Panasonic CU-PW9DKE User manual

CS/CU-PW9DKE
CS/CU-PW12DKE
Air Conditioner
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-techical 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.
1 Features 2
2 Functions 3
3 Product Specifications 6
4 Dimensions 11
5 Refrigeration Cycle Diagram 12
6 Block Diagram 13
7 Wiring Diagram 14
8 Operation Details 15
9Installation instructions 29
10 Installation and Serving Air Conditioner Using R410A -----
11 Disassembly of The Parts
12 Troubleshooting Guide
13 Technical Data
14 Exploded View
15 Replacement Parts List
16 Exploded View
17 Replacement Parts List
18 Electronic Circuit Diagram
CONTENTS
Page Page
Order No.
Guangzhou Matsushita Air Conditioner Co., Ltd.
(GMAC) All rights reserved. Unauthorized copying
and distribution is violation of law.
C
R
39
50
53
55
58
59
60
61
62
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R
GMAC0504042C3

2
1 Features
High Efficiency
Air Quality Indicator
Comfort Environment
Air filter with function to reduce dust and smoke
Auto Restart Control
Automatically restart after power failure
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Enviromental Friendly (For Refrigerant : R410A Model)
12-hour Timer Setting
Zero ozone depleting potential and low global
warming potential by using R410A refrigerant.

Operation START/STOP
Operation Mode Selection
Automatic Operation
Heating Mode Operation
Cooling Mode Operation
Soft Dry Mode Operation
Mode
Indoor Fan Speed Selection
Low Speed
Medium Speed
High Speed
Automatic Speed
Airflow Direction Control
Horizontal Airflow Direction Control
-Auto Control
-Manual Control
Vertical Airflow Direction Manual Control
Room Temperature Setting
Temperature Setting(16 to 30 )
Auto Operation
Timer Operation Selection
Stop/Start Operation Control
(set the ON/OFF Timer hourly later)
Set /Cancel Timer Operation
Set timer/Cancel the set timer
2 Functions
Remote Control
3
OFF/ON
MODE
FAN
SPEED
AIR
SWING
TEMP
TIMER
OFF/ON
TIMER
SET/
CANCEL
Turn on/off the air conditionor
When stop the operation by pressing
OFF/ON button,the cursor key points
to OFF.
By pressing SET button for 5seconds
continuously to switch to set the sensor
sensitivity.
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

Indoor Unit
Demonstration Mode
When the remote control cannot be used or
for repairing and testing ,please use this
button.
Power Switch ON/OFF
Signal Receiving Sound Control
Keep pressing this button for 10seconds to turn
on or turn off the signal receiving sound.
Operation Indication Lamps
Power (green)
Timer(orange)
Lights up in operation;
Blinks during Test
Run operation and
determining Auto
Operation mode
Timer in operation
Operation Mode
Cooling/Heating/Soft Dry /Auto Operation
Time Delay Safety Control
The unit will restart operation in 3-4
minutes after each pause.
7-Minutes Time Save Control
7-minutes automatic restarting at Cooling
Operation
4
Keep pressing this button for 15seconds to start
or end the Demonstration Mode.
Auto Switch
Button
Air quality
Green
Orange
Red
Anti-freezing Control for the Evaporator
Cooling or Soft Dry Operation
Warm Booting Control
Indoor fan starts running when temperature
of evaporator reaches 30 or above.
When temperature of evaporator is between
30 and 34 ,indoor fan will run at Super Low
or Low speed.
When temperature of evaporator reaches 34 ,
Warm Booting Operation ends.
High,Med,Low
Auto Fan Speed
Indoor Fan Speed Control
Automatic Airflow Direction Control
The louver automatically swings up and down
Airflow Direction Manual Control
Airflow Direction Control
Delayed On-timer Control
For cooling or soft dry mode, the unit
starts 15 minutes before the set time with
the remote control, but for heating mode
30 minutes before the set time.
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

