Mitsubishi Electronics MUZ-GB50VA service manual Noise filter P.C. board

Page 32

2. Noise filter P.C. board

MUZ-GB50VA

CN901

 

 

To electronic

CN902

CN903

control

To power To power

P.C. board

board

board

{

 

{

CN912

R.V. coil { 230V AC

230V AC Output

NR64 VARISTOR F64 FUSE

F911 FUSE

2A/250V

1A/250V

230V AC Input

230V AC {Output

32

Image 32
Contents R410A Refrigerant OBR01 Contents Revised EDITION-ATechnical Changes MUZ-GA50VA E1SNB130FLDH SNB130FLDH1Specification AccessoriesPart Names and Functions MUZ-GB50VASpecifications and rating conditions of main electric parts Noise Criteria Curves Band OctaveOutlines and Dimensions MUZ-GB50VA Outdoor UnitWiring Diagram Outdoor Unit MUZ-GB50VARefrigerant System Diagram UnitmmCapacity and input curves Performance CurvesIndoor Unit Outdoor Unit Test RUN Operation How to operate fixed-frequency operation MUZ-GB50VACool operation MSZ-GB50VA MUZ-GB50VA Performance Data Cool operation Rated frequency 79HzOutdoor SHC SHF InputOutdoor DB Actuator Control Performance Data Heat operationOutdoor fan motor control R.V. coil controlTroubleshooting Relation between main sensor and actuator MUZ-GB50Failure mode recall function OFFOperational procedure Outdoor unit failure mode table Time flash Communication error Lighting Instruction of troubleshooting IndicatorOperation EmergencyTroubleshooting check table MUZ-GB50VA Operate Lightning Twice Outdoor power systemOnce Lighting Trouble criterion of main parts MUZ-GB50VA RED BLK BLK WHTWHT RED RED ORNHow to check inverter/ compressor Troubleshooting flowCheck of outdoor thermistors When heating operation does not work Check of R.V. coilCheck of power supply Check of outdoor fan motorCheck of current-limiting resistor Check of LEVParts side Electromagnetic noise enters into TV sets or radios Discharge temperature thermistor RT62 Noise filter P.C. board Outdoor power board CN2CN3 CN5Removing the cabinet Photo Disassembly InstructionsMUZ-GB50VA Outdoor Unit Operating Procedure Photos Operating Procedure Photos Removing R.V. coilTure thermistor and ambient temperature thermistor Removing outdoor fan motor PhotoRemoving the compressor and 4-way valve Photo Removing the reactorRoHS Parts List RoHS compliant MUZ-GB MUZ-GB50VA Accessory MUZ-GB50