Daikin VRV-WIII RWEYQ72PYDN Manuals

Manuals and User Guides for Daikin VRV-WIII RWEYQ72PYDN. We have 1 Daikin VRV-WIII RWEYQ72PYDN manual available for free PDF download: Service Manual

Daikin VRV-WIII RWEYQ72PYDN Service Manual (280 pages)

Water Cooled Heat Pump / Heat Recovery

Brand: Daikin | Category: Heat Pump | Size: 12.03 MB

Table of Contents
2
Safety Considerations
7
Safety Considerations for Repair
7
Safety Considerations for Users
8
Part 1 General Information
9
Features
10
Design Flexibility
11
Easy Installation
13
Energy Saving
14
Enhanced Usability
15
Condensing Unit Lineup
16
Model Names of Indoor /Condensing Units
17
Model Names of Indoor/Condensing Units
17
Indoor Units
17
Condensing Units
17
External Appearance
18
Indoor Units
18
Air Treatment Equipment
18
Condensing Units
19
Combination of Condensing Units
20
Capacity Range
20
Part 2 Refrigerant Circuit
21
Refrigerant Circuit (Piping Diagram)
22
Rweyq72Ptju / Rweyq84Ptju Rweyq72Pydn / Rweyq84Pydn
22
Refrigerant Circuit Part
22
Bsvq36, 60, 96Pvju
24
Functional Parts Layout
25
Rweyq72Ptju / Rweyq84Ptju Rweyq72Pydn / Rweyq84Pydn
25
Refrigerant Flow for each Operation Mode
27
In Case of Heat Pump Connection
27
In Case of Heat Recovery Connection (1 Condensing Unit Installation)
30
Part 3 Remote Controller
35
Wired Remote Controller
36
Applicable Models
36
Names and Functions
36
MAIN/SUB Setting When Using 2 Remote Controllers
38
Centralized Control Group No. Setting
39
Wireless Remote Controller
41
Applicable Models
41
Names and Functions
41
Address and MAIN/SUB Setting
43
Service Mode
44
Brc1E71/72
44
Brc1E71
44
Part 4 Function and Control
46
Function General
48
Symbol
48
Function and Control Part
48
Operation Mode
49
Normal Operation
50
Branch Selector Unit & Indoor Unit Operation Mode Detail
51
Stop
52
Stopping Operation
52
Standby
54
Restart Standby
54
Crankcase Heater Control
54
Startup Control
55
Startup Control in Cooling
55
Startup Control in Heating
56
Pressure Equalizing Control
57
Normal Control
58
Compressor Control
58
Electronic Expansion Valve Control
60
Heat Exchange Mode in Heating Operation or Simultaneous Cooling / Heating Operation
61
Protection Control
63
High Pressure Protection Control
63
Low Pressure Protection Control
64
Discharge Pipe Protection Control
65
Inverter Protection Control
66
Cooling Fan Control
67
Special Operation
68
Oil Return Operation
68
Oil Return Operation of Water Heat Exchanger
70
Pump down Residual Operation Control
70
Refrigerant Drift Prevention
72
Other Control
73
Condensing Unit Rotation
73
Outline of Control (Indoor Unit)
74
Drain Pump Control
74
Louver Control for Preventing Ceiling Dirt
76
Room Temperature Thermistor in Remote Controller
77
Thermostat Control While in Normal Operation
79
Thermostat Control in Dry Operation
79
Thermostat Control with Operation Mode Set to "AUTO
80
Control of Electronic Expansion Valve
81
Hot Start Control (in Heating Only)
82
Heater Control (Optional PCB KRP1B
83
Heater Control (FXTQ)
84
Step Thermostat Processing (FXTQ)
86
Interlocked with External Equipment (FXTQ)
87
List of Swing Flap Operations
89
Freeze-Up Prevention
90
Part 5 Field Setting
91
Test Operation
92
Procedure and Outline
92
Field Setting from Remote Controller
97
Wired Remote Controller
97
Wireless Remote Controller
98
Simplified Remote Controller
99
Setting Contents and Code No. for Indoor Units
100
Field Setting from Condensing Unit
112
Location of DIP Switch and Branch Selector Button
112
Setting by DIP Switches
113
Setting by Branch Selector Buttons
114
Setting Mode 1
115
Setting Mode 2
116
Monitor Mode
119
Detailed Explanation of Setting Modes
120
Emergency Operation
137
Restrictions for Emergency Operation
137
