Panasonic CS-MC90KE User manual

ServiceManual
Multi-Split Air Conditioner
Contents
●Features ..........................................................1
●Functions ...................................................2 – 4
●Product Specifications .............................5 – 10
●Dimensions............................................11 – 12
●Refrigeration Cycle Diagram .........................13
●Block Diagram .......................................14 – 16
●Wiring Diagram......................................17 – 19
●Operation Details...................................20 – 26
●Installation Information ..........................27 – 28
●3-way Valve ...........................................29 – 35
●Servicing Information.............................36 – 39
●Troubleshooting Guide ..........................40 – 41
●Technical Data.......................................42 – 44
●Exploded View.............................45, 47, 49, 51
●Replacement Parts List ...............46, 48, 50, 52
●Electronic Parts List...............................53 – 54
CS-MC90KE / CU-MC140KE
CS-MC90KE / CU-MC180KE
CS-MC90KE / CU-3MC200KE
ORDER NO. MAC9702008C2
 1997 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T)
All rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
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– 55 –
MAC9702008C2
CS-MC90KE
Printed in Malaysia
P970602400YW
MAICO
Electronic Parts List
<Model: CU-3MC200KE>
CWA741165 • ELECTRONIC CONTROLLER
DESCRIPTION & NAME
ZNR
ZENER DIODE
DIODE
ZENER DIODE
PHOTO ISOLATOR
DIODE
PHOTO ISOLATOR
DIODE
DIODE
DIODE
DIODE
DIODE
DIODE
DIODE
DIODE
DIODE
DIODE
ZNR
ZNR
FUSE
IC
IC
IC
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
RELAY
RELAY
RELAY
SWITCH
PART NO.
ERZC10DK471U
RD24EB - T1
1S1553 - TP3
RD12EB - T1
TLP521 - 1GB
D1N60 - 4070
TLP521 - 1GB
D1N60 - 4070
1SS133T - 77
1SS133T - 77
1S1553 - TP3
1S1553 - TP3
1S1553 - TP3
D1N60 - 4070
D1N60 - 4070
D1N60 - 4070
D1N60 - 4070
ERZC10DK471U
ERZC10DK471U
250VSC3A
TC4093BP
TC4069UBP
TA7555P
2SC1173 - 0
UN4215 - S - TA
UN4215 - S - TA
UN4215 - S - TA
G4FN - 24VDC or G4F - 24VDC
G4U - 24VDC or G4U - 1 - 24VDC
G4U - 24VDC or G4U - 1 - 24VDC
SSA042
SYMBOL
D1
D3
D4
D5
D8
D9
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D50
D51
FUSE
IC1
IC2
IC3
Q1
Q2
Q3
Q4
RY - C
RY - VA
RY - VB
SW1
(Note) ●All parts are supplied from ADC / JAPAN.
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– 1 –
MAC9702008C2
CS-MC90KE
WARNING
Thisserviceinformation isdesigned forexperienced repair techniciansonly andis notdesigned foruse bythe generalpublic. Itdoes notcontain
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 Improve-
ment
– Long piping up to 15 m for each unit.
Features
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– 2 –
MAC9702008C2
CS-MC90KE
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 –
MAC9702008C2
CS-MC90KE
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 –
MAC9702008C2
CS-MC90KE
Outdoor Unit
Functions
Compressor Reverse Rotation
Protection Control Restart Control
(3 minutes)
• Once the compressor stops, the compressor
and the outdoor fan motor will not start for 3
minutes.
(Fanmotorisstillrunningifthecompressoris
stopped by overload protector tripping.)
Overload Protector
Starting Current Control
(2 seconds delay)
• When both compressors are started
simultaneously, one compressor will start
immediately whereas another compressor
will start after 2 seconds.
• To protect compressor from reverse rotation
when there is a instantaneous power failure.
• Oncethecompressorisactivated,itdoesnot
stop for 60 secs. (Stops immediately with
remote control stop signal.)
60 secs. Forced Operation Control
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– 5 –
MAC9702008C2
CS-MC90KE
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
Single
240 - 220
50
21.5 - 19.5
CS-MC90KE
(1 unit) 2.82 - 2.78
9,600 - 9,400
(1 unit) 1.6
3.4
SIDE VIEW
7.2 (250)
7.4 (260)
7.5 (260)
–
High 36 - 35, Low 31 - 29
(1 unit) 30 - 25
(2 units) 30 ×2 - 25 ×2
(1 unit) 0.14 - 0.13
(2 units) 0.14 × 2 - 0.13 ×2
(1 unit) 2.5 - 2.5
G ; Half Union 3/8"
L ; Half Union 1/4"
G (gas side) ; 3/8"
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)
22
5
990
1,100
1,180
CU-MC140KE
(2 unit) 1.81 ×2 - 1.79 ×2
6,150 ×2 - 6,100 ×2
(2 unit) 1.05 ×2
2.2 ×2
TOP VIEW
–
–
–
–
47 - 46
(1 unit) 1,120 - 1,075
(2 units) 1,160 - 1,110
(1 unit) 4.96 - 4.97
(2 units) 5.12 - 5.14
(2 units) 3.1 - 3.2
G ; 3-way valve 3/8"
L ; 2-way valve 1/4"
G (gas side) ; 3/8"
L (liquid side) ; 1/4"
–
–
–
–
21-1/4 (540)
29-15/16 (760)
9-7/8 (250)
77 (35)
Rotary (1 cylinder)
rolling piston type
Induction (2-poles)
900
Propeller Fan
AES + Glass Fiber 16%
Induction (6-poles)
37
15
–
–
730
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– 6 –
MAC9702008C2
CS-MC90KE
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-MC90KE
Evaporator
Copper
Aluminium
Slot Fin
2 ×12
17
600 ×252 ×25.4
–
–
–
Electronic Control
–
–
–
–
P.P.
Honeycomb
–
0.6 µF, 400 VAC
CU-MC140KE
Condenser
Copper
Aluminium
Corrugated Fin
1 ×20
19
687 ×508 ×22
Capillary Tube
SUNISO 4GDID or
ATMOS M60 (350)
850 (30.0)
–
Overload Protector
430
16.1
1.6
–
30 µF, 440 VAC
1.0 µF, 430 VAC
• Specifications are subject to change without notice for further improvement.
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– 7 –
MAC9702008C2
CS-MC90KE
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
Single
240 - 220
50
3.2 - 3.3
CS-MC90KE
(1 unit) 2.44 - 2.40
8,300 - 8,100
(1 unit) 1.5
3.2
SIDE VIEW
7.2 (250)
7.4 (260)
7.5 (260)
–
High 36 - 35, Low 31 - 29
(1 unit)
770 - 730
(1 unit)
3.3 - 3.4
(1 unit) 16 - 15
G ; Half Union 3/8"
L ; Half Union 1/4"
G (gas side) ; 3/8"
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)
22
5
990
1,100
1,180
CU-MC180KE
(2 units)2.44 ×2 - 2.40 ×2
8,300 ×2 - 8,100 ×2
(2 units)1.3 × 2
2.75 ×2
TOP VIEW
–
–
–
–
55 - 53
(2 units)
770 ×2 - 730 ×2
(2 units)
3.3 ×2 - 3.4 ×2
(2 units) 16 ×2 - 15 ×2
G ; 3-way valve 3/8"
L ; 2-way valve 1/4"
G (gas side) ; 3/8"
L (liquid side) ; 1/4"
–
–
–
–
25-21/32 (651)
35-3/16 (893)
13-19/32 (345)
132 (60)
Rotary (1 cylinder)
rolling piston type
Induction (2-poles)
650 ×2
Propeller Fan
AES + Glass Fiber 16%
Induction (6-poles)
108
50
–
–
730
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– 8 –
MAC9702008C2
CS-MC90KE
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-MC90KE
Evaporator
Copper
Aluminium
Slot Fin
2 ×12
17
600 ×252 ×25.4
–
–
–
Electronic Control
–
–
–
–
P.P.
Honeycomb
–
0.6 µF, 400 VAC
CU-MC180KE
Condenser
Copper
Aluminium
Corrugated Fin
2 ×24
16
560 ×609.6 ×44
Capillary Tube
SUNISO 4GDID or
ATMOS M60 (270)
650 ×2 (22.9 ×2)
–
Overload Protector
1,170
10.0
1.6
–
25 µF, 370 VAC
3.0 µF, 450 VAC
• Specifications are subject to change without notice for further improvement.
