Daikin VRV IV-S RXTQ-TB Series Manuals

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

Daikin VRV IV-S RXTQ-TB Series Service Manual (387 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
27
Refrigerant Circuit (Piping Diagrams)
28
Outdoor Unit
28
Refrigerant Circuit Part
28
Indoor Unit
40
Outdoor-Air Processing Unit
43
Functional Parts Layout
44
Rxtq36Tavju, Rxtq36Tavj9
44
Rxtq36Tavj9A, Rxtq36Tbvjua
46
Rxtq36Tbvjub
48
Rxtq48Tavju
50
Front View
50
Rxtq48Tavjua, Rxtq48Tbvjua
52
Rxtq48Tbvjub
54
Rxtq60Tavju
56
Rxtq60Tavjua, Rxtq60Tbvjua
58
Rxtq60Tbvjub
60
Part 3 Remote Controller
62
Applicable Models
63
Names and Functions
64
Brc1E73
64
Service Check Function
66
Brc1H71W
67
Button Locations and Descriptions
67
Overview of Screens
68
Information Screen
73
Wireless Remote Controller
75
Main/Sub Setting
76
Brc1E73
76
Field Settings
76
Brc1H71W
78
When Wireless Remote Controller Is Used Together
80
Address Setting for Wireless Remote Controller
81
Centralized Control Group No. Setting
83
Brc1E73
83
Brc1H71W
85
Wireless Remote Controller
85
Group No. Setting Example
86
Service Settings Menu, Maintenance Menu
87
Brc1E73
87
Service Settings Menu
88
Maintenance Menu
89
Administrator Menu, Installer Menu
91
Brc1H71W
91
Part 4 Functions and Control
92
Operation Mode
94
Basic Control
95
Normal Operation
95
Compressor PI Control
96
Electronic Expansion Valve PI Control
98
Cooling Operation Fan Control
99
Special Control
100
Startup Control
100
Startup Control in Cooling
100
Startup Control in Heating
101
Oil Return Control
102
Defrost Control
104
Pump down Residual Control
105
Restart Standby
106
Stop Control
106
Protection Control
107
High Pressure Protection Control
107
Low Pressure Protection Control
108
Discharge Pipe Temperature Protection Control
109
Inverter Protection Control
110
Other Control
112
Demand Operation
112
Heating Operation Prohibition
112
Outline of Control (Indoor Unit)
113
Operation Flowchart
113
Set Temperature and Control Target Temperature
117
Remote Controller Thermistor
119
Thermostat Control
121
Dry Operation
121
Thermostat Control with Operation Mode Set to AUTO
123
Drain Pump Control
124
Control of Electronic Expansion Valve
126
Freeze-Up Prevention
127
List of Swing Flap Operations
129
Hot Start Control (in Heating Operation Only)
130
Louver Control for Preventing Ceiling Dirt
132
Heater Control (Except FXTQ-PA, FXTQ-TA, and FXTQ-TB Models)
133
Normal Control
133
Overload Control
133
Heater Control (FXTQ-PA Models)
134
Heater Control (FXTQ-TA, FXTQ-TB Models)
137
4-Step Thermostat Processing (FXTQ-PA Models)
140
3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB Models)
141
Fan Control (Heater Residual) (FXTQ-TA, FXTQ-TB Models)
142
Interlocked with External Equipment (FXTQ-PA Models)
142
Interlocked with External Equipment (FXTQ-TA, FXTQ-TB Models)
144
Part 5 Field Settings and Test Operation
146
Field Setting from Remote Controller
147
Brc1E73
147
Brc1H71W
149
Wireless Remote Controller
152
List of Field Settings for Indoor Unit
153
Details of Field Settings for Indoor Unit
157
Setting Procedure
163
Auto Restart after Power Failure
166
Airflow Direction Setting
168
Room Temperature Display
173
List of Field Settings for Outdoor-Air Processing Unit
175
Operation Control Mode
175
Field Settings from Outdoor Unit
177
Capacity Setting
177
Setting Mode and Monitor Mode
178
Setting Mode 1
179
Setting Mode 2
180
Monitor Mode
184
Setting of Low Noise Operation and Demand Operation
186
Setting of Refrigerant Recovery Mode
188
Operation Procedure
188
Setting of Vacuuming Mode
189
Final Charge Adjustment
189
Check Operation
190
Setting of Auxiliary Heater Control
191
Setting of Heat Pump Lockout and Emergency Heat Mode
192
Test Operation
194
Check Work Prior to Turning Power Supply on
194
Turn Power on
194
Test Operation
195
Error Codes and Corresponding Measures
198
When Turning on Power First Time
200
When Turning on Power the Second Time and Subsequent
200
When an Indoor Unit or Outdoor Unit Has Been Added, or Indoor or Outdoor Unit PCB Has Been Changed
200
Part 6 Service Diagnosis
201
Servicing Items to be Confirmed
204
Troubleshooting
204
Precautions for Maintenance
204
