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OUTLINES AND DIMENSIONS

Unit: mm

417.5

Drain hole

175

500

330

Air in

Air out

2-Oval holes 10 21

840

109

880

452

Service panel

99.5

164.5

195

Liquid refrigerant

pipe joint

Refrigerant pipe

(flared)

9.52

Gas refrigerant

pipe joint

Refrigerant pipe

(flared)

15.88

350 mm or more

100 mm or more

REQUIRED SPACE

Open as a rule

500mm or more if

the front and both

sides are open

100mm or more

200mm or more if

there are obstacles

to both sides

Open as a rule

500mm or more if the back,

both sides and top are open

Air in

Bolt pitch for installation

360

SUZ-SA71VA.TH

OCH561

Содержание Mr. Slim SUZ-SA71VA

Страница 1: ...NGES 3 3 PARTS NAMES AND FUNCTIONS 6 4 SPECIFICATION 7 5 NOISE CRITERIA CURVES 9 6 OUTLINES AND DIMENSIONS 10 7 WIRING DIAGRAM 11 8 REFRIGERANT SYSTEM DIAGRAM 12 9 ACTUATOR CONTROL 13 10 SERVICE FUNCTIONS 14 11 TROUBLESHOOTING 14 12 DISASSEMBLY INSTRUCTIONS 29 Indication of model name Note This service manual describes technical data of the outdoor units only HFC utilized R410A May 2014 PARTS CATA...

Страница 2: ...Z SA71VA TH PLA SP71BA UK OCH565 OCB565 Indoor unit Service Manual No Service Ref Heat pump without electric heater PEAD SP71JA L Q UK Note Please refer to the service manual of indoor unit or the technical data book for the combination data INDOOR UNIT SERVICE MANUAL OCH561 ...

Страница 3: ...high as that of R22 some special tools and piping parts materi als are required Refer to the table below Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and installa tion since it is more susceptible to contaminations than R22 For refrigerant piping use clean pressure proof parts materials specifically designed for R410A Refer to 2 Ref...

Страница 4: ...New New Gauge manifold Charge hose Torque wrench Flare tool Flare gauge Vacuum pump adapter Electronic scale for refrigerant charging No Not substitutable for R410A Yes Substitutable for R410A No 12 7 mm and 15 88 mm 1 Tools dedicated for the air conditioner with R410A refrigerant The following tools are required for R410A refrigerant Some R22 tools can be substituted for R410A tools The diameter ...

Страница 5: ...ir purge Do not discharge the refrigerant into the atmosphere Take care not to discharge refrigerant into the atmosphere during installation reinstallation or repairs to the refrigerant circuit Use the vacuum pump for air purging for the purpose of environmental protection 5 Additional charge For additional charging charge the refrigerant from liquid phase of the gas cylinder If the refrigerant is...

Страница 6: ...he test run when using remote controllers refer to the installation manual for the indoor unit or the remote controller 6 Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure gauge shows 0 05 to 0 MPa Gauge approx 0 5 to 0 kgf cm and quickly stop the air conditioner Push the ON OFF button on the remote controller to stop the air conditioner Note When the extension ...

Страница 7: ...sor Model SNB172FEKMT Output W 1 200 Current Cooling A 8 02 Heating 8 13 Refrigeration oil Model L 0 4 FV50S Fan motor Model RC0J60 BC Current Cooling A 0 83 Heating 0 82 Dimensions W H D mm 840 880 330 Weight kg 53 Special remarks Air flow Cooling High m h 3 426 Med 3 006 Low 1 512 Heating High 2 892 Med 2 892 Low 2 280 Sound level Cooling dB A 55 Heating 55 Fan speed Cooling High rpm 950 Med 840...

Страница 8: ...dule DB61 Fuse F61 F62 T20A L250V F701 F801 F901 IC700 Inteligent power module IPM 20A 600V IC932 5A 600V Power factor controller PFC 20A 600V IC820 Expansion valve coil LEV DC12V Reactor L61 L 340μH 20A Current Limiting PTC thermistor PTC64 PTC65 33 Ω Terminal block TB1 TB2 3P TB Relay X63 X64 20A 250V X601 3A 250V X602 3A 250V R V coil 21S4 AC220 240V OCH561 ...

