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

2

Image 2

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

Contents

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