Read Panasonic CS-MA70KE / CS-MA90KE / CS-MA120KE / CU-MA180KE / CU-MA190KE / CU-MA240KE Service Manual online
Service Manual
Multi-Split Air Conditioners
Contents
●
Features .......................................................... 1
●
Functions ................................................... 2 – 4
●
Product Specifications ............................. 5 – 10
●
Dimensions ............................................ 11 – 12
●
Refrigeration Cycle Diagram ......................... 13
●
Block Diagram ............................................... 14
●
Wiring Diagram ...................................... 15 – 16
●
Operation Details ................................... 17 – 27
●
Installation Information .......................... 28 – 29
●
2-way, 3-way Valves .............................. 30 – 36
●
Servicing Information ............................. 37 – 40
●
Troubleshooting Guide .......................... 41 – 42
●
Technical Data ....................................... 43 – 46
●
Exploded View ............................. 47, 49, 51, 53
●
Replacement Parts List ............... 48, 50, 52, 54
●
Electronic Parts List ....................................... 55
ORDER NO. MAC9611042C2
CS-MA90KE / CU-MA180KE
CS-MA120KE / CU-MA240KE
CS-MA70KE / CU-MA190KE
CS-MA120KE
CS-MA120KE / CU-MA240KE
CS-MA70KE / CU-MA190KE
CS-MA120KE
1996 Matsushita Industrial Corp. Sdn. Bhd.
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CS-A90KE
CS-MA90KE
MAC9509078C2
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigeration circuit.
• High Efficiency
• Compact Design
• Comfort Improvement
– Wider range of horizontal discharge air
– Longer hours of sleep mode operation
– Longer hours of sleep mode operation
• Auto Restart
– Auto restart operation after power failure
• Removable and Washable
Front Panel
• Installation Work Improvement
– Long piping up to 15 m
• Quality Improvement
– Low voltage protection
– Gas leakage protection
– Prevent compressor reverse cycle
– 2-stage OLP to protect compressor
– Gas leakage protection
– Prevent compressor reverse cycle
– 2-stage OLP to protect compressor
(CS-MA90KE / CS-MA120KE)
• Service Improvement
– Easy fan motor replacement procedure
Features
!
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain
warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity
should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with
in this service information by anyone else could result in serious injury or death.
warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity
should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with
in this service information by anyone else could result in serious injury or death.
!
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MAC9509078C2
CS-MA90KE
Remote Control
Functions
Operation OFF / ON
OFF / ON
L
Room Temperature Setting
TEMP.
• Temperature Setting (16˚C to 30˚C)
• Automatic Operation
• Automatic Operation
m
/
n
2˚C lower than standard
n
Standard
n
-
o
2˚C higher than standard
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.
Sleep Mode Operation OFF / ON
SLEEP
Indoor Fan Speed Selection
FAN SPEED
•
h j k
Low Speed
l
•
h j k
Medium Speed
lll
•
h j k
High Speed
lllll
•
AUTOFAN
Automatic Fan Speed
•
SWING
Automatic Airflow Direction
Control
Control
•
MANUAL
Airflow Direction Manual Control
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
(
q
)
SWING /
MANUAL
MANUAL
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CS-A90KE
CS-MA90KE
MAC9509078C2
Indoor Unit
Functions
Power Switch OFF / ON
POWER
L
Auto Operation Switch
• Used when the remote control cannot be
used.
Remote Control Signal Receiving
Sound Control
Sound Control
• It can be controlled by pressing Auto
Operation Switch for 10 seconds.
AUTO
OFF / ON
Operation Test Running / Pump
Down Switch
Down Switch
TEST RUN
OFF / ON
Operation Indication Lamps (LED)
•
POWER
(Red)......
Lights up in operation,
blinks in Automatic
Operation Mode judging
and Hot Start operation
blinks in Automatic
Operation Mode judging
and Hot Start operation
•
SLEEP
(Orange).....
Lights up in Sleep
Mode Operation
Mode Operation
•
TIMER
(Orange).....
Lights up in Timer
Setting
Setting
• Used when test running or servicing.
Operation Mode
• Heating, Cooling, Soft Dry and Automatic
Mode.
Time Delay Safety Control
• Restarting is inhibited for appro. 3 or 4
minutes.
7 Minutes Time Save Control
• Cooling Operation only.
Auto Restart Control
• Operation is restarted after power failure
at previous setting mode.
Anti-Freezing Control
• Anti-Freezing control for indoor heat
exchanger. (Cooling and Soft Dry)
Sleep Mode Auto Control
• The operation starts at SLo speed and
stops after 8 hours.
Indoor Fan Speed Control
• High, Medium and Low.
• Automatic Fan Speed Mode
• Automatic Fan Speed Mode
– Heating : Fan speed varies from Me
→
SLo in accordance with
indoor heat exchanger.
– Cooling : Fan rotates at Hi and Me
speed. Deodorizing control is
available.
available.
– Soft Dry : Fan rotates at SLo speed.
Deodorizing control is
available.
available.
Airflow Direction Control
• Automatic air swing and manual adjusted
by remote control for vertical airflow.
• Manually adjusted by hand for horizontal
airflow.
Hot-Start Control
• The indoor fan stops until the indoor heat
exchanger temperature over 30°C.
• The indoor fan operates at SLo and Lo
–
when indoor heat exchanger temperature
reaches 30°C ~ 41°C.
reaches 30°C ~ 41°C.
• Hot Start is completed when indoor heat
exchanger reaches 41°C.
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