Home
Daikin
Air Conditioner
2MXL18QMVJU
Daikin 2MXL18QMVJU Service Manual
5
of 1
of 1 rating
254 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
SiUS12163
2EA
Piping Diagrams
Appendix
231
1.2
Outdo
or Unit
2MXL
18QMVJ
U
3MXL
24QMVJ
U
OUTDOOR UNIT
HEA
T EXCHANGER
EV
A
HEADER
1/4 CuT
5/16 CuT
5/16 CuT
FIL
TER
EV
B
5/16 CuT
5/16 CuT
1/4 CuT
1/2 CuT
5/16 CuT
HEADER
5/16 CuT
5/16 CuT
3/8 CuT
5/8 CuT
3/8 CuT
DISTRIBUT
OR
DC F
AN MOT
OR
3/8 CuT
M
CAPILLAR
Y TUBE
1/2 CuT
PROPELLER F
AN
3/8 CuT
5/8 CuT
1/2 CuT
GAS PIPE THERMISTOR
HEADER
MUFFLER
3/8 CuT
GAS PIPE THERMISTOR
5/8 CuT
MUFFLER
MUFFLER
MUFFLER
MUFFLER
5/8 CuT
3/8 CuT
5/8 CuT
REFRIGERANT FLOW
COMPRESSOR
ACCUMULA
TOR
COOLING
HEA
TING
1/2 CuT
ACCUMULA
TOR
OUTDOOR AIR
THERMISTOR
HEA
T EXCHANGER
(CONDENSER)
THERMISTOR
MUFFLER
WITH
FIL
TER
LIQUID LINE
STOP V
AL
VE
FOUR W
A
Y
VA
LV
E
DISCHARGE PIPE
THERMISTOR
GAS LINE
STOP V
AL
VE
ROOM A
(3/8 CuT)
ROOM B
(1/2 CuT)
FIELD
PIPING
GAS
FIELD
PIPING
LIQUID
ROOM A
(1/4 CuT)
ROOM B
(1/4 CuT)
LIQUID PIPE
THERMISTOR
ELECTRONIC
EXP
ANSION V
AL
VE
3D101223
OUTDOOR UNIT
HEA
T EXCHANGER
EV
A
EV
B
EV
C
HEADER
5/16 CuT
5/16 CuT
5/16 CuT
1/4 CuT
1/4 CuT
1/4 CuT
5/16 CuT
FIL
TER
5/16 CuT
1/2 CuT
5/16 CuT
HEADER
5/16 CuT
5/16 CuT
3/8 CuT
5/8 CuT
3/8 CuT
DISTRIBUT
OR
DC F
AN MOT
OR
3/8 CuT
M
CAPILLAR
Y TUBE
1/2 CuT
PROPELLER F
AN
3/8 CuT
5/8 CuT
1/2 CuT
HEADER
MUFFLER
3/8 CuT
5/8 CuT
MUFFLER
MUFFLER
MUFFLER
MUFFLER
MUFFLER
5/8 CuT
3/8 CuT
5/8 CuT
REFRIGERANT FLOW
COMPRESSOR
ACCUMULA
TOR
COOLING
HEA
TING
1/2 CuT
ACCUMULA
TOR
OUTDOOR AIR
THERMISTOR
HEA
T EXCHANGER
(CONDENSER)
THERMISTOR
FOUR W
A
Y
VA
LV
E
MUFFLER
WITH
FIL
TER
LIQUID LINE
STOP V
AL
VE
DISCHARGE PIPE
THERMISTOR
GAS LINE
STOP V
AL
VE
GAS PIPE THERMIST
OR
GAS PIPE THERMIST
OR
GAS PIPE THERMIST
OR
FIELD
PIPING
GAS
ROOM A
(3/8 CuT)
ROOM B
(1/2 CuT)
ROOM C
(1/2 CuT)
FIELD
PIPING
LIQUID
ROOM A
(1/4 CuT)
ROOM B
(1/4 CuT)
ROOM C
(1/4 CuT)
ELECTRONIC
EXP
ANSION V
AL
VE
LIQUID PIPE
THERMISTOR
3D093191A
242
244
Table of Contents
Table of Contents
3
Safety Cautions
7
Warnings and Cautions Regarding Safety of Workers
7
Warnings and Cautions Regarding Safety of Users
9
Icons Used
12
Part 1 List of Functions
13
Functions
14
Part 2 Specifications
20
Indoor Unit
21
CTXG Series
21
CTXS, FTXS Series
23
FDXS, CDXS Series
25
FVXS Series
26
FFQ Series
27
Outdoor Unit
28
Part 3 Printed Circuit Board Connector Wiring Diagram
30
Indoor Unit
31
Ctxg09/12/18Qvjuw(S)
31
Ctxs07Lvju, Ftxs09/12Lvju
33
Ftxs15/18Lvju
35
Fdxs09/12Lvju, Cdxs15/18Lvju
37
Fvxs09/12/15/18Nvju
39
Ffq09/12/15/18Q2Vju
41
Wired Remote Controller
42
Brc1E73
42
Wireless Remote Controller Kit
43
Brc082A41W, Brc082A42W(S)
43
Outdoor Unit
44
Part 4 Functions and Control
47
Common Functions
49
Temperature Control
49
Frequency Principle
49
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series Functions
52
Airflow Direction Control
52
Fan Speed Control for Indoor Unit
56
Program Dry Operation
57
Automatic Operation
58
Thermostat Control
59
NIGHT SET Mode
60
ECONO Operation
61
2-Area INTELLIGENT EYE Operation
62
INTELLIGENT EYE Operation
64
POWERFUL Operation
65
Multi-Monitor Lamp/Timer Lamp
66
Clock Setting
67
WEEKLY TIMER Operation
68
Other Functions
74
FFQ Series Functions
76
Airflow Direction Control
76
Fan Speed Control for Indoor Unit
76
Program Dry Operation
77
Clock and Calendar Setting (with Wired Remote Controller BRC1E73)
78
Schedule TIMER Operation (with Wired Remote Controller BRC1E73)
80
Setback Function (with Wired Remote Controller BRC1E73)
84
Drain Pump Control
84
Hot Start Control (in Heating Operation Only)
86
Presence and Floor Sensors (Option)
87
Other Functions
90
Control Specification
91
Thermistor Functions
91
Mode Hierarchy
93
Frequency Control
94
Controls at Mode Changing/Start-Up
96
Discharge Pipe Temperature Control
97
Input Current Control
98
Freeze-Up Protection Control
99
Heating Peak-Cut Control
99
Outdoor Fan Control
100
Liquid Compression Protection Function
100
Defrost Control
101
Low Hz High Pressure Limit
102
Electronic Expansion Valve Control
103
Malfunctions
108
