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LRYEQ16AY1
Daikin LRYEQ16AY1 User Manual
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Manual
CONVENI-PACK
SiBE811001EB
LRYEQ16AY1(E)
LCBKQ3AV1(E)
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
6
2 System Configuration
11
System Overview
11
System with AIRNET
11
Features of Refrigerant System
12
Economizer
13
Regarding R-410A Selection
14
Indoor Units to be Connected
14
3 Standard Specification
15
Outdoor Unit
15
Booster Unit
16
Set Values for Functional Components and Protection Devices
17
Outdoor Unit
17
Booster Unit
18
Functional Parts Layout
19
Lryeq16Ay1
19
Lcbkq3Av1
20
Operation Limits
21
Wiring Diagram
23
Piping Diagram
25
Description and Layout of Functional Parts and Piping Diagram
27
Option List
31
4 Description of Functions and Operation
32
Operating Mode
32
Operation Zones and Operation Mode no
33
Operation Modes and Frequency of Occurrence
33
Refrigerant Flow for each Operation Mode
34
5 Test Operation
47
Preparations Prior to Test Operation
47
Charging Additional Refrigeration Oil
47
Additional Refrigerant Charging
49
Test Operation
52
Test Operation Procedure
52
Checking the Operating State
53
Checking the Operation Data
54
Refrigerant Piping
57
To Piping Work Contractors
58
Selection of Piping Material
59
Drier Installation
60
Operation Method of Stop Valves
60
Precautions for Piping
62
Field Wiring
63
Procedure for Power Supply Wiring
63
Inspection and Pipe Insulation
65
Air Tight Test/Vacuum Drying
65
Thermal Insulation Work
66
Checking of Device and Installation Conditions
67
Checks after Work Completion
68
Additional Refrigerant Charge
68
Test Operation
70
Check List
72
6 Outline of Functions (Outdoor Unit)
77
Detailed Description of Functions (Outdoor Unit)
80
Outline of Functions (Booster Unit)
101
Detailed Description of Functions (Booster Unit)
103
7 Field Setting
108
Outdoor Unit
108
Remote Input
134
Field Setting with the Booster Unit
135
8 Troubleshooting
138
Symptom-Based Troubleshooting
138
Troubleshooting by Remote Controller
141
Mode Access Operation
141
Self-Diagnosis by Wired Remote Controller
151
Remote Controller Service Mode
152
Test Operation Mode
154
Remote Controller Self-Diagnosis Function
155
Setting with the BS Button
156
Outdoor Unit
156
Booster Unit
160
Troubleshooting by Indication on the Remote Controller
163
Error of External Protection Device
163
PCB Abnormality
164
Drain Level Control System (S1L) Abnormality
165
Fan Motor (M1F) Lock, Overload
167
Indoor Unit Fan Motor Abnormality
169
Indoor Unit Fan Motor Overload / Overcurrent / Lock
173
Swing Flap Motor (MA) Abnormality
174
Power Supply Voltage Abnormality
176
Electronic Expansion Valve Error / Dust Clogging
177
Electronic Expansion Valve Coil Abnormality
179
Humidifier Unit Defect
180
Capacity Determination Device Abnormality
181
Error Transmission (between Indoor Unit PCB and Fan PCB)
182
Indoor Unit Thermistors Abnormality
184
Combination (between Indoor Unit PCB and Fan PCB)
185
Discharge Air Thermistor Abnormality
186
Room Temperature Thermistor in Remote Controller Abnormality
187
STD Compressor Motor Overcurrent/Lock
188
PCB Abnormality
190
Earth Leakage
191
High Pressure Switch Abnormality
193
Low Pressure Sensor Abnormality
195
Inverter Compressor Motor Lock
197
Outdoor Unit Fan Motor Abnormality
199
Electronic Expansion Valve Coil Abnormality
202
Booster Unit Warning
204
Target Evaporating Temperature Setting Abnormality
205
Transmission Error between Outdoor Unit and Booster Unit