In the Case of Multi Condensing Unit System
137
Part 6 Service Diagnosis
139
Symptom-Based Troubleshooting
141
Troubleshooting by Remote Controller
144
Self-Diagnosis by Wired Remote Controller
145
Self-Diagnosis by Wireless Remote Controller
146
Remote Controller Self-Diagnosis Function
148
Error Codes - Sub Codes
149
Error Codes and Description
153
Error Code Indication by Condensing Unit PCB
155
Troubleshooting by Indication on the Remote Controller
159
External Protection Device Abnormality
159
PCB Abnormality
160
Drain Level Control System (S1L) Abnormality
161
Fan Motor (M1F) Lock, Overload
163
Indoor Unit Fan Motor Abnormality
166
Indoor Unit Fan Motor Abnormality
167
Overload / Overcurrent / Lock of Indoor Unit Fan Motor
171
Swing Flap Motor (M1S) Abnormality
172
Power Supply Voltage Abnormality
174
Electronic Expansion Valve Coil Abnormality / Dust Clogging
175
Coil Abnormality
176
Electronic Expansion Valve Coil Abnormality
176
Drain Level above Limit
177
Capacity Determination Device Abnormality
178
Transmission Abnormality between Indoor Unit PCB and Fan PCB
179
Thermistor Abnormality
181
Combination Error between Indoor Unit PCB and Fan PCB
182
Remote Sensor Abnormality
183
Thermistor Abnormality
184
Humidity Sensor System Abnormality
185
Room Temperature Thermistor in Remote Controller Abnormality
186
PCB Abnormality
187
Ground Leakage by Leak Detection PCB Assy
188
Actuation of High Pressure Switch
190
Actuation of Low Pressure Sensor
192
Inverter Compressor Motor Lock
194
Electronic Expansion Valve Coil (Y1E~Y5E) Abnormality
196
Abnormal Discharge Pipe Temperature
198
Refrigerant Overcharged
199
Water System Abnormality
201
Thermistor System Abnormality
203
High Pressure Sensor Abnormality
204
Low Pressure Sensor Abnormality
206
Inverter Radiation Fin Temperature Rise Abnormality
208
Momentary Overcurrent of Inverter Compressor
210
Momentary Overcurrent of Inverter Compressor
212
Inverter Compressor Startup Error
214
Transmission Error between Inverter and Condensing Unit
216
Pcb
216
Pcb
217
Inverter Over-Ripple Protection
218
Inverter Radiation Fin Temperature Thermistor Rise Abnormality
219
Field Setting Abnormality after Replacing Condensing Unit Main PCB or Combination of PCB Abnormality
220
Refrigerant Shortage Alert
221
Open Phase
223
Power Supply Insufficient or Instantaneous Failure
224
Check Operation Is Not Executed
226
Transmission Error between Indoor Units and Condensing Units
227
Transmission Error between Remote Controller and Indoor Unit
229
Transmission Error between Condensing Units
230
Transmission Error between Main and Sub Remote Controllers
236
Transmission Error between Indoor and Condensing Units in the same System
237
Transmission Error between Indoor and Condensing Units in the same Sys- Tem
237
Improper Combination of Indoor, Branch Selector and Condensing Units
238
Address Duplication of Centralized Control Equipment
242
Transmission Error between Centralized Control Equipment and Indoor Unit
243
System Is Not Set yet
246
System Error, Refrigerant System Address Undefined
247
Check
249
Procedure for Mounting / Dismounting of Switch Box
260
Procedure for Mounting / Dismounting of Switch Box
261
Procedure for Dismounting
261
Procedure for Mounting
261
Part 8 Appendix
263
Piping Diagrams
264
Indoor Unit
264
Branch Selector Unit
266
Centralized Branch Selector Unit
267
Wiring Diagrams for Reference
268
Condensing Unit
268
Indoor Unit
271
Branch Selectorr Unit
276
Branch Selector Unit
276
Centralized Branch Selector Unit
277

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Daikin VRV-WIII RWEYQ72PYDN Manuals

Daikin VRV-WIII RWEYQ72PYDN Service Manual (280 pages)

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