Refrigerant Properties (R-410A)
206
Symptom-Based Troubleshooting
207
Indoor Unit Overall
207
With Infrared Presence/Floor Sensor
210
Error Code Via Remote Controller
211
Wired Remote Controller
211
Wireless Remote Controller
212
Error Code Indication by Outdoor Unit PCB
214
Troubleshooting by Error Code
218
Error Codes and Descriptions
218
Error Codes (Sub Codes)
220
External Protection Device Abnormality
221
Applicable Models
221
Troubleshooting
221
Indoor Unit Control PCB Abnormality
223
Drain Level Control System Abnormality
224
Indoor Fan Motor Lock, Overload
226
Indoor Fan Motor Abnormality
228
Blower Motor Not Running
234
Error Reset
234
Indoor Fan Motor Status Abnormality
235
Low Indoor Airflow
236
Swing Flap Motor Abnormality
237
Power Supply Voltage Abnormality
239
Blower Motor Stops for Over/Under Voltage
240
Electronic Expansion Valve Coil Abnormality, Dust Clogging
241
Drain Level above Limit
242
Self-Cleaning Decoration Panel Abnormality
243
Defective Capacity Setting
254
Transmission Abnormality between Indoor Unit Control PCB and Fan PCB
255
Blower Motor Communication Error
257
Thermistor Abnormality
258
Combination Error between Indoor Unit Control PCB and Fan PCB
259
Blower Motor HP Mismatch
260
Indoor Blower Does Not Have Required Parameters to Function
261
Remote Sensor Abnormality
262
Humidity Sensor System Abnormality
263
Infrared Presence/Floor Sensor Error
264
Diagnosis Procedure
265
Remote Controller Thermistor Abnormality
269
Outdoor Unit Main PCB Abnormality
270
Activation of High Pressure Switch
271
Activation of Low Pressure Sensor
273
Compressor Motor Lock
274
Outdoor Fan Motor Abnormality
276
Electronic Expansion Valve Coil Abnormality
278
Discharge Pipe Temperature Abnormality
279
Refrigerant Overcharged
281
Thermistor Abnormality
282
High Pressure Sensor Abnormality
283
Low Pressure Sensor Abnormality
284
Inverter PCB Abnormality
285
Radiation Fin Temperature Rise Abnormality
286
Compressor Instantaneous Overcurrent
287
Compressor Overcurrent
288
Compressor Startup Abnormality
289
Transmission Error between Microcomputers on Outdoor Unit Main PCB
290
Inverter Circuit Capacitor High Voltage
291
Radiation Fin Thermistor Abnormality
292
Refrigerant Shortage
293
Power Supply Insufficient or Instantaneous Abnormality
295
Check Operation Not Executed
297
Transmission Error between Indoor Units and Outdoor Units
298
Transmission Error between Remote Controller and Indoor Unit
300
Transmission Error between Main and Sub Remote Controllers
301
Transmission Error between Indoor Units and Outdoor Units in the same System
302
Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller
303
Incorrect Electric Heater Capacity Setting
305
Address Duplication of Centralized Controller
306
Transmission Error between Centralized Controller and Indoor Unit
307
Error Code
307
System Not Set yet
310
System Abnormality, Refrigerant System Address Undefined
311
Defective PCB
312
Transmission Error (between Centralized Controllers)
313
Poor Centralized Controller Combination
315
Address Duplication, Poor Setting
317
Operation Lamp Blinking
319
Central Control Indicator Lamp Blinking (One Blink)
321
Central Control Indicator Lamp Blinking (Two Blinks)
324
Check
325
High Pressure Check
325
Low Pressure Check
326
Superheat Operation Check
328
Power Transistor Check
330
Refrigerant Overcharge Check
331
Refrigerant Shortage Check
332
Vacuuming and Dehydration Procedure
333
List of Inverter-Related Error Codes
334
Concept of Inverter-Related Error Codes
335
Thermistor Check
336
Pressure Sensor Check
339
Master Unit Centralized Connector Setting Table
340
Master-Slave Unit Setting Table
341
Broken Wire Check of the Relay Wires
341
Fan Motor Connector Check (Power Supply Cable)
342
Fan Motor Connector Check (Signal Cable)
343
Electronic Expansion Valve Coil Check
345
Fan Motor Connector Check for FXTQ-TA, FXTQ-TB
347
Motor Checks
350
Wiring Diagrams
352
Outdoor Unit
352
Indoor Unit
362
Air Treatment Equipment
384
Outdoor-Air Processing Unit
384

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Daikin VRV IV-S RXTQ-TB Series Service Manual (387 pages)

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