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Toshiba RAV-SM2244AT7 Air Conditioner User Manual

1. We w ZA XL d EN LA e i H 100 Model name RAV SM2244 RAV SM2804 Z EOCaHon Description T7Z T7ZG B gt DJ gt lt NIN NIOO Co Lech CO NI DI ajaja SND IND SK VD NO lech 1 sch ch sesch SA E Eer O UNS E Lech gt MI IN NIOO O UIN N eps Ss FS ONO mS FOO EIN sch leck ch bh o ob dp dp dp dp dp dy Ss leck A NSIN Q gt MI IN NIOO O Lech 1 CO ND DI ajaja dp dd Ss leck NI UNI mS VD IN ch sesch ee a EE o BE la ELSE la la EK n N gt NIN NIOO O Lech e UIN N ajaja dad dd sch leck NM mS OO EN leck h bh ob dp dp dp day sch leck M IN IM 4312022 Fan Proprller PE492 Bell Mouth Guard Fan 43100323 Guard Fin Thermostat Bimetal Switch Pressure 4312C037 Motor Fan ICF 280 A100 1 4316V13 Bush 43146680 Valve Packed 12 7 10 Valve Ball SBV JABGTC 1 11 alve 2 way VPV 603D 4314671 oil Solenoid 2 way AC220V 60Hz 13 oil Solenoid VHV 01AJ502E1 14 Valve 4 way STF 0731G 15 4314673 Valve Check ZGV S55B A 16 43148208 Accumulator 17 43148209 Accumulator 18 Panel Back Piping 19 Rubber 43122095 Base Ass y Motor 21 Base Ass y Motor 22 ondenser Ass y Lower 23 4314G18 ondenser Ass y Lower 24
2. Intermittent current ON 10 minutes OFF 5 minutes Continuous current Intermittent current Corresponding to 100w When TO sensor defective TE C No current Current application conditions TD lt 30 C Intermittent current ON 10 minutes OFF 5 minutes Continuous current 100W Total power consumption of inverter and compressor NOTE While heating and electrifying the winding wire electrifying sound may generate It is nor abnormal 54 8 TROUBLESHOOTING 8 1 Summary of Troubleshooting lt Wired remote controller type gt 1 Before troubleshooting 1 Required tools instruments e and screwdrivers spanners radio cutting pliers nippers push pins for reset switch e Tester thermometer pressure gauge etc 2 Confirmation points before check a The following operations are normal 1 Compressor does not operate e Is not 3 minutes delay 3 minutes after compressor OFF e Is not the outdoor unit in standby status though the remote controller reached the setup temperature e Does not timer operate during fan operation e Is not an overflow error detected on the indoor unit e Is not outside high temperature operation controlled in heating operation 2 Indoor fan does not rotate e Does not cool air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes e Does not high temperature release operation c
3. L10 Unset model type Service board 1 These are representative examples and the check code differs according to the outdoor unit to be combined 58 8 2 2 Others Other than Check Code Lamp indication Check code Cause of trouble occurrence Operation Timer Ready During test run Simultaneous flash Operation Timer Ready cee Dag Disagreement of cool heat Ce SKS Automatic cool heat setting to automatic cool heat prohibited model or setting of heating to cooling only model Alternate flash D I 8 2 3 Monitor Function of Remote Controller Switch WR Calling of sensor temperature display lt Contents gt Each data of the remote controller indoor unit and outdoor unit can be understood by calling the service monitor mode from the remote controller lt Procedure gt 1 Push buttons simultaneously for 4 seconds to call the service monitor mode The service monitor goes on the master indoor unit No is fei displayed at first and then the temperature of item code 7 is displayed E DON OFF EE FAN Te 2 Push temperature set buttons and then change SD e FILTER the item code of data to be monitored a SWINGER UNT LOWER The item code list is shown below 2 4 1 3 lt Operation procedure gt Returned to usual display ee Seel Tess Es Room temperature Outdoor heat exchanger Coil temperature TE Remote ES ER Outside temperature TO Indoor suct
4. lt Display 1 gt lt Display 1 gt lt Display 1 gt lt Display 1 gt lt Display 2 gt lt Display 2 gt 000000 lt Display 2 gt OOOOO lt Display 2 gt O O O O O O lt Display 2 gt 000000 lt Display 2 gt OOO O lt Display 2 gt 000000 There is a possibility that it is one of the following errors Confirm LED on outdoor PC board to judge which error it is Communication error between MCU Heat sing temp sensor TH error EEPROM error Unset model type Heat sink overheat error Gas leak detection 4 way valve inverse error Communication error between MCU 1 Connection check between CN802 of MCC 1599 and CN504 of MCC 1597 and also connection check between CN505 of MCC 1597 and CN851 of MCC 1596 2 Check outdoor P C board MCC 1596 MCC 1597 MCC 1599 Defect Replace Heat sink temp sensor TH error gt Refer to F13 column EEPROM error gt Refer to F31 column Unset model type Refer to L10 column Heat sink overheat error Refer to P07 column Gas leak detection gt Refer to P15 column 4 way valve inverse error Refer to P19 column Ee QUE Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Discharge temp error Is there no gas leak Repair defective position Is refrigerant charge amount adequate
5. Power supply MC MC Motor W 100 100 100 100 Outdoor unit Pipe branch Liquid side mm 9 5 Sound power lever cooing Heating mal 72 74 72174 Propeller fan 133 100 100 28 6 12 7 Connecting pipe Running current A 11 51 10 54 15 44 14 13 11 51 15 44 Electrical CH Running current A 10 34 9 47 12 80 11 72 10 34 12 80 characteristics Fan Cross flow fan Cross flow fan Cross flow fan Cross flow fan Fan unit Standard air flow H M L m3 min 18 5 14 6 12 2 18 5 14 6 12 2 18 5 14 6 12 2 18 5 14 6 12 2 Sound pressure level H M L dB A 45 41 36 45 41 36 45 41 36 45 41 36 Sound power level H M L dBeA 60 56 51 60 56 51 60 56 51 60 56 51 Outdoor unit Outer dimension Outdoor lower m 30 30 30 Height difference Outdoor high m 30 30 30 30 15 9 Pipe branch Indoor unit 57 58 74 75 CO on co on ro on on x IEC standard D Ge 1 1 8 4 Way Cassette Type lt Double twin type gt Indoor unit 1 RAV SM 564UT E 804UT E Indoor unit 2 RAV SM 564UT E 804UT E Indoor unit 3 RAV SM 564UT E 804UT E Indoor unit 4 RAV SM 564UT E 804UT E Outdoor unit RAV SM 2244AT8 E 2804AT7 Heating capacity kW 22 4 27 0 Running current A 11 51 10 54 15 44 14 13 11 51 15 44 Power consumption 7 12 9 55 C 4 eS E Power factor 9 94 EER Energy efficiency class Electrical i E Running curre
6. 2 Setup 8 Group Control N n Outdoor unit line address N Max 30 Indoor unit address n Max 64 O Single Not group control 1 Master unit in group control 2 Sub unit in group control The representative of multiple indoor units in group operation sends receives signals to from the remote controllers and sub indoor units It has no relation with an indoor unit which communicates serially with the outdoor units The operation mode and setup temperature range are displayed on the remote controller LCD Except air direction adjustment of louver Indoor units other than master unit in group operation Basically sub units do not send receive signals to from the remote controllers Except errors and response to demand of service data Header unit Representative unit Master Twin This unit communicates with the indoor unit follower which serial communicates with the outdoor units and sends receives signal Command from compressor to from the outdoor units as the representative of the cycle control in the indoor units of the identical line address within the minimum unit which configures one of the refrigerating cycles of Twin Follower unit Subordinate unit Sub Twin Indoor units excluding the header unit in Twin 10 2 1 System 1 Single Outdoor 1 1 ee Indoor Individual Master Header Sub Follower Remote controller This unit communicates with Header indoor unit in the identical lin
7. Heat exchanger temp sensor TE error Is CN601 connection normal Correct connector Is resistance value of TE sensor normal Sensor error gt Replace YES Check outdoor P C board MCC 1599 Defect Replace 000000 lt Display 1 gt lt Display 2 gt Heat exchanger temp sensor TL error gt Refer to F07 column lt Display 1 gt lt Display 2 gt Suction temp sensor TS error gt Refer to F12 column 000000 lt Display 1 gt lt Display 2 gt Miswiring of heat exchanger sensor TE TS gt Refer to F15 column 00000 lt Display 1 gt lt Display 2 gt Heat exchanger temp sensor TL error Is CN604 connection normal Correct connector Is resistance value of TL sensor normal Sensor error gt Replace Check outdoor P C board MCC 1599 Defect Replace 000000 68 Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Outside air temp sensor TO error Is CN602 connection normal Correct connector Is resistance value of TO sensor normal Sensor error gt Replace YES Check outdoor P C board MCC 1599 Defect Replace lt Display 1 gt lt Display 2 gt Suction temp sensor TS error Is CN600 connection normal Correct connector Is resistance value of TS sensor normal Sensor error gt Replace YES Check outdoor P C board MCC 1599 Defect
8. SET O button OK when display goes on 3 6 9 4 7 10 FAN TIME SAVE VENT Ge CH Ca SWING FIX UNIT LOUVER G sg y MODE TIMER SET FILTER RESET TEST lt Operation procedure gt l gt 2 gt 3 gt 4 gt 5 gt 6 gt 7 gt 8 gt 9 gt 1011 END 94 to sub unit 10 5 Confirmation of Indoor Unit No Position 1 To know the indoor unit addresses though position of the indoor unit body is recognized e In case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation lt Procedure gt a Push 22 button if the unit stops 2 Push e button Unit No is displayed on LCD It disappears after several seconds The displayed unit No indicate line address and indoor unit address When other indoor units are connected to the identical remote controller Group control unit other unit numbers are also displayed every pushing 2 UNIT LOUVER e e button 1 Operation FAN MODE TIME SAVE VEN FILTER RESET TEST SET CL SWING FIX UNIT LOUVER O CE 0 4 TIMER SET 3 lt Operation procedure gt 1 2 END 2 To know the position of indoor unit body by address e To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop lt Procedure gt The indoor unit numbers
9. YU EE lo de Fig 6 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 6 2 6 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 6 2 6 Tightening torque of flare for R410A Reference values Tightening torque of torque Nominal Outer diameter Tightening torque wrenches available on the market diameter mm Nem kgf m Nam kgf m 14 to 18 1 4 to 1 8 16 1 6 18 1 8 AA SES 12 7 50 to 62 5 0 to 6 2 55 5 5 WEEN eps 38 6 3 Tools 6 3 1 Required Tools Refer to the 4 Tools Page 8 6 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the fol
10. 45 7 1 2 Print Circuit Board MCC 1597 Fan Motor IPDU CN750 White CN700 Blue CN500 Red Fan motor output Upper side Connector for MCC 1436 CN03 or CNO7 Connector for MCC 1600 CN23 and reactor CH68 hn me A Sn SR Kr CN504 Blue CN602 Black F500 Connector for MCC 1599 Connector for MCC 1600 CN51 Electric circuit protective fuse CN802 250V 15A P501 Black CN505 Red CN502 White Lead wire for grounding Connector for MCC 1596 CN851 Connector for MCC 1596 CN101 46 7 1 3 Print Circuit Board MCC 1599 Interface CDB CN708 Blue CN608 White Connector for power relay coil Connector for MCC 1600 CN50 CNO2 Red Connector for MCC 1600 CN10 and CN19 CN702 White CN802 White 2 way valve connector Connector for MCC 1597 CN504 F01 Power supply protective fuse 250V 3 15A CN700 Yellow 4 way valve connector Temp sensor connector CN604 White TL sensor CN603 White TD sensor CN602 Yellow TO sensor ZY CN601 White TE sensor CN600 White TS sensor SW801 SW800 Initial setting switch SW802 Power ON error display LED D800 to D804 Yellow D805 Green Indoor Outdoor communication signal LED D503 Green Outdoor Indoor D502 Orange Indoor Outdoor CN690 Green High pressure switch connector CN609 Blue Case thermostat connector CN606 Whi
11. E aa codi NO S 000000 Py Geen Replace coil of 4 way valve YE Check outdoor P C board Defect replace Check 4 way valve Defect Replace Check operation of outdoor UE CDB P C board SE Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt High pressure protective operation NO Is valve fully opened Open valve fully YES Reset the power supply and then perform test run Cooling season matching to the season Cooling operation Heating season Heating operation Is there no problem on outdoor TL sensor Measurement of resistance value NO YES Replace sensor Is there no crack or NO loosening of outdoor fan YES Check outdoor fan Defect gt Replace retightening Does not the outdoor fan NO perform abnormal operation YES Check the same items as P22 error Is there no element which interfere heat exchange of outdoor unit e Clogging of heat exchanger e Short circuit YES NO Eliminate interfering element Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect gt Correct defective position Does indoor fan NO Are indoor fan motor NO normally operate and connector normal YES YES Repair defective position NO Replace sensor Are resistance values of indoor TC
12. Lech e UIN N ajaja dad dd sch leck NM mS OO EN leck h bh ob 1 sch sch UNI 1 sch Mi bMAIbMAIbN dh m 125 15 2 Inverter Assembly RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E 702 718 719 705 704 Jejejeje EES 711 712 709 Jejejeje CET jejejeje 715 p P f 706 Sc Model name RAV SM 2244AT8 E 2244AT8Z E 2244AT8ZG E 2804AT8 E 2804AT8Z E 2804AT8ZG E Location No Description 43058288 Reactor CH 56 4Z 43154177 Relay 480V 20A Contact 43158199 Reactor CH 44 FCZ 2 43158207 Reactor CH 68 mm 702 703 mm pe 43153006 PTC Thermistor ZPROYCE101A500 706 707 708 43050425 Sensor Ass y Service TC F6 43150319 Sensor Ass y Service TD F4 43160565 Terminal Block 3P 20A AC250V me 43160579 Terminal 4P 30A 43060859 Fuse Block 30A 250V FH153 PB 711 4316V390 P C Board Ass y MCC 1596 Comp IPDU 4316V391 PC Board Ass y MCC 1597 Fan IPDU 4316V392 PC Board Ass y MCC 1599 CDB 4316V398 PC Board Ass y MCC 1600 N F 43063325 Holder Sensor 6 6 35 8 4316V393 P C Board Ass y MCC 1436 43160590 Fuse 6 3A AC250V 43282001 Bushing 43183020 720 43063248 Ecce 43060639 722 43163015 Collar Supporter Ass y Fuse 25A 250V 701 702 703 704 705 706 707 708 709 711 720 721 722 Suppo
13. Cross flow fan Cross flow fan Cross flow fan Fan unit Standard air flow H M L m8 min 14 0 12 5 10 7 18 5 14 6 12 2 14 0 12 5 10 7 18 5 14 6 12 2 Motor W 0 Indoor unit 2 RAV SM 562KRT E Model Indoor unit 3 RAV SM 562KRT E Indoor unit 4 RAV SM 562KRT E Outdoor unit RAV SM 2244AT8 E Cooling capacity kW 20 0 Heating capacity kW 22 4 Running current A 11 51 10 54 Power consumption kW 7 12 94 Cooling Power factor O Ee N EER 2 81 Energy efficiency class Electrical characteristics Running current A 10 34 9 47 Power consumption kW 6 40 94 Heating Power factor COP 3 50 Energy efficiency class CA Es 30 30 Sound pressure level H M L dB A 39 36 33 45 41 36 39 36 33 45 41 36 Sound power level H M L dB A 54 51 48 60 56 51 54 51 48 60 56 51 Outdoor unit Bis A A al N y ao NTN ao NJN ao Max total length m m Min length Outer dimension Height difference Fan Propeller fan Propeller fan es es Second pipe branch Liquid side 9 5 12 7 12 7 57 58 57 88 74 75 72 74 74 75 13 Fan unit Standard air flow high m3 min Motor W 13 gt A SNr Connecting pipe Wel Wu co al m O mn co co Q al al 5 o Q a 3 3 Second pipe branch Gas side 12 7 Indoor unit Liquid side mm i Sound pressure level Cooling Heating dB A 56 5
14. Heat SE sensor TE error POS es Heat exchanger temp sensor TL error 0000600 Outside temp sensor TO error 08 Suction temp sensor TS error Heat sink temp sensor TH error Heat exchanger sensor TE TS miswiring RO cero TTT Hr 00000 000000 00890 Fenster pe 096900 Driving element short circuit Li ER MATE PR A As the error code displayed on the wired remote controller may differ according to type of indoor model multiple codes are described 85 3 Sensor current compressor operation frequency PMV opening display The values detected by the controller such as temperature sensor or current value are simply confirmed Legend O O D800 D801 D802 D803 D804 D805 Yellow Yellow Yellow Yellow Yellow Green Go off O Go on Temperature sensor C Compressor PMV TD TE TS Current operation benin Pressure SW803 SW803 SW803 A frequency Pulse kg cm G 0008 get 1 2 3 4 DA SW803 SW803 SW803 SW803 ON G ON ON ON AHO OREO WOU DD Dr HHG E 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 TCJ SW803 LED ON ON ON display Al H A 2 1 2 3 4 000000 Below 25 0100 9 01019 0000800 gt 5 tot 00000 201016 0000800 15 tot 00000 20 O00000 Sto O 00000 Di 000000 0 0000 _ log 00000 Ava LL 00000 8084 0 000000 054 jO00eeEV0
15. e The existing pipe must have a wall thickness equal to or larger than the following thicknesses Reference outside Wall thickness diameter mm mm Half hard Half hard e Do not use any pipe with a wall thickness less than these thicknesses due to insufficient pressure capacity When using a 19 1 mm gas pipe for the existing piping set bit 3 of SW802 switch for existing pipe on the P C board of the outdoor unit to ON In this case the heating performance may be reduced depending on the outside air temperature and room temperature SW802 When shipped from factory When using existing pipe 6 6 7 Recovering Refrigerant Use the refrigerant recovery equipment to recover the refrigerant 44 7 CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 7 1 Outdoor Unit Control 7 1 1 Print Circuit Board MCC 1596 Compressor IPDU CN851 Red CNO7 Blue CNO8 Blue CN101 White Connector for MCC 1597 CN505 Terminal for reactor CH44 Connector for MCC 1597 CN502 Ji Sit G CNO3 Black Terminal for power relay F02 Electric circuit protective fuse 500V 31 5A la CNO2 White Terminal for MCC 1600 CN17 i e F01 Electric circuit protective fuse LL 500V 31 5A CNO1 Red A en 0 Terminal for power relay ki O Terminal for PTC thermistor CN201 Red CN202 White CN203 Black CNO9 Yellow CN10 Yellow
16. 4314G18 ondenser Ass y Lower 25 4314G19 ondenser Ass y Up 26 ondenser Ass y Up 27 ondenser Ass y Up 4301P70 ark TOSHIBA 29 ark Inverter 30 oint Check 31 4311939 anger 32 4310034 anel Front Piping 33 4314931 ubber Supporter Pipe DIA 19 0 34 ubber Supporter Pipe DIA 8 0 35 nsulator Sound Up 36 4311133 nsulator Sound In 37 sulator Sound Out 38 43100329 Cabinet Ass y Out 43100332 Cabinet Ass y Up 43100335 Cabinet Ass y Front Panel Ass y Side abinet Ass y Top Sensor Ass y Low Pressure NSK 8C010F 067 Nut Flange Nut Flange Bushing Rubber Cushion Bonnet Bonnet 3 4 IN Strainer Strainer Holder Thermostat Holder Sensor Bolt Compressor M6 Bolt Compressor M6 Band Fix Plate Fix Condenser Plate Fix Condenser 43046494 Coil PMV Ass y UKV A040 43140004 Strainer 7 OIOI C i 12 00 O al 20 N O IN 28 O lt DD 39 40 ii 00 4 4 4 4 4 4 4 4 4 aja lwin O CO 1 2 3 4 5 6 7 8 9 50 51 52 53 59 56 57 58 59 61 129 15 4 Inverter Assembly RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG SSD CET folfolfolfal 711 712 709 ees ES 715 A P 706 Seil Model name RAV SM 2244AT7Z 2244AT7ZG 2804AT7Z 2804AT7ZG Location No Description 2244AT7 2804AT7 43058288 Reactor CH 56 4Z 431541
17. Manual describes the installation method of the outdoor unit e For installation of the indoor unit follow the Installation Manual attached to the indoor unit ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type that has adopted a new refrigerant HFC R410A instead of the conven tional refrigerant R22 in order to prevent destruction of the ozone layer This equipment complies with IEC 61000 3 12 provided that the short circuit power Ssc is greater than or equal to Ssc 1 at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with a short circuit power Ssc greater than or equal to Ssc 1 Ssc 1 Wei Semi RAV SM2244AT8 Z ZG E 1 41 RAV SM2804AT8 Z ZG E 1 72 Contents ACCESSORY PARTS ci 2 2 SAFETY PRECAUTIONS cocoococoononnononnonononenenenenennnnene conecciones 3 3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER c secescesessesessesees 4 4 INSTALLATION CONDITIONS ooocoocccocononcononnoconnonocnonononnnnonecnnneconennn nro renacer recaer 6 5 REFRIGERANT PIPING cccccessesecsesecsesscsesscsesecsesscsessesessesesscsersesesarsesarsesarsesarssersess 10 6 AIR PURGING Sii dida 14 Z ELECTRICAL WORK aa 17 E Anne era 19 INSI a o EE 20 10 EN ed os 20 1 ANNUAL MA
18. No Part name Procedure Parks procedure NWARNING gt gt WARNING Stop operation of the air conditioner and turn off breaker switch Service panel A CAUTION Ensure wearing of gloves when performing any work in order to avoid injury from parts etc 1 Detachment 1 Remove the service panel Hexagonal screws 4 x 10 3 pcs e Remove the screws and then pull service panel downward to remove 2 Remove the power supply cable and the indoor outdoor connecting wire from the cord clamp and the terminal 3 Remove the top plate Hexagonal screws 4 x 10 6 pcs Attachment 1 Attach the top plate Hexagonal screws 4 x 10 6 pcs 2 Connect the power supply cable and the indoor outdoor connecting wire to the terminal and then fix with the cord clamp A CAUTION The power supply cable and the indoor outdoor connecting wire must be affixed along the crossover pipe using a commercially available bundling band so that they do not make contact with the compressor gas valve gas pipe and discharge pipe 3 Attach the front panel Hexagonal screws 4 x10 3 pcs 2 Discharge 1 Detachment Setting moment port cabinet 1 Carry out the operation in 1 of above Upper end plate upper 2 Remove screws for the discharge port cabinet and V E of heat exchanger the inverter assembly ST1T 4 x 8 2 pcs Le 5 3 Remove screws for the discharge p
19. Outer dimension CA O CA O CA O CA O o x al al CA O re Bs on on CA O gt Se on on Propeller fan Propeller fan Propeller fan 133 133 133 100 100 100 100 100 100 me Rd ESA Maximum current A 22 22 Fan Turbo fan Turbo fan Turbo fan Fan unit Standard air flow H M L m min 33 5 24 0 19 5 35 0 24 0 20 5 33 5 24 0 19 5 35 0 24 0 20 5 Min length m i Outdoor lower m 30 Gas side mm 28 6 Outdoor unit Pipe branch Liquid side mm 12 7 Heating capacity kW 22 4 27 0 Power supply 3 phase 380V 60Hz Running current A 10 09 9 24 13 24 12 12 13 24 Power consumption kW 6 24 8 19 8 19 Cooling Power factor 94 EER 3 21 Energy efficiency class ree Running current A 9 41 8 61 12 09 11 07 12 09 Power consumption kW 5 82 7 48 7 48 Heating Power factor 94 94 94 COP 3 85 3 61 3 61 Energy efficiency class am B A 48 38 38 44 38 34 44138734 H M L dBeA 58 53 48 59 53 49 59 53 49 Outdoor unit Height difference 28 6 Connecting pipe Pipe branch Indoor unit Sound power level Cooling Heating dBeA 72 74 28 6 28 6 12 7 12 7 12 7 15 9 15 9 15 9 57 58 56 57 57 58 74 75 72 74 74 75 A al x IEC standard DS 6 1 1 2 Duct Type lt Twin type gt indoor unit 4 Ser 11028 TE Mode Indoor unit 2 RAV SM verk Outdoor unit RAV SM 2244417 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 Power supply 3
20. Recharge refrigerant YES Repair defective position EE Replace defective part YES Is it not abnormal overload Correct and clear the cause NO Is CN603 connection normal Correct connector Is resistance value of TD sensor normal Sensor error gt Replace YES Get LL Check outdoor P C board MCC 1599 Defect Replace There is a possibility that it is one of the following errors Confirm LED on outdoor P C board to judge which error it is 1 high pressure SW system error 2 power supply error Vdc 3 high pressure protective operation 4 case thermo operation lt Display 1 gt lt Display 2 gt High pressure SW system error Power supply error Vdc High pressure protective operation Case thermostat operation NO Doesn t high pressure switch NEE gt Wiring check operate Is circuit wiring normal Correct ES YES NO Are parts of E Parts check high pressure switch normal Defective gt Replace NO Is service valve fully opened Open service valve fully Y YES YES Reset the power supply and then do a trial operation according to the season B Cooling operation C Heating operation Check Comp IPDU PC board Cooling operation Defective Replace Does cooling outdoor fan Is there no fan breakage ER normally operate or coming off YES Repair defective position Connection of connectors Fan IPDU Fan motor Wiring Is there any element whic
21. Refrigerant recovery is impossible Refrigerant recovery by the pump down operation on the existing air conditioner e There is possibility that a large quantity of poor oil or moisture remains inside of the pipe 5 A dryer on the market is attached to the existing pipes e There is possibility that copper green rust generated 6 Check the oil when the existing air conditioner was removed after refrigerant had been recovered In this case if the oil is judged as clearly different compared with normal oil e The refrigerator oil is copper rust green There is possibility that moisture is mixed with the oil and rust generates inside of the pipe e There is discolored oil a large quantity of the remains or bad smell e A large quantity of sparkle remained wear out powder is observed in the refrigerator oil 7 The air conditioner which compressor was ex changed due to a faulty compressor When the discolored oil a large quantity of the remains mixture of foreign matter or a large quantity of soarkle remained wear out powder is observed the cause of trouble will occur 8 Installation and removal of the air conditioner are repeated with temporary installation by lease and etc 9 In case that type of the refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil alkyl benzene HAB Barrel freeze ester series PVE only of ether series e Winding
22. Replace 000000 lt Display 1 gt lt Display 2 gt Heat sink temp sensor TH error Check outdoor P C board MCC 1599 Defect Replace lt Display 1 gt lt Display 2 gt Miswiring of heat exchanger sensor TE TS Is mounting status of N TE and TS sensors normal S O Correct sensor mounting YE Is CN600 connection normal NO Correct connector Is resistance value of TS sensor normal Sensor error gt Replace YE i NO 000000 S Is CN601 connection normal Is resistance value of TE sensor normal YES Correct connector Sensor error Replace Check outdoor P C board MCC 1599 Defect Replace 69 Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt PS sensor error Is connector of NO Ps SE Ge eonnacied Correct connection of connector YES Connector CN606 White Are the output current characteristics NO YES D Pressure by pressure gauge Check joint 2 Pressure display on LED display Output power of I F CDB P C board f O and O and are different an error of the pressure sensor is considered If and are different check I F P C board Does not refrigerant bypass NO from discharge port to suction port Check compressor of 4 way valve OO OO Check 4 way valve lt Display 1 gt lt Display 2 gt EEPROM error Check outd
23. Running current A 10 34 9 47 12 80 11 72 10 34 Power consumption kW 6 40 7 1 94 9 6 40 7 92 Heating Power factor 94 9 O Ee Nr 4 aT 0 0 0 12 C COP 3 50 3 41 Energy efficiency class mb 00 NO Wel Maximum current A ECH A A 2 Fan Centrifugal Centrifugal Centrifugal Centrifugal Fan unit Standard air flow H M L m9 min 18 5 16 7 14 6 18 5 16 7 14 6 18 5 16 7 14 6 18 5 16 7 14 6 Motor 0 0 0 3 i i Sound pressure level H M L dBeA 38 36 33 38 36 33 38 36 33 38 36 33 Sound power level H M L dBeA 53 51 48 53 51 48 53 51 48 Outdoor unit E 2 Max total length 70 7 3 3 53 51 48 7 A O A al Dag o Outdoor high m NS Motor W 100 100 100 100 Outdoor unit Pipe branch Liquid side mm 9 5 Sound power lever cooing Heating mal 72 74 72174 Outer dimension oO O A al SU al Height difference 30 3 30 3 CA O ro on on Propeller fan 133 100 100 28 6 12 7 Connecting pipe 15 9 Pipe branch Indoor unit 57 58 74 75 Wel Wu Wel Wu x IEC standard E 1 1 7 High Wall Type lt Triple type gt Indoor unit 1 RAV SM 802KRT E 802KRT E Indoor unit 2 RAV SM 802KRT E 802KRT E Indoor unit 3 RAV SM 802KRT E 802KRT E Outdoor unit RAV SM 2244AT8 E 2804AT7 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 27 0 3 phase 380 415V 50Hz