Outdoor Unit
5
Panasonic
Anti-reverse Protection
To protect the compressor from reverse
rotation when power off suddenly.
Overload Protector
The 2-step Overload Protector is to protect
the compressor when
1)Temperature of compressor reaches
(PW9DKE) or
2)High temperature or current enters into the
compressor
135
146 (PW12DKE)
60-seconds Test Operation Control
Once the compressor is activated, it does not
stop for 60 seconds. It stops immediately with
remote control ON/OFF button.
Anti-freezing operation for outdoor unit
(during Heating Mode Operation only)
Temperature of the condenser is tested
by TRS.
Deicing Control
4-way Valve Control
If the unit is stopped during Heating
Operation,the 4-way valve will remain in
heating mode operation for 5 minutes.
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Overload Protection Control
When the temperature of evaporator
reaches 51 ,outdoor fan stops,and will
restart when the temperature of evaporator
declines to 49 .
When the temperature of evaporator
reaches 65 ,compressor will stop.

6
3 Product Specifications
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Cooling Capacity
Heating Capacity
Moisture Removal
Power Source
Airflow Method
Air Circulation Indoor Air (low)
Indoor Air (medium)
Indoor Air (high)
Outdoor Air
Noise Level
Electrical
Data
Piping Connection Port(Flare piping)
Piping Size(Flare piping)
Drain Hose
Power Supply Cord Length
(Number of core-wire)
Dimensions
Net Weight
Compressor
Air Circulation
Unit
kW
kW
L/h
Phase
V
Cycle
OUTLET
INTAKE
m /min
3
m /min
3
m /min
3
m /min
3
dB(A)
W
A
W/W
A
Input
Running Current
EER/COP
Starting Current
Inner Diameter
Length
Height
Width
Depth
Type
Motor Type
Rated output
type
Motor type
Fan
Speed
Low
Med
High
Rated Output
Input
Inch
Inch
Inch
Inch
mm
m
mm
mm
mm
kg
W
W
W
rpm
rpm
rpm
CS-PW9DKE CU-PW9DKE
2.65
2.85
-
Single
230
50
SIDE VIEW TOP VIEW
7.0
8.0
9.6
-
-
-
-
Cooling:high48
Heating:high49
Cooling:high38,Low30
Heating:high38,Low29
Cooling:825
Heating:750
Cooling:3.90
Heating:3.70
Cooling:3.21
Heating:3.80
16.5
G:half union3/8"
L:half union1/4"
G:gas side3/8"
L:liquid side1/4"
G:3-way valve3/8"
L:2-way valve1/4"
G:gas side3/8"
L:liquid side1/4"
-
-
-
-
-
-
-
m3 core-wire/1.0mm2
280
799
183
8
540
780
289
25
-
-
-
Cross-flow fan
Induction(4 pole)
-
18
Rotary(1 cylinder)
Rolling piston type
Induction(2 pole)
700
Propeller fan
Induction(6 pole)
-
20
-
920 60
1050 60
1260 60
-
760 50
-
14
0.6
1.3

Specifications are subject to change without notice for further improvement.
7
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Heat
Exchanger
Description
Tube Material
Fin Type
FPI
Refrigerant Control Device
Refrigeration Oil
Refrigerant (R410A)
Thermostat
Protection Device
Capillary
Air Filter
Refrigerant Circulation Control Device
Compressor Capacitor
Fan Motor Capacitor
Unit CS-PW9DKE CU-PW9DKE
Length
Circulation
Inner Diameter
mm
(c.c)
g
mm
L/min
mm
F,V
F,V
Evaporator
Copper
Slot type
(Plate fin configuration,forced draft)
2x15 1X24
Condenser
Copper
Corrugation type
21
610x252x25.4
-
-
-
-
-
-
-
Electronic Control
P.P. Honeycomb
-
19
Capillary Tube
800
-
O.L.P.(230V,24A)
609 10
10.0 0.2
1.4
F,1.8 440VF , 400V
Dimensions
Rows/Stage
Capillary
F,30 370V
1.5
R868A or Freol Alpha68M
( 320 cm )
3
732.1X504x18.19
720 20
7.5 0.2
1.3

