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RXYSQ4-5-6PA7Y1B
Daikin RXYSQ4-5-6PA7Y1B Manuals
Manuals and User Guides for Daikin RXYSQ4-5-6PA7Y1B. We have
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Daikin RXYSQ4-5-6PA7Y1B manual available for free PDF download: Service Manual
Daikin RXYSQ4-5-6PA7Y1B Service Manual (282 pages)
VRV iii-S
Brand:
Daikin
| Category:
Heat Pump
| Size: 10.19 MB
Table of Contents
Table of Contents
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
21
Ceiling Suspended Type
33
Part 3 List of Electrical and Functional Parts
40
List of Electrical and Functional Parts
41
Outdoor Unit
41
Indoor Unit
43
Part 4 Refrigerant Circuit
50
Refrigerant Circuit
51
Outdoor Unit
51
Functional Parts Layout
55
Rxysq4 / 5 / 6Pa7Y1B
55
Rxysq4 / 5 / 6Pa7V1B
56
Back View
57
Part 5 Function
58
Operation Mode
59
Basic Control
60
Normal Operation
60
Compressor PI Control
61
Electronic Expansion Valve PI Control
62
Cooling Operation Fan Control
63
Special Control
64
Startup Control
64
Oil Return Operation
65
Defrosting Operation
67
Pump-Down Residual Operation
68
Restart Standby
69
Sibe34
69
Stopping Operation
70
Protection Control
71
High Pressure Protection Control
71
Low Pressure Protection Control
72
Discharge Pipe Protection Control
73
Inverter Protection Control
74
Other Control
75
Demand Operation
75
Heating Operation Prohibition
75
Outline of Control (Indoor Unit)
76
Drain Pump Control
76
Louver Control for Preventing Ceiling Dirt
78
Thermostat Sensor in Remote Controller
79
Freeze Prevention
81
View of Operations of Swing Flaps
82
Swing Flaps
82
Electronic Expansion Valve Control
83
Hot Start Control (in Heating Operation Only)
83
Part 6 Test Operation
84
Test Operation
85
Procedure and Outline
85
Air Tight Test and Vacuum Drying
86
Additional Refrigerant Charge
86
Important Information Regarding the Refrigerant Used
87
Operation When Power Is Turned on
96
Outdoor Unit PC Board Layout
97
Field Setting
98
Field Setting from Remote Controller
98
Detailed Explanation of Setting Modes
104
Field Setting from Outdoor Unit
115
Part 7 Troubleshooting
134
Symptom-Based Troubleshooting
136
Troubleshooting by Remote Controller
139
The INSPECTION / TEST Button
139
Self-Diagnosis by Wired Remote Controller
140
Self-Diagnosis by Wireless Remote Controller
141
Operation of the Remote Controller's Inspection / Test Operation Button
143
Remote Controller Service Mode
144
Remote Controller Self-Diagnosis Function
146
A0" Indoor Unit
153
Error of External Protection Device
153
A0" Indoor Unit: Error of External Protection Device
153
A1" Indoor Unit
154
PC Board Defect
154
A1" Indoor Unit: PC Board Defect
154
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
155
A6" Indoor Unit
157
Fan Motor (M1F) Lock, Overload
157
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
157
A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S)
158
Malfunction of Swing Flap Motor (M1S)
158
Abnormal Power Supply Voltage
160
A9" Indoor Unit
161
Electronic Expansion Valve (Y1E)
161
A9" Indoor Unit: Malfunction of Moving Part of
161
AF" Indoor Unit
163
Drain Level above Limit
163
AF" Indoor Unit: Drain Level above Limit
163
AJ" Indoor Unit: Malfunction of Capacity Determination Device
164
C1" Indoor Unit: Failure of Transmission
165
(Between Indoor Unit PC Board and Fan PC Board)
165
C4" Indoor Unit
167
C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
167
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
168
C6" Indoor Unit: Failure of Combination
169
(Between Indoor Unit PC Board and Fan PC Board)
169
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
170
CA" Indoor Unit
171
CA" Indoor Unit: Malfunction of Thermistor for Discharge Air
171
CC" Indoor Unit: Malfunction of Humidity Sensor System
172
Malfunction of Humidity Sensor System
172
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
173
Remote Controller
173
E1" Outdoor Unit: PC Board Defect
174
E3" Outdoor Unit
175
Actuation of High Pressure Switch
175
E3" Outdoor Unit: Actuation of High Pressure Switch
175
E4" Outdoor Unit
177
Actuation of Low Pressure Sensor
177
E4" Outdoor Unit: Actuation of Low Pressure Sensor
177
Troubleshooting by Indication on the Remote Controller
153
E5" Inverter Compressor Motor Lock
179
Inverter Compressor Motor Lock
179
E7" Malfunction of Outdoor Unit Fan Motor