24. When using the conventional piping e When using the conventional piping with no indication of applicable refrigerant types be sure to use it with a wall thickness of 0 8 mm for 6 4 mm 9 5 mm and 12 7 mm with a wall thickness of 1 0 mm for 015 9 mm with a wall thickness of 1 2 mm for 19 1 mm and with a wall thickness of 1 0 mm for 28 6 mm half hard Do not use the conventional piping with O R22 Conventional tools a wall thickness less than these thicknesses due to insufficient pressure capacity When using general copper pipes e Use general copper pipes with a wall thickness of 0 8 mm for 6 4 mm 09 5 mm and 12 7 mm with a wall thickness of 1 0 mm for 15 9 mm with a wall thickness of 1 2 mm for 19 1 mm and with a wall thickness of 1 0 mm for 28 6 mm half hard Do not use any copper pipes with a wall thickness less than these thicknesses Flare nuts and flare machining e The flare nuts and flare machining are different from those for the conventional refrigerant Use the flare nuts supplied with the air conditioner or those for R410A e Before performing flare machining carefully read REFRIGERANT PIPING Digital Inverter INSTALLATION CONDITIONS E Before installation Be sure to prepare to the following items before installation Length of refrigerant pipe Length of refrigerant pipe connected to indoor outdoor unit Addition of refrigerant is feo RER unnecessary at the local si
25. abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recovering device The refrige
26. be Example of 2 lines cabling Real line Cabling Broken line Refrigerant pipe determined prior to piping work after cabling work e Set an indoor unit per a remote controller e Turn on power supply Outdoor DDO DDO Indoor Indoor DG Outdoor D R DOG Indoor PO DOG Indoor AG Line address 1 1 2 Indoor unit address 1 2 1 2 Group address gt 1 2 2 2 SET CL TEST Push buttons simultaneously for 4 seconds or more Remote controller For the above example perform setting by N Line address Using the temperature setup CY GD buttons Group address connecting singly the wired remote controller without remote controller inter unit cable set c to the CODE No Individual 0000 Master unit 0001 easter trol Sub unit 0002 group contro Using timer time buttons set the line address SET Push button OK when display goes on lt Indoor unit address Using the temperature setup CY Ga buttons set to the CODE No Using timer time buttons set 1 to the line address SET Push button OK when display goes on lt Group address Using the temperature setup Cv gt 4 buttons set Y to the CODE No O AND ARO Using timer time buttons set 277 to Individual 12277 to Master unit and 200 10 Push TEST 1 1 Push button Setup completes The status returns to the usual stop status
27. because the When pushing SW801 again or when 2 minutes elapsed pressure may change suddenly the operation returns to the normal control PMV middle opening operation Set PMV Pulse Motor Valve to middle opening When pushing SW801 again or when 2 minutes elapsed the operation returns to the normal control Note 1 Indoor cooling test run demand Indoor heating test run demand Only when combining with the following indoor unit cooling heating operation can be performed from the outdoor unit Test run is available Indoor unit of 4 series and after RAV SMx gt gt 4UT E etc Test run is unavailable Indoor units other than the above mentioned indoor units or indoor units other than above mentioned indoor units are included in the twin triple double twin connection Note 2 The forced test run by this setting cannot be cleared on the indoor remote controller Be sure to clear the test run by operation of the outdoor unit Push SW801 again for 1 second OF SW804 Operation when pushdown button switch SW801 is pushed 4 way valve relay operation For RY700 CN70 check Turn on 4 way valve power relay RY700 When pushing SW801 again or when 2 minutes elapsed the operation returns to the normal control SV valve relay operation For RY702 CN702 check Turn on SV valve relay RY702 When pushing SW801 again or when 2 minutes CAUTION elapsed the operation returns to the normal control Alt
28. cooling the pipes and recovering of oil Nitrogen gas pressure 0 5 Mpa e Refrigerant recovery Pump down method Remove the existing air conditioner from the piping and carry out flashing nitrogen pressure 0 5 Mpa to remove the remains inside of the pipe Note In case of twin also be sure to flash the branching pipe op If there is discharge of remains it is judged that there is a large quantity of remains Was not largely discolored oil or a large quantity of remains discharged When the oil deteriorates the color of the oil changes to muddy and black color Clean the pipes or use the new pipes If you are in trouble of pipe cleaning please contact us E Connect the indoor outdoor units to the existing pipe e Use a flare nut attached to the main unit for the indoor outdoor units Do not use the flare nut of the existing pipe e Re machine the flare machining size to size for R410A E When using a 019 1 mm pipe for the gas pipe of the first Piping necessary to change the flare nut branching pipe machining size due to pipe compression machining size due to pipe compression gt Turn the existing pipe switch on the cycle control EA P C board of the outdoor unit to ON side r EE At shipment from factory OFF gt ON for existing pipe Be sure to set the contents in the table below in order to restrict the refrigerating cycle pressure of the equipment in the pipe standard Existing pipe SW C men ee EES For
29. has different refrigerant system connected YES Correct wiring to regular wiring NO Using miss wiring check function of the outdoor unit check them A In cooling season go to In heating season go to Are parts related to the indoor fan motor normal 1 Connection of connector A Cooling Does cooling NO No Repair the indoor fan normally operate 2 Capacitor defective position YES 3 Motor 4 Fan YES YES Is there clogging of indoor filter or heat exchanger Check indoor P C board Defective gt Replace NO EE clogging Are connection of connectors Repair the ee and coils normal defective position YES Is blocking found in entire valve ee Heating NO Is indoor fan Does heating outdoor fan system normal Repair the normally operate YES Is there clogging of outdoor heat exchanger NO Fan breakage defective position Fan coming off Check outdoor P C board Is outdoor PMV normal YES Cleaning d Defective Replace Shortage of refrigerant blocking pipe breakage L10 lt Display 1 gt lt Display 2 gt Unset model type Only when service P C board is used Cut jumper line according to the explanation sheet packaged with the service P C board 000000 fe e e Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit L29 lt Display 1 gt lt Display 1 gt lt Display 1 gt
30. higher 0 0 O 10 20 30 40 50 60 70 80 90 100 Temperature C As TH sensor Outdoor unit heat sink temp sensor is incorporated in the outdoor control P C board the resistance value cannot be measured 79 9 SETUP AT LOCAL SITE AND OTHERS 9 1 Calling of Error History lt Contents gt The error contents in the past can be called lt Procedure gt 1 Push O buttons simultaneously for 4 seconds or more to call the service check mode x P Service Check goes on the CODE No 01 is displayed and then een ee the content of the latest alarm is displayed The number and error 7 contents of the indoor unit in which an error occurred are dis played TIMER SET 2 In order to monitor another error history push the set temperature Cv Ca buttons to change the error 2 3 1 history No CODE No CODE No 77 Latest gt CODE No Old NOTE 4 error histories are stored in memory SE 1 gt 2 gt 3 REQUIREMENT Returned to usual display 3 Pushing 2 button returns the display to usual display q __J _J J J J J J Do not push O button otherwise all the error histories of the indoor unit are deleted 9 2 Group Control Operation In a group control operation of maximum 8 indoor units can be controlled by a remote controller The indoor unit connected with outdoor unit Individual Master
31. in the group control are w successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation TEST Push CE and amp buttons simultaneously for 4 seconds or more Unit No ALL is displayed 1 e Fans and louvers of all the indoor units in the group control operate FILTER RESET TEST UNIT LOUVER e 2 Every pushing 93 button the unit numbers in the group control are successively displayed 3 e The unit No displayed at the first time indicates the master unit address lt Operation procedure gt e Fan and louver of the selected indoor unit only 1 2 gt 3 END operate 3 Push G button to finish the procedure All the indoor units in the group control stop 95 lt Maintenance Check list gt Aiming in environmental preservation it is strictly recommended to clean and maintain the indoor outdoor units of the operating air conditioning system regularly to secure effective operation of the air conditioner It is also recommended to maintain the units once a year regularly when operating the air conditioner for a long time Check periodically signs of rust or scratches etc on coating of the outdoor units Repair the defective position or apply the rust resisting paint if necessary If an indoor unit operates for approx 8 hours or more per day usually it is necessary to clean the indoor outd
32. in the outdoor unit If you touch the charged outdoor unit without an earth line you may experience an electric shock EN 19 Digital Inverter 9 FINISHING After the refrigerant pipe inter unit wires and drain pipe have been connected cover them with finishing tape and clamp them to the wall with off the shelf support brackets or their equivalent Keep the power wires and indoor outdoor connecting wires off the valve on the gas side or pipes that have no heat insulator 10 TEST RUN e Turn on the leakage breaker at least 12 hours before starting a test run to protect the compressor during startup To protect the compressor power is supplied from the 380 415 VAC input to the unit to preheat the compressor e Check the following before starting a test run e That all pipes are connected securely without leaks e That the valve is open If the compressor is operated with the valve closed the outdoor unit will become overpressurized which may damage the compressor or other components If there is a leak at a connection air can be sucked in and the internal pressure further increases which may cause a burst or injury e Operate the air conditioner in the correct procedure as specified in the Owner s Manual 11 ANNUAL MAINTENANCE e For an air conditioning system that is operated on a regular basis cleaning and maintenance of the indoor outdoor units are strongly recommended As a general rule if an indoor unit is operated for about 8
33. indoor unit address and group address Completion of cabling work NO Do you arbitrarily set the indoor unit address YES MANUAL Is refrigerant line 1 line YES Is group control performed YES To AUTO address mode Do you change setting after automatic setting at the first time YES Connect one remote controller with one indoor unit 1 1 tentatively with communication cable Turn on power of outdoor unit Set to all indoor units one by one Turn on power of outdoor unit After completion of address setup change is to arbitral Turn on power of outdoor unit address group manually address finishes within Setup of automatic 4 to 5 minutes END e When the following addresses are not stored in the neutral memory IC503 on the indoor P C board a test run operation cannot be performed Unfixed data at shipment from factory tem code Data at shipment Setup data range 0089 0001 No 1 unit to 0064 No 64 uni Indoor unit address 13 0099 GOOT NO unit to 0064 No 64 unit i i Max value of indoor units in the identical refrigerant line 0000 Individual Indoor units which are not controlled in a group Group address 0001 Master unit 1 indoor unit in group control 0002 Sub unit Indoor units other than master unit in group control 89 10 2 Address lt Terminology gt Indoor unit No Group address Master unit 1 Sub unit
34. insulation of the compressor may become inferior NOTE The above descriptions are results of confirmation by our company and they are views on our air conditioners but they do not guarantee the use of the existing pipes of the air conditioner that adopted R410A in other companies 6 6 3 Branching Pipe for Simultaneous Operation System e In the concurrent twin system when TOSHIBA specified branching pipe is used it can be reused Branching pipe model name RBC TWP30E 2 RBC TWP50E 2 RBC TRP100E On the existing air conditioner for simultaneous operation system twin system there is a case of using branch pipe that has insufficient compressive strength In this case please change it to the branch pipe for R410A 6 6 4 Curing of Pipes When removing and opening the indoor unit or outdoor unit for a long time cure the pipes as follows e Otherwise rust may generate when moisture or foreign matter due to dewing enters in the pipes The rust cannot be removed by cleaning and a new piping work is necessary Place position Term Curing manner Outdoors Less than 1 month EE 49 6 6 5 Final Installation Checks Is there no scratch or dent on the existing pipes Existing pipe NO Use a new pipes e n NO Is it possible to operate the existing air conditioner YES After the existing air conditioner operated in cooling mode for approx 30 minutes or longer recover the refrigerant For
35. mm Wall thickness mm Reference outside diameter mm 6 4 0 8 9 5 0 8 Material 12 7 15 9 1 0 19 1 1 2 28 6 1 0 Half hard 3 When the outdoor unit was left with the pipes disconnected or the gas leaked from the pipes and the pipes were not repaired and refilled There is the possibility of rain water or air including moisture entering the pipe 4 When refrigerant cannot be recovered e There is the possibility that a large quantity of dirty oil or moisture remains inside the pipes 5 When a commercially available dryer is attached to the existing pipes e There is the possibility that copper green rust has been generated 24 6 When the existing air conditioner is removed after refrigerant has been recovered Check if the oil is judged to be clearly different from normal oil The refrigerator oil is copper rust green in color There is the possibility that moisture has mixed with the oil and rust has been generated inside the pipe There is discolored oil a large quantity of residue or a bad smell A large quantity of shiny metal dust or other wear residue can be seen in the refrigerant oil 7 When the air conditioner has a history of the compressor failing and being replaced e When discolored oil a large quantity of residue shiny metal dust or other wear residue or mixture of foreign matter is observed trouble will occur 8 When temporary installation
36. of R22 or R407C 35 Table 6 2 1 Thicknesses of annealed copper pipes Nominal diameter Outer diameter mm R410A 1 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 6 2 3 to 6 2 5 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 6 2 2 Table 6 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness 3 8 1 2 5 8 6 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing Procedures and Precautions a Cutting the Pipe By means of a pipe cutter slowly
37. of refrigerating cycle operation frequency decreases and error is detected operation stops Compressor lock SE Trouble of compressor Lock etc 1 Replace compressor H02 HO2 Over current detection after Stop o sd detected 2 Wiring error of compressor Open phase compressor start up 64 Check code before 3 series HO3 HO6 P03 P04 P22 P26 P29 after 4 series HO3 PO5 F23 HO6 P03 H04 P04 P05 P20 P22 P26 P29 Operation of diagnostic function Status of Judgment and measures Cause of operation Condition air conditioner c i ircuit St Displayed when 1 Check outdoor P C board MCC 1596 SES a SS error is detected AC current detection circuit 1 Check h f 3 ph ly Open phase of 3 phase power en Displayed when eck open p ase of 3 phase power supply supply p error is detected 2 Black lead wire to be connected to CNO3 of MCC 1596 does not pass through T611 1 Check connection of Ps sensor connector i 2 Check failure of Ps sensor Ps sensor error Stop E 3 Check compressing power error of compressor 4 Check 4 way valve error 5 Check outdoor P C board error 1 Check service valves are fully opened Gas side Liquid side 2 Check clogging of outdoor PMV PMV1 2 Displayed when 3 Check SV2 circuit Low pressure protective operation Stop error is detected 4 Check Ps sensor error 5 Check clogging of indoor filter 6 Check clog
38. of twin controls room temperature according to setting on the remote controller lt System example gt OUT IN Max 8 units Remote controller 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the master unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic address If power of the indoor unit is not turned on within 3 minutes completion of automatic address setting the system is rebooted and the automatic address setting will be judged again 1 Connect 3 In Out cables surely 2 Check line address indoor address group address of the unit one by one 3 The unit No line indoor gout address which have been set once keep the present status as a rule if the unit No is not duplicated with one of another unit 80 E Indoor unit power ON sequence e The unit without power feed waits entirely gt Waiting status is released by system start e Reboot when power is fed on the way lt By feed unit gt lt Automatic address judgment gt Not normal Gr construction check Normal Gr normal 1 There is no duplicated indoor unit address 2 There is no invalid indoor unit address 3 Individual unit and master follower units are not intermingled 4 Only a unit for individual 5 A master indoor unit an
39. or dust does not enter Digital Inverter EN E Required Tools Equipment and Precautions for Use Prepare the tools and equipment listed in the following table before starting the installation work Newly prepared tools and equipment must be used exclusively Legend LN Prepared newly Use for R410A only Do not use for refrigerant R22 or R407C etc O Conventional tools equipment are available Tools equipment Gauge manifold Charging hose Charging cylinder Use Vacuuming charging refrigerant and operation check Can not be used How to use tools equipment AN Prepared newly for R410A only AN Prepared newly for R410A only Unusable Use the refrigerant charging measure Gas leak detector Vacuum pump Gas leak check Vacuum drying Prepared newly Vacuum pump with backflow prevention function Flare tool Bender Torque wrench Pipe cutter Welding machine and nitrogen cylinder Vacuum drying O R22 Conventional tools Flare machining of pipes O Usable if dimensions are adjusted Bending pipes Tightening flare nuts O R22 Conventional tools Refrigerant recovery equipment Refrigerant recovery For R410A only Exclusive for 12 7 mm and 419 1 mm Cutting pipes O R22 Conventional tools Welding pipes O R22 Conventional tools Refrigerant charging measure E Refrigerant Piping New refrigerant R410A Charging refrigerant
40. phase 380V 60Hz Running current A 15 44 14 13 11 51 15 44 Power consumption 9 55 9 55 Cooling Power factor EER Energy efficiency class Electrical i me Running current A 10 34 9 47 characteristics Power consumption kW 6 40 Heating Power factor 94 COP 3 50 Energy efficiency class Maximum current A Fan Centrifugal Centrifugal Centrifugal Centrifugal Fan unit Standard air flow H M L m3 min 27 0 23 0 18 9 33 0 28 0 23 1 27 0 23 0 18 9 33 0 28 0 23 1 Motor w 120 120 120 e 12 80 11 72 10 34 12 80 94 Sound pressure level H M L dBeA 42 39 36 44 41 38 42 39 36 44 41 38 Sound power level H M L dBeA 57 54 51 59 56 53 57 54 51 59 56 53 Outdoor unit Max total length m 70 Min length m i Outdoor lower m 30 Height difference Outdoor high m 30 Fan unit Standard air flow high m3 min 133 Motor W 100 100 Gas side mm 28 6 Outdoor unit Pipe branch Liquid side mm 12 7 Connecting pipe Gas side mm 15 9 Pipe branch Indoor unit Liquid side mm 9 5 Sound pressure level Cooling Heating dB A 56 57 Sound power level Cooling Heating dBeA 72 74 14002BT E 1402BT E 2804AT7 11 51 10 54 PS gt eS E 7 12 O Ee Nr 94 2 81 no AN DN 00 N Wel K CO K zl A A O Outer dimension oO O 0 O oO O oO O so x al al CO O Ge N al al CO O o x al al Propeller fan Prope
41. pipes The pipe covers can be easily attached by cutting off the slits at the lower part of the covers in Be sure to wear heavy work gloves while working 10 Optional Installation Parts Locally procured Parts name Q ty Refrigerant piping Liquid side 012 7 mm Gas side 919 1 mm Approx 800 mm 28 6 mm Pipe insulating material polyethylene foam 10 mm thick C Putty PVC tape One each 1 One each REQUIREMENT Follow the instructions in the installation manual provided with the branch pipe kit and the instructions in the installation manual of the indoor unit to connect the refrigerant pipe between the branch pipe and indoor unit E Refrigerant Piping Connection NM CAUTION TAKE NOTE OF THESE 4 IMPORTANT POINTS BELOW FOR PIPING WORK 1 Keep dust and moisture away from inside the connecting pipes 2 Tightly connect the connection between pipes and the unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check for gas leaks at connection points Piping connection Liquid side Outer diameter Thickness 112 7 mm 0 8 mm Gas side Outer diameter Thickness 119 1 mm 1 2 mm 128 6 mm 1 0 mm half hard REQUIREMENT On the gas side be sure to use the 19 1 mm pipe provided with the outdoor unit EN 601 Digital Inverter Flaring 1 Cut the pipe with a pipe cutter Be sure to remove burrs that m
42. power level Cooling Heating dB A 72 74 Connecting pipe 12 7 56 57 72 74 2 P gl x IEC standard 20 1 1 11 Duct Type lt Double twin type gt Indoor unit 1 RAV SM 562BT E 802BT E 802BT E 802BT E 802BT E 802BT E 802BT E 802BT E 802BT E 2804AT8 E 2804AT7 23 0 23 0 27 0 27 0 Power supply 3 phase 380 415V 50Hz 3 phase 380V 60Hz 15 44 14 13 un 15 44 9 55 955 2 41 2 41 E 12 80 11 72 12 80 7 92 792 3 41 3 41 CE Centrifugal Centrifugal 13 0 11 9 9 8 19 0 16 2 13 3 13 0 11 9 9 8 19 0 16 2 13 3 Sound pressure level H M L dB A 40 37 33 40 37 34 40 37 33 40 37 34 Sound power level H M L dB A 55 52 48 55 52 49 55 52 48 55 52 49 Outdoor unit Indoor unit 2 RAV SM 562BT E Model Indoor unit 3 RAV SM 562BT E Indoor unit 4 RAV SM 562BT E Outdoor unit RAV SM 2244AT8 E Cooling capacity kW 20 0 Heating capacity kW 22 4 Running current A 11 51 10 54 Power consumption kW 7 12 94 Cooling Power factor O Ee N EER 2 81 Energy efficiency class Electrical characteristics Running current A 10 34 9 47 Power consumption kW 6 40 94 Heating Power factor COP 3 50 Energy efficiency class Maximum current A Fan Centrifugal Fan unit Standard air flow H M L m3 min Motor W 120 gt SNr A A al N y ao NJN ao JI ao Max total le
43. result in refrigerant leakage e Install the air conditioner securely in a location where the base can sustain the weight of the unit adequately e Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the unit falling e If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may be generated e After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may be generated e Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire e Use only the specified wiring during the unit installation Ensure that all terminals are securely fixed so preventing any external forces having a negative effect on the terminals e When the air conditioner cannot cool or heat a room well contact the dealer from whom you purchased the air conditioner as refrigerant leakage is considered as the cause In the case of repair that requires refill of refrigerant ask service personnel about details of the repair The refrigerant used in the air conditioner is harmless G
44. sec a Minimum rps in each zone 3 2 Heating fan control 1 Heating operations of the outdoor fan are controlled by a TE sensor TO sensor and the compressor revolution number Control from a minimum W1 to a maximum is performed according to the table below 2 Operation is fixed for 3 minutes after start up by a maximum fan tap corresponding to the zones in the table below Thereafter fan control is performed using the temperature from the TE sensor 3 When TE gt 24 C continues for 5 minutes the compressor is stopped The compressor is placed in the same state as a normal thermostat OFF without an error display The compressor is restarted after approximately 2 minutes 30 seconds and such interrupted operation does not constitute an error When the operation in 3 above is frequently performed the filter of the intake section of the indoor unit may require cleaning Therefore restart operation after cleaning the filter TE C Stop timer count Less than 45 rps or more 60 rps 45rps and less than 60 rps or more Until W1 C lt WA ww w 2 taps 20 sec 10 C lt TO WA WB WC Until WI 1 tap 20 sec mum 3 STO lt 5 Until Wi Maximum 10 lt TO lt 3C AT 1 tap 20 sec 2 taps 20 sec 50 4 Defrost control 1 During heating operations defrost operations are performed when the temperature from the TE sensor satisfies any of the conditions in the A to D zones 2 During defro
45. sensor error 3 Heat exchanger TE sensor error O 4 Heat exchanger TL sensor error 5 Outside air temperature TO sensor error ES Suction TS sensor error Heat sink TH sensor error Outdoor temperature sensor TE TS connection error i decias Outdoor EEPROM error Compressor lock Compressor lock O 0 0 0 0 90 O O O O GO OOOO OJO 0 0 0 0 e Ree Current detection circuit error Thermostat for compressor activated Model data not set on the service P C board 10 11 12 13 14 15 6 MCU MCU communication error 16 Discharge temperature error 17 Abnormal power open phase detected or abnormal voltage O Heat sink overheat Gas leak detected 1 2 O O O OJO OJO 010 OJO OO OO 0 00 18 1 4 way valve reverse error High pressure release operation OJO OJO O 00 0 000 0 Outdoor fan motor error Compressor driver short circuit protection 9 0 2 3 4 Position detection circuit error in one line display 2 2 2 2 O O 0 O GO O O GO OO setts 25 Ps sensor error Ps drop down error The LEDs and DIP switches are ER OV OOOO OO Re Ke located on the lower left of the P C board of the outdoor unit 1 2 3 4 DRAI 1 2 3 4 23 SW804 SW805 ON ON UIE SW802 SW803 O O O O O OO GO O G e O JO O0 0 0 00 OJO O
46. service PC board is available for several models cut the jumper wires according to the following table If they are not cut correctly an error code L10 or L29 appears on the remote controller and the operation of the air conditioner is disabled Factory setting default RAV SM2244AT8 E RAV SM2804AT8 gt E gt Characters that indicate the following No character Standard models Connected Z For salt affected areas ZG For heavily salt affected areas O Wd TH EE J804 to J806 O ITU TIET Lo J800 to J803 110 13 HOWTO EXCHANGE COMPRESSOR 13 1 Exchanging Procedure of Compressor Outline START NO Open PMV forcedly and then recover refrigerant n done Has refrigerant recovery work been done using a refrigerant recovery unit Turn off the leakage breaker Never recover the refrigerant to the outdoor unit For the refrigerant recovery work during reinstallation of repair work be sure to use the refrigerant recovery unit Recovery of refrigerant to the outdoor unit is unavailable otherwise a serious accident such as explosion or injury may be caused Remove the defective compressor Mount a service compressor Leakage check Vacuuming Charge the refrigerant m Z U 13 2 Exchange of Compressor For exchange of compressors refer to 11 Compressor in Section 14 Detachments EE 14 DETACHMENTS 14 1 Outdoor Unit RAV SM224 RAV SM280 series