Страница 9: ...bulb temperature 6 C OUTDOOR UNIT MICROPHONE 1 m SUZ SA71VA TH OCTAVE BAND SOUND PRESSURE LEVEL 0dB re 0 0002 MICRO BAR COOLING FUNCTION SPL dB A LINE High FAN SPEED HEATING 55 55 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz NC 10 OCH561 ...

Страница 10: ... Refrigerant pipe flared Ø 9 52 Gas refrigerant pipe joint Refrigerant pipe flared Ø 15 88 350 mm or more 100 mm or more REQUIRED SPACE Open as a rule 500mm or more if the front and both sides are open 100mm or more 200mm or more if there are obstacles to both sides Open as a rule 500mm or more if the back both sides and top are open Air in Bolt pitch for installation 360 SUZ SA71VA TH OCH561 ...

Страница 11: ...11 7 WIRING DIAGRAM SUZ SA71VA TH OCH561 ...

Страница 12: ...at exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 Strainer 100 ADDITIONAL REFRIGERANT CHARGE R410A g MAX REFRIGERANT PIPING LENGTH Max Length A Height difference limitations are binding regardless of the height position at which either indoor or outdoor is placed higher Max Height difference B Indoor unit Outdoor unit MAX HEIGHT DIFFERENCE Calculation Xg 55g m Refrigeran...

Страница 13: ...motor turns OFF 15 seconds after the compressor has stopped running NOTE The 4 way valve reverses for 5 seconds right before start up of the compressor Sensor Purpose Actuator Compressor LEV Outdoor fan motor R V coil Indoor fan motor Discharge temperature thermistor Protection Indoor coil temperature thermistor Cooling Coil frost prevention Heating High pressure protection Defrost thermistor Heat...

Страница 14: ... 2 and 11 3 SUZ SA71VA TH 11 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with the remote controller and turn off the breaker 2 Be sure to turn OFF the power ...

Страница 15: ...er outdoor fan start up Refer to 11 5 Check of outdoor fan motor Refer to 11 5 Check of inverter P C board 13 12 time flash 2 5 seconds OFF Each phase current of compressor Each phase current of compressor cannot be detected nor mally Refer to 11 5 How to check in verter compressor 14 13 time flash 2 5 seconds OFF DC voltage DC voltage of inverter cannot be detected normally Refer to 11 5 How to c...

Страница 16: ...bute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the error history If deletion fails Request rejected will appear Unit not exist will appear if no indoor units that are corre...

Страница 17: ...pear on the remote controller display if the correct voltage 8 5 12 VDC is not supplied to the remote con troller If this is the case check the remote controller wiring and indoor units OK No problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission li...

Страница 18: ...o the indoor unit installation Check code 4 digits or check code 2 digits Error detection attribute Address 3 digits or unit address No 2 digits When there is no error history When opposite side does not exist Alternate display 4 error history reset The error history is displayed in 3 self diagnosis results display When theD button is pressed two times successively within 3 seconds the self diagno...

Страница 19: ...mote controller switching is necessary When the problem is other than the checked remote controller Error display 2 E3 6833 6832 flash Cannot send Error display 3 ERC and data error count are displayed Data error generation There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line and the other remote controllers Data error count ...

Страница 20: ...operation When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop ON OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min RESET SET CLOCK CHECK CHECK display Temperature button CHECK button Refrigerant address display HOUR button ON OFF button 11 3 6 Self diagnosis Wireless remote controller SLZ ty...

Страница 21: ...ck code in the following table nth 1st 2nd 3rd 1st 2nd Self check starts Start signal received Beeper sounds Refer to the following tables for details on the check codes Output pattern A Notes The check code in the parenthesis indicates PAR 30MAA model Beeper sounds OPERATION INDICATOR lamp flashes Check code Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper ...

