Read Panasonic CS-A18CKE / CU-A18CKE / CS-A24CKE / CU-A24CKE Service Manual online
1
Features
2
2
Functions
3
3
Product Specifications
6
4
Dimensions
10
5
Refrigeration Cycle Diagram
12
6
Block Diagram
13
7
Wiring Diagram
14
8
Operation Details
15
8.1.
Indoor Fan Speed Control
15
8.2.
Cooling Mode Operation
16
8.3.
Soft Dry Mode Operation
20
8.4.
Heating Mode Operation
22
8.5.
Automatic Mode Operation
27
8.6.
Random Auto Restart Control
28
CS-A18CKE CU-A18CKE
CS-A24CKE CU-A24CKE
CS-A24CKE CU-A24CKE
8.7.
Airflow Direction Control
28
8.8.
Delay ON Timer Control
29
8.9.
Remote Control Signal Receiving Sound
29
8.10. Powerful Mode Operation
30
8.11. Ionizer Operation
31
9
Operating Instructions
35
10 Installation Instructions
43
10.1. Safety Precautions
43
10.2. INDOOR UNIT
46
10.3. OUTDOOR UNIT
49
11 2-way, 3-way Valve
53
11.1. Evacuation of the Equipment (For Europe & Oceania
Destination)
54
11.2. Air Purging of the Piping and Indoor Unit
60
Air Conditioner
CONTENTS
Page
Page
Order No. MAC0311035C2
12 Servicing Information
66
12.1. Indoor Electronic Controllers Removal Procedures
66
12.2. Cross Flow Fan Indoor and Fan Motor Removal
Procedures
67
13 Troubleshooting Guide
70
13.1. Refrigeration cycle system
70
14 Technical Data
72
15 Exploded View
76
16 Replacement Parts List
77
17 Exploded View
78
•
•
•
• High Efficiency
•
•
•
• Compact Design
•
•
•
• Comfort Environment
−
−
−
− Ionizer control for generate negative ion in discharge air
−
−
−
− Air filter with function to reduce dust and smoke
−
−
−
− Wider range of horizontal discharge air
−
−
−
− New Automatic air swing and manual adjusted by
remote control for horizontal airflow
•
•
•
• Auto Restart
−
−
−
− Random auto restart after power failure for safety restart
operation
•
•
•
• Removable and Washable Front Panel
•
•
•
• Remote Control Self-illuminating Button
•
•
•
• Catechin Air Purifying Filter
−
−
−
− Trap dust, tobacco smoke and tiny particles
−
−
−
− Prevent the growth of bacteria and viruses trapped
18 Replacement Parts List
79
19 Electronic Circuit Diagram
80
19.1. REMOTE CONTROL
86
19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT
BOARD
87
19.3. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT
BOARD
88
19.4. PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT
BOARD
89
•
•
•
• Triple Deodorizing Filter
−
−
−
− Absorb odours produced by wall paper, construction
material and living environment
•
•
•
• Quality Improvement
−
−
−
− Gas leakage protection
−
−
−
− Prevent compressor reverse cycle
−
−
−
− Noise prevention during soft dry operation.
−
−
−
− Anti-dew Formation Control (Cooling & Soft Dry)
−
−
−
− Overload Protection Control (Heating)
−
−
−
− Outdoor Fan Control
−
−
−
− Compressor High Pressure Control
−
−
−
− Blue Coated Condenser
−
−
−
− High resistance to corrosion
•
•
•
• Operation Improvement
−
−
−
− Quiet mode to provide quiet operation
−
−
−
− Powerful mode to reach the desired room temperature
quickly
•
•
•
• Long Installation Piping
−
−
−
− Long piping up to 25 meter
•
•
•
• 24-hour Timer Setting
1 Features
2
CS-A18CKE CU-A18CKE / CS-A24CKE CU-A24CKE
2 Functions
Remote Control
Operation OFF / ON
OFF / ON
I
Room Temperature Setting
TEMP.
Operation Mode Selection
•
AUTO
Automatic Operation Mode
•
HEAT
Heating Operation Mode
•
COOL
Cooling Operation Mode
•
DRY
Soft Dry Operation Mode
MODE
TIME
Time / Timer Setting
• Hours and minutes setting.