47. windproofing measures referred to in the following examples 1 Install the unit so that its discharge port faces the wall of the building Keep a distance 500 mm or more between the unit and wall surface 500 mm AT WW i AAA E 2 Consider the wind direction during the operational season of the air conditioner and install the unit so that the discharge port is set at a right angle relative to the wind direction Strong wind Strong wind e When using an air conditioner under low outside temperature conditions Outside temp 5 C or lower in COOL mode prepare a duct or wind shield so that it is not affected by the wind lt Example gt Wind shield Wind shield Digital Inverter m Necessary Space for Installation Unit mm Obstacle at rear side Upper side is free 1 Single unit installation D AG Y 2 Obstacles on both right and left sides 150 or more The height of the obstacle should be lower than the height of the outdoor unit 200 or more 150 or 250 or more more 3 Serial installation of two or more units ES z KS 150 or 250 or 250 or 250 or more more more more The height of the obstacle should be lower than the height of the outdoor unit Obstacle also above unit v 150 or o e more 500 or Obstacle in front Above unit is free 1 Single unit installation y D Y TI TT AT TI 2 Serial installation of two o
48. 0OD gt Song 00000 mun 00000 7Otw7 O 000000 tH 000000 Sensor error unconnected eu Sen 201030 1 21029 101014 401059 o 31039 181019 601079 1 41049 201024 801099 2 51059 251029 1000119 37 61069 301034 12010199 4 71079 351039 14010150 5 B1089 401044 16010179 6 91099 45t049 18010199 7 1010105 501054 20010219 8 1110118 551059 22010299 9 1210129 601064 24010259 10 1310139 651069 26010279 11 1410149 701074 28010299 12 1510159 751079 0010319 137 1610169 801084 32010339 14 1710178 851089 94010359 15 1810189 801084 96010379 16 1910 19 9 951099 38010399 17 20 to 20 9 10010 104 40010419 18 2110 21 9 10510 109 42010439 197 22 t0 22 9 11010114 44010450 207 23 t0 23 9 11510119 46010 479 21 24 t0 24 9 12010 124 48010499 22 2510259 12510129 500 23 26 10 26 9 13010134 a 2710 279 13510189 ze 2810 28 9 14010144 1 26 29 10 299 14510 149 er 30 to 30 9 15010184 2 Over 31 Over is5 29 or more As TD TL and TH are sensors for high temperature there is error at normal temperature or below position For current value the current for the outdoor unit only is displayed 86 4 Specific operation for maintenance check SW801 SW804 The following specific operations for the maintenance check are performed by o
49. 10 5 Confirmation of Indoor Unit No Position cooocccnnncconccionccccnancconanoconarcnnanonnnas 95 11 INSTALLATION MANUAL 0000coccoccconconcconcnnnonnconncnnconnnnncnnronaronennananenarnnanonas 97 12 REPLACEMENT OF THE SERVICE P C BOARD 4316V392 MCC 1599 concccoccconcconcconcconnnon 110 13 HOW TO EXCHANGE COMPRESSOR cooccocccoccconcccnncnonnnonanenannnnnronanenannns 111 13 1 Exchanging Procedure of Compressor Outline 1 nerne nerne 111 13 2 Exchange of Compressor iaa linia 111 14 DETACHMENTS cununia 112 141 e Ud Le Or UD UO 112 15 EXPLODED VIEWS AND PARTS LIST eee eee eee eeeeeneeeeeeeeneeeeees 124 191 e Te Te fe t EE 124 15 2 ue Tel E 126 19 9 QUIAOOF Un liada 128 19 4 Inverter ASSeMDIV iii ln 130 SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications lllustrated marks and keep them Explanation of indications Indicates contents assumed that an imminent danger causing a death or serious injury of N DANGER EEN P the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the A N WARNING repair engineers the third parties and the users due to troubles of the product after work when a
50. 213 Blue bg ay CH 68 lt cN700 NA Yel low ET Do e CN702 LET La d e 00000 White AT CNO3 CNO7 cor re Interface CDB S MICC 1436 P C board ONTOS A Gray 745 CNO4 CNO8 CNO2 CNO6 MCC 1599 White White T7777 Reactor TAT d CH 56 ele se E Option Soe 00006 oe ARE oom Gray White CN711 AU Whi te oo Var ist Earth Jar istor 2 screw Red Earth CN710 screw White D Y Wnitel CN600 CN601 CN602 CN603 CN604 CN606 CN610 Lo White White Vellow White White White Yel low i La ONO Outdoor OOO TE TO 008000 GI TER 000000 Part name It nie de 2 D I bo bi FCO bo HI GOTT C Indoor cee if edb hh ompressor i i td unit OOO Low 1 Gotion Fan motor Power Supply am aD w mm w io H Earth TE TD TL lee eee em J 380 415V 3N 50Hz screw TS TO 380V 3N 60Hz 1 0 indicates the terminal block Alphanumeric characters in the cycle indicate the termial No 2 The two dot chain line indicates the wiring procured locally 3 EZA indicates the P C board d For the indoor unit circuit refer to the wiring diagram of the indoor unit High pressure switch RY 33 9 SPECIFICATIONS OF ELECTRICAL PARTS 5 1 Outdoor Unit RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG o Fees IN E TN ees eem IEEE ACTO CTI ICE TT man ope DO ETT ETS 1e Poon commesse wos O CITE S woos lien em siene NT O elegant wo
51. 2x17 U shape hole Mounting bolt hole Detailes of A legs Refrigerant pipe connecting port Refrigerant pipe connecting port Gas side Liquid side Drain hole 25 B legs Zi ous 43 20 Drain hole G20x88 o o Ee e 32 EEN e EEE OSOS NAS YANN nil E Mac 1 Ken KAN Alt iis il INS oc JJ OF JF IT VRQ EEN Y AV WET GZS Y 11 Y SEE O Z KG Cc J ipe 3 DM 2 ISSS Wi a ae WE BIS E AE R A ke A res e Je TIS G L GLb DCH OGE Knockout Drain Unit mm Z views Knockout for downward piping RBC DTWP101E Simultaneous Double Twin lt Branch pipe gt lt Joint pipe gt Inner diameter Outer diameter OC O25 4 diameter diameter D D A N i i Es Inner Inner t__ wz L il 128 6 6 6 Inner diameter 1 pc RBC DTWP101E 98 RBC TRP100E Simultaneous Triple lt Gas side gt Header assembly Inner diameter 25 4 lt Liquid side gt Branch pipe assembly 100 Inner diameter 12 7 Gas side socket 012 7 A 5 al I iS o o N EN y Mg ik 15 9 25 4 External External Inner diameter diameter diameter 128 6 i 3 pcs 1 pc 1 pc Inner diameter Insulator Liquid side socket A ze EEN OG A 9 5 JH H det N N 9 5 O12 7 External External diameter diameter RBC
52. 609 connection and case thermostat normal Y Is cooling heating operation available when short circuiting case thermostat Y E E E E Correct connector Case thermostat error gt Replace Check outdoor P C board MCC 1599 Defect Replace O O O S i i N S N Ki Is there no gas leak Repair defectives position Is it not refrigerant shortage Recharge refrigerant YES NO Is valve fully opened Open valve fully S S Y Ae Correct defective position EE Replace defective part YE Check crushed or broken pipe Defect Correct and Replace De A en Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Low pressure protective operation O O O Are gas pipe liquid pipe NO and service valve of the Open the service valve fully outdoor unit fully opened O YES Are the pressure NO sensor characteristics of Replace low pressure sensor low pressure normal YES Pressure by pressure gauge Check joint Pressure indication by LED Output power of I F CDB P C board If O and O and are different an error of the pressure sensor is considered If and are different check P C board NO Is SV2 circuit normal Correct SV2 circuit YES Check miss wiring wrong installation and connection of connector Isn t any indoor unit which
53. 7 Sound power level Cooling Heating dBeA 72 74 3 Se A E SNr O Wel E Wu 93 1 2 Outdoor Unit Modei Outdoor unit RAV SM 2244AT8 E 2804AT8 E 2244AT7 2804AT7 1 phase 380 415V 50Hz 1 phase 380V 60Hz Power supply Power exclusive to outdoor is required C pee EES DESCH A Refrigerant control Pulse motor valve Height difference E uncel 1Y8 5 0 5 Muncel 1Y8 5 0 5 Outside air temperature Cooling C C Outside air temperature Heating E 15 to 20C 15 to 20C Type Hermetic compressor Hermetic compressor Compressor A 24 1 3 Operation Characteristic Curve e Operation characteristic curve lt Digital Inverter gt RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E lt Heating gt lt Cooling gt V Juang Juang 50Hz 3 phase O Wel m O N m Q O O 3 5 O O CH Be Si ei aT H SZ 920 O CH D E Ost LO N lt lt ES O Cc 2 A 17 Cc O e S 3 O oO 5 st I I l I I I I Indoor DB27 C WB19 C Outdoor DB35 C Air flow High Pipe length 7 5m 400V 50Hz 3 phase e Conditions 60 80 100 Compressor speed rps 20 Compressor speed rps RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG lt Heating gt lt Cooling gt Juaund Outdoor DB7 C WB6 C 60Hz 3 phase Air flow High Pipe length 7 5m e Conditions Indo
54. 77 Relay 480V 20A Contact 43158199 Reactor CH 44 FCZ 2 43158207 Reactor CH 68 mm 702 703 mm pe 43153006 PTC Thermistor ZPROYCE101A500 706 707 708 43050425 Sensor Ass y Service TC F6 43150319 Sensor Ass y Service TD F4 43160565 Terminal Block 3P 20A AC250V me 43160579 Terminal 4P 30A 43060859 Fuse Block 30A 250V FH153 PB 1 4316V390 P C Board Ass y MCC 1596 Comp IPDU 4316V391 PC Board Ass y MCC 1597 Fan IPDU 4316V392 PC Board Ass y MCC 1599 CDB 4316V398 PC Board Ass y MCC 1600 N F 43063325 Holder Sensor 6 6 35 8 4316V393 P C Board Ass y MCC 1436 43160590 Fuse 6 3A AC250V 43282001 Bushing 43183020 720 43063248 Ecce 43060639 722 43163015 Collar Supporter Ass y Fuse 25A 250V 701 702 703 704 705 706 707 708 709 711 720 721 722 Supporter SE WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffoc
55. AC342 to 457V NO YES Confirm electric construction etc GL Ek LI Check outdoor P C board MCC 1600 Defect Replace lt Display 1 gt lt Display 2 gt Heat sink overheat error Is there no loosening of screws of motor drive element of outdoor P C board MCC 1596 Q201 Did nat forget to apply radiation grease to rear side of Q201 YES Apply radiation grease to objective part Retightening of screws NO 000000 Is not the ventilation flue of the heat sink blocked Is not the fan blocked Short circuit etc NO Remove blocking matter Correct short circuit YES Check outdoor P C board MCC 1596 Defect gt Replace lt Display 1 gt lt Display 2 gt Gas leak detection Is there no gas leak Is refrigerant charge amount adequate Repair defective position Recharge refrigerant O 8 O O O O YES NO Correct defective position lS PMV normal Replace defective part YES NO Is valve fully opened Open valve fully YES YES Is there no crushed pipe Correct and replace piping NO Check temp sensor Error Correct connector TD sensor CN603 TS sensor CN600 Sensor error Replace OK Check outdoor P C board MCC 1599 Defect Replace lt Display 1 gt lt Display 2 gt 4 way valve inverse error Temperature sensor check Is operation of 4 way valve normal FE SE GE Check pipe temp etc in cooling heating operation
56. Cooling Power factor O Ee N EER 2 81 Energy efficiency class Electrical characteristics Running current A 10 34 9 47 Power consumption kW 6 40 94 Heating Power factor COP 3 50 Energy efficiency class Maximum current A Fan Centrifugal Fan unit Standard air flow H M L m3 min Motor W gt xor 13 A A al N y ao Ju ao NJN ao Max total length m m Min length Outer dimension Height difference Fan Propeller fan Propeller fan pes e Second pipe branch Liquid side 9 5 159 159 57 58 57 88 74 75 72 74 74 75 13 Fan unit Standard air flow high m3 min Motor W 13 gt A SNr Connecting pipe Wel Wu co al m O mn co co Q al al 5 o Q a 3 3 Second pipe branch Gas side 12 7 Indoor unit Liquid side mm i Sound pressure level Cooling Heating dB A 56 57 Sound power level Cooling Heating dBeA 72 74 3 Se A E 1 O Wel E Wu 29 _ 1 1 12 High Wall Type lt Double twin type gt Indoor unit 1 RAV SM 562KRT E 802KRT E 802KRT E 802KRT E 802KRT E 802KRT E 802KRT E 802KRT E 802KRT E 2804AT8 E 2804AT7 23 0 23 0 27 0 27 0 Power supply 3 phase 380 415V 50Hz 3 phase 380V 60Hz 15 44 14 13 un 15 44 9 55 e 2 41 2 41 MEE 12 80 11 72 12 80 7 92 792 3 41 3 41 CE Maximum current A 22 22 Fan Cross flow fan
57. ES g D Indoor power d A Ge T OO A Remote controller Inter unit wiring BO T OB luni Outdoor side BR TE sener Remote controller wire LO Q UD Procured locally 380 415 V 3N 50Hz 380 V 3N 60Hz For details of wiring installation of the remote controller refer to the Installation Manual enclosed with the remote controller Simultaneous triple and double twin system Remote controller Remote controller Remote controller Remote controller O O inter unit wiring S inter unit wiring EI inter unit wiring ZA EN DON CH Remote controller __ E Ke E e 2 O e WS Gesi wiring al GJ ZY Indoor side P Indoor Outdoor RES connecting wires gt z Indoor power Indoor power JOWE Inter unit wiring inter unit wiring Indoor power Outdoor side SE ee Inter unit wiring U RN Za LOG OAS eee 380 415 V 3N 50Hz 380 V 3N 60Hz b om em em Triple Double twin Use 2 core shield wire MVVS 0 5 to 2 0 mm or more for the remote controller wiring in the simultaneous twin simultaneous triple and simultaneous double twin systems to prevent noise problems Be sure to connect both ends of the shield wire to earth leads Connect earth wires for each indoor unit in the simultaneous twin simultaneous triple and simultaneous double twin systems 93 10 4 Address Setup Manual setting from remote controller In case that addresses of the indoor units will
58. Ge Judgment and measures Cause of operation airconditioner Condition 3 series 4 series Disconnection short of discharge Displayed when 1 Check discharge temp sensor TD F04 F04 Stop temp sensor TD error is detected 2 Check outdoor P C board MCC 1599 Disconnection short of outdoor temp Displayed when 1 Check temp sensor TE F06 Stop i sensor TE error is detected 2 Check outdoor P C board MCC 1599 Disconnection short of outdoor temp Displayed when 1 Check temp sensor TL F07 Stop i sensor TL error is detected 2 Check outdoor P C board MCC 1599 F06 Disconnection short of suction temp Displayed when 1 Check suction temp sensor TS F12 Stop sensor TS error is detected 2 Check outdoor P C board MCC 1599 Miss mounting of outdoor temp Displayed when 1 Check temp sensor TE TS F15 Stop sensor TE TS error is detected 2 Check outdoor P C board MCC 1599 Fog Fog Disconnection short of outside temp be Displayed when 1 Check outside temp sensor TO sensor TO error is detected 2 Check outdoor P C board MCC 1599 Disconnection short of heat sink St Displayed when 1 Check outdoor P C board MCC 1599 temp sensor TH OR error is detected Q201 is incorporated in TH sensor Displayed when 1 Check outdoor P C board MCC 1599 Displayed when 1 Outdoor service P C board EE error is detected Check model type setting jumper wire 1 Ch
59. INTENANCE ocoocococoncoconoonononnononnnnoconnononnnnone senor nene cerraran 20 12 AIR CONDITIONER OPERATING CONDITIONS c s csscsscessscessesecsessesseseesessessseees 20 13 FUNCTIONS TO BE IMPLEMENTED LOCALLY s ssssscsscessscessescsessessesessesaeeesseees 21 14 TROUBLESHOOTING coin 22 15 APPENDIX EE 24 mM ACCESSORY PARTS WR Accessory Parts Installation manual 1 Hand this directly to the customer Drain nipple Protective bush For protecting wires pipe cover Guard material for passage part For protecting passage part pipe cover Clamp filter For conforming to EMC standards Used for power wire Joint 019 1 25 4 mm 1 0D For connecting the pipe Joint 125 4 28 6 mm 1 For connecting the pipe Elbow 1 DS For connecting the pipe E INFORMATION The main pipe on the gas side of this outdoor unit has a diameter of 28 6 mm but a 19 1 mm flare connection is used where the valve is connected Be sure to use the 19 1 mm pipe and joint provided as accessories for the pipe connection Before installing the unit check that the unit has the correct model name to prevent the wrong unit from being installed in the wrong place Before proceeding to weld the refrigerant pipe be sure to pass nitrogen through the pipe Before installing the indoor units read the instructions in the installation manual provided with the indoor units Before installing a branch pipe read the instructi
60. JO 0 OFF O ON O Flashing Enlarged view of LEDs lo o o SW800 SW801 SW806 Digital Inverter 15 APPENDIX Work instructions The existing R22 and R407C piping can be reused for our digital inverter R410A product installations WARNING Confirming the existence of scratches or dents on the existing pipes and confirming the reliability of the pipe strength are conventionally referred to the local site Basic conditions needed to reuse existing pipes Check and observe the presence of three conditions in the refrigerant piping works 1 Dry There is no moisture inside of the pipes 2 Clean There is no dust inside of the pipes 3 Tight There are no refrigerant leaks Restrictions for use of existing pipes In the following cases the existing pipes should not be reused as they are Clean the existing pipes or exchange them with new pipes 1 When a scratch or dent is heavy be sure to use new pipes for the refrigerant piping works 2 When the existing pipe thickness is thinner than the specified Pipe diameter and thickness be sure to use new pipes for the refrigerant piping works e The operating pressure of R410A is high 1 6 times that of R22 and R407C If there is a scratch or dent on the pipe or a thinner pipe is used the pressure strength may be inadequate which may cause the pipe to break in the worst case Pipe diameter and thickness
61. Leave the vacuum pump as it is for 1 or 2 minutes and check that the indicator of the compound pressure gauge does not return y Open the valve stem or valve handle fully First at liquid side then gas side y Disconnect the charge hose from the charge port y Tighten the valve and caps of the charge port securely 4 Use the vacuum pump vacuum pump adapter and gauge manifold correctly referring to the manuals supplied with each tool before using them Check that the vacuum pump oil is filled up to the specified line of the oil gauge When air is not charged check again whether the connecting port of the discharge hose which has a projection to push the valve core is firmly connected to the charge port EN Al Digital Inverter EN m How to Open the Valve Open or close the valve Liquid side Open the valve with a 4 mm hexagon wrench Gas side Valve unit Using a minus screwdriver turn it counterclockwise by 90 until it hits the stopper Full open Charge port Flare nut Handle position Closed completely Opened fully j Movable part of valve Stem Main stopper e While the valve is fully opened after the screwdriver has reached the stopper do not apply torque exceeding 5 Nem Applying excessive torque may damage the valve Valve handling precautions e Open the valve stem until it strikes the stopper It is unnecessary to apply further f
62. M2804AT8 Z ZG E 15 1 Outdoor Unit RAV SM2244AT8 Z ZG 53 15 4 St N SF d Tm Tm H Gester SA EE K ee A rN S AS 00 Co See O o DY eg 7 7 z IAS DP S A SAN ik TEDE ro Wat W EN SEH Semi wg A eg H ges ta ITA d acs Y Ni E te Ge e 41 eS aa en ate AGH rbd FNS Ss GT EA ASA TS JES NM AY ij y noo AA DE ia Ii N A LL JI d Mm S gt gt S 10 56 6 T O A NA lt q ANN 00 Y N r GE E Beet r KC A gt E OS L S AS VW BOS I i ANE Ee Y 7 Ron X i ei VU CRT AM a fs D 7 d 3 g SN a FOALS D Y AR Y Y or BY E Ae i 5 YW rh A V CG STD wy Ach och Y NED N gt 9 55 d x A 47 2 3 31 2 h A A o pithy y Le LO e OX 9 Det PFS re mM o EROS AE d GE i EE AT Y Cf CZ Ka GA ZS Ze CRY e VC O EN N RS OL ASS 44 16 17 22 23 24 40 3 A VAS SS 7 TZ Z 124 Model name RAV SM2244 RAV SM2804 AT8Z E AT8ZG E AT8Z E EOCaHon Description AT8 E AT8 E i 4312022 Fan Proprller PE492 Bell Mouth Guard Fan 43100323 Guard Fin Thermostat Bimetal Switch Pressure 4312C037 Motor Fan ICF 280 A100 1 4316V13 Bush 43146680 Valve Packed 12 7 10 Valve Ball SBV JABGTC 1 11 alve 2 way VPV 603D 3754684 oil Solenoid 2 wa
63. Motor Valve temp sensor TC TCJ detected 6 Check clogging and short circuit of indoor outdoor heat temperature over specified temp exchanger 7 Overcharge of refrigerant Recharge 1 Check lock of fan motor Displayed when 2 Check power supply voltage between L2 and N GH SR error is detected AC198 to 264V 3 Check outdoor P C board 1 When performing operation while taking off compressor wire P26 error occurs Check control P C board Short circuit error of compressor Stop Displayed when MCC 1596 driving element error is detected 2 When performing operation while taking off compressor wire an error does not occur Compressor rare short SE EE ee SE 1 Check control P C board MCC 1596 65 Error mode detected by remote controller or central controller TCC LINK Operation of diagnostic function Status of Check code Cause of operation Judgment and measures Condition Power supply error of remote controller Indoor EEPROM error 1 Check remote controller inter unit wiring Not displayed at all Operation on remote controller is impossible Central controller L20 Central controller Send C05 Receive C06 Central controller P30 x2 No communication with master indoor unit e Remote controller wiring is not correct e Power of indoor unit is not turned on e Automatic address cannot be completed No communication with master indoor unit e Disconnectio
64. OP 3 50 3 41 Energy efficiency class 9 9 2 mb 00 NO Wel Maximum current A ECH A A 2 Fan Centrifugal Centrifugal Centrifugal Centrifugal Fan unit Standard air flow H M L m9 min 19 0 16 2 13 3 19 0 16 2 13 3 19 0 16 2 13 3 19 0 16 2 13 3 Motor w 1 120 120 120 0 0 0 00 Sound pressure level m va 40 37 34 40 37 34 40 37 34 40 37 94 Sound powerieve a mal 55 52 49 55 52 49 Outdoor unit 7 Dag Outdoor high m Propeller fan Propeller fan Motor W 100 100 100 100 Outdoor unit Pipe branch Liquid side mm 9 5 Sound power lever cooing Heating mal 72 74 72174 55 52 49 7 A O A al Outer dimension oO O A al SU al Height difference 30 3 30 3 CA O ro on on Propeller fan 133 100 100 28 6 12 7 Connecting pipe 15 9 Pipe branch Indoor unit 57 58 74 75 Wel Wu Wel Wu x IEC standard io 1 1 6 Ceiling Type lt Triple type gt Indoor unit 1 RAV SM 802CT E 802CT 802CT E 802CT E Indoor unit 2 RAV SM 802CT E 802CT E Indoor unit 3 RAV SM 802CT E 802CT E Outdoor unit RAV SM 2244AT8 E 2804AT7 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 27 0 3 phase 380 415V 50Hz Power supply Energy efficiency class Running current A 15 44 Power consumption kW oun s lun 9 55 Cooling Power factor NS 94 Electrical a 12 80 characteristics
65. Outdoor fan single operation SW804 SW801 Doan E lt Display 1 gt lt Display 2 gt Short circuit of compressor drive element Is there no problem on connection of compressor lead or reactor Correct wiring Check referring to Wiring diagram YES The same error does not occur in NO operation without compressor lead Replace outdoor P C board YES Check compressor Rear short etc Defect Replace O 0 e lt Display 1 gt lt Display 2 gt Position detection circuit error Check outdoor P C board MCC 1596 Defect Replace 0060000 lt Display 1 gt lt Display 2 gt Other error Compressor disorder due to sudden change of load etc Although the display of outdoor LED outputs the unit automatically restarts and error is not determined LED display also may output due to negative phase of compressor or wire coming off OOOOO 78 Temperature sensor Temperature Resistance value characteristic table TA TC TCJ TE TS TO sensors TD TL sensors Representative value Representative value Temperature Temperature e OT s so s Resistance KQ Output voltage V 0 0 O 10 20 30 40 50 60 70 80 90 100 0 49 0 98 Temperature C Pressure MPa Pressure sensor l O wire connecting table Pin No Inpuvoutput name TD TL sensors Ca e oureur We a am 1 Sea il oov Bei Resistance kQ 50 C or lower Resistance kQ 50 C or
66. R410A 9 1 13 2 16 6 19 7 24 0 EE ANO ore oo ao wa we Becomes large a little for R410A Do not apply the refrigerator oil to the flare surface Airtight test Vacuum dry Refrigerant charge Gas leak check Trial run A3 6 6 6 Handling of Existing Pipe When using the existing pipe carefully check it for the following Wall thickness within the specified range Scratches and dents Water oil dirt or dust in the pipe Flare looseness and leakage from welds Deterioration of copper pipe and heat insulator Before recovering the refrigerant in the existing system perform a cooling operation for at least 30 minutes Cautions for using existing pipe Do not reuse a flare nut to prevent gas leaks Replace it with the supplied flare nut and then process it to a flare Blow nitrogen gas or use an appropriate means to keep the inside of the pipe clean If discolored oil or much residue is discharged wash the pipe Check welds if any on the pipe for gas leaks There may be a problem with the pressure resis tance of the branching pipes of the existing piping Replace them with branch pipes sold separately When the pipe corresponds to any of the following do not use it Install a new pipe instead e The pipe has been opened disconnected from indoor unit or outdoor unit for a long period e The pipe has been connected to an outdoor unit that does not use refrigerant R22 R410A or R407C
67. T7 A x SE no po mM oO Cooling capacity 20 0 Heating capacity 22 4 no gt Power supply 3 phase 380 415V 50Hz 3 phase 380V 60Hz Running current A 11 51 10 54 11 51 Power consumption kW Wel Cooling Power factor o gt EER 2 81 Energy efficiency class Electrical characteristics Running current A 10 34 9 47 10 34 Power consumption kW Heating Power factor COP 3 50 Energy efficiency class 00 i 00 Maximum current A Fan H M L m3 min Motor Outdoor unit e Height difference Second pipe branch Liquid side mm 9 5 9 5 Second pipe branch 12 7 Indoor unit 6 4 Sound power level Cooling Heating dBeA 72 74 Turbo fan Turbo fan CO O N Seck e O 01 A O 2i o 2 CH N Fan unit 133 11 2 9 1 133 11 2 9 1 gt no gt xe 43 39 34 43 39 34 58 54 49 58 54 49 13 Outer dimension 3 3 Connecting pipe 12 7 3 6 4 56 57 72 74 x IEC standard E e PR 1 1 10 Slim Duct Type lt Double twin type gt Indoor unt RAV SM564SDT E RAV SM564SDT E Indoor unt RAV SM564SDT E RAV SM564SDT E Model Indoor unt RAV SM564SDT E RAV SM564SDT E RAV SM564SDT E RAV SM564SDT E RAV SM2244AT8 E RAV SM2244AT7 20 0 22 4 3 phase 380 415V 50Hz 20 0 22 4 3 phase 380V 60Hz Cooling capacity Heating capacity ES E Power supply eS E Running curr
68. TO S H BA FILE NO A09 004 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE OUTDOOR UNIT lt DIGITAL INVERTER gt RAV SM2244AT8 E RAV SM2804AT8 E RAV SM2244AT8Z E RAV SM2804AT8Z E RAV SM2244AT8ZG E RAV SM2804AT8ZG E RAV SM2244AT7 RAV SM2804AT7 RAV SM2244AT7Z RAV SM2804AT7Z RAV SM2244AT7ZG RAV SM2804AT7ZG HFC PRINTED IN JAPAN Jun 2009 TOMO Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places so be sure to have a service person do it Do not attempt it yourself The cleaning diagram for the air filter is there for the service person and not for the customer CONTENTS SAFETY CAUHON WEE 4 Ts SPECIFICATIONS E 11 ld MOOGT amp GE 11 1 2 QUTGOOF Tu EE 24 1 3 Operation Characteristic Curve ccccccsseecsessecceneescenseecesseesenseeseenseesenseesees 25 2 CONSTRUCTION VIEWS EXTERNAL VIEWS cceeeceseeeseeeneeees 27 2 EK e TE e e le ei a EE 27 3 OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM en 31 4 WIRING DIAGRAM Eee ne aa 33 AA Outdoor amp I p EE 33 5 SPECIFICATIONS OF ELECTRICAL PARTS ss eee 34 Sl QUIAOOFUNIE auna aa 34 6 REFRIGERANT FAO Aioria IES 39 6 1 Safety During Installation Servicing ooomc
69. TWP101E Simultaneous Twin lt Branch pipe gt lt Joint pipe gt Inner diameter Outer diameter OC O25 4 UN Inner Inner E diameter diameter a SR D D A N 128 6 Ia Inner diameter I 1 pc ICON RBC TWP101E 30 3 OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG Solenoid valve E Check joint High pressure side TO sensor Muffler GER Pressure switch ke O45 x 230 L sensor E RS S Wgd El 4 way O Ale ff wee Bi S BE Check joint i Low pressure side TD sensor e e Pressure sensor ER Distributor Heat exchanger 8 2 rows 60 stages 9 5 1 row 60 stages 13 13 pass under cool pass TS sensor La Liquid tank PMV 1 45 x 420 L al A lat E ccumulator beam DH 2 oX oS Packed valve oH O12 7 PMV 2 Compressor DA550A3F 11M DAX Cooling Strainer gt Heating o SES e d Systematic diagram of refrigerating cycle RAV SM2244 series temp conditions DB WB C Cooling Compressor frequency E Heating 24 18 2 05 0 3 This compressor has a 4 pole motor The value when compressor frequency Hz is measured by a clamp meter is twice the compressor revolution number rps This data is cycle data obtained by combining a four way ceiling cassette simultaneous twin at a target pipe length Data will change depen
