Daikin RXG50L2V1B Manuals

Manuals and User Guides for Daikin RXG50L2V1B. We have 3 Daikin RXG50L2V1B manuals available for free PDF download: Service Manual, Installation Manual

Daikin RXG50L2V1B Service Manual (128 pages)

Inverter Pair Wall Mounted Type L-Series

Brand: Daikin | Category: Air Conditioner | Size: 4.96 MB

Table of Contents
3
Safety Cautions
6
Warnings and Cautions Regarding Safety of Workers
6
Warnings and Cautions Regarding Safety of Users
8
Used Icons
11
Part 1 List of Functions
12
Functions
13
Part 2 Specifications
14
Specifications
15
Part 3 Printed Circuit Board Connector Wiring Diagram
19
Indoor Unit
20
Outdoor Unit
22
20/25/35 Class
22
Class
24
Part 4 Function and Control
26
Main Functions
27
Temperature Control
27
Frequency Principle
27
Operation Starting Control
29
Airflow Direction Control
30
Fan Speed Control for Indoor Unit
31
Program Dry Operation
32
Automatic Operation
33
Thermostat Control
34
NIGHT SET Mode
35
ECONO Operation
35
2-Area INTELLIGENT EYE Operation
36
Inverter POWERFUL Operation
38
Multi-Monitor Lamp / TIMER Lamp
38
Clock Setting
39
WEEKLY TIMER Operation
40
Other Functions
46
Function of Thermistor
47
Control Specification
48
Mode Hierarchy
48
Frequency Control
48
Controls at Mode Changing / Start-Up
50
Discharge Pipe Temperature Control
51
Input Current Control
52
Freeze-Up Protection Control
53
Heating Peak-Cut Control
53
Outdoor Fan Control
54
Liquid Compression Protection Function
54
Defrost Control
55
Electronic Expansion Valve Control
56
Malfunctions
59
Part 5 Remote Controller
60
Remote Controller
61
Part 6 Service Diagnosis
63
General Problem Symptoms and Check Items
64
Troubleshooting with LED
65
Indoor Unit
65
Outdoor Unit
65
Service Diagnosis
66
Troubleshooting
69
Error Codes and Description
69
Indoor Unit PCB Abnormality
70
Freeze-Up Protection Control / Heating Peak-Cut Control
71
Fan Motor (DC Motor) or Related Abnormality
72
Thermistor or Related Abnormality (Indoor Unit)
74
Front Panel Open / Close Fault
75
Refrigerant Shortage
76
Low-Voltage Detection or Over-Voltage Detection
78
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
80
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
82
Outdoor Unit PCB Abnormality
83
OL Activation (Compressor Overload)
84
Compressor Lock
86
DC Fan Lock
87
Input Overcurrent Detection
88
Four Way Valve Abnormality
89
Discharge Pipe Temperature Control
91
High Pressure Control in Cooling
92
Compressor System Sensor Abnormality
93
Position Sensor Abnormality
94
DC Voltage / Current Sensor Abnormality (20/25/35 Class Only)
96
Thermistor or Related Abnormality (Outdoor Unit)
97
Electrical Box Temperature Rise
99
Radiation Fin Temperature Rise
100
Output Overcurrent Detection
102
Check
104
Thermistor Resistance Check
104
Fan Motor Connector Output Check
105
Power Supply Waveforms Check
105
Electronic Expansion Valve Check
105
Four Way Valve Performance Check
106
Inverter Unit Refrigerant System Check
106
Inverter Analyzer Check
107
Rotation Pulse Check on the Outdoor Unit PCB
108
Installation Condition Check
109
Discharge Pressure Check
110
Outdoor Fan System Check
110
Main Circuit Short Check
111
Power Module Check
112
Part 7 Trial Operation and Field Settings
114
Tips for Servicing
115
Pump down Operation
115
Forced Cooling Operation
115
Trial Operation
117
Field Settings
118
When 2 Units Are Installed in 1 Room
118
Model Type Setting
118
Standby Electricity Saving
119
Jumper Settings
120
Silicon Grease on Power Transistor / Diode Bridge
121
Part 8 Appendix
122
Piping Diagrams
123
Indoor Unit
123
Outdoor Unit
123
Wiring Diagrams
125
Indoor Unit
125
Outdoor Unit
125

Daikin RXG50L2V1B Service Manual (29 pages)

4.0/4.5/5.0/6.0 kW Class 18000 Btu/h Class

Brand: Daikin | Category: Air Conditioner | Size: 3.35 MB

Table of Contents
3
Outer Panels
4
Outdoor Fan / Fan Motor
6
Electrical Box
8
Pcbs
15
Sound Blankets / Thermistors
21
Four Way Valve / Electronic Expansion Valve
23
Compressor
26

Daikin RXG50L2V1B Installation Manual (15 pages)

Brand: Daikin | Category: Air Conditioner | Size: 4.28 MB

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