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R410A RAV-SM561KRT-E RAV-SM801KRT-E

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3. freezing cycle gas applicable models error is detected leakage COOL 30 seconds 2 Check low pressure switch circuit HEAT 10 minutes 3 Check outdoor unit board L29 Other outdoor unit errors OFF Indicated when 1 Check CDB IPDU wiring CDB IPDU communication error error is detected 2 Freezing cycle overload operation connector disconnection Abnormal heatsink temperature over specified value L31 1 Phase detection protection circuit Operation Indicated when an 1 Check phase sequence reverse activated normal models continued error is detected phase and phase loss compressor 2 Check outdoor unit boards OFF 3 Check high pressure switch 4 Check high pressure switch circuit wiring Abnormal discharge temperature OFF Indicated when an 1 freezing cycle gas leakage over specified value error is detected 2 Failure of electronic expansion valve 3 Check piping sensor Td P04 Failure of high pressure protection circuit OFF Indicated when an 1 Freezing cycle overload operation Temperature over specified value error is detected 2 Check outdoor unit TE sensor detected by TE sensor 3 Check outdoor unit CDB board High pressure switch normal models 4 Check high pressure switch and circuit P22 Failure of outdoor unit DC fan OFF Indicated when an 1 Position detect error error is detected 2 Overcurrent protection circuit operation of outdoor unit fan driver 3
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5. Press 2 to return to the normal indication Operation procedure REQUIREMENT Do not press as this button clears entire error log of indoor unit 60 ON SITE SETTING AND OTHERS Continued Group Control Operation Group control allows operation control of up to 8 indoor units using one remote controller It includes twin triple and double twin controls with one outdoor unit The indoor unit connected to outdoor unit controls room temperature according to the R C setting An example of system O U VU 7 1 8 units maximum 1 Scope of R C indication The indoor unit setting range operation mode fan speed temperature set in the header unit is reflected in the remote controller Do not set a concealed duct high static pressure type AID P 1H for header unit f the type is set as header unit settings are as follows Operation mode Auto cooling heating HEAT COOL or FAN without DRY Fan speed HH In the DRY operation mode FAN mode is not available for duct models Do not set a COOL only model for header unit Auto cooling heating and HEAT operation modes are not available 2 HA Both indoor and outdoor units are compatible with the remote control HA Operation ON OFF control for entire group is available Multiple HA inputs in one group not allowed 3 Address setting If there is no serial data communication between indoor and outdoor units at po
6. End Operation procedure 0 Q amp u 12 EXPLODED VIEWS AND PARTS LIST High Wall Type RAV SMb561KRT E RAV SM801KRT E Location Description Location Part Description No No No 43T00048 FRONT PANEL ASSY 43149009 SPRING 43T09340 SUCTION GRILLE 43149036 PLATE EVA SEAL 43T80014 AIR FILTER L 43149039 HOLDER PLATE EVA SEAL 43T80013 AIR FILTER R 43149038 PLATE EVA SEAL 43T80003 FILTER FRAME 43149037 HOLDER PLATE EVA SEAL 43T03010 BODY RIGHT 43179007 GUIDE DRAIN 43T03011 BODY LEFT 43739016 FIX FOR MOTOR 43T03012 HIDE CLAW 43T60075 FAN MOTOR CORD 43T09317 LOUVER H 43121327 MOTOR FAN 43770001 HOSE ASSY DRAIN 43720014 FAN CROSS FLOW 43121302 MOTOR STEPPING 43122008 M B BEARING 43744316 REFRIGERATION ASSEMBLY 43739015 BASE BEARING FOR SM561KRT E 43T03305 BACK BODY ASSY 43744317 REFRIGERATION ASSEMBLY 43T07022 HOLDER PIPE FOR SM801KRT E 43T82007 PLATE INSTALLATION 43711002 PIPE SHIELD 43785483 OWNER S MANUAL FOR SM561KRT E 43769309 WIRELESS REMOCON WH H2UE 43T11002 PIPE SHIELD 43783003 HOLDER REMOTE CONTROLLER FOR SM561KRT E 43T62029 COVER TERMINAL 43T19003 FIX P SENSOR 76 RAV SMb561KRT E RAV SM801KRT E Location No Part No 43T60047 43T60320 43T60321 43T50308 43T50306 43T69320 TERMINAL TERMINAL TERMINAL SENSOR HEAT EXCHANGER TEMPERATURE SENSOR TEMPERATURE SENSOR Location Part ut 43T60361 43T09343 43
7. New code Failure of board Check power voltage Improve power lines Check external noise Is O U free from power fluctuation Check CDB board EO8 LO3 LO7 LO8 New code old code E08 I U number duplicated 103 Multiple header 1 0 under group control L07 One or more group address individual under group control 108 I U group address not set 99 When any of these codes is detected at power on the unit enters auto address setting mode automatically No code is indicated However if any of these codes is detected in the auto address setting mode a check code is displayed in some cases L09 Indoor unit capacity not set Indoor unit capacity not set New code Set I U capacity data DN 11 Check MCC 1510 board Replace it if necessary Is indoor unit capacity set 43 L20 Duplication of central control address Central control address is duplicated New code Are U3 U4 communication cables connected Correct cable connection normally YES When unit connected to U3 U4 Set the connected unit to is in a group is it set header unit to header unit Check and correct address central control address L30 I U external interlock When an external alarm is input New code Check I U boards Replace defective board Is external device connected to CN80 Is external device working n
8. Press to return the operation mode to normal OFF Operation Fan speed Setting temp Flap position Use this mode to measure JRA capacity Cooling rating Cooling Quick high 18 C Horizontal angle Use this mode under the conditions of JIS B8615 1 Heating rating Heating Quick high 29 C Horizontal angle Perform the settings in the table by remote Cooling middle Auto Cooling Auto 23 C Horizontal angle controller Heating middle Auto Cooling Auto 24 Horizontal angle Execution procedure Press gt on the RIC To reexecute JRA capacity measurement repeat steps from step eq above Once this measurement is completed the above setting is reset 1 5 Function Select Setting wired R C only Perform the following steps in the operation OFF mode Press 5 and amp at the same time for 4 seconds or more in the OFF mode In the group control mode the header unit number is displayed first y e Each pressing of indicates indoor unit number in the group sequentially TIMER SET FAN MODE Choose the main indoor unit connected to the outdoor unit this Ce function is to be performed The fan and flap of the selected indoor unit start working v Specify DN with buttons Operation procedure Set the setting data with 365 buttons 0 0 0 0 0 O0 o Press Indication on the LCD shows normal operation To change t
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10. Check indication of lamps Check faulty location and parts Note Other than the check items in the table malfunction or wrong diagnosis of microcomputer due to effect of power or external noise is considered If there is any source of noise shield the signal lines a Outline of judgment The following describes the primary judgment of locating faulty unit indoor unit or outdoor unit In the case of group control operation the header unit also indicates errors of follower unit by lamp Judging from lamp status of indoor unit The indoor unit monitors the operating status of air conditioner When the protection circuit is activated the indoor unit indicates the following self diagnosis contents VV 0OFF Blinking 0 5 seconds interval Lamp indication Check code Possible causes OPERATION TIMER PREPARING Power OFF Poor connection contact between receiver indication unit and e o indoor unit control board All OFF E01 Reception error Wired remote Wrong connection or 202 Transmission error controller poor contact between Communication error wired remote controller OPERATION TIMER PREPARING 203 and inde ait s E08 BL M t indoor unit H Invalid setting o 09 uplication of remote controller header Blinking E18 Poor connection contact between indoor units or indoor unit power OFF Communication error between header and fol
11. Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder oS Ea bl 4 Nitrogen gas Rubber plug Fig 6 5 1 Prevention of oxidation during brazing T 7 1 Indoor Control Circuit Max 8 units are connectable 1 1 When group and twin combination main remote controller shal be connected follower indoor unit 2 Weekly timer is not connectable to the sub remote controller Indoor unit 1 Heade Central control Indoor control P C board MCC 1510 INDOOR UNIT CONTROL Main Sub master remote controller Wired Weekly timer Function setup Key switch Function setup Key switch DC5V Power circuit Sold separatrly Remote controller communication circuit r unit Central control remote controller communication Sold separatrly Remote controller circuit Reciver and Display P C board MCC 819 Display LED DC20V communication circuit DC12V DC5V pa Driver CPU H8 3039 Louver motor Outside output Serial send receive circuit Wireless remote signal DC280V Power circu Setting Fan motor A B control circuit it Outdoor unit Outdoor unit Outdoor unit 16 INDOOR UNIT CONTROL CIRCUIT Continued 7 2 Control
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13. ely Xi 06 Temperature sensor TS error 7 Outdoor unit e x EG Outside air temperature sensor TO error sensor error L1 Alternate blinking OPERATION TIMER PREPARING F29 Failure of indoor unit EEPROM VV xv XXe L Simultaneous blinking Compressor breakdown OPERATION TIMER PREPARING Outdoor unit P H02 ompressor locking mibr e O e EG Current detect circuit error Saor E Outdoor unit low pressure system error d Blinking 03 Duplication of header indoor unit id IR 107 Group connection indoor unit for Auto address e X 7 individual indoor unit If group configuration fp py 08 Group address not set or address at power on Log No setting indoor unit capacity is invalid the unit Simultaneous blinking enters address setting mode automatically OBERUDOR MER PREPARING L20 Duplication of indoor unit collective address NM M 129 ebd 2 unit Others Xo dr L30 ernal interlock error ase sequence error 1 L31 Simultaneous blinking Check code detected by outdoor unit is a typical example It varies with outdoor unit of combination For details see the Service Guide of applicable outdoor unit 29 Others Excluding check code Check code Possible causes Trial operation in progress Lamp indication OPERATION TIMER PREPARING Xt Xx Xd 1 N 1 N 1 Simultaneous blinking Invalid setting Auto cooling heating
14. 39 E09 Duplication of R C header R C header setting is duplicated New code Are 2 headers set by double R C Correct one header one follower R C address connector Check R C board Replace it if necessary E18 Communication error between Improper wire connection between I U New code and follower I U 2 Improper wire connection between I U and O U Failure of I U board Invalid I U board switch setting Are A B wires NO normal YES Correct R C wire connection Improper harness connection from 1 0 terminal block YES Correct connector connection Check circuit wiring NO Is I U switch SWO2 setting correct Bit 1 2 OFF NO Correct switch setting on MCC 1510 board YES NO Group control operation Are all indoor units powered ON Check I U power connection power off and on Twin or triple control Improper signal connection between 1 0 and O U Correct signal wire connection between 1 0 and NO Check MCC 1510 board Replace it if necessary 40 Troubleshooting Continued 201 sensor error I U sensor error New code Is TCJ connector CN102 connected normally Is TCJ resistor characteristic normal Replace sensor TCJ See I U temp sensor characteristics 2 YES Check I U main board Replace
15. COOL operation Calculates room temp difference between Ta and Ts as well as room temp variation every 90 seconds to find correction value of specified operating frequency and to correct the current operating frequency Ta n Ts n Room temp difference n Number of detection times Ta n 1 Ta n Room temp variation 1 Number of detection times 90 seconds before 3 HEAT operation Calculates room temp difference between Ta and Ts as well as room temp variation every 60 seconds to find correction value of specified operating frequency and to correct the current operating frequency Ts n Ts n Room temp difference n Number of detection times Ta n Ta n 1 Room temp variation n 1 Number of detection times 60 seconds before 4 DRY operation The frequency correction control is the same as that for COOL operation However the maximum frequency is limited to S6 or so Note When LOW fan speed is set the maximum frequency is limited to SB or so COOL HEAT AUTO control 1 Switching between COOL and HEAT is determined based on the following control 5 COOL After 10 minutes pass from 0 th OFF 415 ermo sensor MEN operation mode changes Tsc COOL ON from HEAT thermo sensor or Tsh OFF to COOL if Ta exceeds Tsh 41 5 1 5 shows an example of HEAT COOL ON OFF After 10 minutes pass from thermo sensor OFF operation mode changes from COOL thermo sensor OFF to HEAT if Ta lower