70. There may be a problem with the pressure resistance of the branching pipes of the existing piping Replace them with branch pipes sold separately When the pipe corresponds to any of the following do not use it Install a new pipe instead e The pipe has been opened disconnected from indoor unit or outdoor unit for a long period e The pipe has been connected to an outdoor unit that does not use refrigerant R22 R410A or R407C e The existing pipe must have a wall thickness equal to or larger than the following thicknesses Reference outside Wall thickness diameter mm mm ASE eS ee E 9 5 0 8 12 7 0 8 15 9 1 0 19 1 1 2 Half hard Half hard 28 6 1 0 e Do not use any pipe with a wall thickness less than these thicknesses due to insufficient pressure capacity 21 13 FUNCTIONS TO BE IMPLEMENTED LOCALLY e When using a V19 1 mm gas pipe for the existing piping set bit 3 of SW802 switch for existing pipe on the P C board of the outdoor unit to ON In this case the heating performance may be reduced depending on the outside air temperature and room temperature SW802 When shipped from factory When using existing pipe E CR CE Kn Cs Hm amp om a E Recovering Refrigerant Use the refrigerant recovery equipment to recover the refrigerant Digital Inverter 14 TROUBLESHOOTING You can perform fault diagnosis of the outdoor unit with the LEDs on the P C board of t
71. abinet Screws Compressor IPDU board State of compressor IPDU board when removed Q Part name Procedure A E 1 Detachment e m i rr h ration in 1 of 1 of and urn to right IN A As 2 Remove the flange nut fixing the fan motor and the propeller fan e The flange nut is loosened by turning to the right When tightening turn it to the left 3 Remove the propeller fan 4 Remove the connector for the fan motor from the inverter 5 Remove the fan motor lead from the fan motor lead fixing rubber member of the through section of the partitioning board 6 Remove the fixing screws 4 pieces while support ing the fan motor so that it does not fall Attachment 1 Mount the fan motor 2 Mount the individual components in the opposite procedure to that during detachment Points to note when assembling fan motor e Tighten the flange nut with 4 9Nem 50kgfecm e Adjust length of the fan motor lead at the fan motor lead fixing rubber member so that the fan motor lead is not slack in order to avoid contact of the fan motor lead with the propeller fan Attach the motor lead fixing rubber member to the partition board so that the projection is on the refrigerating cycle side Ensure that the heat exchanger does not come into contact with the fan motor lead CAUTION Ensure affixation of the fan motor lead to the motor Fan motor lead fixing rubber upper base using a metal band of the motor base a
72. act continuation Flash Indoor unit Heat exchanger sensor TCJ error Open Short of heat exchanger TCJ was detected Indoor unit Heat exchanger sensor TC error Open Short of heat exchanger TC was detected Indoor unit Room temp sensor TA error Open Short of room temp TA was detected gt mr gt gt LD IM Indoor unit Other indoor P C board error EEPROM error Other error may be detected If no error automatic address is repeated Indoor unit Indoor fan error Indoor AC fan error was detected Fan thermal relay worked gt i gt LT Indoor unit Overflow detection Float switch worked Indoor unit Indoor fan error Indoor fan error Over current Lock etc was detected Other indoor unit error Other indoor under condition of warning in group E03 L07 L03 L08 warning me Sub remote controller error in a grou Error in indoor group Network adapter Details of remote controller are displayed with unit No Only central control side is displayed Network adapter Communication error of central control system signal LAN system communication error Is not displayed on the remote controller LAN system communication error SEO CDSE Duplicated indoor address of central control system communication There are multiple communication adapters Network adapter There are multiple communication adapters on remote controller communication line ALT IM S Error mode detected by indoor unit Operation
73. al Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair may result in water leakage electric shock and fire etc 6 2 Refrigerant Piping Installation 6 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use Seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 6 2 1 Never use copper pipes thinner than 0 8mm even when it is avail able on the market NOTE Refer to the 6 6 Instructions for Re use Piping
74. an the Operate according to indoor commands without lowering revolution number of the lower limit for control details When high the compressor rotation speed to the lower limit In this case the timer counts 2 minutes 4 When the DOWN zone and the HOLD zone UP prohibition are superimposed for example during current release control or discharge temperature release control DOWN zone and the HOLD zone have priority over oil recovery control 53 14 Coil heating control 1 This control has the function of heating the compressor by applying a current to the compressor when not operating instead using a case heater This control is for the purpose of preventing stagnation of the refrigerant inside the compressor 2 Malfunction in the compressor may result if a current is not applied for a specified time before a test run after installation as was previously the case Similarly starting operation after turning the power OFF and not operating for a long time also requires application of a current before starting operation in the same manner as the test run 3 Application of current is determined by TD and TO sensors When the TO sensor is defective a backup control is automatically performed by the TE sensor When TO sensor is defective make a determination using the LED display of the outdoor interface board 4 The power is turned off when TD is 30 C or more Current application No current conditions TD lt 30 C
75. and TCJ sensors normal YES Check indoor P C board Defect Replace Is there no element which interfere heat exchange of indoor unit YES e Clogging of filter Eliminate interfering element e Clogging of heat exchanger e Short circuit NO Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect gt Correct defective position Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Fan system error Is there no problem on power supply voltage NO Check wiring construction 342 to 457V Ask repair of power supply YES Does the fan rotate without trouble when rotating shaft of fan motor with hands during power OFF Is there no problem on coil resistance of fan motor Between red and white lead wire 12 to 20 Between white and black lead wire 12 to 200 Between black and red lead wire 12 to 200 NO Check outdoor P C board MCC 1597 Replace fan motor Defect gt Replace Single operation check for outdoor fan 1 Set SW804 of Dip switch as the following figure and then push SW801 for approx 1 second to check single operation of outdoor fan Use this method to check which fan upper or lower fan has a trouble e When pushing SW801 for 1 second again or 2 minutes passed the fan stops 000000 2 After check turn off all Dip switch SW804
76. and removal of the air conditioner are repeated such as when leased etc 9 If the type of refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil alkyl benzene HAB Barrel freeze ester series PVE only of ether series e The winding insulation of the compressor may deteriorate NOTE The above descriptions are results have been confirmed by our company and represent our views on our air conditioners but do not guarantee the use of the existing pipes of air conditioners that have adopted R410A in other companies Branching pipe for simultaneous operation system e In the concurrent twin system when TOSHIBA has specified that branching pipe is to be used it can be reused Branching pipe model name RBC TWP30E2 RBC TWP50E2 RBC TRP100E On the existing air conditioner for simultaneous operation system twin triple double twin system there are cases of branch pipes being used that have insufficient compressive strength In such case please change the piping to a branch pipe for R410A Curing of pipes When removing and opening the indoor or outdoor unit for a long time cure the pipes as follows e Otherwise rust may be generated when moisture or foreign matter due to condensation enters the pipes e The rust cannot be removed by cleaning and new pipes are necessary Placement location Term Curing manner 1 month or
77. ant cannot be charged to the specified amount charge the required amount of refrigerant from the charge port of the valve on the gas side during cooling Requirement for replenishing refrigerant Replenish liquid refrigerant When gaseous refrigerant is replenished the refrigerant composition varies which disables normal operation Digital Inverter Adding additional refrigerant Figure of Simultaneous triple Indoor Unit Figure of Simultaneous twin Indoor Unit Indoor Unit Indoor Unit Indoor Unit Figure of Simultaneous double twin Indoor Unit Indoor Unit Indoor Unit Indoor Unit Formula for calculating the amount of additional refrigerant Formula will differ depending on the diameter of the liquid connecting side pipe 21 to 7 are the lengths of the pipes shown in the figures above unit m Simultaneous twin Amount of additional g m Amount of refrigerant added for main pipe amount of refrigerant added for branch piping Diameter of connecting pipe liquid side a x 41 28 B x 42 23 4 Simultaneous triple Amount of additional Amount of additional refrigerant g refrigerant per meter Amount of refrigerant added for main pipe g m amount of refrigerant added for branch 22 23 24 o B piping ess ees oes oo a x 21 28 B x 42 3 24 6 Simultaneous double twin Diameter of connecting pipe liqu
78. ating refrigerant Charge hose charge run check etc Electronic balance for Note When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools Vacuum pump Use vacuum pump by attaching vacuum pump adapter Torque wrench 8 Spanner or Monkey wrench Pipe cutter 9 Hole core drill Reamer 10 Hexagon wrench Opposite side 4mm Pipe bender 11 Tape measure Level vial Metal saw Screwdriver Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester Megger 2 Thermometer 4 Electroscope Combination Pattern Indoor Unit Outdoor Unit lt RAV SM2244AT series gt Simultaneous twin 4 way air discharge Concealed og RAV SM1104UTE 104UT E RAV SM1102BT E RAV SM1102CT E RAV SM1104UT E RAV SM1102BT E RAV SM1102CT E Simultaneous triple RAV SM804UTE RAV SM804UTE RAV SM802BT E RAV SM802BT E RAV SM802CTE RAV SM802CTE RAV SM802KRT E RAV SM802KRT E Simultaneous double twin KEE RAV SM564UT E RAV SM564SDTE RAV SM562BTE RAV SM562CT E RAV SMS62KRT E lt RAV SM2804AT series gt Simulta
79. ation Short circuited protective operation of compressor drive circuit element G Tr IGBT worked Outdoor unit Outdoor fan error utdoor Error Over current lock etc was detected on outdoor fan drive circuit Outdoor unit Position detection error utdoor Position detection error of compressor motor was detected DID o o O O O O O m o No remote controller master unit Remote Signal was not received from indoor unit Remote controller communication error controller Main remote controller was not set including 2 remote controllers m CH N Remote controller send error emoa Signal cannot be sent to indoor unit EN error between indoor and Indoor No communication from remote controller and network adapter OSI Indoor Outdoor serial error Indoor Serial communication error between indoor and outdoor m o Oo de O gt O e 0060000100100 0 Duplicated indoor addresses lt gt Indoor Same address as yours was detected Remote In 2 remote controller control both were set as master Duplicated main remote controllers controller Indoor master unit stops warning and follower unit continues operation x Communication error between CPU Indoor MCU communication error between main motor and micro computer Regular communication error between master and Il Regular communication was impossible between master and follower indoor units _ follower indoor units Communication between tw
80. ation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m lt Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3kg mY NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device e g charged amount 10kg 8 LZ Ka SES KS SN KH Sec Room A Ro
81. ay cause a gas leak 2 Insert a flare nut into the pipe and then flare the pipe Use the flare nuts supplied with the air conditioner or those for R410A Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for R410A are recommended However the conventional tools can be used by adjusting the projection margin of the copper pipe Projection margin in flaring B Unit mm dl ei Rigid Clutch type Conventional tool Outer diam of R410A tool used idas copper pipe R410A 1 0 to 1 5 19 1 Flaring diameter size A Unit mm Outer diam of copper pipe AR 12 7 16 6 In case of flaring for R410A with the conventional flare tool pull the tool out approx 0 5 mm more than that for R22 to adjust it to the specified flare size The copper pipe gauge is useful for adjusting the projection margin size 11 E Connecting the Gas Side Pipe REQUIREMENT e Be sure to use the 019 1 mm pipe and joint provided as accessories of the outdoor unit to connect the gas side 19 1 mm pipe and 28 6 mm pipe e When leading out the pipes toward the front to one of the sides or toward the rear use the 019 1 mm pipe and elbow provided as accessories of the outdoor unit and adjust the bending direction Cut the 19 1 mm pipe to the required length before using it 1 Align the provided 19 1 mm pipe wi
82. ble If check is not executed a fire an electric shock or an injury is caused Check after reinstallation N CAUTION Be sure to put on the gloves and a long sleeved shirt otherwise an injury may be caused with the parts etc Heavy gloves such as work gloves Put on gloves When the power was turned on start to work after the equipment has been sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating Cooling check operation a burn may be caused e New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed Therefore be sure that water dust the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refrigerant during installation work or service work If an incorrect work or incorrect service is performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to R410A shapes of all the joints including the service port differ f
83. cccnnncicncnncccnanonenannncnnannnenannncnnannnnnnnns 35 6 2 Refrigerant Piping InstallatiOD ocooncconnconnnnocacconnnencnnonancnnanenannnnanrnanrnnannnnas 35 Ds FO Le EE 39 6 4 Recharging of Refrigerat ooocconnccnncconccconcconacconnccnnncnnnnronnrnnnnrnnanrnnarnnanrnnanennannnas 39 6 5 Brazing OF PIDOS aitor E 40 6 6 Instructions for Re use Piping of R22 or R407C ccoonccocccconccoconconocconnnonanonnanons 42 _9 7 CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 45 7 1 Outdoor Unit Control BEE 45 7 2 Outline of Main Controls EE 49 9 TROUBLESHOOTING E 55 8 1 Summary of TroubleshootiNg oonccocnccconnccncncconancconanononnncnancnnnncrnnanrrnannrnnannnnzns 55 9 23 IFOUDIESHOQUNO WE 57 9 SETUP AT LOCAL SITE AND OTHERS occoccccocconcnonnconnnonnconanonanonnnnnnnnns 80 91 CAMO Eror HISTOFY castas 80 9 2 Group Control Operation ooooncccocnccccocncconcncnonanancnnnnnnennnnrrnnannrrnnnnrrnnnnrrnnannrnnzans 80 9 32 OUT Le tee 1 EEN 82 10 ADDRESS SETUP nia cc 89 10 1 Address Setup Procedure 0ccoooncccnncccccccoccnccncncconnnconnnncnnnnnnonnnennnnrnnnnnrnanerenanennnns 89 10 2 Address Setup amp Group Control coooncccnnciconnccconcconanccnnnnccnnnnenonnnnnnnncnnnnrnannnenans 90 10 3 Remote Controller WiriNg coocncconncccocnccncncccnnnncnnnnonannncnancnonnnnnnnnnennnnrnnnnnnnans 93 10 4 Address Setup Manual setting from remote controller ccomnnccononnono 94
84. ck ee 2 Gen EE Check indoor P C board i i 1 Trouble of drain pump Py Float switch operation S Displayed when 2 Clogging of drain pump 0 Float circuit Disconnection top error is detected 2 Check float switch Coming off Float switch contact error j Geer BE F Check indoor PC board 1 Position detection error Displayed when 2 Over current protective circuit of indoor fan driving unit operated P12 Indoor DC fan error Stop error is detected 3 Indoor fan locked 4 Check indoor P C board 1 Check 4 way valve 4 way valve system error heck d check val P19 After heating operation has started SE EE indoor heat exchangers temp is Automatic reset error is detected 3 Check indoor heat exchanger TC TCJ down 4 Check indoor P C board 08 LO3 LO7 L08 LO9 Stop 1 Judge follower unit while master unit is E03 L03 L07 or L08 Displayed when Follower unit P31 Own unit stops while warning is output Automatic reset error is detected 2 Check indoor P C board to other indoor units Coming off disconnection or short of Stop Displayed when l A dr NEES sensor Automatic reset error is detected 2 Check indoor P C board 1 Check indoor heat exchanger temp sensor TCu Coming off disconnection or short of St SUE EES 1 Check indoor heat exchanger temp sensor TC FO2 indoor heat exchanger temp sensor op Isplayed when TC Automatic reset err
85. cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation 36 c Insertion of Flare Nut d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conventional flare tool D Flare processing dimensions differ according r to the type of flare tool Z When using a conventional flare tool be sure Yyy GG aw to secure dimension A by using a gauge for size adjustment Fig 6 2 1 Flare processing dimensions Table 6 2 3 Dimensions related to flare processing for R410A R22 Outer Conventional flare tool Conventional flare tool Nominal Thickness diameter diameter Flare tool for mm R410A R22 R410A R22 clutch type Clutch type Wing nut type Clutch type Wing nut type mm se er 12 owas 10018 somes Table 6 2 4 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Flare nut width diameter mm mm mm SSES IC RE ICC 19 1 1 2 19 2 28 36 NO 1 Table 6 2 5 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm c mm Ca a a e s Tan 160 S 37 pl O
86. d 1 or more follower indoor units for Gr System start Automatic address starts Approx 1 minute up to finish 3 minutes elapse m 0 lt Initial communication gt Outdoor model distinction 10 seconds Indoor unit lt Cautions at test run gt Twin Master follower distinction Indoor unit Gr construction louver information Remote controller e Power supply Indoor Outdoor serial and Gr wiring OK e Powers of all indoor units are turned on within 3 minutes e Reception time for remote controller operation After power supply was turned on 1 When address is OK Approx 50 seconds 2 In AUTO address Approx 4 to 5 minutes Remote controller operation is available Approx 50 seconds after power ON lt Usual regular communication gt Regular communication between indoor units Every 30 seconds Master Follower Regular communication on the identical pipe every 30 seconds Twin Master Follower When the above status changes immediately communicates Repetition e In a group operation if the indoor unit which was fed power after judgment of automatic address cannot receive regular communication from the master unit and regular communication on identical pipe within 120 seconds after power was turned on it reboots system reset The operation starts from judgment of automatic address Gr construction check again If the address of the master unit was determined in the previous
87. d to the local site If the definite conditions can be cleared it is possible to update the existing R22 and R407C pipes to those for R410A models 6 6 1 Basic Conditions Needed to Reuse the Existing Pipe Check and observe three conditions of the refrigerant piping works 1 Dry There is no moisture inside of the pipes 2 Clean There is no dust inside of the pipes 3 Tight There is no refrigerant leak 6 6 2 Restricted Items to Use the Existing Pipes In the following cases the existing pipes cannot be reused as they are Clean the existing pipes or exchange them with new pipes 1 When a scratch or dent is heavy be sure to use the new pipes for the works 2 When the thickness of the existing pipe is thinner than the specified Pipe diameter and thickness be sure to use the new pipes for the works e The operating pressure of R410A is high 1 6 times of R22 and R407C If there is a scratch or dent on the pipe or thinner pipe is used the pressure strength is poor and may cause break age of the pipe at the worst Pipe diameter and thickness mm Reference outside Wall thickness diameter mm mm Half hard e In case that the pipe diameter is 12 7 mm or less and the thickness is less than 0 7 mm be sure to use the new pipes for works 3 The pipes are left as coming out or gas leaks Poor refrigerant e There is possibility that rain water or air including moisture enters in the pipe 4
88. dication Operation Timer Ready F02 Alternate flash P10 F04 FO6 FO7 Operation Timer F08 Alternate flash F12 F13 F15 Operation Timer F29 F31 Simultaneous flash H01 Operation Timer H02 H03 H04 HO6 LO Operation Timer Ready D Lod Simultaneous flash LO7 LO LO9 Operation Timer Ready SE EEN Simultaneous flash O Cause of trouble occurrence Heat exchanger sensor TCJ error Heat exchanger sensor TC error Heat exchanger sensor TA error Indoor unit sensor error Discharge temp sensor TD error Temp sensor TE error Temp sensor TL error Temp sensor TO error Temp sensor TS error Temp sensor TH error Temp Sensor miswiring TE TS Sensor error of outdoor unit 1 Indoor EEPROM error Outdoor EEPROM error Compressor break down Compressor lock Current detection circuit error Case thermostat worked PS pressure sensor error low pressure protective operation Outdoor compressor system error 1 Power supply outdoor P C board error Compressor overheat outdoor wiring error Outdoor unit low pressure system error Duplicated master indoor units There is indoor unit of group connection in individual indoor unit Unsetting of group address Missed setting Unset indoor capacity AUTO address If group construction and address are not normal when power supply turned on automatically goes to address setup mode
89. ding on the mounted pipe length or combination with the indoor unit 15 10 70 RAV SM2804 series Compressor oi a 3 temp conditions Indoor heat Outdoor heat drive revolution rps Far ra w 09 oe mcr our 11 LOW 18 15 5 15 Le 15 foer Jes ss e s ESTE ODDER we aoe eae mel eof eo e M HGH 15 10 70 This compressor has a 4 pole motor The value when compressor frequency Hz is measured by a clamp meter is twice the compressor revolution number rps This data is cycle data obtained by combining a four way ceiling cassette simultaneous twin at a target pipe length Data will change depending on the mounted pipe length or combination with the indoor unit EE 4 WIRING DIAGRAM 4 1 Outdoor Unit RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG Compressor IPDU board MCC 1596 Noise Filter CN20 P C board MCC 1600 Red CN201 O SAV UL mens lu erag CNO8 CNO9 CN10 CN2030 02 CNO7 3 EL KL E SL LE CN50 CN White Black Reactor CH 44 CN504 CN505 Blue Red CN502 White CN602 Black Fan IPDU board MCC 1597 CN500 Red CN750 CN700 WHI te Blue P501 White White Blue Green Gen A CNO1 White oe S 000 A CN708 0o 5 W Reactor 27
90. ductive core or inner insulator of the power and inter connecting wires when peeling them Use the power and Inter connecting wires with specified thicknesses specified types and protective devices required Remove the panel and you can see electric parts on the front side A metal pipe can be installed through the hole for wiring If the hole size does not fit the wiring pipe to be used drill the hole again to an appropriate size Furthermore be sure to secure these wires with the pipe valve fixing plate and cord clamps stored in the electric parts box Side D Space 8 5 mm Side C Space 4 mm t t Secure the indoor outdoor connecting wires at side C Electric parts box S e D GEN UU Ss NS UU SE Cord clamp des Pipe hole el Pipe valve fixing plate Panel 17 e When the outdoor air temperature drops power is supplied to the compressor with the purpose of preheating the compressor in order to protect it Therefore leave the main power switch at the on setting during the periods when the air conditioner is being used E Wiring between Indoor Unit and Outdoor Unit 1 Figure below shows the wiring connections between the standard indoor and outdoor units and between the indoor units and remote controller The wires indicated by the broken lines or dot and dash lines are provided at the installation place 2 Refer to the wiring diag
91. e address and performs control synchronized with Header indoor unit This unit does not perform the signal send receive operation with the outdoor units No judgment for serial signal error Configuration 2 Twin 3 Single group operation 90 10 2 2 Automatic Address Example from Unser Address No miswiring 1 Standard One outdoor unit 1 Single Individual Master Sub 2 Group operation Twin Triple operation Multiple outdoor units Miltiple indoor units only with serial communication 2 1 1 1 1 2 3 1 3 2 3 3 Sub Header Sub Header Sub Follower Master Header Sub Follower Sub Follower Only turning on source power supply Automatic completion s Header unit e Follower unit The header unit receives the indoor unit data thermo status of the follower Without identical line address amp indoor outdoor serial and then finally controls the outdoor compressor matching with its own thermo status The header unit sends this command information to the follower unit The follower unit receives the indoor unit data from the header With identical line address amp indoor outdoor serial and then performs the thermo operation synchronized with the header unit The follower unit sends own thermo ON OFF demand to the header unit Example No 1 1 header unit sends receives signal to from No 1 2 and No 1 3 follower units It is not influenced by the line 2 or 3 address indo
92. eck outdoor P C board Communication error between Displayed when MCC 1596 MCC 1597 MCC 1599 outdoor P C board MCU Stop error is detected 2 Connection check between CN802 of MCC 1599 and CN504 of MCC 1597 and also connection check between CN505 of MCC 1597 and CN851 of MCC 1596 Heat sink overheat error da Check screw tightening between PC Board and heat Heat sink temp sensor detected Stop SES a4 E sink and check radiator grease MCC 1596 L29 over specified temperature Check heat sink blast path Check gas leak recharge Detection of gas leak Check full open of service valve x Discharge temp sensor TD Stop Displayed when 3 Check PMV Pulse Motor Valve Suction temp sensor TS detected error is detected 4 Check broken pipe t t ified t SE Check discharge temp sensor TD suction temp sensor TS 4 way valve inverse error Check operation of 4 way valve After heating operation has started Check outdoor heat exchanger TE suction temp indoor heat exchanger temp lowers Displayed when sensor TS under the specified temp Stop error is detected 3 Check indoor heat exchanger sensor TC After heating operation has started Check 4 way valve coil outdoor heat exchanger suction temp rises over the specified temp Check PMV Pulse Motor Valve Compressor break down Check power supply voltage AC342 to 457V HO HO e Although operation has started Stop Displayed when 2 Overload operation
