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2MX18AXVJU
Daikin 2MX18AXVJU User Manual
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Applicable Re
mo
te Con
troller
DAMA-SM-21-003
48
Remote Controller
1.
Applicable Remote Controller
Series
Model Name
Remote Controller
CTX
CTX07/09/12AXVJU
BRC52B63
DAM
A-
SM
-21-003
-
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ert
e
r M
u
lt
i Spl
it-C
TX Series.bo
ok
Page 48
Wedn
es
day, Se
ptem
ber
1
,
202
1 5:
44 PM
52
54
Table of Contents
Table of Contents
3
Introduction
6
Safety Cautions
7
Warnings and Cautions Regarding Safety of Workers
7
Warnings and Cautions Regarding Safety of Users
13
Icons Used
15
Revision History
16
Part 1 General Information
17
Applicable Models
18
Part 2 Specifications
20
Specification Data
20
Functions
25
Part 3 Functions and Control
26
Main Functions
27
Temperature Control
27
Frequency Control
27
Airflow Direction Control
29
Fan Speed Control for Indoor Unit
29
Dry Mode
30
Automatic Operation
31
Thermostat Control
32
ECO+ Operation
33
Sleep Mode
34
POWERFUL Operation
34
Other Functions
35
Thermistor Functions
36
Control Specification
37
Mode Hierarchy
37
Frequency Control
38
Controls at Mode Changing/Start-Up
40
Discharge Pipe Temperature Control
41
Input Current Control
42
Freeze-Up Protection Control
43
Heating Peak-Cut Control
44
Outdoor Fan Control
45
Liquid Compression Protection Function
46
Defrost Control
46
Electronic Expansion Valve Control
47
Malfunctions
51
Part 4 Remote Controller
52
Applicable Remote Controller
53
Brc52B63/64
54
Part 5 Service Diagnosis
55
General Problem Symptoms and Check Items
56
Troubleshooting with LED
57
Indoor Unit
57
Outdoor Unit
57
Error Diagnosis
58
To Enter Error Diagnosis
58
Troubleshooting
59
Error Codes and Description
59
Indoor Unit PCB Abnormality
61
Freeze-Up Protection Control
62
Indoor Fan Motor (DC Motor) or Related Abnormality
63
Thermistor or Related Abnormality (Indoor Unit)
64
Thermistor or Related Abnormality (Indoor Unit)
65
Low-Voltage Detection or Over-Voltage Detection
66
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
67
Installation Error
69
Outdoor Unit PCB Abnormality
70
OL Activation (Compressor Overload)
71
Compressor Lock
73
DC Fan Lock
74
Input Overcurrent Detection
75
Discharge Pipe Temperature Control
76
High Pressure Control in Cooling
77
Compressor System Sensor Abnormality
79
Position Sensor Abnormality
80
Thermistor or Related Abnormality (Outdoor Unit)
81
Electrical Box Temperature Rise
83
Radiation Fin Temperature Rise
84
Output Overcurrent Detection
85
Four Way Valve Abnormality
87
Actuator Check
90
Thermistor Resistance Check
90
Power Supply Waveform Check
91
Electronic Expansion Valve Check
91
Four Way Valve Performance Check
92
Inverter Unit Refrigerant System Check
93
Rotation Pulse Check on the Outdoor Unit PCB
93
Installation Condition Check
94
Discharge Pressure Check
94
Outdoor Fan System Check
95
Main Circuit Short Check
95
Power Module Check
96
Part 6 Trial Operation and Field Settings
97
Pump down Operation
98
Forced Cooling Operation
99
Silicone Grease on Power Transistor/Diode Bridge
100
Part 7 Appendix
101
Piping Diagrams
102
Indoor Unit
102
Outdoor Unit
102
Wiring Diagrams
103
Indoor Unit
103
Outdoor Unit
103
Printed Circuit Board Connector Wiring Diagram
104
Printed Circuit Board Connector Wiring Diagram
105
Operation Limit
107
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Daikin 2MX18AXVJU Specifications
General
Brand
Daikin
Model
2MX18AXVJU
Category
Heat Pump
Language
English
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