Panasonic CS-W7NKD / CS-W9NKD / CS-W12NKD / CS-W18NKD / CS-W24NKD / CU-W7NKD / CU-W9NKD / CU-W12NKD / CU-W18NKD / CU-W24NKD Service Manual ▷ View online
9
Indoor CS-W18NKD
CS-W24NKD
Model
Outdoor CU-W18NKD
CU-W24NKD
Performance Test Condition
NEW JIS
NEW JIS
Phase, Hz
Single, 50
Single, 50
Power Supply
V
220 230 220 230
kW
5.28 5.28 6.75 6.75
BTU/h
18000 18000 23000 23000
Capacity
kcal/h
4540 4540 5810 5810
Running Current
A
8.0
7.9
11.2
11.1
Input
Power W
1.74k 1.77k 2.43k 2.47k
W/W
3.03 2.98 2.78 2.73
EER
BTU/hW 10.34
10.17
9.47
9.31
Power
Factor
%
99 97 99 97
dB-A
44 / 39
44 / 39
47 / 42
47 / 42
Indoor Noise (H / L)
Power Level dB
60 / -
60 / -
63 / -
63 / -
dB-A
54 / -
55 / -
55 / -
56 / -
Cooling
Outdoor Noise (H / L)
Power Level dB
70 / -
71 / -
71 / -
72 / -
kW
5.53 5.58 7.22 7.22
BTU/h
18900 19000 24600 24600
Capacity
kcal/h
4760 4800 6210 6210
Running Current
A
8.0
7.9
11.3
11.2
Input
Power W
1.71k 1.77k 2.43k 2.46k
W/W
3.23 3.15 2.97 2.93
COP
BTU/hW
11.05 10.73 10.12 10.00
Power
Factor
%
97 97 98 95
dB-A
45 / 40
45 / 40
48 / 42
48 / 42
Indoor Noise (H / L)
Power Level dB
61 / -
61 / -
64 / -
64 / -
dB-A
55 / -
56 / -
56 /-
57 / -
Heating
Outdoor Noise (H / L)
Power Level dB
71 / -
72 / -
72 / -
73 / -
Max Current (A) / Max Input Power (W)
9.0 / 1.99k
13.3 / 2.94k
Starting Current (A)
34.0
58.0
Type
Hermetic Motor (Rotary)
Hermetic Motor (Rotary)
Motor Type
Induction (2-poles)
Induction (2-poles)
Compressor
Output Power
W
1.5k
1.9k
Type
Cross-flow Fan
Cross-flow Fan
Material
ASG30K1
ASG30K1
Motor Type
Transistor (8-poles) Transistor
(8-poles)
Input Power
W
94.8 - 94.8
94.8 - 94.8
Output Power
W
40
40
QLo rpm
Cooling: 910 - 910
Heating: 910 - 910
Heating: 910 - 910
Cooling: 1010 - 1010
Heating: 1010 - 1010
Heating: 1010 - 1010
Lo rpm
Cooling: 1000 - 1000
Heating: 1060 - 1060
Heating: 1060 - 1060
Cooling: 1100 - 1100
Heating: 1180 - 1180
Heating: 1180 - 1180
Me rpm
Cooling: 1100 - 1100
Heating: 1100 - 1100
Heating: 1100 - 1100
Cooling: 1220 - 1220
Heating: 1220 - 1220
Heating: 1220 - 1220
Hi rpm
Cooling: 1240 - 1240
Heating: 1310 - 1310
Heating: 1310 - 1310
Cooling: 1390 - 1390
Heating: 1530 - 1530
Heating: 1530 - 1530
Indoor Fan
Speed
SHi
rpm
Cooling: 1310 - 1310
Cooling: 1530 - 1530
Type
Propeller Fan
Propeller Fan
Material
PP Resin
PP Resin
Motor Type
Induction (6-poles) Induction
(6-poles)
Input Power
W
138.3 - 150.3
138.3 - 150.3
Output Power
W
80
80
Lo
rpm
460 - 490
460 - 490
Outdoo
r Fa
n
Speed
Hi
rpm
815 - 830
815 - 830
Moisture Removal
L/h (Pt/h)
2.9 (6.1)
3.8 (8.0)
10
QLo m
3
/min (ft
3
/min)
Cooling: 12.0 (425) - 12.0 (425)
Heating: 11.9 (419) - 11.9 (419)
Heating: 11.9 (419) - 11.9 (419)
Cooling: 13.5 (477) - 13.5 (477)
Heating: 13.2 (466) - 13.2 (466)
Heating: 13.2 (466) - 13.2 (466)
Lo m
3
/min (ft
3
/min)
Cooling: 13.2 (467) - 13.2 (467)
Heating: 13.8 (489) - 13.8 (489)
Heating: 13.8 (489) - 13.8 (489)
Cooling: 14.7 (520) - 14.7 (520)
Heating: 15.4 (545) - 15.4 (545)
Heating: 15.4 (545) - 15.4 (545)
Me m
3
/min (ft
3
/min)
Cooling: 14.5 (514) - 14.5 (514)
Heating: 14.4 (507) - 14.4 (507)
Heating: 14.4 (507) - 14.4 (507)
Cooling: 16.3 (577) - 16.3 (577)
Heating: 15.9 (563) - 15.9 (563)
Heating: 15.9 (563) - 15.9 (563)
Hi m
3
/min (ft
3
/min)
Cooling: 16.4 (579) - 16.4 (579)
Heating: 17.1 (604) - 17.1 (604)
Heating: 17.1 (604) - 17.1 (604)
Cooling: 18.6 (657) - 18.6 (657)
Heating: 20.0 (706) - 20.0 (706)
Heating: 20.0 (706) - 20.0 (706)
Indoor Airflow
SHi m
3
/min (ft
3
/min)
Cooling: 17.3 (612) - 17.3 (612)
Cooling: 20.5 (723) - 20.5 (723)
Lo m
3
/min (ft
3
/min)
29.9 (1056) - 31.9 (1126)
29.9 (1056) - 31.9 (1126)
Outdoor Airflow
Hi m
3
/min (ft
3
/min)
53.0 (1870) - 54.0 (1906)
53.0 (1870) - 54.0 (1906)
Control Device
Capillary Tube
Capillary Tube
Refrigerant Oil
cm
3
FV50S (670)
FV50S (1130)
