Panasonic CS-C12DKU User manual

1 Features 2
2 Functions 3
3 Product Specifications 6
3.1. CS-C9DKU CU-C9DKU 6
3.2. CS-C12DKU CU-C12DKU 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
8 Operation Details 15
8.1. Cooling Operation 15
8.2. Soft Dry Operation 16
8.3. Automatic Operation 17
8.4. Operation Control 18
© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-C9DKU CU-C9DKU
CS-C12DKU CU-C12DKU
8.5. Indoor Fan Speed Control 21
8.6. Outdoor Fan Speed Control 23
8.7. Vertical Airflow Direction Control 23
8.8. Horizontal Airflow Direction Control 24
8.9. Powerful Operation 24
8.10. Quiet Operation 25
8.11. Timer Control 26
8.12. Random Auto Restart Control 26
8.13. Remote Control Signal Receiving Sound 26
8.14. Economy Mode Operation 27
9 Operating Instructions 28
10 Installation Instructions 34
10.1. Safety Precautions 34
10.2. Attached accessories 36
10.3. Select the best location 36
10.4. Indoor/Outdoor Unit Installation Diagram 36
Air Conditioner
CONTENTS
Page Page
Order No. MAC0502033C1

10.5. Indoor unit 37
10.6. Outdoor unit 40
11 2-way, 3-way Valve 45
11.1. Evacuation of Installation 46
11.2. Pumping down 47
11.3. Evacuation of Re-installation 48
11.4. Balance refrigerant of the 2-way, 3-way valves 49
11.5. Evacuation 50
11.6. Gas charging 51
12 Servicing Information 52
12.1. Distinction of Lead Free (PbF) Printed Circuit Board 52
12.2. Indoor Electronic Controller Removal Procedures 52
12.3. Indoor Fan Motor and Cross Flow Fan Removal
Procedures 54
12.4. Auto OFF/ON Button 55
12.5. Remote Control Reset 56
• 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 vertical airflow.
• Long installation piping.
− CS/CU-C9DKU, long piping up to 33ft.
− CS/CU-C12DKU, long piping up to 49ft.
13 Troubleshooting Guide 57
13.1. Refrigeration cycle system 57
13.2. Relationship between the condition of the air conditioner
and pressure and electric current 58
13.3. Diagnosis methods of a malfunction of a compressor 58
14 Technical Data 59
14.1. Thermostat characteristics 59
14.2. Operation characteristics 60
15 Exploded View (Indoor Unit) 64
16 Replacement Parts List (Indoor Unit) 65
17 Exploded View (Outdoor Unit) 66
18 Replacement Parts List (Outdoor Unit) 67
19 Electronic Circuit Diagram 68
19.1. Indoor Unit 68
19.2. Remote Control 74
19.3. Print Pattern Indoor Unit Printed Circuit Board 75
• Quality Improvement
− Random auto restart after power failure for safety restart
operation.
− Gas leakage protection.
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Blue Coated Condenser for high resistance to corrosion.
• Operation Improvement
− Quiet mode to provide quiet operation.
− Powerful mode to reach the desired room temperature
quickly.
− 24-hour timer setting.
• Serviceability Improvement
− Removable and washable Front Panel.
1 Features
2
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

2 Functions
ı
3
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

4
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

5
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

3 Product Specifications
3.1. CS-C9DKU CU-C9DKU
Unit Indoor unit Outdoor unit
Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 115, 60
Cooling Capacity kW (BTU/h) 2.58 (8,800)
Moisture Removal l/h (Pint/h) 1.0 (2.1)
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Lo m3/min (cfm) 4.7 (164) - 4.7 (164) —
Me m3/min (cfm) 5.7 (202) - 5.7 (202) —
Hi m3/min (cfm) 7.2 (250) - 7.2 (250) 33.8 (1,190)
SHi m3/min (cfm) 7.8 (274) - 7.8 (274) —
Noise Level dB (A) High 36 - 36, Low 26 - 26 High 49
Power level dB High 49 - 39 High 62
Electrical Data Input Power W790
Running Current A 7.2
EER W/W (BTU/hW) 3.27 (11.10)
Starting Current A 42.0
Piping Connection Port
(Flare piping)
inch
inch
G ; Half Union 3/8”
L ; Half Union 1/4”
G ; 3-way valve 3/8”
L ; 2-way valve 1/4”
Pipe Size
(Flare piping)
inch
inch
G ; (gas side) 3/8”
L ; (liquid side) 1/4”
G ; (gas side) 3/8”
L ; (liquid side) 1/4”
Drain
Hose
Inner diameter inch (mm) 20/32 (16) —
Length inch (mm) 25-19/32 (650) —
Power Cord Length m — —
Number of core-wire — —
Dimensions Height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540)
Width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780)
Depth inch (mm) 7 - 7/32 (183) 11 - 3/8 (289)
Net Weight lb (kg) 20 (9.0) 64 (29)
Compressor Description —Rotary (1 cylinder)
rolling piston type
Motor Type —Induction (2-poles)
Rated Output W — 600
Fan Motor Description Cross-flow Fan Propeller Fan
Material ASG32K1 PP Resin
Type Induction (4-poles) Induction (6-poles)
Input W 60.61 85.8
Rated Output W 15 30
Fan Speed Low rpm 750 - 750 —
Medium rpm 920 - 920 —
High rpm 1,160 - 1,160 845
SuperHigh rpm 1,250 - 1,250 —
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium (Pre Coat) Aluminium (Blue Coat)
Fin Type Slit Fin Louver Fin
Row / Stage (Plate fin configuration, forced draft)
2×15 1×20
FPI 21 16
Size (W × H × L) inch (mm) 24-1/32 ×12-13/32 × 1
(610 × 315 × 25.4)
33-4/32 × 20-3/8 × 28/32
(841 × 508 × 22)
Refrigerant Control Device —Capillary Tube
Refrigeration Oil (cm3) — SUNISO 4GDID or ATMOS M60
or ATMOS 56
Refrigerant (R-22) g (oz) — 680 (24.0)
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CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