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– 9 –
MAC9702008C2
CS-MC90KE
CU-3MC200KE
TOP VIEW
–
–
–
–
56 - 54
(B unit) 22-21
G ; 3-way valve 3/8"
L ; 2-way valve 1/4"
G (gas side) ; 3/8"
L (liquid side) ; 1/4"
–
–
–
–
25-21/32 (651)
35-3/16 (893)
13-19/32 (345)
141 (64)
Rotary (1 cylinder)
rolling piston type
Induction (2-poles)
650 + 900
Propeller Fan
AES + Glass Fiber 16%
Induction (6-poles)
108
50
–
–
730
Product Specifications
Unit
kW
Btu/h
s/h
Pint/h
Phase
V
Cycle
OUTLET
INTAKE
m
3
/min (cfm)
m
3
/min (cfm)
m
3
/min (cfm)
m
3
/min (cfm)
dB (A)
kW
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
CS-MC90KE
Single Operation
(A, B1, B2)
–
–
SIDE VIEW
7.2 (250)
7.4 (260)
7.5 (260)
–
High 36-35, Low 31-29
0.030-0.025
0.14-0.13
–
(A unit) 16-15
G ; Half Union 3/8"
L ; Half Union 1/4"
G (gas side) ; 3/8"
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)
22
5
990
1,100
1,180
Cooling Capacity Per Unit
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
Indoor Air (Lo)
Indoor Air (Me)
Indoor Air (Hi)
Outdoor Air
Input
Running Current
COP
Starting Current
Inner diameter
Length
Height
Width
Depth
Type
Motor Type
Rated Output
Type
Material
Motor Type
Input
Rated Output
Fan Low
Speed Medium
High
Single Operation Double Operation Triple Operation
(A) (B1 or B2) (B1 + B2) (A +B1 or B2) (A + B1 + B2)
2.40-2.34 2.82-2.78 3.60-3.52 5.22-5.12 6.00-5.86
8,100-7,900 9,600-9,400 12,200-12,000 17,800-17,400 20,400-20,000
1.5 1.6 2.1-2.0 2.9-2.8 3.3-3.2
3.2 3.4 4.4-4.2 6.1-5.9 7.0-6.8
Single
240 - 220
50
0.79-0.75 1.09-1.05 1.15-1.10 1.79-1.70 1.83-1.77
3.36-3.47 4.76-4.77 4.92-5.04 7.62-7.74 7.78-8.01
2.9-3.0 2.5-2.6 3.0-3.1 2.8-2.9 3.1-3.2
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– 10 –
MAC9702008C2
CS-MC90KE
Product Specifications
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
CS-MC90KE
Evaporator
Copper
Aluminium
Slot Fin
2 ×12
17
600 ×252 ×25.4
–
–
–
Electronic Control
–
–
–
–
P.P.
Honeycomb
–
0.6 µF, 400 VAC
CU-3MC200KE
Condenser
Copper
Aluminium
Corrugated Fin
2 ×24
16
756.0 ×609.6 ×44
719.5
Capillary Tube
SUNISO 4GDID or
ATMOS M60
650 (23.0), 950 (33.5)
–
Overload Protector
935, 920, 1,170
20.0, 15.5, 10.0
2.0, 1.8, 1.6
–
25 µF, 440 VAC
3.0 µF, 450 VAC
µF, VAC
µF, VAC
Length
Flow Rate
Inner Diameter
Material
Style
• Specifications are subject to change without notice for further improvement.
