Panasonic CS-V18DKE User manual

1 Features 2
2 Functions 3
2.1. Remote Control 3
2.2. Indoor Unit 4
2.3. Outdoor Unit 5
3 Product Specifications 6
3.1. CS-V18DKE CU-V18DKE 6
3.2. CS-V24DKE CU-V24DKE 8
4 Dimensions 10
4.1. Indoor Unit & Remote Control 10
4.2. Outdoor Unit 11
5 Refrigeration Cycle Diagram 12
6 Block Diagram 13
7 Wiring Diagram 14
© 2004 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-V18DKE CU-V18DKE
CS-V24DKE CU-V24DKE
8 Operation Details 16
8.1. Cooling Operation 16
8.2. Soft Dry Operation 17
8.3. Automatic Operation 18
8.4. Operation Control 18
8.5. Indoor Fan Speed Control 20
8.6. Outdoor Fan Speed Control 22
8.7. Vertical Airflow Direction Control 22
8.8. Horizontal Airflow Direction Control 23
8.9. Powerful Operation 24
8.10. Quiet Operation 24
8.11. Ionizer Operation 25
8.12. Timer Control 26
8.13. Random Auto Restart Control 27
Air Conditioner
CONTENTS
Page Page
Order No. MAC0410044C2

8.14. Remote Control Signal Receiving Sound 27
9 Operating Instructions 28
10 Installation Instructions 34
10.1. Safety Precautions 34
10.2. Indoor Unit 37
10.3. Outdoor Unit 41
11 Installation And Servicing Air Conditioner Using R410A 44
11.1. Outline 44
11.2. Tools For Installing/Servicing Refrigerant Piping 45
11.3. Refrigerant Piping Work 49
11.4. Installation, Transferring, Servicing 51
12 Servicing Information 55
12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 55
12.2. Indoor Electronic Controllers Removal Procedures 55
12.3. Cross Flow Fan and Indoor Fan Motor Removal
Procedures 56
12.4. Remote Control Reset 58
12.5. Auto OFF/ON Button 58
13 Troubleshooting Guide 59
13.1. Refrigeration Cycle System 59
13.2. Relationship Between The Condition Of The Air
Conditioner And Pressure And Electric Current 60
• High efficiency.
• Compact design.
• Wider range of horizontal discharge air.
• Air Filter with function to reduce dust and smoke.
• Automatic air swing and manual adjusted by Remote
Control for horizontal and vertical airflow.
• Long installation piping up to 25 meter.
• Supersonic Air Purifying System with Super Alleru-Buster.
− Inactive various harmful airbone elements including
allergens, viruses and bacteria.
− Generated supersonic waves enhance the ability to
collect dust and dirt in the air.
• Quality Improvement
− Random auto restart after power failure for safety restart
operation.
− Gas leakage detection.
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Blue coated Condenser for high resistance to corrosion.
− Anti-dew formation control (Cooling & Soft Dry).
13.3. Diagnosis Methods Of A Malfunction Of A Compressor
And 4-way Valve 60
14 Technical Data 61
14.1. Thermostat Characteristics 61
14.2. Sensible Capacity Chart 61
14.3. Operation Characteristics 62
15 Exploded View (Indoor Unit) 63
15.1. CS-V18DKE CS-V24DKE 63
16 Replacement Parts List (Indoor Unit) 64
16.1. CS-V18DKE CS-V24DKE 64
17 Exploded View (Outdoor Unit) 65
17.1. CU-V18DKE CU-V24DKE 65
18 Replacement Parts List (Outdoor Unit) 66
18.1. CU-V18DKE CU-V24DKE 66
19 Electronic Circuit Diagram 67
19.1. Indoor Unit & Outdoor Unit 67
19.2. Remote Control 73
19.3. Print Pattern Indoor Unit Printed Circuit Board 74
19.4. Print Pattern Indicator & Receiver Printed Circuit Board
76
• Operation Improvement
− Quiet mode to provide quiet operation.
− Powerful mode to reach the desired room temperature
quickly.
− Ionizer control for generating negative ion in discharge
air.
− 24-hour timer setting.
• Serviceability Improvement
− Removable and washable Front Panel.
• Environmental Friendly
− R410A, which does not contain chlorine, is used as its
refrigerant, so there is no danger of damage to the
ozone layer in stratosphere.
1 Features
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

