Manuals / Mitsubishi Electronics / Household Appliance / Air Conditioner

Mitsubishi Electronics PUZ-A30NHA2-BS, PUZ-A42NHA2-BS 100, For indoor fan pulsation control

Models: PUZ-A36NHA2-BS PUY-A12NHA2 PUY-A42NHA2-BS PUY-A30NHA2 PUZ-A36NHA2 PUY-A36NHA2-BS PUZ-A18NHA2 PUZ-A18NHA2-BS PUY-A30NHA2-BS PUZ-A30NHA2-BS PUY-A18NHA2 PUY-A36NHA2 PUZ-A30NHA2 PUY-A12NHA2-BS PUZ-A24NHA2-BS PUZ-A42NHA2 PUY-A18NHA2-BS PUY-A42NHA2 PUZ-A42NHA2-BS PUY-A24NHA2-BS PUZ-A24NHA2 PUY-A24NHA2

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Page 100

code
Request	Request content
	Request content
153

Indoor-Fan operating time

154

(After filter is reset)

Indoor-Total operating time

155

(Fan motor ON time)

156

157 Indoor fan output value (Sj value)

Indoor fan output value

158

(Pulsation ON/OFF)

159Indoor fan output value (duty value)

162Indoor unit-Model setting information

163Indoor unit-Capacity setting information

164Indoor unit-SW3 information

165Wireless pair No. (indoor control board side) setting

166Indoor unit-SW5 information

~

190Indoor unit-Microcomputer version information

191Indoor unit-Microcomputer version information (sub No.)

192

~

764

765 Stable operation (Heat mode)

766 Stable operation (Cool mode)

767 Stable operation cancellation

	Description	Unit	Remarks
	(Display range)	Unit	Remarks
	(Display range)
	0 – 9999	1 hour
	0 – 9999	10 hours
	0 – 255 Fan control data	–	For indoor fan phase control
	"00 " "" indicates fan control data.	–	For indoor fan pulsation control
	"00 " "" indicates fan control data.	–	For indoor DC brushless motor control
	Referto13-2-1DetailContentsinRequestCode.	–
	Referto 13-2-1DetailContentsinRequestCode.	–
	Undefined	–
	Referto 13-2-1DetailContentsinRequestCode.	–
	Undefined	–
	Examples) Ver 5.01 ➝ "0501"	Ver
	Auxiliary information (displayed after version information)	–
	Examples) Ver 5.01 A000 ➝ "A000"	–
	Examples) Ver 5.01 A000 ➝ "A000"

This request code is not provided to collect data. It is used to fix the operation state.

This request code is not provided to collect data. It is used to fix the operation state.

This request code is not provided to collect data. It is used to cancel the operation state that has been fixed by request codes "765" and "766".

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Image 100

Mitsubishi Electronics PUZ-A30NHA2-BS, PUZ-A42NHA2-BS, PUY-A36NHA2, PUZ-A18NHA2-BS 100, For indoor fan pulsation control