16. Replace EEPROM again Mount the original EEPROM on the service board Q Replacing Service Board and Power ON 2 see page 51 Q Writing Setting Data in EEPROM 3 see page 52 Q Power ON reset for all indoor units connected to R C in group control mode Case 3 When the EEPROM before replacement is defective and the settings cannot be read Replacing Service Board and Power ON 2 see page 51 SUE Writing Setting Data in EEPROM using customer information 3 see page 52 NU Power ON reset for all indoor units connected to R C in group control mode 50 HOW TO REPLACE SERVICE BOARD OF INDOOR UNIT Continued 1 Reading EEPROM Data Read EEPROM data that was updated at site in addition to factory setting 1 Press cL and on the R C simultaneously for 4 seconds or more see page 52 n the group control mode the header unit number is displayed first At this time code DN 0 is displayed and the fan of the selected indoor unit runs its flap swings and the OPERATION TIMER and PREPARING lamps blink 2 Each pressing of indicates indoor unit number in the group sequentially Specify indoor unit number whose board is to be replaced 3 Each pressing of TEMP C J v buttons increments or decrements DN 4 Change DN from 0 to Q first Setting of filter sign ON time Write down the setting data displayed 5 Change DN with TEMP C 4 J vw buttons and write down th
17. Specifications 1 Fan motor for indoor ICF340 30 X Output Rated 30 W 220 240 V MF 340 30 X 2 Grille motor MP35EA12 3 Thermo sensor TA sensor 268 mm 10 at 25 C 4 Heat exchanger sensor TC sensor 6 mm 400 mm 10 at 25 C 5 Heat exchanger sensor TCJ sensor 6 mm 400 mm 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 RA10A 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 refrigerat ing 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 s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als 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 conditio
18. is clear Incase of independent operation 1 1 connection of wired R C and I U Perform the procedure during operation of indoor unit Procedure 5 ON OFF When the indoor unit is not working press the R C y UNIT Press UNIT No appears on the LCD and disappears in several seconds The displayed number shows the refrigerant line address and indoor unit address When other indoor units are connected to the same remote controller group control their unit numbers are displayed in order each time is pressed 2 To find the location of indoor unit from its address When checking indoor unit number in the group Perform the procedure while the indoor unit is not working This procedure stops operation of all indoor units in the group Procedure Indoor unit numbers appear one by one and the fan and flap of the displayed unit run Q Press 5 and Cap on the R C simultaneously for 4 seconds or more UNIT No 4 L appears The fan and flap of all indoor units in the group run v Each pressing of C5 on the R C displays unit numbers the group sequentially The header unit address appears first The fan and flap of a selected indoor unit run V Press c5 to finish the procedure Operation of all the indoor units in the group turns OFF 75 FILTER RESET TEST Operation procedure 0 0 FILTER RESET TEST 4
19. it if necessary F02 sensor TC error Sensor TC open or short circuit New code Correct connector connection Is TC connector CN101 connected normally Is TC resistor characteristic normal Replace sensor TC See I U temp sensor characteristics 2 YES Check I U boards Replace defective board 41 F10 sensor TA error Sensor TA open or short circuit New code Is TA connector CN104 connected normally Correct connector connection Is TA resistor characteristic normal Replace sensor TA See I U temp sensor characteristics 1 YES Check MCC 1510 board Replace it if necessary F29 Other indoor unit errors Failure of 1 0 board New code This is an error of non volatile EEPROM IC10 on the indoor unit board which occurs during operation Replace the service board f EEPROM is not mounted at power on or if no data can be read written from in the EEPROM auto address mode is repeated At this time the AI NET central controller indicates code 97 About 3 minutes About 1 minutes Power on SETTING appears SETTING disappears LED 002 on the I U Reboot on the R C board blinks for about reset 10 seconds 1Hz Repeated 42 Troubleshooting Continued F31 O U EEPROM error Failure of power supply voltage noise etc
20. setting for auto cooling heating unavailable unit or heating setting for cool only unit OPERATION TIMER PREPARING N 4 N O pos Xo Alternate blinking Error mode detected by remote controller or central controller Diagnosis function Jud indue Check code Possible causes Air conditioner status Conditions No communication with OFF Failure of remote controller power indication header indoor unit supply or indoor unit EEPROM remote Remote controller is not 1 Check remote controller wires controller connected correctly 2 Check remote controller disabled Indoor unit is not powered 3 Check indoor unit power wiring on 4 Check indoor unit P C board Auto address setting is not 5 Check indoor unit EEPROM and completed insertion into socket Auto address repetition occurs E01 No communication with OFF auto reset Indicated when an Remote controller signal reception error 2 header indoor unit Operation error is detected 1 Check remote controller wires Disconnection between continues under 2 Check remote controller remote controller and header central control 3 Check indoor unit power wiring indoor unit detected by R C 4 Check indoor unit P C board E02 Signal transmission error OFF auto reset Indicated when Remote controller transmission error to indoor unit detected by Operation error is detected 1 Check remote controller
21. switching control Switching at set temperature data 2 28 Auto restart after power failure 0000 Not provided 0001 Provided 0000 Not provided 2A Option alarm input CN80 0000 Filter input 0001 Alarm input 0002 External alarm selection 0002 External alarm input input 2b Thermo output T10 3 selection 0000 I U thermo sensor 0001 O U compressor ON 0000 I U thermo output sensor ON 2 HAterminal T10 1 selection 0000 Normal JEMA 0001 Card input 0000 Normal 0002 Fire alarm input HA terminal 31 Ventilation fan single operation 0000 Disabled 0001 Enabled 0000 Disabled 32 Sensor selection 0000 Unit sensor TA 0001 R C sensor 0000 Unit sensor 60 Timer setting wired R C 0000 Available 0001 Unavailable 0000 Available 69 Flap setting for cooling 0000 Normal 0001 Down allowed 0000 Normal 8b Correction of feeling of strong 0000 Not provided 0001 Provided 0000 Not provided heating 57 1 6 Wiring and Setting for Remote Controller Double R C control when controlling by two remote controller switches This control is provided to control one or more indoor units by two remote controllers Up to 2 remote controllers can be installed No setting is required when using in combination with a wireless remote controller RBC ATX12E Controlling one indoor unit by 2 Controlling indoor units by 2 remote remote controllers controllers R C switch R C switch R C switch R C sw
22. the air conditioner a Indication of unit number Indication of alarm check code and an indoor unit number appearon UUNIT No M M LEE the LCD of remote controller noi CHECK _ Check code is displayed only during operation I7 1 Alternate blinking H LU If indication disappears check errors following ___ Checking Error Log below 2 Checking Error Log When an error occurs in the air conditioner error log can be checked following the steps below Up to 4 errors are memorized Error log can be checked in both operation ON and OFF states 1 Press SET and TEST at the same time for 4 seconds or more Q Indication of SERVICE CHECK and UNIT No 01 appear 3 When selecting a group number blinking a unit number and the latest error log if any are displayed alternately Temperature setting is disabled at this time Indication of unit number Indication of alarm E nti Alternate blinking nn eR Ra a To check other errors choose a code 01 to 04 with TEMP A V buttons To check error log of another group choose a group number with lt gt buttons Do not press CL as this button clears entire error log of the selected group 6 Press TEST to finish the service check 36 Troubleshooting Continued 3 Troubleshooting for Each Check Code E01 R C communication error Improp
23. transmitter R C continues under Replace remote controller central control E09 Multiple remote controller OFF Follower R C Indicated when an 1 Check for multiple remote headers detected by continues error is detected controller headers operation One header only others are follower R C L20 Duplication of indoor unit OFF auto reset Indicated when an 1 Check central control network collective address during error is detected address setting Central Communication of central controller Control system 120 detected by indoor unit central controller Failure of central control Operation Indicated when an 1 Check communication line 8 communication circuit continues following error is detected wrong connection and indoor Central detected by central R C unit power supply controller Controller 2 Check communication circuit Transmission 04 XY terminals C05 3 Check central controller Reception including central control R C C06 4 Check terminating resistors TCC LINK Failure of indoor unit group Continue OFF Indicated when an Check the unit s check code with follower unit depending on error is detected remote controller Central Situation controller P30 b7 2 No check code can be indicated by wired remote controller Normal operation of air conditioner cannot be controlled by wired remote controller Check codes are indicated by the lamps for wireless m
24. without pressing For individual remote controllers without group control a CD C CHO refrigerant line address and an indoor unit address are Geol eS cm indicated RESET TEST SET CL UNIT b d Specify code 23 with 5 5 buttons TIME Table 1 Choose setting data with buttons Table 1 shows setting data Setting data Address No for central control 0001 1 9 0002 2 o Press Indication on the LCD shows normal operation 0093 E To change an item for setting return to m T amp 0099 Not set factory setting 9 Press to return to the normal indication 70 11 ADDRESS SETTING 1 Address Setting Address Setting Procedure When twin or triple operation is selected with one indoor unit and one outdoor unit or when one outdoor is connected to each indoor unit even with multiple refrigerant systems in group operation auto address setting is completed during the power on process of outdoor unit Remote controller operation is disabled during the auto address setting process 4 to 5 minutes O U refrigerant line address I U address group address setting Connections wiring completed Do you set I U address freely One refrigerant System 15 group control going Y To auto address setting mode Multiple units for twin triple operation Power ON outdoor unit Auto address setting first then corrected Power ON outdoo
25. 1 system 32 system 33 Refrigerant line address Indoor unit address An example after auto address setting Group address Refrigerant line address Indoor unit address After changing refrigerant line address manually Group address For changing setting refrigerant line addresses by wired remote controller refer to ADDRESS SETTING Change refrigerant line address of all indoor units connected directly to the central controller to 30 These indoor units are under twin or triple control also change the refrigerant line address of follower indoor units to 30 Change indoor unit addresses so that they are not duplicated 69 3 1 8 Central Control Address Number Setting To connect an indoor unit to the central control remote controller an address number for central control must be set An address number for central control is indicated as the refrigerant line number of the remote controller 1 Setting by Remote Controller on Indoor Unit Side Procedure Perform the following steps in the operation OFF mode Q Press amp and 5 on the RIC simultaneously for 4 seconds or more When group control is going UNIT No 8 i is displayed first and all indoor units in the group are selected At this time the fans of all the selected indoor units start running Fig 1 CONES Maintain this state