(Plate fin configuration, forced draft)
Capillary Tube
Description
Tube material
Fin material
Fin Type
Row / Stage
FPI
Size (W ×H ×L)
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– 11 –
MAC9702008C2
CS-MC90KE
Dimensions
CS-MC90KE
Relative position between the indoor unit and the installation plate <Front View>
(45)(410)
<Back View> Installation plate hooks
Drain ports Gas
side Liquid
side
Remote control transmitter
57
142
16
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
Below
(44) 710 (45)
276 7
(64) (115)
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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– 12 –
MAC9702008C2
CS-MC90KE
Dimensions
CU-MC140KE
CU-3MC200KE
113113 664
893
32 651
44
57
6565656565
334
345
113113 664
893
32 651
44
57
656565
334
345
CU-MC180KE
115115 530
760
90
540
13
556555
286
23
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– 13 –
MAC9702008C2
CS-MC90KE
Refrigeration Cycle Diagram
CS-MC90KE / CU-MC180KE
CS-MC90KE / CU-3MC200KE
1Compressor (1)
2Compressor (2)
3Condensor
4Capillary tube (1)
5Capillary tube (2)
6Capillary tube (3)
7Switching solenoid valve
83 way valve (1/4")
93 way valve (3/8")
!Half union (1/4")
"Half union (3/8")
#Evaporator
CS-MC90KE / CU-MC140KE
1Evaporator
2Capillary tube (2)
33 way valve (1/4")
43 way valve (3/8")
5Half union (1/4")
6Half union (3/8")
7Switching solenoid valve (A)
8Switching solenoid valve (B)
9Capillary tube (1)
!Condensor
"Compressor
#Outdoor unit
$Strainer
%To indoor unit B
INDOOR UNIT (B1)
INDOOR UNIT (B2)
INDOOR UNIT (A) LIQUID SIDE
LIQUID SIDE
LIQUID SIDE
GAS SIDE
GAS SIDE
GAS SIDE
OUTDOOR UNIT
12
12
12
10
11
10
11
10
11
8
9
8
9
8
9
7
7
5
5
12
4
6
3
1Evaporator
2Capillary tube (2)
33 way valve (1/4")
43 way valve (3/8")
5Half union (1/4")
6Half union (3/8")
!Condensor
"Compressor
#Outdoor unit
$Strainer
Indoor Unit A
LIQUID SIDE
GAS SIDE
Indoor Unit B
15
6
14
3
4
27
28
3
4
913
12
10
11
LIQUID SIDE
GAS SIDE
Indoor Unit A
LIQUID SIDE
GAS SIDE
GAS SIDE
LIQUID SIDE
Indoor Unit B
Comp.A
11
13
13
11
10
12
2
2
3
4
3
4
5
6
6
5
1
1
Comp.B
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– 14 –
MAC9702008C2
CS-MC90KE
Block Diagram
CS-MC90KE / CU-MC140KE
22 11
3C
"C"
FUSE 3.15A
RY-C RECEIVER
P.C.B.
SINGLE PHASE
220-240V ~
50Hz
RY-H
TRANS- FORMER
THERMAL
FUSE
(99°C)
(102°C)
FUSE
THERMAL
ZNR1
FAN
MOTOR
POWER SWITCH ELECTRONIC CONTROLLER
Indicates the electronic control unit.
Indicates the number of core wires. (Example:6C=6 core wires).
9740312
RY-M
P.C.B. INDICATOR
4C
5C
STEPPING MOTOR
INDOOR UNIT OUTDOOR UNIT
WIRELESS
REMOTE CONTROL
TRANSMITTER
ZNR2
SSR
MAIN
CS-MC90KE/CU-MC140KE
A-006C.DWG
CR1
INDOOR UNIT A
COMP
22
11
OLP
INDOOR UNIT B
SAME AS
UNIT A
C-COMP
RY-C
FUSE
3.15A
RY-FM
FAN MOTOR
RY-VA2
VA2
CR1
VA1
RY-VA1
CR3 CR2
TRANS- FORMER
ZNR1
L
N
POWER SUPPLY
OUTDOOR
220-240V ~
50Hz
C-FM
Untitled-24 6/25/00, 5:31 PM14

– 15 –
MAC9702008C2
CS-MC90KE
Block Diagram
CS-MC90KE / CU-MC180KE
22 11
3C
"C"
FUSE 3.15A
RY-C RECEIVER
P.C.B.
SINGLE PHASE
220-240V ~
50Hz
RY-H
TRANS- FORMER
THERMAL
FUSE
(99°C)
(102°C)
FUSE
THERMAL
ZNR1
FAN
MOTOR
POWER SWITCH ELECTRONIC CONTROLLER
Indicates the electronic control unit.
Indicates the number of core wires. (Example:6C=6 core wires).
