CS-A7DKD, CU-A7DKD, CS-A9DKD, CU-A9DKD, CS-A12DKD, CU-A12DKD - Panasonic Air Conditioner Service Manual (repair manual)

cs-a7dkd, cu-a7dkd, cs-a9dkd, cu-a9dkd, cs-a12dkd, cu-a12dkd service manual
Model
CS-A7DKD CU-A7DKD CS-A9DKD CU-A9DKD CS-A12DKD CU-A12DKD
Pages
88
Size
8.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR CONDITIONER
File
cs-a7dkd-cu-a7dkd-cs-a9dkd-cu-a9dkd-cs-a12dkd-cu-a.pdf
Date

Read Panasonic CS-A7DKD / CU-A7DKD / CS-A9DKD / CU-A9DKD / CS-A12DKD / CU-A12DKD Service Manual online

 1 Features 
2
 2 Functions 
3
 2.1. 
Remote Control 
3
 2.2. 
Indoor Unit 
4
 2.3. 
Outdoor Unit 
5
 3 Product Specifications 
6
 3.1. 
CS-A7DKD CU-A7DKD 
6
 3.2. 
CS-A9DKD CU-A9DKD 
8
 3.3. 
CS-A12DKD CU-A12DKD 
10
 4 Dimensions 
12
CS-A7DKD CU-A7DKD
CS-A9DKD CU-A9DKD
CS-A12DKD CU-A12DKD
 4.1. 
Indoor Unit & Remote Control 
12
 4.2. 
Outdoor Unit 
13
 5 Refrigeration Cycle Diagram 
14
 6 Block Diagram 
15
 7 Wiring Diagram 
17
 8 Operation Details 
19
 8.1. 
Heating Operation 
19
 8.2. 
Cooling Operation 
20
 8.3. 
Soft Dry Operation 
21
Air Conditioner
CONTENTS
 Page 
Page
Order No. MAC0501023C3
 8.4. 
Automatic Operation 
22
 8.5. 
Operation Control 
23
 8.6. 
Indoor Fan Speed Control 
30
 8.7. 
Outdoor Fan Speed Control 
32
 8.8. 
Vertical Airflow Direction Control 
32
 8.9. 
Horizontal Airflow Direction Control 
33
 8.10. Powerful Operation 
33
 8.11. Quiet Operation 
35
 8.12. Ionizer Operation 
37
 8.13. Timer Control 
38
 8.14. Random Auto Restart Control 
38
 8.15. Remote Control Signal Receiving Sound 
38
 9 Operating Instructions 
39
 10 Installation Instructions 
45
 10.1. Safety Precautions 
45
 10.2. Attached accessories 
47
 10.3. Select the best location 
47
 10.4. Indoor/Outdoor Unit Installation Diagram 
47
 10.5. Indoor unit 
48
 10.6. Outdoor unit 
51
 11 2-way, 3-way Valve 
56
 11.1. Air Purging of the Piping and Indoor Unit 
57
 12 Servicing Information 
63
 12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 
63
 12.2. Indoor Electronic Controllers Removal Procedures 
63
 • 
High Efficiency
 • 
Compact Design
 • 
Wider range of horizontal discharge air.
 • 
Air Filter with function to reduce dust and smoke.
 • 
Automatic air swing and manual adjusted by Remote
Control for vertical airflow.
 • 
Long installation piping.
 − 
CS/CU-A7DK, CS/CU-A9DK, long piping up to 10
meter.
 − 
CS/CU-A12DK, long piping up to 15 meter.
 • 
Supersonic Air Purifying Device with SUPER alleru-
buster.
 − 
Inactive various harmful airborne elements including
allergen, viruses and bacteria.
 − 
Generated supersonic waves enhance the ability to
collect dust and dirt in the air.
 12.3. Indoor Fan Motor And Cross Flow Fan Removal
Procedures 
64
 12.4. Auto OFF/ON Button 
65
 12.5. Remote Control Reset 
66
 13 Troubleshooting Guide 
67
 13.1. Refrigeration Cycle System 
67
 13.2. Relationship Between The Condition Of The Air
Conditioner And Pressure And Electric Current 
68
 13.3. Diagnosis Methods Of A Malfunction Of A Compressor
And 4-way Valve 
68
 14 Technical Data 
69
 14.1. Thermostat Characteristics 
69
 14.2. Operation Characteristics 
70
 15 Exploded View (Indoor Unit) 
73
 15.1. CS-A7DKD CS-A9DKD CS-A12DKD 
73
 16 Replacement Parts List (Indoor Unit) 
74
 17 Exploded View (Outdoor Unit) 
75
 17.1. CU-A7DKD CU-A9DKD 
75
 17.2. CU-A12DKD 
76
 18 Replacement Parts List (Outdoor Unit) 
77
 19 Electronic Circuit Diagram 
79
 19.1. Indoor Unit & Outdoor Unit 
79
 19.2. Remote Control 
85
 19.3. Print Pattern Indoor Unit Printed Circuit Board 
86
 19.4. Print Pattern Indicator & Receiver Printed Circuit Board
 
