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VRV EMERION REYQ-AATJA
Daikin VRV EMERION REYQ-AATJA User Manual
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Se
r
vi
ce
Manual
Heat R
eco
v
er
y 6
0 Hz
REY
Q-
A
A
T
J
A
/B, 208/2
30 V
REY
Q-
A
A
YD
A
/B, 4
60 V
SiUS372201EB
2
Table of Contents
Part 1 General Information
16
Table of Contents
16
Model Names
17
Outdoor Unit
17
Branch Selector Unit
17
Indoor Unit
18
Air Treatment Equipment
18
External Appearance
19
Outdoor Unit
19
Branch Selector Unit
21
Indoor Unit
21
Air Treatment Equipment
23
Combination of Outdoor Units
24
Capacity Range
25
Connection Ratio
25
Outdoor Unit Combinations
26
Limitation of Capacity Index for Heat Recovery
27
Specifications
28
Reyq-Aatja, Reyq-Aatjb
28
Reyq-Aayda, Reyq-Aaydb
46
Refrigerant Circuit Part 2
64
Outdoor Unit
65
Refrigerant Circuit (Piping Diagrams)
65
Refrigerant Circuit Part
65
Branch Selector Unit
74
Indoor Unit
86
Outdoor-Air Processing Unit
89
Functional Parts Layout
90
Reyq72Aa
90
Reyq96/120Aa
92
Reyq144/168Aa
95
Reyq192/216/240Aa
98
Refrigerant Flow for each Operation Mode
101
Reyq72Aa
101
Reyq96/120/144/168Aa
107
Reyq192/216/240Aa
113
Part 3 Remote Controller
119
Applicable Models
120
Brc1E73
121
Names and Functions
121
Brc1H71W
124
Wireless Remote Controller
132
Brc1E73
133
Main/Sub Setting
133
Brc1H71W
135
When Wireless Remote Controller Is Used Together
137
Address Setting for Wireless Remote Controller
138
Brc1E73
140
Centralized Control Group No. Setting
140
Brc1H71W
142
Wireless Remote Controller
142
Group No. Setting Example
143
Brc1E73
144
Service Settings Menu, Maintenance Menu
144
Administrator Menu, Installer Menu
148
Brc1H71W
148
Part 4 Functions and Control
149
Operation Flowchart
151
Stop Control
152
Stop Due to Error
152
Sub Unit Stops During Master Unit Control
152
When System Is in Stop Control
152
Crankcase Heater Control
153
Restart Standby
153
Standby Control
153
Startup Control
154
Startup Control in Cooling
155
Startup Control in Heating
155
Basic Control
156
Normal Control
156
Compressor PI Control
157
Compressor Step Control
158
Electronic Expansion Valve PI Control
162
Step Control of Outdoor Fans
163
Heat Exchanger Control
165
High Pressure Protection Control
166
Protection Control
166
Low Pressure Protection Control
168
Discharge Pipe Protection Control
169
Inverter Protection Control
170
Pump down Residual Operation
172
Special Control
172
Oil Return Operation
173
Defrost Operation
176
Outdoor Unit Rotation
179
Cooling/Heating Mode Switching
180
Backup Operation
183
Demand Operation
183
Heating Operation Prohibition
183
Other Control
183
Operation Flowchart
184
Outline of Control (Indoor Unit)
184
Set Temperature and Control Target Temperature
188
Remote Controller Thermistor
190
Thermostat Control
192
Drain Pump Control
195
Control of Electronic Expansion Valve
197
Freeze-Up Prevention Control
198
List of Swing Flap Operations
200
Hot Start Control (in Heating Operation Only)
201
Louver Control for Preventing Ceiling Dirt
202
Heater Control (Except FXTQ-TA, FXTQ-TB Models)
203
Heater Control (FXTQ-TA, FXTQ-TB Models)
204
Gas Furnace Control (CXTQ-TA Models)
207
3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB Models)
208
Fan Control (Heater Residual) (FXTQ-TA, FXTQ-TB Models)
209
Interlocked with External Equipment (FXTQ-TA, FXTQ-TB, CXTQ-TA Models)
209
Part 5 Field Settings and Test Operation
211
Field Settings for Indoor Unit
212
Field Settings with Remote Controller
212
List of Field Settings for Indoor Unit
218
Applicable Field Settings
220
Details of Field Settings for Indoor Unit
224
Gas Furnace Set up
243
List of Field Settings for Outdoor-Air Processing Unit
244
Operation Control Mode
244
DIP Switch Setting When Mounting a Spare PCB
246
Field Setting from Outdoor Unit
246
Accessing the BS Buttons on the PCB
248
Operating the BS Buttons and DIP Switches on the PCB
249
Connecting the PC Configurator to the Outdoor Unit
252
Monitoring Function and Field Settings
252
Cool/Heat Mode Changeover
277
Night-Time Low Noise Operation and Demand Operation
278
Energy Saving and Optimum Operation
283
Field Settings for Branch Selector Unit
286
Field Settings for Single Branch Selector Unit
286
Field Settings for Multi Branch Selector Unit (Standard Series)
287
Field Settings for Multi Branch Selector Unit (Flex Series)
288
How to Check Miswiring for Multi Branch Selector Unit
290
Checkpoints
291
Checks before Test Operation
291
Test Operation
291
Gas Furnace Test Operation
292
Part 6 Service Diagnosis
293
Indoor Unit Overall
296
Symptom-Based Troubleshooting
296
Gas Furnace Lockout Reset
299
With Gas Furnace
299
With Infrared Presence/Floor Sensor
300
Brc1E73
301
Error Code Via Remote Controller