8
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Cooling Capacity
Heating Capacity
Moisture Removal
Power Source
Airflow Method
Air Circulation Indoor Air (low)
Indoor Air (medium)
Indoor Air (high)
Outdoor Air
Noise Level
Electrical
Data
Piping Connection Port(Flare piping)
Piping Size(Flare piping)
Drain Hose
Power Supply Cord Length
(Number of core-wire)
Dimensions
Net Weight
Compressor
Air Circulation
Unit
kW
kW
L/h
Phase
V
Cycle
OUTLET
INTAKE
m /min
3
m /min
3
m /min
3
m /min
3
dB(A)
W
A
W/W
A
Input
Running Current
EER/COP
Starting Current
Inner Diameter
Length
Height
Width
Depth
Type
Motor Type
Rated output
type
Motor type
Fan
Speed
Low
Med
High
Rated Output
Input
Inch
Inch
Inch
Inch
mm
m
mm
mm
mm
kg
W
W
W
rpm
rpm
rpm
CS-PW12DKE CU-PW12DKE
3.40
3.80
-
Single
230
50
SIDE VIEW TOP VIEW
7.2
8.1
9.3
-
-
-
-
Cooling:high49
Heating:high50
Cooling:high39,Low32
Heating:high39,Low31
Cooling:1060
Heating:1000
Cooling:5.30
Heating:4.70
Cooling:3.21
Heating:3.80
16
G:half union3/8"
L:half union1/4"
G:gas side3/8"
L:liquid side1/4"
G:3-way valve3/8"
L:2-way valve1/4"
G:gas side3/8"
L:liquid side1/4"
-
-
-
-
-
-
-
m3 core-wire/1.0mm2
280
799
183
8.5
540
780
289
32
-
-
-
Cross-flow fan
Induction(4 pole)
-
18
Rotary(1 cylinder)
Rolling piston type
Induction(2 pole)
900
Propeller fan
Induction(6 pole)
-
20
-
980 60
1090 60
1260 60
-
760 50
-
14
0.6
1.3

9
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Specifications are subject to change without notice for further improvement.
* 60g for air purging is not included.
Heat
Exchanger
Description
Tube Material
Fin Type
FPI
Refrigerant Control Device
Refrigeration Oil
Refrigerant (R410A)
Thermostat
Protection Device
Capillary
Air Filter
Refrigerant Circulation Control Device
Compressor Capacitor
Fan Motor Capacitor
Unit CS-PW12DKE CU-PW12DKE
Length
Circulation
Inner Diameter
mm
(c.c)
g
mm
L/min
mm
F,V
F,V
Evaporator
Copper
Slot type
(Plate fin configuration,forced draft)
2x15 2X24
Condenser
Copper
Corrugation type
21
610x252x25.4
-
-
-
-
-
-
-
Electronic Control
P.P. Honeycomb
-
19
Capillary Tube
1070
-
O.L.P.(230V,20A)
720 10
10.0 0.2
1.4
F,1.8 440V F , 400V
Dimensions
Rows/Stage
Capillary
F,25 370V
1.5
X504x36.38
725.1
696
609 20
10.8 0.2
1.4
R868A or Freol Alpha68M
( 320 cm )
3

4 Dimensions
10
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
Indoor Unit
BA
254
(631)
(382) (118)
(131)
95
(420) (50)
Front View
<Back View> Installation Plate Hook
Gas Side
Liquid
Side
Drain Port
Air intake
280
Side view
183
Air outlet
Left Piping
Hole
Right Piping
Hole
(100)
141




