
Floor Standing Type
32
BS Units
34
Part 3 Refrigerant Circuit
36
Refrigerant Circuit
37
Reyq72M, 96M
37
Bsvq36, 60M
39
Functional Parts Layout
40
Reyq72M, 96M
40
Front View
41
Refrigerant Flow for each Operation Mode
42
Part 4 Function
48
Function General
49
Symbol
49
Operation Mode
50
Basic Control
51
Normal Operation
51
Compressor PI Control
52
Electronic Expansion Valve PI Control
56
Cooling Operation Fan Control
57
Heat Exchange Mode in Heating Operation or Simultaneous Cooling / Heating Operation
58
Special Control
59
Startup Control
59
Oil Return Operation
61
Defrosting Operation
63
Pressure Equalizing Control
64
Pump-Down Residual Operation
65
Restart Standby
67
Stopping Operation
68
Protection Control
70
High Pressure Protection Control
70
Low Pressure Protection Control
71
Discharge Pipe Protection Control
72
Inverter Protection Control
73
STD Compressor Overload Protection
74
Other Control
75
Outdoor Unit Rotation
75
Emergency Operation
76
Demand Operation
78
Heating Operation Prohibition
78
Outline of Control (Indoor Unit)
79
Drain Pump Control
79
Thermostat Sensor in Remote Controller
81
Freeze Prevention
83
Part 5 Test Operation
84
Test Operation
85
Procedure and Outline
85
Check Operation
86
Operation When Power Is Turned on
88
Outdoor Unit PC Board Layout
89
Field Setting
90
Field Setting from Remote Controller
90
Simplified Remote Controller
92
Detailed Explanation of Setting Modes
94
Field Setting from Outdoor Unit
102
Setting by Pushbutton Switches
103
Image of Operation in the Case of a
114
Image of Operation in the Case of B
114
Part 6 Troubleshooting
122
Troubleshooting by Remote Controller
125
The INSPECTION / TEST Button
125
Self-Diagnosis by Wired Remote Controller
126
Self-Diagnosis by Wireless Remote Controller
127
Operation of the Remote Controller's Inspection / Test Operation Button
130
Remote Controller Service Mode
131
Remote Controller Self-Diagnosis Function
133
Malfunction Code Indication by Outdoor Unit Pcb
136
Troubleshooting
136
Troubleshooting by Indication on the Remote Controller
138
A0" Indoor Unit: Error of External Protection Device
138
A1" Indoor Unit: PC Board Defect
139
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
140
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
142
Fan Motor (M1F) Lock, Overload
142
A7" Indoor Unit: Malfunction of Swing Flap Motor (MA)
143
A9" Indoor Unit: Malfunction of Moving Part of
145
Malfunction of Moving Part of Electronic Expansion Valve (20E)
145
Electronic Expansion Valve (20E)
145
Expansion Valve (20E)
145
AF" Indoor Unit: Drain Level above Limit
147
AJ" Indoor Unit
148
Malfunction of Capacity Determination Device
148
AJ" Indoor Unit: Malfunction of Capacity Determination Device
148
C4" Indoor Unit: Malfunction of Thermistor (R2T)
149
For Heat Exchanger
149
C4" Indoor Unit: Malfunction of Thermistor (R2T) for
149
Heat Exchanger
149
For Gas Pipes
150
C5" Indoor Unit: Malfunction of Thermistor (R31T, R32T) for Gas Pipes
150
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
151
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
152
Remote Controller
152
E1" Outdoor Unit: PC Board Defect
153
E3" Outdoor Unit: Actuation of High Pressure Switch
154
Actuation of Low Pressure Sensor
155
E4" Outdoor Unit: Actuation of Low Pressure Sensor
155
Compressor Motor Lock (INV Compressor)
156
E5" Compressor Motor Lock (INV Compressor)
156
E6" Compressor Motor Overcurrent/Lock (STD Compressor)
157
Malfunction of Outdoor Unit Fan Motor
158
E7" Malfunction of Outdoor Unit Fan Motor
158
E9" Outdoor Unit: Malfunction of Moving Part of
160
Electronic Expansion Valve (Y1E, Y2E, Y3E)
160
2.20 " F3 " Outdoor Unit
162
Abnormal Discharge Pipe Temperature
162
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
162
Refrigerant Overcharged
163
F6" Refrigerant Overcharged
163
Abnormal Outdoor Fan Motor Signal
164
H7" Abnormal Outdoor Fan Motor Signal
164
2.23 " H9 " Outdoor Unit
165
Malfunction of Thermistor for Outdoor Air (R1T)
165
H9" Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)