9740312
RY-M
P.C.B. INDICATOR
4C
5C
STEPPING MOTOR
INDOOR UNIT OUTDOOR UNIT
WIRELESS
REMOTE CONTROL
TRANSMITTER
ZNR2
SSR
MAIN
CS-MC90KE/CU-MC140KE
A-006.DWG
CR1
INDOOR UNIT A
COMPRESSOR
A
RELAY
RELAY
FAN MOTOR
22
11
COMPRESSOR
B
OLP OLP
INDOOR UNIT B
SAME AS
UNIT A
C-COMP C-COMP
C-FM
Untitled-24 6/25/00, 5:31 PM15

– 16 –
MAC9702008C2
CS-MC90KE
Block Diagram
CS-MC90KE / CU-3MC200KE
22 11
3C
"C"
FUSE 3.15A
RY-C RECEIVER
P.C.B.
SINGLE PHASE
220-240V ~
50Hz
RY-H
TRANS- FORMER
THERMAL
FUSE
(99°C)
(102°C)
FUSE
THERMAL
ZNR1
FAN
MOTOR
POWER SWITCH ELECTRONIC CONTROLLER
Indicates the electronic control unit.
Indicates the number of core wires. (Example:6C=6 core wires).
9740312
RY-M
P.C.B. INDICATOR
4C
5C
STEPPING MOTOR
INDOOR UNIT OUTDOOR UNIT
WIRELESS
REMOTE CONTROL
TRANSMITTER
ZNR2
SSR
MAIN
CS-MC90KE/CU-MC140KE
A-006B.DWG
CR1
INDOOR UNIT A1
COMP-A
22 11
OLP-A
INDOOR UNIT B
SAME AS
UNIT A1 UNIT A1
SAME AS
INDOOR UNIT A2
11
22
C-COMP-A
RY-CA RY-CB
OLP-B
COMP-B
C-COMP-B
FUSE
3.15A
RY-FM
FAN MOTOR
RY-VA2
VA2
CR1
VA1
RY-VA1
CR3 CR2
TRANS- FORMER
ZNR1
L
N
POWER SUPPLY
OUTDOOR
220-240V ~
50Hz
C-FM
Untitled-24 6/25/00, 5:31 PM16

– 17 –
MAC9702008C2
CS-MC90KE
Wiring Diagram
CS-MC90KE / CU-MC140KE REMARKS:
B : BLUE
BR : BROWN
BL : BLACK
W : WHITE
R : RED
O : ORANGE
P : PINK
Y/G : YELLOW/
GREEN
GRY : GRAY
CONNECTION
YELLOW - BLUE
YELLOW - BROWN
BROWN - ORANGE
ORANGE - RED
CWA92232 (Ω)
495.2
74.5
77.7
370.4
Resistance of Indoor Fan Motor Windings
CONNECTION
BLUE - YELLOW
YELLOW - RED
CWA95354 (Ω)
446.1
474.6
Resistance of Outdoor Fan Motor Windings
Resistance of Compressor Windings
2PS192D2AA02 (Ω)
3.19
5.30
CONNECTION
C-R
C-S
12
TERMINAL
INDOOR UNIT A
CN-RCV(W)
CN-DISP(W)
MAIN SW
432
1234
MOTOR
CN-STM(G)CN-TH(Y) 123454321
(INTAKE TEMP.)
SENSOR
YELLOW
REDBLUE
COMPRESSOR TERMINAL
TRADE MARK
B
B
B
W W W W
Y/G
B
BR
POWER SUPPLY CORD
DISPLAY LAMP
CN-DISP(W)
CONTROL
REMOTE
WIRELESS CONTROLLER ELECTRONIC
(RECEIVER)
CN-RCV (W)
AUTO SW
PUMP DOWN SW
TRANSFORMER
RY-C
RY-M
RY-H
ZNR
CN-FM(G)
CAPACITOR
SSR
FAN
MOTOR
P
L
FUSE(3.15A)
BR
W
135
Y
BR
O
13
B
R
T(BL) T(BL)
W
BL
Y/G
P
Y
O
R
BR
BA
REMOTE
CONTROL No.
2
13
4 ELECTRONIC CONTROLLER
(G)
CN-C
1
ELECTRONIC
CONTROLLER
BL BL
220-240V, 50Hz
LOUVER
3
2
1
7
BL
321
(TEST RUN)
ZNR
OLP (W)
SENSOR
(PIPE TEMP.)
