Panasonic Cw Xc91yh Repair Manual

							12.1. Removal of the Control Board
 1. Removal of the Front Intake Grille (refer to page 17).
 2. Remove the Air Filter (refer to page 17).
 3. Remove the 3 screws from the Front Grille.
 4. Remove the 3 screws from the Control Board (Front).
Release the earth wire (Yellow-Green) screw.
 5. Release 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 .
12 Service Information
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							13 Exploded View
(Note)
 
    • 
• •  • The above explode d view is for the purpose of parts disassembly and replacement.
 
    • 
• •  • The non-numbered parts are not kept as standard service parts.
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							14 Replacement Part List
Ref. No.Part Name & DescriptionQty.CW-XC91YHRemarks100Base Pan Complete1CWD52K288A101Bulkhead Complete1CWD53C1012102Air Guide - Propeller Fan1CWD31146103Bracket - Fan Motor1CWD54C1005106Top Plate1CWD64C1015109Drain Tray - Evaporator1CWH40215112Holder - Ventilation Lever1CWD91055113Ventilation Lever1CWH22031117Vane - Air Swing1CWE24330120Blower Wheel Complete1CWH01K069121Propeller Fan1CWH00052122Nut - Propeller Fan1CWH56032123Holder - Air Swing Motor1CWD911015124Holder - Capacitor (Compressor)1CWH301003125Control Board (Main)1CWH102023127Holder - Sensor (Pipe)1CWH32142128Holder - Sensor1CWH32085129Drain Plug - Base Pan1CWH4611062130Chassis Locking Bracket (Left)1CWD932018130-AChassis Locking Bracket (Right)1CWD932019135Air Guide - Blower Wheel1CWD321038144Air Guide - Blower Wheel (Front)1CWD32170145Supporter - Air Swing1CWD931053200Compressor12PS156D5EA02201Bushing - Compressor Mount3CWH50072202Nut - Compressor Mount3CWH56000203Gasket - Terminal Cover1CWH7070603204Spring Holder - Overload Protector1CWH7041200205Terminal Cover - Compressor1CWH7070205U206Gasket - Nut (Washer)1CWH7070601207Nut - Terminal Cover1CWH7080300210Condenser1CWB32C1002211Strainer1CWB11025212Capillary Tube1CWB15K1064220Evaporator1CWB30C1170300Fan Motor1CWA921091301Overload Protector1CWA121067303Capacitor - Compressor1DS371306CPNA
(25µF, 370VAC)
304Main Control Switch1K0ABKH000003308Sensor Complete1CWA50C2031309Transformer complete1CWA40C237311Power Supply Cord1CWA20C2068312Air Swing Motor1CWA98161313Fuse1XBACW067328Electronic Controller (Main)1CWA741568329Electronic Controller (Indicator)1CWA742274330Remote Control Complete1CWA75C2203500Front Grille Complete1CWE11C2442501Air Filter1CWD00251503Intake Grille1CWE221048504Catcher1CWH60060505Vane12CWE241045507Link - Vanes1CWE261038508Control Panel1CWE312158600Cabinet Complete1CWE00C1043610Drain Pan1CWH40175702Screw - Bracket Fan Motor4CWH55101703Screw - Blower Wheel1CWH4580326707Screw - Front Grille Mount1CWH82C1027710Screw - Drain Pan1CWG86C733711Screw - Chassis Locking Bracket1XTN4+8C712Screw - Unit Installation1CWG86C280715Operating Instructions1CWF563377
 
    • 
• •  • The above parts are kept for seven years in accordance with MEI service policy.
 
    • 
• •  • However, longer lead timewill be taken in supplyi ng the non-numbered parts.
 
    • 
• •  • All parts are supplie d from MAICO,Malaysia (Vendor Code: 061).
 
    • 
• •  • (A): Optional part.
 
    • 
• •  • (B): Supplie d through sales route.
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							15 Electronic Circuit / Indicator Complete
16 Electronic Circuit / Main
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    • 
• •  • Cooling
 
    • 
• •  • Cooling Characteristics Vs. Outdoor Temperature.
 
    • 
• •  • Soft Dry
17 Technical Data
17.1. Thermostat Characteristics.
17.2. Operation Characteristics.
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							18 Electronic Circuit Diagram
18.1. Electronic Circuit Diagram (Main Unit).
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							27
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							Before using the circuit diagram, read the followin g carefully.
 
    • 
• •  • Voltage measurement
Voltage has been measured with a digital tester when the
fan is set at high fan speed under the followin g conditio ns
without setting the timer.
Use them for servicing.
Voltage indication is in red.
Intake air
temperatureTemperature
settingDischarge air
temperaturePipe
temperature
Cooling27°C16°C17°C15°C
 
    • 
• •  • Indicatio ns 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%
 
    • 
• •  • Indicatio ns 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...MA 165
 
    • 
• •  • Circuit Diagram is subject to change without notice for
further develop ment.
18.2. Electronic Circuit Diagram (Remote Control).
18.3. How to use electronic circuit diagram.
18.4. 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.
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CW-XC91YH
[MAICO] Printed in Malaysia