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RX36NMVJU
Daikin RX36NMVJU Service Manual
132 pages
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Service
Manual
Inverter Pair
Wall Mounted Type FTX-N Series
SiUS041638EA
[Applied Models]
Inverter Pair : Cooling On
ly
Inve
rter P
air : Heat P
ump
2
Table of Contents
Default Chapter
3
Table of Contents
3
Safety Cautions
6
Warnings and Cautions Regarding Safety of Workers
6
Warnings and Cautions Regarding Safety of Users
8
Icons Used
11
Part 1 List of Functions
12
Functions
13
Part 2 Specifications
14
Specifications
15
Cooling Only
15
Heat Pump
17
Part 3 Printed Circuit Board Connector Wiring Diagram
19
Indoor Unit
20
Ftx30/36Nvju
20
Outdoor Unit
22
Rk(X)30/36Nmvju(A)
22
Part 4 Functions and Control
25
Main Functions
26
Temperature Control
26
Frequency Principle
26
Airflow Direction Control
28
Fan Speed Control for Indoor Unit
29
Program Dry Operation
30
Automatic Operation
31
Thermostat Control
32
NIGHT SET Mode
33
ECONO Operation
33
INTELLIGENT EYE Operation
34
POWERFUL Operation
35
Clock Setting
36
WEEKLY TIMER Operation
37
Other Functions
43
Thermistor Functions
44
Control Specification
46
Mode Hierarchy
46
Frequency Control
47
Controls at Mode Changing/Start-Up
49
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
65
Troubleshooting with LED
66
Indoor Unit
66
Outdoor Unit
66
Service Diagnosis
67
Troubleshooting
70
Error Codes and Description
70
Indoor Unit PCB Abnormality
71
Freeze-Up Protection Control/Heating Peak-Cut Control
73
Indoor Fan Motor (DC Motor) or Related Abnormality
74
Thermistor or Related Abnormality (Indoor Unit)
76
Low-Voltage Detection or Over-Voltage Detection
77
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
79
Signal Transmission Error on Outdoor Unit PCB
81
Mismatching of Indoor Unit and Outdoor Unit
82
Outdoor Unit PCB Abnormality
83
OL Activation (Compressor Overload)
84
Compressor Lock
86
DC Fan Lock (Outdoor Fan)
87
Input Overcurrent Detection
88
Four Way Valve Abnormality
89
Discharge Pipe Temperature Control
91
High Pressure Control in Cooling
92
System Shutdown Due to Compressor Internal Temperature Abnormality
93
Compressor System Sensor Abnormality
94
Position Sensor Abnormality
95
CT or Related Abnormality
97
Thermistor or Related Abnormality (Outdoor Unit)
99
Electrical Box Temperature Rise
101
Radiation Fin Temperature Rise
102
Output Overcurrent Detection
103
Check
105
Thermistor Resistance Check
105
Indoor Fan Motor Connector Output Check
106
Power Supply Waveforms Check
106
Electronic Expansion Valve Check
107
Four Way Valve Performance Check
108
Inverter Unit Refrigerant System Check
108
Inverter Analyzer Check
109
Rotation Pulse Check on the Outdoor Unit PCB
111
Installation Condition Check
112
Discharge Pressure Check
112
Outdoor Fan System Check
113
Main Circuit Short Check
113
Capacitor Voltage Check
114
Power Module Check
114
Part 7 Trial Operation and Field Settings
116
Pump down Operation
117
Forced Cooling Operation
118
Trial Operation
119
Field Settings
120
Model Type Setting
120
Temperature Display Switch
120
When 2 Units Are Installed in 1 Room
121
Facility Setting Switch (Cooling at Low Outdoor Temperature)
122
Silicone Grease on Power Transistor/Diode Bridge
124
Part 8 Appendix
125
Piping Diagrams
126
Indoor Unit
126
Outdoor Unit
127
Wiring Diagrams
128
Indoor Unit
128
Outdoor Unit
129
Operation Limit
130
Other manuals for Daikin RX36NMVJU
Installation Manual
14 pages
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Daikin RX36NMVJU Specifications
General
Cooling Capacity
3.6 kW
Refrigerant
R32
Heating Capacity
4.0 kW
Outdoor Unit Weight
32 kg
Type
Split System
Power Supply
220-240 V, 50 Hz
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