165
Current Sensor Malfunction
166
J2" Current Sensor Malfunction
166
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31~32T)
167
J4" Malfunction of Heat Exchanger Gas Pipe Thermistor (R81, 82T)
168
J5" Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe
169
J6" Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger
170
Malfunction of Receiver Outlet Liquid Pipe Thermistor (R6T)
171
J7" Malfunction of Receiver Outlet Liquid Pipe Thermistor (R6T)
171
Malfunction of Oil Equalizing Pipe Thermistor (R7T)
172
J8" Malfunction of Oil Equalizing Pipe Thermistor (R7T)
172
Malfunction of Sub-Cooling Heat Exchanger Gas Pipe Thermistor (R5T)
173
J9" Malfunction of Sub-Cooling Heat Exchanger Gas Pipe Thermistor (R5T)
173
2.32 " JA " Outdoor Unit
174
Malfunction of Discharge Pipe Pressure Sensor
174
JA" Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor
174
2.33 " JC " Outdoor Unit
175
Malfunction of Suction Pipe Pressure Sensor
175
JC" Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
175
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin
176
Temperature Rise
176
L5" Outdoor Unit: Inverter Compressor Abnormal
177
Inverter Compressor Abnormal
177
Inverter Current Abnormal
178
L8" Outdoor Unit: Inverter Current Abnormal
178
Inverter Start up Error
179
L9" Outdoor Unit: Inverter Start up Error
179
Inverter and Control PC Board
180
And Control PC Board
180
P1" Outdoor Unit: Inverter Over-Ripple Protection
182
2.40 " P4 " Outdoor Unit
183
Temperature Rise Sensor
183
PC Board or Faulty Combination of PC Board
184
PJ" Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC Board
184
Electronic Expansion Valve Failure
185
Shortage or Electronic Expansion Valve Failure
185
UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant
185
Outdoor Unit: Reverse Phase, Open Phase
186
U1" Outdoor Unit: Reverse Phase, Open Phase
186
Outdoor Unit: Power Supply Insufficient or Instantaneous Failure
187
Instantaneous Failure
187
U3" Outdoor Unit: Check Operation Not Executed
189
Check Operation Not Executed
189
Malfunction of Transmission between Indoor Units
190
U4" Malfunction of Transmission between Indoor Units
190
Remote Controller and Indoor Unit
192
U5" Indoor Unit: Malfunction of Transmission between
192
Outdoor Units
193
U7" Indoor Unit: Malfunction of Transmission between
193
MAIN and SUB Remote Controllers
195
U8" Indoor Unit: Malfunction of Transmission between
195
2.50 " U9 " Indoor Units
196
Indoor Units and Outdoor Units in the same System
196
UA" Improper Combination of Indoor Units and
198
UA" Improper Combination of Indoor Units and Outdoor Units/Indoor Units and Remote Controller
198
Address Duplication of Centralized Remote Controller
199
UC" Address Duplication of Centralized Remote Controller
199
Malfunction of Transmission between Centralized Controller and Indoor Unit
200
Indoor Unit
200
System Is Not Set yet
202
UF" System Is Not Set yet
202
Malfunction of System, Refrigerant System Address Undefined
203
Refrigerant System Address Undefined
203
Troubleshooting (OP: Central Remote Controller)
205
PC Board Defect
205
M1" PC Board Defect
205
Malfunction of Transmission between Optional Controllers for Centralized Control
206
Centralized Control
206
Improper Combination of Optional Controllers for Centralized Control
207
MA" Improper Combination of Optional Controllers for Centralized Control
207
Address Duplication, Improper Setting
209
MC" Address Duplication, Improper Setting
209
Troubleshooting (OP: Schedule Timer)
210
Malfunction of Transmission between Centralized Controller and Indoor Unit
210
UE" Malfunction of Transmission between Centralized Controller and Indoor Unit
210
PC Board Defect
212
M1" PC Board Defect
212
Malfunction of Transmission between Optional Controllers for Centralized Control
213
Centralized Control
213
Improper Combination of Optional Controllerslers for Centralized Controllers
214
MA" Improper Combination of Optional Controllers for Centralized Control
214
Address Duplication, Improper Setting
216
