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RXSQ36TAVJU
Daikin RXSQ36TAVJU Service Manual
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Service
Manual
SiUS331708EA
RXSQ24/36/
48/60TAVJU
Heat Pump 60 Hz
2
Table of Contents
Part 1 General Information
14
Default Chapter
14
Table of Contents
14
1 Model Names of Indoor/Outdoor Units
15
Indoor Unit
15
Air Treatment Equipment
16
Outdoor Unit
16
2 External Appearance
17
Indoor Unit
17
Air Treatment Equipment
18
Outdoor Unit
18
3 Connection Ratio
19
Refrigerant Circuit Part 2
20
1 Refrigerant Circuit
21
Outdoor Unit
21
Refrigerant Circuit Part
21
Indoor Unit
27
Outdoor-Air Processing Unit
29
2 Functional Parts Layout
30
Rxsq24/36Tavju
30
Rxsq48Tavju
32
Rxsq60Tavju
34
Part 3 Remote Controller
36
1 Applicable Models
37
2 Names and Functions
38
Brc1E73
38
Wireless Remote Controller
41
3 Main/Sub Setting
42
Brc1E73
42
When Wireless Remote Controller Is Used Together
43
4 Address Setting for Wireless Remote Controller
44
5 Centralized Control Group No. Setting
46
Brc1E73
46
Wireless Remote Controller
48
6 Service Mode
49
Brc1E73
49
Part 4 Functions and Control
52
1 Operation Mode
53
2 Basic Control
54
Normal Operation
54
Compressor PI Control
55
Electronic Expansion Valve PI Control
56
Cooling Operation Fan Control
57
3 Special Control
58
Startup Control
58
Oil Return Operation
60
Defrost Operation
62
Pump down Residual Operation
63
Restart Standby
64
Stop Control
64
4 Protection Control
65
High Pressure Protection Control
65
Low Pressure Protection Control
67
Discharge Pipe Protection Control
68
Inverter Protection Control
69
5 Other Control
71
Demand Operation
71
Heating Operation Prohibition
71
Gas Furnace Operation Prohibition
71
Gas Furnace Operation Startup Prohibition
71
6 Outline of Control (Indoor Unit)
72
Operation Flowchart
72
Set Temperature and Control Temperature
76
Remote Controller Thermistor
78
Thermostat Control
80
List of Swing Flap Operations
83
Hot Start Control (in Heating Operation Only)
84
Louver Control for Preventing Ceiling Dirt
85
Drain Pump Control
86
Electronic Expansion Valve Control
88
Freeze-Up Prevention
89
Heater Control (Except FXTQ-TA Models)
91
Heater Control (FXTQ-TA Models)
92
Gas Furnace Control (CXTQ-TA Models)
95
3-Step Thermostat Processing (FXTQ-TA Models)
96
2-Step Thermostat Processing (CXTQ-TA Models)
97
Fan Control (Heater Residual) (FXTQ-TA Models)
98
Interlocked with External Equipment (FXTQ-TA and CXTQ-TA Models)
98
Part 5 Field Settings and Test Operation
100
1 Field Settings from Remote Controller
101
Wired Remote Controller - BRC1E73
101
Wireless Remote Controller
103
List of Field Settings for Indoor Unit
104
Gas Furnace Set up
122
List of Field Settings for Outdoor-Air Processing Unit
123
Setting of Operation Control Mode
123
2 Field Settings from Outdoor Unit
125
Capacity Setting
125
Setting Mode and Monitor Mode
126
Setting Mode 1
127
Setting Mode 2
128
Monitor Mode
134
Setting of Low Noise Operation and Demand Operation
136
Setting of Refrigerant Recovery Mode
139
Setting of Vacuuming Mode
139
Final Charge Adjustment
139
Check Operation
140
Setting of Auxiliary Heater Control
141
Setting of Heat Pump Lockout and Emergency Heat Mode
142
3 Test Operation
144
Check Work Prior to Turning Power Supply on
144
Turn Power on
144
Test Operation
145
Gas Furnace Test Operation
148
Error Codes and Corresponding Measures
149
When Turning on Power First Time
151
When Turning on Power the Second Time and Subsequent
151
When an Indoor Unit or Outdoor Unit Has Been Added, or Indoor or Outdoor Unit PCB Has Been Changed
151
Part 6 Service Diagnosis
152
1 Servicing Items to be Confirmed
155
Troubleshooting
155
Precautions for Maintenance
155
Refrigerant Properties (R-410A)
156
2 Symptom-Based Troubleshooting
157
Indoor Unit Overall
157
With Optional Infrared Presence/Floor Sensor
160
With Gas Furnace
161
Gas Furnace Lockout Reset
161
3 Service Check Function
162
Wired Remote Controller
162
Wireless Remote Controller
163
4 Troubleshooting by Error Code
165
Error Codes and Descriptions
165
Error Codes - Sub Codes
167
