Read Panasonic CW-C72KD / CW-C92KD Service Manual online
1
Product Specification
2
2
Dimensions
2
3
Wiring Diagram
3
4
Refrigeration Cycle Diagram
4
5
Air Conditioner Performance Evaluation
4
6
Troubleshooting Guide
4
7
Operating Instructions
6
CW-C72KD
CW-C92KD
CW-C92KD
8
How to Install
8
9
Care and Maintenance
11
10 Service Information
12
11 Technical Data
13
12 Exploded View
15
13 Replacement Part List
16
Air Conditioner
CONTENTS
Page Page
Order No.RAC0501001C2
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigeration circuit.
®
Model
CW-C72KD
CW-C92KD
Phase
Single
Single
Voltage
230 - 220 V
230 - 220 V
Frequency
50 Hz
50 Hz
Cooling Capacity
2.06 - 2.06 kW
7,000 - 7,000 Btu/h
7,000 - 7,000 Btu/h
2.60 - 2.58 kW
8,840 - 8,800 Btu/h
8,840 - 8,800 Btu/h
Running Current
4.3 - 4.1 A
4.6 - 4.6 A
Input Power
840 - 800 W
1,030 - 980 W
EER
2.45 - 2.58 W/W
2.52 - 2.63 W/W
Starting Current
15.6 A
16.9 A
Compressor Output 550 W
750 W
Fan Motor Output
45 W
45 W
Noise Level
Indoor (High / Low):
48 / 44 - 47 / 42 dB(A)
(61 - 60 Power dB)
Outdoor (High / Low):
57 / 51 - 56 / 50 dB(A)
(69 -68 Power dB)
48 / 44 - 47 / 42 dB(A)
(61 - 60 Power dB)
Outdoor (High / Low):
57 / 51 - 56 / 50 dB(A)
(69 -68 Power dB)
Indoor (High / Low):
48 / 44 - 47 / 43 dB(A)
(61 - 60 Power dB)
Outdoor (High / Low):
58 / 54 - 57 / 53 dB(A)
(69 - 68 Power dB)
48 / 44 - 47 / 43 dB(A)
(61 - 60 Power dB)
Outdoor (High / Low):
58 / 54 - 57 / 53 dB(A)
(69 - 68 Power dB)
Model
CW-C72KD
CW-C92KD
Power Level
Indoor: 61 dB(A)
Outdoor: 69 dB(A)
Outdoor: 69 dB(A)
Indoor: 61 dB(A)
Outdoor: 69 dB(A)
Outdoor: 69 dB(A)
Moisture Removal
1.2 Ltr/h
2.5 Pint/h
2.5 Pint/h
1.5 Ltr/h
3.2 Pint/h
3.2 Pint/h
Air Circulation
10.68 m3/min.
374 Ft3/min.
374 Ft3/min.
11.34 m3/min.
397 Ft3/min.
Dimensions
Height: 13-25/32 inches
(350 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-5/8 inches
(575 mm)
(350 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-5/8 inches
(575 mm)
Height: 13-25/32 inches
(350 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-5/8 inches
(575 mm)
(350 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-5/8 inches
(575 mm)
Net Weight
35 kg
77 Ib
77 Ib
35 kg
77 Ib
77 Ib
Refrigerant (R-22)
480 g
16.9 oz
16.9 oz
550 g
19.4 oz
19.4 oz
Note: Specifications are subject to change without notice for further
improvement.
improvement.
1 Product Specification
2 Dimensions
2.1. Top View, Front View & Side View
Item
All listed models
A (Width)
17-23/32” (450 mm)
B (Height)
13-25/32” (350 mm)
C (Depth)
22-5/8” (575 mm)
D
20-7/8” (530 mm)
E
5-1/32” (128 mm)
F
6-17/32” (166 mm)
G
1-9/16” (40 mm)
H
9-21/32” (245 mm)
Item
All listed models
I
1-11/16” (43 mm)
J
8-9/16” (218 mm)
K
4-13/32” (112 mm)
L
0-21/32” (17 mm)
M
4-13/32” (112 mm)
N
2-25/32” (71 mm)
O
1-3/32” (28 mm)
P
10-11/32” (263 mm)
2.2. Unit
2
Item
3 Wiring Diagram
3.2. Resistance of Fan Motor
windings and the rated
Capacitor.
Capacitor.
