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RAV-SM1103AT-E1 RAV-SM1403AT-E1

1. Others No determination ON OFF Rapid flashing 5 times second lt gt Slow flashing Once second 69 C Sensor current compressor operation frequency PMV opening display The values such as the temperature sensor or the current value which the controller detects are easily confirmed Temperature sensor TD TE TL TS TO TH TA TC TCJ LED display Temp sensor Current Compressor PMV opening D800 D801 D802 D803 D804 D805 pis 25 or less 0 19 Bs 2 3 60 240 259 80 320 339 85 340 359 90 360 379 ON OFF Slow flashing Once second 70 2 Special operation for maintenance check SW800 and SW801 operations The following special operations for maintenance check can be performed by handling the service switches SW800 and SW801 Operating method 1 Check LED display is the initial status If it is not so set the initial status 2 Push and hold SW800 5 seconds or more and then check D804 flashes slowly 3 Push SW800 and then stop it at the LED display of the function item to be set Special operation LED display Refrigerant recovery Dago Dan oan Pre orum ey Me operation operation out the fan operation beforehand Refer to 9 3 1 PMV full open D800 0801
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4. 708 709 712 713 711 710 Location NP Model Name RAV Description No SM1103AT E1 SM1403AT E1 43150351 SENSOR TD 43150350 SENSOR ASSY 43150353 SENSOR 43150352 SENSOR 43150355 SENSOR 43263338 HOLDER ASSY SENSOR 4316V496 PC BOARD ASSY MCC 1630 43160589 FUSE 43F63248 SUPPORTER ASSY 43160567 TERMINAL BLOCK 30A 43160565 TERMINAL BLOCK 20A 43163059 SPACER BUSH 43163066 SPACER COLLAR 43163060 SPACER COLLAR wo Ja Ja Ja pa 92 TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKU TOKYO 108 8580 JAPAN Copyright 1999 to 2012 TOSHIBA CARRIER CORPORATION ALL Rights Reserved Revision record First issue Jan 2012 Revision 1 Change 2 Construction views Mar 2012
5. eese essen innen nennen annnm anas niens nnn annes nena 25 6 5 Brazing 1 8 26 6 6 Instructions for Re use Piping Of R22 or R407C 28 7 CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 31 remo gainnaesjpee 31 7 2 Qutline of Controls nain itera Lacon rua ac a 32 Be E Y 37 8 1 Summary of Troubleshooting 37 8 2 Troubleshooting tasa nna n nennen nannten 39 9 SETUP AT LOCAL SITE AND OTHERS 63 9 1 Calling of Error HIStory vissies rente eene Dn tatam eaaa aa aaa 63 9 2 Group Control Operation 1 63 s MNenbIMI 65 9 4 Applicable Control of Outdoor Unit nnne nnne nnns 72 10 ADDRESS SETUP eee 73 10 1 Address Setup Proc
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7. 7 6 Heating Overload 24 18 Low load 2 i 10 70 RAV SM1403AT E1 Pressure MPa kg cm G Pd Ps Pd Ps TL Pipe surface temp Standard Cooling Overload Low load 5 Standard 7 6 Heating 3 24 18 Low load 2 10 70 4 poles are provided to this compressor The compressor frequency Hz measured with a clamp meter is 2 times of revolutions rps of the compressor 18 4 WIRING DIAGRAM NH9 LOSNO 908 99 0 LO8MS 008MS 008d 404 jeuruue L CDS 13 SLIHM IHM 9339 9 ANO AHO aad 2078 10105 JL OL 26t o 43 lt 4 1 HM HM IHM HM 19 LONO S09NO v09NO LO9NO 09NO 209 0 39IAH3S 1HMS Josues duiej pinbr1 JosseJduio 104 26v V 9 L 9 4 63 VOLL esn4 204 Josues yea aL EL esn4 iB Ol AOSZWSZeSni
8. Check indoor power wiring Check indoor board Check indoor EEPROM including socket insertion Automatic address repeating phenom enon generates No communication with master indoor unit Disconnection of inter unit wire between remote controller and master indoor unit Detected by remote controller side Stop Automatic reset If center exists operation continues Displayed when error is detected Receiving error from remote controller 1 Check remote controller inter unit wiring 2 Check remote controller 3 Check indoor power wiring 4 Check indoor board Signal send error to indoor unit Detected by remote controller side Stop Automatic reset If center exists operation continues Displayed when error is detected Sending error of remote controller 1 Check sending circuit inside of remote controller Replace remote controller There are multiple main remote controllers Detected by remote controller side Stop Sub unit continues operation Displayed when error is detected In 2 remote controllers including wireless there are multiple main units Check that there are 1 main remote controller and other sub remote controllers Central controller Duplicated indoor central addresses on communication of central control system Detected by indoor central controller side Stop Automatic reset Displaye
9. 7 CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 7 1 Outdoor unit control 7 1 1 Prim circuit board MCC 1630 A0SzZ 024 sed 62d 82d 9cd uonoejoud pee1 peaj peg eiA o4129 3 v 9 224 pA esn uonoejoJd VOL AOSZ 224 yun 19 u HUM Lad 9JIM peaj Bunoeuuoo Kjddns peu Ed A219 9JIM peaj Bunoeuuoo Joopu OOLNO o0SNO JO O UU09 aseD HUM 00 indino LOZNO 10 0Uu Ue 908NO J0j9euuoo Od jeuondo 93IUM S09NO IL GIUM 9 S L SHUM 09NO SL ZO9NO OL uee15 onseld SHUM LO9NO Q L LO8MS wolJ8A 708 01 008A uee15 LOSNO AOSZ 204 GOd 0 0d 4O OSUUO0D 008MS Qi 908 posr O1008f 40129UuUO MS sn uonooejoud yndjno Josues dua YOUMS 2 1 10149 JOMOd Jedunf ainssaid ybiy Ajddns Jossaidwoy 31 7 1 2 Outline of Main Controls 1 Pulse Modulating Valve PMV control 1 For PMV with 50 to 500 pulses during operation respecti
10. Inner diameter C Inner Inner diameter O D diameter 8 D Model RBC Liquid side TWP30E2 Gas side Liquid side TWP50E2 Gas side 16 REFRIGERATING CYCLE DIAGRAM RAV SM1103AT E1 RAV SM1403AT E1 Outer diameter of refrigerant pipe Gas side Liquid side OB 15 9mm 9 5mm Height difference m Indoor unit Distributor Outdoor unit Outdoor unit TCJ sensor Strainer incorporated at upper side at lower side pid Ona Air heat exchanger wA Refrigerant pipe Refrigerant pipe 9 at gas side 015 9 at liquid side 09 5 c ili Section shape E of heat insulator AE 1 1 1 5 Min i Max E EE 5m 50 Outer dia OA O tdoor unit Outer dia OB sengor Strainer TO sensor PMV m Pulse Motor Valve UKV 25D22 TL sensor ais n x TD sensor Bil Ix 0 Strainer E Hoe TE i Muffler Heat Outer side 08 2 rows 20 steps xL210 FP1 3flat fin ism i Inner side 2500cc otary 925 x L180 Go row 30 steps compressor FP1 5 flat fin DA422A3F 12M NN 2 0 9 Cooling gt Heating 17 RAV SM1103AT E1 Pressure MPa kg cm G Pd Ps Pd Ps TC TL Pipe surface temp Standard Cooling Overload Low load 1 5 Standard
11. Replace O e e o e o Suction temp sensor TS error Is CN604 connection normal Is resistance value of TS sensor normal Correct connector Sensor error Replace Check outdoor P C board Defect Replace e e Heat sink temp sensor TH error Check outdoor P C board Defect Replace O e 0e o o 9 Miswiring of heat exchanger sensor TE TS Is mounting status of TE and TS sensors normal Is CN604 connection normal Is resistance value of TS sensor normal Is CN603 connection normal Is resistance value of TE sensor normal Correct sensor mounting Correct connector Sensor error Replace Correct connector Sensor error Replace Check outdoor P C board Defect Replace 52 Outdoor LED display Oeoeoe Check and troubleshooting Item without special mention Indicates part of outdoor unit EEPROM error Check outdoor P C board Defect Replace O e o e o 9 Compressor break down Is power supply voltage normal AC198 to 264V YES Is wire connection normal Compressor lead P C board side Compressor side Reactor lead Power supply lead YES Is it not abnormal overload NO Correct power supply line Check wire connection and correct it YES Correct and clear the cause Check outd
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13. uonenunuoo 19591 peioejep sem yeay jo 1joug uedo Sjuajuoo 10119 uoneue dx3 Joopu uonooejeg 10sues Joopu uonisod Bulysey Buriusej snoeuejnuus snoeueynuuls WIS Buyse Hulysey eyeujeyy ITV o5 e 5914 0009 peeH uoneoipur uoneoipur uoneoipul 10 euo 43 Error mode detected by indoor unit Operation of diagnostic function Cause of operation No communication from remote controller including wireless and communication adapter Status of air conditioner Stop Automatic reset Condition Displayed when error is detected Judgment and measures 1 Check cables of remote controller and communication adapters Remote controller LCD display OFF Disconnection Central remote controller 97 check code The serial signal is not output from outdoor unit to indoor unit Miswiring of inter unit wire Defective serial sending circuit on outdoor P C board Defective serial receiving circuit on indoor P C board Stop Automatic reset Displayed when error is detected
14. 1 Outdoor unit does not completely operate Inter unit wire check correction of miswiring Check outdoor P C board Correct wiring of P C board 2 When outdoor unit normally operates Check P C board Indoor receiving Outdoor sending Case thermostat operation Abnormal overheat of compressor Displayed when error is detected 1 Check case thermostat and connector 2 Check gas leak recharge 3 Check full open of service valve 4 Check PMV Pulse Motor Valve 5 Check broken pipe Duplicated indoor unit address Duplicated indoor master unit There is group wire in individual indoor unit Unset indoor group address Displayed when error is detected 1 Check whether remote controller connection Group Individual was changed or not after power supply turned on Finish of group construction Address check If group construction and address are not normal when the power has been turned on the mode automatically shifts to address setup mode Resetting of address Unset indoor capacity Displayed when error is detected Set indoor capacity CODE No DN 11 Abnormal input of outside interlock Displayed when error is detected Check outside devices Check indoor P C board Float switch operation Float circuit Disconnection Coming off Float switch contact error Displayed when error is detected Trouble of drain pump Clogging of drain
