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Daikin RKH25CVMB7 Manuals
Manuals and User Guides for Daikin RKH25CVMB7. We have
1
Daikin RKH25CVMB7 manual available for free PDF download: Service Manual
Daikin RKH25CVMB7 Service Manual (248 pages)
Inverter Pair Wall Mounted Type C-Series D-Series
Brand:
Daikin
| Category:
Air Conditioner
| Size: 15.34 MB
Table of Contents
Wall Mounted Type
1
Table of Contents
3
Introduction
6
Safety Cautions
6
Caution in Repair
6
Cautions Regarding Products after Repair
7
Inspection after Repair
8
Using Icons
9
Using Icons List
9
Part 1 List of Functions
10
List of Functions Part
10
List of Functions
11
High Grade Models
11
Standard Grade Models
13
Non-Lnverter Models
16
Part 2 Specifications
18
Specifications
19
Cooling Only
19
Heat Pump
25
Part 3 Printed Circuit Board Connector Wiring Diagram
38
Printed Circuit Board Connector Wiring Diagram
39
Indoor Unit
39
Outdoor Unit / ARK(X)S-C
41
Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C
43
Part 4 Function and Control
44
Main Functions
45
Frequency Principle
45
Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing
47
Fan Speed Control for Indoor Units
48
Programme Dry Function
49
Automatic Operation
50
NIGHT SET Mode
51
Intelligent Eye
52
HOME LEAVE Operation
54
Inverter POWERFUL Operation
55
Other Functions
56
Function of Thermistor
57
Heat Pump Model
57
Cooling Only Model
58
Control Specification
59
Mode Hierarchy
59
Frequency Control
60
Controls at Mode Changing / Start-Up
62
Discharge Pipe Control
63
Input Current Control
64
Freeze-Up Protection Control
64
Heating Peak-Cut Control
65
Fan Control
65
Liquid Compression Protection Function 2
65
Defrost Control
66
Electronic Expansion Valve Control
67
Target Discharge Pipe Temperature Control
69
Malfunctions
70
Forced Operation Mode
71
Additional Function
71
Facility Setting Jumper (Cooling at Low Outdoor Temperature)
72
Part 5 System Configuration
74
System Configuration
75
Instruction
76
Safety Precautions
76
Installation Site
77
Electrical Work
77
Names of Parts
78
Outdoor Unit
79
Remote Control
80
Preparation before Operation
81
To Set the Clock
83
Auto Dry Cool Heat Fan Operation
84
To Change the Air Flow Rate Setting
85
Adjusting the Air Flow Direction
86
POWERFUL Operation
88
OUTDOOR UNIT SILENT Operation
89
HOME LEAVE Operation
90
INTELLIGENT EYE Operation
92
TIMER Operation
94
To Use on Timer Operation
95
To Combine on Timer and off Timer
95
Care and Cleaning
96
Air Filter
97
Before a Long Idle Period
98
Troubleshooting
99
Part 6 Service Diagnosis
104
Caution for Diagnosis
105
Problem Symptoms and Measures
106
Service Check Function
107
Troubleshooting
110
Error Codes and Description
110
Indoor Unit PCB Abnormality
111
Freeze-Up Protection Control or High Pressure Control
112
Fan Motor (AC Motor) or Related Abnormality
114
Thermistor or Related Abnormality (Indoor Unit)
115
Signal Transmission Error (between Indoor and Outdoor Unit)
116
OL Activation (Compressor Overload)
117
Compressor Lock
118
DC Fan Lock
119
Input over Current Detection
120
Four Way Valve Abnormality
121
Discharge Pipe Temperature Control
123
High Pressure Control in Cooling
124
Position Sensor Abnormality
126
DC Voltage / Current Sensor Abnormality
127
Thermistor or Related Abnormality (Outdoor Unit)
128
Electrical Box Temperature Rise
130
Radiation Fin Temperature Rise
132
Output over Current Detection
134
Insufficient Gas
136
Over-Voltage Detection
138
Check
139
How to Check
139
Four Way Valve Performance Check
140
Thermistor Resistance Check
141
Installation Condition Check
142
Discharge Pressure Check
142
Outdoor Unit Fan System Check
143
Power Supply Waveforms Check
144
Inverter Units Refrigerant System Check
144
Power Transistor Check
145
Hall IC Check
146
Part 7 Removal Procedure
148
Indoor Unit
149
Removal of Air Filter
149
Removal of Front Grille
152
Removal of Horizontal Blade and Vertical Blade
155
Removal of Switch Box, PC Board and Swing Motor
157
Removal of Heat Exchanger
163
Install of Drain Plug
166
Removal of Fan Rotor and Fan Motor
167
Outdoor Unit / ARK(X)S-C
171
Removal of Panels and Fan Motor
171
Removal of Electrical Box
178
Removal of Reactor and Partition Plate
180
Removal of Sound Blanket
182
Removal of Four Way Valve
184
Removal of Compressor
186
Removal of PCB
188
Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C
191
Removal of External Panels
191
Removal of Bell Mouth
194
Removal of PCB
195
Removal of Electrical Box
203
Removal of Propeller Fan and Fan Motor
206
Removal of Compressor Sound Insulation Pad
209
Removal of Compressor
218
Removal of Four Way Valve
221
Removal of Electronic Expansion Valve
224
Part 8 Others
226
Others
227
Test Run from the Remote Control
227
Jumper Settings
228
Part 9 Appendix
230
Piping Diagrams
231
Indoor Units
231
Outdoor Units
232
Wiring Diagrams
238
Indoor Units
238
Outdoor Units
239
Index
242
Drawings & Flow Charts
246
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