Panasonic CS-A18DKD / CU-A18DKD / CS-A24DKD / CU-A24DKD Service Manual ▷ View online
2.3. Outdoor Unit
• To protect compressor from reverse
rotation when there is an instantaneous
power failure.
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.
However, it stops immediately with
remote control stop signal.
Overload Protector
• Inner protector.
Compressor Reverse Rotation
Protection Control
Protection Control
• To prevent frosting at outdoor heat
exchanger during Heating Operation.
Deice Control
• When the unit is switched to “OFF”
during Heating Operation, 4-way valve
stays at Heating position for 5 minutes.
stays at Heating position for 5 minutes.
4-Way Valve Control
Outdoor Fan Operation Control
• 6-pole induction motor (2 speed).
•
•
•
•
For Cooling or Soft Dry operation
Hi-speed ............. When outdoor
temperature reaches to 31
Hi-speed ............. When outdoor
temperature reaches to 31
°C.
Lo-speed ............. When outdoor
temperature reaches to 29
temperature reaches to 29
°C.
For Heating operation
Hi-speed ............. When outdoor
temperature reaches to 13.5
Hi-speed ............. When outdoor
temperature reaches to 13.5
°C.
Lo-speed ............. When outdoor
temperature reaches to 15.5
temperature reaches to 15.5
°C.
For Over-heating Protection, the Fan is
switched ON or OFF depending on the
piping temperature and the outdoor
temperature.
switched ON or OFF depending on the
piping temperature and the outdoor
temperature.
5
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
3 Product Specifications
3.1. CS-A18DKD CU-A18DKD
Unit
CS-A18DKD
CU-A18DKD
Power Source (Phase, Voltage, Cycle)
, V, Hz
Single, 220 - 230, 50
Cooling Capacity
kW (BTU/h)
5.30 (18,100) - 5.30 (18,100)
Heating Capacity
kW (BTU/h)
5.65 (19,300) - 5.70 (19,400)
Moisture Removal
l/h (Pint/h)
2.9 (6.1)
Airflow Method
OUTLET
INTAKE
SIDE VIEW
TOP VIEW
Air Volume
Lo
m
3
/min (cfm)
Cooling; 13.1 (460) - 13.1 (460)
28.6 (1,010) - 31.1 (1,100)
Heating; 14.2 (500) - 14.2 (500)
Me
m
3
/min (cfm)
Cooling; 14.5 (510) - 14.5 (510)
—
Heating; 14.7 (520) - 14.7 (520)
Hi
m
3
/min (cfm)
Cooling; 15.3 (540) - 15.3 (540)
50.7 (1,790) - 52.7 (1,860)
Heating; 16.0 (560) - 16.0 (560)
SHi
m
3
/min (cfm)
Cooling; 16.0 (560) - 16.0 (560)
—
Noise Level
dB (A)
Cooling; High 43 - 43, Low 38 -38
Cooling; High 53 - 54
Heating; High 42 - 42, Low 38 -38
Heating; High 54 - 55
Electrical Data
Input Power
kW
Cooling; 1.72 - 1.76
Heating; 1.65 - 1.71
Heating; 1.65 - 1.71
Running Current
A
Cooling; 8.0 - 7.8
Heating; 7.7 - 7.6
Heating; 7.7 - 7.6
EER
W/W (BTU/hW)
Cooling; 3.08 - 3.01 (10.52 - 10.28)
COP
W/W (BTU/hW)
Heating; 3.42 - 3.33 (11.70 - 11.35)
Starting Current
A
44.5
Piping Connection Port
(Flare piping)
(Flare piping)
inch
inch
inch
G ; Half Union 1/2”
L ; Half Union 1/4”
G ; 3-way valve 1/2”
L ; 3-way valve 1/4”
Pipe Size
(Flare piping)
(Flare piping)
inch
inch
inch
G ; (gas side) 1/2”
L ; (liquid side) 1/4”
G ; (gas side) 1/2”
L ; (liquid side) 1/4”
Drain
Hose
Hose
Inner diameter
mm
12
—
Length
mm
650
—
Power Cord
Length
m
1.9
—
Number of core-wire
3 (1.5 mm
2
)
—
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)
132 (60.0)
Compressor
Description
—
Rotary (1 cylinder)
rolling piston type
Motor
Type
—
Induction (2-poles)
Rated
Output
kW
—
1.5
6
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
Unit
CS-A18DKD
CU-A18DKD
Air Circulation
Description
Cross-flow Fan
Propeller Fan
Material
ASHT-18
PP
Motor
Type
Transistor (8-poles)
Induction (6-poles)
Input
W
50.0 - 50.0
150.3 - 150.3
Rated
Output
W
30
80
Fan Speed Low
rpm
Cooling; 1,160 - 1,160
460 - 490
Heating; 1,240 - 1,240
Medium
rpm
Cooling; 1,290 - 1,290
—
Heating; 1,290 - 1,290
High
rpm
Cooling; 1,360 - 1,360
815 - 830
Heating; 1,400 - 1,400
SuperHigh
rpm
Cooling; 1,400 - 1,400
—
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 × 28
FPI
21
16
Size (W × H × L)
mm
810 × 315 × 25.4
827.7
862.2
862.2
× 711.2 × 44
Refrigerant Control Device
—
Capillary Tube
Refrigeration Oil
(cm
3
)
—
SUNISO 4GDID or ATMOS
M60 or ATMOS 56M
Refrigerant (R-22)
g (oz)
—
1,710 (60.4)
Thermostat
—
—
Protection Device
—
Inner Protector
Capillary Tube
Length
mm
—
Cooling; 970, Heating; 820
Flow Rate
l/min
—
Cooling; 11.0, Heating; 27.0
Inner Diameter
mm
—
Cooling; 1.6, Heating; 2.2
Air Filter
Material
Style
Style
P.P.