26. 8 2 2 9 0 Heating low temp capacity Note 1 kW 4 9 5 8 Energy consumption effect ratio Cooling 2 93 D 3 29 3 11 2 46 E 3 00 D Electrical characteristics Power supply 1 phase 230V 2 20 240V 50 Hz Running current 8 33 7 63 8 138 7 46 13 15 12 05 12 91 11 84 Power consumption Low temp 1 74 1 7 2 72 2 67 Power factor 94 Appearance Main unit Pure white Ceiling Panel Model Sold separately panel color Outer dimension Height Main unit Width Depth Height Ceiling panel Sold separately Width Depth Main unit Total weight Ceiling panel Heat exchanger Finned tubu Soundproof Heat insulating material Inflammable polyethylene foam Foamed polyethylen Fan Turbo fan Fan unit Standard air flow High Mid Low m h Motor W 30 Air filter Attached main unit Controller Sold separately Wired remote controller RBC AMT21E Gas side mm 912 7 1 2 915 9 5 8 Connecting Liquid side pipe mm 26 4 1 4 29 5 3 8 Drain port Nominal dia 25 Polyvinyl chloride tube Sound level High Mid Low Note 2 88 A 45 Note 1 The cooling capacities and electrical characteristics are measured under the conditions speciied by JIS B 8616 based on the ref
27. CC LINK central controller 38 Troubleshooting Continued E04 O U communication error Improper connector connection between I U and New code detected by I U Improper wire connection between 1 0 and O U Failure of I U or O U board Case thermo sensor ON G Invalid I U board switch setting NO NO Does O U work Is group address set correctly Check code 14 YES YES Are 1 2 3 wires normal Correct wires YES re connectors from I U and Correct connector connection connected normally YES Is I U switch SWO2 NO Correct switch setting on setting correct Bit 1 2 OFE MCC 1510 board YES Does voltage between NO Check MCC 1510 board I U terminal 2 and fluctuate 0 140 VDC Replace it if necessary Measure within YES 20 seconds from power on Is 280VDC applied across IPDU main No Terminal block circuit capacitor Replace IPDU YES Is 280VDC supplied to NO Replace IPDU CDB CNO3 YES Is 7VDC supplied NO Replace IPDU 2 T _ Correct connector connection connection normal YES Is case thermo sensor NO Correct connector connection connected CN500 YES Check MCC 1510 board NO Replace it if necessary S case thermo sensor working Check Replace it if necessary YES Check I U boards Replace defective board Check and correct refrigerant volume
28. DN 0 is displayed and the fan of the selected indoor unit runs its flap swings and the OPERATION TIMER and PREPARING lamps blink 2 Each pressing of indicates indoor unit number in the group sequentially Specify indoor unit number whose board is replaced This operation is disabled if UNIT No is AL L 3 Each pressing of TEMP v buttons increments or decrements DN 4 Set the indoor unit capacity first The factory setting data is written in the EEPROM i Change DN to with TEMP C 4 J v buttons ii Set the indoor unit capacity with TIME 4 buttons tor example 0012 for 80 class See the table page 53 iii Press Indication on the LCD shows normal operation iv Press to return the operation mode to normal OFF 6 It takes about one minute until R C operation is enabled 5 Write the data set after installation such as address in the EEPROM Repeat steps 1 and 2 above 6 Specify DN 2 with TEMP 4 v buttons Setting of filter sign ON time Remote Controller RBC AMT21E 7 Check the displayed data comparing the content written down in 1 page 49 i If the data is incorrect change it with TIME 4 J buttons to the data of the memo and then press Indication on the LCD shows normal operation ii No operation is required for the same data 8 Change DN with TEMP C a J C vw but
29. Discharge port Suction port 30 Pipe port from left Knockout hole Pipe port from right Knockout hole Pipe port from lower side 5 56 Knockout hole Position of installation plate B Liquid Side Gas Side ous 53 or more 53 or more e oer ove E WT Space required for service 55 or more f use central control keep 200mm or more to maintenaice 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3 1 Hi Wall type RAV SM561KRT E SM801KRT E Air heat exchanger Model Outer diameter of refrig erant pipe TC sensor RAV SM Gas side Liquid side B 561KRT E 12 7 mm 6 4 mm 801KRT E 15 9 mm 9 5 mm Refrigerant pipe Refrigerant pipe 2 1 at gas side at liquid side Outer dia Outer dia __________________________ Packed valve ____________ so Ps Outer dia Outer dia lt Outdoor unit The refrigerating cycle differs according to the combined outdoor units For the cycle diagram cycle pressure etc refer to the following Service Manual RAV SMXXXOAT E A03 007 RAV SPXXXXAT E A03 014 D NOTE RAV SMXXX1AT E 05 001 Cooling Heating Se 4 WIRING DIAGRAM 4 1 Hi Wall type Indo
30. Level vial Opposite side 4mm 2 Tome wrench 7 Screwdriver 11 Tape measure ey Pipe gutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 12 6 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment 5 ET 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 Fils h fth Keep the status as it is for 1 to 2 minutes and ensure that the compound gauge s pointer does not return adapter am Set the refrigerant cylinder to the electronic balance E fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides 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 exce
31. Outdoor unit fan lock 4 Check outdoor unit board P26 Inverter overcurrent protection OFF Indicated when an 1 Operation stops soon when restarted circuit activated short time error is detected Compressor partial short circuit Main circuit short voltage operation 2 Check IPDU for improper wiring P29 Failure of IPDU position detect OFF Indicated when an 1 The circuit is activated even after circuit error is detected compressor s 3P connector is disconnected Replace IPDU F04 Improper mounting disconnection OFF Indicated when an 1 Check TD or short circuit of outdoor unit temp error is detected 2 Check outdoor unit CDB board sensor TD FO6 Improper mounting disconnection OFF Indicated when an 1 Check TE TS or short circuit of outdoor unit temp error is detected 2 Check outdoor unit CDB board sensor TE TS F08 Improper mounting disconnection Operation Indicated when an 1 Check TO or short circuit of outdoor unit continued error is detected 2 Check outdoor unit board outside air temp sensor TO 1 ROA P is not detected by 1HS models Fan continues rotating in a failure mode detected by outdoor unit because there is no communication between outdoor unit and follower indoor unit in twin group 34 Troubleshooting Continued 2 Troubleshooting by Remote Controller Check Indication Main Remote Controller RBC AMT31E 1 Checking When an error occurs in the air cond
32. Specifications NO Item Overview of specifications Remarks 1 Control at 1 Identification of outdoor unit The PREPARING lamp power on reset Identifies outdoor unit at power on reset and switches control according to the identification result 2 Setting of indoor unit fan speed and adjustment of air flow direction Switches indoor unit fan speed setting of air flow direction adjustment etc based on EEPROM data lights during initial setting model recognition after power on reset Fan speed adjustment of air flow direction control COOL DRY HEAT AUTO Wired type 18 29 118 29118 29 Wireless type 17 30 17 30 17 30 When use of remote controller sensor is set with DN32 even when sensor value is within the above range in HEAT or AUTO mode the thermo sensor turns OFF when Ta sensor value exceeds 35 C 2 Operation mode 1 Switches operation mode according to mode select instruction switching from remote controller R C instructions Outline of control OFF Turns OFF air conditioner FAN Fan only operation COOL Cooling operation DRY Dehumidifying operation HEAT Heating operation AUTO Selects COOL or HEAT mode Ta Room temperature automatically according to Ta Ts and To Ts Set temperature The first operation is as follows according To Outside air temperature to Ta COOL thermo sensor con
33. T69424 43769427 43709344 FUSE E PARTS BASE PC BOARD DISPLAY UNIT CORD CLAMP 77 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
34. TO S H FILE NO SVM 05034 1 SERVICE MANUAL AIR CONDITIONER HI WALL TYPE INDOOR UNIT RAV SM561KRT E RAV SM801KRT E HFC CONTENTS 1 SPECIFICATIONS Siete taut t nd tea E EXE ant EH DEAE neem 2 2 CONSTRUCTIONVIEWS EXTERNAL VIEWS 4 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 5 4 WIRING DIAGRAM secession een won td gd 6 5 SPECIFICATIONS OF ELECTRICAL PARTS 7 6 REFRIGERANT R410A eta pt rU rcu auae epe aa 8 A INDOOR UNIT CONTROL aue Pen oc er ce Pre 16 B TROUBLESHOOTING ier EE REFER EHE ERU ARE ERE eee 27 9 HOW TO REPLACEMENT OF SERVICE INDOOR BOARD 50 10 SETUP AT LOCAL SITE AND OTHERS ket eec 54 11 ADDRESS SETUP eco 71 12 EXPLODED VIEWS AND PARTS LIST ipti rn oce ta p e PR ias 76 This Service Manual describes explanation for the Under Ceiling type indoor unit For the combined outdoor unit refer to the following Service Manual Outdoor unit Model name SVM to be referred RAV SMXX0A T E A03 007 RAV SPXXXAT E A03 014 RAV SMXX1AT E A05 001 1 1 High Wall Type IndoorUnit Model name 1 SPECIFICATIONS RAV SM561KRT E RAV SM801KRT E Standard capacity Note 1 Cooling Heating Average Cooling Heating 5 1 1 5 5 6 5 6 1 5 6 3 6 7 2 2 8 0
35. c b Precheck The following operations are normal 1 Compressor does not work s 3 minute delay operation functioning for 3 minutes after compressor OFF s thermo sensor OFF s FAN mode or TIMER mode operation going s water overflow alarm detected s high outside air temperature operation control working during heating 2 Indoor unit fan does not work s cool air prevention control working during heating 3 Outdoor unit fan does not work or its fan speed changes s high temp release operation control working during heating s low outside air temperature operation control working during cooling s defrosting operation going 4 Operation ON OFF by remote controller is disabled s any remote controller or external control working s auto address setting in progress At t he first power on or when indoor unit address is changed operation control is disabled for about 5 minutes after power on Are all cables wiring set in the initial state 8 Are indoor unit and remote controller connected correctly 2 Troubleshooting procedure When an error occurs check the unit in the following procedure Error Check indication of check code faulty location and parts Note Other than the check items in the table malfunction or wrong diagnosis of microcomputer due to effect of power or external noise is considered If there is any source of noise sh
36. d leave its end open with insulation processing Make one point grounding at the indoor unit side Set the terminating resistors Central control for custom indoor units only Joint shield wire between indoor units by closed end terminating t Leave the end of the shield wire open with insulation processing Central controller 3 Make one point grounding at the indoor unit side U1 U2 Outdoor 7 TCC LINK adapter unit option Required for custom Central control indoor units other wiring than wall type Ground terminal Group operation Triple operation 64 ON SITE SETTING AND OTHERS Continued 3 1 5 Setting Onboard Switches Setting of terminating resistors is necessary for central control of custom indoor units only e Use SW01 to set terminating resistors Set terminating resistors for the indoor unit only with the smallest refrigerant line address Central controller Central controller uv uajua i Refrigerant system 2 1 indoor units other than wall type V Central controller Up to 10 units Refrigerant system 3 Refrigerant system 4 m Wires between 1 0 and O U 200VAC serial 0 Central control wiring E Connect No 1 and 2 only pe NT Header Follower Follower Praia ABL AJB ri AJB TCC LINK adapter option Requi