MC" Address Duplication, Improper Setting
216
Troubleshooting (OP: Unified ON/OFF Controller)
217
Operation Lamp Blinks
217
Display "Under Centralized Control" Blinks (Repeats Single Blink)
219
Display "Under Centralized Control" Blinks (Repeats Double Blink)
222
Part 7 Replacement Procedure for INV Compressor
226
Vrv (Reyq72M, 96M)
226
Replacement Procedure for INV Compressor, VRV (REYQ72M, 96M)
227
Replacement Procedure
227
Part 8 Appendix
228
Piping Diagrams
229
Outdoor Unit
229
Indoor Unit
230
BS Unit
232
Wiring Diagrams for Reference
233
Outdoor Unit
233
Field Wiring
234
Indoor Unit
236
BS Unit
240
List of Electrical and Functional Parts
241
Outdoor Unit
241
Indoor Side
242
Option List
245
Option List of Controllers
245
Option Lists (Outdoor Unit)
246
Example of Connection (R-410A Type)
247
Heat Recovery System
247
Example of Connection
248
Thermistor Resistance / Temperature Characteristics
250
Pressure Sensor
252
Method of Replacing the Inverter's Power Transistors and Diode Modules
253
Diode Modules
253
Part 9 Precautions for New Refrigerant (R-410A)
256
Precautions for New Refrigerant (R-410A)
257
Outline
257
Service Tools
259
Index
266
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
266
Drawings & Flow Charts
270
Daikin FXDQ12MVJU Serivce Manual (273 pages)
R-410A Heat Pump 60Hz
Brand:
Daikin
| Category:
Air Conditioner
| Size: 9.7 MB
Table of Contents
Table of Contents
2
Introduction
7
Safety Cautions
7
Caution in Repair
7
Cautions Regarding Products after Repair
8
Inspection after Repair
9
Using Icons
10
Using Icons List
10
Preface
11
Part 1 General Information
12
Model Names of Indoor/Outdoor Units
13
External Appearance
14
Indoor Units
14
Outdoor Units
14
Model Selection
15
Part 2 Specifications
16
Specifications
17
Outdoor Units
17
Indoor Units
22
Ceiling Suspended Type
29
Wall Mounted Type
30
Floor Standing Type
32
Part 3 Refrigerant Circuit
34
Refrigerant Circuit
35
Rxyq72M, 96M
35
Refrigerant Circuit Part
35
Functional Parts Layout
37
Rxyq72M, 96M
37
Refrigerant Flow for each Operation Mode
38
Heating Operation
41
Part 4 Function
42
Operation Mode
43
Basic Control
44
Normal Operation
44
Compressor PI Control
45
Electronic Expansion Valve PI Control
49
Cooling Operation Fan Control
50
Special Control
51
Startup Control
51
Oil Return Operation
52
Defrosting Operation
54
Pump-Down Residual Operation
55
Restart Standby
56
Stopping Operation
57
Pressure Equalization Prior to Startup
59
Protection Control
60
High Pressure Protection Control
60
Low Pressure Protection Control
61
Discharge Pipe Protection Control
62
Inverter Protection Control
63
STD Compressor Overload Protection
64
Other Control
65
Outdoor Unit Rotation
65
Emergency Operation
66
Demand Operation
68
Heating Operation Prohibition
68
Outline of Control (Indoor Unit)
69
Drain Pump Control
69
Thermostat Sensor in Remote Controller
71
Freeze Prevention
73
Part 5 Test Operation
74
Test Operation
75
Procedure and Outline
75
Check Operation
76
Operation When Power Is Turned on
78
Outdoor Unit PC Board Layout
79
Field Setting
80
Field Setting from Remote Controller
80
Simplified Remote Controller
82
Detailed Explanation of Setting Modes
84
Contents of Control Modes
90
Field Setting from Outdoor Unit
92
Setting of Demand Operation
107
Test Operation
108
Image of Operation in the Case of a
108
Image of Operation in the Case of B
108
Additional Refrigerant Charge Total Flow
111
Part 6 Troubleshooting
116
CJ" Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller
116
Troubleshooting by Remote Controller
119
The INSPECTION / TEST Button
119
Self-Diagnosis by Wired Remote Controller
120
Self-Diagnosis by Wireless Remote Controller
121
Operation of the Remote Controller's Inspection / Test Operation Button
123
Remote Controller Service Mode
124
Remote Controller Self-Diagnosis Function
126
Malfunction Code Indication by Outdoor Unit Pcb
129
Troubleshooting by Indication on the Remote Controller
131
A0" Indoor Unit: Error of External Protection Device
131
A1" Indoor Unit: PC Board Defect
132
PC Board Defect