2 Functions
2.1. Remote Control
Operation Start / Stop
OFF / ON I
Room Temperature Setting
TEMP.
Operation Mode Selection
• AUTO Automatic Operation
•
COOL Cooling Operation
•
DRY Soft Dry Operation
MODE
Time / Timer Setting
• Hours and minutes setting.
Clock Setting
• Current time setting.
Ionizer Operation Start / Stop
Indoor Fan Speed Selection
FAN SPEED
• FAN Low Fan Speed
•
FAN Medium Fan Speed
•
FAN High Fan Speed
•
AUTO Automatic Fan Speed
FAN
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
AIR SWING
•Vertical Automatic Airflow
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).
Powerful Operation Start / Stop
POWERFUL
Quiet Operation Start / Stop
QUIET
Cooling, Soft Dry Operation.
• Increase or decrease set temperature
(16°C to 30°C)
Automatic Operation
•Operation with 2°C higher than
standard temperature.
• Operation with standard temperature.
•Operation with 2°C lower than
standard temperature.
< >
TEMP
RESET CLOCK
MODE
FAN SPEED
OFF
CANCEL
ON
SET
123
TIMER
OFF ON
/
QUIET
POWERFUL
AIR SWING
3
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

2.2. Indoor Unit
Automatic Operation Button
•Press for < 5 second to operate Automatic
operation mode. Used when the remote
control cannot be used.
•Press for ≥5 second to operate Cooling
operation mode and compressor force to on
(“beep”sound will heard). Used when test
running or servicing.
•Within 20 second of Cooling operation, press
continuously for ≥5 second to enter various
setting mode. “beep, beep”sound will be
heard. (Used to toggle remote control signal
receiving sound or select remote control
transmission code).
AUTO
OFF / ON
Operation Indication Lamps (LED)
• POWER (Green) ............. Lights up in operation,
blinks in Automatic
Operation judging.
• TIMER (Orange) ............ Lights up in Timer
Setting.
• QUIET (Orange) ............. Lights up in Quiet
Operation.
• POWERFUL (Orange) ...... Lights up in Powerful
Operation.
• ION (Green) .................. Lights up in Ionizer
Operation.
• SUPER
ALLERU-BUSTER
(Blue) ... Lights up in operation.
7 Minutes Time Save Control
•To reduce the built up humidity inside the
room.
Anti-Dew Formation Control
•Anti-Dew Formation Control for indoor unit
discharge area.
Timer Operation
•Delay OFF/ON Timer control.
Ionizer Operation
•Generate and discharge negative ion.
Powerful Operation
•Reaches the desired room temperature
quickly.
Operation Mode
•Cooling, Soft Dry and Automatic Operation.
Anti-Freezing Control
•To prevent indoor heat exchanger from
freezing.
Random Auto Restart Control
•Unit will be restarted, when resume from
power failure, at previous setting.
Indoor Fan Speed Control
•Manual control fan speed (High, Medium and
Low).
•Automatic fan speed.
•Vertical airflow control can be adjusted
automatically or manually by remote control.
•Horizontal airflow control can be adjusted
automatically or manually by remote control.
Airflow Direction Control
Time Delay Safety Control
•Restarting is inhibited for appro. 3 minutes.
Quiet Operation
•To provide quiet operation.
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE
4

2.3. Outdoor Unit
•To protect compressor from reverse
rotation when there is a instantaneous
power failure.
60 Secs. Forced Operation Control
•Once the compressor is activated, it
does not stop within the first 60 secs.
However, it stops immediately with
remote control stop signal.
Compressor Reverse Rotation
Protection Control
Outdoor Fan Operation Control
V24DK
•4-pole induction motor (2 speed).
•For Cooling or Soft Dry operation
Hi-speed ............. When outdoor
temperature reaches to 31°C.
Lo-speed ............. When outdoor
temperature reaches to 29°C.
V18DK
•4-pole induction motor (1 speed).
Overload Protector
•Inner protector.
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE
5