15. 2 To know the position of indoor unit body by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation Push 5 buttons simultaneously for 4 seconds or more e Unit No ALL is displayed Fans and louvers of all the indoor units in the 1 group control operate 2 Every pushing 2 button the unit numbers in the group control are successively displayed The unit No displayed at the first time indicates 3 the master unit address Fan and louver of the selected indoor unit only operate 3 Push 5 button to finish the procedure the indoor units in the group control stop TIMER SET Operation procedure 1 2 gt 3 END Maintenance Check list Aiming in environmental preservation it is strictly recommended to clean and maintain the indoor outdoor units of the operating air conditioning system regularly to secure effective operation of the air conditioner It is also recommended to maintain the units once a year regularly when operating the air conditioner for a long time Check periodically signs of rust or scratches etc on coating of the outdoor units Repair the
16. Turn off the leakage breaker Remove the defective compressor Mount a service compressor Leakage check Vacuuming Charge the refrigerant N N m 5 3 o o For exchange of compressors refer to 11 Compressor in Section 13 Detachments 81 13 DETACHMENTS RAV SM1103AT E1 RAV SM1403AT E1 Part name Procedure Remarks Common N CAUTION Never forget to put on the gloves at working Front time otherwise an injury will be caused by the cabinet parts etc Detachment Stop operation of the air conditioner and also turn off switch of the breaker Remove the front cabinet M4 Hexagon x 10 3 pcs After taking off screws remove the front cabinet by pulling it downward Remove the cover of the terminal block M4 x 8 2 pcs Disconnect the connecting cables and power cord from the terminals and cord clamp Remove the roof plate M4 Hexagon x 10 6 pcs Attachment Attach the roof plate Cover of the terminal block M4 Hexagon x 10 6 pcs Connect the connecting cable and power cord at the terminal and fix them with cord clamp Attach the cover of the terminal block M4 x 8 2 pcs Roof plate N CAUTION Using bundling band sold at a market be sure to fix the power cables and indoor outdoor connecting cables along the inter unit cable
17. 4 ON OFF operation cannot be performed from remote controller s not the control operation performed from outside remote side s not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON s not being carried out a test run by operation of the outdoor controller b Did you return the cabling to the initial positions C Are connecting cables of indoor unit and remote controller correct 2 Troubleshooting procedure When a trouble occurred check the parts along with the following procedure Trouble Confirmation of check code display Check defective position and parts NOTE For cause of a trouble power conditions or malfunction erroneous diagnosis of microcomputer due to outer noise is considered except the items to be checked If there is any noise source change the cables of the remote controller to shield cables 37 Wireless remote controller type 1 Before troubleshooting 1 Required tools instruments and screwdrivers spanners radio cutting pliers nippers etc Tester thermometer pressure gauge etc 2 Confirmation points before check a The following operations are normal 1 Compressor does not operate Is not 3 minutes delay 3 minutes after compressor OFF s not the outdoo
18. Check defective position and parts 1 Outline of judgment The primary judgment to check where a trouble occurred in indoor unit or outdoor unit is performed with the following method Method to judge the erroneous position by flashing indication on the display part of indoor unit sensors of the receiving unit The indoor unit monitors operating status of the air conditioner and the blocked contents of self diagnosis are displayed restricted to the following cases if a protective circuit works 38 8 2 Troubleshooting 8 2 1 Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method Method to judge the erroneous position by flashing indication on the display part of the indoor unit sensors of the receiving part The indoor unit monitors the operating status of the air conditioner and the blocked contents of self diagnosis are displayed restricted to the following cases if a protective circuit works Lamp indication Operation Timer No indication at all Ready Check code Go off O Go on Xx Flash 0 5 sec Cause of tr oub le occurrence Power supply OFF or miswiring between receiving unit and indoor unit Operation Timer Receiving error Miswiring or wire connection error Receiving unit between receiving unit and indoor unit Sending error Communica
19. Check heat sink blast path Detection of gas leak Discharge temp sensor TD Suction temp sensor TS detected temperature over specified temp Displayed when error is detected Check gas leak recharge Check full open of service valve Check PMV Pulse Motor Valve Check broken pipe Check discharge temp sensor TD suction temp sensor TS 4 way valve inverse error After heating operation has started indoor heat exchanger temp lowers under the specified temp After heating operation has started outdoor heat exchanger suction temp rises over the specified temp Displayed when error is detected Check operation of 4 way valve Check outdoor heat exchanger TE suction temp sensor TS Check indoor heat exchanger sensor TC Check 4 way valve coil Check PMV Pulse Motor Valve Compressor break down Although operation has started operation frequency decreases and operation stops Displayed when error is detected Check power supply voltage AC198 to 264V Overload operation of refrigerating cycle Compressor lock Over current detection after compressor start up Displayed when error is detected 45 Trouble of compressor Lock etc Replace compres Sor Wiring error of compressor Open phase Operation of diagnostic function Check code Indoor unit Status of ause of opera
20. For the error display contents confirm on the check code list 9 High pressure release control 1 The operation frequency is controlled to restrain abnormal rising of high pressure by TL sensor in cooling operation and TC sensor in heating operation 2 When TL sensor in cooling operation or TC sensor in heating operation detects abnormal temperature of the stop zone stop the compressor and the error count becomes 1 3 When the compressor stopped with 2 the operation restarts from the point of the normal operation zone e point or lower where it returned after 2 minutes 30 seconds 4 The error count when the compressor stopped with 2 is cleared after the operation continued for 10 minutes If the error count becomes 10 without clearing the error is determined and reactivation is not performed 5 For the error display contents confirm on the check code list HEAT TC COOL TL Abnormal stop Frequency normal down Frequency slow down Frequency hold Frequency slow up Up to command o0 As command is 10 Defrost control QD In heating operation defrost operation is performed when TE sensor temperature satisfies any condition in A zone to D zone Q The defrost operation is immediately finished if TE sensor temperature has become 12 or more or it also is finished when condition of 7 TE lt 12 has continued 1 minute The defro
21. Inverter assembly Front cover Inverter fixing plate Case thermo lead mu f 4way valve om Complessor lead connector Wire clamp There is a hook for the partition board at the rear side Part name Procedure Remarks Outdoor unit control P C board 1 Perform works of 1 of CD 2 of 2 Remove the guide 4 x 8 1 pc 3 Remove connectors and lead wires which are connected to the other parts from the cycle P C board 1 Connectors On P C board CN601 TD sensor 3P White CN602 TO sensor 2P Yellow CN603 TE sensor 2P White CN604 TS sensor White CN605 TL sensor 2P White CN300 Outdoor fan 3P White CN500 Case thermo 2P Blue CN700 4 way valve 3P Yellow CN701 PMV coil 6P White CN501 High pressure SW 3P Green Connectors Relay connection Reactor lead wire White Reactor lead wire Gray Compressor lead wire Red White Black Unlock the locks of the housing part and then remove the connectors 4 Remove the Faston terminal White 3 on the indoor outdoor connection terminal block 5 Remove the earth wire Black which is fixed to the terminal fixed plate with screw 1 pc 6 Remove the power supply connection lead wire from the power supply terminal block L Red N White 7 Remove screws 4 pcs which fixed the heat sink and IPM and screws 3 pcs which fixed the heat sink and rectifier 8 Remove screw
22. YES After the existing air conditioner operated in cooling mode for approx 30 minutes or longer recover the refrigerant For cooling the pipes and recovering of oil Refrigerant recovery Pump down method Nitrogen gas pressure 0 5 Mpa Remove the existing air conditioner from the piping and carry out flashing nitrogen pressure 0 5 Mpa to remove the remains inside of the pipe Note In case of twin also be sure to flash the branching pipe oV If there is discharge of remains it is judged that there is a large quantity of remains Clean the pipes or use the new pipes If you are in trouble of pipe cleaning please contact us Was not largely discolored oil or a large quantity of remains discharged When the oil deteriorates the color of the oil changes to muddy and black color E Connect the indoor outdoor units to the existing pipe Use a flare nut attached to the main unit for the indoor outdoor units Do not use the flare nut of the existing pipe Re machine the flare machining size to size for R410A Piping necessary to change the flare nut machining size due to pipe compression n case that a gas pipe 019 mm or bigger is used for the Flare nut width H outdoor unit of SM80 3 HP Our R410A model 3 to 6 HP Copper pipe gas pipe size is 015 9 mm See 9 3 2 us For R410A For R22 Same as above Airtight test Vacuum dry
