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VRV II-Q RQYQ8-48PY1B
Daikin VRV II-Q RQYQ8-48PY1B Manuals
Manuals and User Guides for Daikin VRV II-Q RQYQ8-48PY1B. We have
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Daikin VRV II-Q RQYQ8-48PY1B manual available for free PDF download: Service Manual
Daikin VRV II-Q RQYQ8-48PY1B Service Manual (213 pages)
R-410A 50Hz Heat Pump
Brand:
Daikin
| Category:
Heat Pump
| Size: 9.71 MB
Table of Contents
Table of Contents
2
Introduction
5
Safety Cautions
5
Used Icons
9
Preface
10
Part 1 General Information
11
Model Names of Indoor / Outdoor Units
12
Indoor Units
12
Outdoor Units
13
Air Treatment Equipment
13
External Appearance
14
Indoor Units
14
Outdoor Units
15
Air Treatment Equipment
15
Combination of Outdoor Units
16
Capacity Range
17
Features
19
Introduction
19
Benefits of System Replacement
20
System Flexibility
21
Procedure of Reuse of Existing Piping
22
Vacuum Drying
23
Guidelines for Reuse of Existing Refrigerant Piping
24
Pipe Size Selection
26
Outdoor Unit
26
General Information
26
Part 2 Specifications
27
Specifications
28
Outdoor Units
28
Part 3 Refrigerant Circuit
39
Refrigerant Circuit
40
Rqyq8Py1B
40
Refrigerant Circuit Part
40
Rqyq10·12Py1B
42
Rqyq14·16Py1B
44
Functional Parts Layout
46
Rqyq8Py1B
46
Rqyq10·12Py1B
47
Rqyq14·16Py1B
48
Refrigerant Flow for each Operation Mode
49
Rqyq8~16Py1B
49
Heating Operation
51
Part 4 Function
52
Function General
53
Operation Mode
53
Detailed Control Functions
54
Stop Operation
54
Standby
54
Startup Control
55
Normal Operation
56
Compressor Pi Control
57
Electronic Expansion Valve Pi Control
60
Protection Control
61
Low Pressure Protection Control
62
Discharge Pipe Protection Control
64
Inverter Protection Control
65
Special Control
67
Defrost Operation
69
Part 5 Test Operation
70
Test Operation
71
Procedure and Outline
71
Test Operation Part
71
Check Operation
74
Remote Controller Displays Error Code
76
Checking in Normal Operation
77
Field Setting from Outdoor Unit
78
Emergency Operation
98
Part 6 Service Diagnosis
100
Symptom-Based Troubleshooting
102
Troubleshooting by Remote Controller
105
Procedure of Self-Diagnosis by Remote Controller
105
Wireless Remote Controller
107
Service Diagnosis
111
PCB Abnormality
114
Actuation of High Pressure Switch or Pressure Switch
115
Actuation of High Pressure Switch (S1PH) or Pressure Switch (S2P)
116
Troubleshooting
117
Actuation of Low Pressure Sensor
118
Inverter Compressor Motor Lock
120
STD Compressor Motor Overcurrent/Lock
122
Outdoor Unit Fan Motor Abnormality
123
Electronic Expansion Valve Coil Abnormality (Y1E~Y3E)
126
Abnormal Discharge Pipe Temperature
128
Humidity Alarm
130
Refrigerant Overcharged
132
High Pressure Switch System Abnormality
133
Abnormal Outdoor Fan Motor Signal
134
Thermistor System Abnormality
136
High Pressure Sensor Abnormality
137
Current Sensor Abnormality
139
High Pressure Sensor Abnormality
140
Low Pressure Sensor Abnormality
142
Inverter PCB Abnormality
144
Inverter Radiation Fin Temperature Rise
146
Momentary Overcurrent of Inverter Compressor
147
Overcurrent Abnormal of Inverter Compressor
149
Inverter Compressor Starting Abnormality
151
Transmission System Error (between Inverter and Main PCB)
153
Inverter Over-Ripple Protection
155
Inverter Radiation Fin Temperature Abnormality
157
Field Setting Abnormality after Replacing Main PCB or Combination Error of PCB
158
Refrigerant Shortage
159
Reverse Phase, Open Phase
161
Power Supply Insufficient or Instantaneous Failure
162
Check Operation Is Not Executed
165
Transmission Error (between Indoor and Outdoor Units)
166
Transmission Error (between Remote Controller and Indoor Unit)
169
Transmission Error (Across Outdoor Units)
170
Transmission Error (between Main and Sub Remote Controllers)
176
Transmission Error (between Indoor and Outdoor Units in the same System)
177
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
178
Address Duplication of Centralized Controller
182
Transmission Error (between Centralized Controller and Indoor Unit)
183
System Is Not Set yet
186
System Error, Refrigerant System Address Undefined
187
Check
189
Part 7 Appendix
205
Piping Diagrams
206
Wiring Diagrams
209
Accessories
212
Optional Accessories
212
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