57
Unit:mm
Installation plate (Front View)
CS-PW9DKE
CS-PW12DKE

Outdoor Unit
CU-PW9DKE
Unit : mm
CU-PW12DKE
11
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
10cm
or more
10cm
or more
100cm
or more
48
18.6
INVERTER
780 57
570
289
<Top View>
105

CS/CU-PW9DKE
CS/CU-PW12DKE
5 Refrigeration Cycle Diagram
INTAKE AIR
SENSOR
PIPING
SENSOR
4-way valve
PIPING
SENSOR
AIR QUALITY
SENSOR
Cooling
Heating
12
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

CS-PW9DKE/CU-PW9DKE
6 Block Diagram
13
CS-PW12DKE/CU-PW12DKE
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
FM
FM
2
CR
3
4
1
RY-HOT
SSR
SSR
FUSE RY-PWR
OUTDOOR UNIT
4-Valve
Compressor
Piping Sensor
INDOOR UNIT
POWER SUPPLY
AC230V 50Hz

CS-PW9DKE/CU-PW9DKE
7 Wiring Diagram
14
CS-PW12DKE/CU-PW12DKE
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE
COMPRESSOR TERMINAL
BR
BL
W
R
B
B
Y/G
INDOOR UNIT
TERMINAL BOARD
FUSE
102 250V 3A
YW
B
B
B
Y
Y
R
Y/G
CAPACITOR
CAPACITOR
R
COMPRESSOR
FAN MOTOR
SENSOR(PIPING TEMP.)
Y/G
FUSE
ELECTRONIC CONTROLLER
1
3
5
B
R
Y
W
BR
BL
SENSOR(PIPING TEMP.)
INDOOR UNIT
POWER SUPPLY
CORD
POWER SUPPLY
CORD
AC 230V, 50Hz
AC 230V, 50Hz
STEPPING
MOTOR
OUTDOOR UNIT
TERMINAL BOARD
1(L) 2(N) 3 4
1(L) 2(N) 3 4
OUTDOOR UNIT
R : RED
BL : BLACK
B : BLUE
BR : BROWN
O : ORANGE
GRY : GREY
G : GREEN
Y : YELLOW
W : WHITE
Y/G : YELLOW/GREEN
P : PINK
YELLOW
RED
S
BLUE
R
C
TRADE MARK
AUTO SWITCH
FAN MOTOR
Indicator
Complete
Wireless
Remote Control
C-R
C-S
INDOOR FAN MOTOR RESISTANCE( )
CONNECTING
Y-B M
Y-R A
CS-PW9DKE
CWA921098
324
290.5
COMPRESSOR RESISTANCE( )
CONNECTING CWB092240
3.309
3.863
CWA951440
Y-B
Y-R
OUTDOOR FAN MOTOR RESISTANCE( )
CONNECTING
275
252
CS-PW12DKE
CWA921098
324
290.5
CWA951440
275
252
CWB092241
2.798
5.432
CS-PW9DKE CS-PW12DKE
CS-PW9DKE CS-PW12DKE

15
8 Operation Details
8.1 .Cooling Mode Operation
When selecting the Cooling Mode Operation, the unit will operate according to the setting by the Remote Controller or
the control panel on the indoor unit and the operation is as the following.
Time Delay Safety Control
3 min.----If the compressor stops, it will not restart within 3 minutes.(Protection of compressor).
7 Minutes Time Save Control
7 min.----The unit will automatically operate in 7 minutes even if the room temperature is not reached.
(Prevention of raising the humidity)
Evaporator
Temperature
() 10
2
Restart
4 minutes
Compressor ceases
Time
Anti-Freezing Control
If temperature of evaporator is lower than 2 continuously
for 4 minutes, the compressor will cease to prevent the
evaporator from freezing. Fan speed setting will not be
changed.
When temperature of evaporator reaches 10 ,compressor
will restart.
During Cooling Mode Operation, the Time Delay Safety
Control is available.
Indoor Fan
STOP
Slow Slow
STOP STOP
Slow Slow
STOP
ON
Compressor ON
1 Fan speed will be at Hi till the compressor ceases (set temperature reached).
2 Fan speed will be at Me when the compressor restarts.
40 30 40 3020 160
12
Automatic Fan Speed Mode
During Cooling Mode Operation, use remote controller to select Automatic Fan Speed.
Deodorization control.
Fan speed will be at the point between "High speed" and "Medium speed".
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