23. and take care to avoid touching any live parts You may receive an electric shock if you fail to heed this warning Only qualified service person 1 is allowed to do this kind of work N WARNING General Before starting to repair the air conditioner read carefully through the Service Manual and repair the air conditioner by following its instructions Only qualified service person 1 is allowed to repair the air conditioner Repair of the air conditioner by unqualified person may give rise to a fire electric shocks injury water leaks and or other problems Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the air conditioner Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks Wear protective gloves and safety work clothing during installation servicing and removal Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire N WARNING The appliance shall be installed in accordance with national wiring regulations Capacity shortages of the power circuit or an incomplete installation may cause an electric shock or fire Only a qua
24. board Defect Replace Check 4 way valve Defective Replace Are TC sensor and TCJ Replace TC sensor sensor normal Replace TCJ sensor Check indoor P C board Defect Replace 57 Outdoor LED display O 0 O e Check and troubleshooting Item without special mention Indicates part of outdoor unit High pressure protective operation NO Is valve fully opened Open valve fully YES Reset the power supply and then perform test run Cooling season matching to the season Cooling operation Heating season Heating operation Is there no problem on outdoor TL sensor Measurement of resistance value Replace sensor NO Is there no crack or loosening of outdoor fan YES Check outdoor fan Defect Replace retightening NO Does not the outdoor fan perform abnormal operation YES Check the same items as P22 error Is there no element which interfere heat exchange of outdoor unit Clogging of heat exchanger Short circuit Eliminate interfering element Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect Correct defective position Does indoor fan Are indoor fan motor normally operate and connector normal Repair defective position Are resistance values Replace of indoor TC and TCJ Roch sensors normal
25. so that they do not come to contact with the compressor valves and cables at gas side and the discharge pipe 4 Attach the front cabinet M4 Hexagon x 10 3 pcs 82 Part name Procedure Remarks Discharge port 1 Detachment cabinet 1 Perform work of item 1 of Remove screws M4 x 8 3 pcs of discharge port cabinet for partition plate Fin guard Remove screws M4 Hexagon x 10 2 pcs of discharge port cabinet for the bottom plate Remove screw 4 x 8 1 pc of dis charge port cabinet for the end plate of the heat exchanger 5 Remove the screws M4 x 8 2pcs of discharge port cabinet and motor base 6 Remove screws M4 Hexagon x 10 2 pcs of discharge port cabinet for the fin Bottom plate guard 2 Attachment 1 Put the upper left side of the discharge port cabinet on the end plate of the heat exchanger and then fix it with screw xa M4 x 8 1 pc E 2 Attach the removed screws to the original positions End plate of the Discharge port heat exchanger cabinet Side cabinet 1 Perform work of item 1 of CD 2 Remove screws fixing the inverter and the side cabinet M4 x 8 2 pcs 3 Remove screws of the side cabinet and the valve support plate M4 x 8 2 pcs 4 Remove screw of the side cabinet and the piping panel Rear M4 Hexagon x 10 1 pc 5 Remove screw of the side cabinet and the bottom plate M4 Hexagon x 10 1 pc 6 Remo
26. thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service The qualified service person is a person who installs repairs maintains relocates and removes person 1 the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individua
27. zas NO dirs T 1015 50 YysNy a __________ WO Teemmod ozs amssard uBin eBueuosig Josuas duie edid uonong 1osues duie edid SL OJON AWd 109 4502 4202 0 2 ZHOS AlddNS H3MOd LINN YOOQNI OL lene 1081 cog B ms C 13A v08d Ol 34 088 S Q3A 008a LO8MS 008MS jo3uo2 _ 0291 18 19 5 SPECIFICATIONS OF ELECTRIC PARTS Part name Type Specifications Gmwess NE 0 EROR Surge absorber DA38 362MT DA38 302MT Discharge voltage 3600V Discharge voltage 3000V Electrolytic condenser LLQ2G761KHUATF or ECST401LIN761KA58 DC400V 760uF G5NB or 001201 or RPG 12 Switching transformer AC250V 3A AC250V 5A AC250V 3A Input DC240 to 390V Output DC7V DC13V DC17V 20 6 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigera
28. 22 Position detection circuit error P29 P29 1 23 Others No fixation 1 O ON OFF Rapid flash 5 times sec Service switches s cover SW800 SW801 Electric parts cover The LEDs and switches are located at the top right of the P C board of the outdoor unit as shown in the figure on the right Inspection window through which to check the LED displays D800L yellow D801 yellow D802 1 yellow D803 yellow D804L 1 yellow D805 1 green 48 8 2 5 Diagnostic Procedure for Each Check Code Outdoor Unit 1 This section describes the diagnostic method for each check code displayed on the wired remote controller 2 In some cases a check code indicates multiple symptoms In this case confirm LED display on the outdoor P C board to narrow the contents to be confirmed 3 The check code on the wired remote controller is displayed only when the same error occurred continu ously by multiple times while LED of the outdoor P C board displays even an error which occurred once Therefore the display on the wired remote controller may differ from that of LED LED display on outdoor P C board Operation method of the service SW No error Error occurred Display of error which is generating D800 Yellow TT D801 Yellow When even one of D800 to D804 rapid flashing it D802 Yellow indicates that an error occurred When D
29. 29 C lt TO lt 38 C W5 WA W7 WD W9 SM140WF 15C lt TO lt 290 ws WB B C TO lt 15 C we ws w w we wo 1 tap 20 sec 0 lt lt 5 W3 W3 W5 W4 W7 4c lt To lt oc wi we wa ws lt 4 SM110 WD TO error WB SM140WF 55 C 1 tap 20 sec Up to the maximum rotational frequency of each zone 38 C 35 C Rotational frequency hold 33 4 2 Heating fan control 1 An outdoor fan is controlled by TE sensor TO sensor and operation frequency It is controlled with W1 for minimum and the maximum is controlled according to the following table 2 At the start time the fan is fixed for 3 minutes only with the maximum fan tap corresponded to the zone in the following table but it is controlled with TE sensor temperature after then 3 When status TE gt 24 continues for 5 minutes the operation stops In this case no error display appears and the status is same as the normal thermo OFF The can restarts after approx 2 minutes 30 seconds and this continuous operation is not an error 4 When the above status as 3 occurs frequently it is considered that filter of the suction part of the indoor unit is dirty Clean the filter and restart the operation 110 Under 31 2 Hz OYS 2121 Over 47 4 Hz Ns Scr qu ee Temp range Sm140 Under 36 0
30. C Indoor DB27 C WB19 C Indoor air flow High Pipe length 7 5m Indoor air flow High Pipe length 7 5m 2 02 4 6 8 10 4 Outdoor temp 6 14 12 10 8 36 37 38 39 40 41 42 43 35 34 Outdoor temp ERE Revision 1 Mar 2012 2 CONSTRUCTION VIEWS EXTERNAL VIEWS RAV SM1103AT E1 RAV SM1403AT E1 Knockout For draining Drain hole 220 x 88 Burring hole Drain hole 225 Burring hole 17 5 25 9 0239 Knockout lt 3 For draining 52 Discharge 60 17 5 Handles both sides gt 22 2227229 79 SZ Discharge guide mounting hole 4 04 Embossing Installation bolt hole 812 x 17 U shape holes 17 5 o a Details of B part Pd o 7N Installation bolt hole 812 x 17 long holes 17 5 Details of A part Refrigerant pipe connecting port Flare at liquid side 29 5 Refrigerant pipe connecting port Flare at gas side 215 9 Power supply inlet hole 238 Knockout hole Refrigerant piping hole Indoor Outdoor Unit connecting supply outlet hole Space required for service 2 012 x 17 U shape hole For 28 210 Anchor bolt 15 Discharge port 600 or more Minimum distance up to wall 2 212 x 17 long hole For 98 910 Anchor bolt RBC TWP30E2 RBC TWP50E2 Simultaneous Twin
31. Procedure Remarks Pulse Modulating Valve coil 1 Detachment Perform works of items 1 of and Remove the coil from PMV body while pulling it upward Attachment Match the positioning extrusion of the coil surely to the concavity of PMV body to fix it Positioning projection PMV main unit FAL PMV coil Reactor 1 1 2 Detachment Perform works of items of 1 of and 3 of Remove the reactor lead wire from the cord clamp which fixes lead wires Remove screw which fixes the reactor Partition plate side M4 x 8 1 pc Inverter rear side M4 x 8 2 pcs Pull off the reactor upward to remove the reactor N CAUTION As the reactor body becomes high temperature in this Model the lead wires are fixed with the cord clamp so that the reactor lead does not come to contact with the main body When replacing the reactor or returning the inverter assembly to the original position after removing it be sure to fix the lead wires with the cord clamp so that the main body does not come to contact to the lead 88 Do not pull the lead wire strongly too much Cord clamp Bind the lead wires with bundling band Part name Fan guard Procedure 1 Detachment 1 Perform works of items 1 of 2 2 Remove the discharge port cabinet and put it down so that the fan guard side directs downward Perform work on