37. e setting data displayed 6 Repeat step 5 in the same way and write down the important setting data shown in the table page 49 DN Q Ab DN does not always shift sequentially 7 After writing down setting data press to return the operation mode to normal OFF It takes about one minute until R C operation is enabled Essential DN codes 1 Indoor unit capacity is necessary for fan speed setting DN Description 2 If refrigerant line address indoor unit address or group 11 Indoor unit capacity address differs from that before replacement the unit enters 12 Refrigerant line address auto address setting mode which requires manual re setting 13 Indoor unit address for group operation including twin or triple operation 14 Group address 2 Replacing Service Board and Power ON 1 Replace the board with a service board Reflect the jumper wire cut setting and switch setting on the board in the service board For switch setting and component layout see page 53 2 Power ON the indoor unit in either way of the following according to system configuration a Single individual operation Power ON the indoor unit with no operation i Go to when auto address setting mode ends about 5 minutes Refrigerant line address 1 indoor unit address 1 and group address 0 are set automatically ii Press cL and on the R C simultaneously for 4 seconds or mo
38. ed for one minute unless different fan speed is selected by instruction At the beginning of heating a rising gradient higher fan speed is selected When the temperature difference between Ta and Ts is ona threshold line fan speed does not change Auto heating Fan speed is switched to a higher level when Tc reaches 60 C Wireless type allows HH H H L L and AUTO HE HH TH qo TH m TL TL Tc Indoor unit heat exchange sensor temp 19 Item Overview of specifications Remarks COOL HEAT AP40 56 6 AP71 80 HH 1220 1360 1480 HH 1180 1300 1340 1140 1240 1320 H 1120 1200 1300 H 1060 1120 1200 L 1060 1120 1200 L L 990 1020 1100 L 940 970 1040 UL UL 500 500 500 3 When thermo sensor turns OFF during heating the fan speed HEAT PREPARING mode becomes UL weak indication 4 When Ta is 25 C or above at the beginning of HEAT operation or when canceling defrost mode H or HH mode continues for one minute from the time when Tc enters zone E shown in the figure in No 7 below 5 The HH fan speed for auto cooling heating is set to a speed higher than that for normal cooling heating However it varies depending on the temperature difference of Tc during auto heating Tc C 47 42 HH Cool air prevention 1 Performs indoor
39. eding 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 refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury OUTDOOR unit Refrigerant cylinder With siphon pipe Check valve Open Close valve for charging Service port Electronic balance for refrigerant charging Fig 6 4 1 Configuration of refrigerant charging 13 Be sure to make setting so that liquid can be charged 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 cylinder Electronic balance OUTDOOR unit R410A refrigerant is HFC mixed refrigerant Therefore if itis charged with gas the composi tion of the charged refrigeran
40. efrigerant line address and serial interface with O U and performs thermo operation in synchronization with the main unit Sends self thermo ON OFF request to the main unit Example 1 1 main unit communicates with 1 2 and 1 3 sub units without being affected by indoor units with refrigerant line address 2 or 3 72 2 Examples of Auto Address Setting from No Address Setting 1 Standard one outdoor unit a Single b Twin c Double twin H M Turn ON the power Address setting is completed automatically 2 Group operation multiple O U multiple indoor units with serial communication interface no twin 8 indoor units maximum Turn ON the power Address setting is completed automatically 3 Multiple group operation A single B triple C double Address change required Change sub unit addresses at the same time manually from remote controller Header indoor unit F Follower indoor unit M Main indoor unit S Sub indoor unit 73 3 Address Setting When determining indoor unit addresses with wiring completed without piping construction Wiring example of 2 refrigerant systems Solid line wiring broken line refrigerant piping line address Power cable only Power cable only Refrigerant line address 1 Manual setting by remote controller Address setting procedure Connect a remote controller to the indoor un
41. efrosting repeat steps from step above Once forcible defrosting is performed the above setting for forcible defrosting is reset 1 3 Indication of Onboard LEDs 1 002 red Lights up by control of main microcomputer when the indoor unit is powered on Blinks at intervals of one second 0 5 second on and off when EEPROM is not mounted or write error Occurs Blinks at intervals of 10 seconds 5 second on and off in the DISP mode CN72 short circuited at power on Blinks at intervals of 2 seconds 1 second on and off Applicable unit in the EEPROM setting address function selection etc mode 2 D203 red Lights up by hardware control when power is supplied to remote controller 55 1 4 JRA Capacity Measurement Mode wired R C only Preliminary operation TEST SET e Press and at the same time for 4 seconds or more in the OFF mode In the group control mode the header unit number is displayed first Each pressing of indicates indoor unit number the group sequentially Choose the main indoor unit connected to the outdoor unit for which this control is to be performed The fan and flap of the selected indoor unit start working Specify DN 91 with 55 buttons TIME o Set the following data with c buttons Factory setting 0000 Data Rating 0001 Middle 0002 Press C Indication on the LCD shows normal operation
42. er R C wire connection New code detected by R C Failure of I U power supply Failure of I U board lnvalid R C address setting Failure of R C board Are R C wires A B correct NO Correct R C wires YES Improper harness connection from 1 0 terminal block YES Correct connector connection Check circuit wiring NO Group control NO operation Are all indoor it d ON Check I U power connection units powere 7 power off and on YES Is R C powered ON A B terminals Approx 18VDC Check I U boards Replace defective board YES Is no header set by double R C YES Correct one header one follower R C address connector NO Check R C board Replace it if necessary 37 E02 R C transmission error Signal transmission to indoor unit is New code disabled Not indicated on the central controller and outdoor unit 7 segment Com cable between R C and 1 0 connected properly YES Failure of R C transmitter Replace R C E03 R C communication error No communication from R C and communication adapter New code detected by I U Correct communication cable Indoor unit I U detects this error when it cannot receive signals from remote controller R C Check communication wiring of R C A and B This code E03 is not displayed on the R C because of communication error This code is displayed on the T
43. eration Wired remote controller Press on the R C for 4 seconds When TRIAL OPERATION appears on the LCD press 95 TRIAL OPERATION appears on the LCD during trial operation Trial operation disables temperature control but allows fan speed control An instruction of fixed frequency is issued for cooling and heating of trial operation Alarm detection is performed as usual The trial operation mode must be used for its original purpose only because it stresses the air conditioner Choose COOL or HEAT mode only for trial operation Note Outdoor unit does not run about 3 minutes after power on or operation stop Repress after trial operation and confirm that TRIAL OPERATION disappears from the LCD Wired remote controller has 60 minute timer reset function to prevent continuous trial operation Wireless remote controller Power ON the unit No operation mode is available for about 5 minutes from the first power on after installation or for one minute from the second or later power on Perform trial operation after this time passes Press ON OFF on the R C chose COOL or HEAT with MODE button and then choose HH with FAN button For COOL trial operation set 18 C with TEMP button For HEAT trial operation set 30 C with TEMP button For COOL trial operation set 19 C with TEMP button upon hearing a reception sound For HEAT trial operation set 29 C with TEMP butto
44. erence piping The reference piping consists of 3 m of main piping and 2 m of branch piping connected with 0 meter height Note 2 The sound level is measured in an anechoic chamber in accordance with JIS B8616 Normally the values measured in the actual operating environment become larger than the indicated values due to the effects of external sound Note Rated conditions Cooling Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 DB Heating Indoor air temperature 20 DB Outdoor air temperature 7 C DB 6 C WB 2 Operation characteristic curve Cooling Heating V juano RAV SM561KRT E o c 5 c Conditions 80 90 100 Outdoor DB7 C WB6 C 60 Indoor DB20 C Air flow High Pipe length 7 5m 230V 40 Compressor speed rps 100 ndoor DB27 C WB19 C 60 70 80 Outdoor DB35 C 40 Compressor speed rps Capacity variation ratioaccor ding to temperature Cooling Heating 105 oneJ D I 2 9 i o oo OO Ec C Indoor DB27 C WB19 Pipe length 7 5m Pipe length 7 5m 37 38 39 40 41 42 43 36 Outsoor temp C Outsoor temp C 2 CONSTRUCTION VIEWS EXTERNAL VIEWS High Wall Type RAV SM561KRT E RAV SM801KRT E EY t ini d 51
45. f Indoor Unit The non volatile EEPROM IC10 on the board of indoor unit stores important data such as model specific type and capacity code written during factory shipping as well as system indoor unit group addresses set automatically manually written during installation Therefore observe the following procedure when replacing indoor unit service boards After installation of indoor unit check whether the settings are correct by checking indoor unit number and group header follower unit setting and also check cycle through a trial operation Replacement Procedures Case 1 When it is possible to power ON indoor unit before replacement and when wired R C can read settings Reading EEPROM Data 1 see page 51 Replacing Service Board and Power ON 2 see page 51 X Writing Setting Data in EEPROM 3 see page 52 S7 Power ON reset for all indoor units connected to R C in group control mode Case 2 When it is impossible to power ON indoor unit before replacement or when wired R C is disabled due to failure of power supply circuit board failure Replacing EEPROM For layout of components and replacement see page 49 Remove the EEPROM on the board and replace it with the EEPROM on the service board Q Replacing Service Board and Power ON 2 see page 51 Q Reading EEPROM Data 1 see page 51 If data cannot be read go to Case 3 Replacing EEPROM For layout of components and replacement see page 49
46. face tension the brazing filler adheres better to the treated metal 2 Characteristics required for flux 1 Activated temperature of flux coincides with the brazing temperature 2 Due to a wide effective temperature range flux is hard to carbonize 3 It is easy to remove slag after brazing 4 The corrosive action to the treated metal and brazing filler is minimum 5 It excels in coating performance and is harm less to the human 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 Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C 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 braz ing filler flux Piping Used brazing material filler Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains wi
47. 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 new equipment new equipment tional equipment can be used with for RA10A can be used conventional refrigerant Flare tool Pipe flaring Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Torque wrench Connection of flare nut Gauge manifold Evacuating refrigerant Charge hose charge run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 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 Note 2 Charging cylinder for R410A is being currently developed 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 1 Vacuum pump 4 Reamer 9 Hole core drill 265 Use vacuum pump by 5 Pipe bender 10 Hexagon wrench attaching vacuum pump adapter 6
48. h the following shift range Cooling 1 5 to 1 0K Heating 1 5 to 1 0K 16 Maximum 1 This control is performed when AUTO mode is selected frequency limit control 2 COOL mode When To is under 28 C the control is as follows 4 em Tsc Normal control Maximum frequency is limited to the rating of cooling 3 HEAT mode When To is over 15 C the control is as follows Ta C Tsh Maximum frequency is limited 3 dS rating of heating d Normal control 24 INDOOR UNIT CONTROL CIRCUIT Continued 7 3 P C Board of Indoor Unit MCC 1510 Microcomputer TC sensor TCJ sensor run LED EEPROM Indoor unit outdoor unit wire CN101 DC5V CN102 DC5V D02 IC10 CN67 AC200V HA T10 i CN61 DC12V Optional power supply CN309 AC200V Option output CN60 DC12V CHK CN71 DC5V DISP CN72 DC5V Central control CN40 DC 5V External alarm input CN80 DC12V Terminating resistor EXCT CN73 xa provided not provided Remote controller A B R C power LED selection D203 SWO01 TA sensor CN104 DC5V Remote controller CN41 DC20V FAN DRIVE Louver DC fan input output Indication output wireless reception CN32 DC12V CN33 DC12V CN210 CN213 DC5V 25 qio401 Josues ouueui Jun 440 suan AO indui 19X4 semje 11045 uo