301
Brc1H71W
302
Wireless Remote Controller
302
Error Codes and Descriptions
304
Troubleshooting by Error Code
304
Error Codes (Sub Codes)
306
Prediction Codes
316
External Protection Device Abnormality
320
Indoor Unit Control PCB Abnormality
322
Drain Level Control System Abnormality
323
Indoor Fan Motor Lock, Overload
325
Indoor Fan Motor Abnormality
327
Overload/Overcurrent/Lock of Indoor Fan Motor
333
Blower Motor Not Running
334
Indoor Fan Motor Status Abnormality
335
Low Indoor Airflow
336
Swing Flap Motor Abnormality
337
Power Supply Voltage Abnormality
339
Blower Motor Stops for Over/Under Voltage
340
Electronic Expansion Valve Coil Abnormality, Dust Clogging
341
Gas Furnace Abnormality
342
Drain Level above Limit
343
Self-Cleaning Decoration Panel Abnormality
344
Defective Capacity Setting
355
Transmission Abnormality between Indoor Unit Control PCB and Fan PCB
356
Blower Motor Communication Error
358
Climate Talk Communication Error
359
Thermistor Abnormality
360
Combination Error between Indoor Unit Control PCB and Fan PCB
361
Capacity Setting Abnormality
362
Blower Motor HP Mismatch
363
Indoor Blower Does Not Have Required Parameters to Function
364
Remote Sensor Abnormality
365
Humidity Sensor System Abnormality
366
Infrared Presence/Floor Sensor Error
367
Remote Controller Thermistor Abnormality
372
Outdoor Unit Main/Sub PCB Abnormality
373
Detection of Ground Leakage by Leak Detection Circuit
374
Missing of Ground Leakage Detection Core
375
Activation of High Pressure Switch
376
Activation of Low Pressure Sensor
378
Compressor Motor Lock
379
Compressor Damage Alarm
381
Outdoor Fan Motor Abnormality
383
Electronic Expansion Valve Coil Abnormality or Sub PCB Momentary Overcurrent
385
Four Way Valve Abnormality (Intermediate Stop)
386
Four Way Valve Abnormality (Not Switching)
387
Opposite Air Conditioning Alarm
389
Discharge Pipe Temperature Abnormality
390
Wet Alarm
392
Refrigerant Overcharged
394
Branch Selector Unit Electronic Expansion Valve Abnormality
395
Thermistor Abnormality
397
Harness Abnormality (between Outdoor Unit Main PCB and Inverter PCB)
398
Outdoor Fan PCB Abnormality
399
High Pressure Sensor Abnormality
400
Low Pressure Sensor Abnormality
401
Inverter PCB Abnormality
402
Momentary Power Failure During Test Operation
404
Inverter Radiation Fin Temperature Rise Abnormality
405
Compressor Instantaneous Overcurrent
408
Compressor Overcurrent
410
Compressor Startup Abnormality
412
Transmission Error between Inverter PCB and Outdoor Unit Main PCB
414
Power Supply Voltage Imbalance
416
Inverter Radiation Fin Temperature Abnormality
418
Field Setting Abnormality after Replacing Outdoor Unit Main PCB or Combination of PCB Abnormality
420
Refrigerant Shortage
421
Reverse Phase, Open Phase, Power Supply Frequency Issue
422
Power Supply Insufficient or Instantaneous Abnormality
423
Check Operation Not Executed
425
Transmission Error between Indoor Units and Outdoor Units, Open Phase in Power Supply Wiring
426
Transmission Error between Remote Controller and Indoor Unit
429
Transmission Error between Outdoor Units
430
Transmission Error between Main and Sub Remote Controllers
436
Transmission Error between Indoor Units and Outdoor Units in the same System
437
Improper Combination of Indoor, Branch Selector and Outdoor Units
438
Incorrect Gas Furnace Connecting Number
445
Incorrect Electric Heater Capacity Setting
446
Address Duplication of Centralized Controller
447
Transmission Error between Centralized Controller and Indoor Unit
448
System Not Set yet
451
System Abnormality, Refrigerant System Address Undefined
452
Climate Talk Communication System Combination Error (before Initial Setting for Communication Completes)
454
Climate Talk Communication System Combination Error (after Initial Setting for Communication Completes)
455
Check
456
High Pressure Check
456
Low Pressure Check
457
Superheat Operation Check
459
Power Transistor Check
461
Refrigerant Overcharge Check
463
Refrigerant Shortage Check
464
Vacuuming and Dehydration Procedure
465
Thermistor Check
466
Pressure Sensor Check
470
Broken Wire Check of the Relay Wires
471
Fan Motor Connector Check (Power Supply Cable)
473
Fan Motor Connector Check (Signal Cable)
475
Electronic Expansion Valve Coil Check
477
Fan Motor Connector Check for FXTQ-TA, FXTQ-TB
481
Outdoor Unit
486
Wiring Diagrams
486
Branch Selector Unit
488
Indoor Unit
497
Air Treatment Equipment
519
Electrical Component Box Removal
522
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Daikin VRV EMERION REYQ-AATJA Specifications
General
Brand
Daikin
Model
VRV EMERION REYQ-AATJA
Category
Heating System
Language
English
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