Contents

Contents Parts Catalog OCB429Reference Manual Indoor UnitSafety Precaution Always Observe for SafetyWhen charging directly from cylinder Additional refrigerant chargeR22 PUZ-A18NHA2 PUZ-A18NHA2-BS PUY-A12/18NHA2 PUY-A12/18NHA2-BS FeaturesPUZ-A42NHA2 PUZ-A42NHA2-BS PUY-A42NHA2 PUY-A42NHA2-BS Specifications PUZ-A18NHA2 PUZ-A24NHA2 PUZ-A30NHA2 PUZ-A36NHA2 PUZ-A42NHA2PUY-A18NHA2-BS PUY-A24NHA2-BS Compressor Technical Data DataNoise Criterion Curves PUZ-A18NHA2-BSStandard Operation Data Heat pumpCooling only PKA-A12GA PKA-A18GA PKA-A24FA PKA-A30FA PKA-A36FA PLA-A42BAOutdoor Unit Unit mminchExample of Notes Service Space 662-5/8 Air outletWiring Diagram NET AdapterPUZ-A24NHA2 PUZ-A24NHA2-BS PUY-A24NHA2 PUY-A24NHA2-BS NET AdapterWUse copper supply wires TABU/V/W Wiring Specifications System Simultaneous twin systemSeparate Indoor UNIT/OUTDOOR Unit Power Supplies OFFIndoor Outdoor Connecting Cable NET Wiring Method Refrigerant address NET address Control Remote ControllerNET address setting Refrigerant address settingRegulations in address settings NET wiringRefrigerant System Diagram PUZ-A18NHA2 PUZ-A18NHA2-BSPUZ-A42NHA2 PUZ-A42NHA2-BS Way valve solenoid coil Heating on Cooling OFFPUY-A12/18NHA2 PUY-A12/18NHA2-BS PUY-A42NHA2 PUY-A42NHA2-BSRefrigerant recovering pump down Start and finish of test runTroubleshooting TroubleshootingCheck Point Under Test RUN Before test runSymptoms in test run mode Cause Remote Controller Display Operating proceduresContents of inferior phenomena Test run for wireless remote controller When a Problem Occurs During Operation HOW to Proceed SELF-DIAGNOSISSelf-Diagnosis During Maintenance or Service Remote Controller Diagnosis ON/OFFMalfunction-diagnosis method by wireless remote controller Malfunction-diagnosis method at maintenance serviceProcedure Case of trouble during operationU9,UH Error Code Abnormal point and detection method Case 63L connector openSELF-DIAGNOSIS Action Table CndcError Code Case Judgment and action 63H connector openConnector open Indoor/outdoor unit connectorCase Judgment and action High pressure High-pressure switch High discharging temperatureAbnormalities detected while unit is operating 63H workedTemperature thermistor TH4 Temperature of heatsinkPower module Case Judgment and action Open/short circuit of dischargeSynchronous signal to main circuit When compressor lockedCurrent sensor error Case Judgment and action Outdoor fan motorRemote controller transmission ErrorE0/signal receiving errorE4Remote controller control board Case Judgment and action Low pressure 63L workedCase Judgment and action Remote controller transmission ErrorE3/signal receiving errorE5Error Signal receiving error Non defined error codeNET communication error Case Judgment and action Pipe temperatureHardware error of transmission Case Judgment and action Address duplicate definitionTo the next From the previous Fresh MasterMaster LossnayVCTF, VCTFK, CVV CVS, VVR, VVF, VCT Troubleshooting by Inferior PhenomenaPhenomena Factor Countermeasure Melans Please Wait YESOutdoor power circuit board Power supply To the outdoor unit Check the breakerOutdoor connecting wire Miswiring, breakingIndoor/outdoor connecting wire Blinking Defective indoor Replace the indoor Power boardNot lighting Breaking or poor Fix the breaking or poorCheck if there is breaking Before repair Frequent calling from customers Action TablePhone Calls From Customers How to Respond Sometimes This is the sound which is heard when the flowRefrigerant in the air conditioner is switched This is not a malfunctionWith Airflow Direction… With Blower…There might be a case that Page HOW to Check the Parts Wiring contact check Power supply check Remove the connector CNF1Fuse check ENDHOW to Check the Components Thermistor feature chart Low temperature thermistorsMedium temperature thermistor High temperature thermistorOperation summary of the linear expansion valve Output pulse signal and the valve operationLinear expansion valve operation Linear expansion valve A24, 30, 36 How to detach the coil How to attach the coilBe sure to attach the stopper Emergency operation procedure Emergency OperationReleasing emergency operation SW4Operation data during emergency operation Test Point Diagram LI, NI CNAC1, CNAC2CN5 LO, noPUZ-A24NHA2 PUZ-A24NHA2-BS PUY-A24NHA2 PUY-A24NHA2-BS RS1 LD1-LD2 DIP-PFCDIP-IPM CN3 CN4 CN5Cnaf CN3TABP2/SC-P2 ActmLower side Upper sideL1, L2 Function of SWITCHES, Connectors and Jumpers Function of switchesFunction Action by the switch operation Effective timing OFF2Function of connector SW950% Special function75% Display function of inspection for outdoor unit Blinking Abnormality of outdoor fan Motor rotational speed 1Check the outdoor fan motor 1Check if stop valves are openOperation indicator Digital indicator LED1 working detailsExample When 42500 times 425 100 times Secs 5secs ~9999 When it is 100 hours or more, hundreds digit, tensExample When 2450 hours 245 10 hours Lighting Cancellation of postponementSW2 setting Display detail Explanation for display Unit Outdoor unit setting information Single phase 2 3 phaseUnit Cooling onlyDegF Lighting Cancellation of postponement Fan step on error occurring ~10 StepExample When 130 pulse Discharge superheat on error occurring ~327 0~182degC SHd Secs Sub cool on error occurring. SC ~234 0~130degCExample When 415 minutes Minute Secs U9 Error status during the ErrorRise of discharge temperature LEDEasy Maintenance Function Maintenance Mode Operation MethodSwitching to maintenance mode Fixed Hz operationData measurement To check the data for each item, repeat steps 5 toGuide for Operation Condition Function Setting Unit Function Setting by the Remote ControllerData of the sensor Ta=C On main remote Controller Average data Initial Ta=A+B/2 Sensor on allSetting No Settings Mode No.11PLA-BA PCA-GA Selecting functions using the wired remote controller For modes 15 and higherSpecified indoor unit Press E FAN operationOperating Procedure Flow of function selection procedure Operating instructionsFunction Selection of Remote Controller Mode SelectionFunction selection flowchart Mode Vane FANButton for 3 seconds to switch to Maintenance monitor Check button for 3 seconds to return to maintenance modeTurn on the Monitoring the operation data PressRequest Code List Outdoor unit-Control state Code Description 100 For indoor fan pulsation controlDetail Contents in Request Code 101Error content U9 Request code 102Fan control state Request code Actuator output state Request codeOutdoor unit --Capacity setting display Request code Outdoor unit Setting information Request code103 Contact demand capacity Request code104 Indoor unit Model setting information Request code Indoor unit Capacity setting information Request code105 Data display See the table on the rightDisassembly Procedure PUZ-A18NHA2 PUZ-A18NHA2-BS Operating Procedure Photos106 PhotoRemoving the thermistor Outdoor 2-phase pipe TH6 107Removing the electrical parts box Thermistor Outdoor pipe TH3Operating Procedure Photos 108Removing the 4-way valve 109Removing linear expansion valve Separator Recover refrigerant 110Removing the compressor MC Removing the accumulatorOperating Procedure Photos & Illustration Removing the service panel and top panel111 Removing the fan motor MF1Removing the thermistor Outdoor pipe TH3 112Thermistor Discharge TH4 113 Removing the 4-way valve coilRemoving the linear expansion valve coil Removing the bypass valve coilRemoving the bypass valve 114Removing the reactor ACLA24 Removing the reactor DCL A30 115Remove 2 receiver leg fixing screws 4 116 Removing the fan motor MF1, MF2117 Remove the service panel. See figure Outdoor pipeRemove the top panel. See figure Controller 118 Are not oxidizedLinear expansion Coil Valve coilLow pressure switch 63L 119Removing the reactor DCL and capacitor CE DCLRemoving the compressor MC Remove 2 back cover panel fixing screws 5 10