49. he selected indoor unit go to To change the item to be set go to y Press to return the operation mode to normal OFF 56 ON SITE SETTING AND OTHERS Continued Function Select Code DN Table DN Item Description Factory setting 01 Filter sign ON time 0000 None 0001 150H 0001 150H 0002 2500H 0003 5000H 0004 10000H 0005 Clogging sensor used 02 Filter contamination level 0000 Average 0001 Heavy 0000 Average half of standard time 03 Central control address 0001 No 1 0064 No 64 0099 Not determined 0099 Not determined 06 HEAT intake temp shift 0000 No shift 0001 1 C 0002 2 C 0002 2 C 0010 10 Up to 6 recommended OC PREPARING indication selection 0000 PREPARING indicated 0001 No indication 0000 PREPARING indicated OF COOL only 0000 Heat pump 0001 COOL only 0000 Heat pump No AUTO HEAT indication 10 Type 0000 Ceiling panel 1 0001 ceiling panel 4 0008 Wall type 0037 11 Indoor unit capacity 0000 Not determined 0001 0034 Depends on capacity type 12 Refrigerant line address 0001 No 1 0030 No 30 0099 Not determined 13 Indoor unit address 0001 No 1 0064 No 64 0099 Not determined 14 Group address 0000 Individual 0001 Group header 0099 Not determined 0002 Group follower Temp range at COOL HEAT auto 0000 Odeg 0010 10deg 0033 3deg Ts 1 5
50. her oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 6 2 7 Tightening torque of flare for RA10A Reference values Outer diameter mm Nominal diameter Tightening torque N m kgf cm 14 to 18 140 to 180 Tightening torque of torque wrenches available on the market N m kgf cm 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 11 65 650 6 3 Tools 6 3 1 RequiredTools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 812 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing 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 RA10A and for conventional refrigerant R22 The table below shows the tools exclusive for RA10A and their interchangeability Tools exclusive for R410A The following tools
51. ication error between OFF Indicated when 1 Check remote controller wiring header and follower indoor units auto reset error is detected 2 Check indoor unit power wiring 3 Check indoor unit boards 33 Failure mode detected by outdoor unit Representative codes The check code used varies depending on the combination with the outdoor unit Diagnosis function Jud t and acti Check code Possible causes Air conditioner status Conditions IMONE ANS ACHON H01 Compressor breakdown OFF Indicated when 1 Check power voltages 200 20 e Compressor stops due to error is detected 2 Freezing cycle overload operation operating frequency decrease 3 Check current detect circuit on the AC side H02 Compressor does not work OFF Indicated when an 1 Failure of compressor lock etc Overcurrent protection circuit is error is detected Replace the compressor activated after a certain time from 2 Improper compressor wiring phase loss compressor startup 3 Lost phase operation of power supply 3 phase models H03 Failure of current detect circuit OFF Indicated when an 1 Operation stops soon when restarted Large AC current even during error is detected Check IPDU compressor OFF 2 Lost phase operation of power supply Phase loss in power supply Check 3 phase power voltages and wiring H06 1 Low pressure switch ON OFF Indicated when an 1
52. ield the remote controller wiring Wireless Remote Controller Type 1 Before starting troubleshooting a Necessary tools measuring equipment Phillips screwdrivers flat blade screwdrivers wrenches pliers nipper etc Multimeter thermometer pressure gauge etc b Precheck The following operations are normal 1 Compressor does not work s 3 minute delay operation functioning for 3 minutes after compressor OFF s thermo sensor OFF s FAN mode or TIMER mode operation going s high outside air temperature operation control working during heating 2 Indoor unit fan does not work s cool air prevention control working during heating 27 3 Outdoor unit fan does not work or its fan speed changes s high temp release operation control working during heating s low outside air temperature operation control working during cooling s defrosting operation going 4 Operation ON OFF by remote controller is disabled s forcible operation OFF mode set s any remote controller or external control working s auto address setting in progress At the first power on or when indoor unit address is changed operation control is disabled for about 5 minutes after power on Q Are all cables wiring set in the initial state Are indoor unit and receiver unit connected correctly 2 Troubleshooting procedure When an error occurs check the unit in the following procedure Error
53. iewsue Buunp NO NO uonejedo indui uoniqiuo4d D H eui Aq 440 sejqesip sejqeu3 indui uonigiuoud 5 4 INOO AO indui Lor ndu 440 NO VH 440 NO LE NQ BY UO NAA peuuoped si 44O NO jndino AclOd OIO G Gaoo 9od om o9eo indjno uonejnueA 440 Asojoe4 8 O H NO Y O H HHO N a AJUO Jeuonipuoo Aq ueuw yun euo JO NO 20151891 ON 44O Humes 4 pepi o4d NO Jo1siseJ ON 440 g y LOMS 20451891 Bureuiuue uonduoseq 7 4 Optional Onboard Connector Specifications uoneouioedsg ON 410 198Uuu02 uonoun Jj 26 8 Troubleshooting 1 Guide to Troubleshooting Wired Remote Controller Type 1 Before starting troubleshooting a Necessary tools measuring equipment Phillips screwdrivers flat blade screwdrivers wrenches pliers nipper etc Multimeter thermometer pressure gauge et
54. it whose address you want to set one to one Turn ON the power Refrigerant Set code 12 with 2 2 Indoor unit address 1 1 2 T Group address 1 2 2 Indoor unit o address For systems like this example connect a wired remote controller independently without connecting R C wires and then set these addresses Group address Individual 0000 Header unit 0001 Follower unit 0002 in case of group control address FAN Cx TIMER SET Operation procedure 0 0 0 0 0 0 O0 0 0 0 0 74 Group gt SET Press 5 and on the R C simultaneously for 4 seconds or more V E TEMP buttons Set a refrigerant line address with a buttons v Press Indication on the LCD shows normal operation v Set code 3 with TIME Set indoor unit addresses with m buttons Press Indication on the LCD shows normal operation I TEMP Set code 4 with buttons TIME Set indoor unit addresses with buttons as follows Individual 20 0 follower 000 9 Press C5 Indication on the LCD shows normal operation y Press Indoor unit address setting is completed The operation mode returns to normal OFF I TEMP buttons header 0010 ADDRESS SETTING Continued llChecking location of indoor unit number 1 To find the address of indoor unit whose location
55. itch header follower header follower Option Option Option Option Tale i Connecting R C wires on site arrangement gt 2 EXE R C wiring on site arrangement R C wiring Tan een LH lj s R C wiring terminals 74 terminals ND ye EIE i al s 1123 Outdoor unit Outdoor unit Connecting inter indoor unit wires on site arrangement Setting This control is provided to control one or more indoor units by two remote controllers Up to 2 remote controllers can be installed 2 Remote controller back inside Wired remote controller Setting to use a wired remote controller as follower R C Change the setting of DIP switch on the back of R C switch to R C follower as shown in the figure 58 ON SITE SETTING AND OTHERS Continued 1 7 Monitoring Function of Remote Controller Switch Calling indication of sensor temperature Description Calls the service monitor mode from the remote controller to monitor sensor temperatures of the remote controller indoor units and outdoor unit Procedure Press and on the R C simultaneously for 4 seconds or more to call the service monitor mode Service monitor lights up and the header indoor unit number is displayed first and then temperature of code 52 is displayed E TEMP e Choose a
56. itioner a check code and an indoor unit number appear on the LCD of remote controller Check code is displayed only during operation If indication disappears check errors following Checking Error Log below Faulty indoor unit Check code No 2 Checking Error Log When an error occurs in the air conditioner error log can be checked following the steps below Up to 4 errors are memorized Error log can be checked in both operation ON and OFF states Step Operation Press SET and TEST at the same time for 4 seconds or more The LCD indication changes as shown below Indication of SERVICE CHECK shows that the unit is in the error log mode Code No 01 order of error log is displayed A check code is displayed The address of faulty indoor unit is displayed in the UNIT No area Each pressing of TEMP A V buttons displays stored error log sequentially Check code 01 shows the latest error and 04 shows the oldest Do not press CL as this button clears entire error log of indoor unit After checking the error log press TEST to return to the normal indication CODE No NT N zr Sie yl z Ut No C 5 ON OFF FAN SWING FIX UNIT Numbers appearing on the LCD lt Seven segment display gt Hexadecimal number TCC LINK Central Control Remote Controller TCB SC642TLE 1 Checking When an error occurs in
57. l If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 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 lt 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 discol ored 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 pressure higher than when using R22 it is necessary to choose adequate material
58. lower indoor units or between twin header and follower indoor units E04 Wrong connection or poor contact between indoor unit and OPERATION TIMER PREPARING outdoor unit WV Communication error between indoor and outdoor units Blinking P12 Failure of indoor unit DC fan Protection device of indoor unit is OPERATION TIMER PREPARING activated N e O Q L 4 Alternate blinking 28 Troubleshooting Continued Outline of judgment Contenued Lamp indication Check code Possible causes Abnormal outdoor unit discharge Protection device P04 temperature of outdoor unit is Outdoor unit high pressure system error activated OPERATION TIMER PREPARING xiy ii y P19 Four way valve system error judged by indoor unit Q Xo P22 Outdoor unit Malfunction of fan 26 Outdoor unit Inverter Idc activated os dou d Alternate blinking Outdoor unit Position detect error unit Is activated P31 Header and follower indoor units in the group are not running due to the following alarm Alarm code E03 L03 L07 L08 OPERATION TIMER PREPARING F01 Heat exchange sensor TCJ error sof XY e 202 Heat exchange sensor TC error Indoor unit sensor error CN OTs F10 Room temperature sensor TA error L Alternate blinking OPERATION TIMER PREPARING F04 Discharge temperature sensor TD error
59. m Overview of specifications Remarks 14 Central control 1 The scope of operation by remote controller on the indoor unit mode switching side can be switched by the setting of remote controller 2 Scope of operation by remote controller on the indoor unit side Individual All settings and ON OFF operations are available No indication Central 1 ON OFF operations are disabled CENTRAL CONTROL lamp ON Central 2 ON OFF operations operation mode selection and CENTRAL CONTROL temperature setting are disabled lamp ON Central 3 Operation mode selection and temperature setting CENTRAL CONTROL are disabled lamp ON Central 4 Operation mode selection is disabled CENTRAL CONTROL lamp ON When wired remote controller is not used operation range is the same as above though lamp indication remains unchanged If an unavailable operation mode is transmitted from wireless remote controller it is indicated with a reception sound pi pi pi pi pi 15 Power saving 1 Power saving operation is available in the AUTO mode control 2 The set temperature is corrected using various sensor data within the range where comfort is maintained 3 By using various sensor data including room temp Ta outside air temp To fan speed and indoor unit heat exchange sensor temp Tc 20 minute data is averaged to calculate a set temperature correction value 4 The set temperature is corrected every 20 minutes wit