206
Booster Unit Warning
207
Abnormal Discharge Pipe Temperature
208
Wet Operation from Refrigeration Suction Pipe
209
Wet Operation from Injection Pipe
210
3-Sensor Error
211
Error Related to High Pressure Switch
212
Low Pressure Switch Failure or Operate
213
Outdoor Unit Fan Motor Signal Abnormality
214
Outdoor Air Thermistor Abnormality
216
Intermediate/High Pressure Sensor Abnormality
217
Low Pressure Sensor Abnormality
219
Current Sensor Abnormality
221
Outdoor Unit Thermistor Abnormality
222
Inverter PCB Abnormality
224
Inverter Radiating Fin Temperature Rise Abnormality
225
Momentary Overcurrent of Inverter Compressor
226
Momentary Overcurrent of Inverter Compressor
227
Inverter Compressor Starting Failure
229
Transmission Error between Inverter and Outdoor Unit Main PCB
232
Inverter Over-Ripple Protection
234
Inverter Radiation Fin Temperature Rise Sensor Abnormality
235
Field Setting Abnormality after Replacing Outdoor Unit Main PCB or Defective Combination of PCB
236
Reverse Phase, Open Phase
237
Power Supply Insufficient or Instantaneous Failure
238
Transmission Error between Indoor Units and Outdoor Units
240
Transmission Error between Remote Controller and Indoor Unit
242
Transmission Error between Outdoor Units
243
Transmission Error between Main and Sub Remote Controllers
244
Transmission Error between Indoor and Outdoor Units in the same System
245
Improper Combination of Indoor and Outdoor Units
246
Address Duplication of Central Remote Controller
247
Transmission Error between Indoor Unit and Central Remote Controller
248
System Is Not Set yet
250
System Abnormality and Refrigerant System Address Undefined
251
Troubleshooting (Booster Unit)
252
PCB Defect
252
Earth Leakage
253
High Pressure Switch Abnormality
254
Low Pressure Sensor Abnormality
256
Inverter Compressor Motor Lock
258
Error Electronic Expansion Valve Coil
260
Abnormal Discharge Pipe Temperature
261
High Pressure Switch Abnormality
262
Outdoor Unit Thermistor Abnormality
263
Low Pressure Sensor Abnormality
264
Inverter PCB Abnormality
266
Inverter Radiating Fin Temperature Rise Abnormality
267
Momentary Overcurrent of Inverter Compressor
268
Momentary Overcurrent of Inverter Compressor
270
Inverter Compressor Starting Failure
272
Transmission Error between Inverter and Control PCB
275
Inverter Over-Ripple Protection
276
Inverter Radiating Fin Temperature Rise Sensor Abnormality
277
Field Setting after Replacing Outdoor Unit Main PCB or Combination of PCB Abnormality
278
Refrigerant Shortage Alert
279
Power Supply Insufficient or Instantaneous Failure
280
Transmission Error between Outdoor Units and Booster Units
282
System Is Not Set yet
284
System Abnormality and Refrigerant System Address Undefined
285
Check
286
Troubleshooting by RAM Monitor (Outdoor Unit)
297
Troubleshooting by RAM Monitor (Booster Unit)
308
Maintenance
312
9 Basic Control
319
Errors Due to Faulty Connections
320
Proper Method of Mounting Feeler Bulb
321
Methods of Fixing, Insulating and Antisweat Covering of Feeler Bulb
324
Type and Principle of Electronic Expansion Valve
325
Mounting Position of Expansion Valve
327
Precautions for Electronic Expansion Valve Selection
328
References
332
Comparison of Controls with Conventional Model
333
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Daikin LRYEQ16AY1 Specifications
General
Category
Air Conditioner
Model
LRYEQ16AY1
Cooling Capacity
16.0 kW
Heating Capacity
18.0 kW
Refrigerant
R410A
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