88
 • 
Quality Improvement
 − 
Random auto restart after power failure for safety restart
operation.
 − 
Gas leakage protection.
 − 
Prevent Compressor reverse cycle.
 − 
Inner protector to protect Compressor.
 − 
Noise prevention during soft dry operation.
 − 
Blue Coated Condenser for high resistance to corrosion.
 • 
Operation Improvement
 − 
Quiet mode to provide quiet operation.
 − 
Powerful mode to reach the desired room temperature
quickly.
 − 
Ionizer control for generating negative ion in discharge
air.
 − 
24-hour timer setting.
 • 
Serviceability Improvement
 − 
Removable and washable Front Panel.
1 Features
2
CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12DKD CU-A12DKD /
2 Functions
2.1. Remote Control
3
CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12DKD CU-A12DKD /
2.2. Indoor Unit
Automatic Operation Button
• Press for < 5 second to operate Automatic
operation mode. Used when the remote control
cannot be used.
• Press for 
 5 second to operate Cooling
operation mode and compressor force to on
(“beep” sound will heard). Used when test
running or servicing.
• Within 20 second of Cooling operation, press
continuously for
 5 second to enter various
setting mode. “beep, beep” sound will be heard.
(Used to toggle remote control signal receiving
sound or select remote control transmission
code).
AUTO
OFF / ON
Operation Indication Lamps (LED)
7 Minutes Time Save Control
• To reduce the built up humidity inside the room.
Anti-Dew Formation Control
• Anti-Dew Formation Control for indoor unit
discharge area.
Timer Operation
• Delay OFF/ON Timer control.
Powerful Operation
• Reaches the desired room temperature quickly.
Anti-Freezing Control
• To prevent indoor heat exchanger from freezing.
Random Auto Restart Control
• Unit will be restarted, when resume from power
failure, at previous setting.
Indoor Fan Speed Control
• Manual control fan speed (High, Medium and
Low).
• Automatic fan speed.
• Vertical airflow control can be adjusted
automatically or manually by remote control.
• Horizontal airflow can be manually adjusted by
hand.
Airflow Direction Control
Time Delay Safety Control
• Restarting is inhibited for appro. 3 minutes.
Hot-Start Control
• To prevent cold air being discharge during
Heating operation starts.
Starting Current Control
• To reduce the starting current.
Anti Cold Draft Control
• To prevent the cold draft during Heating mode
operation in thermo off condition.
Operation Mode
• Heating, Cooling, Soft Dry and Automatic
Operation.
30 Minutes Time Save Control
• Heating operation only.
Quiet Operation
• To provide quiet operation.
Ionizer Operation
• Generate and discharge negative ion.
POWER
 
(Green) ............. Lights up in operation,
blinks in Automatic
Operation judging and
Hot Start operation.
TIMER
 
(Orange) ............ Lights up in Timer
Setting.
QUIET
 
(Orange) ............. Lights up in Quiet
Operation.
POWERFUL
 
(Orange) ...... Lights up in Powerful
Operation.
ION
 
(Green) .................. Lights up in Ionizer
Operation.
SUPER
ALLERU-BUSTER
 
(Blue) ... Lights up in operation.
4
CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12DKD CU-A12DKD /
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Here you can read online and download Panasonic CS-A7DKD / CU-A7DKD / CS-A9DKD / CU-A9DKD / CS-A12DKD / CU-A12DKD Service Manual in PDF. CS-A7DKD / CU-A7DKD / CS-A9DKD / CU-A9DKD / CS-A12DKD / CU-A12DKD service manual will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic CS-A7DKD / CU-A7DKD / CS-A9DKD / CU-A9DKD / CS-A12DKD / CU-A12DKD Air Conditioner. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.