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VRVIII-S
Daikin VRVIII-S Manuals
Manuals and User Guides for Daikin VRVIII-S. We have
2
Daikin VRVIII-S manuals available for free PDF download: Manual, Service Manual
Daikin VRVIII-S Manual (385 pages)
VRV Series Pocket Manual
Brand:
Daikin
| Category:
Air Conditioner
| Size: 1.73 MB
Table of Contents
Table of Contents
2
Applicable Model Series
6
Applicable Models
7
VRVII M(A) Series
7
VRVII-S M Series
8
R-410A
9
VRVIII-Q P Series
14
1 Symptom-Based Troubleshooting
17
2 Troubleshooting by Remote Controller
23
The INSPECTION / TEST Button
23
Self-Diagnosis by Wired Remote Controller
24
Wired Remote Controller
24
Checking an Error or Warning
25
Wired Remote Controller
25
Taking Corrective Action
26
Self-Diagnosis by Wireless Remote Controller
27
Indoor Unit
29
2.4 Error Codes and Description
29
Outdoor Unit
33
2.5 Error Codes - Sub Codes
40
Outdoor Unit
43
3 Troubleshooting by Indication on the Remote Controller
51
A0 External Protection Device Abnormality
51
A1 PCB Abnormality
53
A3 Drain Level Control System (S1L) Abnormality
54
A6 Fan Motor (M1F) Lock, Overload
57
A6 Indoor Unit Fan Motor Abnormality
60
A6 Overload/Overcurrent/Lock of Indoor Unit Fan Motor
62
A7 Swing Flap Motor (M1S) Abnormality
68
A8 Power Supply Voltage Abnormality
71
A9 Electronic Expansion Valve Coil Abnormality / Dust Clogging
73
AF Drain Level above Limit
76
AJ Capacity Determination Device Abnormality
78
C1 Transmission Error (between Indoor Unit PCB and Fan PCB)
80
C4 Thermistor for Liquid Pipe Abnormality
83
C5 Thermistor for Gas Pipe Abnormality
85
C6 Combination Abnormality (between Indoor Unit PCB and Fan PCB)
87
C9 Thermistor for Suction Air Abnormality
89
CA Thermistor for Discharge Air Abnormality
91
CC Humidity Sensor System Abnormality
93
CJ Room Temperature Thermistor in Remote Controller Abnormality
95
E1 PCB Abnormality
97
E2 Earth Leakage by Leak Detection PCB Assy
99
E3 Actuation of High Pressure Sensor
102
E3 Abnormal Discharge Pressure
104
E4 Actuation of Low Pressure Sensor
107
E4 Abnormal Suction Pressure
109
E5 Inverter Compressor Motor Lock
112
E6 STD Compressor Motor Overcurrent/Lock
120
E7 Outdoor Unit Fan Motor Abnormality
122
E9 Electronic Expansion Valve Coil Abnormality
135
F3 Abnormal Discharge Pipe Temperature
141
F6 Refrigerant Overcharged
148
H3 High Pressure Switch System Abnormality
153
H7 Outdoor Unit Fan Motor Signal Abnormality
155
H9 Outdoor Air Thermistor Abnormality
160
HJ Water System Error
164
J1 High Pressure Sensor Abnormality
167
J2 Current Sensor Abnormality
170
Compressor Operation
172
J3 Discharge Pipe Thermistor Abnormality
173
J4 Heat Exchanger Gas Pipe Thermistor Abnormality
175
J5 Suction Pipe Thermistor Abnormality
177
J6 Outdoor Unit Heat Exchanger Thermistor Abnormality
179
J7 Liquid Pipe Thermistor Abnormality
181
J8 Thermistor System Abnormality
183
J9 Subcooling Heat Exchanger Gas Pipe Thermistor Abnormality
185
JA High Pressure Sensor Abnormality
187
JA Discharge Pipe Pressure Sensor Abnormality
190
JC Low Pressure Sensor Abnormality
193
JC Suction Pipe Pressure Sensor Abnormality
196
L1 Inverter PCB Abnormality
199
L4 Inverter Radiation Fin Temperature Rise Abnormality
207
L5 Momentary Overcurrent of Inverter Compressor
212
L8 Momentary Overcurrent of Inverter Compressor
218
Output Current Check
219
L9 Inverter Compressor Startup Failure
224
LC Transmission Error between Inverter and Control PCB
231
P1 Inverter Over-Ripple Protection
239
P4 Inverter Radiation Fin Thermistor Abnormality
244
PJ Field Setting Abnormality after Replacing Main PCB or Combination of PCB Abnormality
248
U0 Refrigerant Shortage Alert
255
U1 Reverse Phase, Open Phase
264
U2 Power Supply Insufficient or Instantaneous Error
266
U3 Check Operation Is Not Executed
288
U4 Transmission Error between Indoor Units and Outdoor Units
290
U5 Transmission Error between Remote Controller and Indoor Unit
303
U7 Transmission Error (Across Outdoor Units)
305
U8 Transmission Error between Main and Sub Remote Controllers
319
