Panasonic CS-MC120KE User manual

ServiceManual
Multi-Split Air Conditioner
Contents
●Features ..........................................................1
●Functions ...................................................2 – 4
●Product Specification.................................5 – 6
●Dimensions................................................7 – 8
●Refrigeration Cycle Diagram ...........................9
●Block Diagram ...............................................10
●Wiring Diagram..............................................11
●Operation Details...................................12 – 18
●Installation Information ..........................19 – 20
●2-way, 3-way Valves..............................21 – 27
●Servicing Information.............................28 – 31
●Troubleshooting Guide ..........................32 – 33
●Technical Data...............................................34
●Exploded View.........................................35, 37
●Replacement Part List .............................36, 38
●Electronic Parts List.......................................39
CS-MC120KE / CU-MC240KE
ORDER NO. MAC9611041C2
 1996 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T)
All rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
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– 1 –
MAC9611041C2
CS-MC120KE
WARNING
Thisserviceinformationisdesignedfor experienced repairtechnicians onlyand isnot designedfor useby thegeneral public.Itdoesnotcontain
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.
!
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
• 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
• Service Improvement
– Easy fan motor replacement procedure
Features
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– 2 –
MAC9611041C2
CS-MC120KE
Remote Control
Functions
Operation OFF / ON
OFF / ON IRoom Temperature Setting TEMP.
• Temperature Setting (16˚C to 30˚C)
• 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
•COOL Cooling Operation Mode
•DRY Soft Dry Operation Mode
•FAN Air Circulation 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
•MANUAL Airflow Direction Manual Control
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
(q)
AIR SWING
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– 3 –
MAC9611041C2
CS-MC120KE
Indoor Unit
Functions
Power Switch OFF / ON
POWER I
Auto Operation Switch
• Used when the remote control cannot be
used.
Remote Control Signal Receiving
Sound Control
• It can be controlled by pressing Auto
Operation Switch for 10 seconds.
AUTO
OFF / ON
Operation Test Running / Pump
Down Switch
TEST RUN
OFF / ON
Operation Indication Lamps (LED)
•POWER (Red)...... Lights up in operation,
blinks in Automatic
Operation Mode judging
•SLEEP (Orange)..... Lights up in Sleep
Mode Operation
•TIMER (Orange)..... Lights up in Timer
Setting
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)
• Used when test running or servicing.
Sleep Mode Auto Control
• Indoor Fan operates and stops at 4-second
intervals at low speed.
• Operation stops after 8 hours.
Indoor Fan Speed Control
• High, Medium and Low.
• Automatic Fan Speed Mode
– Cooling : Fan rotates at Hi and Me
speed. Deodorizing control is
available.
– Soft Dry : Fan rotates at SLo and Lo
speed. Deodorizing control is
available.
Airflow Direction Control
• Automatic air swing and manual adjusted
by remote control for vertical airflow.
• Manually adjusted by hand for horizontal
airflow.
Operation Mode
• Cooling, Soft Dry, Air Circulation and
Automatic Mode.
Time Delay Safety Control
• Restarting is inhibited for appro. 3 minutes.
7 Minutes Time Save Control
• Cooling Operation only.
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– 4 –
MAC9611041C2
CS-MC120KE
Compressor Reverse Rotation
Protection Control
Outdoor Unit
Functions
• To protect compressor from reverse
rotation when there is a instantaneous
power failure.
Overload Protector
• 2-Stage OLP to protect the compressor.
Overload Protector will trip when
– Temperature of compressor increases to
120°C.
– High temperature or high current flows to
compressor.
(Refer circuit diagram for OLP
characteristic)
60 Secs. Forced Operation Control
• Once the compressor is activated, it does
not stop for 60 secs. (Stops immediately
with remote control stop signal.)
Outdoor Fan Operation Control
• Inner protector.
