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

Models: MUZ-FD09NA MUZ-FD09NA- U1 MUZ-FD12NA- U1 MUZ-FD12NA

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

Contents

PARTS CATALOG OBB498 CONTENTSR410A Wireless type ModelsPage MUZ-FD09NA MUZ-FD12NA MUZ-FD09NA- MUZ-FD12NA 1 TECHNICAL CHANGES2 PART NAMES AND FUNCTIONS MUZ-FD09NA MUZ-FD12NAMUZ-FD12NA SPECIFICATIONMUZ-FD09NA 2 OPERATION 1 POWER SUPPLYTest condition OPERATING RANGEMUZ-FD09NA MUZ-FD12NA 4 OUTLINES AND DIMENSIONSREQUIRED SPACE ormore5 WIRING DIAGRAM MUZ-FD09NA MUZ-FD12NAMUZ-FD12NA REFRIGERANT SYSTEM DIAGRAMMUZ-FD09NA ADDITIONAL REFRIGERANT CHARGE R410A ozDATA MUZ-FD09NA MUZ-FD12NAMUZ-FD12NA 7-2.PERFORMANCE CURVE CoolingMUZ-FD09NA HeatingMUZ-FD12NA 7-3.CONDENSING PRESSURE CoolingMUZ-FD09NA Data is for heating operation without any frost MSZ-FD12NA 7-4.STANDARD OPERATION DATAMSZ-FD09NA MSZ-FD09NAMUZ-FD09NA MUZ-FD12NA8-1.OUTDOOR FAN MOTOR CONTROL 8 ACTUATOR CONTROLMUZ-FD09NA MUZ-FD12NA 8-2.R.V. COIL CONTROLMUZ-FD09VA MUZ-FD12VA 9 SERVICE FUNCTIONS10 TROUBLESHOOTING MUZ-FD09NA MUZ-FD12NA10-2.FAILURE MODE RECALL FUNCTION Operational procedure 3. Outdoor unit failure mode table 10-3.TROUBLESHOOTING CHECK TABLE Symptom Part name C Check of compressor A How to check inverter/ compressorB Check of open phase 10-5.TROUBLESHOOTING FLOWF Check of compressor start failure D Check of compressor windingE Check of compressor operation time POWER lamp flashes 6-time G Check of outdoor thermistorsH Check of R.V. coil The thermistors in the outdoor unit are abnormalOutdoor fan motor does not operate J Check of power supplyI Check of outdoor fan motor Inverter does not operateK Check of LEV Expansion valve Heating/Cooling does not work sufficientlyL Check of inverter P.C. board Turn OFF the power supply Is the unit grounded? Yes MUZ-FD12NA 10-6.TEST POINT DIAGRAM AND VOLTAGEMUZ-FD09NA 1. Inverter P.C. board11-1. MUZ-FD09NA MUZ-FD12NA 11 DISASSEMBLY INSTRUCTIONSOPERATING PROCEDURE PHOTOSground wire OPERATING PROCEDUREPhoto 4 inverter assembly PHOTOS5. Removing outdoor fan motor OPERATING PROCEDUREPHOTOS PhotoPage Distributed in Jan. 2008. No. OBH498 Specifications subject to change without noticeNew publication, effective Jan Made in Japan