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Daikin
Air Conditioner
FTKM28PVMK
Daikin FTKM28PVMK Service Manual
119 pages
Manual
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Service
Manual
Inverter Pair
Wall Mounted Type
FTK(X)M-
P Series
SiMT041509E
[Applied Models]
z
Inverter Pair
: Heat Pu
mp
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
12
Used Icons
15
Part 1 List of Functions
16
Functions
17
Part 2 Specifications
18
Specifications
19
Part 3 Printed Circuit Board Connector Wiring Diagram
23
Indoor Unit
24
Outdoor Unit
26
Part 4 Function and Control
27
Main Functions
28
Temperature Control
28
Frequency Principle
28
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
INTELLIGENT EYE Operation
36
Inverter POWERFUL Operation
37
Clock Setting
38
WEEKLY TIMER Operation
39
Other Functions
45
Function of Thermistor
46
Control Specification
47
Mode Hierarchy
47
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
Discharge Pipe Thermistor Disconnection Control
58
Malfunctions
58
Part 5 Remote Controller
59
Remote Controller
60
Part 6 Service Diagnosis
62
General Problem Symptoms and Check Items
63
Troubleshooting with LED
64
Indoor Unit
64
Outdoor Unit
64
Service Diagnosis
65
Troubleshooting
68
Error Codes and Description
68
Indoor Unit PCB Abnormality
69
Freeze-Up Protection Control / Heating Peak-Cut Control
70
Fan Motor (DC Motor) or Related Abnormality
71
Thermistor or Related Abnormality (Indoor Unit)
73
Low-Voltage Detection or Over-Voltage Detection
74
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
76
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
78
Outdoor Unit PCB Abnormality
79
Actuation of High Pressure Switch
80
OL Activation (Compressor Overload)
81
Compressor Lock
83
DC Fan Lock
84
Input Overcurrent Detection
85
Four Way Valve Abnormality
86
Discharge Pipe Temperature Control
88
Compressor System Sensor Abnormality
89
Position Sensor Abnormality
90
Thermistor or Related Abnormality (Outdoor Unit)
92
Electrical Box Temperature Rise
94
Radiation Fin Temperature Rise
95
Output Overcurrent Detection
96
Check
98
Thermistor Resistance Check
98
Indoor Fan Motor Connector Output Check
99
Power Supply Waveforms Check
99
Electronic Expansion Valve Check
99
Four Way Valve Performance Check
100
Inverter Unit Refrigerant System Check
100
Inverter Analyzer Check
101
Rotation Pulse Check on the Outdoor Unit PCB
102
Installation Condition Check
103
Discharge Pressure Check
103
Outdoor Fan System Check
104
Main Circuit Short Check
104
Power Module Check
105
Part 7 Trial Operation and Field Settings
106
Tips for Servicing
107
Pump down Operation
107
Forced Cooling Operation
107
Trial Operation
108
Field Settings
109
When 2 Units Are Installed in 1 Room
109
Jumper Settings
109
Silicon Grease on Power Transistor / Diode Bridge
110
Part 8 Appendix
111
Piping Diagrams
112
Indoor Unit
112
Outdoor Unit
113
Wiring Diagrams
116
Indoor Unit
116
Outdoor Unit
117
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Daikin FTKM28PVMK Specifications
General
Cooling Capacity
2.8 kW
Star Rating
5 Star
Indoor Unit Weight
9 kg
Refrigerant
R32
Power Supply
220-240 V, 50 Hz
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