32. YES MANUAL NO Is refrigerant line 1 line YES NO Is group control performed To AUTO address mode Do you change setting after automatic setting at the first time YES Connect one remote controller with one indoor unit 1 1 tentatively with communication cable Turn on power of outdoor unit Set to all indoor units one by one END Turn on power of outdoor unit setup change is to arbitral 50 f automatic Turn on power of outdoor unit After completion of address address group manually address finishes within 4 to 5 minutes When the following addresses are not stored in the neutral memory IC503 on the indoor board a test run operation cannot be performed Unfixed data at shipment from factory Item code Data at shipment Setup data range Line address 0001 No 1 unit to 0064 No 64 unit 0001 No 1 unit to 0064 No 64 unit Max value of indoor units in the identical refrigerant line 0000 Individual Indoor units which are not controlled in a group 0001 Master unit 1 indoor unit in group control 0002 Sub unit Indoor units other than master unit in group control Group address 73 10 2 Address Setup amp Group Control Terminology Indoor unit No N n Outdoor unit line address Max 30 Indoor unit add
33. a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conventional flare tool Flare processing dimensions differ according to the type of flare tool Z When using a conventional flare tool be sure 77 to secure dimension A by using a gauge for size adjustment Fig 6 2 1 Flare processing dimensions Table 6 2 3 Dimensions related to flare processing for R410A R22 A mm ter P 5 Nominal Thickness Conventional flare tool Conventional flare tool diameter Flare tool for diameter mm mm R410A R22 R410A R22 clutch type Clutch type Wing nut type Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 0 5 to 1 0 1 0 to 1 5 1 0 to 1 5 1 5 to 2 0 0 5 to 1 0 1 0 to 1 5 1 0 to 1 5 2 0 to 2 5 0 5 to 1 0 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 0 5 to 1 0 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 Table 6 2 4 Flare and flare nut dimensions for Nominal Outer diameter Thickness Dimension Flare nut width diameter mm mm B C mm Table 6 2 5 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm 23 CN lo 3g Fig 6 2 2 Relations between flare nut and flare seal surface 2
34. abnormally high pressure and may cause a rupture or personal injury INDOOR unit Liquid side OUTDOOR unit Opened Gas side Refrigerant cylinder With siphon pipe Check valve Closed 5 Open Close valve for charging Service port Electronic balance for refrigerant charging Fig 6 4 1 Configuration of refrigerant charging 25 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold OUTDOOR unit cylinder Electronic balance R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composition of the charged refrigerant changes and the characteristics of the equipment varies Cylinder without siphon Gauge manifold OUTDOOR unit Electronic balance Siphon Fig 6 4 2 6 5 Brazing of Pipes 6 5 1 Materials for Brazing 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join
35. code table 12 Control of compressor case thermo 1 The compressor stops when the case thermo of the compressor operated 2 When the case thermo operated for approx 80 seconds E04 error code same as serial error is displayed on the wired remote controller Refer to the Check Code 3 When the case thermo is reset the operation restarts 36 8 TROUBLESHOOTING 8 1 Summary of Troubleshooting Wired remote controller type gt 1 Before troubleshooting 1 Required tools instruments and screwdrivers spanners radio cutting pliers nippers push pins for reset switch Tester thermometer pressure gauge etc 2 Confirmation points before check a The following operations are normal 1 Compressor does not operate 15 not 3 minutes delay 3 minutes after compressor OFF s not the outdoor unit in standby status though the remote controller reached the setup temperature Does not timer operate during fan operation s not an overflow error detected on the indoor unit s not outside high temperature operation controlled in heating operation 2 Indoor fan does not rotate Does not cool air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes Does not high temperature release operation control work in heating operation Does not outside low temperature operation control work in cooling operation s not defrost operation performed
36. defective position or apply the rust resisting paint if necessary If an indoor unit operates for approx 8 hours or more per day usually it is necessary to clean the indoor outdoor units once three months at least These cleaning and maintenance should be carried out by a qualified dealer Although the customer has to pay the charge for the maintenance the life of the unit can be prolonged Failure to clean the indoor outdoor units regularly will cause shortage of capacity freezing water leakage or trouble on the compressor Part name Heat exchanger Object Indoor Outdoor Contents of check Blocking with dust damage check Contents of maintenance Clean it when blocking is found Fan motor Audibility for sound When abnormal sound is heard Filter Visual check for dirt and breakage Clean with water if dirty Replace if any breakage Visual check for swing and balance Check adhesion of dust and external appearance Replace fan when swinging or balance is remarkably poor If a large dust adheres clean it with brush or water Suction Discharge grille Visual check for dirt and scratch Repair or replace it if deformation or damage is found Drain pan Check blocking by dust and dirt of drain water Clean drain pan Inclination check Face panel Louver Check dirt and scratch Cleaning Coating with repair painting External appearance Check r
37. exchanger sensor TC Check full open of service valve Check indoor outdoor fan Check PMV Pulse Motor Valve Check clogging and short circuit of indoor outdoor heat exchanger Overcharge of refrigerant Recharge Outdoor fan system error Displayed when error is detected Check lock of fan motor Check power supply voltage AC198 to 264V Check outdoor P C board Short circuit error of compressor driving element Displayed when error is detected When performing operation while taking off compressor wire P26 error occurs Check control P C board When performing operation while taking off compressor wire an error does not occur Compressor rare short Position detection circuit error Displayed when error is detected 46 Check control board Error mode detected by remote controller or central controller TCC LINK Check code Not displayed at all Operation on remote controller is impossible Operation of diagnostic function Cause of operation No communication with master indoor unit Remote controller wiring is not correct Power of indoor unit is not turned on Automatic address cannot be completed Status of air conditioner Condition Judgment and measures Power supply error of remote controller Indoor EEPROM error 1 Check remote controller inter unit wiring Check remote controller
38. of scratch or dent of the former pipes to be applied and also confirmation of reliability of the pipe strength are conventionally referred to the local site If the definite conditions can be cleared it is possible to update the existing R22 and R407C pipes to those for R410A models 6 6 1 Basic Conditions Needed to Reuse the Existing Pipe Check and observe three conditions of the refrigerant piping works 1 Dry There is no moisture inside of the pipes 2 Clean There is no dust inside of the pipes 3 Tight There is no refrigerant leak 6 6 2 Restricted Items to Use the Existing Pipes In the following cases the existing pipes cannot be reused as they are Clean the existing pipes or ex change them with new pipes 1 When a scratch or dent is heavy be sure to use the new pipes for the works 2 When the thickness of the existing pipe is thinner than the specified Pipe diameter and thickness be sure to use the new pipes for the works The operating pressure of R410A is high 1 6 times of R22 and R4070 If there is a scratch or dent on the pipe or thinner pipe is used the pressure strength is poor and may cause break age of the pipe at the worst Pipe diameter and thickness mm Thickness In case that the pipe diameter is 012 7 mm or less and the thickness is less than 0 7 mm be sure to use the new pipes for works 3 The pipes are left as coming out or gas leaks Poor refrigerant There is
39. one at shipment from factory When to return the setting to one at shipment from the factory due to reinstallation and so on the setting can be returned in the following procedure 1 Check LED display is the initial status If it is not the initial status return the setting to the initial status 2 Push and hold SW800 for 5 seconds or more and then check D804 flashes slowly 3 Push SW800 several times to make LED display status to LED display to return the setting at shipment from the factory in the right table 4 Push and hold SW801 for 5 seconds or more and then check 0804 flashes slowly 5 Push and hold SW800 and SW801 simultaneously to return the LED display to the initial status LED display to return the setting at shipment from the factory ON OFF Rapid flashing 5 times second 2 Cooling only setting By changing setting of the jumper line the setting can be changed to a cooling only air conditioner Settin When using the machine as a ooling only SW800 SW801 setting air conditioner cut the left jumper line There is another method to change the machine to a cooling only air conditioner hann Vall ED i that is to DN code OF of the remote re Yellow controller 0802 0803 67 9 3 3 Service support function LED display service switch operating method 1 LED display switching 1 1 Display switching list The displayed
40. or 0805 is flashing push and hold SW800 and SW801 simulta neously for 5 seconds or more The error display changes to the error which is generated Check code LED display Wired remote controller Indoor unit Indoor unit lou raion 2802 loa valon eo before 3 after 4 series series 1 TD sensor error F04 F04 2 TE sensor error F06 F6 O 3 TL sensor error F06 F7 O 4 TO sensor error F08 F8 o O 5 TS sensor error F06 F12 O e 6 TH sensor error L29 Fiz e 7 sensor TS F15 8 EEPROM error 129 F31 e 9 Compressor breakdown H01 10 Compressor lock 2 o oe 11 Model unset L29 12 Discharge temp error P03 P03 o e 13 High pressure SW error 4 P4 14 Current detection circuit error H03 15 Power supply error P04 P5 16 Heat sink overheat error L29 P7 17 Gas leak detection L29 P15 18 4 way valve reversal error L29 P19 e 19 Boi protective P04 P20 e e Oo 20 Fan system error P22 P2 e ooo 21 Driving element short circuit P26 P26 O