60. m a follower indoor unit operation does not change with a reception sound pi pi pi if operation mode differs between header unit and follower unit Louver angle 0 full close Full close Alarm code number except F08 and L31 appears on the remote controller and the indoor unit stops 22 INDOOR UNIT CONTROL CIRCUIT Continued Item Overview of specifications Remarks 12 HA control 1 When connected to a remote control system tele control or A connector separately remote on off interface operation ON OFF can be controlled by available is required NO the HA signal input when using the HA 2 Outputs operation ON OFF status to the HA output terminal terminal CH61 for remote 3 HA signal input output specifications conform to the JEMA ON OFF control standard When group operation is in use connect the connector to either header or follower indoor unit 13 Filter sign 1 Transmits filter replacement signal to remote controller for FILTER lamp ON indication indication on the LCD when accumulated operation hours of unavailable for wireless type indoor unit fan exceeds the specified time 150 hours 2 Clears accumulation timer upon receiving the filter reset signal from remote controller At this time when the specified time has already passed the accumulated time is reset and the filter sign disappears from the LCD 23 NO Ite
61. n upon hearing a reception sound pi 5 For COOL trial operation set 18 C with TEMP button upon hearing a reception sound For HEAT trial operation set 30 C with TEMP button upon hearing a reception sound pi Repeat steps 4 5 5 About 10 seconds after the green OPERATION lamp green TIMER lamp and yellow PREPARING lamp blink and operation starts If any lamp does not blink perform operation again from step 2 When the trial operation ends press ON OFF to stop operation Outline of trial operation using wireless R C gt COOL trial operation Press ON OFF 18 C 19 C 18 C 19 C 18 C 19 2 18 C 5 trial operation press ON OFF HEAT trial operation Press ON OFF 30 C 29 C 30 29 C 30 C 29 C 30 C 5 trial operation press ON OFF Checking wiring and piping of indoor outdoor units 1 Open the front panel of the indoor unit 2 Press TEMPORARY button for 10 seconds The unit enters forcible cooling mode with a sound pi COOL operation starts forcibly about 3 minutes later Check whether cool air is discharged If COOL operation does not start recheck the wiring 3 Repress TEMPORARY for about one second to stop trial operation The vertical airflow flap closes and the operation stops Checking signal transmission from R C 1 Press ON OFF on the R C to check for normal operation using R C To enter AUTO mode
62. ner which is designed to operate with R410A If other refrigerant than R410A is mixed pres sure in the refrigeration cycle becomes abnor mally high and it may cause personal injury etc by a rupture 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 condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully 99 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 leve
63. no Jaye Op UMNI 1045 e LOH x Q pe1oe1ep s OL JO 1Ino1I0 140US JO ueuM 10119 OL JOSUaS amp episino jo0pinQ 804 S 5 1 31 JO 0 5 JO ueuM 1 31 10sues dwa yun 904 S AL JO 1095 10 ueuM 11 10sues 1 1eeu 100pinQ Q 9 8 Aq pexoeuo s rejeq yeoIdAL snoauelnwis 1950 Buug HINL pue uogejedo omy Seunjrej jo uonduoseg uoneoo uomneoipul 291 due epoo yoeUD 100pino Aq 5 UIEN snoeuejnuuis 371 Ajayeusaye SGA eyeujey v 440 e NO Q 32 Troubleshooting Continued Check Code Table Failure mode detected by indoor unit Diagnosis function Judgment and action Check code Pos
64. ntion control is performed However zone J entering control temperature is changed from 2 to 5 Conditions The following 1 or 2 becomes true after 5 minutes pass from operation start TenSTc n 1 5 Ten Tc n 1 1 and TenSTa 5 C Tcj Indoor unit heat exchange sensor temp Ten Tc after 5 minutes from operation start Tc n 1 Tc at operation start High temp release control 1 Performs the following operation control in the HEAT mode according to the Tc or Tcj sensor detect temperature When zone M is detected the specified operating frequency is decreased from the actual operating frequency and the specified operating frequency is changed every 30 seconds in zone M The specified operating frequency is maintained in zone N When zone L is detected the specified operating frequency is returned by approx 6 Hz every 60 seconds Factory setting o 4 Control temp M A B 56 54 52 52 M L Note At the beginning of operation or when Tcj lowers below 30 C after operation start values 54 and 52 in the table are used as control temperature This control is disabled for twin follower indoor units Even when the thermo is set to OFF the control is implemented in the same way 10 Residual heat removal Runs indoor unit fan in L low mode for about 30 seconds after HEAT operation st
65. odels 3 This is an error related to communication of remote controller A B or central control system TCC LINK U3 U4 Remote controller indicates E01 E02 E03 209 E18 no code according to situation 30 Troubleshooting Continued Check Code Table Indoor Unit iun 5 Aq sepoo xoeuo jou seop siu 1 jeuonipuoo JOU Aq sepoo yOeUD eUJes eui si 1u9 uoo S JI sJoule sjoejep uoIuM jun eui uo sesto epoo YOSUD Sjreyop pue oN Hun Jeuuouqe si dnoJ5 e oqe ON uueje uo spuedeq jeuuouge s uo L3N IV MNIT 991 40 jueuudinbe e1eue pejoeuuoo v 6101 4 1 1ueuudinbe 219 pajqesip s uorssiusuei ueuM Jojuoo eue 902 16016801 pesn 51 O Y ueuw L3N IV eje uoneolpul oN 8194 UBYM 10 pe qesip s jo uoissiusueJ ueuM 551
66. omneorunuJuJoo peas JOOP Joopu O Q o ueis s ou peus 2 H un Joopu e Q 198 9NIHVd3dd HAIL pue uogejedo ony seinjrej jo uonduoseq uoneoo Ane uomeoipul 104409 E3089 YNIT OOL uoneJedo dure epoo Aq peioeieq snoeueynuuis 031 snoeueynuis Ajereujeye yuq 5037 440 Q no 31 Check Code Table Outdoor Unit eui ees s rejep 104 ewy Ayer eoid sepoo xoeuo BU e10N si uonisod 1 55 1 uonisog s 1991 21 S 9JA P N19 PAUP 10sseJduJoo JO 11045 ueuM Op JeueAu 9 x x SI
67. on between R C and follower 1 0 It does not mean an indoor unit that communicates with O U Operation mode and setting temperature range except flap air flow control of header unit are reflected on the LCD of remote controller Indoor units except header unit in group operation It does not control communication with remote controller in principle except response to alarm service data request In a minimal configuration of refrigerant cycle such as twin triple or double twin an indoor unit which communicates with O U among those with same refrigerant line address Communicates with sub indoor units and with O U instructions to compressor on behalf of cycle control Indoor units except the main indoor unit in a twin triple or double twin system Communicates with the main indoor unit with the same refrigerant line address and provides control in synchronization with the main indoor unit It does not communicate with O U no detection of serial signal alarm 1 System Configuration a Single Outdoor unit b Twin triple double twin Header indoor unit F Follower indoor unit M Main indoor unit S Sub indoor unit Main indoor unit Receives data thermo status etc from sub indoor units with same refrigerant line address and controls O U compressor referring to the self thermo status Transmits this instruction to sub units e Sub indoor unit Receives data from the main indoor unit with same r
68. oners to the TCC LINK central control system for central control monitoring addresses of connected indoor units must be set in the following procedure Connections wiring completed System power ON Auto address setting eeeeeeeee system performs automatically after power on Manual setting change of refrigerant line addresses eeeeee Change refrigerant line address If auto address setting failed set refrigerant line address manually Refer to ADDRESS SETTING Is group control including twin triple double twin going NO Are all indoor units with central control function header unit group address 1 YES Re set indoor units with central control function to header unit and other indoor units to follower unit Refer to ADDRESS SETTING Central control address number setting Refer to the manual of the central control system 67 1 Manual setting change of indoor unit refrigerant line addresses In the case of 29 refrigerant systems or less when multiple air conditioners are included their number of refrigerant systems is also included Refrigerant address 1 is assigned to all indoor units except for group control by the auto address setting after system power on Therefore change refrigerant line address of each refrigerant system using the wired remote controller Central controller 1 1 Refrigerant Refrigerant Refrige
69. ops to remove residual heat 21 NO Item Overview of specifications Remarks 11 Flap control 1 During the first operation after power on flap position is controlled automatically according to operation mode COOL HEAT Cooling Heating 2 When louver position is controlled by remote controller the unit s microcomputer memorizes the position for use in the next operation The memorized louver position is cleared when power is turned off and returns to the state of 1 above 3 Flap position setting Flap position can be set within the range below COOL DRY HEAT FAN NS We Flap position can be set collectively or individually in the group twin or triple operation mode Wireless remote controller allows individual setting only 4 Swing setting Flap moves within the range below All operation modes NJ Flap swing range can be set collectively or individually in the group twin or triple operation mode Setting by wireless remote controller is disabled when the main remote controller is used 5b When air conditioner operation stops flap closes automatically It keeps its position in the event of an alarm 6 Flap tilts upward automatically during preparation for heating 7 In the twin or triple operation mode selected by wireless remote controller swing setting interlocks with the header indoor unit If this setting is transmitted fro
70. or unit RAV SM561KRT E SM801KRT E 70 D nnnnf ii l m 7 T 1000000 mn mieu 88 77 nnnnn WERD REMOTE 0010 00000 CONTROLLER if Control P C board ren p jy LU 10110 EX BB T iX 43 5 cd 2858 ooo Ju c a DX T MS O Aiia RH p E Ono 4 ls 0000 ERR 2 for indoor unit 000 000 CUT 000000 i HA RED BLK Color Indoor unit Identification NOTE earth screw Tp CRM BLK BLACK FM Fan motor N BLU BLUE TA Indoor temp sensor bern RED RED TC Temp sensor earth screw GRY GRAY TCJ Temp sensor PNK PINK ase 220V 50Hz GRN GREEN LM Louver motor WHI WHITE BRW BROWN ORN ORANGE YEL YELLOW 5 SPECIFICATIONS OF ELECTRICAL PARTS 5 1 Indoor Unit High Wall Type RAV SM561KRT E RAV SM801KRT E No Parts name Type
71. ormally Check external device Replace it if necessary Check possible error causes 44 Troubleshooting Continued P12 Malfunction of I U fan motor Failure of fan motor connector New code Q Failure of fan motor 8 Failure of I U board Failure of cross flow fan shaft Turn OFF the breaker Turn it ON 10 seconds after Is min 1VDC present between CN210 pin amp 20 Does fan stop with NO operation OFF Replace fan motor Start cooling with LOW fan speed Does fan rotate Change fan speed to HH Is min 280VDC present between CN210 pin Gand 20 Stop operation and turn OFF Is min 15VDC present between CN240 pin breaker Disconnect CN210 and QO with turn ON breaker again and motor connected then stop operation using R C Is min 280VDC present No between CN210 pin and 3 EN Operate 1 0 except heating by RIC lem Stopgperaton and unplug cord Disconnec 1VDC present between CN210 plug in AC cable CN210 C and again and then stop Measure within operation using R C 15 seconds Replace I U MCC 1510 board Operate 1 0 except heating by R C Is min 1VDC present between CN210 pin 5 and Measure within Does fan speed increase YES Does cross flow fan rotate normally by hand Rotate the fan b
72. perated by R C individually NO Are U3 U4 com cables normal Correct com cable Check wrong connection disconnection and shield wire s contact with com cable When a unit connected to U3 U4 is in a group is it set to header unit Set the connected unit to header unit Free from noise Remove noise source Can other units controlled by central R C Is I U operating status reflected Check central controller Replace it if necessary Confirm normal connection of com cable Change connector Is the code C05 Is I U onboard fuse FO3 normal connection CN40 to CN44 EMG on I U board Check I U boards Replace defective board YES 48 Troubleshooting Continued Relationship Between Temperature Sensor Resistance and Temperature 20 Characteristic 1 40 Characteristic 2 Sensor TA Sensor TC TCJ Resistance 30 ko Resistance ko 10 20 10 0 10 20 30 40 50 10 0 10 20 30 40 50 60 70 Temperature Temperature C 200 Characteristic 3 20 Sensor TE TO TS Resistance Resistance ko ko 10 or lower 10 or higher 100 10 20 30 40 50 60 70 Temperature Characteristic 4 Sensor TD 200 Resistance ko 50 or lower Resistance kQ 50 C or lower 100 Temperature 49 9 HOW TO REPLACE SERVICE BOARD OF INDOOR UNIT Requirements When Replacing Service Board o
