Panasonic Cw Xc181ea Cw Xc241ea Repair Manual

							11.3.7. Insert the Air Filter.
11.4.1. Remove the Front Intake Grille.
 
    • 
• •  • Raise the Front Intake Grille by approximately 90°. Slide it
to the left to unhinge then pull outwards.
11.4.2. Remove the Air Filter.
 
    • 
• •  • Lift the air filter by the holder and pull outwards.
11.3.8. Attach the Front IntakeGrille.
 
    • 
• •  • Slide the Front Intake Grille slightly to the right to attach it,
then push down to secure it.
11.4.3. Remove the Front Grille.
 1. Press inward on the Cabine t near the bottom right side of
the Front Grille while pulling the Front Grille to the right then
slightly towards you to release the right tab.
 2. Press inward on the Cabine t near the bottom left side of the
Front Grille while pulling the Front Grille to the left then
slightly towards you to release the left tab.
 3. Slide the Front Grille upwards to release the two top tabs.
Note:When performing thefollowing steps, do not pull the
bottom edge of the Front Grille towards you more than 3 inches
or you may damage the top tabs.
11.5. Condensed Water Drainage.
This air conditioner employ s a “Slinger-Up System” which is
designed to splash the condensed water on the condenser coil
for maximum cooling efficien cy, thus producing a splashing
sound. If the splashing sound annoys you, you can provide an
outside drainage by using the following procedure which may,
however, cause a small loss of performance.
Note: If the unit is installe d at coastal area, drainage of
condensed water is recommende d to prevent the condenser
being corroded easily.
 1. Slide the Chassis outfrom the Cabine t.
 2. Remove the rubber plug from the Base Pan.
11.4. Removal of the Front Grille.
21
CW-XC18 1EA / CW-XC2 
						

							 3. Install the Drain Pan at the right corner of the Cabine t with
2 screws.
12.1. Cleaning the Unit.
Clean the Cabine t, Front Grille with a mild soap or detergent
and lukewarm water.
12.2. Cleaning the Front Intake
Grille.
Gently wash with water and a sponge. (Do not use a scrubbing
brush or other hard cleanin g aids).
 4. Conne ct the drain hose to the outlet of Drain Pan bottom.
 5. Slide the Chassis back into the Cabine t.
Note: Drain hose or tubing can be purchased locally to satisfy
your particular needs.
12.3. Cleaning the Air Filter.
 1. Remove the Front Intake Grille.
 2. Tilt up and pull out the Air Filter by the holder.
 3. Vacuum the front of the filter and then wash the back of it
with water. If it is badly soiled, wash with a mild household
detergent.
12 Care and Maintenance
Caution: Always turn off the air conditioner and the mainpower supply before unplugging thepower cord to clean the
unit.
Note: Do not cleanwithbenzene, thinner, scouring powder or corrosive chemicals. Do not dry the Front Intake Grille or
the Air Filter in direct sunlight. Exposure to direct sunlight may discolor or deform the panel.
22
CW-XC18 1EA / CW-XC24 1EA 
						

							 1. Remove the Front Intake Grille (refer to page 20).
 2. Remove the Air Filter (refer to page 20).
 3. Remove the Front Grille (refer to page 20).
 4. Remove the 3 screws from the Control Board (Front).
Releas e the earth wire (Yellow-Green) screw.
 5. Releas e the sensor thermostat from the holder sensor.
 6. Slide the Control Board (Main) outfrom the chassis.
 7. Press left and right side tab to release the Control Board
(Front).
 8. Electronic Controller (Indicator Complete) is attached inside
the Control Board (Front).
 