41. 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 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping material and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 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 Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder os FS _ _______ _ B Nitrogen gas Rubber plug Fig 6 5 1 Prevention of oxidation during brazing 207 6 6 Instructions for Re use Piping of R22 or R407C Instruction of Works The existing R22 and R407C piping can be reused for our digital inverter R410A products installations NOTE Confirmation of existence
42. possibility that rain water or air including moisture enters in the pipe 4 Refrigerant recovery is impossible Refrigerant recovery by the pump down operation on the existing air conditioner There is possibility that a large quantity of poor oil or moisture remains inside of the pipe 5 Adryer on the market is attached to the existing pipes There is possibility that copper green rust generated 6 Check the oil when the existing air conditioner was removed after refrigerant had been recovered In this case if the oil is judged as clearly different compared with normal oil The refrigerator oil is copper rust green There is possibility that moisture is mixed with the oil and rust generates inside of the pipe There is discolored oil a large quantity of the remains or bad smell e large quantity of sparkle remained wear out powder is observed in the refrigerator oil 7 The air conditioner which compressor was ex changed due to a faulty compressor When the discolored oil a large quantity of the remains mixture of foreign matter or a large quantity of sparkle remained wear out powder is observed the cause of trouble will occur 8 Installation and removal of the air conditioner are repeated with temporary installation by lease and etc 9 In case that type of the refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil
43. refrigerant at connecting section of pipes the air is suctioned and causes further abnormal high pressure resulted in burst or injury Check after reinstallation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc Cooling check When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this
44. the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 1 Refer to the Definition of Qualified Installer or Qualified Service Person Declaration of Conformity Manufacturer Toshiba Carrier Corporation 336 Tadehara Fuji shi Shizuoka ken 416 8521 JAPAN Authorized Nick Ball Representative TCF holder Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type RAV SM1103AT E1 RAV SM1403AT E1 Commercial name Digital Inverter Series Air Conditioner Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A1 2009 Note This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent Disposal How to dispose of air conditioners with a rating of 12 kW and below in accordance with the 2002 96 EC Directive WEEE Waste Electrical and Electronic Equipment is provided in the Installation Manual supplied with your product For disposal of the product above 12 kW in rating you should use a registered company in accordance with any national or EU legislation lt Model names with a
45. to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs Be sure to execute ventilation If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may be generated After the installation or servicing work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may be generated Compulsion When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub room it is necessary that the density does not the limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period w
46. 2802 D803 0804 Open PMV Electronic expansion valve fully ti Execute the following item 6 or the control returns to operation normal operation after 2 minutes Refer Note 1 PMV full close D800 D801 D802 D803 D804 Close PMV Electronic expansion valve completely ti Execute the following item 6 or the control returns to normal operation after 2 minutes Refer Note 1 D800 D801 0802 0803 0804 Open PMV Electronic expansion valve to middle PMV middle position 250 pulses opening operation LOjojJolejo Execute the following item 6 or the control returns to normal operation after 2 minutes Refer Note 1 Indoor heating trial D800 ape DEO Uum control by executing operation command the following item 6 Refer Note 2 Carry a trial cooling operation Indoor cooling trial D890 D801 0804 The operation returns to the normal control by executing operation command the following item 6 Refer Note 2 D800 0801 0802 5803 Operate the fan motor forcedly Fan forced Execute the following item 6 or the control returns to operauon normal operation after 2 minutes Refer Note 1 Turn on 4 way valve power relay CN700 4 way valve relay D800 D801 D802 D803 o Execute the following item 6 or the control returns to normal operation after 2 minutes Refer Note 1 ON Q OFF Rapid flashing 5 t
47. 29 Po F e e 4 way valve reversal error P19 O O Highpressure protective operation P20 O Fansystemeror P2 P2 Fe s o pee B e Position detection circuit error O Jjotes Nodetermiatio t3 t3 OFF Rapid flashing 5 times second B Error display of the latest including error which occurs at present error LED display Error name D800 D801 D802 D803 D804 D805 aie Heat exchanger temp sensor TE error Liquid temp sensor TL error O Sutntemp sensor TS err 0 Oo e e Heat sink temp sensor TH error Heat exchanger sensor TS misconnection O Compressorbreakdown 3 e Model unset jDsagetemperor jHignprssueSWerr Curentdetetioncicuitero Powersupplyeror jHetsikoveheatero T I D e 4 way valve reversal error Highpressure protective operation o to felol ofS fori sonar shot seat Driving element short circuit
48. 3 Remove screws which fixes the piping panel Front and the bottom plate M4 Hexagon x 10 2 pcs 4 Remove screw of the piping panel Front and the piping panel Rear M4 Hexagon x 10 1 pc 5 Remove screws fixing the partition plate to the valve support plate M4 x 8 2 pcs 6 Remove the valve support plate M6 x 4 pcs 7 Remove screws of the partition plate and the bottom plate M4 x 8 1 pc 8 Remove screws of the partition plate and the heat exchanger M4 x 8 2 pcs 9 Remove the noise insulator 10 Remove the terminal covers of the com pressor and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal 11 Remove pipes connected to the compres sor with a burner N CAUTION Pay attention to that flame does not involve 4 way valve or PMV If doing so a malfunction may be caused 12 Pull the refrigerating cycle upward 13 Remove bolt fixing the compressor on the bottom plate 3 pcs 14 Pull the compressor toward you N CAUTION When reconnecting the lead wires to the compressor terminals after replacement of the compressor be sure to caulk the Faston terminal without loosening 87 Remarks i US Screw Valve support plate Partition plate Valve support plate Compressor lead wire Remove Suction pipe Sensor pipe cover Discharge pipe Compressor bolt 3 pcs Part name
49. 5 minutes OFF Output 24W or equivalent condition TD lt 30 C 2 Continuous power ON Output 24W or equivalent Continuous power ON Output 24W or equivalent REQUIREMENT While heating the coil the power sound may be heard However it is not a trouble 34 6 Short intermittent operation preventive control 1 For 3 to 10 minutes after operation start in some cases the compressor does not stop to protect the compressor even if receiving the thermostat OFF signal from indoor However it is not abnormal status The operation continuance differs according to the operation status 2 When the operation stops by the remote controller the operation does not continue 7 Current release value shift control Current release control value 11 A 1 This control purposes to prevent troubles of Temperature range the electronic parts such as the compressor 47 C TO driving elements and the compressor during cooling operation 2 The current release control value I1 is 39C s TO lt 4PC selected from the following table according to TO error TO sensor value 8 Over current protective control 1 When the over current protective circuit detected an abnormal current stop the compressor 2 The compressor restarts after 2 minutes 30 seconds setting 1 as an error count 3 When the error count 8 was found determine an error and restart operation is not performed 4
50. 800 to D803 Yellow D801 indicate slow flashing or when D805 flashes D804 Yellov push and hold SW800 and SW801 for 5 seconds or more simultaneously The error display ex OSEE changes to display of the error under occurrence at present Example of discharge temp sensor error ON OFF flashing 5 times second Display of the latest error The latest error is displayed by the following action As the memory is kept it is confirmed even after the Display of latest error power supply was turned off once Except outside Including the present error air temp sensor TO error D800 Yellow 1 Check D800 to D804 are turned off or rapid D801 flashing and D805 is turned on When D800 to D802 Yellow 0804 are slowly flashing or 0805 flashes push and D803 Yellow hold SW800 and SW801 for 5 seconds or more D804 Yellow simultaneously D800 to D804 will be turned off or D805 Green rapid flashing and D805 flashes 2 Push and hold SW800 for 5 seconds or more D804 ON O OFF Rapid flashing 5 times second changes to slow flashing 3 Push SW800 several times and change LED display D800 to D804 to Display of latest error Including the present error 4 Push SW801 The latest error is displayed 5 When finishing the work be sure to execute item 1 to return LED to the initial status Display of error under occurrence Yellow 49 Outdoor LED display Check and troubleshoo