Unit Indoor unit Outdoor unit
Thermostat Electrical —
Protection Device — 2 Stage Overload Protector
Capillary Tube Length inch (mm) —26-18/32 (675)
Flow Rate l/min — 13.0
Inner Diameter inch (mm) —20/32 (1.6)
Air Filter Material
Style
P.P.
Honeycomb
—
Capacity Control Capillary Tube
Compressor Capacitor µF, VAC — 35 µF, 370VAC
Fan Motor Capacitor µF, VAC 5.0 µF, 230VAC 8.0 µF, 230VAC
Note:
• Specifications are subjected to change without prior notice for further improvement.
7
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

3.2. CS-C12DKU CU-C12DKU
Unit Indoor unit Outdoor unit
Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 115, 60
Cooling Capacity kW (BTU/h) 3.60 (12,300)
Moisture Removal l/h (Pint/h) 1.6 (3.4)
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Lo m3/min (cfm) 5.6 (199) - 5.6 (199) —
Me m3/min (cfm) 6.8 (238) - 6.8 (238) —
Hi m3/min (cfm) 8.0 (280) - 8.0 (280) 31.1(1,100)
SHi m3/min (cfm) 8.2 (289) - 8.2 (289) —
Noise Level dB (A) High 39 - 39, Low 29 - 29 High 49
Power level dB High 52 - 42 High 62
Electrical Data Input Power kW 1.16
Running Current A 10.3
EER W/W (BTU/hW) 3.10 (10.60)
Starting Current A 57.0
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 inch (mm) 20 / 32 (16) —
Length inch (mm) 25-19/32 (650) —
Power Cord Length m — —
Number of core-wire — —
Dimensions Height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540)
Width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780)
Depth inch (mm) 7 - 7/32 (183) 11 - 3/8 (289)
Net Weight lb (kg) 20 (9.0) 73 (33)
Compressor Description —Rotary (1 cylinder) rolling piston
type
Motor Type —Induction (2-poles)
Rated Output W — 850
Fan Motor Description Cross-flow Fan Propeller Fan
Material ASG32K1 PP Resin
Motor Type Induction (4-poles) Induction (6-poles)
Input W 60.61 66.0 - 75.0
Rated Output W 15 31
Fan Speed Low rpm 900 - 900 —
Medium rpm 1,080 - 1,080 —
High rpm 1,280 - 1,280 820 - 820
SuperHigh rpm 1,310 - 1,310 —
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium (Pre Coat) Aluminium (Blue Coat)
Fin Type Slit Fin Louver Fin
Row / Stage (Plate fin configuration, forced draft)
2×15 2×24
FPI 21 16
Size (W × H × L) inch (mm) 24-1/32 × 12-13/32 × 1
(610 × 315 × 25.4)
29-10/32;28-15/32 × 19-27/32 ×
1
744.2;723.5 × 504 × 25.4
Refrigerant Control Device —Capillary Tube
Refrigeration Oil (cm3) — ATMOS M60 or SUNISO 4GDID
or ATMOS M56
Refrigerant (R-22) g (oz) — 760 (26.8)
Thermostat Electrical —
Protection Device — 2 Stage Overload Protector
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CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

Unit Indoor unit Outdoor unit
Capillary Tube Length inch (mm) —16-23/32 (425)
Flow Rate l/min — 18.0
Inner Diameter inch (mm) — 2/32 (1.7)
Air Filter Material
Style
P.P.
Honeycomb
—
Capacity Control Capillary Tube
Compressor Capacitor µF, VAC — 50 µF, 370VAC
Fan Motor Capacitor µF, VAC 5.0 µF, 230VAC 8.0 µF, 230VAC
Note:
• Specifications are subjected to change without prior notice for further improvement.
9
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU

4 Dimensions
4.1. Indoor Unit & Remote Control
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CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU