Panasonic Cw Xc70ja Cw Xc90ja Repair Manual

 4. Slide the chassis back into the cabinet. Reinstall the cabinet
to the chassis by using screws.
11.8. Noise Consideration
 • Select an installation location that can support the weight of
the air conditioner and one that will not cause increased
operating noise and vibration.
 • Ensure that airflow and noise from the rear side of the unit
(outdoor) when installed do not disturb neighboring
residents. • Obstacles placed in front of the air outlet on the rear side of
the unit (outdoor), or coversplaced...

 1. Remove the screws in front and both sides of the chassis
as indicated (1), (2) and (3).
 2. Release the tabs at both sides of the front grille (push in the
cabinet and pull out the grille).Then, pull up the grille as to
release another two tabs at the top side of the grille.
 3. Release the temperature sensor from its holder (1) and pull
out the wire from the bushing at the cabinet (2).
 4. Pull out the unit from cabinet by holding the hand grip at the
base pan. Remove two screws in front of the...

 7. Pull out the control board as shown in figure. Then remove
the screw as indicated (1).
 8. Release a hook as shown in figure (1) to open up the
control board.
 • Control Board part location.
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14.2.1. CW-XC70JA
 • Cooling Characteristics Vs. Outdoor Temperature.
14.2.2. CW-XC90JA
 • Cooling Characteristics Vs. Outdoor Temperature.
14 Technical Data
14.1. Thermostat Characteristics
14.1.1. CW-XC70JA & CW-XC90JA
 • Mechanical Thermostat (Cooling).
14.2. Operation Characteristics
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15 Electronic Circuit / Main
16 Electronic Circuit / Indicator Complete
25 

17 Electronic Circuit Diagram
17.1. Electronic Circuit Diagram (Main Unit)
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27 

Before using the circuit diagram, read the following carefully.
Intake air
temperatureTemperature
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...

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.
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19 Replacement Part List
Ref. No.Part Name & DescriptionQty.CW-XC70JACW-XC90JARemarks100Base Pan Assembly1CWD52K1058AL