Black & Decker MUZ-FD12NA- U1, MUZ-FD09NA- U1 manual

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Black & Decker MUZ-FD12NA- U1, MUZ-FD09NA- U1 service manual

Contents

MUZ-FD09NA MUZ-FD09NA- U1 MUZ-FD12NA MUZ-FD12NA- U1 Page Part Names and Functions Technical Changes MUZ-FD09NA MUZ-FD12NA Specification Operating Range Test condition Required Space Outlines and Dimensions Wiring Diagram MAX. Refrigerant Piping Length and MAX. Height Difference Refrigerant System Diagram Data MUZ-FD09NA Performance Curve CoolingMUZ-FD09NA MUZ-FD12NA Heating Condensing pressure Condensing Pressure Cooling 65 70F MSZ-FD09NA MSZ-FD12NA Standard Operation Data Correction of Heating capacity Test RUN Operation How to operate fixed-frequency operation Relation Between Main Sensor and Actuator Actuator ControlOutdoor FAN Motor Control R.V. Coil Control PRE-HEAT Control Setting Service FunctionsTroubleshooting Change in Defrost Setting OFF Failure Mode Recall Function Operational procedure Outdoor unit failure mode table Troubleshooting Check Table Page WHT RED Trouble Criterion of Main Parts MUZ-FD09NAMUZ-FD12NA Check of compressor How to check inverter/ compressorCheck of open phase Troubleshooting Flow Check of compressor start failure Check of compressor windingCheck of compressor operation time Check of R.V. coil Unit operates Cool mode even if it is set to Heat modeUnit operates Heat mode even if it is set to Cool mode Check of outdoor thermistors Check of outdoor fan motor Check of power supply Check of LEV Expansion valve Emergency Operation Check of inverter P.C. boardPage Outdoor unit Electromagnetic noise enters into TV sets or radios Inverter P.C. board Test Point Diagram and Voltage Removing the cabinet Photo Disassembly Instructions Removing R.V. coil Removing the inverter assembly, inverter P.C. board PhotoPhoto 4 inverter assembly Photo Removing the discharge temperature thermistor Removing the compressor and 4-way valve Removing outdoor fan motor PhotoPage New publication, effective Jan