73. press TEMPORARY once for about one second For forcible cooling press TEMPORARY for 10 seconds or more COOL operation specified by R C may not start depending on temperature conditions Use forcible cooling operation to check wiring and ERN piping of indoor outdoor units button 54 ON SITE SETTING AND OTHERS Continued 1 2 Forcible Defrost Setting by Remote Controller wired R C only Preliminary operation Press 5 6 and amp at the same time for 4 seconds or more in the OFF mode In the group control mode the header unit number is displayed first e Each pressing of indicates indoor unit number in the group sequentially Choose the main indoor unit connected to the outdoor unit for which forcible defrosting is to be performed The fan and flap of the selected indoor unit start working Specify DN 8 with buttons Set data 0001 with buttons Factory setting 0000 9 Press Indication on the LCD shows normal operation Press to return the operation mode to normal OFF Execution procedure b ON OFF e Press on the R C Choose HEAT operation mode After a while a forcible defrosting signal is transmitted to the outdoor unit Upon receiving the signal the outdoor unit starts defrosting It takes up to 12 minutes On completion of defrosting the indoor unit restart HEAT operation To reexecute d
74. r and one or more follower units in a group 3 minutes passed Auto address start System start About one minute to end Initial communication Notes on trial operation Check for normal connections of power O U model identification 10 seconds I U cable l U O U serial wiring and group wiring Twin header follower unit identification I U Power ON all indoor units within 3 minutes Group configuration flap information R C R C operation available time after power on 1 When address is correct Approx 50 seconds 2 When auto address is used Approx 4 5 minutes Periodic communication Between indoor units 30 second cycle Header follower Within same piping 30 second cycle Twin main sub Repeated Communication starts as soon as above status changes The indoor unit powered on after auto address judgment under group control is rebooted system reset unless it does not receive data from the header unit or periodic communication within same piping within 120 seconds after power on The sequence restarts from auto address judgment checking group configuration f the previous address fixed and the header unit is powered on and is rebooted the refrigerant line address of indoor units remains unchanged but the header unit address may change 62 ON SITE SETTING AND OTHERS Continued 3 Connections for Central Control 3 1 Connections for TCC LINK Central Con
75. r unit Auto address setting ends within 4 to 5 minutes Connect com cable between R C and I U temporarily one to one Power ON outdoor unit Set address for each 1 0 individually Corrected to an address group manually after address setting Unless the following addresses are stored in the EEPROM IC10 on the indoor unit board trial operation is disabled Undefined data is stored at factory shipping Code Factory setting data Setting data range Refrigerant line address 12 0099 0001 unit No 1 to 0030 unit No 30 Indoor unit address 13 0099 0001 unit No 1 to 0064 unit No 64 Maximum I U address in the same refrigerant system double twin 4 Group address 14 0099 0000 Individual indoor units without group control 0001 Header one indoor unit in the group 0002 Follower indoor units in the group except header unit 71 2 Address Setting Definition of terms Indoor unit No Group address Header indoor unit 21 Follower indoor unit 22 Main unit Representative Twin header Sub indoor unit Sub unit Twin follower and Group Twin Triple Control N n O U refrigerant line address N 30 max I U address n 64 max O Individual without group control 1 Header unit under group control 2 Follower units under group control A representative unit of multiple indoor units in group operation which performs communicati
76. rant Refrigerant Refrigerant system 1 system 2 system 3 system 4 1 system 5 Refrigerant line address Indoor unit address An example after auto address setting Group address Refrigerant line address After changing refrigerant line address manually Group address For changing setting refrigerant line addresses by wired remote controller refer to ADDRESS SETTING Refrigerant line address must be unique for each refrigerant system To perform central control in combination of multiple and custom air conditioners set refrigerant line addresses different from those of multiple air conditioners 68 ON SITE SETTING AND OTHERS 2 Manual setting change of indoor unit refrigerant line addresses In the case of 30 refrigerant systems or more when multiple air conditioners are included their number of refrigerant systems is also included Regarding refrigerant systems up to No 29 manual setting change is the same as that on the previous page Refrigerant address 1 is assigned to all indoor units except for group control by the auto address setting after system power on Therefore change refrigerant line address of each refrigerant system using the wired remote controller Also change indoor unit addresses so as to avoid duplication of indoor unit numbers Central controller 1 Refrigerant Refrigerant Refrigerant Refrigerant system 30 system 3
77. re to cancel auto address setting mode and then go to 3 UNIT No 8 is indicated b Group operation including twin triple double twin Power ON the indoor unit whose service board is replaced in either way of the following i Power ON the indoor unit only whose service board is replaced in the same way as a i and ii above There must be remote controller connection If not operation 3 is disabled ii Power ON multiple indoor units including the unit whose service board is replaced Twin triple double twin One system only Group control All indoor units Go to 3 when auto address setting mode ends about 5 minutes Header indoor unit may change depending on auto address setting The refrigerant line address and indoor unit address of the indoor unit whose service board is replaced are automatically set to an address that is not used in other units It is recommended that you take a memo beforehand that to which refrigerant system the indoor unit belongs and that the indoor unit is header or follower unit in the group 51 3 Writing Setting Data in EEPROM The data of the EEPROM on the service board is the factory setting data 1 Press cL and gt on the R C simultaneously for 4 seconds or more see page 52 In the group control mode the header unit number is displayed first If auto address setting mode is canceled in 2 2 a ii above UNIT No 8 is indicated At this time code
78. red for custom 4 LIH nc J 2 Refrigerant line address Group operation up to 8 indoor units Twin triple operation example of triple operation SW01 bit 1 Remarks Bit 1 ON Factory setting 65 Factory setting Factory setting 3 1 6 Onboard Switch Setting Procedure 1 Detach the front panel 2 Remove the drain guide ground line sensor TCJ sensor TC and motor leads 3 Remove the screws to detach the electric parts box M Sensor TCJ insertion position Insert the sensor drawn from above electric parts iL Sensor TC insertion position EXER Insert the sensor drawn from under electric parts KS e Z1 Fan motor connector insertion position S Ok a o o OS Louver motor connector insertion position Electric parts box screw 4 Detach the electric parts cover and set SWO1 bit 1 to ON Do not touch bit 2 as it is for other setting lg Factory After setting setting change 5 Install the removed parts by reversing steps 1 to 4 Insert the sensors and motor leads firmly into their correct positions 66 ON SITE SETTING AND OTHERS 3 1 7 Setting Addresses Overview To connect custom air conditi
79. ricating 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 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 Insertion of Flare Nut Flare processing dimensions differ according d Flare Processing to the type of flare tool When using a con ventional flare tool be sure to secure dimen Make oanp par apace p per sion A by using a gauge for size adjustment pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for RA10A or conven tional flare tool Fig 6 2 1 Flare processing dimensions Table 6 2 3 Dimensions related to flare processing for RA10A A mm Nominal eost Thickness diameter i mm Flare tool for mm R410A clutch type Conventional flare tool Clutch type Wing nut type 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 8 0 to 0 5 1 0 to 1 5 2 0 to 2 5 1 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Table 6 2 4 Dimensions related to flare processing for R22 A mm Nominal d Thickness diameter Flare
80. s Thicknesses of copper pipes used with R410A are as shown in Table 6 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market Table 6 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all con taminants 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 6 below 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 Nominal diameter Reference outer diameter of copper pipe jointed mm Minimum joint thickness mm 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 lub
81. s below Tsc 1 5 2 The GA control after determination of operation mode follows the description in No 4 3 The room temperature control and temperature correction follow the descriptions in No 3 and No 15 Tsc COOL set temp Tshc HEAT set temp room temp control correction 18 INDOOR UNIT CONTROL CIRCUIT Continued NO Item Overview of specifications Remarks 6 Fan speed control 1 A fan speed HH quick high H high L low or AUTO is selected HH gt H gt H gt according to the instruction from remote controller for FAN mode L gt L gt UL operation 2 Fan speed is switched according to the difference between Ta and Ts in the AUTO mode Cooling Ta 3 0 2 5 2 0 1 5 1 0 0 5 Tsc TM L L G The fan speed control is the same for temperature setting by remote controller or the unit Once fan speed is changed it remains unchanged for 3 minutes unless different fan speed is selected by instruction At the beginning of cooling a falling gradient higher fan speed is selected When the temperature difference between Ta and Ts is ona threshold line fan speed does not change Auto cooling Heating Ta 0 5 1 0 0 Tsh 0 5 41 0 41 0 12 0 41 5 30 42 0 40 Temperature setting by remote controller Other than Temperature setting by unit Once fan speed is changed it remains unchang
82. s 1 5 28 Auto restart after power failure 0000 Not provided 2A Option alarm input CN80 selection 0002 External alarm input 2b Thermo output T10 selection 0000 Thermo output ON 2E HA terminal T10 selection 0000 Operation input 31 Ventilation fan single operation 0000 Disabled 32 Sensor selection 0000 Unit sensor 60 Timer setting wired R C 0000 Available 69 Flap setting for cooling 0000 Normal 8b Correction of feeling of strong heating 0000 Not provided Onboard Component Layout lt MCC 1510 gt DIP switches 5 01 SW02 EEPROM IC10 DIP switch setting Indoor unit capacity Code 11 Setting data Model 0000 Invalid 0006 40 type 0007 45 0008 50 0009 56 0010 63 0011 71 0012 80 Default value of EEPROM on the service board Mount EEPROM aligning its notch with the notch of IC socket Ea a IC socket Notch EEPROM Setting AIK AP 1H Factory setting SWO1 Bit1 Terminating resistor for central control 1 OFF no resistor Bit2 Selection of R C A or B 1 OFF A is selected SWO2 Bit1 Selection of custom or multiple OFF OFF custom models Bit2 Not used OFF OFF 1 Set to the state before replacement 53 10 ON SITE SETTING AND OTHERS 1 Indoor Unit 1 1 Trial Operation Setting by Remote Controller The lamps on the unit blink during trial op
83. sensor number code you want to monitor with c buttons The following table lists sensor numbers Code Data Code Data 5 00 Room temp under control 1 60 Heat exchange temp TE FA 01 Room temp R C 61 Outside air temp 5 02 Indoor unit intake temp 2 62 Discharge temp TD 5 03 Indoor unit coil temp 8 63 Intake temp TS g 04 Indoor unit coil temp TC E 64 05 Indoor unit coil temp TC1 65 Heatsink temp THS 1 Header indoor unit only under group control v UNIT Returns to normal indication Operation procedure Choose an indoor unit you want to monitor with 7 button to monitor sensor temperatures of indoor units and outdoor unit in the same control group V Press to return to the normal indication 59 Calling error log Description Calls past errors Procedure e Press G and on the R C simultaneously for 4 seconds or more to call the service check mode Service check lights up and code 7 is displayed first to display the latest error The faulty indoor unit number and error content are displayed V To monitor other errors change error log number code with TEMP buttons Code 7 latest Code 54 oldest Note Up to 4 errors are memorized in the error log v SWING FIX ia UNIT Returns to normal indication