Honeycomb
—
Capacity Control
Capillary Tube
Compressor Capacitor
µF, VAC
—
45 µF, 400/440VAC
Fan Motor Capacitor
µF, VAC
—
3.5 µF, 440VAC
Note:
• Specifications are subject to change without notice for further improvement.
• Specifications are subject to change without notice for further improvement.
7
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
3.2. CS-A24DKD CU-A24DKD
Unit
CS-A24DKD
CU-A24DKD
Power Source (Phase, Voltage, Cycle)
, V, Hz
Single, 220 - 230, 50
Cooling Capacity
kW (BTU/h)
7.03 - 7.03 (24,000 - 24,000)
Heating Capacity
kW (BTU/h)
7.80 - 7.80 (26,600 - 26,600)
Moisture Removal
l/h (Pint/h)
4.0 (8.5)
Airflow Method
OUTLET
INTAKE
SIDE VIEW
TOP VIEW
Air Volume
Lo
m
3
/min (cfm)
Cooling; 13.7 (480) - 13.7 (480)
28.1 (990) - 29.9 (1,055)
Heating; 14.7 (520) - 14.7 (520)
Me
m
3
/min (cfm)
Cooling; 15.8 (560) - 15.8 (560)
—
Heating; 15.8 (560) - 15.8 (560)
Hi
m
3
/min (cfm)
Cooling; 16.8 (590) - 16.8 (590)
49.7 (1,750) - 50.7 (1,790)
Heating; 17.6 (620) - 17.6 (620)
SHi
m
3
/min (cfm)
Cooling; 17.6 (620) - 17.6 (620)
—
Noise Level
dB (A)
Cooling; High 47 - 47, Low 41 - 41
Cooling; High 53 - 54
Heating; High 46 - 46, Low 41 - 41
Heating; High 54 - 55
Electrical Data
Input Power
kW
Cooling; 2.54 - 2.58
Heating; 2.53 - 2.56
Heating; 2.53 - 2.56
Running Current
A
Cooling; 12.3 - 12.2
Heating; 12.2 - 12.1
Heating; 12.2 - 12.1
EER
W/W (BTU/hW)
Cooling; 2.77 - 2.72 (9.45 - 9.30)
COP
W/W (BTU/hW)
Heating; 3.08 - 3.05 (10.51 - 10.39)
Starting Current
A
65.0
Piping Connection Port
(Flare piping)
(Flare piping)
inch
inch
inch
G ; Half Union 5/8”
L ; Half Union 1/4”
G ; 3-way valve 5/8”
L ; 3-way valve 1/4”
Pipe Size
(Flare piping)
(Flare piping)
inch
inch
inch
G ; (gas side) 5/8”
L ; (liquid side) 1/4”
G ; (gas side) 5/8”
L ; (liquid side) 1/4”
Drain
Hose
Hose
Inner diameter
mm
12
—
Length
mm
650
—
Power Cord
Length
m
1.9
—
Number of core-wire
3 (2.5 mm
2
)
—
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)
26 (12.0)
139 (63.0)
Compressor
Description
—
Rotary (1 cylinder) rolling
piston type
Motor
Type
—
Induction (2-poles)
Rated
Output
kW
—
2.0
Air Circulation
Description
Cross-flow Fan
Propeller Fan
Material
ASHT-18
PP
Motor
Type
Transistor (8-poles)
Induction (6-poles)
Rated
Output
W
30
80
Fan Speed Low
rpm
Cooling; 1,280 - 1,280
460 - 490
Heating; 1,380 - 1,380
Medium
rpm
Cooling; 1,480 - 1,480
—
Heating; 1,480 - 1,480
High
rpm
Cooling; 1,570 - 1,570
815 - 830
Heating; 1,650 - 1,650
SuperHigh
rpm
Cooling; 1,650 - 1,650
—
8
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
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