Daikin RXJ20A5V1B Manuals

Manuals and User Guides for Daikin RXJ20A5V1B. We have 3 Daikin RXJ20A5V1B manuals available for free PDF download: Service Manual, Installation Manual

Daikin RXJ20A5V1B Service Manual (224 pages)

Split 3 R32

Brand: Daikin | Category: Air Conditioner | Size: 42.71 MB

Table of Contents
4
Safety Precautions
7
Meaning of Warnings and Symbols
7
Dangers
8
Warnings
8
Cautions
14
Notices
14
General Operation
15
Troubleshooting
16
To Display the Error Code on the Wireless Remote Controller
16
To Reset the Error Code Via Remote Controller
16
To Reset the Error Code Via Outdoor Unit
17
To Perform a Test Run
18
To Perform a Test Run Using the Wireless Remote Control
18
Error Based Troubleshooting
19
A1-00 - PCB Abnormality
19
A5-00 - Outdoor Unit: High Pressure Peak Cut / Freeze Protection Problem
20
A6-00 - Indoor Unit Fan Motor Abnormality
21
Streamer Unit Abnormality
21
C4-00 - Heat Exchanger Temperature Sensor Problem
22
C9-00 - Room Thermistor Abnormality
22
Humidity Sensor Abnormality
23
Intelligent Thermal Sensor Abnormality
23
E1-00 - Outdoor Unit: PCB Defect
23
E3-00 - Outdoor Unit: Actuation of High Pressure Switch
25
E5-00 - Outdoor Unit: Overheat of Inverter Compressor Motor
26
E6-00 - Outdoor Unit: Compressor Startup Defect
27
E7-00 - Outdoor Unit: Malfunction of Outdoor Unit Fan Motor
28
E8-00 - Outdoor Unit: Power Input Overvoltage
28
Outdoor Unit: Cool/Heat Switchover Problem
29
F3-00 - Outdoor Unit: Malfunction of Discharge Pipe Temperature
30
F6-00 - Outdoor Unit: Abnormal High Pressure in Cooling
31
F8-00 - System Shutdown Due to Compressor Internal Temperature Abnormality
31
H0-00 - Outdoor Unit: Voltage/Current Sensor Problem
32
H3-00 - Outdoor Unit: Malfunction of High Pressure Switch
33
H6-00 - Outdoor Unit: Malfunction of Position Detection Sensor
34
H8-00 - Outdoor Unit: Malfunction of Compressor Input System
35
H9-00 - Outdoor Unit: Malfunction of Outdoor Air Thermistor
35
J3-00 - Outdoor Unit: Malfunction of Discharge Pipe Thermistor
36
J6-00 - Outdoor Unit: Malfunction of Heat Exchanger Thermistor
36
L3-00 - Outdoor Unit: Electrical Box Temperature Rise Problem
36
L4-00 - Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
37
L5-00 - Outdoor Unit: Inverter Instantaneous Overcurrent
38
P4-00 - Outdoor Unit: Malfunction of Radiating Fin Temperature Sensor
39
U0-00 - Outdoor Unit: Shortage of Refrigerant
39
U2-00 - Outdoor Unit: Defect of Power Supply Voltage
40
U4-00 - Indoor/Outdoor Unit Communication Problem
41
U5-00 - Communication Abnormality between Indoor Unit Main PCB and Remote Controller
42
Indoor Unit, Outdoor Unit Mismatching Problem
43
Malfunction of System
44
Symptom Based Troubleshooting
45
Operation Does Not Start
45
Operation Sometimes Stops
45
Operation Starts but the Unit Does Not Cool/Heat
46
Operating Noise and Vibrations
47
Abnormal High Pressure
48
Abnormal Low Pressure
49
Indoor Fan Starts Operating but the Compressor Does Not Operate
50
Operation Starts and the Unit Stops Immediately
51
Operation Stops, Unit Cannot Start for a While
51
Unit Discharges White Mist
52
Humidifying Problem
52
Swing Flap Does Not Operate
52
Components
53
4-Way Valve
53
Checking Procedures
53
Repair Procedures
57
Compressor
62
Checking Procedures
62
Repair Procedures
68
Compressor Thermal Protector
77
Checking Procedures
77
Repair Procedures
79
Expansion Valve
82
Checking Procedures
82
Repair Procedures
86
Front Panel Motor
90
Checking Procedures
90
Repair Procedures
92
High Pressure Switch
95
Checking Procedures
95
Repair Procedures
96
Humidity Sensor
98
Checking Procedures
98
Repair Procedures
99
Indoor Unit Fan Motor
101
Checking Procedures
101
Repair Procedures
102
Indoor Unit Main PCB
103
Checking Procedures
103
Repair Procedures
106
Indoor Unit Power PCB
108
Checking Procedures
108
Repair Procedures
111
Intelligent Thermal Sensor
114
Checking Procedures
114
Repair Procedures
115
Main PCB
117
Class 20~35 Units
117
Class 42+50 Units
126
Outdoor Unit Fan Motor
134
Class 20~35 Units
134
Class 42+50 Units
138
Plate Work
144
Outdoor Unit
144
Indoor Unit
149
Reactor
156
Checking Procedures
156
Repair Procedures
159
Streamer Unit
159
Checking Procedures
159
Swing Flap Motor
161
Main Swing Flap Motor
161
Secondary Swing Flap Motor
164
Swing Raster Motor
168
Checking Procedures
168
Repair Procedures
169
Thermistors
169
Checking Procedures
169
Repair Procedures
173
Wifi Control PCB
176
Checking Procedures
176
Repair Procedures
177
Third Party Components
180
Electrical Circuit
180
Checking Procedures
180
Repair Procedures
181
Refrigerant Circuit
182
Checking Procedures
182
Repair Procedures
187
External Factors
192
Checking Procedures
192
Maintenance
193
To Clean the Outdoor Unit Heat Exchanger
193
To Clean the Indoor Unit Heat Exchanger
193
To Clean the Indoor Unit Heat Exchanger in Extreme Condition
194
To Clean the Indoor Unit and Wireless Remote Control
194
To Clean the Front Panel
195
To Clean the Air Filters
195
To Clean the Titanium Apatite Deodorising Filter and the Silver Particle Filter (Ag-Ion Filter)
196
To Replace the Titanium Apatite Deodorising Filter and the Silver Particle Filter (Ag-Ion Filter)
197
Technical Data
198
Detailed Information Setting Mode
198
Detailed Information Setting Mode: Indoor Unit
198
Detailed Information Setting Mode: Outdoor Unit
198
Detailed Information Setting Mode: Remote Controller
198
Wiring Diagram
199
Wiring Diagram: Indoor Unit
199
Wiring Diagram: Outdoor Unit
203
Piping Diagram
207
Piping Diagram: Indoor Unit
207
Piping Diagram: Outdoor Unit
209
Component Overview
211
Component Overview: Outdoor Unit
211
Component Overview: Indoor Unit
213
Field Information Report
214
Service Tools
217
Field Settings
218
Field Settings: Indoor Unit
218
Field Settings: Outdoor Unit
221

