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VRV IV RXYQ72TAYCA
Daikin VRV IV RXYQ72TAYCA Manuals
Manuals and User Guides for Daikin VRV IV RXYQ72TAYCA. We have
1
Daikin VRV IV RXYQ72TAYCA manual available for free PDF download: Service Manual
Daikin VRV IV RXYQ72TAYCA Service Manual (442 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 13.23 MB
Table of Contents
Part 1 General Information
16
Table of Contents
16
Model Names
17
Outdoor Unit
17
Indoor Unit
19
Air Treatment Equipment
19
External Appearance
20
Outdoor Unit
20
Indoor Unit
21
Air Treatment Equipment
22
Combination of Outdoor Units
23
Rxlq-Ta, Rxlq-Tb
23
Rxyq-Ta
23
Connection Ratio
24
Capacity Range
24
Outdoor Unit Combinations
25
Specifications
26
Rxlq-Ta, Rxlq-Tb
26
Rxyq-Ta
38
Refrigerant Circuit Part 2
43
Outdoor Unit
44
Refrigerant Circuit (Piping Diagrams)
44
Refrigerant Circuit Part
44
Indoor Unit
48
Outdoor-Air Processing Unit
51
Functional Parts Layout
52
Rxlq72Ta, Rxlq72Tb, Rxyq72-120Ta
52
Rxlq96/120Ta, Rxlq96/120Tb, Rxyq144/168Ta
55
Cooling Operation
57
Refrigerant Flow for each Operation Mode
57
Heating Operation
58
Cooling Oil Return Operation
59
Defrost Heating Oil Return Operation
60
Part 3 Remote Controller
61
Applicable Models
62
Brc1E73
63
Names and Functions
63
Brc1H71W
66
Wireless Remote Controller
74
Brc1E73
75
Main/Sub Setting
75
Brc1H71W
77
When Wireless Remote Controller Is Used Together
79
Address Setting for Wireless Remote Controller
80
Brc1E73
82
Centralized Control Group No. Setting
82
Brc1H71W
84
Wireless Remote Controller
84
Group No. Setting Example
85
Brc1E73
86
Service Settings Menu, Maintenance Menu
86
Administrator Menu, Installer Menu
90
Brc1H71W
90
Part 4 Functions and Control
91
Operation Flowchart
93
Slave Unit Stops During Master Unit Control
94
Stop Control
94
Stop Due to Error
94
When System Is in Stop Control
94
Crankcase Heater Control
95
Restart Standby
95
Standby Control
95
Startup Control
96
Startup Control in Cooling
96
Startup Control in Heating
97
Basic Control
98
Normal Control
98
Compressor PI Control
99
Operating Priority and Rotation of Compressors
100
Compressor Step Control
101
Electronic Expansion Valve PI Control
103
Step Control of Outdoor Fans
104
High Pressure Protection Control
105
Protection Control
105
Low Pressure Protection Control
107
Discharge Pipe Protection Control
108
Compressor Body Protection Control
109
Inverter Protection Control
109
Pump down Residual Operation
111
Special Control
111
Oil Return Operation
112
Defrost Operation
113
Outdoor Unit Rotation
114
Backup Operation
115
Demand Operation
115
Heating Operation Prohibition
115
Other Control
115
Operation Flowchart
116
Outline of Control (Indoor Unit)
116
Set Temperature and Control Target Temperature
120
Remote Controller Thermistor
122
Thermostat Control
124
Drain Pump Control
127
Control of Electronic Expansion Valve
129
Freeze-Up Prevention Control
130
List of Swing Flap Operations
132
Hot Start Control (in Heating Operation Only)
133
Louver Control for Preventing Ceiling Dirt
134
Heater Control (Except FXTQ-TA, FXTQ-TB Models)
135
Heater Control (FXTQ-TA, FXTQ-TB Models)
136
Gas Furnace Control (CXTQ-TA Models)
139
3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB Models)
140
Fan Control (Heater Residual) (FXTQ-TA, FXTQ-TB Models)
141
Interlocked with External Equipment (FXTQ-TA, FXTQ-TB, CXTQ-TA Models)
141
Part 5 Field Settings and Test Operation
143
Field Settings for Indoor Unit
144
Field Settings with Remote Controller
144
List of Field Settings for Indoor Unit
151
Applicable Field Settings
153
Details of Field Settings for Indoor Unit
157
Gas Furnace Set up
176
List of Field Settings for Outdoor-Air Processing Unit
177
Operation Control Mode
177
Field Setting from Outdoor Unit
179
Settings by DIP Switches
179
Accessing the BS Buttons on the PCB
182
Operating the BS Buttons and DIP Switches on the PCB
183
Connecting the PC Configurator to the Outdoor Unit
186
Monitoring Function and Field Settings
186
Night-Time Low Noise Operation and Demand Operation
203
Energy Saving and Optimum Operation
207
Checkpoints
210
Checks before Test Operation
210
Test Operation
210
Gas Furnace Test Operation
211
Part 6 Service Diagnosis
212
Indoor Unit Overall
215
Symptom-Based Troubleshooting
215
Gas Furnace Lockout Reset
218
With Gas Furnace
218