U9 Transmission Error between Indoor and Outdoor Units in the same System
321
UA Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
326
UC Address Duplication of Centralized Remote Controller
340
UE Transmission Error between Centralized Remote Controller and Indoor Unit
341
UF System Is Not Set yet
346
UH System Abnormality, Refrigerant System Address Undefined
348
Check for Causes of Rise in High Pressure
351
Check for Causes of Drop in Low Pressure
353
Check the Factors of Overheat Operation
356
Power Transistor Check
359
PCB and Circuit Diagram
361
Check for Causes of Wet Operation
362
Check for Overcharge of Refrigerant
364
Diagnosis of Overcharge of Refrigerant
364
Check for Shortage of Refrigerant
366
Diagnosis of Shortage of Refrigerant
366
Vacuuming and Dehydration Procedure
368
Normal Vacuuming and Dehydration
368
Vacuuming and Dehydration
368
Leaving in Vacuum State
368
Special Vacuuming and Dehydration
369
Vacuum Break
369
List of Inverter-Related Error Codes
370
Concept of Inverter-Related Error Codes
372
Thermistor Resistance / Temperature Characteristics
374
For Radiation Fin Thermistor
374
Pressure Sensor
377
Broken Wire Check of the Connecting Wires
378
Master Unit Centralized Connector Setting Table
380
Master-Slave Unit Setting Table
382
Check on Connector of Fan Motor
383
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Daikin VRVIII-S Service Manual (266 pages)
VRV III-S R-410A Heat Pump 50z
Brand:
Daikin
| Category:
Heat Pump
| Size: 9.8 MB
Table of Contents
Table of Contents
2
Heat Pump
2
Part 3 List of Electrical and Functional Parts
2
Part 5 Function
2
Introduction
6
Safety Cautions
6
Preface
10
Part 1 General Information
12
Model Names of Indoor/Outdoor Units
13
External Appearance
14
Indoor Units
14
Capacity Range
15
Part 2 Specifications
16
Outdoor Units
17
Indoor Units
19
Ceiling Suspended Type
35
Floor Standing Type
38
Part 3 List of Electrical and Functional Parts
44
List of Electrical and Functional Parts
45
Outdoor Unit
45
Part 4 Refrigerant Circuit
46
Refrigerant Circuit
47
Rxysq4 / 5 / 6P
47
Functional Parts Layout
49
Rxysq4 / 5 / 6P
49
Part 5 Function
50
Operation Mode
51
Basic Control
52
Normal Operation
52
Compressor PI Control
53
Electronic Expansion Valve PI Control
54
Cooling Operation Fan Control
55
Special Control
56
Startup Control
56
Oil Return Operation
57
Defrosting Operation
59
Pump-Down Residual Operation
60
Restart Standby
61
Stopping Operation
62
Protection Control
63
High Pressure Protection Control
63
Low Pressure Protection Control
64
Discharge Pipe Protection Control
65
Inverter Protection Control
66
Other Control
67
Demand Operation
67
Heating Operation Prohibition
67
Outline of Control (Indoor Unit)
68
Drain Pump Control
68
Remote Control
69
Louver Control for Preventing Ceiling Dirt
70
Thermostat Sensor in Remote Control
71
Freeze Prevention
73
View of Operations of Swing Flaps
74
Electronic Expansion Valve Control
75
Hot Start Control (in Heating Operation Only)
75
Part 6 Test Operation
76
Test Operation
77
Procedure and Outline
77
Check Operation
78
Operation When Power Is Turned on
80
Outdoor Unit PC Board Layout
81
Field Setting
82
Field Setting from Remote Control
82
Simplified Remote Control
84
Detailed Explanation of Setting Modes
87
Field Setting from Outdoor Unit
95
Setting of Low Noise Operation and Demand Operation
106
Setting of Refrigerant Additional Charging Operation
110
Part 7 Troubleshooting
114
Symptom-Based Troubleshooting
116
Troubleshooting by Remote Control
119
The INSPECTION / TEST Button
119
Self-Diagnosis by Wired Remote Control
120
Self-Diagnosis by Infrared Remote Control
121
Operation of the Remote Control's Inspection / Test Operation Button
123
Remote Control Service Mode
124
Remote Control Self-Diagnosis Function
126
A0" Indoor Unit: Error of External Protection Device
133
Troubleshooting by Indication on the Remote Control
133
A1" Indoor Unit: PC Board Defect
134
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
135
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
137
A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S)