Страница 22: ...r RT62 Measure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Refer to 11 6 Test point diagram and voltage for the chart of thermistor Defrost thermistor RT61 Fin temperature thermistor RT64 Measure the resistance between terminals with a tester Temperature 10 C to 40 C Compressor U V U W V W Normal W U V WHT RED BLK W U V WHT RED BLK Ambient temp...

Страница 23: ...ct the cooling mode For details or for other information about starting the test run when using remote controllers refer to the installation manual for the indoor unit or the remote controller Measurement point At 3 points BLK U WHT V BLK U RED W WHT V RED W Note 1 Output voltage varies according to power supply voltage 2 Measure the voltage by analog type tester 3 During this check LED of the inv...

Страница 24: ...ing or cooling test run TEST RUN OPERATION Refer to 11 5 Measurement Measure the time from the start of compressor to the stop of compressor due to overcurrent Is the resistance of thermistor normal SA71 11 6 Test point diagram and voltage Disconnect the connector of thermistor in the outdoor P C board see below table and measure the resistance of thermistor Replace the thermistor except RT64 When...

Страница 25: ... Disconnect connector between the compressor and the intelligent power module Turn ON the power supply and start heating test run TEST RUN OPERATION Refer to 11 5 Disconnect connector between the compressor and the intelligent power module Turn ON the power supply and start cooling test run TEST RUN OPERATION Refer to 11 5 H Check of outdoor fan motor Is the resistance between each ter minal of ou...

Страница 26: ...coil with a hand Yes Check the outdoor fan motor Refer to Is the fuse F901 blown on the in verter P C board Check the connection of the connectors CN931 CN932 of the outdoor fan mo tor If the connection is poor make it correct Operate the outdoor unit by starting EMERGENCY OPERATION Check the LED indication on the in verter P C board Does the LED flash 10 times Replace the inverter P C board Check...

Страница 27: ... installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor outdoo...

Страница 28: ...stance k Resistance k Fin temperature thermistor RT64 CN673 Ambient temperature thermistor RT65 CN672 Discharge temperature thermistor RT62 CN671 Defrost thermistor RT61 CN671 Output to drive outdoor fan motor CN932 Outdoor heat exchanger temperature thermistor RT68 CN671 Fuse F901 T3 15AL250V Fuse F880 T3 15AL250V LEV connector CN724 Jumper wire for changing defrost setting JS Jumper wire for pre...

Страница 29: ...ing points Connector Sleeve Locking lever SUZ SA71VA TH NOTE Turn OFF power supply before disassembling OPERATING PROCEDURE PHOTOS 1 Removing the cabinet 1 Remove the screws of the service panel 2 Remove the screws of the top panel 3 Remove the screw of the valve cover 4 Remove the service panel 5 Remove the top panel 6 Remove the valve cover 7 Disconnect the power supply and indoor outdoor connec...

Страница 30: ...ve the compressor connector 4 Remove the screws fixing the relay panel 5 Remove the relay panel 6 Remove the earth wires and the lead wires of the inverter P C board 7 Remove the screw of the PB support 8 Remove the inverter P C board from the relay panel Photo 3 Photo 4 3 Removing R V coil 1 Remove the cabinet and panels Refer to procedure 1 2 Disconnect the following connector Inverter P C board...

Страница 31: ... the top panel cabinet and service panel Refer to procedure 1 2 Disconnect the following connectors Inverter P C board CN931 and CN932 Fan motor 3 Remove the propeller 4 Remove the screws fixing the fan motor 5 Remove the fan motor 6 Removing the compressor and 4 way valve 1 Remove the top panel cabinet and service panel Refer to procedure 1 2 Remove the back panel Refer to procedure 1 3 Remove th...

Страница 32: ...3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN Copyright 2014 MITSUBISHI ELECTRIC CORPORATION Distributed in May 2014 No OCH561 Made in Japan New publication effective May 2014 Specifications are subject to change without notice TM ...

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