93. enerally the refrigerant does not leak However if the refrigerant leaks in a room and a heater or stove burner in the room catches fire it may generate toxic gas When you ask service personnel for repairing refrigerant leakage confirm that the leakage portion has been completely repaired e Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock e Do not install the air conditioner in a location that may be subjected to a risk of exposure to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Digital Inverter e Install the refrigerant pipe securely during the installation work before operating the air conditioner If the compressor is operated with the valve open and without the refrigerant pipe the compressor sucks air and the refrigeration cycle is overpressurized which may cause a burst or injury e When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and with the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in rupturing injury etc N CAUTION e Do not climb onto or place objects on top of the outdoor unit You may fall or the objects may fall off of the outdo
94. ent A 11 51 10 54 7 12 11 51 Power consumption 7 12 E CO E Cooling Power factor ro Es CO D 2 81 2 81 Energy efficiency class m m JI Electrical characteristics 10 34 9 47 6 40 10 34 6 40 Running current gt Power consumption CO K Power factor COP 3 50 Energy efficiency class Heating lt Es CO D 3 50 Maximum current A Centrifugal fan 13 0 11 3 9 7 Centrifugal fan Standard air flow H M L m8 min 13 0 11 3 9 7 gt Fan unit Motor ZS D Di mb O Extermal Standard at shipment static pressure Set up for tap exchange Pa 10 20 35 50 10 20 35 50 ag d Di gt Under air inlet H M L dBeA 45 40 36 45 40 36 Sound pressure level Back air inlet H M L dBeA 33 31 28 33 31 28 60 55 51 48 46 43 Under air inlet H M L dB A 60 55 51 Back air inlet H M L dBsA 48 46 43 Outdoor unit Sound power level 00 O Wel PEA N Motor 100 100 100 100 Outdoor unit Gas side mm 28 6 28 6 First pipe branch Liquid side mm 127 127 3 3 Outer dimension Height difference Fan Propeller fan Propeller fan Fan unit Standard air flow high m8 min 3 3 First pipe branch Gas side mm 15 9 15 9 Second pipe branch Liquid side mm Second pipe branch Gas side mm 12 7 Indoor unit Liquid side mm Sound pressure level Cooling Heating dB A 56 57 Sound
95. ernate Alternate flashing when there are two flashing LED SIM Simultaneous Simultaneous flashing when there are two flashing LED A Remote controller Block indication Representative defective position indication Operation Timer Ready Automatic Operation Detection reset continuation utdoor Open Short of discharge temp sensor was detected FO Outdoor unit Discharge temp sensor TD error ro e Outdoor unit Temp sensor TE TS TL error A anor HASSE SES Outdoor unit Outside temp sensor TO error utdoor Outdoor unit Temp sensor TL error utdoor LT Outdoor unit Temp sensor TS error utdoor LT utdoor Explanation of error contents 5 O e i G Cc a C a a a a a a O O O O O O a a a a S T T OIO N 00 Een GE gt gt F12 F13 F15 F31 O OG gt gt Outdoor unit EEPROM error utdoor Outdoor PC board part EEPROM error was detected Outdoor unit Compressor break down When reached min Hz by current release control short circuited current Idc after DC excitation was detected T 2 I CH N Outdoor unit Compressor lock utdoor Compressor lock was detected ae 0000 O O 000010 DOOIOO O IO Outdoor unit Case thermostat operation IMA Outdoor unit Current detection circuit error utdoor Current detection circuit error i_ f i Case thermostat operation was detected Outdoor unit low pressure system error utdoor Ps pressu
96. es abnormally high pressure and may cause a rupture or personal injury OUTDOOR unit INDOOR unit AE Liquid side SE FE ies Refrigerant cylinder VU With pipe Check valve EE E Open Close valve ad ba for Ge e D Electronic balance for IN charging Service port Fig 6 4 1 Configuration of refrigerant charging 39 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold Refrigerant cylinder Electronic balance OUTDOOR unit R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composition of the charged refrigerant changes and the characteristics of the equipment varies Fig 6 4 2 6 5 Brazing of Pipes 6 5 1 Materials for Brazing 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solder ability Phosphor bronze brazing filler Phosphor bronze braz
97. firmed 3 The check code on the remote controller is displayed only when the same error occurred continuously by multiple times while LED of the outdoor P C board displays even an error which occurred once Therefore the display on the remote controller may differ from that of LED LED display on outdoor P C board Dip switch setup When turning on 1 only of SW803 the latest error lt Latest error display gt is displayed As the memory is stored it can be Only 1 of SW803 is ON confirmed even if the power supply is turned off SN once excluding outside temp sensor TO error HUH When the work finished or the outdoor temp 1234 sensor TO error was founa turn off all of SW803 i The error which occurs at present is displayed lt Error display which occurs at present gt All SW803 are OFF Initial status ON HEH 1234 Display selection lt Display 1 gt lt gt lt Display 2 gt When even a LED of D800 to D804 Yellow No error Error occurred Push SW800 goes on error occurrence is indicated lt Display 1 gt D805 Green If pushing the button switch SW800 for 1 second D804 Yellow under the above condition the yellow LED is D803 Yellow Yellow displayed with flashing lt Display 2 gt D802 When pushing SW800 for 1 second again the D801 status returns to lt Display 1 gt D800 Yellow The error contents can be confirmed by combining lt Display 1 gt and lt Display 2 gt Check Ou
98. g an electric insulator e Attach a plate indicating WORKING or others on the breaker so that you don t accidentally turn on the breaker during work For details refer to the electric wiring diagram Turn off breaker high voltage capacitor terminals Execute discharge If discharge is not executed an electric shock is caused by high voltage resulted in a death or injury between terminals After turning off the breaker high voltage also keeps to apply to the high voltage capacitor O When removing the front panel or cabinet execute short circuit and discharge between Do not turn on the breaker under condition that the front panel and cabinet are removed An electric shock is caused by high voltage resulted in a death or injury Prohibition Do not bring a child close to the equipment Insulating measures Refrigerant Assembly Cabling N WARNING Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework Do not modify the products Do not also disassemble or modify the parts lt may cause a fire electric shock or injury For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused zs For details refer to the parts list Before troubleshooting or
99. ge of the compressor e NV AA e The power lead connection section of the KL zw f gt compressor is a round terminal connection Y S 8 Remove the sensor pipe cover fixed to the p aad discharge pipe ANELSE 9 Using a burner remove the discharge pipe and Wale ned the suction pipe connected to the compressor Remove suction pipe A _ _m__JJ_ UU Sensor pipe cover A WARNING AS 4 When removing the piping by broiling the welded part Pe A with a burner ensure that there is no oil in the pipe in lb el order to avoid the risk of fire with the melted wax H r R R L 10 Disengage the discharge pipe and the suction dirias dea pipe of the refrigerating cycle upwardly i 11 Remove the compressor nuts which fix the H compressor to the bottom plate 3 pcs mm Mi 12 Pull out the compressor toward you ws Compressor bolt 3 pcs A CAUTION As the weight of the compressor is 20kg or more it should be handled by 2 workers When there is no oil in the compressor the mass of the compressor is 22 kg E E No Part name Procedure ems 4D Compressor 2 Attachment continued 1 Mount the compressor by reversing the procedure for removal N CAUTION The fixing torque for the hexagonal bolts fixing the compressor is 19 6Nem 200kgfecm 3 Vacuuming 1 Connect the vacuum pump to the cha
100. ging of expansion valves and capillary tubes lt Flare nut gt Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installation of the air conditioner However clear impurities when using them 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Existence of Whether conven Whether conventional new equipment tional equipment equipment can be used for R410A can be used quip Copper pipe gauge for Flaring by conventional OE adjusting projection margin flare tool Note Note ES Torque wrench wrench Tightening of fiare nut of flare nut Gauge manifold Evacu
101. ging of refrigerant pipe 7 Check of outdoor fan operation In heating mode 8 Check short of refrigerant Discharge temp error i 1 Check refrigerating cycle Gas leak Displayed when f x Discharge temp TD over Stop Aronia detected 2 Trouble of electronic expansion valve specified value was detected 3 Check discharge temp sensor TD 1 Check case thermostat and connector Case thermostat operation Displavedwh EE x Abnormal overheat of compressor SE SCH Ee ee 4 Check PMV Pulse Motor Valve 5 Check broken pipe 1 Check service valves are fully opened Gas side Liquid side 2 Check of outdoor fan operation 3 Check motor error of outdoor fan 4 Check clogging of outdoor PMV PMV1 2 i Displayed when e geg High pressure SW system error Stop GES detected 5 Check clogging of heat exchanger in indoor outdoor units 6 Short circuit status of suction discharge air in outdoor unit 7 Check outdoor P C board error 8 Check fan system error Cause of air volume drop at indoor side 9 Check PMV opening status in indoor unit Power supply voltage error Se 1 Check power supply voltage AC342 to 457V 1 Check outdoor heat exchanger sensor TL High pressure protective operation 2 Check indoor heat exchanger sensor TC TCJ During cooling operation outdoor 3 Check full open of service valve lo oe eho temp Stop Displayed when 4 Check indoor outdoor fan EE error is detected 6 Check PMV Pulse
102. gt When 4 way air discharge cassette type wireless remote controller is connected Check defective position and parts 1 Outline of judgment The primary judgment to check where a trouble occurred in indoor unit or outdoor unit is performed with the following method Method to judge the erroneous position by flashing indication on the display part of indoor unit sensors of the receiving unit The indoor unit monitors operating status of the air conditioner and the blocked contents of self diagnosis are displayed restricted to the following cases if a protective circuit works 56 8 2 Troubleshooting 8 2 1 Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method Method to judge the erroneous position by flashing indication on the display part of the indoor unit sensors of the receiving part The indoor unit monitors the operating status of the air conditioner and the blocked contents of self diagnosis are displayed restricted to the following cases if a protective circuit works Go off O Go on Flash 0 5 sec Lamp indication Check code Cause of trouble occurrence Operation Timer Ready Power supply OFF or miswiring between receiving unit and indoor unit No indication at all m h 0 Receiving error Sending error Miswiring or wire connection error Receiving unit between recei
103. h blocks heat exchanger of the outdoor unit Clogging of heat exchanger Short circuit Elimination of blocking element Overcharge of refrigerant Clogging Pipe breakage Abnormal overload TA Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit Heating operation T Are connections of masa ee Se r fan connectors capacitors ERP i and fan motor normal YES Is there any element which R Clee deer exchanger Elimination of Repair Cleaaing ct heal exchanger blocking element defective position G Short circuit Clogging by refrigerant Are characteristics overcharge Pipe breakage of TC and TCJ sensor Abnormal overload resistance value normal YES Check indoor P C board Replace Defective gt Replace TC or TCJ sensor lt Display 1 gt lt Display 2 gt Case thermostat operation gt Refer to H04 column lt Display 1 gt lt Display 2 gt Power supply error Vdc Refer to P05 column lt Display 1 gt lt Display 2 gt High pressure protective operation Refer to P20 column 75 Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Power supply error Voltage error Is there no open phase YES of the power supply Correct wiring NO Is there no down or up of power supply voltage
104. han OFF various indications are displayed Power ON display D805 Green LED When the power of the outdoor unit is turned on LED goes on When SW801 and SW804 operate the specific operation LED flashes All LED are colorless when it goes off SW804 SW805 Enlarged view of aaa SW802 SW803 SW800 SW801 SW806 D502 D503 83 9 3 3 Others 1 Selection of LED display SW800 SW803 operation 1 Display selection list The displayed contents of LED D800 to D804 on the outdoor control P C board can be exchanged by operation of SW803 tn Function Contents Seier Error display Error generating at present Refer to Error generating at present is displayed 2 This switch goes off when an error does not generate e Only error of TO sensor is not displayed by this setting Confirm it by setting of error which is generating at present Error display The latest error Latest error including present Refer to After error status was cleared the error which generated before 2 can be confirmed by this setting Reconfirmation is available even if power supply was turned off once e If an error generates at present the same contents as those of error which is generating at present are displayed Temperature sensor display Refer to The detected value of temperature sensor is displayed 3 Sws03 54808 sw803 SW303 DCH SW803 SW803 SW803 swe03 Current display Refer to The cu
105. he outdoor unit in addition to using the check codes displayed on the wired remote controller of the indoor unit Use the LEDs and check codes for various checks Details of the check codes displayed on the wired remote controller of the indoor unit are described in the Installation Manual of the indoor unit Verifying current abnormal status 1 Check that DIP switch SW803 is set to OFF 2 Jot down the states of LED800 to LED804 Display mode 1 3 4 Check the code whose display mode 1 equals the LED states jotted down and display mode 2 equals the current flashing Press SW800 for at least 1 second The LED status changes to display mode 2 status of LED800 to LED804 from the following table to identify the cause Verifying an abnormal state in the past although the abnormal state no longer occurs 1 Set bit 1 of DIP switch SW803 to ON 2 Jot down the states of LED800 to LED804 Display mode 1 3 4 Find an error whose display mode 1 equals the LED states jotted down and display mode 2 equals the current flashing Press SW800 for at least 1 second The LED status changes to display mode 2 states of LED800 to LED804 from the following table to identify the error An outside air temperature TO sensor error can be checked only while it occurs 22 EN 80 Digital Inverter EN Display mode 1 Display mode 2 D801 D802 D803 D804 D800 D801 D802 D803 1 Normal 2 Discharge TD
106. hough these operations can be performed even during operation basically perform operation while the unit stops Heater output relay operation i i For check RY703 CN703 check If performing this operation Turn on relay for option heater RY703 A o E Un EIS y H i dangerous because the When pushing SW801 again or when 2 minutes pressure may change suddenly elapsed the operation returns to the normal control Outside output relay operation RY704 CN704 Turn on relay for outside output RY704 When pushing SW801 again or when 2 minutes elapsed the operation returns to the normal control Forced start command The indoor unit connected to the system is forcedly started The indoor unit starts operation by setting of the operation mode on the remote controller Forced stop command The indoor unit connected to the system is forcedly stopped Relay operation change for outside output CAUTION Do not use this setting 88 10 ADDRESS SETUP 10 1 Address Setup Procedure When an outdoor unit and an indoor unit are connected or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided the automatic address setup completes with power ON of the outdoor unit The operation of the remote controller is not accepted while automatic address works Approx 4 to 5 minutes Setup of line address of outdoor unit
107. hours daily the indoor outdoor units will need to be cleaned at least once every 3 months This cleaning and maintenance should be carried out by a qualified service person Failure to clean the indoor outdoor units regularly will result in poor performance icing water leaking and even compressor failure 12 AIR CONDITIONER OPERATING CONDITIONS For proper performance operate the air conditioner under the following temperature conditions Cooling operation Dry valve temp 15 C to 46 C Heating operation Wet valve temp 20 C to 15 C If air conditioner is used outside of the above conditions safety protection may work 20 EN e AN Zem Digital Inverter m Handling Existing Pipe When using the existing pipe carefully check for the following e Wall thickness within the specified range e Scratches and dents e Water oil dirt or dust in the pipe e Flare looseness and leakage from welds e Deterioration of copper pipe and heat insulator e Before recovering the refrigerant in the existing system perform a cooling operation for at least 30 minutes Cautions for using existing pipe e Do not reuse a flare nut to prevent gas leaks Replace it with the supplied flare nut and then process it to a flare e Blow nitrogen gas or use an appropriate means to keep the inside of the pipe clean If discolored oil or much residue is discharged wash the pipe e Check welds if any on the pipe for gas leaks e
108. id side 1 Diameter of connecting pipe Amount of additional Amount of additional refrigerant g Outdoor liquid side refrigerant per meter g m Amount of refrigerant added for main pipe nit amount of refrigerant added for first 21 22 23 4to 27 et B y branch piping amount of refrigerant added for second branch piping a x 1 28 P x 424 43 4 SM2244 12 7 9 5 OG A 80 40 20 yx 4 5 6 27 ax 1 28 P x 424 3 4 SM2804 912 7 GER 9 5 80 40 40 sie UA 454 164047 16 EN G0L Digital Inverter d EN ELECTRICAL WORK WARNING As Using the specified wires ensure that the wires are connected and fix wires securely so that the external tension to the wires does not affect the connecting part of the terminals Incomplete connection or fixation may cause a fire etc Be sure to connect the earth wire grounding work Incomplete grounding may lead to electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires The appliance shall be installed in accordance with national wiring regulations Capacity shortages of the power circuit or an incomplete installation may cause an electric shock or fire N CAUTION Wrong wiring may cause a burn out of some electrical parts Be sure to use the cord clamps attached to the product Do not damage or scratch the con
109. in master Main unit and follower sub unit was impossible SIM Duplicated indoor master units lt gt Indoor There are multiple master units in a group There is group cable in individual indoor unit lt gt Indoor When even one group connection indoor unit exists in individual indoor unit m CH O 00 O 0 000l o E10 E18 LO3 LO7 L08 LO L30 P19 i OG Unset indoor group address lt gt Indoor Indoor address group was unset Unset indoor capacity Indoor Capacity of indoor unit was unset Outside error input to indoor unit Interlock Indoor Abnormal stop by CN80 outside error input ALT ae In heating operation error was detected by temp down of indoor heat exchanger or temp up ofTE TS lt gt When this warning was detected before group construction address check finish at power supply was turned on the mode shifts automatically to AUTO address setup mode o O O O o Remote controller indication Sensor lamp part O Go on Flash Go off ALT Alternate Alternate flashing when there are two flashing LED SIM Simultaneous Simultaneous flashing when there are two flashing LED Block indication Operation Timer Ready O O 3 OJO 00000 gt gt CG Z By unit with warning No O O O Ga E Automatic Operation Representative defective position Explanation of error contents re
110. ing Heating dB A 56 57 Sound power level Cooling Heating dBeA 72 74 lt Twin type gt 1402CT E 1402CT E 2804AT7 11 51 10 54 eme gt eS E 7 12 O Ee Nr 94 2 81 no AN DN 00 N Wel K CO K E O zl A A O Outer dimension oO O 0 O oO O oO O so x al al CO O Ge N al al CO O o x al al Propeller fan Propeller fan Propeller fan 133 133 133 100 100 100 100 100 100 28 6 28 6 28 6 12 7 12 7 12 7 15 9 15 9 15 9 57 58 56 57 57 58 74 75 72 74 74 75 A al x IEC standard 343 1 1 4 4 Way Cassette Type lt Triple type gt Indoor unit 1 RAV SM 804UT E 804UT E Indoor unit 2 RAV SM 804UT E 804UT E Indoor unit 3 RAV SM 804UT E 804UT E Outdoor unit RAV SM 2244AT8 E 2804AT7 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 27 0 3 phase 380 415V 50Hz Power supply Energy efficiency class Running current A 10 34 9 47 12 80 11 72 10 34 Power consumption kW 6 40 ni 9 E 9 Maximum current Turbo fan Turbo fan Turbo fan 20 5 16 0 13 5 20 5 16 0 13 5 20 5 16 0 13 5 20 5 16 0 13 5 7 3 3 Running current A 15 44 Power consumption kW 9 55 Cooling Power factor NS 94 Electrical a 12 80 characteristics 4 6 40 7 92 Heating Power factor 4 O Ee Nr 2 COP 3 50 0 3 41 9 C 9 5 Energ
111. ing filler is generally used to join copper or copper alloy Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes Japul Ao JUBJOBUJOY Electronic balance Cylinder without siphon Gauge manifold OUTDOOR unit Siphon 1 Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spring resort etc and coat the surface with a paint When performing brazing again at time of servicing use the same type of brazing filler 6 5 2 Flux 1 40 Reason why flux is necessary e By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler e In the brazing process it prevents the metal surface from being oxidized e By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 2 Characteristics required for flux e Activated temperature of flux coincides with the brazing temperature e Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing e The corrosive action to the treated metal and brazing filler is minimum e It excels in coating performance a
112. ion temperature TA Compressor discharge temperature TD Indoor heat exchanger Coil temperature TCJ EE suction temperature TS d Heat sink temperature THS Indoor heat exchanger Coil i temperature TC Operation current x 1 1 0 Indoor fan revolution frequency Outdoor heat exchanger Coil temperature TL Indoor fan calculated operation time Compressor operation frequency Filter sign time Outdoor fan revolution frequency Lower Indoor discharge temperature 1 Outdoor fan revolution frequency Upper Compressor calculated operation time 40 sj l Lo c gt Bn O O kel E Outdoor unit data The item codes with marks in the above table are displayed only on the indoor units of 4 series models and after 4 series indoor units mean RAV SM1404UT E for example d 3 Push ee button to select the indoor unit to be monitored Each data of the indoor unit and its outdoor units can be monitored Y 4 Pushing Gi button returns the status to the usual display 1 The indoor discharge temperature of item code F8 is the estimated value from TC or TCJ sensor Use this value to check discharge temperature at test run A discharge temperature sensor is not provided to this model e The data value of each item is not the real time but value delayed by a few seconds to ten odd seconds 60 3 oo NO gt 8 2 4 Check Code List Outdoor O Goon Flash Go off ALT Alt
113. ipe length m Branch piping Height difference m Indoor outdoor H Total length e 4 2 25 2 e 21 22 24 e 4 2 26 3 a e 41 224 25 e 24 2 27 3 Indoor Outdoor ace e 214 23 26 e 5 2 26 3 unit unit Ah e 21 23 27 e 5 2 27 23 Upper Upper Maximum e 26 3 7 3 Maximum SM2244 SM2804 Ond Pipe diameter mm Wuni Khari utdoor Gees SC umber of ben unit Main pipe l Branch piping _ portions Gas side Gas side Liquid side 2 3 915 9 2 3 09 5 years 24 5 6 27 D12 7 24 5 6 7 96 4 EE SM2804 22 to 27 915 9 22 to 7 09 5 10 or less Figure of Simultaneous double twin Indoor Unit Indoor Unit Indoor Unit Indoor Unit Digital Inverter AIR PURGING E Airtight Test Before starting an airtight test further tighten the spindle valves on the gas side and liquid side Pressurize the pipe with nitrogen gas charged from the service port to the design pressure 4 15 MPa to conduct the airtight test After the airtight test is completed evacuate the nitrogen gas E Air Purge With respect to the preservation of the terrestrial environment adopt Vacuum pump to purge air Evacuate air in the connecting pipes when installing the unit e Donot discharge the refrigerant gas to the atmosphere to preserve the terrestrial environment e Use a
114. ition that the outdoor temperature is 0 C or lower draining defrosted water may be difficult due to the bottom plate freezing resulting in trouble with the cabinet or fan It is recommended to procure an anti freeze heater locally in order to safely install the air conditioner For details contact the dealer Digital Inverter 5 REFRIGERANT PIPING Knockout of Pipe Cover Knockout procedure Rear direction A Pipe cover gt Side direction Front direction de l Down direction e The indoor outdoor connecting pipes can be connected in 4 directions Take off the knockout part of the pipe cover through which pipes or wires will pass through the base plate e Detach the pipe cover and tap on the knockout section a few times with the shank of a screwdriver A knockout hole can easily be punched e As shown in the figure below it is easier to punch out the knockout hole when the pipe cover is left in place rather than when the cover is removed from the unit In knocking out the hole the knockout section can easily be removed by hand once the bottom of the three locations where the section is joined along the guide lines is broken using a screwdriver e After punching out the knockout hole remove burrs from the hole and install the protective bush and guard material around the passage hole provided as accessories in order to protect the wires and pipes Also be sure to attach the pipe covers after connecting the
115. ller fan Propeller fan 133 133 133 100 100 100 100 100 100 28 6 28 6 28 6 12 7 12 7 12 7 15 9 15 9 15 9 57 58 56 57 57 58 74 75 72 74 74 75 A al x IEC standard GO 1 1 3 Ceiling Type Indoor unit 1 RAV SM 1102CT E Mode Indoor unit 2 RAV SM 1102CTE Outdoor unit RAV SM 224447 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 Power supply 3 phase 380V 60Hz Running current A 15 44 14 13 11 51 15 44 Power consumption 9 55 9 55 Cooling Power factor EER Energy efficiency class Electrical i me Running current A 10 34 9 47 characteristics Power consumption kW 6 40 Heating Power factor 94 COP 3 50 Energy efficiency class Maximum current A Fan Centrifugal Centrifugal Centrifugal Centrifugal Fan unit Standard air flow H M L m3 min 27 5 24 0 21 2 30 0 26 0 23 1 27 5 24 0 21 2 30 0 26 0 23 1 Motor 1 120 120 e 12 80 11 72 10 34 12 80 94 Sound pressure level H M L dBeA 41 38 35 43 40 37 41 38 35 43 40 37 Sound power level H M L dBeA 56 53 50 58 55 52 56 53 50 58 55 52 Outdoor unit Max total length m 70 Min length m i Outdoor lower m 30 Height difference Outdoor high m 30 Fan unit Standard air flow high m3 min 133 Motor W 100 100 Gas side mm 28 6 Outdoor unit Pipe branch Liquid side mm 12 7 Connecting pipe Gas side mm 15 9 Pipe branch Indoor unit Liquid side mm 9 5 Sound pressure level Cool