Part 5 Remote Controller
109
Applicable Remote Controller
110
Arc466A36
111
Arc452A21
113
Arc452A23
115
Arc466A21
117
BRC1E73 (Wired Remote Controller)
119
BRC082A41W, BRC082A42W(S) (Wireless Remote Controller Kit)
125
Part 6 Service Diagnosis
127
General Problem Symptoms and Check Items
129
Troubleshooting with LED
130
Indoor Unit
130
Outdoor Unit
132
Service Diagnosis
133
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
133
FFQ Series
139
Code Indication on Remote Controller
145
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
145
FFQ Series
145
Outdoor Unit
146
Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
147
Indoor Unit PCB Abnormality
147
Freeze-Up Protection Control/Heating Peak-Cut Control
149
Indoor Fan Motor or Related Abnormality
150
Thermistor or Related Abnormality
154
Front Panel Open/Close Fault
155
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
156
Mismatching of Indoor Unit and Outdoor Unit
158
Troubleshooting for FFQ Series
159
Indoor Unit PCB Abnormality
159
Drain Level Control System Abnormality
160
Indoor Fan Motor (DC Motor) or Related Abnormality
161
Humidifier or Related Abnormality
163
Thermistor or Related Abnormality
164
Presence Sensor or Floor Sensor Abnormality
165
Remote Controller Thermistor Abnormality
166
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
167
Signal Transmission Error (between Indoor Unit and Remote Controller)
169
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
170
Mismatching of Indoor Unit and Outdoor Unit
171
Troubleshooting for Outdoor Unit
172
Refrigerant Shortage
172
Low-Voltage Detection or Over-Voltage Detection
174
Wiring Error Check Unexecuted
176
Unspecified Voltage (between Indoor Unit and Outdoor Unit)/Anti-Icing Control in Other Rooms
177
Anti-Icing Control for Indoor Unit
178
Outdoor Unit PCB Abnormality
180
OL Activation (Compressor Overload)
181
Compressor Lock
183
DC Fan Lock
184
Input Overcurrent Detection
185
Four Way Valve Abnormality
186
Discharge Pipe Temperature Control
188
High Pressure Control in Cooling
189
Compressor Sensor System Abnormality
190
Position Sensor Abnormality
192
CT or Related Abnormality
194
Thermistor or Related Abnormality (Outdoor Unit)
196
Electrical Box Temperature Rise
198
Radiation Fin Temperature Rise
199
Output Overcurrent Detection
200
Check
202
Thermistor Resistance Check
202
Indoor Fan Motor Connector Check
203
Hall IC Check
203
Power Supply Waveform Check
204
Electronic Expansion Valve Check
205
Four Way Valve Performance Check
206
Inverter Unit Refrigerant System Check
206
Inverter Analyzer Check
207
Rotation Pulse Check on the Outdoor Unit PCB
208
Installation Condition Check
209
Discharge Pressure Check
209
Outdoor Fan System Check
210
Main Circuit Short Check
210
Capacitor Voltage Check
211
Power Module Check
212
Part 7 Trial Operation and Field Settings
213
Pump down Operation
214
Forced Cooling Operation
215
Wiring Error Check Function
216
Trial Operation
218
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
218
FFQ Series
220
Field Settings
223
Outdoor Unit
223
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
225
FFQ Series
230
Silicone Grease on Power Transistor/Diode Bridge
238
Part 8 Appendix
239
Piping Diagrams
240
Indoor Unit
240
Outdoor Unit
243
Wiring Diagrams
244
Indoor Unit
244
Outdoor Unit
250
Operation Limit
252
Other manuals for Daikin 2MXL18QMVJU
Installation Manual
20 pages
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Daikin 2MXL18QMVJU and is the answer not in the manual?
Ask a question
Daikin 2MXL18QMVJU Specifications
General
Brand
Daikin
Model
2MXL18QMVJU
Category
Air Conditioner
Language
English
Related product manuals
Daikin 2MXL18WMVJU9
303 pages
Daikin 2MXLH18WVJU9
303 pages
Daikin 2MXLH-W Series
303 pages
Daikin 2MXM50M
114 pages
Daikin 2MXM-N9
76 pages
Daikin 2MXS50FV1B
29 pages
Daikin 2MXS18GVJU
32 pages
Daikin 2MXS40BVMB
169 pages
Daikin 2MXM50A2V1B
72 pages
Daikin 2MXS52E2V1B
23 pages
Daikin 2MXM68A2V1B
84 pages
Daikin 2MXS18NMVJU
282 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Need help?
General
