Panasonic Cs C9dkzw Cu 2c18dkh Cu 3c20dkh Repair Manual

 1 Features 2
 2 Functions 
3
 3 Product Specifications 
6
 3.1. CS-C9DKZWCU-2C18DKH 
6
 3.2. CS-C9DKZWCU-3C20DKH 
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 
15
 8 Operation Details 
17
© 2004 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-C9DKZW CU-2C18DKH
CS-C9DKZW CU-3C20DKH
 8.1. Cooling Operation...

 8.12. Timer Control 29
 8.13. Random Auto Restart Control 
29
 8.14. Remote Control Signal Receiving Sound  
29
 9 Operating Instructions 
30
 10  Installation Instructions 
36
 10.1. Safety Precautions 
36
 10.2. Attached accessories 
38
 10.3. Select the best location 
38
 10.4. Indoor/Outdoor Unit Installation Diagram 
38
 10.5. Indoor unit 
39
 10.6. Outdoor unit 
43
 11  3-way Valve 
47
 11.1. Air purging 
48
 11.2. Pumping down 
49
 11.3. Evacuation 
52
 11.4. Gas charging 
53
 12...

2 Functions
   
 
3
CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH 

 
 
 
  
 
 
 
 
 
4
CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH 

Outdoor Unit
• To protect compressor from reverse
rotation when there is a instantaneous
power failure.
60 Sec. Forced Operation Control
• Once the compressor is activated, it
does not stop within the first 60 sec.
However, it stops immediately when
received stop signal from remote control.
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...

3 Product Specifications
3.1. CS-C9DKZW CU-2C18DKH
UnitIndoor unitOutdoor unit
Power Source (Phase, Voltage, Cycle)
ø, V, Hz
Single
240 - 220
50
Cooling CapacitykW
(BTU/h)(1 unit)2.44 - 2.40
(8,320 - 8,180)(2 units)4.88 - 4.80
(16,600 - 16,400)
kJ/h(1 unit)8,640(2 units)8,780
Moisture Removall/h
(Pint/h)(1 unit)1.5
(3.2)(2 units)2.6
(5.5)
Airflow MethodOUTLET
INTAKE
SIDE VIEWTOP VIEW
Air VolumeLom3/min (cfm)5.6 (200) - 5.6 (200)—
Mem3/min (cfm)6.8 (240) - 6.8 (240)—
Him3/min (cfm)8.6 (300) - 8.6...

UnitIndoor unitOutdoor unit
Fan MotorDescriptionCross-flow FanPropeller Fan
MaterialAS + Glass Fiber 20%AS + Glass Fiber 20%
TypeInduction (4-poles)Induction (6-poles)
InputW29.3 - 26.3134.6 - 118.8
Rated OutputW1550
Fan SpeedLowrpm750 - 750—
Mediumrpm920 - 920—
Highrpm1,160 - 1,160760 - 720
SuperHighrpm1,250 - 1,250—
Heat ExchangerDescriptionEvaporatorCondenser
Tube materialCopperCopper
Fin materialAluminiumAluminium (Blue Coat)
Fin TypeSlit FinLouver Fin
Row / Stage(Plate fin configuration, forced...

3.2. CS-C9DKZW CU-3C20DKH
Indoor unitOutdoor unit
UnitSingle Operation
(A, B1, B2)Single OperationDouble OperationTriple Operation
(A)(B1 or B2)(B1 + B2)(A + B1 or B2)(A + B1 + B2)
Power Source
(Phase, Voltage, Cycle)
ø, V, Hz
Single
240 - 220
50
Cooling Capacity Per UnitkW
(BTU/h)—2.40-2.34
(8,180-7,980)2.82-2.78
(9,620-9,480)3.60-3.52
(12,300-12,000)5.22-5.12
(17,800-17,500)6.00-5.86
(20,500-20,000)
Moisture Removall/h
(Pint/h)—1.5
(3.2)1.6
(3.4)2.1
(4.4)2.8
(5.9)3.2
(6.8)
Airflow MethodOUTLET
INTAKE...

Indoor unitOutdoor unit
Fan MotorDescriptionCross-flow FanPropeller Fan
MaterialAS + Glass Fiber
20%AS + Glass Fiber 20%
TypeInduction (4-poles)Induction (6-poles)
InputW29.3 - 26.3134.0 - 118.7
RatedOutputW1550
Fan
SpeedLowrpm750 - 750—
Mediumrpm920 - 920—
Highrpm1,160 - 1,160765 - 725
SuperHighrpm1,250 - 1,250—
Heat
ExchangerDescriptionEvaporatorCondenser
Tube materialCopperCopper
Fin materialAluminiumAluminium (Blue Coat)
Fin TypeSlit FinLouver Fin
Row / Stage(Plate fin configuration, forced draft)...

4 Dimensions
4.1. Indoor Unit & Remote Control
10
CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH