Read Panasonic CS-A18DKD / CU-A18DKD / CS-A24DKD / CU-A24DKD 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-A18DKD CU-A18DKD
6
3.2.
CS-A24DKD CU-A24DKD
8
4 Dimensions
10
4.1.
Indoor Unit & Remote Control
10
4.2.
Outdoor Unit
11
5 Refrigeration Cycle Diagram
12
6 Block Diagram
13
7 Wiring Diagram
14
8 Operation Details
15
CS-A18DKD CU-A18DKD
CS-A24DKD CU-A24DKD
CS-A24DKD CU-A24DKD
8.1.
Heating Operation
15
8.2.
Cooling Operation
16
8.3.
Soft Dry Operation
17
8.4.
Automatic Operation
18
8.5.
Operation Control
19
8.6.
Indoor Fan Speed Control
26
8.7.
Outdoor Fan Speed Control
28
8.8.
Vertical Airflow Direction Control
28
8.9.
Horizontal Airflow Direction Control
29
8.10. Powerful Operation
30
8.11. Quiet Operation
30
8.12. Ionizer Operation
32
8.13. Timer Control
33
8.14. Random Auto Restart Control
34
8.15. Remote Control Signal Receiving Sound
34
Air Conditioner
CONTENTS
Page
Page
Order No. MAC0501007C3
9 Operating Instructions
35
10 Installation Instructions
41
10.1. Safety Precautions
41
10.2. Indoor Unit
44
10.3. Outdoor Unit
48
11 2-way, 3-way Valve
51
11.1. Evacuation of the Equipment (For Europe & Oceania
Destination)
52
11.2. Air Purging of the Piping and Indoor Unit
58
12 Servicing Information
64
12.1. Indoor Electronic Controllers Removal Procedures
64
12.2. Cross Flow Fan and Indoor Fan Motor Removal
Procedures
65
12.3. Remote Control Reset
66
12.4. Auto OFF/ON Button
67
13 Troubleshooting Guide
68
13.1. Refrigeration cycle system
68
• 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
• 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 horizontal and vertical airflow.
• Long installation piping up to 25 meter.
• Supersonic Air Purifying System with SUPER alleru-buster.
• Supersonic Air Purifying System with SUPER alleru-buster.
− Inactive various harmful airbone elements including
allergens, viruses and bacteria.
− Generated supersonic waves enhance the ability to
collect dust and dirt in the air.
• Quality Improvement
− Random auto restart after power failure for safety restart
operation.
− Gas leakage detection.
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Blue coated Condenser for high resistance to corrosion.
− Anti-dew formation control (Cooling & Soft Dry).
− Overload Protection Control (Heating).
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Blue coated Condenser for high resistance to corrosion.
− Anti-dew formation control (Cooling & Soft Dry).
− Overload Protection Control (Heating).
− Outdoor Fan Control.
− Compressor High Pressure Control.
− Compressor High Pressure Control.
• Operation Improvement
− Quiet mode to provide quiet operation.
− Powerful mode to reach the desired room temperature
− Powerful mode to reach the desired room temperature
quickly.
− Ionizer control for generating negative ion in discharge
air.
− 24-hour timer setting.
14 Technical Data
70
14.1. Thermostat characteristics
70
14.2. Operation characteristics
71
15 Exploded View (Indoor Unit)
73
15.1. CS-A18DKD CS-A24DKD
73
16 Replacement Parts List (Indoor Unit)
74
16.1. CS-A18DKD CS-A24DKD
74
17 Exploded View (Outdoor Unit)
75
17.1. CU-A18DKD CU-A24DKD
75
18 Replacement Parts List (Outdoor Unit)
76
18.1. CU-A18DKD CU-A24DKD
76
19 Electronic Circuit Diagram
77
19.1. Indoor Unit & Outdoor Unit
77
19.2. Remote Control
83
19.3. Print Pattern Indoor Unit Printed Circuit Board
84
19.4. Print Pattern Indicator & Receiver Printed Circuit Board 85
19.5. Print PatternOutdoor Unit Printed Circuit Board
86
• Serviceability Improvement
− Removable and washable Front Panel.