Error Code Indication by Outdoor Unit PCB
169
External Protection Device Abnormality
173
Indoor Unit PCB Abnormality
175
Drain Level Control System (S1L) Abnormality
176
Indoor Fan Motor (M1F) Lock, Overload
178
Indoor Fan Motor Abnormality
181
Blower Motor Not Running
185
Indoor Fan Motor Status Abnormality
186
Low Indoor Airflow
187
Swing Flap Motor Abnormality
188
Power Supply Voltage Abnormality
190
Blower Motor Stops for Over/Under Voltage
191
Electronic Expansion Valve Coil Abnormality, Dust Clogging
192
Gas Furnace Abnormality
193
Drain Level above Limit
194
Capacity Determination Device Abnormality
195
Transmission Abnormality (between Indoor Unit PCB and Fan PCB)
196
Blower Motor Communication Error
198
Climate Talk Communication Error
199
Thermistor Abnormality
200
Combination Abnormality (between Indoor Unit PCB and Fan PCB)
201
Blower Motor HP Mismatch
202
Indoor Blower Does Not Have Required Parameters to Function
203
Remote Sensor Abnormality
204
Humidity Sensor System Abnormality
205
Infrared Presence/Floor Sensor Error
206
Remote Controller Thermistor Abnormality
211
Outdoor Main PCB Abnormality
212
Activation of High Pressure Switch
213
Activation of Low Pressure Sensor
215
Inverter Compressor Motor Lock
217
Outdoor Fan Motor Abnormality
219
Electronic Expansion Valve Coil Abnormality
221
Discharge Pipe Temperature Abnormality
222
Thermistor Abnormality
223
High Pressure Sensor Abnormality
224
Low Pressure Sensor Abnormality
225
PCB (for Inverter Compressor) Abnormality
226
Radiation Fin Temperature Rise Abnormality
227
Inverter Compressor Instantaneous Overcurrent
228
Inverter Compressor Overcurrent
229
Inverter Compressor Startup Abnormality
230
Transmission Error (between Microcomputers on the Outdoor Main PCB)
231
Inverter Circuit Capacitor High Voltage
232
Radiation Fin Thermistor Abnormality
233
Refrigerant Shortage
234
Power Supply Insufficient or Instantaneous Abnormality
236
Check Operation Not Executed
238
Transmission Error between Indoor Units and Outdoor Unit
239
Transmission Error between Remote Controller and Indoor Unit
241
Transmission Error between Main and Sub Remote Controllers
242
Transmission Error between Indoor and Outdoor Units in the same System
243
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
244
Incorrect Gas Furnace Connecting Number
246
Incorrect Electric Heater Capacity Setting
247
Address Duplication of Centralized Controller
248
Transmission Error between Centralized Controller and Indoor Unit
249
System Not Set
252
System Abnormality, Refrigerant System Address Undefined
253
Climate Talk Communication System Combination Error (before Initial Setting for Communication Completes)
255
Climate Talk Communication System Combination Error (after Initial Setting for Communication Completes)
256
Defective PCB
257
Transmission Error (between Centralized Controllers)
258
Poor Centralized Controller Combination
260
Address Duplication, Poor Setting
262
Operation Lamp Blinking
264
Central Control Indicator Lamp Blinking (One Blink)
266
Central Control Indicator Lamp Blinking (Two Blinks)
269
5 Check
270
High Pressure Check
270
Low Pressure Check
271
Superheat Operation Check
272
Power Transistor Check
273
Refrigerant Overcharge Check
274
Refrigerant Shortage Check
275
Vacuuming and Dehydration Procedure
276
List of Inverter-Related Error Codes
277
Concept of Inverter-Related Error Codes
278
Thermistor Check
279
Pressure Sensor Check
282
Master Unit Centralized Connector Setting Table
283
Master/Slave Unit Setting Table
284
Broken Wire Check of the Relay Wires
285
Fan Motor Connector Check
286
Electronic Expansion Valve Coil Check
286
Wiring Diagrams
289
Outdoor Unit
289
Indoor Unit
292
Air Treatment Equipment
307
Other manuals for Daikin RXSQ36TAVJU
Operation Manual
20 pages
Installation Instructions
16 pages
4
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Daikin RXSQ36TAVJU Specifications
General
Model Number
RXSQ36TAVJU
Category
Heat Pump
Cooling Capacity (kW)
3.6
Heating Capacity (kW)
4.0
Power Supply
220-240V, 50Hz
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