180
Malfunction of Outdoor Unit Fan Motor
180
E9" Outdoor Unit
181
Electronic Expansion Valve (Y1E, Y3E)
181
F3" Outdoor Unit
183
Abnormal Discharge Pipe Temperature
183
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
183
F6" Outdoor Unit: Refrigerant Overcharged
184
Outdoor Unit: Refrigerant Overcharged
184
H9" Outdoor Unit
185
H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air
185
J3" Outdoor Unit
186
Malfunction of Discharge Pipe Thermistor (R2T)
186
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)
186
Suction Pipe 1, 2
187
J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2
187
J6" Outdoor Unit
188
Malfunction of Thermistor (R6T)
188
J6" Outdoor Unit: Malfunction of Thermistor (R6T)
188
J7" Outdoor Unit
189
Outdoor Unit Liquid Pipe
189
J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe
189
J9" Outdoor Unit
190
Malfunction of Thermistor (R4T)
190
J9" Outdoor Unit: Malfunction of Thermistor (R4T)
190
JA" Outdoor Unit
191
Malfunction of High Pressure Sensor
191
JA" Outdoor Unit: Malfunction of High Pressure Sensor
191
JC" Outdoor Unit
192
Malfunction of Low Pressure Sensor
192
JC" Outdoor Unit: Malfunction of Low Pressure Sensor
192
L1" Outdoor Unit
193
Malfunction of PC Board
193
L1" Outdoor Unit: Malfunction of PC Board
193
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin
194
Temperature Rise
194
L5" Outdoor Unit: Inverter Compressor Abnormal
195
Inverter Compressor Abnormal
195
L8" Outdoor Unit: Inverter Current Abnormal
196
Inverter Current Abnormal
196
L9" Outdoor Unit: Inverter Start up Error
197
Inverter Start up Error
197
LC" Outdoor Unit: Malfunction of Transmission between
198
Inverter and Control PC Board
198
P1" Outdoor Unit: High Voltage of Capacitor in
199
Main Inverter Circuit
199
Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure
200
Electronic Expansion Valve Failure
200
U2" Power Supply Insufficient or Instantaneous Failure
202
Power Supply Insufficient or Instantaneous Failure
202
U3" Check Operation Not Executed
204
Check Operation Not Executed
204
Malfunction of Transmission between Indoor Units and Outdoor Units
205
U5" Malfunction of Transmission between Remote Controller and Indoor Unit
207
Indoor Unit
207
Malfunction of Transmission between Main and Sub Remote Controllers
208
Controllers
208
Malfunction of Transmission between Indoor and Outdoor Units in the same System
209
U9" Malfunction of Transmission between Indoor and Outdoor Units in the same System
209
Sibe34
210
UA" Excessive Number of Indoor Units
211
UC" Address Duplication of Central Remote Controller
212
Malfunction of Transmission between Central Remote Controller and Indoor Unit
213
UE" Malfunction of Transmission between Central Remote Controller and Indoor Unit
213
UF" System Is Not Set yet
215
UH" Malfunction of System, Refrigerant System Address Undefined
216
Troubleshooting by Indication on the Centralized Remote Controller
217
UE" Malfunction of Transmission between
217
UE" Malfunction of Transmission between Centralized Remote Controller and Indoor Unit
217
M1" PC Board Defect
218
Malfunction of Transmission between Optional Controllers for Centralized Control
219
Optional Controllers for Centralized Control
219
Improper Combination of Optional Controllerslers for Centralized Controllers
220
MA" Improper Combination of Optional Controllers for Centralized Control
220
MC" Address Duplication, Improper Setting
222
Troubleshooting by Indication on the Unified ON/OFF Controller
223
Operation Lamp Blinks
223
Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)
225
Display "Under Host Computer Integrate Control" Blinks
225
Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink)
228
(Repeats Double Blink)
228
Part 8 Appendix
232
Piping Diagrams
233
Outdoor Unit
233
Indoor Unit
235
Wiring Diagrams
238
Outdoor Unit
238
Field Wiring
240
Indoor Unit
242
Option List
257
Option List of Controllers
257
Option List of Outdoor Unit
259
Example of Connection
260
Thermistor Resistance / Temperature Characteristics
262
Pressure Sensor
264
Method of Replacing the Inverter's Power Transistors Modules
265
Part 9 Precautions for New Refrigerant (R-410A)
268
Precautions for New Refrigerant (R-410A)
269
Outline
269
Refrigerant Cylinders
271
Service Tools
272
Index
278
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