1 Features
2
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
2 Functions
2.1. Remote Control
Operation Start/Stop
OFF / ON
Room Temperature Setting
TEMP.
Operation Mode Selection
•
AUTO
Automatic Operation
•
COOL
Cooling Operation
•
HEAT
Heating Operation Mode
•
DRY
Soft Dry Operation
MODE
Time / Timer Setting
• Hours and minutes setting.
Clock Setting
• Current time setting.
Ionizer Operation Start/Stop
Indoor Fan Speed Selection
FAN SPEED
•
FAN
Low Fan Speed
•
FAN
Medium Fan Speed
•
FAN
High Fan Speed
•
AUTO
Automatic Fan Speed
FAN
Airflow Direction Control
• 24-hour, OFF / ON Real Timer Setting.
ON-TIMER
OFF-TIMER
Timer Operation Selection
SET
CANCEL
Timer Operation Set / Cancel
• ON Timer and OFF Timer setting and
cancellation.
CLOCK
AIR SWING
•
Vertical Automatic Airflow
Direction Control and Manual
Airflow Direction Control
(5 stages of adjustment).
Direction Control and Manual
Airflow Direction Control
(5 stages of adjustment).
•
Horizontal Automatic Airflow
Direction Control and Manual
Airflow Direction Control
(5 stages of adjustment).
Direction Control and Manual
Airflow Direction Control
(5 stages of adjustment).
Powerful Operation Start/Stop
POWERFUL
Quiet Operation Start/Stop
QUIET
Cooling, Soft Dry Operation.
• Increase or decrease set temperature
• Increase or decrease set temperature
(16
°C to 30°C)
Automatic Operation
•
•
Operation with 2
°C higher than
standard temperature.
•
Operation with standard temperature.
•
Operation with 2
°C lower than
standard temperature.
<
<
3
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
2.2. Indoor Unit
Ionizer Operation
• Generate and discharge negative ion.
Random Auto Restart Control
• Unit will be restarted, when resume from
power failure, at previous setting.
Anti-Freezing Control
• To prevent indoor heat exchanger from
freezing.
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 control can be adjusted
automatically or manually by remote control.
automatically or manually by remote control.
Horizontal airflow control can be adjusted
automatically or manually by remote control.
Airflow Direction Control
Automatic Operation Button
• Press for < 5 second to operate Automatic
operation mode.Use when the remote
control cannot be used.
control cannot be used.
• Press for > 5 second to operate Cooling
operation mode and compressor force
to on (“beep” sound will be heard). Used
when test running or servicing.
to on (“beep” sound will be 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.)
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)
•
POWER
(Green) ........ Lights up in operation,
blinks in Automatic
Operation judging.
Operation judging.
•
QUIET
(Orange) ........ Lights up in Quiet
Operation.
•
TIMER
(Orange) ....... Lights up in Timer
Setting.
•
POWERFUL
(Orange) .. Lights up in Powerful
Operation.
•
ION
(Green) ........... Lights up in Ionizer
Operation.
•
SUPER
ALLERU-BUSTER
(Blue) ... Lights up in operation.
Operation Mode
• Heating, Cooling, Soft Dry and Automatic
Operation.
Powerful Operation
• Reaches the desired room temperature
quickly.
Timer Operation
• Delay OFF/ON Timer control.
Time Delay Safety Control
• Restarting is inhibited for approximately
3 minutes.
Quiet Operation
• To provide quiet operation.
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.
Hot-Start Control
• To prevent cold air being discharge during
Heating operation starts.
Anti Cold Draft Control
• To prevent the cold draft during Heating
mode operation in thermo off condition.
4
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD