Panasonic Cs W7dkr Cs W9dkr Cs W7dkr Series Repair Manual
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13.2. Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling ModeHeating Mode Condition of the air conditonerLow PressureHigh PressureElectric current during operationLow PressureHigh PressureElectric current during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression • Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started. 13.3. Diagnosis Methods Of A Malfunction Of A Compressor And 4-way Valve Nature of faultSymptom • Electric current during operation becomes approximately 20% lower than the normal value. Insufficient compressing of a compressor • The discharge tube of the compressor becomes abnormally hot (normally 70 to 90°C). • The difference between high pressure and low pressure becomes almost zero. • Electric current reaches a high level abnormally, and the value exceeds the limit of an ammeter. In some cases, a breaker turns off. Locked compressor • The compressor is a humming sound. • Electric current during operation becomes approximately 80% lower than the normal value. Insufficient switches of the 4-way valve • The temperature different between from the discharge tube to the 4-way valve and from suction tube to the 4-way valve becomes almost zero. 71 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
14 Technical Data 14.1. Thermostat Characteristics 14.1.1. CS-W7DKR CS-W9DKR CS-W12DKR 72 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
14.2. Sensible Capacity Chart 14.2.1. CS-W7DKR 230VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C2.281.730.652.131.660.701.981.590.751.801.510.81 19.0°C2.300.71 19.5°C2.501.810.662.341.740.712.181.670.761.981.590.82 22.0°C2.731.880.672.551.810.732.371.740.782.161.660.84 240VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C2.281.730.662.131.660.711.981.590.761.801.510.82 19.0°C2.300.72 19.5°C2.501.810.672.341.740.722.181.670.771.981.590.83 22.0°C2.731.880.682.551.810.742.371.740.792.161.660.85 14.2.2. CS-W9DKR 230VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C2.732.070.782.551.980.842.371.910.902.161.810.97 19.0°C2.750.86 19.5°C2.992.170.802.802.080.862.602.000.922.371.910.99 22.0°C3.262.250.813.052.160.872.842.080.932.581.991.01 240VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C2.732.070.802.551.980.862.371.910.922.161.810.99 19.0°C2.750.88 19.5°C2.992.170.822.802.080.882.602.000.942.371.911.01 22.0°C3.262.250.833.052.160.892.842.080.962.581.991.03 14.2.3. CS-W12DKR 230VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C3.572.711.033.342.601.103.102.491.182.822.371.27 19.0°C3.601.12 19.5°C3.922.831.043.662.721.123.412.621.203.102.501.30 22.0°C4.272.941.063.992.831.143.722.731.223.382.601.32 240VOutdoor Temp. (°C) Indoor wet bulb temp.30354046 TCSHCIPTCSHCIPTCSHCIPTCSHCIP 17.0°C3.572.711.053.342.601.133.102.491.212.822.371.31 19.0°C3.601.15 19.5°C3.922.831.073.662.721.153.412.621.243.102.501.33 22.0°C4.272.941.093.992.831.183.722.731.263.382.601.36 TC - Total Cooling Capacity(kW)Indoor 27°C/19°C SHC - Sensible Heat Capacity(kW)Outdoor 35°C/24°C IP - Input Power(kW) 73 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
14.3. Operation Characteristics 14.3.1. CS-W7DKR CU-W7DKR 74 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
14.3.2. CS-W9DKR CU-W9DKR 75 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
14.3.3. CS-W12DKR CU-W12DKR 76 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
15 Exploded View (Indoor Unit) 15.1. CS-W7DKR CS-W9DKR CS-W12DKR 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. 77 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
16 Replacement Parts List (Indoor Unit) 16.1. CS-W7DKR CS-W9DKR CS-W12DKR REF. NO.PART NAME & DESCRIPTIONQTY.CS-W7DKRCS-W9DKRCS-W12DKRREMARKS1CHASSY COMPLETE1CWD50C1377←←2FAN MOTOR1CWA921181←←03CROSS FLOW FAN COMPLETE1CWH02C1031←←4BEARING ASS’Y1CWH64K007←←5SCREW - CROSS FLOW FAN1CWH4580304←←6EVAPORATOR1CWB30C1597←CWB30C15837FLARE NUT1CWT25086(1/4”)←←8FLARE NUT1CWT25087 (3/8”)←CWT25096 (1/2”)9HOLDER SENSOR1CWH32143←←10DISCHARGE GRILLE COMPLETE1CWE20C2366←←11VERTICAL VANE9CWE241150←←12CONNECTING BAR1CWE261066←←13CONNECTING BAR1CWE261070←←14AIR SWING MOTOR1CWA98260←←015LEAD WIRE - AIR SWING MOTOR1CWA67C3977←←16CAP - DRAIN TRAY1CWH521096←←17HORIZONTAL VANE1CWE241173←←18BACK COVER CHASSIS1CWD932454←←19CONTROL BOARD CASING1CWH102259A←←20TERMINAL BOARD COMPLETE1CWA28C2074←CWA28C2071021POWER SUPPLY CORD1CWA20C2159←←22ELECTRONIC CONTROLLER - MAIN1CWA743658CWA743656CWA743558024SENSOR COMPLETE1CWA50C2122←←025CONTROL BOARD FRONT COVER1CWH131195←←26INDICATOR COMPLETE1CWE39C1115←←027INDICATOR HOLDER1CWD932429←←28INDICATOR HOLDER1CWD932430←←29CONTROL BOARD TOP COVER1CWH131207←←30REMOTE CONTROL COMPLETE1CWA75C2604←←031FRONT GRILLE COMPLETE1CWE11C3125←←032INTAKE GRILLE1CWE22C1154←←33GRILLE DOOR1CWE141073←←34AIR FILTER2CWD001144←←35SCREW - FRONT GRILLE2XTT4+16C←←36CAP - FRONT GRILLE2CWH521109←←37DRAIN HOSE1CWH851063←←38INSTALLATION PLATE1CWH361067←←39BAG COMPLETE - INSTALLATION SCREW1CWH82C067←←40FULCRUM1CWH621046←←41ELECTRONIC CONTROLLER - IONIZER1CWA743675←←042CASING - IONIZER1CWD932464A←←43CASING - IONIZER1CWD932431A←←44ION GENERATOR1CWH94C0001←←45SUPERSONIC AIR PURIFYING DEVICE1CWH91C1013←←46ELECTRONIC CONTROLLER SUPERSONIC1CWA743874←←047SUPER ALLERU BUSTER FILTER1CWD00C1133←←48FRAME FR AIR FILTER SUPERSONIC1CWD011026←←49FRAME FR AIR FILTER SUPERSONIC1CWD011027←← (Note) • All parts are supplie d from PHAAM, Malaysia (Vendor Code: 061). • “O”marked parts are recommended to be kept in stock. 78 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
17 Exploded View (Outdoor Unit) 17.1. CU-W7DKR CU-W9DKR 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. 79 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR
17.2. CU-W12DKR 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. 80 CS-W7DKR CU-W7DKR / CS-W9DKR CU-W9DKR / CS-W12DKR CU- W12DKR