Clock Setting
• Current time setting.
Ionizer Operation OFF / ON
Indoor Fan Speed Selection
FAN SPEED
•
FAN
Low Fan Speed
•
FAN
Medium Fan Speed
•
FAN
High Fan Speed
•
AUTO
Automatic Fan Speed
FAN
Vertical Airflow Direction Control
• 24-hour, OFF / ON Real Timer Setting.
ON-TIMER
OFF-TIMER
OFF-TIMER
Timer Operation Selection
SET
CANCEL
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 Mode Operation OFF/ON
POWERFUL
Quiet Mode Operation OFF/ON
QUIET
Heating, Cooling, Soft Dry Operation.
• Temperature Setting (16°C to 30°C)
• Temperature Setting (16°C to 30°C)
Automatic Operation
•
•
Operation with 2°C higher than
standard temperature.
standard temperature.
•
Operation with standard temperature.
•
Operation with 2°C lower than
standard temperature.
standard temperature.
Self illuminating
button
3
CS-A18CKE CU-A18CKE / CS-A24CKE CU-A24CKE
Indoor Unit
Ionizer Control
• Ionizer control for generate negative ion
in discharge air.
Indoor Fan Speed Control
• High, Medium and Low.
• Automatic Fan Speed Mode
• Automatic Fan Speed Mode
–
Heating : Fan speed varies from Me
SSLo in accordance with
indoor heat exchanger.
–
Cooling : Fan rotates at Hi, Me and
Lo- speed. Deodorizing
control is available.
control is available.
–
Soft Dry : Fan rotates at Lo- speed.
Deodorizing control is
available.
available.
• Automatic air swing and manual adjusted
by remote control for vertical and horizontal
airflow.
airflow.
Airflow Direction Control
Automatic Operation Button
• Press for < 5s to operate Automatic
operation mode.
(Used when the remote control cannot be
used.)
(Used when the remote control cannot be
used.)
• Press continuously for 5s or < 10s to
operate Test Run/Pump down. “Beep”
sound will be heard at the 5th second.
(Used when test running or servicing.)
sound will be heard at the 5th second.
(Used when test running or servicing.)
• Press continuously for 10s and above to
omit or resume the remote control signal
receiving sound. “Beep, beep” sound will
be heard at the 10th second.
receiving sound. “Beep, beep” sound will
be heard at the 10th second.
AUTO
OFF / ON
Operation Indication Lamps (LED)
•
POWER
(Green) .......... Lights up in operation,
blinks in Automatic
Operation Mode judging
and Hot Start operation.
Operation Mode judging
and Hot Start operation.
•
QUIET
(Orange) ......... Lights up in Quiet Mode
Operation.
•
TIMER
(Orange) ......... Lights up in Timer Setting.
•
POWERFUL
(Orange) ... Lights up in Powerful
Mode Operation.
•
(Green) ............ Lights up in Ionizer
Mode Operation.
Operation Mode
• Heating, Cooling, Soft Dry and Automatic
Mode.
Powerful Operation
• Reaches the desired room temperature quickly.
Time Delay Safety Control
• Restarting is inhibited for appro. 3 minutes.
Quiet Operation
• To provide quiet operation.
7 Minutes Time Save Control
• Cooling Operation only.
Anti-Dew Formation Control
• Anti-Dew Formation Control for indoor unit
discharge area.
Random Auto Restart Control
• Operation is restarted randomly after
power failure at previous setting mode.
Anti-Freezing Control
• Anti-Freezing control for indoor heat
exchanger. (Cooling and Soft Dry)
Hot-Start Control
• At Heating Operation the indoor fan will
operate at SLo speed when indoor heat
exchanger temperature reaches 30
exchanger temperature reaches 30
°C.
Anti Cold Draft Control
• The indoor fan operates at Lo
–
(30 sec.)
after that SSLo when the indoor heat
exchanger temperature is low.
(During Heating mode thermal off)
exchanger temperature is low.
(During Heating mode thermal off)
4
CS-A18CKE CU-A18CKE / CS-A24CKE CU-A24CKE