84. sible causes Air conditioner status Conditions E03 No signal reception from remote OFF Indicated when an 1 Check remote controller wiring controller auto reset error is detected No indication on remote controller LCD disconnection e Central controller C06 check code E04 Serial signal from outdoor unit does OFF Indicated when 1 When outdoor unit does not work at all not reach indoor unit auto reset error is detected Check wires correct wrong Wrong wire connection connection Failure of outdoor unit serial Check outdoor unit boards and wiring transmitter 2 When outdoor unit works normally Failure of indoor unit serial Check boards indoor unit receiver receiver outdoor unit transmitter E08 Duplication of indoor unit address OFF Indicated when an 1 Check remote controller connection error is detected group individual change after 03 Duplication of header indoor unit poweron f group configuration or address is UPS ISP not correct the unit enters auto 107 Group line in individual indoor unit address setting mode automatically for address re setting 08 Indoor unit group address not set 09 Indoor unit capacity not set OFF Indicated when an 1 Set indoor unit capacity DN 11 error is detected L30 External interlock alarm input OFF Indicated when an 1 Check external devices error is detected 2 Check indoor unit boards P12 Failure of indoor unit DC fan OFF Indicated when an 1 Position de
85. t changes and the characteristics of the equipment varies 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 expen sive though it excels in solderability 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 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 14 Cylinder without siphon Gauge manifold OUTDOOR unit Jepui o jueJeBujes Electronic balance 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 Reason why flux is necessary 1 By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler 2 In the brazing process it prevents the metal surface from being oxidized 3 By reducing the brazing filler s sur
86. tect error error is detected 2 Overcurrent protection circuit operation of indoor unit fan driver 3 Indoor unit fan lock 4 Check indoor unit boards P19 Failure of 4 way valve system OFF Indicated when an 1 4 way valve Indoor unit heat exchange auto reset error is detected 2 Check 2 way valve check valve temperature lowers after HEAT 3 Check indoor unit heat exchanger TC TCJ operation starts 4 Check indoor unit boards P31 Indoor unit OFF during alarming to OFF Indicated when an 1 Judging follower unit when header other indoor units follower units error is detected unit is E03 LOS LO7 08 auto reset 2 Check indoor unit boards F01 Improper mounting disconnection OFF Indicated when 1 Check TCJ or short circuit of indoor unit heat auto reset error is detected 2 Check indoor unit boards exchange sensor TCJ 202 Improper mounting disconnection OFF Indicated when an 1 Check TC or short circuit of indoor unit heat auto reset error is detected 2 Check indoor unit boards exchange sensor TC F10 Improper mounting disconnection OFF Indicated when an 1 Check TA or short circuit of indoor unit room auto reset error is detected 2 Check indoor unit boards temp sensor TA F29 Failure of indoor unit EEPROM OFF Indicated when an 1 Check indoor unit EEPROM and EEPROM access error auto reset error is detected insertion into socket 2 Check indoor unit boards E18 Commun
87. thin 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 15 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 occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 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 mate rial 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 m 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
88. tinues OFF FAN mode with set fan speed within the range of Ts a 1 lt Ta lt Ts 0 1 COOL operation LA 1 0 Ta FAN mode with c Ts set fan speed operation ais corrected according to outside air temperature Outside air temp Corrected value o No To OK k deg To224 C 1K 24 gt To218 C OK To lt 18 C 1K Abnormal To OK 2 Operation instruction permission mode HEAT and AUTO modes are not available for COOL only models When instruction is issued from wireless remote controller in the HEAT or AUTO mode it is indicated by a reception sound pi and by alternate blinking of TIMER and PREPARING lamps To cancel this alternate blinking issue an instruction of mode other than HEAT or AUTO 3 Room temperature 1 Adjustment range Remote controller set temperature 47 NO Item Overview of specifications Remarks Room temperature control 2 The set temperature for HEAT operation can be corrected by code No 06 Set data 0 2 4 6 Correction of set temp 0 2 C 4 C 6 C Factory setting Set data 2 When use of remote controller sensor is set with DN32 no correction is performed Heat intake temperature shift When unit s temperature sensor is used Capacity auto control GA control 1 Issues instruction of operating frequency to outdoor unit according to the difference between Ta and Ts 2
89. tons RBC AMT31E In the same way as above check the displayed data comparing the content of the memo If the data is incorrect change it to the data of the memo 9 Repeat steps 7 and 8 above 10 When the setting is completed press to return the operation mode to normal OFF i i r ti n i n TIMER SET FAN It takes about one minute until R C operation is enabled ens A SWING FIX DN 7 Ab DN does not always shift sequentially Even if data is updated and button is pressed by mistake the previous data can be restored with button unless DN is changed 52 HOW TO REPLACE SERVICE BOARD OF INDOOR UNIT Continued Example of Setting Contents to be Written Down Code Table DN Item Memo Factory setting 01 Filter sign ON time 0001 150 hours 02 Filter contamination level 0000 Average 03 Central control address 0099 Not determined 06 HEAT intake temp shift 0002 2 PREPARING indication selection 0000 Normal OF COOL only 0000 Heat pump type air conditioner 10 Type Must be set to 0008 0008 Wall type 11 Indoor unit capacity Depends on capacity type 12 Refrigerant line address 0099 Not determined 13 Indoor unit address 0099 Not determined 14 Group address 0099 Not determined 1E Temp range at COOL HEAT auto switching control 0003 3 C T
90. tool for mm R22 clutch type Conventional flare tool Clutch type Wing nut type 0 to 0 5 0 5 to 1 0 1 0 to 1 5 0 to 0 5 0 5 to 1 0 1 0 to 1 5 0 to 0 5 0 5 to 1 0 1 5 to 2 0 0 to 0 5 0 5 to 1 0 1 5 to 2 0 Table 6 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut diameter mm mm B width mm 10 Table 6 2 6 Flare and flare nut dimensions for R22 Thickness mm Outer diameter mm Nominal diameter Dimension mm Flare nut width mm B C 33 5 45 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 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 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any ot
91. trol 3 1 1 Functions Connect an indoor unit to the TCC LINK central controller 3 1 2 Connection Diagram Central controller Indoor unit Terminal block U3 U4 TCC LINK Number of units 64 Communication length 2km Terminal block A B Remote controller 3 1 3 TCC LINK Connections How to make connections The terminal block for TCC LINK central control is located at the lower right of the indoor unit For details see the installation manual of applicable central control remote control system When using the terminal block detach the front panel following the description on how to replace main components in this manual Electric parts box Se block Cord clamp Terminal block for central control wiring lower right part without front panel 63 3 1 4 Wiring Specifications Number of wires Size Specification 2 Up to 1000m 1 25mme stranded wires MVVS Up to 2000m 2 0mm2 stranded wires e 2 wire non polarity cable is used The cable length depends on each central control system When used in a system including multiple air conditioners the length includes the length of all wires between indoor and outdoor units on the side of multiple air conditioners Use 2 wire shield cable MVVS to protect from noise Joint shield wire between indoor units by closed end terminating an
92. unit fan control in the HEAT mode according to Fan speed select setting control the Tc or Tcj sensor detect temperature The maximum speed is by remote controller takes limited as shown below precedence in zones D Shifts Tc control value by 6 and E Tcj C during defrosting However zone HEAT PREPARING is B is regarded as zone C after6 indicated in zones A and 36 minutes pass from the startup of B 34 compressor Zone E 32 30 24 AO a eun 20 INDOOR UNIT CONTROL CIRCUIT Continued Item Overview of specifications Remarks NO Freezing prevention control low temp release 1 Performs the following operation control in the COOL or DRY mode according to the Tc or Tcj sensor detect temperature When zone J in the figure below is detected for 6 minutes the specified operating frequency is decreased from the actual operating frequency and the specified operating frequency is changed every 30 seconds in zone J Timer count stops and is maintained in zone K Timer count is cleared to restore normal operation when zone is detected If the specified operating frequency becomes SO due to continuation of zone J return temperature A is raised from 5 to 12 C and operation with L fan speed continues until zone is detected 5 If 4 way valve cannot be switched during heating and the following conditions become true freezing preve
93. wer on the indoor unit is regarded as twin follower unit Each time of power on Recognition of twin header main follower sub is carried out at each power on and the result is not stored in the non volatile memory When performing auto address setting power on the indoor units in a control group within 3 minutes If powered on after 3 minutes when auto address judgment is completed the unit is rebooted and reenters auto address setting mode Connect wires between indoor and outdoor units properly Check refrigerant line address indoor unit address and group address of each unit Regarding twin triple and double twin in particular check for one refrigerant line address for all units 8 An indoor unit number refrigerant line address group address once it is set is retained in principle unless it is not used for any other unit 61 Indoor units that are not supplied with power Indoor Unit Power ON Sequence waiting mode continuously System start resets the waiting mode Rebooted if power is supplied halfway lt By power supply unit gt Sec Auto address judgment Checking group configuration Correct Correct group configuration means No duplication of indoor unit address No invalid indoor unit address Individual units and header follower units are not mixed 4 Only one individual unit 5 One heade
94. y hand with operation OFF Is 0 to 15VDC rev return signal generated between CN210 20 Repair cross flow fan shaft Fan motor is normal 45 P12 Malfunction of I U fan motor Failure of fan motor connector New code Q Failure of fan motor 8 Failure of I U board 4 Failure of cross flow fan shaft When AC cord is plugged P C board 1 0 fan starts rotating 4 Check the fan motor output DC voltage on the 1 0 board Check voltage on the motor connector CN210 pin 3 GND black and pin 5 line yellow while fan is rotating 5 Yellow 4 White gt Failure of 1 0 Failure of I U fan 1 Red MCC 1510 board motor 6 Blue 46 Troubleshooting Continued Le Other I U errors When an error occurs with other units in the group New code Group follower I U error When header unit detects E03 L03 LO7 or LO8 during group operation P31 is indicated on follower units in the group and their operation stops No code or alarm log is displayed on the R C 47 Check code Check code name Possible causes C05 C06 TCC LINK central control TCC LINK central control communication error Central controller communication error Is I U powered ON NO Power ON YES Is harness from 1 0 terminal block connected properly NO Correct connector connection YES Can I U be o

R410A RAV-SM561KRT-E RAV-SM801KRT-E

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