116. lowing steps Recover the refrigerant and check no refrigerant remains in the equipment SE When the compound gauge s pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side C ER h Wm Keep the status as it is for 1 to 2 minutes and ensure Se et te SSR SES VARU PA that the compound gauge s pointer does not return adapter SR Set the refrigerant cylinder to the electronic balance Ge fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the eS connecting port of the electronic balance and charge liquid refrigerant Place the handle of the gauge manifold Low in the For refrigerant charging see the figure below fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigera tion cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becom
117. more Pinching Outdoors Less than 1 month i Pinching or taping Indoors Every time EN Digital Inverter Are there scratches or dents on the existing pipes Existing pipes Cannot be used e Use new pipes NO Is it possible to operate the existing air conditioner NO e After the existing air conditioner is operated in cooling mode for approx 30 minutes or longer recover the refrigerant e For cleaning the pipes and recovering oil e Refrigerant recovery Refrigerant recovery equipment Nitrogen gas pressure 0 5 MPa e Remove the existing air conditioner from the piping and carry out flushing nitrogen pressure 0 5 MPa to remove any remains inside of the pipe Note In case of twin pipes also be sure to flush the branching pipe If there is discharge of remains it is judged that a large quantity of remains are present Was largely discolored oil or a large quantity of remains discharged When the oil deteriorates the color of the oil changes to a muddy or black color YES Clean the pipes or use new pipes Connect the indoor outdoor units to the existing pipe e Use a flare nut attached to the main unit for the 601 indoor outdoor units Do not use the flare nut of the existing pipe e Re machine the flare machining size to size for R410A Piping necessary to change the flare nut When using a 19 1 mm pipe for the gas pipe of the first machining size due to pipe compressi
118. n 8 minutes elapsed after starting operation or when During Heating operation when power ON at TC lt 26 C TC gt 26 C Operations 6 When Ps lt 0 14 MPa When Ps gt 0 19 MPa During 7 When conditions for defrost satisfied When 4 way valve is OFF during defrost startup Defrost i i Operation When conditions for defrost satisfied AGE EE aller lourway VANGIS ON alter Defrost Defrost start condition completion condition _ _ Defrost operation _ lt GE gt D SE Ahn Compressor revolution number i 36rps Go ASLE eee ee SE ON SU ke 4 way valve OFF HEE SE A E E RR gd d 2 minutes UE A K Open SCH Close 13 Oil recovery control 1 This control enables periodic recovery of oil accumulating in the indoor unit or in the exchange pipe 2 After continuous operation for 240 minutes the lower limit for the compressor revolution number is raised for 2 minutes and oil is recovered a Control Conditions Control Details During Cooling Continuous cooling operation for 240 minutes Ce d for compressor revolution number placed to 56 rps per i i e Lower limit for compressor revolution number placed to 70 rps per During Heating Continuous heating operation for 240 minutes gt minutes The compressor rotation speed is raised to the lower limit When low during control During startup of oil recovery control the compressor revolution number during operation is lower th
119. n incorrect work has been executed Indicates contents assumed that an injury or property damage zl may be caused on the b CAUTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions Refer to the Parts disassembly diagram Outdoor unit If removing the label during parts replace stick it as the original Turn OFF the breaker before removing the front panel and cabinet otherwise an electric shock is caused by high voltage resulted in a death or injury During operation a high voltage with 400V or higher of circuit at secondary circuit of the high voltage transformer is applied If touching a high voltage with the naked hands or body an electric shock is caused even if usin
120. n of inter unit wire between remote controller and master indoor unit Detected by remote controller side Signal send error to indoor unit Detected by remote controller side There are multiple main remote controllers Detected by remote controller side Duplicated indoor central addresses on communication of central control system Detected by indoor central controller side Communication circuit error of central control system Detected by central controller side Indoor Gr sub unit error Detected by central controller side Stop Automatic reset If center exists operation continues Stop Automatic reset x If center exists operation continues Stop Sub unit continues operation Stop Automatic reset Continues By remote controller Continuation Stop According to each case Usual operation of air conditioner becomes unavailable For the wireless models an error is notified with indication lamp 3 Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected The check code cannot be displayed by the wired remote controller Check remote controller Check indoor power wiring Check indoor P C board Check indoor EEPROM including socket insertion gt Automatic address repeating phenom enon generates Recei
121. name Procedure ems D Fan IPDU board MCC 1597 1 Detachment FAN IPDU board 1 Carry out the operation in 1 of 1 of and 1 of above 2 Remove lead wires and connectors to other components from the Fan IPDU board CN700 CN750 CN500 CN502 CN602 CN504 CN505 Relay connector 3P Blue Outdoor fan motor 3P White Connection between reactor and noise filter board 7P Red Compressor IPDU board 3P White Noise filter board 2P White Interface board 5P Blue Compressor IPDU board 5P Red Connectors should be removed after unlocking the housing section 3 Remove screw fixing the earth wire 4 Remove the claw of the support 3 positions fixing the board and the screw 5 positions fixing the heat sink and then remove the Fan IPDU board Attachment 1 Mount Fan IPDU board 2 Mount components in the opposite method to that when removing Support 3 positions Heat sink State of Fan IPDU board when removed EK Bel Part name Procedure ems Noise filter 1 Detachment board 1 Perform the operation in 1 of 1 of 1 of O MCC 1600 1 2 of and 1 2 of 2 Remove the screws 4 positions fixing the inverter assembly front to remove the lead wires from the upper left clamp Then slide the inverter assembly front upwardly and remove Remove the lead wires connector to other components from the noise filter board Fan IPDU board CNO5 P
122. nch pipes form a line parallel to the ground i pipes form a line R SE parallel to the ground Ze d Branch pipe Branch pipe Both the collecting pipe and branch Collecting pipe Collection area Gas side Liquid side NO GOOD Inclined Make sure that the pipes are installed level after branching Length of straight sections on main pipe side of branch pipe Provide a straight section with a length of at least 500 mm on the main pipe side of the branch pipe Same for both liquid side and gas side 500 mm or more 500 mm or more EN Ol Digital Inverter EN E Refrigerant Pipe Length Simultaneous twin triple Allowable pipe length m Height difference m Total length Branch piping Branch piping Indoor outdoor H Outdoor e 21 22 e 22 e 23 22 Indoor indoor unit e 21 23 e 23 e 24 22 Indoor unit Outdoor unit Ah e 21 24 e 4 e 44 283 Upper Upper Maximum Maximum Maximum SM2244 70 20 10 30 30 0 5 SM2804 70 20 10 30 30 0 5 Pipe diameter mm Se Main pipe Branch piping steel Gasside Liquidside Gassie Liquidside SM2244 128 6 O12 7 O15 9 9 5 10 or less SM2804 128 6 O12 7 O15 9 9 5 10 or less Figure of Simultaneous twin Figure of Simultaneous triple Indoor Unit Indoor Unit Indoor Unit Simultaneous double twin Indoor Unit Indoor Unit Allowable p
123. nd a mount so that the projection abuts with this side commercially available bundling band so that the fan motor lead does not come to contact with the propeller fan Fan motor lead fixing rubber lower mount so that the projection abuts with this side Mote ase mmm a per Metal Sie fixing E Bundling band fixing 00s ED Part name Procedure Remarks 4D Compressor 1 Detachment 1 Recover the refrigerant gas Drip proof sheet rubber sheet 2 Carry out the operation in 1 of and amp above TE el 3 Remove the piping panel front i a Remove the piping panel front and screws of the d AR bottom plate Hexagonal screw 04 x 10 2 pcs F j Remove screw of the piping panel front and the E Coundingalation piping panel rear j plate Hexagonal screw 4 x 10 1 pc p Remove the piping panel rear SE Remove the piping panel rear and screws of the y e bottom plate Hexagonal screw 4 x 10 2 pcs i a val Remove the drip proof sheet Rubber sheet SS Ss Remove the sound insulation plate Piping panel front Piping panel rear upper inner outer Remove the terminal cover of the compressor and then remove the compressor lead and the case lt Compressor terminal gt mermgslal Case thermostat N CAUTION i WES F Ensure that the removed wiring terminals are Fe always insulated with insulation tape Pp WER Al e The only wiring removed is the wiring for MA ZZ performing exchan
124. nd is harmless to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux e Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing temperature is higher than 800 C e Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Copper Iron Paste flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occur
125. neous twin 4 way air discharge Concealed RAV SM1404UT E 404UT RAV SM1404UT E RAV SM1402BTE 402BT RAV SM1402BTE RAV SM1402CT E 402CT RAV SM1402CT E RAV SM1404UT E RAV SM1402BT E RAV SM1402CT E Simultaneous triple 4 way air discharge Concealed High wall type RAV SM804UT E E RAV SM802BT E E RAV SM802CT E E RAV SM802KRTE E RAV SM804UT E RAV SM802BT E RAV SM802CT E RAV SM802KRT E RAV SM804UT E RAV SM802BT E RAV SM802CT E RAV SM802KRT E Simultaneous double twin 4 way air discharge Concealed High wall type RAV SM804UTE RAV SM804UTE RAV SM802BT E RAV SM802BT E RAV SM802CTE RAV SM802CTE RAV SM802KRTE RAV SM802KRTE RAV SM804UT E RAV SM802BT E RAV SM802CT E RAV SM802KRT E RAV SM804UT E RAV SM802BT E RAV SM802CT E RAV SM802KRT E RAV SM804UT E RAV SM802BT E RAV SM802CT E RAV SM802KRT E RAV SM2244AT series Slimultaneous twin RBC TWP101E Simultaneous triple RBC TRP100E Simultaneous double twin RBC DTWP101E RAV SM2804AT series Slimultaneous twin RBC TWP101E Simultaneous triple RBC TRP100E Simultaneous double twin RBC DTWP101E E ge d 1 SPECIFICATIONS 1 1 Indoor Unit 1 1 1 4 Way Cassette Type Indoor unit 1 RAV SM 1104UT E Mode Indoor unit 2 RAV SM HOAUFE Outdoor unit RAV SM 2244A17 Cooling capacity kW 20 0 23 0 lt Twin type gt 1404UT E 1404UT E 2804AT7 o S gt lt 3 A O A A O
126. ngth m m Min length Outer dimension Height difference Fan Propeller fan Propeller fan pes e Second pipe branch Liquid side 9 5 159 159 57 58 57 88 74 75 72 74 74 75 13 Fan unit Standard air flow high m3 min Motor W 13 gt A SNr Connecting pipe Wel Wu co al m O mn co co Q al al 5 o Q a 3 3 Second pipe branch Gas side 12 7 Indoor unit Liquid side mm i Sound pressure level Cooling Heating dB A 56 57 Sound power level Cooling Heating dBeA 72 74 3 Se A E SNr O Wel E Wu _91 1 1 12 Ceiling Type lt Double twin type gt Indoor unit 1 RAV SM 562CT E 802CT E 802CT E 802CT E 802CT E 802CT E 802CT E 802CT E 802CT E 2804AT8 E 2804AT7 23 0 23 0 27 0 27 0 Power supply 3 phase 380 415V 50Hz 3 phase 380V 60Hz 15 44 14 13 un 15 44 9 55 955 2 41 2 41 E 12 80 11 72 12 80 7 92 792 3 41 3 41 CE Centrifugal Centrifugal 13 0 11 2 10 0 18 5 16 7 14 6 18 5 16 7 14 6 Sound pressure level H M L dBeA 36 33 30 38 36 33 36 33 30 38 36 33 Sound power level H M L dBeA 51 48 45 53 51 48 51 48 45 53 51 48 Outdoor unit Indoor unit 2 RAV SM 562CT E Model Indoor unit 3 RAV SM 562CT E Indoor unit 4 RAV SM 562CT E Outdoor unit RAV SM 2244AT8 E Cooling capacity kW 20 0 Heating capacity kW 22 4 Running current A 11 51 10 54 Power consumption kW 7 12 94
127. not needed 49 2 o 20 S Range above 15 the density limit O of 0 3 kg m8 3 10 countermeasures needed E 5 10 20 30 Total amount of refrigerant kg TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKUO TOKYO 108 8980 JAPAN Copyright O 1999 to 2009 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
128. nt A characteristics Power consumption kW Heating Power factor COP Energy efficiency class 4 10 34 9 47 12 80 11 72 10 34 12 80 4 2 Fan Turbo fan Turbo fan Turbo fan Fan unit Standard air flow H M L m3 min 17 5 14 5 13 0 20 5 16 0 13 5 17 5 14 5 13 0 20 5 16 0 13 5 0 0 0 no 9 9 9 94 Ta e o o gt gt gt gt gt wesch Ex Sound pressure level H M L dB A 32 29 28 35 31 28 32 29 28 35 31 28 Sound power level H M L dB A 47 44 43 50 46 43 47 44 43 50 46 43 Outdoor unit QJ O N ao N 01 Outer dimension A al 2 Max total length m 70 7 Min length wl a Outdoor lower m 30 3 Height difference Outdoor high m 30 3 Propeller fan Propeller fan Propeller fan Propeller fan Fan unit Standard air flow high m8 min 133 133 Motor W 100 100 100 100 100 100 100 100 Outdoor unit Pipe branch Pipe branch Indoor unit Sound pressure level Cooling Heating dB A 56 57 57 58 56 57 57 58 Sound power level Cooling Heating dB A 72 74 74 75 72 74 74 75 x IEC standard 0 0 Connecting pipe Wel Wu Wel Wu ES gt GER 1 1 9 Compact 4 Way Cassette 600 x 600 Type lt Double twin type gt RAV SM562MUT E RAV SM562MUT E RAV SM562MUT E RAV SM562MUT E Model RAV SM562MUT E RAV SM562MUT E Indoor unit 4 RAV SM562MUT E RAV SM562MUT E Outdoor unit RAV SM2244AT8 E RAV SM2244A
129. nts from the control board Interface board CN600 TS sensor 3P White tube Gray CN601 TE sensor 2P White tube Blue CN602 TO sensor 2P Orange tube Black CN603 TD sensor 3P White tube Red CN604 TL sensor 2P White tube White CN606 Presure sensor 4P White AA relay board CN609 Case thermo 2P Blue AN CN690 High poressure switch 3P Green CN700 4 way coil 2P Yellow disen bed CN702 2 way valve coil 3P White upper CN710 PMV coil 1 6P White CN711 PMV coil 2 6P White e Fan IPDU board CN750 Outdoors fan motor 3P White Cut the banding band and remove connector connected from fan motor to fan motor relay board e Fan motor relay board CNO8 Outdoors fan motor 3P White Remove connectors after unlocking housing section 3 Remove the screw 1 position fixing the discharge port cabinet 4 Cut bundling band fixing various lead lines to inverter assembly 5 Remove water proof sheet rubber sheet and sound insulation plate upper 6 Remove terminal cover of compressor and remove compressor lead we i lt a 7 Inverter assembly 7 Pull up the inverter assembly at upper side to a Lele a remove hook of partition plate rear left part y L 1 Mount the inverter assembly on the partition plate We Si CS A CAUTION When mounting the inverter assembly on the partitioning plate ensure proper mounting of the hook rear left part with partitioning
130. nward piping consider the piping work GOOD Absorb vibration with vibration proof Fixing leg rubber pads Foundation GOOD Bottom plate of outdoor unit Foundation Support the bottom surface of the fixing leg that is in contact with and underneath the bottom plate of the outdoor unit EN 9 NO GOOD Do not support the outdoor unit only with the fixing leg If only the end of the fixing leg is supported it may deform Foundation Set the out margin of the anchor bolt to 15 mm or less 15 or less e When water is to be drained through the drain hose attach the following drain nipple and waterproof rubber cap and use the drain hose Inner diam 16 mm sold on the market Also seal the knockout hole and screws securely with silicone material etc to prevent water from leaking Some conditions may cause dewing or dripping of water e When collectively draining discharged water completely use a drain pan g aii Waterproof rubber cap 1 pc Drain nipple e Please pay attention to the drain in region with snowfall and cold temperature as it may be frozen and cause drainage problems Punch the knockout holes on the base plate to improve drainability Use a screwdriver and take off the knockout part outward Knockout hole Waterproof rubber cap Drain nipple E For Reference If a heating operation is to be continuously performed for a long time under the cond
131. oard 8 Electrical current release value shift control The correction is based on the table below rt eos a Temp range SM224 sm2s0o Temp range malfunction of the compressor or electronic components such as the IGBT of the inverter in Nel em Be the compressor drive system during cooling 47 C lt TO lt 50 C 2 Select the current release control value 11 by EE 9 Over current protective control 1 Operation of the compressor is stopped when the over current protective circuit detects an error current 2 The compressor restarts after 2 minutes 30 seconds using 1 as an error count After restart the error count is cleared when operation continues for 6 minutes or more 3 An error is confirmed when the error count takes a value of 8 4 For the indicated contents of error confirm using the check code table 10 High pressure switch Compressor case thermostat control 1 When the high pressure switch or the compressor case thermostat operates the operation of the compressor is terminated 2 The compressor restarts after 2 minutes 30 seconds using 1 as an error count After restart the error count is cleared when operation continues for 10 minutes or more 3 An error is confirmed with the error count 10 4 For the indicated contents of error confirm using the check code table 11 High pressure release control 1 The operation frequency is controlled to restrain abnormal rising of high pressu
132. oes not produce any drainage problems from discharged water Do not install the outdoor unit in the following locations e A location with a saline atmosphere coastal area or one that is full of sulfide gas hot spring area Special maintenance is required e A location subject to oil vapor oily smoke or corrosive gases e A location in which organic solvent is used e A location where high frequency equipment including inverter equipment private power generator medical equipment and communication equipment is used Installation in such a location may cause malfunction of the air conditioner abnormal control or problems due to noise from such equipment e A location in which the discharged air of the outdoor unit blows against the window of a neighboring house e A location where the operating noise of the outdoor unit is transmitted e When the outdoor unit is installed in an elevated position be sure to secure its feet e A location in which drain water poses any problems N CAUTION 1 Install the outdoor unit in a location where the discharge air is not blocked 2 When an outdoor unit is installed in a location that is always exposed to strong winds like a coast or on the high stories of a building secure normal fan operation by using a duct or wind shield 3 When installing the outdoor unit in a location that is constantly exposed to strong winds such as on the upper stairs or rooftop of a building apply the
133. of diagnostic function Check i Status of SE Judgment and measures 1 Check cables of remote controller and communication adapters e Remote controller LCD display OFF Disconnection e Central remote controller 97 check code No communication from remote E03 controller including wireless and communication adapter Stop Displayed when Automatic reset error is detected The serial signal is not output from 1 Outdoor unit does not completely operate outdoor unit to indoor unit e Inter unit wire check correction of miswiring e Miswiring of inter unit wire Stop Displayed when e Check outdoor P C board Correct wiring of P C board E04 Defective serial sending circuit on Automatic reset error is detected 2 When outdoor unit normally operates outdoor P C board Check PC board Indoor receiving Outdoor sending e Defective serial receiving circuit on indoor P C board 1 Check whether remote controller connection Group Individual was changed or not after power supply turned on Finish of group construction Address check Stop Displayed when E If group construction and address are not normal when the There is group wire in individual indoor error is detected power has been turned on the mode automatically shifts to unit Unset indoor group address address setup mode Resetting of address Unset indoor capacity ee 1 Set indoor capacity DN 11 L30 Abnormal input of outside interlo
134. om B Room C Room D Room E Indoor unit Outdoor unit e g charged amount 15kg For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 15kg Important NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door we Outdoor unit y Refrigerant piping m m If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Indoor unit SS 2 Refrigerant piping Outdoor unit Indoor unit Small Medium room room Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high 40 Range below the m2 35F density limit 30 of 0 3 kg m8 countermeasures 25
135. ompressor does not operate e Is not 3 minutes delay 3 minutes after compressor OFF e Is not the outdoor unit in standby status though the remote controller reached the setup temperature e Does not timer operate during fan operation e Is not an overflow error detected on the indoor unit e Is not outside high temperature operation controlled in heating operation 2 Indoor fan does not rotate e Does not cool air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes e Does not high temperature release operation control work in heating operation e Does not outside low temperature operation control work in cooling operation e Is not defrost operation performed 4 ON OFF operation cannot be performed from remote controller e Is not forced operation performed e Is not the control operation performed from outside remote side e Is not automatic address being set up e Is not being carried out a test run by operation of the outdoor controller a Did you return the cabling to the initial positions b Are connecting cables between indoor unit and receiving unit correct 2 Troubleshooting procedure When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON When a trouble occurred check the parts along with the following procedure Confirmation of lamp display Trouble
136. on branching pipe 1 Flare nut width H gt Turn the existing pipe switch on the cycle control P C 1 Copper pipe board of the outdoor unit to ON side At shipment from outer D6 4 9 5 Y12 7 015 9 19 1 factory OFF gt ON for existing pipe Refer to the table gt diameter 22 26 29 below Be sure to set the contents in the table below in order to restrict the refrigerating cycle pressure of S b the equipment in the pipe standard MERAN Existing pipe SW Bit 3 of SW802 gt ON Copper pipe outer GA 19 5 112 7 115 9 119 1 diameter ForR410A 9 1 13 2 166 as For R22 13 0 16 2 e Airtight test Vacuum dry Refrigerant charge Gas leak check Trial run EN 25 Becomes a little larger for R410A Do not apply refrigerator oil to the flare surface 12 REPLACEMENT OF THE SERVICE P C BOARD 4316V392 MCC 1599 de ee the jumper wires and DIP switches J800 to J803 to J803 Model switching Cut these jumper wires according to the following table Jumper wire Set these jumper wires to the settings of the PC board J804 to J811 Settings before replacement SW803 LED indication switching Set SW803 to all OFF SW804 Special operations for service Set SW804 to all OFF SW805 Special operations for service Set SW805 to all OFF Set SW802 to the setting of the P C board ete Settings before replacement DIP switch Model switching J800 to J803 Since this
137. ons in the installation manual provided with the branch pipe kit In the case of a simultaneous double twin system use indoor unit with the same capacity for all four indoor units Branch pipe kit Combination indoor unit RAV SM2244 RBC DTWP101E SM56 x 4 units RAV SM2804 RBC DTWP101E SM80 x 4 units P C board settings are required for some of the indoor units if they are to be used in a twin triple or double twin system Refer to the instructions in the installation manual of the branch pipe kit and ensure that the settings are selected correctly Combination with the indoor units Combination with the indoor units is possible only when units with the same type are combined Combinations of units with different types cannot be used Digital Inverter 2 EN SAFETY PRECAUTIONS Ensure that all Local National and International regulations are satisfied e Read these SAFETY PRECAUTIONS carefully before installation e The precautions described below include important items regarding safety Observe them without fail e After the installation work perform a trial operation to check for any problem Follow the Owner s Manual to explain to the customer how to use and maintain the unit e Ask the customer to keep the Installation Manual together with the Owner s Manual N WARNING e Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Perform installation work
138. ontrol work in heating operation e Does not outside low temperature operation control work in cooling operation e Is not defrost operation performed 4 ON OFF operation cannot be performed from remote controller e Is not the control operation performed from outside remote side e Is not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON e Is not being carried out a test run by operation of the outdoor controller b Did you return the cabling to the initial positions c Are connecting cables of indoor unit and remote controller correct 2 Troubleshooting procedure When a trouble occurred check the parts along with the following procedure Confirmation of check code display Check defective position and parts NOTE For cause of a trouble power conditions or malfunction erroneous diagnosis of microcomputer due to outer noise is considered except the items to be checked If there is any noise source change the cables of the remote controller to shield cables B5 lt Wireless remote controller type gt 1 Before troubleshooting 1 Required tools instruments e and screwdrivers spanners radio cutting pliers nippers etc e Tester thermometer pressure gauge etc 2 Confirmation points before check a The following operations are normal 1 C
139. ontroller inter unit wiring Indoor power Indoor power inter unit wiring inter unit wiring Use 2 core shield wire MVVS 0 5 to 2 0 mm or more for the remote controller wiring in the simultaneous twin simultaneous triple and simultaneous double twin systems to prevent noise problems Be sure to connect both ends of the shield wire to earth leads Connect earth wires for each indoor unit in the simultaneous twin simultaneous triple and simultaneous double twin systems 18 EN 90 Digital Inverter Stripping length power cord and connecting wire Indoor outdoor Power supply wire connecting wire 10 Gu L2 L3 N E 10 Earth screw NE t P p f 40 5 g Earth line K D Connecting wire Power supply wire Cord clam Cord clamp Clamp filter accessory L Cord clamp Cord clamp N WARNING Be sure to attach the provided clamp filter to the power supply wire in order to conform to EMC standards 8 EARTHING N WARNING e Be sure to connect the earth wire grounding work Incomplete grounding may cause an electric shock Connect the earth line properly following applicable technical standards Connecting the earth line is essential to preventing electric shock and to reducing noise and electrical charges on the outdoor unit surface due to the high frequency wave generated by the frequency converter inverter
