CW-C71YE, CW-C91YE - Panasonic Air Conditioner Service Manual (repair manual)

cw-c71ye, cw-c91ye service manual
Model
CW-C71YE CW-C91YE
Pages
16
Size
4.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
cw-c71ye-cw-c91ye.pdf
Date

Read Panasonic CW-C71YE / CW-C91YE 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-C71YE
CW-C91YE
 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
Room Air Conditioner
CONTENTS
 Page 
Page
Order No. MAC0107029C2
Model
CW-C71YE
CW-C91YE
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
2.65 - 2.64 kW
9,040 - 9,000 Btu/h
Running Current
4.0 - 3.8 A
4.5 - 4.4 A
Input Power
770 - 730 W
1,010 - 935 W
EER
2.68 - 2.82 W/W
2.62 - 2.82 W/W
Starting Current
15.6 A
16.9 A
Compressor Output 550 W
750 W
Fan Motor Output
51 W
51 W
Noise Level
Indoor (High / Low):
48 / 44 - 47 / 42 dB(A)
(61 Power dB)
Outdoor (High / Low):
57 / 51 - 55 / 50 dB(A)
(69 Power dB)
Indoor (High / Low):
48 / 44 - 47 / 43 dB(A)
(61 Power dB)
Outdoor (High / Low):
58 / 54 - 57 / 53 dB(A)
(69 Power dB)
Item
All listed models
A (Width)
17-23/32” (450 mm)
B (Height)
13-5/8” (346 mm)
C (Depth)
22-27/32” (580 mm)
D
21-1/4” (540 mm)
E
5-21/32” (144 mm)
F
6-1/32” (153 mm)
G
1-31/32” (50 mm)
H
3-27/32” (98 mm)
I
1-3/16” (30 mm)
Model
CW-C71YE
CW-C91YE
Power Level
Indoor: 59 dB(A)
Outdoor: 69 dB(A)
Indoor: 61 dB(A)
Outdoor: 69 dB(A)
Moisture Removal
1.3 Ltr/h
2.7 Pint/h
1.6 Ltr/h
3.4 Pint/h
Air Circulation
7.4 m3/min.
260 Ft3/min.
7.4 m3/min.
260 Ft3/min.
Dimensions
Height: 13-5/8 inches
(346 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-27/32 inches
(580 mm)
Height: 13-5/8 inches
(346 mm)
Width: 17-23/32 inches
(450 mm)
Depth: 22-27/32 inches
(580 mm)
Net Weight
31 kg
68 Ib
34 kg
75 Ib
Refrigerant (R-22)
520 g
18.4 oz
480 g
16.9 oz
Note: Specifications are subject to change without notice for further
improvement.
Item
All listed models
J
3-27/32” (98 mm)
K
1-9/16” (40 mm)
L
9-7/32” (234 mm)
M
3-27/32” (98 mm)
N
2-31/32” (75 mm)
O
1-11/16” (43 mm)
P
3-17/32” (90 mm)
Q
0-29/32” (23 mm)
R
10-11/32” (263 mm)
1 Product Specification
2 Dimensions
2.1. Top View, Front View & Side View
2.2. Unit
2
CW-C71YE / CW-C91YE
3 Wiring Diagram
3.2. Resistance of Fan Motor
windings and the rated
Capacitor.
Model
CW-C71YE
CW-C91YE
Connection
CWA921087
CWA921087
Blue - Yellow
86.8
.
86.8
.
Yellow - Orange
63.5
.
63.5
.
Red - Yellow
151.9
.
151.9
.
Capacitor
CWA31607
(2.3µF, 400VAC).
CWA31607
(2.3µF, 400VAC).
3.3. Resistance of Compressor
windings and the rated
Capacitor.
Model
CW-C71YE
CW-C91YE
Connection
2RS122D5AA04
2RS122D5AA04
C-R
4.023
4.023
C-S
8.803
8.803
Capacitor
CWA312113
(15µF, 400VAC)
DS371256CPNA
(25µF, 370VAC)
Note: Resistance at 20°C of Ambient Temperature.
3.1. 
3
CW-C71YE / CW-C91YE
4.2. CW-C71YE
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).
4.3. CW-C91YE
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).
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.
     • 
• 
• 
• 
Improve heat radiation.
     • 
• 
• 
• 
Under 8°C (14.4°F)
     • 
• 
• 
• 
Higher than specified.
     • 
• 
• 
• 
Something is preventing heat
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.
     • 
• 
• 
• 
Locate repair leak.
     • 
• 
• 
• 
Flush refrigeration cycle.
     • 
• 
• 
• 
Under 8°C (14.4°F)
     • 
• 
• 
• 
Higher than specified by
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.
     • 
• 
• 
• 
Supply Voltage
     • 
• 
• 
• 
Fuse Box or Circuit
Breaker.
     • 
• 
• 
• 
Power cord or
Wiring Harness.
     • 
• 
• 
• 
Thermostat Setting.
     • 
• 
• 
• 
Less than 10% by
Rated.
     • 
• 
• 
• 
Open Contacts.
     • 
• 
• 
• 
Pulled loose or
Shorted.
     • 
• 
• 
• 
Higher than room
temp.
     • 
• 
• 
• 
Temporary or Permanent?
     • 
• 
• 
• 
Customer Restarted unit
immediately without waiting
3 minutes.
     • 
• 
• 
• 
Consult ELECTRICIAN, If
permanent.
     • 
• 
• 
• 
Repair Open Circuit.
     • 
• 
• 
• 
WAIT FOR 3 MINUTES.
     • 
• 
• 
• 
Repair or Replace it.
     • 
• 
• 
• 
Set it LOWER.
4
CW-C71YE / CW-C91YE
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Here you can read online and download Panasonic CW-C71YE / CW-C91YE Service Manual in PDF. CW-C71YE / CW-C91YE service manual will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic CW-C71YE / CW-C91YE Air Conditioner. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.