    • 
• •  • Control Board part location.
13 Servicing Information
13.1. Removal of the Control Board
23
CW-XC18 1EA / CW-XC2 
						

							14.2.1. CW-XC181EA.
14.2.1.1. Cooling Characteristics Vs.
Outdoor Temperature.14.2.2. CW-XC241EA.
14.2.2.1. Cooling Characteristics Vs.
Outdoor Temperature.
14 Technical Data
14.1. Thermostat Characteristics.
14.2. Operation Characteristics.
24
CW-XC18 1EA / CW-XC24 1EA 
						

							15 Electronic Circuit / Main
16 Electronic Circuit / Indicator Complete
25
CW-XC18 1EA / CW-XC2 
						

							17 Electronic Circuit Diagram
17.1. Electronic Circuit Diagram (Main Unit).
26
CW-XC18 1EA / CW-XC24 1EA 
						

							27
CW-XC18 1EA / CW-XC2 
						

							Before using the circuit diagram, read the following carefully.
 
    • 
• •  • Voltage measurement
Voltage has been measured with a digital tester when the
fan is set at high fan speed under the following conditions
without setting the timer.
Use them for servicing.
Voltage indication is in red.
Intake air
temperatureTemperatu re
settingDischarge air
temperaturePipe
temperature
Cooling27°C16°C17°C15°C
 
    • 
• •  • Indications for resistance
 
    − 
− −  − a. K...KΩ
b. W...WATT
c. M...MΩ
d. Not indicated...1/4W
 
    − 
− −  − Type
Not indicatedCarbon resistor
Tolerance (+-) 5%
Metal oxide resistor
Tolerance (+-) 1%
 
    • 
• •  • Indications for capacitor
Unit 
    − 
− −  − µ...µF
 
    − 
− −  − P...pF
Type 
    − 
− −  − Not indicated...ceramic capacitor
 
    − 
− −  − (S)...S series aluminium electrolytic capacitor
 
    − 
− −  − (Z)...Z series aluminium electrolytic capacitor
 
    − 
− −  − (SU)...SU series aluminium electrolytic capacitor
 
    − 
− −  − (K)...K series aluminium electrolytic capacitor
 
    − 
− −  − (P)...P series polyester system
 
    − 
− −  − (SXE)...SXE series aluminium electrolytic capacitor
 
    − 
− −  − (SRA)...SRA series aluminium electrolytic capacitor
 
    − 
− −  − (KME)...KME series aluminium electrolytic capacitor
 
    • 
• •  • Diode without indication...MA165
 
    • 
• •  • Circuit Diagram is subject to change without notice for
further development.
17.2. Electronic Circuit Diagram (Remote Control).
17.3. How to use electronic circuit diagram.
17.4. Timer Table
NameTimeTest Mode (Shortened CN-TEST pin)Remarks
Hour Timer1 hr.
10 min.
1 min.1 min.
10 sec.
1 sec.
Time delay Safety Control2 min. 58 sec.0 sec.
Forced Operation60 sec.0 sec.
Time Save Control7 min.42 sec.
Freeze Prevention Control3 min.0 sec.
Compressor Reverse Rotation Detection2 min.0 sec.
Starting Current Control1.6 sec.0 sec.
Powerful15 min.15 sec.
Auto Restart Control0 ~ 62 sec.0 ~ 6.2 sec.Add value to Time Delay Safety Control.
28
CW-XC18 1EA / CW-XC24 1EA 
						

							18 Exploded View
(Note)
 
    • 
• •  • The above exploded view is for the purpose of parts disassembly and replacement.
 
    • 
• •  • The non-numbered parts are not kept as standard service parts.
29
CW-XC18 1EA / CW-XC2 
						

							19 Replacement Part List
Ref. No.Part Name & DescriptionQty.CW-XC181EACW-XC241EA100Base Pan Complete1CWD52K1023ACWD52K1047A101Bulkhead Complete1CWD531007CWD53K1007102Air Guide - Propeller Fan1CWD311010CWD311011103Bracket - Fan Motor1CWD54091CWD54142106Top Plate1CWD64C1007CWD64C1008109Drain Tray - Evaporator1CWH401013