R
R
THERMAL
FUSE
(99°C)
(102°C)
FUSE
THERMAL
RR
W
W
13
CR1
CN-T(W)
CN-FUSE(B)
12 21 NL
R
B
13
B
R
OUTDOOR UNIT
TERMINAL
TO INDOOR
UNIT B TO POWER SOURCE 240~220V , 50Hz
Y/G Y/G
B
AC(B)
RY-CA
PL
FUSE
3.15A
250V
ZNR1
B B
R R
A2 A2
AC(B) AC(B)
RY-FM
RY-VA1 RY-VA2
CR1 CR2 CR3
SW1
AUTO MANUAL
FM(B) FM(Y) (G) T(BL)
CN-V T(BL)
1357
B
CAPACITOR
1µF
430V
Y
FAN MOTOR
A
V-COIL COMPLETE
B
BL
BL
R
R
CN-T
TRANSFORMER
OLP
Y
B
COMPRESSOR
A1 A1
AC(R) AC(R)
Y/G
Y/G
B
W
Y
440V
30µF
CAPACITOR
9740312
CS-MC90KE/CU-MC140KE
A-007.DWG
Untitled-24 6/25/00, 5:31 PM17

– 18 –
MAC9702008C2
CS-MC90KE
Wiring Diagram
CS-MC90KE / CU-MC180KE
12
TERMINAL
INDOOR UNIT A
CN-RCV(W)
CN-DISP(W)
MAIN SW
432
1234
MOTOR
CN-STM(G)CN-TH(Y) 123454321
(INTAKE TEMP.)
SENSOR
B
B
B
W W W W
Y/G
B
BR
POWER SUPPLY CORD
DISPLAY LAMP
CN-DISP(W)
CONTROL
REMOTE
WIRELESS CONTROLLER ELECTRONIC
(RECEIVER)
CN-RCV (W)
AUTO SW
PUMP DOWN SW
TRANSFORMER
RY-C
RY-M
RY-H
ZNR
CN-FM(G)
CAPACITOR
SSR
FAN
MOTOR
P
L
FUSE(3.15A)
BR
W
135
Y
BR
O
13
B
R
T(BL) T(BL)
W
BL
Y/G
P
Y
O
R
BR
BA
REMOTE
CONTROL No.
2
13
4 ELECTRONIC CONTROLLER
(G)
CN-C
1
ELECTRONIC
CONTROLLER
BL BL
220-240V, 50Hz
LOUVER
3
2
1
7
BL
321
(TEST RUN)
ZNR
OLP (W)
SENSOR
(PIPE TEMP.)
R
R
THERMAL
FUSE
(99°C)
(102°C)
FUSE
THERMAL
RR
W
W
13
CR1
CN-T(W)
CN-FUSE(B)
21
YELLOW
REDBLUE
COMPRESSOR TERMINAL
TRADE MARK
COMPRESSOR B
BR
CAPACITOR
Y
3
1
OLP
FAN MOTOR R
B
12
Y/G
Y
OLP
1
3
Y
CAPACITOR
RB
COMPRESSOR A
16
RELAY
B1412
11 13 15 A A151311
RELAY
12 14 16 B
BR BL
Y
B
B
BL RESISTOR
RESISTOR
BL
W
ORG
GRY
CAPACITOR Y
BL
BR
Y
W
BL
B
BY/GY/G
Y
TO INDOOR UNIT B
9740312
CS-MC90KE/CU-MC140KE
A-007A.DWG
370V 25µF
370V
25µF
FUSE
3.15A
250V
450V 3µF
REMARKS:
B : BLUE
BR : BROWN
BL : BLACK
W : WHITE
R : RED
O : ORANGE
P : PINK
Y/G : YELLOW/
GREEN
GRY : GRAY
Resistance of Compressor Windings
2PS134D2AA01 (Ω)
4.20
4.95
CONNECTION
C-R
C-S
CONNECTION
YELLOW - BLUE
YELLOW - BROWN
BROWN - ORANGE
ORANGE - RED
CWA92232 (Ω)
495.2
74.5
77.7
370.4
Resistance of Indoor Fan Motor Windings
CONNECTION
BLUE - YELLOW
YELLOW - RED
CWA95269 (Ω)
71.1
96.9
Resistance of Outdoor Fan Motor Windings
Untitled-24 6/25/00, 5:31 PM18