Daikin RXSQ-TB Series Manuals

Manuals and User Guides for Daikin RXSQ-TB Series. We have 1 Daikin RXSQ-TB Series manual available for free PDF download: Service Manual

Daikin RXSQ-TB Series Service Manual (396 pages)

Heat Pump 60 Hz

Brand: Daikin | Category: Heat Pump | Size: 29 MB

Table of Contents
2
Introduction
8
Safety Cautions
9
Caution Items
9
Warnings and Cautions Regarding Safety of Workers
9
Warnings and Cautions Regarding Safety of Users
11
Icons Used
14
Revision History
15
Part 1 General Information
16
Model Names and Power Supply
17
Outdoor Unit
17
Indoor Unit
17
Air Treatment Equipment
18
External Appearance
19
Outdoor Unit
19
Indoor Unit
20
Air Treatment Equipment
21
Capacity Range
22
Connection Ratio
22
Outdoor Unit Combinations
22
Specifications
23
Part 2 Refrigerant Circuit
31
Refrigerant Circuit (Piping Diagrams)
32
Outdoor Unit
32
Refrigerant Circuit Part
32
Indoor Unit
44
Outdoor-Air Processing Unit
47
Functional Parts Layout
48
Rxsq24/36Tavju
48
Rxsq24/36Tavjua, Rxsq24/36Tbvjua
50
Rxsq24/36Tbvjub
52
Rxsq48Tavju
54
Front View
54
Rxsq48Tavjua, Rxsq48Tbvjua
56
Rxsq48Tbvjub
58
Rxsq60Tavju
60
Rxsq60Tavjua, Rxsq60Tbvjua
62
Rxsq60Tbvjub
64
Part 3 Remote Controller
66
Applicable Models
67
Names and Functions
68
Brc1E73
68
Service Check Function
70
Brc1H71W
71
Button Locations and Descriptions
71
Overview of Screens
72
Information Screen
77
Wireless Remote Controller
79
Main/Sub Setting
80
Brc1E73
80
Field Settings
80
Brc1H71W
82
When Wireless Remote Controller Is Used Together
84
Address Setting for Wireless Remote Controller
85
Centralized Control Group No. Setting
87
Brc1E73
87
Brc1H71W
89
Wireless Remote Controller
89
Group No. Setting Example
90
Service Settings Menu, Maintenance Menu
91
Brc1E73
91
Service Settings Menu
92
Maintenance Menu
93
Administrator Menu, Installer Menu
95
Brc1H71W
95
Part 4 Functions and Control
96
Operation Mode
98
Basic Control
99
Normal Operation
99
Compressor PI Control
100
Electronic Expansion Valve PI Control
102
Cooling Operation Fan Control
103
Special Control
104
Startup Control
104
Startup Control in Cooling
104
Startup Control in Heating
105
Oil Return Control
106
Starting Conditions
106
Defrost Control
108
Pump down Residual Control
109
Restart Standby
110
Stop Control
110
Protection Control
111
High Pressure Protection Control
111
Low Pressure Protection Control
112
Discharge Pipe Temperature Protection Control
113
Inverter Protection Control
114
Other Control
116
Demand Operation
116
Heating Operation Prohibition
116
Gas Furnace Operation Prohibition
116
Gas Furnace Operation Startup Prohibition
116
Outline of Control (Indoor Unit)
117
Operation Flowchart
117
Set Temperature and Control Target Temperature
121
Remote Controller Thermistor
123
Thermostat Control
125
Dry Operation
125
Thermostat Control with Operation Mode Set to AUTO
127
Drain Pump Control
128
Control of Electronic Expansion Valve
130
Freeze-Up Prevention
131
List of Swing Flap Operations
133
Hot Start Control (in Heating Operation Only)
134
Louver Control for Preventing Ceiling Dirt
135
Heater Control (Except FXTQ-TA, FXTQ-TB Models)
136
Normal Control
136
Overload Control
136
Heater Control (FXTQ-TA, FXTQ-TB Models)
137
Gas Furnace Control (CXTQ-TA Models)
140
3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB Models)
141
2-Step Thermostat Processing (CXTQ-TA Models)
142
Fan Control (Heater Residual) (FXTQ-TA, FXTQ-TB Models)
143
Interlocked with External Equipment (FXTQ-TA, FXTQ-TB, CXTQ-TA Models)
143
Part 5 Field Settings and Test Operation
145
Field Setting from Remote Controller
146
Brc1E73
146
Brc1H71W
148
Wireless Remote Controller
151
List of Field Settings for Indoor Unit
152
Details of Field Settings for Indoor Unit
157
Setting Procedure
163
External ON/OFF Input
165
Factory Setting
165
Auto Restart after Power Failure
166
Airflow Direction Setting
168
Room Temperature Display
173
Gas Furnace Set up
175
List of Field Settings for Outdoor-Air Processing Unit
176
Operation Control Mode
176
Field Settings from Outdoor Unit
178
Capacity Setting
178
Setting Mode and Monitor Mode
179
Setting Mode 1
180
Setting Mode 2
181
Monitor Mode
187
Setting of Low Noise Operation and Demand Operation
189
Image of Operation
189
Setting of Refrigerant Recovery Mode
191
Operation Procedure
191
Setting of Vacuuming Mode
192
Final Charge Adjustment
192
Check Operation
193
Setting of Auxiliary Heater Control
194
Setting of Heat Pump Lockout and Emergency Heat Mode
195
Test Operation
197
Check Work Prior to Turning Power Supply on
197
Turn Power on
197
Test Operation
198
Gas Furnace Test Operation
201
Error Codes and Corresponding Measures
202
When Turning on Power First Time
204
When Turning on Power the Second Time and Subsequent
204