Daikin RXJ20A5V1B Service Manual (100 pages)

Brand: Daikin | Category: Air Conditioner | Size: 10.22 MB

Version Log
3
Safety Precautions
4
Meaning of Warnings and Symbols
4
General Operation
12
Troubleshooting
13
Error Based Troubleshooting
15
Plate Work
48
Outdoor Unit
48
Indoor Unit
53
Third Party Components
60
Electrical Circuit
60
Refrigerant Circuit
62
External Factors
70
Maintenance
72
To Clean the Outdoor Unit Heat Exchanger
72
To Clean the Indoor Unit Heat Exchanger
72
To Clean the Air Filters
74
Technical Data
77
Detailed Information Setting Mode
77
Wiring Diagram
78
Piping Diagram: Indoor Unit
86
Piping Diagram: Outdoor Unit
88
Field Information Report
90
Service Tools
93
Field Settings: Indoor Unit
94
Press to Confirm
94
Field Settings: Outdoor Unit
97

Daikin RXJ20A5V1B Installation Manual (17 pages)

Brand: Daikin | Category: Air Conditioner | Size: 2.45 MB

About the Documentation
3
About this Document
3
About the Box
5
Outdoor Unit
5
Unit Installation
5
Mounting the Outdoor Unit
6
Piping Installation
7
Preparing Refrigerant Piping
7
Connecting the Refrigerant Piping
8
Checking the Refrigerant Piping
8
Charging Refrigerant
9
Electrical Installation
9
Specifications of Standard Wiring Components
10
Maintenance and Service
12
Troubleshooting
12
Technical Data
12

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