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52. A Check indoor P C board Indoor EEPROM error EEPROM access error Stop Automatic reset Displayed when error is detected Check indoor EEPROM including socket insertion Check indoor P C board Communication error between indoor MCU Communication error between fan driving MCU and main MCU Stop Automatic reset Displayed when error is detected Check indoor board Regular communication error between indoor aster and follower units and between main and sub units Stop Automatic reset Displayed when error is detected 44 Check remote controller wiring Check indoor power supply wiring Check indoor P C board Error mode detected by outdoor unit The indoor unit check code has been ramified from 4 series and after The ramified check code is displayed only when combined with 4 series indoor unit Ex Combination of RAV SM1404UT E with RAV SM1403AT E1 When the indoor unit is 3 series and before the conventional check code is displayed Ex Combination of RAV SM1402CT E and RAV SM1403AT E1 Operation of diagnostic function Checkcode Indoorunit before after 3 series 4 series Cause of operation Status of Disconnection short of discharge temp sensor TD Stop air conditioner Condition Displayed when error is detected Judgment and measures Check discharge temp sensor TD Check outdoor P
53. C board Disconnection short of outdoor temp sensor TE Stop Displayed when error is detected Check temp sensor TE Check outdoor P C board Disconnection short of outdoor temp sensor TL Displayed when error is detected Check temp sensor TL Check outdoor board Disconnection short of suction temp sensor TS Stop Displayed when error is detected Check suction temp sensor TS Check outdoor P C board Miss mounting of outdoor temp sensor TE TS Stop Displayed when error is detected Check temp sensor TE TS Check outdoor P C board Disconnection short of outside temp sensor TO Continue Displayed when error is detected Check outside temp sensor TO Check outdoor board Disconnection short of heat sink temp sensor TH Stop Displayed when error is detected Check outdoor P C board IC200 is incorporated in TH sensor Outdoor P C EEPROM error Stop Displayed when error is detected Check outdoor P C board Unset jumper of service P C board Stop Displayed when error is detected Outdoor service P C board Check model type setting jumper wire Heat sink overheat error Heat sink temp sensor detected over specified temperature Displayed when error is detected Check screw tightening between P C Board and heat sink and check radiator grease
54. Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Definition of Protective Gear When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn Protective gloves Safety working clothing All types of work Gloves to provide protection for electricians and from heat Electrical related work Insulating shoes Clothing to provide protection from electric shock Work done at heights 50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Exp
55. Charge hose Vacuum pump adapter Vacuum evacuating Oo Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge 9 Leakage detector Gas leakage check Note When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools Vacuum pump Use vacuum pump by attaching vacuum pump adapter 7 Torque wrench 8 Pipe cutter 9 Reamer 10 Pipe bender 11 Level vial 12 Screwdriver Spanner or Monkey wrench Hole core drill Hexagon wrench Opposite side 4mm Tape measure Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester Megger 2 Thermometer 4 Electroscope 12 1 SPECIFICATIONS 1 1 Outdoor Unit Digital Inverter Model name Outdoor unit RAV SM1103AT E1 SM1403AT E1 Power supply 1 phase 230V 220 240V 50Hz Power exclusive to outdoor is required Type Hermetic compressor Compressor Motor Pole Refrigerant charged Refrigerant control Pulse moto
56. Check indoor P C board Defect Replace Is there no element which interfere heat exchange of indoor unit Clogging of filter Eliminate interfering element Clogging of heat exchanger Short circuit Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect Correct defective position 58 Outdoor LED display O00000 Check and troubleshooting Item without special mention Indicates part of outdoor unit Fan system error Is there no problem on power supply voltage Check wiring construction AC 198 to 264V Ask repair of power supply Does the fan rotate without trouble when rotating shaft of fan motor with hands during power OFF Is there no problem on coil resistance of fan motor Between red and white lead wire 12 to 200 Between white and black lead wire 12 to 200 Between black and red lead wire 12to 200 Check outdoor P C board Replace fan motor Defect Replace Single operation check for outdoor fan A single operation of the outdoor fan can be confirmed by handling the service switch SW800 SW801 Use this method to check whether there is trouble or not on the fan Method 1 Check D800 to D804 are turned off or rapid flashing and D805 is turned on When 0800 to D801 flash slowly or D805 flashes push and hold SW800 and SW801 for 5 seconds or more sim
57. 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 6 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 6 2 6 Tightening torque of flare for R410A Reference values Tightening torque of torque Nominal Outer diameter Tightening torque wrenches available on the market diameter mm kgf m 14 to 18 1 4 to 1 8 16 1 6 18 1 8 33 to 42 3 3 to 4 2 42 4 2 50 to 62 5 0 to 6 2 55 5 5 63 to 77 6 3 to 7 7 65 6 5 100 to 120 10 0 to 12 0 T 6 3 Tools 6 3 1 Required Tools Refer to the 4 Tools 6 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recove
58. Hz 0 36 0 Over 55 8 Hz 2 tap 20 seconds up to W1 MAX MAX MAX 21 C 10 C lt TO 1 tap 20 seconds up to W1 5 TO lt 10 s Rotational frequency hold 3 lt lt 5 10 C lt TO lt 3 C TO lt 10 C TO error 1 tap 20 seconds up to Max tap of each zone 5 Coil heating control 1 This control function heats the compressor by turning on the stopped compressor instead of a case heater It purposes to prevent stagnation of the refrigerant inside of the compressor 2 As usual turn on power of the compressor for the specified time before a test run after installation otherwise a trouble of the compressor may be caused As same as a test run it is recommended to turn on power of the compressor beforehand when starting operation after power of the compressor has been interrupted and left as it is for a long time 3 A judgment for electricity is performed by TD and TO sensors If TO sensor is defective a backup control is automatically performed by TE sensor For a case of defective TO sensor judge it with outdoor LED display 4 For every model the power is turned off when TD is 30 C or more Normal time TE In defective TO sensor No power No power 1 Intermittent power ON e Power ON 10 minutes ON condition 5 minutes OFF TD 30C 0 Output 24W or equivalent Intermittent power ON 10 minutes ON
59. NGE 43120224 FAN PROPELLER PE492 1 1 4312C090 MOTOR FAN WDF 340 A100 1 4314G308 CONDENSOR ASSY 43100347 PANEL FRONT PIPING ROHS 43100345 PANEL BACK PIPING ROHS 43119390 HANGER 43141519 COMPRESSOR DA422A3F 12M 43F50407 THERMOSTAT BIMETAL 43F63317 HOLDER THERMOSTAT 43160625 LEAD ASSY COMPRESSOR 43100343 BASE ASS Y ROHS 43197183 BOLT COMPRESSOR 43149324 RUBBER CUSHION 43F46500 VALVE 4WAY STF H0218 43146749 COIL SOLENOID STF H01AJ1949A1 43146634 VALVE PULSE MODULATING 43046494 COIL PMV ASSY 43148170 ACCUMULATOR ASS Y 43146686 VALVE PACKED 9 52 43146724 VALVE BALL SBV JA5GTC 1 ROHS 43F47401 BONNET 3 8 IN 43194029 BONNET 5 8 IN 43151301 SWITCH PRESSURE 43158231 REACTOR 43F19904 HOLDER SENSOR TS 43F63188 HOLDER TC SENSOR 43063332 HOLDER SENSOR 4314Q068 STRAINER ROHS 4314Q033 STRAINER ROHS 43F89160 43F32441 CAP WATERPROOF NIPPLE DRAIN 91 Inverter assembly 709 704 706 701 TD p TS T 706 702 TO
60. Qualified Installer or Qualified Service Person The air conditioner must be installed maintained repaired and removed by a qualified installer or qualified Service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Qualifications and knowledge which the agent must have Qualified The qualified installer is a person who installs maintains relocates and removes the air installer 1 conditioners made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus
61. Refrigerant charge 2 Flare machining size A Gas leak check opper pipe outer dia 06 4 ForR410A 9 1 Trial run For R22 m Becomes large a little for R410A Do not apply the refrigerator oil to the flare surface 29 6 6 6 Handling of Existing Pipe When using the existing pipe carefully check it for the following Wall thickness within the specified range Scratches and dents Water oil dirt or dust in the pipe Flare looseness and leakage from welds Deterioration of copper pipe and heat insulator Cautions for using existing pipe Do not reuse the flare to prevent gas leak Replace it with the supplied flare nut and then process it to a flare Blow nitrogen gas or use an appropriate means to keep the inside of the pipe clean If discolored oil or much residue is discharged wash the pipe Check welds if any on the pipe for gas leak When the pipe corresponds to any of the following do not use it Install a new pipe instead The pipe has been open disconnected from indoor unit or outdoor unit for a long period The pipe has been connected to an outdoor unit that does not use refrigerant R22 R410A or R407C The existing pipe must have a wall thickness equal to or larger than the following thickness Reference outside diameter Wall thickness mm mm Never use any pipe with a wall thickness less than these thicknesses due to insufficient pressure capacity 30
