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Daikin
Air Conditioner
SkyAir FBQ42PVJU
Daikin SkyAir FBQ42PVJU User Manual
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Se
r
vi
ce
Manual
Cool
in
g Onl
y 6
0 Hz
Heat P
ump 60 Hz
RZR
-
T
A, R
Z
Q
-
T
A Series
SiUS281811EA
2
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
7
Safety Cautions
8
Warnings and Cautions Regarding Safety of Workers
8
Warnings and Cautions Regarding Safety of Users
10
Icons Used
13
Revision History
14
Part 1 General Information
15
Model Names and Power Supply
16
Compatibility Table
16
Cooling Only
17
Heat Pump
18
External Appearance
19
Indoor Unit
19
Outdoor Unit
20
Remote Controller
21
Specifications
22
Cooling Only
22
Heat Pump
48
Part 2 Refrigerant Circuit
74
Refrigerant Circuit (Piping Diagrams)
75
Rzr18/24Tavju, Rzq18/24Tavju
75
Refrigerant Circuit Part
75
Rzr30/36/42/48Tavju, Rzq30/36/42/48Tavju
77
Indoor Unit
79
Functional Parts Layout
80
Rzr18/24Tavju, Rzq18/24Tavju
80
Rzr18/24Tavjua, Rzq18/24Tavjua
82
Rzr30/36/42/48Tavju, Rzq30/36/42/48Tavju
84
Rzr30/36/42/48Tavjua, Rzq30/36/42/48Tavjua
86
Part 3 Remote Controller
88
Applicable Models
89
Names and Functions
90
Wired Remote Controller
90
Simplified Remote Controller
93
Wireless Remote Controller
94
Main/Sub Setting
96
Wired Remote Controller (BRC1E73)
96
When Wireless Remote Controller Is Used Together
97
Address Setting for Wireless Remote Controller
98
Centralized Control Group No. Setting
101
Brc1E73
101
Wireless Remote Controller
103
Service Settings Menu, Maintenance Menu
104
Brc1E73
104
Wireless Remote Controller
108
Part 4 Functions and Control
109
Operation Mode
110
Basic Control
111
Normal Operation
111
Compressor PI Control
112
Electronic Expansion Valve PI Control
114
Cooling Operation Fan Control
115
Special Control
116
Startup Control
116
Oil Return Control
118
Defrost Control
120
Pump down Residual Control
121
Restart Standby
122
Stop Control
122
Protection Control
123
High Pressure Protection Control
123
Low Pressure Protection Control
124
Discharge Pipe Temperature Protection Control
126
Inverter Protection Control
127
Other Control
129
Demand Operation
129
Heating Operation Prohibition
129
Outline of Control (Indoor Unit)
130
Remote Controller Thermistor
130
Thermostat Control
132
Thermostat Control with Operation Mode Set to AUTO
134
List of Swing Flap Operations
135
Hot Start Control (in Heating Operation Only)
136
Louver Control for Preventing Ceiling Dirt (FCQ Models Only)
137
Drain Pump Control
138
Freeze-Up Prevention
140
Heater Control (Except FTQ-TA Models)
142
Heater Control (FTQ-TA Models)
143
3-Step Thermostat Processing (FTQ-TA Models)
147
Fan Control (Heater Residual) (FTQ-TA Models)
148
Interlocked with External Equipment (FTQ-TA Models)
148
Part 5 Field Settings and Test Operation
150
Field Setting from Remote Controller
151
Wired Remote Controller
151
Simplified Remote Controller
153
Wireless Remote Controller
154
List of Field Settings for Indoor Unit
155
Details of Field Settings for Indoor Unit
159
Operation Control Mode
174
Field Settings from Outdoor Unit
175
Capacity Setting
175
Setting Mode and Monitor Mode
176
Setting Mode 1
177
Setting Mode 2
179
Monitor Mode
183
Setting of Low Noise Operation and Demand Operation
185
Setting of Refrigerant Recovery Mode
188
Setting of Vacuuming Mode
188
Check Operation
189
Setting of Auxiliary Heater Control
190
Setting of Heat Pump Lockout and Emergency Heat Mode
191
Test Operation
193
Check Work Prior to Turning Power Supply on
193
Turn Power on
193
Test Operation
194
Error Codes and Corresponding Measures
197
When Turning on Power First Time
199
When Turning on Power the Second Time and Subsequent
199
When an Indoor Unit or Outdoor Unit Has Been Added, or Indoor or Outdoor Unit PCB Has Been Changed
199
Part 6 Service Diagnosis
200
Servicing Items to be Confirmed
