Daikin CTX12AXVJU User Manual

Name: Daikin CTX12AXVJU
Brand: Daikin
Rating: 5 (1 reviews)

108 pages

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Servic e

Manual

DAMA-SM-21-003

Service Manual / Inverter Multi Split Wall Mounted Type CTX(X) Series DAMA-SM-21-003

Inverter Multi Split

Wall Mounted Type CTX(X) Series

[Applied Models]

Inverter Split : Heat Pump Unit

Table of Contents3
Introduction6
Safety Cautions7
Warnings and Cautions Regarding Safety of Workers7
Warnings and Cautions Regarding Safety of Users13
Icons Used15
Revision History16
Part 1 General Information17
Applicable Models18
Part 2 Specifications20
Specification Data20
Functions25
Part 3 Functions and Control26
Main Functions27
Temperature Control27
Frequency Control27
Airflow Direction Control29
Fan Speed Control for Indoor Unit29
Dry Mode30
Automatic Operation31
Thermostat Control32
ECO+ Operation33
Sleep Mode34
POWERFUL Operation34
Other Functions35
Thermistor Functions36
Control Specification37
Mode Hierarchy37
Frequency Control38
Controls at Mode Changing/Start-Up40
Discharge Pipe Temperature Control41
Input Current Control42
Freeze-Up Protection Control43
Heating Peak-Cut Control44
Outdoor Fan Control45
Liquid Compression Protection Function46
Defrost Control46
Electronic Expansion Valve Control47
Malfunctions51
Part 4 Remote Controller52
Applicable Remote Controller53
Brc52B63/6454
Part 5 Service Diagnosis55
General Problem Symptoms and Check Items56
Troubleshooting with LED57
Indoor Unit57
Outdoor Unit57
Error Diagnosis58
To Enter Error Diagnosis58
Troubleshooting59
Error Codes and Description59
Indoor Unit PCB Abnormality61
Freeze-Up Protection Control62
Indoor Fan Motor (DC Motor) or Related Abnormality63
Thermistor or Related Abnormality (Indoor Unit)64
Thermistor or Related Abnormality (Indoor Unit)65
Low-Voltage Detection or Over-Voltage Detection66
Signal Transmission Error (between Indoor Unit and Outdoor Unit)67
Installation Error69
Outdoor Unit PCB Abnormality70
OL Activation (Compressor Overload)71
Compressor Lock73
DC Fan Lock74
Input Overcurrent Detection75
Discharge Pipe Temperature Control76
High Pressure Control in Cooling77
Compressor System Sensor Abnormality79
Position Sensor Abnormality80
Thermistor or Related Abnormality (Outdoor Unit)81
Electrical Box Temperature Rise83
Radiation Fin Temperature Rise84
Output Overcurrent Detection85
Four Way Valve Abnormality87
Actuator Check90
Thermistor Resistance Check90
Power Supply Waveform Check91
Electronic Expansion Valve Check91
Four Way Valve Performance Check92
Inverter Unit Refrigerant System Check93
Rotation Pulse Check on the Outdoor Unit PCB93
Installation Condition Check94
Discharge Pressure Check94
Outdoor Fan System Check95
Main Circuit Short Check95
Power Module Check96
Part 6 Trial Operation and Field Settings97
Pump down Operation98
Forced Cooling Operation99
Silicone Grease on Power Transistor/Diode Bridge100
Part 7 Appendix101
Piping Diagrams102
Indoor Unit102
Outdoor Unit102
Wiring Diagrams103
Indoor Unit103
Outdoor Unit103
Printed Circuit Board Connector Wiring Diagram104
Printed Circuit Board Connector Wiring Diagram105
Operation Limit107

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Daikin CTX12AXVJU Specifications

General

Brand	Daikin
Model	CTX12AXVJU
Category	Heat Pump
Language	English

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Daikin CTX12AXVJU User Manual

Table of Contents

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