62. TOS H FILE NO A11 016 1 Revision 1 Mar 2012 evision 1 Mar SERVICE MANUAL AIR CONDITIONER SPLIT TYPE OUTDOOR UNIT DIGITAL INVERTER RAV SM1103AT E1 RAV SM1403AT E1 HFC IN JAPAN Mar 2012 CONTENTS for Safety e 6 New Refrigerant 4104 11 Ts SPECIFICATIONS 13 Outdoor EA 13 1 2 Characteristic Curve e aaas 14 2 CONSTRUCTION VIEWS EXTERNAL VIEWS e eere eene 15 3 REFRIGERATING CYCLE DIAGRAM 17 A WIRING DIAGRAM opa Dara cuna deca erue 19 5 SPECIFICATIONS OF ELECTRICAL PARTS occu o 20 b REFRIGERANT H TIOA 21 6 1 Safety During Installation Servicing 21 6 2 Refrigerant Piping Installation 21 c 25 6 4 Recharging of Refrigerant
63. The cause is considered as excessively little amount of refrigerant PMV error or clogging of the cycle 3 For displayed contents of error confirm on the check code list TD Abnormal stop 111 Frequency normal down 109 Frequency slow down 106 Frequency hold 103 Frequency slow up Up to command 96 As command is 32 3 Current release control The output frequency and the output voltage are controlled by AC current value detected by T20 on the outdoor P C board so that input current of the inverter does not exceed the specified value Current A Frequency down I1 Objective model Hold COOL HEAT COOL HEAT I1 0 5 Normal operation 4 Outdoor fan control Allocations of fan tap revolutions rpm 4 1 Cooling fan control 1 An outdoor fan is controlled by TL sensor TO sensor and operation frequency An outdoor fan is con trolled at 1 tap interval of DC fan control 2 At the start time the fan is fixed for 60 seconds only with the maximum fan tap corresponded to the zone in the following table but it is controlled with TL sensor temperature after then Over 30 0 Under 30 0 Hz under 43 8 Hz Over 43 8 Hz Temp range Under 34 2 Hz 347 Over 52 2 Hz MIN MAX MIN MAX MIN MAX TL WF tap 58 C 38 C lt TO we wB wg SMIOWD wa 5 110400 SM140 WF SM140 WF SM110 WD
64. a corrugated card board cloth etc to prevent flaw to the product 3 Remove screws fixing the bell mouth M4 x 8 2 pcs 4 Remove the bell mouth 5 Remove the hooking claws by pushing with minus screwdriver along with the arrow mark as shown in right figure 2 Attachment 1 Insert claw of the fan guard in hole of discharge port cabinet Push the hooking claws 5 positions with hands and fix the claws After all the attachment works are completed check that all the hooking claws are fixed to the specified posi tions 2 Mount the bell mouth by hooking three claws at upper side of the bell mouth in the slits on the discharge port cabinet 3 After attachment fix the bell mouth with screws M4 x 8 2 pcs 89 Remarks 7t Discharge port cabinet Hooking claw Discharge port cabinet Claw 3 positions 14 EXPLODED VIEWS AND PARTS LIST NX 90 Location No 43005727 Description CABINET AIR OUTLET Model Name RAV SM1103AT E1 SM1403AT E1 43100350 CABINET FRONT ASSY ROHS 43100349 CABINET SIDE ASSY ROHS 4310A009 PLATE ROOF 4301V071 GUARD FIN 43191651 GUARD FAN 43122065 BELL MOUTH joo a AJOIN 43F47669 NUT FLA
65. al Sensor error Replace Check outdoor board Defect Replace There is a possibility that it is one of the following errors Confirm LED on outdoor P C board to judge which error it is Heat exchanger temp sensor TE error Heat exchanger temp sensor TL error Suction temp sensor TS error Miswiring of heat exchanger sensor TE TS TL ox XX Jor J Heat exchanger temp sensor TE error Is CN603 connection normal Correct connector Is resistance value of TE sensor normal Sensor error Replace Check outdoor P C board Defect Replace Heat exchanger temp sensor TL error Refer to F07 column Suction temp sensor TS error Refer to F12 column Oeeooo0 O00000 000000 Miswiring of heat exchanger sensor TE TS Refer to F15 column O00000 Heat exchanger temp sensor TL error Is CN605 connection normal Correct connector Is resistance value of TL sensor normal Sensor error Replace Check outdoor P C board Defect Replace 51 Outdoor LED display O00000 Check and troubleshooting Item without special mention Indicates part of outdoor unit Outside air temp sensor TO error Is CN602 connection normal Is resistance value of TO sensor normal Correct connector Sensor error Replace Check outdoor P C board Defect
66. alkyl benzene HAB Barrel freeze ester series PVE only of ether series Winding insulation of the compressor may become inferior NOTE The above descriptions are results of confirmation by our company and they are views on our air conditioners but they do not guarantee the use of the existing pipes of the air conditioner that adopted R410A in other companies 6 6 3 Branching Pipe for Simultaneous Operation System In the concurrent twin system when TOSHIBA specified branching pipe is used it can be reused Branching pipe model name RBC TWP30E2 RBC TWP50E2 On the existing air conditioner for simultaneous operation system twin system there is a case of using branch pipe that has insufficient compressive strength In this case please change it to the branch pipe for R410A 6 6 4 Curing of Pipes When removing and opening the indoor unit or outdoor unit for a long time cure the pipes as follows Otherwise rust may generate when moisture or foreign matter due to dewing enters in the pipes The rust cannot be removed by cleaning and a new piping work is necessary Place position Curing manner 1 month or more Pinching Outdoors Less than 1 month Pinching or taping Indoors Every time 28 6 6 5 Final Installation Checks Is there no scratch or dent on the existing pipes Existing pipe NO Use a new pipes TE v NO Is it possible to operate the existing air conditioner
67. als and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 6 2 1 Never use copper pipes thinner than 0 8mm even when it is available on the market NOTE Refer to the 6 6 Instructions for Re use Piping of R22 or R407C 21 Table 6 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 1 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer dia
68. ause NO Is CN601 connection normal Correct connector Is resistance value of TD sensor normal Sensor error Replace YES Check outdoor P C board Defect Replace 54 Outdoor DCheck and troubleshooting LED display Item without special mention Indicates part of outdoor unit There is a possibility that it is one of the following errors Confirm LED on outdoor P C board to judge which error it is 1 high pressure SW system error 2 power supply error Vdc 3 high pressure protective operation High pressure SW system error Power supply error Vdc High pressure protective operation a Doesn t high pressure switch Wiring check operate Is circuit wiring normal Correct YES O00000 Are parts of Parts check high pressure switch normal Defective Replace YES NO Is service valve fully opened Open service valve fully YES Reset the power supply and B Cooling operation then do a test operation according Season C lt Heating operation Check outdoor PC board Cooling operation Defective Replace Does cooling outdoor fan Is there no fan breakage normally operate or coming off Repair defective position Connection of connectors outdoor P C board Fan motor Wiring Is there any element which blocks heat exchanger AE of the outdoor unit M Clogging of heat exchan
69. ay CODE No Data name CODE No Data name Room temperature Outdoor heat exchanger Coil temperature TE Remote Outside temperature Indoor suction temperature TA Compressor discharge temperature TD Indoor heat exchanger Coil t T temperature TCJ Compressor suction temperature TS Heat sink temperature TH Indoor heat exchanger Coil temperature TC Operation current x 1 10 Indoor fan revolution frequency Outdoor heat exchanger Coil temperature TL Indoor fan calculated operation time Compressor operation frequency Filter sign time Outdoor fan revolution frequency Lower Indoor discharge temperature 1 Outdoor fan revolution frequency Upper 4 way only Compressor calculated operation time Outdoor unit data 5 o 3 The CODE No with marks in the above table are displayed only on the indoor units of 4 series models and after 4 series indoor units mean RAV SM1404UT E for example The indoor discharge temperature of CODE No F8 is the esti mated value from TC or TCJ sensor Use this value to check discharge temperature at test run A discharge temperature sensor is not provided to this model The data value of each item is not the real time but value delayed by a few seconds to ten odd seconds 5 3 button to select the indoor unit to be monitored Each data of the indoor unit and its outdoor units can be monitor
70. buttons set to the CODE No Using timer time C buttons set 2000 to Individual 000 to Master unit and 2002 to sub unit Push C button OK when display goes on Push button Setup completes The status returns to the usual stop status a COND ARG SET DATA 2 5 8 END 77 3 6 9 4 7 10 TIMER TIME E SET CL 1 Operation procedure 1 2 3 4 5 6 7 8 9 10 11 END 10 5 Confirmation of Indoor Unit No Position 1 To know the indoor unit addresses though position of the indoor unit body is recognized In case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation g e TEMP ON OFF C Ca Procedure Push 299 button if the unit stops UNIT LOUVER Push button Unit No is displayed on LCD It disappears after several seconds The displayed unit No indicate line address and indoor unit address When other indoor units are connected to the identical remote controller Group control unit other unit numbers are also displayed every pushing 2 UNIT LOUVER button 1 Operation TIMER SET Coo TIME RE TEST SET CES os UNIT LOUVER MODE ME a m V E 5 lt 5 4 D i lt Operation procedure gt 1 2 END 78
71. cified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recovering device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Cabling After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side Insulator check After the work has finished be sure to use an insulation tester set 500V Megger to check the resistance is 1M or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Ventilation When the refrigerant gas leaks during work execute ventilation If the refrigerant gas touches