Refrigeration
Cycle
Refrigerant Type
g (oz)
R410A, 1.64k (57.8)
R410A, 2.03k (71.7)
Height(I/D / O/D)
mm (inch)
290 (11-7/16)
695 (27-3/8)
290 (11-7/16)
695 (27-3/8)
Width (I/D / O/D)
mm (inch)
1070 (42-5/32)
875 (34-15/32)
1070 (42-5/32)
875 (34-15/32)
Dimension
Depth (I/D / O/D)
mm (inch)
240 (9-15/32)
320 (12-5/8)
240 (9-15/32)
320 (12-5/8)
Weight
Net (I/D / O/D)
kg (lb)
11 (24)
51 (112)
12 (26)
61 (135)
Pipe Diameter (Liquid / Gas)
mm (inch)
6.35 (1/4) / 12.70 (1/2)
6.35 (1/4) / 15.88 (5/8)
Standard length
m (ft)
5.0 (16.4)
5.0 (16.4)
Length range (min – max)
m (ft)
3 (9.8) ~ 25 (82.0)
3 (9.8) ~ 25 (82.0)
I/D & O/D Height different
m (ft)
20 (65.6)
20 (65.6)
Additional Gas Amount
g/m (oz/ft)
20 (0.2)
30 (0.3)
Piping
Length for Additional Gas
m (ft)
7.5 (24.6)
7.5 (24.6)
Inner Diameter
mm
16.7
16.7
Drain Hose
Length mm
650
650
Fin Material
Aluminium (Pre Coat)
Aluminium (Pre Coat)
Fin Type
Slit Fin
Slit Fin
Row x Stage x FPI
2 x 15 x 17
2 x 15 x 17
Indoor Heat
Exchanger
Size (W x H x L)
mm
810 x 315 x 25.4
810 x 315 x 25.4
Fin Material
Aluminium (Blue Coated)
Aluminium (Blue Coated)
Fin Type
Corrugate Fin
Corrugate Fin
Row x Stage x FPI
2 x 26 x 17
2 x 26 x 17
Outdoor Heat
Exchanger
Size (W x H x L)
mm
44 x 660.4 x 796.7:831.3
44 x 660.4 x 796.7:831.3
Material
Polypropelene
Polypropelene
Air Filter
Type
One-touch
One-touch
Power Supply
Indoor
Indoor
Power Supply Cord
A
16
20
Thermostat
-
-
Protection Device
-
-
Dry Bulb
Wet Bulb
Dry Bulb
Wet Bulb
Maximum
32 23 32 23
Cooling
Minimum
16 11 16 11
Maximum
30 - 30 -
Indoor Operation
Range
Heating
Minimum
16 - 16 -
Maximum
43 26 43 26
Cooling
Minimum
16 11 16 11
Maximum
24 18 24 18
Outdoor
Operation
Range
Heating
Minimum
-5 -6 -5 -6
1.
Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air
temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb)
temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb)
2.
Heating capacities are based on indoor temperature of 20°C Dry Bulb (68°F Dry Bulb) and outdoor air temperature of 7°C Dry Bulb (44.6°F
Dry Bulb), 6°C Wet Bulb (42.8°F Wet Bulb)
Dry Bulb), 6°C Wet Bulb (42.8°F Wet Bulb)
3.
Specifications are subjected to change without prior notice for further improvement.
11
3. Features
E-ion Air Purifying System with Patrol Sensor
o Active e-ions are released to catch dust particles and bring them back the large positively charged filter.
o Patrol Sensor color changes to indicate the dirt level in the air
o Patrol Sensor color changes to indicate the dirt level in the air
Long Installation Piping
o CS/CU-W7NK, CS/CU-W9NK long piping up to 10 meters.
o CS/CU-W12NK, long piping up to 15 meters.
o CS/CU-W18NK, CS/CU-W24NK long piping up to 25 meters.
o CS/CU-W12NK, long piping up to 15 meters.
o CS/CU-W18NK, CS/CU-W24NK long piping up to 25 meters.
Easy to use remote control
Quality
Improvement
o Random auto restart after power failure for safety restart operation
o Gas
o Gas
leakage
protection
o Prevent compressor reverse cycle
o Inner protector to protect compressor
o Noise prevention during soft dry operation
o Blue coated condenser for high resistance to corrosion
o Inner protector to protect compressor
o Noise prevention during soft dry operation
o Blue coated condenser for high resistance to corrosion
Operation
Improvement
o Quiet mode to reduce the indoor unit operating sound
o Powerful mode to reach the desired room temperature quickly
o 24-hour timer setting
o Powerful mode to reach the desired room temperature quickly
o 24-hour timer setting
12
4. Location of Controls and Components
4.1 Indoor
Unit
4.2 Outdoor
Unit
4.3 Remote
Control
Click on the first or last page to see other CS-W7NKD / CS-W9NKD / CS-W12NKD / CS-W18NKD / CS-W24NKD / CU-W7NKD / CU-W9NKD / CU-W12NKD / CU-W18NKD / CU-W24NKD service manuals if exist.