132
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
133
Troubleshooting
134
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
135
Malfunction of Swing Flap Motor (MA)
136
A7" Indoor Unit: Malfunction of Swing Flap Motor (MA)
136
A9" Indoor Unit: Malfunction of Moving Part of
138
Electronic Expansion Valve (20E)
138
AF" Indoor Unit: Drain Level above Limit
140
AJ" Indoor Unit: Malfunction of Capacity Determination Device
141
C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
142
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
143
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
144
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
145
In Remote Controller
145
Remote Controller
145
E1" Outdoor Unit: PC Board Defect
146
Actuation of High Pressure Switch
147
E3" Outdoor Unit: Actuation of High Pressure Switch
147
Actuation of Low Pressure Sensor
148
E4" Outdoor Unit: Actuation of Low Pressure Sensor
148
Compressor Motor Lock
150
E5" Compressor Motor Lock
150
Compressor Motor Overcurrent/Lock
152
E6" Compressor Motor Overcurrent/Lock
152
Malfunction of Outdoor Unit Fan Motor
153
E7" Malfunction of Outdoor Unit Fan Motor
153
E9" Outdoor Unit: Malfunction of Moving Part of
155
Of Electronic Expansion Valve (Y1E, Y2E)
155
Electronic Expansion Valve (Y1E, Y2E)
155
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
157
Abnormal Discharge Pipe Temperature
157
Refrigerant Overcharged
158
F6" Refrigerant Overcharged
158
H7" Abnormal Outdoor Fan Motor Signal
159
2.23 "H9" Outdoor Unit
161
H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air
161
J2" Current Sensor Malfunction
162
2.25 "J3" Outdoor Unit
163
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31~33T)
163
2.26 "J5" Outdoor Unit
164
J5" Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe
164
Malfunction of Thermistor (R2T) for
164
J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
165
J7" Malfunction of Receiver Outlet Liquid Pipe
166
Thermistor (R6T)
166
J8"Malfunction of Oil Equalizing Pipe Thermistor (R7T)
167
Malfunction of Sub-Cooling Gas Pipe Thermistor (R5T)
168
J9" Malfunction of Sub-Cooling Gas Pipe Thermistor (R5T)
168
2.31 "JA" Outdoor Unit
169
Malfunction of Discharge Pipe Pressure Sensor
169
JA" Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor
169
JC" Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
171
Malfunction of Suction Pipe Pressure Sensor
171
2.33 "L4" Outdoor Unit
172
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
172
L5" Outdoor Unit: Inverter Compressor Abnormal
173
Inverter Compressor Abnormal
173
L8" Outdoor Unit: Inverter Current Abnormal
174
L9" Outdoor Unit: Inverter Start up Error
176
Inverter Start up Error
176
2.37 "LC" Outdoor Unit
177
LC" Outdoor Unit: Malfunction of Transmission between Inverter and Control PC Board
177
P1" Outdoor Unit: Inverter Over-Ripple Protection
179
Inverter Over-Ripple Protection
179
2.39 "P4" Outdoor Unit
181
P4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor
181
PC Board or Faulty Combination of PC Board
182
PJ" Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC Board
182
2.41 "UO" Outdoor Unit
183
UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure
183
U1" Outdoor Unit: Reverse Phase, Open Phase
185
Reverse Phase, Open Phase
185
2.43 "U2" Outdoor Unit
186
Or Instantaneous Failure
186
U2" Outdoor Unit: Power Supply Insufficient or Instantaneous Failure
186
U3" Outdoor Unit: Check Operation Not Executed
188
Check Operation Not Executed
188
U4" Malfunction of Transmission between Indoor Units
189
And Outdoor Units
189
U5" Indoor Unit: Malfunction of Transmission between
191
Remote Controller and Indoor Unit
191
Between Outdoor Units
192
U7" Indoor Unit: Malfunction of Transmission
192
U7" Indoor Unit: Malfunction of Transmission between Outdoor Units
192
2.48 "U8" Indoor Unit
194
Malfunction of Transmission between Main and Sub Remote Controllers
194
U8" Indoor Unit: Malfunction of Transmission between Main and Sub Remote Controllers
194