140. oor units once three months at least These cleaning and maintenance should be carried out by a qualified dealer Although the customer has to pay the charge for the maintenance the life of the unit can be prolonged Failure to clean the indoor outdoor units regularly will cause shortage of capacity freezing water leakage or trouble on the compressor Part name Contents of check Contents of maintenance Outdoor Heat exchanger SE E ee e Blocking with dust damage check e Clean it when EE is found Fan motor motor e Audibility forsound for sound e When abnormal sound is heard abnormal sound is heard Filter e Visual check for dirt and breakage E e Replace if any breakage e Visual check for swing and balance e Replace fan when swinging or Ee Check adhesion of dust and external balance is remarkably poor appearance e If a large dust adheres clean it with brush or water Suction e Repair or replace it if deformation or Discharge grille po f e Visual check for dirt and scratch damage is found Face Face panel Louver _ Louver Check dirt and scratch dirt and scratch Cleaning Coating with repair painting with repair painting External appearance edd e Coating with repair painting EP e Check pealing and floating of coating film 96 Digital Inverter Digital Inverter 11 INSTALLATION MANUAL 1 Please read this Installation Manual carefully before installing the Air Conditioner e This
141. oor P C board MCC 1599 Defect Replace O lt Display 1 gt lt Display 2 gt Compressor break down o NO ia Perel RE nonna Correct power supply line YES Is wire connection normal Compressor lead Check wire connection Board side Compressor side and correct it Reactor lead Power supply lead YES YES Is it not abnormal overload Correct and clear the cause NO Check outdoor P C board MCC 1596 Defect Replace 70 Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Compressor lock NO See hee Meg eae normal Correct power supply line YES Is wire connection normal Compressor lead Check wire connection Board side Compressor side and correct it Reactor lead Power supply lead 12 ES Check outdoor P C board s compressor norma Defect Replace YES yY NO l NO Is there no refrigerant stagnation Compressor lock Replace YES NO ES Check TE TS sensors and PMV Does PMV normally operate Defect gt Replace Y Check outdoor P C board MCC 1596 Defect Replace lt Display 1 gt lt Display 2 gt Current detection circuit error Check outdoor P C board MCC 1596 Defect Replace lt Display 1 gt lt Display 2 gt Power supply error Vdc Refer to P05 column lt Display 1 gt lt Display 2 gt Case thermostat operation N Are CN
142. or DB20 C 4 1 380V O O m So O io NR Oc TE D SZ O Sus Lef O lt Oo 2 Ec OO No SE GT DO Eck gt 22 L ci I I i I e Conditions 40 60 80 100 Compressor speed rps 20 60 80 100 Compressor speed rps 20 25 e Capacity variation ratio according to temperature RAV SM2244AT8 Z ZG E RAV SM2804AT8 Z ZG E RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG lt Heating gt lt Cooling gt o 5 He TE Onto j S o SP BEER lt CD C OM En N 0S Tue u S88w QVO CO N EEA de I D o e A Ze st dr co A 00 Ze o NN N CO LO Ki mM 120 100 90 80 le ze e e cn zb rn e Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 7 5m I I I F I I I I 4 35 36 37 38 39 40 41 42 43 44 45 46 OD 00 00 N N CO CO LO LO ones noedeo Outdoor temp C Outdoor temp C DB 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 2 1 Outdoor Unit 38 Knockout hole Diameter of connecting pipe Gas side oO 3 Ka 3 2 Refrigerant piping hole Indoor Outdoor Unit connecting wire inlet hole Power supply inlet hole pipe connecting port Gas side Diameter of Liquid side unit is 19 1 and therefore please use the accessory joint The diameter of ball valve connecting port on the outdoor for installation Detailes of B legs 1
143. or SH control 3 The temperature difference in 2 in both cooling and heating operations is usually controlled using a 5K target value However control may be performed within a range of 1 15K depending on operating conditions 4 When the cycle overheats during both cooling and heating operations the PMV aperture is controlled using a detection value from a TD sensor The normal target value is 96 C for cooling operations and 102 C for heating operations N CAUTION Sensor malfunction may cause liquid back flow or error overheating in the compressor resulting in dramatic reduction in the durable life of the compressor In the event of malfunction and repair of the compressor restart operation after checking that there are no errors in the resistance values or the refrigerating cycle of each sensor 2 Discharge temperature release control 1 This control lowers the revolution number of the compressor in the event that the discharge TD C Abnormal stop PO3 is displayed with count 4 of errors temperature is not reduced or in the event the 115 S g discharge temperature increases rapidly during 113 A PMV control The cycle is stabilized by dividing compressor Frequency slow down revolution number control into units up to 0 6 rps 2 When the detected discharge temperature is in ae 105 an error zone compressor operation is stopped CH Frequency hold and then restarted after 2 minutes 30 seconds 102 An e
144. or is detected 2 Check indoor P C board Coming off disconnection or short of St Ee 1 Check indoor heat exchanger temp sensor TA F10 indoor heat exchanger temp sensor op Isplayed when TA Automatic reset error is detected 2 Check indoor P C board Indoor EEPROM error Stop Displayed when 1 Check indoor EEPROM including socket insertion F29 e EEPROM access error Automatic reset error is detected 5 Check indoor PC board Communication error between indoor 1 Check indoor P C board E10 MCU Stop Displayed when Communication error between fan Automatic reset error is detected driving MCU and main MCU 1 Check remote controller wiring 2 Check indoor power supply wiring Regular communication error between E18 indoor aster and follower units and Stop Displayed when Automatic reset error is detected between main and sub units l 3 Check indoor PC board D e SER Error mode detected by outdoor unit The check code has been ramified from 4 series and after The ramified check code is displayed only when both the indoor unit and the outdoor unit are 4 series and after Ex Combination of RAV SM1404UT E with RAV SM2804AT8 E When the indoor unit is 3 series and before the conventional check code is displayed Ex Combination of RAV SM1402CT E and RAV SM2804AT8 E Outdoor unit only is 4 series Check code Operation of diagnostic function before after f Status of
145. or unit HOT A 10 2 3 Automatic Address Example from Unser Address No miswiring 1 Standard One outdoor unit 1 Single 2 Twin 3 Triple 1 3 1 1 Sub Follower 1 1 Individual Master Header Only turning on source power supply Automatic completion 2 Group operation Multiple outdoor units Multiple indoor units with serial communication only without twin 2 1 1 1 3 1 8 1 Sub Header Sub Header Master Header Sub Header Max 8 units Only turning on source power supply Automatic completion 3 Multiple groups operation Single Twin Triple 2 1 1 1 2 3 3 1 3 3 1 2 Sub Header Sub Header Master Follower Sub Header Sub Follower Sub Follower RS a Change is necessary Manually change addresses of the multiple follower units simultaneously from the remote controller 992 10 3 Remote Controller Wiring e Strip off approx 9 mm the wire to be connected Simultaneous twin system e For single system use non polarity 2 core wire is used for wiring of the remote controller 0 5 mm to 2 0 mm wires Remote controller e For the synchronous twin triple system use Bamoie coniroller Are ran Wind 2 conre shield wire Vinyl cord for microphone 0 5 San gt to 2 0 mm to conform to the EMC standard OS J Wiring diagram EE s O LS lt 8 Terminal block for remote controller Terminal block Indoor Outdoor wiring of indoor unit connecting wires __
146. or unit and result in injury e Wear heavy gloves during the installation work to avoid injury To Disconnect the Appliance from the Main Power Supply e This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm e A25A installation fuse all fuse types can be used must be used for the power supply line of this conditioner INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER CAUTION New Refrigerant Air Conditioner Installation e THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times as that of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigerant oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerant oil does not enter the new type refrigerant R410A air conditioner cycle To prevent mixing of refrigerant or refrigerant oil the sizes of connecting sections of charging port on main unit and installation tools are different from those of the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and
147. orce Securely tighten the cap with a torque wrench Cap tightening torque 50 to 62 Nem 5 0 to 6 2 kgf m 20 to 25 Nem 2 0 to 2 5 kgfem 14 to 18 Nem 1 4 to 1 8 kgf m Valve size Charge port 15 E Insulating the Pipes e The temperatures at both the liquid side and gas side will be low during cooling so in order to prevent condensation be sure to insulate the pipes at both of these sides e Insulate the pipes separately for the liquid side and gas side e Insulate the branch pipes by following the instructions in the installation manual provided with the branch pipe kit e Use the insulating material provided as an accessory to insulate the 19 1 mm pipe at the gas side Seal the area where the 19 1 mm pipe and 22 2 to 28 6 mm pipe are connected so that no gaps are left REQUIREMENT Be sure to use an insulating material which can withstand temperatures above 120 C for the gas side pipe since this pipe will become very hot during heating operations E Replenishing Refrigerant This model is a 30 m chargeless type that does not need to have its refrigerant replenished for refrigerant pipes up to 30 m When a refrigerant pipe longer than 30 m is used add the specified amount of refrigerant Refrigerant replenishing procedure 1 After vacuuming the refrigerant pipe close the valves and then charge the refrigerant while the air conditioner is not working 2 When the refriger
148. ort cabinet and the discharge cabinet Hexagonal screw 04 x 10 2 pcs 4 Remove screw for the discharge cabinet and heat 8 A exchanger ST1T 4 x 8 1 pc y Invente ASSY 5 Remove screw for the discharge port cabinet and the fin guard Hexagonal screw 4 x 10 1 pc Attachment 1 Place upper left side of discharge cabinet on Discharge port cabinet upper Fin guard E upper side of end board of heat exchanger and fix HL En lt e cabine with a screw ST1T 4 x 8 1 pc EN 2 Mount other removed screws into original positions T Heat exchange Dis 110 3 Discharge 1 Detachment port cabinet 1 Carry out the operation in 1 of and 1 of MIGO DASE above Heat exchanger Inverter assembly 2 Remove the screws fixing the inverter assembly the discharge port cabinet and the partition board ST1T 4 x 8 4 pcs 3 Remove the screws for the discharge port cabinet and the bottom plate Hexagonal screw 4 x 10 2 pcs 4 Remove screw for the discharge port cabinet and heat exchanger ST1T Y4 x 8 1 pc 5 Remove screw for the discharge port cabinet and the motor base ST1T Y4 x 8 2 pcs 6 Remove screws for the discharge port cabinet and the fin guard Hexagonal screw 4 x 10 2 pcs 2 Attachment 1 Place upper left side of discharge cabinet in cut on upper side of end board of heat exchanger and fix with a screw ST1T 4 x 8 1 pc 2 Mount other removed screws into o
149. ower supply terminal block red CNO6 Power supply terminal block White CNO7 Power supply terminal block Black CN24 Power supply terminal block White CNO8 Power supply terminal block Gray CNO9 Connection to earth Brown CN50 Interface board 2P White CN51 Fan IPDU board 2P Back CN10 Posister Red CN16 Relay Red CN17 Compressor IPDU board White CN18 Relay Black CN19 Relay Gray CN23 Fan IPDU board 5P Red Screws Interface board 2 positions all lead wire from the clamp Connectors should be removed after unlocking Scie the housing section meee 2 positions di Ba rk Screws Remove the claw of the support 2 positions and E Aad So 2 positions the screw 2 positions fixing the base and then a Inverter assembly remove the noise filter base y TEEN front K Noise filter board 2 Attachment 1 Mount noise filter board 2 Mount components in the opposite method to that when removing Support 2 er Temporary Suspended State of Inverter Assembly front Using the hook it is possible to temporarily suspend the inverter assembly front Using the hook State of noise filter board when removed 10 No Part name Procedure Parks 9 Compressor 1 Detachment IPDU board 1 Carry out the operation in 1 of 1 of MCC 1596 1 of 1 of 1 of and 1 of 2 Pull the compressor lead from the space in the partition plate 3 Remove
150. peration is terminated by using a remote controller operation will not continue 6 Electrical current release control An AC current detection value from T611 on the IPDU control board is used to suppress the revolution number of the compressor so that the input current of the inverter does not exceed a specified value Normal operation D Zone Maintain frequency of current operation Current 4 B zone Reduce operating frequency Cease reduction of operating frequency C Zone habe i and maintain frequency of current operation SM224Type SM280 Type 110 5 HT value A 51 7 Heat sink temperature detection control 1 IGBT overheating prevention is protective control performed by a thermistor TH sensor in proximity to IGBT 2 When a temperature of TH 83 C is detected the fan tap is moved by 1 step up Thereafter step up is performed at a rate of 1 tap 5 seconds until a maximum fan tap is reached 3 After 2 above operation is returned to normal fan control at a temperature of TH lt 78 C 4 Operation of the compressor is terminated at a temperature of TH 100 C 5 Operation is restarted after 2 minutes and 30 seconds using 1 as the error count However a count of 4 in the same operation confirms an error The error display is P07 Restart will not be performed When error is confirmed this may be an error caused by heat build up or blower fan failure in the outdoor unit or an error in the IPDU b
151. peration of SW801 or SW804 a Select DIP switch SW804 See table below b Push the pushdown button switch SW801 for approx 1 second c The following functions start While each function starts LED D805 Green flashes d When pushing the pushdown button switch SW801 again for approx 1 second when selecting DIP switch SW804 or when the specified time of each function elapsed each function stops and LED D805 Green returns to the continuous lighting lt Specific operation gt Operation when pushdown button switch SW801 is pushed Refrigerant recovery operation The outdoor unit performs cooling operation The indoor unit does not work by this operation alone Therefore operate the fan beforehand Indoor cooling test run demand The cooling test run is performed gt Note 1 Indoor heating test run demand The heating test run is performed gt Note 1 Fan motor forced operation Drive the fan motor forcedly When pushing SW801 again or when 2 minutes elapsed the operation returns to the normal control PMV full open operation Open PMV Pulse Motor Valve fully When pushing SW801 again or when 2 minutes elapsed the operation returns to the normal control NOTE Although these operations can be performed even during operation basically perform operation while the unit stops PMV full close operation If performing this operation Close PMV Pulse Motor Valve fully during driving the unit it is dangerous
152. perly earthed you may be exposed to an electric shock e Be sure to connect the earth wire grounding work Incomplete grounding can cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires Test Run Turn on the leakage breaker at least 12 hours before starting a test run to protect the compressor during startup CAUTION Incorrect installation work may result in a malfunction or complaints from customers EN OO Digital Inverter EN E Installation Location N WARNING Install the outdoor unit properly in a location that is durable enough to support the weight of the outdoor unit Insufficient durability may cause the outdoor unit to fall which may result in injury This outdoor unit has a weight of about 135 kg Pay special attention when installing the unit onto a wall surface N CAUTION Do not install the outdoor unit in a location that is subject to combustible gas leaks Accumulation of combustible gas around the outdoor unit may cause a fire Install the outdoor unit in a location that meets the following conditions after the customer s consent is obtained e Awell ventilated location free from obstacles near the air inlets and air outlet e A location that is not exposed to rain or direct sunlight e A location that does not increase the operating noise or vibration of the outdoor unit e A location that d
153. plate 2 Mount the individual components in the opposite procedure to that during detachment 115 lt Part name Procedure Parks Interface board 1 Detachment Control board 1 Carry out the operation in 1 of D 1 of MCC 1599 and 1 of above 2 Remove lead wires and connectors to other components from the interface board control board CN603 CN602 TE sensor CN601 CN600 CN604 CN700 CN710 CN711 CN702 CN606 CN690 CN802 CN609 CN708 CN608 CNO1 CNO2 TD sensor 3P White tube Red TO sensor 2P Orange tube Black 2P Green tube Blue TS sensor 3P White tube Gray TL sensor 2P White tube White 4 way coil 2P Yellow PMV coil 1 6P White PMV coil 2 6P White 2 way coil 3P White Pressure sensor 4P White High pressure switch 3P Green Connection with Fan IPDU board 5P white Case thermo 2P Blue Magnet switch 2P Blue Connection with noise filter board 2P White Indoor Outdoor connection terminal 5P White Power relay 3P Red Remove connectors after unlocking housing section Remove the claws of the supports 4 positions fixing the board and remove the interface board Control board 2 Attachment 1 Mount the interface board Control board 2 Mount the individual components in the opposite procedure to that during detachment Statue of control board when removed S ll No Part
154. properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire e Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires e Turn off the main power supply switch or breaker before attempting any electrical work and maintenance Make sure all power switches are off Failure to do so may cause electric shock Use an exclusive power circuit for the air conditioner Use the rated voltage e Connect the connecting wire correctly If the connecting wire is incorrect electric parts may be damaged e When moving the air conditioner for installation to another place be very careful not to allow the specified refrigerant R410A to become mixed with any other gaseous body into the refrigeration cycle If air or any other gas mixes with the refrigerant the gas pressure in the refrigeration cycle will become abnormally high and it may result in the pipe bursting or personal injuries e Do not modify this unit by removing any of the safety guards or by by passing any of the safety interlock switches e Do not touch the intake or aluminum fins of the outdoor unit Doing so may result in injury e Tighten the flare nut with a torque wrench in the specified manner Excessive tightening of the flare nut may cause a crack in the flare nut after a long period which may
155. quired tightening torque On the other hand use a single crescent to loosen or tighten the flare nut of the valve on the liquid side Unit Nem Outer dia of copper pipe Tightening torque 9 5 mm diam 12 7 mm diam 33 to 42 3 3 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m m 15 9 mm diam 68 to 82 6 8 to 8 2 kgf 19 1 mm diam 100 to 120 10 0 to 12 kgf m Cover Flare nut Valve at gas side N CAUTION 1 Do not put the crescent wrench on the cap or cover The valve may break 2 If applying excessive torque the nut may break according to some installation conditions Cover NO GOOD 12 e After the installation work be sure to check for gas leaks of the pipe connections with nitrogen e Pressure of R410A is higher than that of R22 Approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections that connect the indoor outdoor units at the specified tightening torque Incomplete connections may cause not only a gas leak but also trouble with the refrigeration cycle Do not apply refrigerant oil to the flared surface E Branch Pipe Carry out the refrigerant piping work using the branch pipe kit which is purchased separately Branch pipe installation The ends of the branch pipes form a line perpendicular to the ground The ends of the branch pipes form a line perpendicular to the ground Both the collecting pipe and bra
156. r more units ee 500 or more 1 000 or more Obstacle also at the above unit 7 1 000 or more a 800 or more Obstacles in both front and rear of unit Open above and to the right and left of the unit The height of an obstacle in both the front and rear of the unit should be lower than the height of the outdoor unit Standard installation 1 Single unit installation 2 Serial installation of two or more units EN LOL Digital Inverter Serial installation in front and rear Open above and to the right and left of the unit The height of an obstacle in both the front and rear of the unit should be lower than the height of the outdoor unit Standard installation Pu eU U 1 000 or 300 or 1 500 or 2 000 or 200 or more more more more more E installation of Outdoor Unit e Before installation check the strength and horizontalness of the base so that abnormal sounds do not emanate e According to the following base diagram fix the base firmly with the anchor bolts Anchor bolt nut M10 x 4 pairs 150 Cr 6 00 150 430 o a ty Y 57 Knockout 400 Drain nipple mounting hole As shown in the figure below install the foundation and vibration proof rubber pads to directly support the bottom surface of the fixing leg that is in contact with and underneath the bottom plate of the outdoor unit When installing the foundation for an outdoor unit with dow
157. rams of the models concerned for the internal wiring connections of the outdoor unit and indoor units 3 There is no need to perform the P C board settings for the indoor units Input power 380 415 V 3N 50Hz 380 V 3N 60Hz 4150 LI i 10 Outdoor unit 0 20 L 9099 Leakage i i i i breaker II Laas iy 6666 l 6660 Joel 6000 Indoor unit Indoor unit Indoor unit main secondary secondary Els E oo Remote controller E Power and Wiring Specifications Model RAV SM Type 224AT8 280AT8 224AT7 280AT7 Power suppl 380 415 V 3N 380 V 3N PRY 50 Hz 60 Hz Maximum running current 18 0 A 22 0 A Installation fuse rating 25A 25 A 5 x 2 5 mm or more Power wire HO7 RN F or 60245 IEC 66 O 4 x 1 5 mm or more Sc H HO7 RN F or 60245 IEC 66 Number of wire x wire size Digital Inverter How to wire 1 Connect the connecting wire to the terminal as identified with their respective numbers on the terminal block of the indoor and outdoor units H07 RN F or 60245 IEC 66 1 5 mm or more When connecting the connecting wire to the outdoor unit terminal prevent water from coming into the outdoor unit Secure the power supply wire and indoor outdoor connecting wires using the cord clamp of the outdoor unit For interconnecting wires do not use a wire joined to another on the
158. rant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side N WARNING check the resistance is 2MQ or more between the charge section and the non charge metal section Earth position Insulator check If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Q After the work has finished be sure to use an insulation tester set 500V Megger to If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because Ventilation a shortage of oxygen occurs Be sure to execute ventilation Q When the refrigerant gas leaks during work execute ventilation When checking the circuit inevitably under condition of the power ON use rubber An gloves and others not to touch to the charging section If touching to the charging section an electric shock may be caused Be attentive to electric shock When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is inter
159. re by TL sensor in cooling operation and TC sensor in heating operation 2 When TL sensor in cooling operation or TC sensor in heating operation detects abnormal temperature of the stop zone stop the compressor and the error count becomes 1 3 When the compressor stopped with 2 the operation restarts from the point of the normal operation zone e point or lower where it returned after 2 minutes 30 seconds 4 The error count when the compressor stopped with 2 is cleared after the operation continued for 10 minutes If the error count becomes 10 without clearing the error is determined and reactivation is not performed 5 For the error display contents confirm on the check code list HEAT TC COOL TL C Abnormal stop a b A Frequency normal down E Frequency slow down C Frequency hold d e Cd Frequency slow up Up to command As command is Ba 12 SV2 valve control The conditions for opening and closing the SV2 valve are shown in the table below SV2 Valve Open Conditions SV2 Valve Close Conditions EE When operation started after operating or when 30 minutes Non operation ON elapsed after opening SV2 under conditions 1 2 i i When 30 second elapses after first startup When 8 minutes elapsed after starting operation During Cooling operation when power ON at TO lt 5 C Operations 4 When Ps lt 0 23 MPa When Ps 0 27 MPa i i When 30 second elapses after first startup Whe
160. re sensor error Low pressure protective operation L10 si 5 O Ole O SIM Outdoor unit Setting error of service PC board type Outdoor When outdoor service P C board was used model type select jumper setting was inappropriate 1 Defective parts on outdoor P C board MCU communication EEPROM TH sensor error IL R O a O 2 When outdoor service P C board was used model type selection was inappropriate 3 Other error Heat sink abnormal overheat gas leak 4 way valve inverse error was detected D O O Outdoor unit Discharge temp error utdoor Error was detected by discharge temp release control O oo O E Abnormal overheat was detected by outdoor heat sink temp sensor ie N O OIO 000000000 O O gt gt P15 Outdoor unit Other outdoor unit error Outdoor ALT Outdoor unit Outdoor When case thermostat worked error was detected by high release control from indoor High pressure system error Power supply voltage error urged outdoor heat exchanger temp sensor Power supply voltage error Power supply error utdoor Power supply voltage error Outdoor unit Heat sink overheat na N gt Gas leak detection utdoor Abnormal overheat of discharge temp or suction temp was detected LT Outdoor unit High pressure system error utdoor Error was detected by high release control from indoor outdoor heat exchanger temp sensor Outdoor unit Inverter Idc oper
