New publication, effective Jan | Black & Decker MUZ-FD12NA instruction

TM

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

Copyright 2008 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD	New publication, effective Jan. 2008
Distributed in Jan. 2008. No. OBH498 7	New publication, effective Jan. 2008
Made in Japan	Specifications subject to change without notice.

Image 36

Black & Decker MUZ-FD12NA- U1, MUZ-FD09NA- U1 service manual New publication, effective Jan

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 Performance Curve Cooling MUZ-FD09NA MUZ-FD12NAHeating 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 Actuator Control Outdoor FAN Motor ControlR.V. Coil Control Relation Between Main Sensor and Actuator Service Functions TroubleshootingChange in Defrost Setting 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 How to check inverter/ compressor Check of open phaseTroubleshooting Flow Check of compressor Check of compressor winding Check of compressor operation timeCheck of compressor start failure Unit operates Cool mode even if it is set to Heat mode Unit operates Heat mode even if it is set to Cool modeCheck of outdoor thermistors 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 Removing the inverter assembly, inverter P.C. board Photo Photo 4 inverter assemblyPhoto Removing the discharge temperature thermistor Removing R.V. coil Removing outdoor fan motor Photo Removing the compressor and 4-way valvePage New publication, effective Jan