U9" Indoor Unit: Malfunction of Transmission between Indoor Units and Outdoor Units in the same System
195
UA" Improper Combination of Indoor Units
197
UA" Improper Combination of Indoor Units and
197
And Outdoor Units/Indoor Units and Remote Controller
197
Outdoor Units/Indoor Units and Remote Controller
197
UC" Address Duplication of Central Remote Controller
199
UE" Malfunction of Transmission between Centralized Controller and Indoor Unit
200
UF" System Is Not Set yet
202
UH" Malfunction of System, Refrigerant System Address Undefined
203
Troubleshooting (OP: Central Remote Controller)
205
PC Board Defect
205
M1" PC Board Defect
205
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
206
Improper Combination of Optional Controllerslers for Centralized Controllers
208
MA" Improper Combination of Optional Controllers for Centralized Control
208
MC" Address Duplication, Improper Setting
210
Troubleshooting (OP: Schedule Timer)
211
UE" Malfunction of Transmission between Central Remote Controller
211
UE" Malfunction of Transmission between Central Remote Controller and Indoor Unit
211
PC Board Defect
213
M1" PC Board Defect
213
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
214
Improper Combination of Optional Controllerslers for Centralized Controllers
216
MA" Improper Combination of Optional Controllers for Centralized Control
216
MC" Address Duplication, Improper Setting
218
Troubleshooting (OP: Unified ON/OFF Controller)
219
Operation Lamp Blinks
219
Display "Under Centralized Control" Blinks (Repeats Single Blink)
221
Display "Under Centralized Control" Blinks (Repeats Double Blink)
224
Part 7 Replacement Procedure for INV Compressor, VRV
228
Replacement Procedure for INV Compressor, VRV (RXYQ72M, 96M)
229
Replacement Procedure
229
Part 8 Appendix
230
Piping Diagrams
231
Outdoor Unit
231
Indoor Unit
232
Wiring Diagrams for Reference
234
Outdoor Unit
234
Field Wiring
235
Indoor Unit
237
List of Electrical and Functional Parts
241
Outdoor Unit
241
Indoor Side
242
Option List
246
Option List of Controllers
246
Option Lists (Outdoor Unit)
247
Example of Connection
248
Thermistor Resistance / Temperature Characteristics
250
Discharge Pipe
251
Pressure Sensor
252
Method of Replacing the Inverter's Power Transistors and Diode Modules
253
Part 9 Precautions for New Refrigerant (R-410A)
256
Precautions for New Refrigerant (R-410A)
257
Outline
257
Service Tools
259
Index
266
Malfunction of Capacity Determination Device
267
Malfunction of Thermistor (R2T) for Heat Exchanger
267
Drawings & Flow Charts
270
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Daikin FXDQ12MVJU Engineering Data (34 pages)
R-410A Slim Ceiling Mounted Duct Type
Brand:
Daikin
| Category:
Air Conditioner
| Size: 3.98 MB
Table of Contents
Table of Contents
2
Features
3
Specifications
4
Dimensions
6
Piping Diagrams
9
Wiring Diagrams
10
Electric Characteristics
11
Capacity Tables
12
Cooling Capacity
12
Heating Capacity
13
Fan Performances
14
Sound Levels
15
Installation
16
Safety Considerations
17
Before Installation
18
Selecting Installation Site
20
Preparations before Installation
21
Indoor Unit Installation
23
Refrigerant Piping Work
23
Drain Piping Work
25
Installing the Duct
26
Wiring Example
27
Field Setting and Test Run
30
Accessories
33
Daikin FXDQ12MVJU Installation Manual (15 pages)
VRV System Inverter Air Conditioners
Brand:
Daikin
| Category:
Air Conditioner
| Size: 0.51 MB
Table of Contents
Installation Manual
1
Table of Contents
2
Safety Considerations
2
Before Installation
3
Selecting Installation Site
4
Preparations before Installation
5
Indoor Unit Installation
6
Refrigerant Piping Work
7
Drain Piping Work
8
Electric Wiring Work
10
Installing the Duct
10
Wiring Example
11
Field Setting and Test Run
13
Daikin FXDQ12MVJU Operation Manual (7 pages)
VRV System Inverter Air Conditioners
Brand:
Daikin
| Category:
Air Conditioner
| Size: 0.6 MB
Table of Contents
Operation Manual
1
Safety Considerations
2
Part Name and Functions
4
Maintenance
4
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