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– 5 –
MAC9611041C2
CS-MC120KE
Product Specifications
Inner diameter
Length
Input
Running Current
COP
Starting Current
Cooling Capacity
Moisture Removal
Power Source
Airflow Method
Air Volume
Noise Level
Electrical
Data
Piping Connection Port
(Flare piping)
Pipe Size
(Flare piping)
Drain
Hose
Power Cord Length
Number of core-wire
Dimensions
Net Weight
Compressor
Air Circulation
Height
Width
Depth
Type
Motor Type
Rated Output
Type
Material
Motor Type
Input
Rated Output
Fan Low
Speed Medium
High
Unit
kW
Btu/h
s/h
Pint/h
Phase
V
Cycle
OUTLET
INTAKE
m3/min (cfm)
m3/min (cfm)
m3/min (cfm)
m3/min (cfm)
dB (A)
W
A
W/W
A
inch
inch
inch
inch
mm
m
m
inch (mm)
inch (mm)
inch (mm)
lb (kg)
W
W
W
rpm
rpm
rpm
Indoor Air (Lo)
Indoor Air (Me)
Indoor Air (Hi)
Outdoor Air
CU-MC240KE
TOP VIEW
–
–
–
22.0 (780)
(1 Unit) (2 Unit)
High 49 - 48, High 52 - 51
G ; 3-way valve 1/2"
L ; 2-way valve 1/4"
G (gas side) ; 1/2"
L (liquid side) ; 1/4"
–
–
–
–
41-5/32 (1045)
30-23/32 (780)
9-21/32 (245)
179 (81)
Rotary (1 cylinder)
rolling piston type
Induction (2-poles)
1,100 ×2
Propeller Fan
AES + Glass Fiber 16%
Induction (6-poles)
60.7 ×2
20 ×2
–
–
730
CS-MC120KE
SIDE VIEW
7.3 (260)
7.6 (270)
8.3 (290)
–
High 39 - 39, Low 36 - 35
G ; Half Union 1/2"
L ; Half Union 1/4"
G (gas side) ; 1/2"
L (liquid side) ; 1/4"
12
0.7
2.1
3 (1.0 mm2)
11-7/16 (290)
31-15/32 (799)
6-29/32 (175)
18 (8.0)
–
–
–
Cross-flow Fan
AS + Glass Fiber 30%
Induction (4-poles)
27
10
1,200
1,250
1,360
3.50 ×2 - 3.45 ×2
11,900 ×2 - 11,800 ×2
2.0 ×2
4.2 ×2
Single
240 - 220
50
1,260 ×2 - 1,210 ×2
5.7 ×2 - 5.7 ×2
2.7 - 2.8
25 ×2
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– 6 –
MAC9611041C2
CS-MC120KE
Product Specifications
Description
Tube material
Fin material
Fin Type
Row / Stage
FPI
Size (W ×H ×L)
µF, VAC
µF, VAC
Length
Flow Rate
Inner Diameter
Material
Style
Heat
Exchanger
Refrigerant Control Device
Refrigeration Oil
Refrigerant (R-22)
Thermostat
Protection Device
Capillary Tube
Air Filter
Capacity Control
Compressor Capacitor
Fan Motor Capacitor
Unit
mm
(c.c)
g (oz)
mm
s/min
mm
(Plate fin configuration, forced draft)
Capillary Tube
CS-MC120KE
Evaporator
Copper
Aluminium
Slot Fin
2 ×12
21
600 ×252 ×25.4
–
–
–
Electronic Control
–
–
–
–
P.P.
Honeycomb
–
1.0 µF, 450 VAC
CU-MC240KE
Condenser
Copper
Aluminium
Corrugated Fin
1 ×19
21
776.2 ×482.6 ×22
Capillary Tube
SUNISO 4GDID or
ATMOS M60 (430 ×2)
670 ×2 (23.7 ×2)
–
2-Stage Overload Protector
560
16.7
1.7
–
30 µF, 370 VAC
(Upper unit)1.0 µF, 400 VAC
(Lower unit)1.2 µF, 400 VAC
• Specifications are subject to change without notice for further improvement.
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– 7 –
MAC9611041C2
CS-MC120KE
Dimensions
CS-MC120KE
Relative position between the indoor unit and the installation plate <Front View>
790
48.5
60
290
<Front View>
175
61
34.5
52
direction
Air intake
Air outlet
direction
Left piping hole Right piping hole
290
115
55 60
2100
57
142
16
Remote control transmitter
(45)(410)
<Back View> Installation plate hooks
Drain ports Gas
side Liquid
side
(40) 710 (40)
276 7
(60) (110)
100 100
Slot (2 places)
Slot (2 places)
Centre notch
Indoor unit external
dimensions line
Installation plate
Left piping hole
Arrow
Arrow Centre Right piping hole
Installation plate positioning gauge
350
7
457
13.5
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– 8 –
MAC9611041C2
CS-MC120KE
Dimensions
CU-MC240KE
67104
105105 570 280
312
112
67466 1045
780 57 245
Gas side
3-way valve
Liquid side
2-way valve
Unit A
Unit B
2-way valve
Liquid side
3-way valve
Gas side
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– 9 –
MAC9611041C2
CS-MC120KE
Refrigeration Cycle Diagram
CS-MC120KE / CU-MC240KE
COMPRESSOR
SENSOR
TEMP.
AIR HEAT
EXCHANGER
TEMP.
INDOOR OUTDOOR
HEAT EXCHANGER
(EVAPORATOR)
HEAT EXCHANGER
(CONDENSER)
2-WAY
VALVE
VALVE
3-WAY
CAPILLARY TUBE
SENSOR
INTAKE
INTAKE
SENSOR
CAPILLARY TUBE
3-WAY
VALVE
VALVE
2-WAY
(CONDENSER)
HEAT EXCHANGER
(EVAPORATOR)
HEAT EXCHANGER
TEMP.
EXCHANGER
HEAT
AIR
TEMP.
SENSOR
COMPRESSOR
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