Mitsubishi Electronics MXZ-32SV Microprocessor Control, Inverter Multi System Control, SSR61

Page 19

11 MICROPROCESSOR CONTROL

INVERTER MULTI SYSTEM CONTROL

MXZ-32SV - E1

MXZ-32SV - E2

Indoor unit microprocessor

Output signal

Input signal

Compressor Compressor Compressor

power primary secondary

factor current current

Outdoor unit control microprocessor

	SSR61	Drive
	SSR61	circuit
		circuit

Transistor

module

Fin temperature thermistor RT65

Comp.

Accumulator

Indoor Unit

D

Indoor Unit

C

Indoor Unit

B

Indoor Unit

A

Indoor Unit

A

Indoor Unit

B

Indoor Unit

C

Indoor Unit

D

H.P.S 63H2	Discharge
	temperature
	thermistor
H.P.S 63H1	RT61
H.P.S 63H1
	R. V. coil
	21S4
Gas pipe
temperature	Evaporation
thermistor	temperature
RT66, 67, 68, 69	thermistor
	RT63

LEV1

LEV2

LEV3

LEV4

x61

x62

x63

Outdoor fan motor MF61

Defrost thermistor RT62

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Image 19

Contents MXZ-32SV E1 MXZ-32SV E2 ContentsPart Names and Functions Technical ChangesOutdoor Unit Outdoor Unit Indoor / Outdoor Correspondence TableMXZ-32SV E1 , MXZ-32SV E2 Indoor Units Combination09+09+12 15.05 13.80 9.0 07+09 10.35 09+09+12 14.04 12.87 MXZ-32SV E1 , MXZ-32SV E2 Specification0dB = Test conditionsCooling DB35 WB24 Heating DBUnit mm Outlines and DimensionsModels MXZ-32SV- E1 Wiring DiagramUnitmm Refrigerant System DiagramCWB Capacity and the Input CurvesCDB Outdoor UNITMXZ-32SV Capacity and input correction by inverter output frequencyHeat operation Outdoor low pressure and outdoor unit currentCurrent 10 15 20 10 15 20 Inverter Multi System Control Microprocessor ControlSSR61 LEV control Cool DRY Heat DRY Cool Operational frequency rangeHeat defrosting control Discharge temperature protection controlHigh or low pressure protection Outdoor fan control Refrigerant recovery control on heatingRelation between main sensor and actuator Lead wiring Housing point Troubleshooting procedure TroubleshootingInstruction of troubleshooting Before troubleshooting, check the followingLEV Troubleshooting check tableCheck the contact of LEV board connec Trouble criterion of main parts Outdoor unit does not operate. LED display Outdoor unit does not operate. LED display display OFFWhen cooling operation does not work. Start When heating operation does not work. StartCheck of LEV Check of thermistor Check of HPS Electronic control P.C.board Test Point Diagram and Voltage MXZ-32SV E1 , MXZ-32SV E2Outdoor FAN 230V AC Reversing Valve 230V AC Noise filter P.C.board MXZ-32SV E1Outdoor FAN 220V-240V AC Reversing Valve 220V-240V AC MXZ-32SV E2Relay P.C.board MXZ-32SV E1 MXZ-32SV E2 M P.C.board MXZ-32SV E1 MXZ-32SV E2Removing the compressor Photo Disassembly InstructionsOutdoor Unit Operating Procedure Photos MXZ-32SVRemoving the 4-way valve Photo Removing the fan motorRemoving the linear expansion valve Photo Removing the reactor Operating Procedure PhotosOutdoor Unit Functional Parts MXZ-32SV E1 Parts ListMXZ-32SV E117 16 15 MXZ-32SV E2 Outdoor Unit Structural PartsSymbol Qty / unit Parts No Parts Name Wiring Remarks Accessory Parts MXZ-32SV E1 MXZ-32SV E2Outlet guide Different-diameter pipe