With Infrared Presence/Floor Sensor
219
Brc1E73
220
Error Code Via Remote Controller
220
Brc1H71W
221
Wireless Remote Controller
221
Error Codes and Descriptions
223
Troubleshooting by Error Code
223
Error Codes (Sub Codes)
225
External Protection Device Abnormality
237
Indoor Unit Control PCB Abnormality
239
Drain Level Control System Abnormality
240
Indoor Fan Motor Lock, Overload
242
Indoor Fan Motor Abnormality
244
Overload/Overcurrent/Lock of Indoor Fan Motor
250
Blower Motor Not Running
251
Indoor Fan Motor Status Abnormality
252
Low Indoor Airflow
253
Swing Flap Motor Abnormality
254
Power Supply Voltage Abnormality
256
Blower Motor Stops for Over/Under Voltage
257
Electronic Expansion Valve Coil Abnormality, Dust Clogging
258
Gas Furnace Abnormality
259
Drain Level above Limit
260
Self-Cleaning Decoration Panel Abnormality
261
Defective Capacity Setting
272
Transmission Abnormality between Indoor Unit Control PCB and Fan PCB
273
Blower Motor Communication Error
275
Climate Talk Communication Error
276
Thermistor Abnormality
277
Combination Error between Indoor Unit Control PCB and Fan PCB
278
Capacity Setting Abnormality
279
Blower Motor HP Mismatch
280
Indoor Blower Does Not Have Required Parameters to Function
281
Remote Sensor Abnormality
282
Humidity Sensor System Abnormality
283
Infrared Presence/Floor Sensor Error
284
Remote Controller Thermistor Abnormality
289
Outdoor Unit Main PCB Abnormality
290
Detection of Ground Leakage by Leak Detection Circuit
291
Missing of Ground Leakage Detection Core
292
Activation of High Pressure Switch
293
Activation of Low Pressure Sensor
295
Compressor Motor Lock
296
Compressor Damage Alarm
298
Outdoor Fan Motor Abnormality
300
Electronic Expansion Valve Coil Abnormality
305
Discharge Pipe Temperature Abnormality
306
Wet Alarm
308
Refrigerant Overcharged
310
Harness Abnormality (between Outdoor Unit Main PCB and Inverter PCB)
311
Outdoor Fan Motor Signal Abnormality
312
Outdoor Fan PCB Abnormality
313
Thermistor Abnormality
314
High Pressure Sensor Abnormality
316
Low Pressure Sensor Abnormality
317
Inverter PCB Abnormality
318
Momentary Power Failure During Test Operation
320
Reactor Temperature Rise Abnormality
321
Inverter Radiation Fin Temperature Rise Abnormality
322
Compressor Instantaneous Overcurrent
326
Compressor Overcurrent
328
Compressor Startup Abnormality
330
Transmission Error between Inverter PCB and Outdoor Unit Main PCB
332
Power Supply Voltage Imbalance
334
Reactor Surface Thermistor Abnormality
336
Inverter Radiation Fin Temperature Abnormality
337
Field Setting Abnormality after Replacing Outdoor Unit Main PCB or Combination of PCB Abnormality
339
Refrigerant Shortage
340
Reverse Phase, Open Phase
341
Power Supply Insufficient or Instantaneous Abnormality
343
Check Operation Not Executed
345
Transmission Error between Indoor Units and Outdoor Units, Open Phase in Power Supply Wiring
346
Transmission Error between Remote Controller and Indoor Unit
349
Transmission Error between Outdoor Units
350
Transmission Error between Main and Sub Remote Controllers
356
Transmission Error between Indoor Units and Outdoor Units in the same System
357
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
358
Incorrect Gas Furnace Connecting Number
363
Incorrect Electric Heater Capacity Setting
364
Address Duplication of Centralized Controller
365
Transmission Error between Centralized Controller and Indoor Unit
366
System Not Set yet
369
System Abnormality, Refrigerant System Address Undefined
370
Climate Talk Communication System Combination Error (before Initial Setting for Communication Completes)
372
Climate Talk Communication System Combination Error (after Initial Setting for Communication Completes)
373
Check
374
High Pressure Check
374
Low Pressure Check
375
Superheat Operation Check
377
Power Transistor Check
379
Refrigerant Overcharge Check
384
Refrigerant Shortage Check
385
Vacuuming and Dehydration Procedure
386
Thermistor Check
387
Pressure Sensor Check
390
Broken Wire Check of the Relay Wires
391
Fan Motor Connector Check (Power Supply Cable)
393
Fan Motor Connector Check (Signal Cable)
395
Electronic Expansion Valve Coil Check
397
Fan Motor Connector Check for FXTQ-TA, FXTQ-TB
400
Outdoor Unit
405
Wiring Diagrams
405
Indoor Unit
415
Air Treatment Equipment
439
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