203
Troubleshooting
203
Precautions for Maintenance
203
Refrigerant Properties (R-410A)
205
Symptom-Based Troubleshooting
206
Indoor Unit Overall
206
With Optional Infrared Presence/Floor Sensor
209
Troubleshooting with Remote Controller
211
Wired Remote Controller
211
Wireless Remote Controller
212
Troubleshooting by Error Codes
214
Error Codes and Description
214
Error Codes - Sub Codes
216
Error Code Indication by Outdoor Unit PCB
218
External Protection Device Abnormality (Except FTQ-TA)
222
External Protection Device Abnormality (FTQ-TA Only)
223
Indoor Unit PCB Abnormality
224
Drain Level Control System (S1L) Abnormality
225
Indoor Fan Motor (M1F) Lock, Overload
227
Indoor Fan Motor Abnormality
229
Blower Motor Not Running
233
Indoor Fan Motor Status Abnormality
234
Low Indoor Airflow
235
Swing Flap Motor Abnormality
236
Power Supply Voltage Abnormality
238
Blower Motor Stops for Over/Under Voltage
239
Electronic Expansion Valve Coil Abnormality, Dust Clogging
240
Drain Level above Limit
242
Defective Capacity Setting
243
Transmission Abnormality (between Indoor Unit PCB and Fan PCB)
244
Blower Motor Communication Error
246
Thermistor Abnormality
247
Combination Abnormality (between Indoor Unit PCB and Fan PCB)
248
Blower Motor HP Mismatch
249
Indoor Blower Does Not Have Required Parameters to Function
250
Remote Sensor Abnormality
251
Infrared Presence/Floor Sensor Error
252
Remote Controller Thermistor Abnormality
257
Outdoor Main PCB Abnormality
258
Activation of High Pressure Switch
259
Activation of Low Pressure Sensor
261
Inverter Compressor Motor Lock
263
Outdoor Fan Motor Abnormality
265
Electronic Expansion Valve Coil Abnormality
267
Discharge Pipe Temperature Abnormality
268
Refrigerant Overcharged
269
Thermistor Abnormality
270
High Pressure Sensor Abnormality
271
Low Pressure Sensor Abnormality
272
PCB (for Inverter Compressor) Abnormality
273
Radiation Fin Temperature Rise Abnormality
274
Inverter Compressor Instantaneous Overcurrent
275
Inverter Compressor Overcurrent
276
Inverter Compressor Startup Abnormality
277
Transmission Error (between Microcomputers on the Outdoor Main PCB)
278
Inverter Circuit Capacitor High Voltage
279
Radiation Fin Thermistor Abnormality
280
Refrigerant Shortage
281
Power Supply Insufficient or Instantaneous Abnormality
283
Check Operation Not Executed
285
Transmission Error between Indoor Units and Outdoor Units
286
Transmission Error between Remote Controller and Indoor Unit
288
Transmission Error between Main and Sub Remote Controllers
289
Transmission Error between Indoor and Outdoor Units in the same System
290
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
291
Incorrect Electric Heater Capacity Setting
293
Address Duplication of Centralized Controller
294
Transmission Error between Centralized Controller and Indoor Unit
295
System Not Set
296
System Abnormality, Refrigerant System Address Undefined
297
Check
298
High Pressure Check
298
Low Pressure Check
299
Superheat Operation Check
300
Power Transistor Check
301
Refrigerant Overcharge Check
302
Refrigerant Shortage Check
303
Vacuuming and Dehydration Procedure
304
List of Inverter-Related Error Codes
305
Concept of Inverter-Related Error Codes
306
Thermistor Check
307
Pressure Sensor Check
310
Broken Wire Check of the Relay Wires
311
Fan Motor Connector Check
312
Electronic Expansion Valve Coil Check
314
Fan Motor Connector Check for FTQ-TA
317
Part 7 Appendix
321
Wiring Diagrams
322
Outdoor Unit
322
Indoor Unit
326
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Engineering Data
238 pages
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Daikin SkyAir FBQ42PVJU Specifications
General
Category
Air Conditioner
Model
FBQ42PVJU
Cooling Capacity
4.2 kW
Heating Capacity
4.8 kW
Power Supply
220-240 V, 50 Hz
Refrigerant
R32
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