138
A9" Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)
140
AF" Indoor Unit: Drain Level above Limit
142
AJ" Indoor Unit: Malfunction of Capacity Determination Device
143
C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
144
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
145
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
146
CA" Indoor Unit: Malfunction of Thermistor for Discharge Air
147
CJ" Indoor Unit: Malfunction of Thermostat Sensor in Remote Control
148
E1" Outdoor Unit: PC Board Defect
149
E3" Outdoor Unit: Actuation of High Pressure Switch
150
E4" Outdoor Unit: Actuation of Low Pressure Sensor
152
E5" Inverter Compressor Motor Lock
154
E7" Malfunction of Outdoor Unit Fan Motor
155
E9" Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E, Y3E)
156
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
158
F6" Outdoor Unit: Refrigerant Overcharged
159
H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air
160
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)
161
J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2
162
J6" Outdoor Unit: Malfunction of Thermistor (R6T) for Outdoor Unit Heat Exchanger
163
J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe
164
J9" Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor (R4T)
165
JA" Outdoor Unit: Malfunction of High Pressure Sensor
166
JC" Outdoor Unit: Malfunction of Low Pressure Sensor
167
L1" Outdoor Unit: Malfunction of PC Board
168
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
169
L5" Outdoor Unit: Inverter Compressor Abnormal
170
L8" Outdoor Unit: Inverter Current Abnormal
171
L9" Outdoor Unit: Inverter Start up Error
172
LC" Outdoor Unit: Malfunction of Transmission between Inverter and Control PC Board
173
P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit
174
UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure
175
U2" Power Supply Insufficient or Instantaneous Failure
177
U3" Check Operation Not Executed
179
U4" Malfunction of Transmission between Indoor Units and Outdoor Units
180
U5" Malfunction of Transmission between Remote Control and Indoor Unit
182
U8" Malfunction of Transmission between Main and Sub Remote Controls
183
U9" Malfunction of Transmission between Indoor and Outdoor Units in the same System
184
UA" Excessive Number of Indoor Units
186
UC" Address Duplication of Central Remote Control
187
UE" Malfunction of Transmission between Central Remote Control and Indoor Unit
188
UF" System Is Not Set yet
190
UH" Malfunction of System, Refrigerant System Address Undefined
191
Troubleshooting by Indication on the Centralized Remote Control
192
UE" Malfunction of Transmission between Centralized Remote Control and Indoor Unit
192
M1" PC Board Defect
193
M8" Malfunction of Transmission between Optional Controllers for Centralized Control
194
MA" Improper Combination of Optional Controllers for Centralized Control
195
MC" Address Duplication, Improper Setting
197
Troubleshooting by Indication on the Unified ON/OFF Control
198
Operation Lamp Blinks
198
Troubleshooting by Indication on the Unified ON/OFF Controller
198
Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)
200
Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink)
203
Part 8 Appendix
208
Piping Diagrams
209
Outdoor Unit
209
Indoor Unit
210
Wiring Diagrams
213
Outdoor Unit
213
Field Wiring
214
Indoor Unit
215
Option List
229
Option List of Controllers
229
Option List of Outdoor Unit
231
Example of Connection
233
Thermistor Resistance / Temperature Characteristics
236
Pressure Sensor
238
Method of Replacing the Inverter's Power Transistors Modules
239
Part 9 Precautions for New Refrigerant (R-410A)
242
Precautions for New Refrigerant (R-410A)
243
Outline
243
Refrigerant Cylinders
245
Service Tools
246
Part 10 Removal Procedure
252
Rxysq4 · 5 · 6 P7Y1B
253
Procedure to Remove Outside Panels
253
Procedure to Remove Propeller Fan and Fan Motor
256
Procedure to Remove Compressor
256
Procedure to Remove Compressor
258
Index
262
Drawings & Flow Charts
264
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