Model
CW-C72KD
CW-C92KD
Connection
CJ45G
CJ45D
Main Resistance
102.7-154.1
Ω
.
102.7-154.1
Ω
.
Aux Resistance
74.8-112.2
Ω
.
101.0-151.6
Ω
.
Capacitor
CWR33010027
(3µF, 450VAC).
CWR33010028
(3.5µF, 450VAC).
3.3. Resistance of Compressor
windings and the rated
Capacitor.
Capacitor.
Model
CW-C72KD
CW-C92KD
Connection
2P14S225ANC
2P17C225CNB
Main Resistance
3.863
Ω
2.988
Ω
Aux Resistance
3.309
Ω
3.824
Ω
Capacitor
CWR33010063
(30µF, 450VAC)
CWR33010063
(30µF, 450VAC)
Note: Resistance at 20°C of Ambient Temperature.
3.1.
3
4.2. CW-C72KD
Item
Pressure (MPa)
Temperature (°C)
A
1.86 ~ 2.06
70 ~ 85
B
1.81 ~ 2.01
31 ~ 41
C
0.59 ~ 0.66
8 ~ 14
D
0.54 ~ 0.59
13 ~ 21
Note: Indoor temperature at 27°C (DB), 19°C (WB) and Outdoor at
35°C (DB), 24°C (WB).
35°C (DB), 24°C (WB).
4.3. CW-C92KD
Item
Pressure (MPa)
Temperature (°C)
A
1.96 ~ 2.22
71 ~ 89
B
1.91 ~ 2.06
35 ~ 45
C
0.56 ~ 0.63
7 ~ 12
D
0.50 ~ 0.56
6 ~ 14
Note: Indoor temperature at 27°C (DB), 19°C (WB) and Outdoor at
35°C (DB), 24°C (WB).
35°C (DB), 24°C (WB).
4 Refrigeration Cycle Diagram
4.1.
5 Air Conditioner Performance Evaluation
Intake & Discharge Air
Temperature Difference
Current Drain
Determination
Remedy
•
•
•
•
8°C and over (14.4°F)
•
•
•
•
As specified.
•
•
•
•
Nothing wrong.
•
•
•
•
None.
•
•
•
•
8°C and over (14.4°F)
•
•
•
•
Higher than specified.
•
•
•
•
Nothing wrong, outdoor
temperature is too high, heat
radiation is not efficient.
temperature is too high, heat
radiation is not efficient.
•
•
•
•
Improve heat radiation.
•
•
•
•
Under 8°C (14.4°F)
•
•
•
•
Higher than specified.
•
•
•
•
Something is preventing heat
radiation.
radiation.
•
•
•
•
Excessive amount of refrigerant.
•
•
•
•
Improve heat radiation.
•
•
•
•
Under 8°C (14.4°F)
•
•
•
•
Lower than specified.
•
•
•
•
Leakage of refrigerant or
refrigerant system is blocked.
refrigerant system is blocked.
•
•
•
•
Locate repair leak.
•
•
•
•
Flush refrigeration cycle.
•
•
•
•
Under 8°C (14.4°F)
•
•
•
•
Higher than specified by
50%.
50%.
•
•
•
•
Compressor defect.
•
•
•
•
Replace the compressor.
Note: Room air humidity is relatively higher, the temperature difference will be smaller.
6 Troubleshooting Guide
Warning: Disconnect unit from electrical power supply before making any electrical checks.
Trouble
Check
Result
Cause
Remedy
Fan Motor and Compressor
won’t run.
won’t run.
•
•
•
•
Supply Voltage
•
•
•
•
Fuse Box or Circuit
Breaker.
Breaker.
•
•
•
•
Power cord or
Wiring Harness.
Wiring Harness.
•
•
•
•
Thermostat Setting.
•
•
•
•
Less than 10% by
Rated.
Rated.
•
•
•
•
Open Contacts.
•
•
•
•
Pulled loose or
Shorted.
Shorted.
•
•
•
•
Higher than room
temp.
temp.
•
•
•
•
Temporary or Permanent?
•
•
•
•
Customer Restarted unit
immediately without waiting
3 minutes.
immediately without waiting
3 minutes.
•
•
•
•
Consult ELECTRICIAN, If
permanent.
permanent.
•
•
•
•
Repair Open Circuit.
•
•
•
•
WAIT FOR 3 MINUTES.
•
•
•
•
Repair or Replace it.
•
•
•
•
Set it LOWER.
4