3 Product Specifications
3.1. CS-V18DKE CU-V18DKE
Unit CS-V18DKE CU-V18DKE
Power Source (Phase, Voltage, Cycle) ø,V,Hz Single, 230, 50
Cooling Capacity kW (BTU/h) 5.30 (18,100)
Moisture Removal l/h (Pint/h) 2.9 (6.1)
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Lo m3/min (cfm) 12.5 (440) —
Me m3/min (cfm) 13.6 (480) —
Hi m3/min (cfm) 14.8 (520) 42.0 (1,480)
SHi m3/min (cfm) 15.5 (550) —
Noise Level dB (A) High 42, Low 37 High 54
Power level dB 54 69
Electrical Data Input Power kW 1.63
Running Current A7.3
EER W/W (BTU/hW) 3.25 (11.10)
Starting Current A27.0
Piping Connection Port
(Flare piping)
inch
inch
G ; Half Union 1/2”
L ; Half Union 1/4”
G ; 3-way valve 1/2”
L ; 2-way valve 1/4”
Pipe Size
(Flare piping)
inch
inch
G ; (gas side) 1/2”
L ; (liquid side) 1/4”
G ; (gas side) 1/2”
L ; (liquid side) 1/4”
Drain
Hose
Inner diameter mm 12 —
Length mm 650 —
Power Cord Length m1.9 —
Number of core-wire 3 (1.0 mm2)—
Dimensions Height inch (mm) 10 - 13/16 (275) 29 - 17/32 (750)
Width inch (mm) 39 - 9/32 (998) 34 - 7/16 (875)
Depth inch (mm) 9 - 1/16 (230) 13 - 19/32 (345)
Net Weight lb (kg) 24 (11.0) 110 (50.0)
Compressor Description —Rotary (1 cylinder)
rolling piston type
Motor Type —Induction (2-poles)
Rated Output kW —1.5
Air Circulation Description Cross-flow Fan Propeller Fan
Material ASHT-18 PP
Motor Type Transistor (8-poles) Induction (4-poles)
Input W44.8 119.6
Rated Output W30 50
Fan Speed Low rpm 1,150 —
Medium rpm 1,250 —
High rpm 1,360 720
SuperHigh rpm 1,420 —
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium (Pre Coat) Aluminium
Fin Type Slit Fin Corrugated Fin
Row / Stage (Plate fin configuration, forced draft)
2×15 2×34
FPI 21 16
Size (W × H × L) mm 810 × 315 × 25.4 850.5
870.5
× 714.0 × 25.4
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

Unit CS-V18DKE CU-V18DKE
Refrigerant Control Device —Capillary Tube
Refrigeration Oil (cm3)—FV50S (670)
Refrigerant (R410A) g (oz) —1,340 (47.3)
Thermostat Electronic Control —
Protection Device —Inner Protector
Capillary Tube Length mm —890
Flow Rate l/min —15.2
Inner Diameter mm —1.8
Air Filter Material
Style
P.P.
Honeycomb
—
Capacity Control Capillary Tube
Compressor Capacitor µF, VAC —50 µF, 400VAC
Fan Motor Capacitor µF, VAC —3.5 µF, 450VAC
Note:
• Specifications are subject to change without notice for further improvement.
7
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