161. red In this case the Max capacity decreases Max frequency of compressor Max frequency change RAV SM280 MS COOL HEAT COOL When using the air conditioner as a cooling only conditioner cut the jumper line An air conditioner can be changed to cooling only conditioner by OF of DN code on the remote controller Cooling only setup spo 9 3 2 Service Support Function LED Display Switch Operation 1 Outline A various setup and operation check can be performed by DIP switches at 3 positions SW802 SW803 SW804 and the pushdown button switches SW800 SW801 at 2 positions Operation part PartNo Specifications Operation contents SW800 Pushdown button switch Exchanges the displayed contents of LED D800 to D804 on the outdoor SW803 DIP switch control PC board SW801 Pushdown button switch Performs the specific operation to check maintenance SW804 DIP switch SW802 DIP switch Performs various initial settings Refer to 9 3 1 Display part PartNo Specifications Operation contents Indoor Outdoor communication Serial communication signal display D502 Orange LED Receive signal from indoor signal Indoor Outdoor communication Serial communication signal display Ee SIE ente Send signal from outdoor signal Error display When all SW803 are OFF or when any of D800 to D804 goes on LED EES EE displays that the outdoor controller detects an error When status of SW803 is other t
162. repair work do not bring a third party a child etc except the repair engineers close to the equipment It causes an injury with tools or disassembled parts Please inform the users so that the third party a child etc does not approach the equipment Connect the cut off lead wires with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 For an air conditioner which uses R410A never use other refrigerant than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed
163. rge port and the high pressure check joint of the liquid pipe and the gas pipe valve and then operate the vacuum pump 2 Carry out vacuuming until the vacuum low pressure gauge indicates 1 mmHg A CAUTION Before vacuuming open the pulse motor valve fully If the pulse motor valve is closed vacuuming may be impossible of the heat exchanger in the outdoor unit Forcible fully opened method for the pulse motor valve e Turn on the breaker switch e Short circuit CN300 on the interface board of the outdoor unit e Turn off the breaker switch 4 Refrigerant charge 1 Add a refrigerant amount determined by the pipe length from the charge port of the valve A CAUTION The water proof sheet rubber sheet should be mounted so that water drops from the accumulator or the pipes do not come into contact with the terminal section of the compressor 2 Pulse motor 1 Detachment valve PMV 1 Carry out work of item 1 of and above coll 2 Rotate the coil while pulling upwardly and then remove the coil from the pulse motor valve coil main unit Accumulator PMV unit 2 Attachment 1 Surely match the positioning projection of the coil with the concave part of PMV main unit and then fix it CAUTION Mount the coils or the coil carefully so that they do PMV coil not make contact with the accumulator 100 No Part name Procedure A 3 Fan guard 1 Detachment A 1 Ca
164. riginal positions Fin guard Bottom plate Cut in end plate Discharge of heat exchanger port cabinet SE 4 Side cabinet 1 Detachment 1 Carry out the operation in 1 of and 1 of Side cabinet C Type screw above seriation 2 Remove the screws fixing the inverter assembly TR and the side cabinet ST1T 4 x 10 3 pcs 3 Remove the screws for the side cabinet and the valve fixing plate ST1T 4 x 10 2 pcs 4 Remove screw for the side cabinet and piping e panel rear Hexagonal screw 4 x 10 1 pc Ai Ki Holder fixing 5 Remove screw for the side cabinet and the bottom plate Hexagonal screw 4 x 10 1 pc 6 Remove screws for the side cabinet heat exchanger and the fin guard Hexagonal screw 4 x 10 4 pcs 7 Remove the screw of the holder fixing plate and E H Fin grad the side cabinet C type 4 x 8 1 pc exchanger Attachment 1 Temporarily suspend the side cabinet on the Piping panel Bottom plate inverter assembly using the hook teat 2 Mount the removed screws in the opposite Inverter Ass procedure to that during detachment i S ds No Partname Procedure pen Inverter assembly Attachment Detachment a Remove the fan motor lead wire 1 Carry out the operation in 1 of 1 of and from the cord clamp 1 of above 2 Remove the connectors connected to the fan motor relay board and the Fan IPDU board the connector connected to other compone
165. ring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping material and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m9 Hr or 0 02 MPa 0 2kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 6 5 1 Prevention of oxidation during brazing Ad 6 6 Instructions for Re use Piping of R22 or R407C Instruction of Works The existing R22 and R407C piping can be reused for our digital inverter R410A products installations N WARNING Confirming the existence of scratches or dents on the existing pipes and confirming the reliability of the pipe strength are conventionally referre
166. rom those of the former refrigerant in order to prevent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe lt Piping gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clog
167. rrent value which flows in the outdoor unit is displayed 3 ON ON HB BANHGBAIBHE 1 2 3 4 1 2 3 4 1 2 3 4 Compressor operation frequency display Refer to The operation frequency of the compressor is displayed 3 PMV opening display The opening of PMV Pulse Motor Valve is displayed Ps sensor display Refer to Detected Ps sensor is displayed 3 OA Refer to 3 2 Error display The error which is generating at present and the latest error Latest error information including present can be confirmed by lighting LED D800 toD804 on the outdoor control P C board a When all DIP switch SW803 are OFF the status of error which is generating at present is displayed b lt 1 gt only of DIP switch SW803 is turned on the error which generated before Latest error information including present is displayed a c If there is an error any of LED D800 to D804 goes on Display 1 d When pushing the pushdown button switch SW800 for approx 1 second the display is exchanged Display 2 e When pushing SW800 again or after 2 minutes the status returns to that of Display Legend Genee SSC SE 0 O ON ON D800 D801 D802 D803 D804 D805 H H a H H o E E Yellow Yellow Yellow Yellow Yellow Green 1 2 3 4 1 2 3 4 Go off O Go on Flash Display 1 Display 2 Wired remote controller Initial EOT ie SW800 E TA EMOL content Error code 000000 Noma Ee eege A
168. rror count is added on each occasion the error zone is detected and when the error is Frequency slow up Until command detected 4 times a P03 error is performed When normal operation continues for a period of 95 10 minutes the error count is cleared According to command 49 3 Outdoor fan revolution number control Control of fan revolution number and the fan taps in this unit are shown below Fan Taps Revolution number Allocation rpm TT we wa ws we wr we we wa we we wo we wF tower Fan o o 250 270 a00 350 a10 470 580 590 640 710 770 810 860 ee 460 520 580 640 710 940 Lower Fan o O 250 300 350 410 470 50 90640 710770 10 850 920 3 1 Cooling fan control 1 Cooling operations of the outdoor fan are controlled by a TL sensor TO sensor and the compressor revolution number Control is performed per 1 tap of DC fan control The outdoor fan is controlled by every 1 tap of DC fan control 14 taps During startup operation is fixed for 60 seconds to a maximum fan tap corresponding to the zones shown in the table below Thereafter fan tap is controlled by a temperature outputted from the TL sensor e ea e a 58 A O A dde cecal Se ee IR 15 lt TO lt 29 C AE ee a E CECR w we lw Wa ws we WE Iw wr apen 29 C lt TO lt 38 C 1 tap 20 sec ER Maximum rps in each zone Revolution number HOLD 1 tap 20
169. rry out work of item 1 of D and 1 of above _ Kr GAUTION Remover sorew To prevent scratches to the product carry out the it fg DUE work on cardboard cloth etc S i 2 Remove the discharge port cabinet and place the fan guard side facing upwards Em 3 Remove the fixing screws for the fan guard 8 Hexagonal screws 4 x 10 2 pcs si 4 Remove the discharge port cabinet and then put on Bi it so that the fan guard side faces downward ae SS Remove the screws fixing the bellmouth ee ST1T 04 x 8 2 pcs Remove bellmouth y aid Press and remove hooking claw of fan guard with a ef flat screwdriver 2 Attachment e enz E 1 Press the projection on the upper side of the fan pe ge a T guard into the hole of the discharge cabinet and X gt WM then push in the hooking claws CNN Es Fix the claws by using your hands to press the hooking claws 5 positions sc D ze A CAUTION ER A Check that all the hooking claws are fixed at the ba A ae tr specified positions ia gl Bi 2 After mounting fix the fan guard with screws fl FEEL i Hexagonal screws 4 x 10 2 pcs Ki KA 3 Attach and mount the claws 3 positions on the AMA A upper side of the bellmouth in the square hole of l 7 VR 4 the discharge cabinet Kn Z 4 After mounting fix with a screw ST1T 4 x 8 2 pcs SC t cabinet Clawf 3Jpositions 0 15 EXPLODED VIEWS AND PARTS LIST E RAV S
170. rs 717 irte senrose ono OOO IET EC 1o suon emo sensor scenon O oaase EJE O TT Oe nenns 34 6 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 6 1 Safety During Installation Servicing As R410A pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materials exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupt
171. rter 127 15 3 Outdoor Unit RAV SM2244AT7 Z ZG RAV SM2804AT7 Z ZG AE A CIR af at ay V ION A 41 CS 13 14 AS S Uy 11 12 EEE VE A E Jer ES TAINAN SGD CS ot ESTA A A 4 ny vy RY Mi et ma 4 N d G here YES MS 60 B O DO DO MOS IO DO DO SID a ASS T AS Oy e y wut S CW Sgr UA ME 7 E 4 M G ly SYN K D Y S pA Po e i Nu Deg gr 2 AAN rg LAVA A inimi 9 f N Y o 5 KH H d TL eem WI been ch Pe Ur Ge FA 74 k L C ER ZA ie 30 Ca f L t lw PR sal AAA LOGS OS OSES GCS OS OY CYR o A Q C 5 CL ANA 9 48 gt em aL SC Ia a Jj IW ia y Ze 2 X 4 IDAS A ZL NN 1 Zei s EE C LIS A 1 5 KS SA J sl det Zu yA if z a E LL Be aj Lo A A DEA dl CY 1 AO ES 0 gt K fy FO Sg CZ Al Bang r L T gt A DJF J S WE VE SU E eg ME EA TC 1 AE OSA CTA Nal NW I 61 am ow Sp Di By NI q AP MA E A mT qa WU A O 4 D N oU HC P4 G 33 34 57 777 eT SCH ES UN DEV gt r CR i EAH Roi dei fy
172. rupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous O When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub room it is necessary that the density does not the Compulsion limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble O If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker Check after repair After repair work installation of front panel and cabinet has finished execute a test run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is sta
173. sting operations defrost will be terminated if the temperature from the TE sensor continues at 12 C or higher for 3 seconds or if the temperature is 7 C lt TE lt 12 C for 1 minute Furthermore the defrost operation will be terminated if defrosting operations have continued for 10 minutes even if TE sensor temperature is less than 7 C 3 After defrost operations have been reset the compressor restarts heating operations without stopping Start warming operation 0 10 15 39 45 99 90 min Dizone The minimum TE value during 10 and 15 minutes after starting heating operation is stored as TEO A When To is normal When To is abnormal Status TEO TE ToO To gt 3 C continues for 20 seconds Status TEO TE gt 3 C continues for 20 seconds Status TEO TE ToO To gt 2 C continues for 20 seconds Status TEO TE gt 2 C continues for 20 seconds C Zone Status TE lt 23 C continues for 20 seconds When compressor operation status TE lt 2 C is calculated for d minutes 4 The above time of d can be changed by selecting jumper J805 or J806 Setting at shipment 90 minutes SL O Simmie O Short circuit x Open 5 Short interrupted operation preventive control 1 Even when a thermostat OFF signal is received from the indoor unit the compressor may not stop during an 8 minute period after startup in order to protect the compressor This operation is not an error condition 2 When o
174. tdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit Indoor Outdoor communication error Is setting of group address NO Check Item code 14 of remote controller correct i YES re inner wiring and NO Correct wiring inter unit cables 1 2 3 normal and inter unit cable YES Are connection of CN01 of MCC 1599 and NO Correct wiring of connectors wiring of terminal blocks 1 2 3 normal and terminal blocks YES Does D502 Orange LED flash after Check indoor P C board power supply is turned on again Defect Replace YES Check outdoor P C board MCC 1599 Defect Replace E e a Yellow Example of discharge temp sensor error Go off O Go on Flash Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit lt Display 1 gt lt Display 2 gt Discharge temp sensor TD error Is CN603 connection normal Correct connector Is resistance value of TD sensor normal Sensor error gt Replace YES Check outdoor P C board MCC 1599 Defect Replace e There is a possibility that it is one of the following errors Confirm LED on outdoor PC board to judge which error it is Heat exchanger temp sensor TE error Heat exchanger temp sensor TL error Suction temp sensor TS error Miswiring of heat exchanger sensor TE TS lt Display 1 gt lt Display 2 gt
175. te If the total length of the refrigerant pipe exceeds 31 to 70m 30 m add refrigerant in the amount given in the Adding additional refrigerant Do not connect a refrigerant pipe that is shorter than 7 5 m This may cause a malfunction of the compressor or other devices Airtight test 1 Before starting an airtight test further tighten the spindle valves on the gas and liquid sides 2 Pressurize the pipe with nitrogen gas charged from the service port to the design pressure 4 15 MPa to conduct an airtight test 3 After the airtight test is completed evacuate the nitrogen gas Air purge To purge air use a vacuum pump e Do not use refrigerant charged in the outdoor unit to purge air The air purge refrigerant is not contained in the outdoor unit Electrical wiring e Be sure to fix the power wires and indoor outdoor connecting wires with clamps so that they do not come into contact with the cabinet etc Earthing N WARNING Make sure that proper earthing is provided Improper earthing may cause an electric shock For details on how to check earthing contact the dealer who installed the air conditioner or a professional installation company e Proper earthing can prevent charging of electricity on the outdoor unit surface due to the presence of a high frequency in the frequency converter inverter of the outdoor unit as well as prevent electric shock If the outdoor unit is not pro
176. te CN711 White Low pressure PMV2 Connector sensor connector CN704 Blue CN610 Yellow CN710 White CN01 White Compressor ON Outside input connector PMV1 Connector Inter unit cable connector out put connector 47 7 1 4 Print Circuit Board MCC 1600 Noise Filter CNO5 Red CN10 Red CN16 Red Power supply terminal L1 Terminal for MCC 1599 CNO2 and Terminal for PTC thermistor Terminal for power relay F01 Varistor protective fuse 250V 6 3A CN06 White Power supply terminal L2 CN17 White Terminal for F02 MCC 1596 CNO2 Varistor protective fuse 250V 6 3A CN18 Black Terminal for CNO7 Black ES Power supply terminal L3 a for F03 MCC 1599 CN02 Varistor protective fuse 250V 6 3A CNO9 Brown Terminal for grounding CN20 White fi Power supply terminal L2 e T CN23 Red Connector for MCC 1597 CN500 CNO8 Gray Neutral terminal CN51 Black CN50 White Connector for Connector for MCC 1597 CN602 MCC 1599 CN608 48 7 2 Outline of Main Controls 1 PMV Pulse Motor Valve control 1 The aperture of the PMV 1 2 is controlled between 88 44 44 to 1000 500 500 pulses during operation 2 During cooling and heating operations the PMV aperture is controlled by the temperature difference between a detected temperature from a TS sensor and a saturation temperature equivalent value TU temperature from a Ps sens
177. th the pipe lead out direction and shape it so that its end comes out from the outdoor unit 2 On the outside of the outdoor unit use the provided joints and braze the 19 1 mm pipe and 28 6 mm pipe Sart E SE es Joint accessory ECH Joint E accessory aL 19 1 mm pipe oe i accessor j y E B SH SE N D Brazing 19 1 mm pipe Brazing accessory P Elbow accessory 19 1 mm pipe accessory REQUIREMENT e Before proceeding to weld the refrigerant pipe be sure to pass nitrogen through the pipe to prevent oxidation inside it If nitrogen is not passed through the pipe the refrigerating cycle may become clogged by oxidized scales The 28 6 mm pipe cannot be passed through the pipe cover and knockout hole in the base plate so be sure to connect the 419 1 mm pipe and 28 6 mm pipe outside the outdoor unit Digital Inverter E Tightening of Connecting Part 1 Align the centers of the connecting pipes and fully tighten the flare nut with your fingers Then fix the nut with a wrench as shown in the figure and tighten it with a torque wrench Half union or packed valve Flare nut w Externally Internally threaded threaded side side Fix with wrench Tighten with torque wrench 2 As shown in the figure be sure to use two wrenches to loosen or tighten the flare nut of the valve on the gas side If you use a single crescent the flare nut cannot be tightened to the re
178. the screw 1 position fixing the dis charge port cabinet and the screws 4r positions fixing the inverter assembly IPDU and then remove the lead wire from the top clamp Slide and remove the inverter assembly IPDU rotate through 90 degrees and place the base facing the front surface Remove the lead wire and connector to other components from the compressor IPDU board CNO1 Relay Red CNO2 Noise filter board White CNO3 Relay Black CN04 Posister Red CNO7 Power supply terminal block Blue CNO8 Power supply terminal block Blue CNO9 Power supply terminal block Yellow CN10 Power supply terminal block Yellow CN201 Compressor Red CN202 Compressor White CN203 Compressor Black CN851 FAN IPDU board 5P Red CN101 FAN IPDU board 3P White Connectors should be removed after unlocking the housing section Remove the screws 4 positions fixing the heat sink and the screws 3 positions fixing the compressor IPDU board and then remove the compressor IPDU board 2 Attachment 1 Mount compressor IPDU board 2 Mount components in the opposite method to that when removing Temporary suspended state of Inverter Assembly IPDU E E gt MAER Using the hook it is possible to temporarily suspend the inverter assembly IPDU Using the hook 119 Inverter assembly NH front Compressor lead Rotate 90 Inverter assembly 4 IPDU Screw Discharge port c
179. time the power fed to the master unit and reboot works the master unit may change though the indoor unit line address is not changed Gi 9 3 Outdoor Unit 9 3 1 Various Setting on Outdoor Unit Existing piping Power save Cooling only etc The following settings are available by DIP switch setup and jumper line setup Function Set position Control contents Existing Turn the switch to ON when 19 1 is used for the existing pipe piping setup In this case the heating capacity may lower according to outside temp and indoor temp in heating operation ON Power save Turn the switch to ON when using the power save function setup 1 3 4 The control to lower the compressor frequency Approx 10 is performed by indoor heat exchanger temp in heating operation Existing piping setup Power save setup When snow enters from clearance of the fan guard or heat Snow proof fan control exchanger into blast path and it is accumulated the control to Snow proof prevent generation of motor lock is validated fan control e UENS When outside temp is below 0 C though the compressor stops the outdoor fan operates with W5 CR M The defrost interval is cut to shorten it than the standard status ge SE ange J805 J806 For contents of control and cutting method refer to Section 7 4 Defrost control When it is needed to lower the maximum value of the compressor frequency cut the jumper line Max frequency at cooling heating is lowe
180. ure 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air conditioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 Ifa refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manu
181. vacuum pump to discharge the air nitrogen etc that remains in the set If air remains the capacity may decrease For the vacuum pump be sure to use one with a backflow preventer so that the oil in the pump does not backflow into the pipe of the air conditioner when the pump stops If oil in the vacuum pump is put in an air conditioner including R410A it may cause trouble with the refrigeration cycle Compound pressure gauge 101 kPa RK 76 cmHg a Handle Low Pressure gauge Gauge manifold valve Handle High Keep fully closed Charge hose ee fully For R410A only Charge hose For R410A only Vacuum pump adapter for counter flow a prevention For R410A only Charge port Valve core Setting pin Packed valve at gas side 14 Vacuum pump As shown in the figure connect the charge hose after the manifold valve is closed completely y Attach the connecting port of the charge hose with a projection to push the valve core setting pin to the charge port of the set y Open Handle Low fully y Turn ON the vacuum pump 1 y Loosen the flare nut of the packed valve Gas side a little to check that the air passes through 2 4 Retighten the flare nut y Execute vacuuming until the compound pressure gauge indicates 101 kPa 76 cmHg 1 y Close Handle Low completely y Turn OFF the vacuum pump y
182. ving error from remote controller 1 Check remote controller inter unit wiring 2 Check remote controller 3 Check indoor power wiring 4 Check indoor P C board Sending error of remote controller 1 Check sending circuit inside of remote controller gt Replace remote controller In 2 remote controllers including wireless there are multiple main units Check that there are 1 main remote controller and other sub remote controllers Check setting of central control system network address Network adapter SW01 Check network adapter P C board Check communication wire miswiring Check communication U3 U4 terminals Check network adapter P C board Check central controller such as central control remote controller etc Check terminal resistance TCC LINK Check the check code of the corresponding unit from remote controller This trouble is related to communication of remote controller A B central system TCC LINK U3 U4 and E01 E02 E03 E09 or E18 is displayed or no check display on the remote controller according to the contents 66 8 2 5 Diagnostic Procedure for Each Check Code Outdoor Unit 1 This section describes the diagnostic method for each check code displayed on the remote controller 2 In some cases a check code indicates multiple symptoms In this case confirm LED display on the outdoor P C board to narrow the contents to be con
183. ving unit and indoor unit E02 E03 Communication stop Operation Timer E08 Duplicated indoor unit No E09 Duplicated master units of remote controller E10 Communication error between CPUs on indoor unit PC board Wire connection error between indoor units Indoor power OFF E18 Communication stop between indoor master and follower or between main and sub indoor twin Setup error Flash Operation Timer Miswiring between indoor unit and outdoor unit or connection erorr Communication stop between indoor and outdoor units Operation Timer Overflow was detected Protective device of indoor unit worked Indoor DC fan error Outdoor unit discharge temp error Protective device of Outdoor high pressure system error outdoor unit worked Negative phase detection error P07 Heat sink overheat error Outdoor unit error Gas leak detection error P19 4 way valve system error Indoor or outdoor unit judged P20 Outdoor unit high pressure protection Operation Timer Ready e Loo _ Alternate flash reg Outdoor unit Outdoor unit error P26 Outdoor unit Inverter ldc operation Outdoor unit Position detection error Protective device of outdoor unit worked P29 P31 Stopped because of error of other indoor unit in a group Check codes of E03 L03 L07 L08 1 These are representative examples and the check code differs according to the outdoor unit to be combined BECK Check code Lamp in
184. way Use wires long enough to cover the entire length Wiring connections differ in conformance to EMC standards depending whether the system is twin triple or double twin Connect wires according to respective instructions N CAUTION An installation fuse must be used for the power supply line of this air conditioner Incorrect incomplete wiring may lead to an electrical fire or smoke Prepare an exclusive power supply for the air conditioner This product can be connected to the mains power Fixed wire connections A switch that disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring Simultaneous triple and double twin system Remote controller Remote controller wiring Indoor side Indoor Outdoor connecting wires Outdoor side Remote controller inter unit wiring Indoor power inter unit wiring K sse l 0000 9 380 415 V 3N 50Hz 380 V 3N 60Hz Triple Wiring diagram For details on the remote controller wiring installation refer to the Installation Manual enclosed with the remote controller Simultaneous twin system Remote controller Remote controller inter unit wiring Remote controller wiring Indoor side Indoor Outdoor E connecting wires Indoor power Outdoor side inter unit wiring 1 Lo gt ess 60000 380415 V aN Sore 380 V 3N 60Hz Remote controller inter unit wiring Remote c
185. y AC220 240V 13 oil Solenoid STF 01AJ502E1 14 Valve 4 way STF 0731G 15 4314673 Valve Check ZGV S55B A 16 43148208 Accumulator 17 43148209 Accumulator 18 Panel Back Piping 19 Rubber 43122095 Base Ass y Motor 21 Base Ass y Motor 22 ondenser Ass y Lower 23 4314G18 ondenser Ass y Lower 24 4314G18 ondenser Ass y Lower 25 4314G19 ondenser Ass y Up 26 ondenser Ass y Up 27 ondenser Ass y Up 4301P70 ark TOSHIBA 29 ark Inverter 30 oint Check 31 4311939 anger 32 4310034 anel Front Piping 33 4314931 ubber Supporter Pipe DIA 19 0 34 ubber Supporter Pipe DIA 8 0 35 nsulator Sound Up 36 4311133 nsulator Sound In 37 sulator Sound Out 38 43100329 Cabinet Ass y Out 43100332 Cabinet Ass y Up 43100335 Cabinet Ass y Front Panel Ass y Side Cabinet Ass y Top Sensor Ass y Low Pressure NSK BC010F 067 Nut Flange Nut Flange Bushing Rubber Cushion Bonnet Bonnet 3 4 IN Strainer Strainer Holder Thermostat Holder Sensor Bolt Compressor M6 Bolt Compressor M6 Band Fix Plate Fix Condenser Plate Fix Condenser 43046494 Coil PMV Ass y UKV A040 4314Q004 Strainer 7 OIOI C i 12 PO O1 20 N O IN 28 O lt O 39 40 00 4 4 4 4 4 4 4 4 4 aja lwin O CO 1 2 3 4 5 6 7 8 9 50 51 52 53 59 56 57 58 59 61 gt Si NIN NIOO O
186. y efficiency class AN NO 8 H M L m3 min 0 N 35 31 28 Sound pressure level WML dBeA 35 31 28 35 31 28 Sound power level a mal 50 46 43 50 46 43 Outdoor unit no e Dag o Outdoor high m NS Propeller fan Propeller fan Motor W 100 100 100 100 Outdoor unit Pipe branch Liquid side mm 9 5 Sound power lever cooing Heating mal 72 74 72174 50 46 43 7 A O A al Outer dimension oO O A al SU al Height difference 4 4 4 4 2 8 Fan Fan unit Standard air flow 0 0 0 0 0 0 30 3 30 3 CA O re on on Propeller fan 133 100 100 28 6 12 7 Connecting pipe 15 9 Pipe branch Indoor unit 57158 74 75 Wel Wu Wel Wu x IEC standard me ee 1 1 5 Duct Type lt Triple type gt Indoor unit 1 RAV SM 802BT E 802BT E Indoor unit 2 RAV SM 802BT E 802BT E Indoor unit 3 RAV SM 802BT E 802BT E Outdoor unit RAV SM 2244AT8 E 2804AT7 Cooling capacity kW 20 0 23 0 Heating capacity kW 22 4 27 0 27 0 3 phase 380 415V 50Hz Power supply Energy efficiency class Running current A 15 44 Power consumption kW oun s lun 9 55 Cooling Power factor NS 94 Electrical a 12 80 characteristics Running current A 10 34 9 47 12 80 11 72 10 34 Power consumption kW 6 40 4 4 0 0 0 7 1 94 6 40 7 92 Heating Power factor 94 O Ee Nr 12 C pn amp C

Toshiba RAV-SM2244AT7 Air Conditioner User Manual

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