16
Intake air temperature
Evaporater
temperature
10
2
Start
Stop
1.5
Basic Time
Comp.
Indoor Fan
Outdoor Fan
Operation Indicator
11
37
Operation status
Time delay safety control
Compressor Test control
Auto restart control
Anti-freezing Control
Time
d-g
g-h
h-o
q-t
:
:
:
:
Operate
Stop
abcdefghi j klmnopqrstuvwxyz
3
4’
1’
Time Graph for Cooling Operation
Set temperature
31
29
8.2. Soft Dry Mode Operation
When selecting Soft Dry mode operation, the operation will be cooling until the room temperature reaches the set temp on
remote control, and then Soft Dry will be activated. (During Soft Dry Mode the fan of indoor unit will operate at super low
speed. The soft dry mode will run for less than 10 minutes.)
Once Soft Dry mode operation is turned off, indoor fan, compressor and outdoor fan will stop for 6 minutes.
COOLING(OFF)
DRY(ON
DRY(OFF)
DRY
COOLING COOLING(ON)
DRY(ON)
1.5
1.0
DRY(OFF)
Operation area
Time Delay Safety Protection
During cooling mode operation, if the compressor ceased, it will not restart within 3 minutes.
Anti Freezing Control
Same as the denotation in Cooling Operation.( )
(During Soft Dry Mode Operation, compressor will stop for at least 6 min.)
P15
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

17
Automatic Fan Speed
During Soft Dry Operation, use remote controller to select Auto Fan Speed mode.
Indoor Fan Speed is at “Lo-”
70
T2
40
T1
Slo
Lo-
OFF
ON
OFF
10
6
70
T2
40
T1
10
Slo Slo
Lo-
ON
OFF OFF OFF
Indoor
fan
Compressor
Time Graph for soft dry operation
abcdef g hi jklmnopq rst u
Evaporator
temperature
10 C
o
2C
o
Basic Time
Comp.
Indoor Fan
Outdoor Fan
Operation Indicator
666
1
61 1 4
Operation status
Time
Operate
Stop
Super
Low
Super
Low
Super
Low
Super
Low Low
1.5
Cooling mode operation activated
Intake Air temp
1.0
Cooling mode operation stopped
Soft mode operation activated
Soft dry mode operation stop
Cooling Mode Operation
Soft Dry Mode Operation
Soft Dry Mode Operation Stopped
Compressor Test Operation Control
Anti Freezing Control
a-c,p-r
c-p,r-u
e-f
j-l
q-t
:
:
:
:
:
Slo Slo Slo Slo Slo Slo Slo Slo Slo Slo Slo
4-way Valve
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