3.2. CS-V24DKE CU-V24DKE
Unit CS-V24DKE CU-V24DKE
Power Source (Phase, Voltage, Cycle) ø,V,Hz Single, 230, 50
Cooling Capacity kW (BTU/h) 7.03 (24,000)
Moisture Removal l/h (Pint/h) 4.0 (8.5)
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Lo m3/min (cfm) 13.8 (490) 26.7 (940)
Me m3/min (cfm) 15.3 (540) —
Hi m3/min (cfm) 16.9 (600) 46.5 (1,640)
SHi m3/min (cfm) 17.5 (620) —
Noise Level dB (A) High 46, Low 40 High 54
Power level dB 59 69
Electrical Data Input Power kW 2.60
Running Current A12.3
EER W/W (BTU/hW) 2.70 (9.23)
Starting Current A65.0
Piping Connection Port
(Flare piping)
inch
inch
G ; Half Union 5/8”
L ; Half Union 1/4”
G ; 3-way valve 5/8”
L ; 2-way valve 1/4”
Pipe Size
(Flare piping)
inch
inch
G ; (gas side) 5/8”
L ; (liquid side) 1/4”
G ; (gas side) 5/8”
L ; (liquid side) 1/4”
Drain
Hose
Inner diameter mm 12 —
Length mm 650 —
Power Cord Length m1.9 —
Number of core-wire 3 (2.5 mm2)—
Dimensions Height inch (mm) 10 - 13/16 (275) 29 - 17/32 (750)
Width inch (mm) 39 - 9/32 (998) 34 - 7/16 (875)
Depth inch (mm) 9 - 1/16 (230) 13 - 19/32 (345)
Net Weight lb (kg) 24 (11.0) 130 (59.0)
Compressor Description —Rotary (1 cylinder) rolling piston
type
Motor Type —Induction (2-poles)
Rated Output kW —2.2
Air Circulation Description Cross-flow Fan Propeller Fan
Material ASHT-18 PP
Motor Type Transistor (8-poles) Induction (4-poles)
Input W44.8 135
Rated Output W30 66
Fan Speed Low rpm 1,250 450
Medium rpm 1,390 —
High rpm 1,530 785
SuperHigh rpm 1,590 —
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium (Pre Coat) Aluminium
Fin Type Slit Fin Corrugated Fin
Row / Stage (Plate fin configuration, forced draft)
2×15 2×34
FPI 21 18
Size (W ×H×L) mm 810 ×315 ×25.4 850.5
870.5
×714.0 ×25.4
Refrigerant Control Device —Capillary Tube
Refrigeration Oil (cm3)—FV50S (1,130)
Refrigerant (R410A) g (oz) —1,470 (51.9)
8
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

Unit CS-V24DKE CU-V24DKE
Thermostat Electronic Control Mechanical Control
Protection Device —Inner Protector
Capillary Tube Length mm —645
Flow Rate l/min —23.5
Inner Diameter mm —2.0
Air Filter Material
Style
P.P.
Honeycomb
—
Capacity Control Capillary Tube
Compressor Capacitor µF, VAC —45 µF, 400VAC
Fan Motor Capacitor µF, VAC —3.5 µF, 450VAC
Note:
• Specifications are subject to change without notice for further improvement.
9
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

4 Dimensions
4.1. Indoor Unit & Remote Control
4.1.1. CS-V18DKE CS-V24DKE
10
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

4.2. Outdoor Unit
4.2.1. CU-V18DKE CU-V24DKE
11
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

5 Refrigeration Cycle Diagram
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

6 Block Diagram
13
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

7 Wiring Diagram
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE
14

CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE
15

8 Operation Details
8.1. Cooling Operation
• Cooling operation can be set using remote control.
• This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control.
• The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16°C
to 30°C.
• During cooling operation, the compressor will stop running and restart as shown in below figure.
8.1.1. Cooling Operation Time Diagram
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

8.2.1. Soft Dry Operation Time Diagram
8.2. Soft Dry Operation
• Soft Dry operation can be set using remote control.
• Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room.
• This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control.
• When operation begins, Soft Dry will be switched “ON”for a maximum 10 minutes, then Soft Dry operation will be turned “OFF”
for a minimum 6 minutes. After that, the Soft Dry operation will be “ON”and “OFF”based on the setting temperature as shown
in below figure.
• However after 3 minutes of compressor off, during Soft Dry “OFF”(within 6 minutes Soft Dry restart control), the indoor unit will
start to operate at normal Cooling mode if the intake temperature is higher than Cooling “ON”point.
17
CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