When an Indoor Unit or Outdoor Unit Has Been Added, or Indoor or Outdoor Unit PCB Has Been Changed
204
Part 6 Service Diagnosis
205
Servicing Items to be Confirmed
208
Troubleshooting
208
Precautions for Maintenance
208
Refrigerant Properties (R-410A)
210
Symptom-Based Troubleshooting
211
Indoor Unit Overall
211
With Infrared Presence/Floor Sensor
214
With Gas Furnace
215
Gas Furnace Lockout Reset
215
Error Code Via Remote Controller
216
Wired Remote Controller
216
Wireless Remote Controller
217
Error Code Indication by Outdoor Unit PCB
219
Troubleshooting by Error Code
223
Error Codes and Descriptions
223
Error Codes (Sub Codes)
225
External Protection Device Abnormality
227
Troubleshooting
227
Applicable Models
228
Indoor Unit Control PCB Abnormality
229
Drain Level Control System Abnormality
230
Indoor Fan Motor Lock, Overload
232
Indoor Fan Motor Abnormality
234
Blower Motor Not Running
240
Error Reset
240
Indoor Fan Motor Status Abnormality
241
Low Indoor Airflow
242
Swing Flap Motor Abnormality
243
Power Supply Voltage Abnormality
245
Blower Motor Stops for Over/Under Voltage
246
Electronic Expansion Valve Coil Abnormality, Dust Clogging
247
Gas Furnace Abnormality
248
Drain Level above Limit
249
Self-Cleaning Decoration Panel Abnormality
250
Defective Capacity Setting
261
Transmission Abnormality between Indoor Unit Control PCB and Fan PCB
262
Applicable Models
262
Blower Motor Communication Error
264
Climate Talk Communication Error
265
Thermistor Abnormality
266
Combination Error between Indoor Unit Control PCB and Fan PCB
267
Blower Motor HP Mismatch
268
Indoor Blower Does Not Have Required Parameters to Function
269
Remote Sensor Abnormality
270
Humidity Sensor System Abnormality
271
Infrared Presence/Floor Sensor Error
272
Diagnosis Procedure
273
Remote Controller Thermistor Abnormality
277
Outdoor Unit Main PCB Abnormality
278
Activation of High Pressure Switch
279
Activation of Low Pressure Sensor
281
Compressor Motor Lock
282
Outdoor Fan Motor Abnormality
284
Electronic Expansion Valve Coil Abnormality
286
Discharge Pipe Temperature Abnormality
287
Thermistor Abnormality
289
High Pressure Sensor Abnormality
290
Low Pressure Sensor Abnormality
291
Inverter PCB Abnormality
292
Radiation Fin Temperature Rise Abnormality
293
Compressor Instantaneous Overcurrent
294
Compressor Overcurrent
295
Compressor Startup Abnormality
296
Transmission Error between Microcomputers on Outdoor Unit Main PCB
297
Inverter Circuit Capacitor High Voltage
298
Radiation Fin Thermistor Abnormality
299
Refrigerant Shortage
300
Power Supply Insufficient or Instantaneous Abnormality
302
Check Operation Not Executed
304
Transmission Error between Indoor Units and Outdoor Units
305
Transmission Error between Remote Controller and Indoor Unit
307
Transmission Error between Main and Sub Remote Controllers
308
Transmission Error between Indoor Units and Outdoor Units in the same System
309
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
310
Incorrect Gas Furnace Connecting Number
312
Incorrect Electric Heater Capacity Setting
313
Address Duplication of Centralized Controller
314
Transmission Error between Centralized Controller and Indoor Unit
315
Error Code
315
System Not Set yet
318
System Abnormality, Refrigerant System Address Undefined
319
Climate Talk Communication System Combination Error (before Initial Setting for Communication Completes)
320
Climate Talk Communication System Combination Error (after Initial Setting for Communication Completes)
321
Defective PCB
322
Transmission Error (between Centralized Controllers)
323
Poor Centralized Controller Combination
325
Address Duplication, Poor Setting
327
Operation Lamp Blinking
329
Central Control Indicator Lamp Blinking (One Blink)
331
Central Control Indicator Lamp Blinking (Two Blinks)
334
Check
335
High Pressure Check
335
Low Pressure Check
336
Superheat Operation Check
338
Power Transistor Check
340
Refrigerant Overcharge Check
341
Refrigerant Shortage Check
342
Vacuuming and Dehydration Procedure
343
List of Inverter-Related Error Codes
344
Concept of Inverter-Related Error Codes
345
Thermistor Check
346
Pressure Sensor Check
349
Master Unit Centralized Connector Setting Table
350
Master-Slave Unit Setting Table
351
Broken Wire Check of the Relay Wires
351
Fan Motor Connector Check (Power Supply Cable)
352
Fan Motor Connector Check (Signal Cable)
353
Electronic Expansion Valve Coil Check
355
Fan Motor Connector Check for FXTQ-TA, FXTQ-TB
357
Motor Checks
360
Part 7 Appendix
361
Wiring Diagrams
362
Outdoor Unit
362
Indoor Unit
371
Air Treatment Equipment
393
Outdoor-Air Processing Unit
393

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Daikin RXSQ-TB Series Service Manual (396 pages)

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