8.3. Heating Mode Operation
When selecting the Heating Mode Operation, the unit will operate according to the setting by the Remote Controller and
the operation is as the following.
Time Delay Safety Control
Over Load protection Control
When temperature of indoor heat exchanger rises to 51 , outdoor fan will stop
when temperature of indoor heat exchanger falls to 49 , outdoor fan will restart.
When temperature of indoor heat exchanger rises to 65 or above, compressor stops, and will restart 4 minutes later.
4-way valve control
Anti-reversing Control
If the compressor stopped by switching off, turning off by remote controller, or power off, it will not restart within 3 minutes.
When room temperature reaches the set temperature on the remote controller, compressor stops and will not restart within
4 minutes.
3 minutes after the compressor stopped, indoor fan will stop for 1 minute. Then indoor fan will resume operation with the
speed at ”super low”.
Compressor
Stops
Compressor Restarts
4 minutes later
Indoor Heat Exchanger 65
Compressor
Stops
Compressor Restarts
3 minutes later
Compressor runs 5 min
T 5 last for 2 min
T= intake air temperature - evaporator temperature
If the compressor has been continuously running for 5 minutes or longer, and the difference of temperature between
intake air and evaporator is continuously lower than 5.0 or below for 2 minutes, the compressor will stop , and then
restart 3 minutes later.(Time Delay Protection Control is effective.)
During heating mode operation,4-way valve is at open mode.
During heating mode operation,if the unit turned off, the 4-way valve will remain
at open mode for 5 minutes.
Low
Super Low
Super Low
Indoor Fan
Stop
Indoor Fan
Stop
Indoor Heat
Exchanger
Indoor Heat
Exchanger
34
30
()
()
Warm Booting Control
When turning on the unit by heating mode operation,indoor fan
will be activated when temperature of indoor heat exchanger
reaches 30 . (See the figure on the right)
Warm boot operation ends when temperature of indoor heat
exchanger reaches 34 .
18
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

abcdefghi jklmno p q r
2
42
34
32
30
OFF
ON
1'
58'' 30
30'
150'
Indoor heat
exchanget
Temp.
Intake Temp.
Basic Time
Compressor
Indoor Fan
Outdoor Fan
Operation Indicator
4-way valve
Automatic Fan Speed
During Heating Operation, use remote controller to select Auto Fan Speed mode.
Indoor Fan Speed is between “Me” and “Slo”.
Me
Lo
Lo-
SLo
SLo
()
()
()
()
45
41
34
30
45
41
34
30
38
30
28
15
38
30
28
15
Temperature of heat exchanger
Temperature of heat exchanger
Stop
Time
Time Graph for Heating Operation
Warm booting control(indoor fan Off)
Prevent cool air blowing out
Warm booting control(indoor fan Super Slo)
a-b
c-d
h-k,o-r
:
:
:
<Operation status>
Blink
Operate
Stop
Manual fan speed
19
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE

20
Deice Control
Deice operation is to protect the outdoor unit from freezing.
Normal Deice Operation
Deicing starts 30 minutes after heating mode operation or 60 minutes after the latest deicing operation. If temperature of
outdoor piping, tested by TRS, falls to -3 (TRS OFF) or below for continuously 50 seconds, deicing operation starts.
Overload Deicing Operation
During heating operation, if the accumulative stopping time of outdoor fan reaches 60 minutes,
deicing operation will start 1 minute after compressor starts.
Deicing operation ends under conditions below
(a) After 12 minutes.
(b) Temperature of outdoor unit rises to 4 .
(c) As the illustration showed bellow and due to Time Delay (Td), deicing won’t ends immediately.
Deicing Operation Time(T)
3min
3min T 7min
7 min T 9min
T 9min
Deicing Operation Time(T)
3min
3min T 7min
7min T 9min
T 9min
Td(s)
0
60
120
180
Td(s)
0
60
120
180
Once deicing operation starts, it won’t end until 60 seconds later.
When deicing operation ends, compressor will stop for 30 seconds, and 4-way valve remains at cooling mode operation
for 10 seconds.
Time Graph for Normal Deicing Operation
Time
<Operation status>
<Operation status>
a-c Deicing confirmation
c-g Deicing operation(time reset)
h-j,u-w Warm Booting
o-r Deicing(TRS )
42
34
30
Indoor Piping Temp.
abcd ef ghi j k lmnopq r st uvwxyz
Slo Lo
10S20S 20S 20S 20S 20S 10S 20STd
Operation
Stop
Blink
or
Basic Time
Compressor
Indoor Fan
Outdoor Fan
Operation LED
4-way valve
max60'
max12' max12'
max60'
60'
Slo Lo
CS-PW9DKE / CU-PW9DKE / CS-PW12DKE / CU-PW12DKE