8.3. Automatic Operation
• Automatic operation can be set using remote control.
• This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
• After judged the temperature, the operation mode is determined by referring to the below standard.
• Then, the unit start to operate at determined operation mode, until it is switched off using remote control, with the setting
temperature as shown in below table.
• The setting temperature for all the operations can be changed one level up or one level down from the standard temperature
as shown in below table by pressing on the temperature up or temperature down button at remote control.
Operation Hi (Standard) Lo
(+2°C) (±0°C) (-2°C)
Cooling 27°C25°C23°C
Soft Dry 24°C22°C20°C
• The operation mode judging temperature and standard setting temperature can be increased by 2°C permanently, by open the
circuit of JX1 at indoor electronic controller.
8.4. Operation Control
(For 8.5.1 to 8.5.7 information applies only to Cooling and Soft Dry Operation)
8.4.1. Restart Control (Time Delay Safety Control)
• When the thermo-off temperature (temperature which compressor stops to operate) is reached during:-
− Cooling operation - the compressor stops for 3 minutes (minimum) before resume operation.
− Soft Dry operation - the compressor stops for 6 minutes (minimum) before resume operation.
• If the operation is stopped by the remote control, the compressor will not turn on within 3 minutes from the moment operation
stop, although the unit is turn on again within the period.
• This phenomenon is to balance the pressure inside the refrigerant cycle.
8.4.2. 60 Seconds Forced Operation
• Once the air conditioner is turned on, the compressor will not stop within 60 seconds in a normal operation although the intake
air temperature has reached the thermo-off temperature. However, force stop by pressing the OFF/ON operation button at the
remote control is permitted.
• The reason for the compressor to force operate at minimum 60 seconds is to allow the refrigerant oil run in a full cycle and
return back to the outdoor unit.
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

8.4.3. 7 Minutes Time Save Control
• The compressor will start automatically if it has stopped for 7 minutes and the intake air temperature falls between the
compressor ON temperature (A) and compressor OFF temperature (B) during the period.
• This phenomenon is to reduce the built up humidity inside a room.
8.4.4. Anti-Freezing Control
• If the temperature of the indoor heat exchanger falls below 2°C continuously for 4 minutes or more, the compressor turns off.
The fan speed setting remains the same.
• This phenomenon is to protect the indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid form
returning to the compressor.
• Compressor will restart again when the indoor heat exchanger temperature rises to 10°C (Recovery).
• Restart control (Time Delay Safety Control) will be applied in this Control if the recovery time is too short.
8.4.5. Compressor Reverse Rotation Protection Control
• If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and
indoor heat exchanger is 2.5°C or less for continuous 2 minutes, compressor will stop and restart automatically.
• Time Delay Safety Control is activated before the compressor restart.
▲T = Intake air temperature - Indoor heat exchanger temperature
• This is to prevent compressor from rotate reversely when there is an instantaneous power failure.
8.4.6. Starting Current Control
• When the compressor, outdoor fan motor and indoor fan motor are simultaneously started, the indoor fan motor will start to
operate at 1.6 second later.
• The reason of the difference is to reduce the starting current flow.
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE

8.4.7. Anti-Dew Formation Control
• Purpose is to prevent dew formation on indoor unit air discharge area.
• The following conditions occur for 30 minutes continuously, anti-dew formation will activate:
− Remote Control setting temperature is less than 25°C.
− Compressor is on.
− Cooling operation mode.
− Indoor fan motor operate at low fan speed or QLo.
• This control is cancelled immediately when above condition is changed.
• Anti-Dew formation is control by:
1. Lo fan speed
Lo fan is changed to Lo+ fan
2. QLo fan speed
8.5. Indoor Fan Speed Control
• Indoor Fan Speed can be set using remote control.
8.5.1. Fan Speed Rotation Chart
Speed CS-V24DKE CS-V18DKE
Cool, Dry
SHi 1590 1420
Hi 1530 1360
Me 1390 1250
Lo+ 1330 1220
Lo 1250 1150
Lo- 1100 980
SLo 860 780
QHi 1430 1260
QMe 1290 1150
QLo 1150 1050
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CS-V18DKE CU-V18DKE / CS-V24DKE CU-V24DKE