72. contents of LED D800 to D805 on the outdoor P C board can be switched by handling the service switches SW800 and SW801 Operating method 1 Check LED display is the initial status If it is not so set the initial status 2 Push SW800 several times and then stop it at the point where LED display to be indicated LED display Control contents 5800 2801 2802 D803 0804 0805 Error display Error which is occurring at present The error which is occurring at present is displayed LED goes off while an error does not occur Refer to A Error display The latest error The latest error including this moment D803 D804 0805 After error status was eliminated if you want to check the error which occurred before call this setting and check it Even after turning off the power supply once you can recheck it In the case that an error occurred at present the same contents as that at present is displayed TO sensor error only is not displayed in this setting Check setting which is occurring at present Refer to B Discharge temperature sensor TD display Detected value of the discharge temperature TD is displayed Outdoor heat exchanger temperature sensor TE display Detected value of the outdoor heat exchanger temperature sensor TE is displayed Refer to C Liquid temperature sensor TL display The detected value of the liquid temperature sensor TL is displayed Refer to C Refer to C Suctio
73. ctrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies place Keep out signs around the work site before proceeding Third party individuals may enter the work site and receive electric shocks if this warning is not heeded Insulating measures Connect the cut off lead wires with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side When performing repairs using a gas burner replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Refrigerant The refrigerant used by this air conditioner is the R410A Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use refrigerant the refrigerant name is indicated at a position on the outdoor unit
74. d when error is detected Check setting of central control system network address Network adapter SW01 Check network adapter P C board Central controller Send C05 Receive Communication circuit error of central control system Detected by central controller side Continues By remote controller Displayed when error is detected Check communication wire miswiring Check communication U3 U4 terminals Check network adapter P C board Check central controller such as central control remote controller etc Check terminal resistance TCC LINK Central controller Indoor Gr sub unit error Detected by central controller side Continuation Stop According to each case Displayed when error is detected 2 The check code cannot be displayed by the wired remote controller Usual operation of air conditioner becomes unavailable For the wireless models an error is notified with indication lamp x3 This trouble is related to communication of remote controller A B central system TCC LINK U4 and E01 E02 203 E09 or E18 is displayed or no check display on the remote controller according to the contents 47 Check the check code of the corresponding unit from remote controller Contents Error Display When fixations of the errors were overlapped the latest error is displayed When D800 to D804 are slowly flashing
75. detection circuit error Check outdoor P C board Defect gt Replace No code O Other error Compressor disorder due to sudden change of load etc Although the display of outdoor LED outputs the unit automatically restarts and error is not determined A code may not appear when an open phase shortage coming out of wires or power relay trouble occurred 60 Temperature sensor Temperature Resistance value characteristic table TA TC TCJ TE TS TO sensors TD TL sensors Representative value Representative value Temperature Resistance value kQ Temperature Resistance value Minimum value Standard value Maximum value C Minimum value Standard value Maximum value TA TC TCJ TE TS TO sensors Resistance Output voltage V 0 10 20 30 40 50 60 70 80 90 100 Temperature TD TL sensors Resistance 50 or lower Resistance 50 or higher 0 0 10 20 30 40 50 60 70 80 90 100 Temperature As TH sensor Outdoor unit heat sink temp sensor is incorporated in the outdoor control P C board the resistance value cannot be measured 61 Table Inspection of outdoor unit main parts Parts name Compressor Model DA422A3F 12M Checking proced
76. e nut Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installation of the air conditioner However clear impurities when using them eu 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Whether conventional equipment can be used Existence of Whether conventional new equipment for RA10A equipment can be used Flare tool Pipe flaring Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Torque wrench Tightening of flare nut Gauge manifold Evacuating refrigerant charge run check etc
77. e sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair may result in water leakage electric shock and fire etc 6 2 Refrigerant Piping Installation 6 2 1 Piping Materi
78. ed 5 4 Pushing 2 button returns the status to the usual display UNIT LOUVER 41 dnjes sseuppe OLNY syys eui paun sem Ajddns Jemod ystu xoeuo sseJppe uononujsuoo peioejep sem Bulusem Siy ueuM lt gt SL 31 dn Jo 1 yeay jo umop dwa pejoejep sew 10119 ul Joopino Joopu indui episino Aq dois euujouqy Joopu 0 esun Joopul jo Ajjoedeo Joopu Ayoedeo 1oopur asun yesun sem Joopu Joopu 1 zasun JOOPU 81 Joopur uonoeuuoo euo Joopu ui spun 1 Joopu lt jun ejqeo dnoj4 aay L lt spun 1 ejgissoduui sem qns pue SUN Joopul pue 1 1 ejqissoduur sew Joopu SUN 100 1 10119
79. edure eeeessiieeeiseeeesisee nn nn nana nnn as snm R unas anas nnn nuns 73 10 2 Address Setup amp Group Control eese enne nennen hann nnn nnns 74 10 3 Remote Controller 77 10 4 Address Setup Manual setting from remote controller 77 10 5 Confirmation of Indoor Unit No Position nennen nnn nnn nnne 78 11 REPLACEMENT OF THE SERVICE P C BOARD 1630 80 12 HOW TO EXCHANGE 2 81 12 1 Exchanging Procedure of Compressor Outline 81 12 2 Exchange of COmpresSOr e erento nome eere nn acce annnm kk iine uude ck kae SURE Rana caa Ren 81 13 DETACHMENT S 82 14 EXPLODED VIEWS AND PARTS ax erue P Sor 90 Original instruction Please read carefully through these instructions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and ensure that you understand them Generic Denomination Air Conditioner Definition of
80. el during parts replace stick it as the original Warning indication Description WARNING WARNING ELECTRICAL SHOCK HAZARD E drs Disconnect all remote electric power supplies Disconnect all remote electric before servicing power supplies before servicing WARNING WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing High temperature parts High temperature parts You might get burned when removing You might get burned when removing this panel this panel CAUTION CAUTION Do not touch the aluminum fins of the unit Doing so may result in injury Do not touch the aluminum fins of the unit Doing so may result in injury CAUTION BURST HAZARD BURST HAZARD Open the service valves before the Open the service valves before the operation operation otherwise there might be the otherwise there might be the burst burst Precaution for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual DANGER Turn off Before carrying out the installation maintenance repair or removal work be sure to set the circuit breaker to the OFF position Otherwise electric shocks may result Before opening the intake grille of the indoor unit or service panel of the outdoor uni
81. g SW901 changes item to one to be displayed 4 To see other display contents repeat items 1 to 3 5 To finish LED display be sure to execute item 1 to return LED to the initial status error display of current occurrence and then finish LED display 68 1 2 Error display The error which is occurring at present and the latest error the latest error data including one which is occur ring now can be confirmed by lighting LED D800 to D805 on the outdoor control P C board A Error which occurs at present LED Wired Errorname Indoor units Indoor units D800 D802 D803 D804 D805 e uL ss Discharge temp sensor TD error Heat exchanger temp sensor TE error ae Liquid temp sensor TL error Outside temp sensor TO error Oo E RECHT DL ders ore Heat sink temp sensor error aa 0 01 90 Heat exchanger sensor TE TS misconnection F15 ES FN Fo O e 0 e9 O nrsbedw mo Ho Ho Modlunsct 9 uo O Pos o te o o o Hos koa o Current detection circuit error mamm 1
82. ger 9 Short circuit Overcharge of refrigerant Clogging Pipe breakage Abnormal overload C Heating operation Does the heating indoor fan Are connections of normally operate connectors capacitors and fan motor normal Is there any element which M Filter clo ond Elimination of Repair Clogging ot a exchanger blocking element defective position 8 Short circuit Clogging by refrigerant Are characteristics overcharge Pipe breakage of TC and TCJ sensor Abnormal overload resistance value normal Check indoor P C board Replace Defective Replace TC or TCJ sensor 55 Outdoor LED display Check and troubleshooting Item without special mention Indicates part of outdoor unit Power supply error Vdc Refer to P05 column O00000 oooeeo O00000 High pressure protective operation gt Refer to P20 column Power supply error Voltage error Is there no down or up of power supply voltage AC198 to 264V Confirm electric construction etc Check outdoor P C board Defect Replace e e O Heat sink overheat error Is there no loosening of screws of motor drive element of outdoor P C board IC200 Did not forget to apply radiation grease to rear side of IC200 Is not the venti
83. hich may result in refrigerant leakage Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused Check after repair Once the repair work has been completed check for refrigerant leaks and check the insulation resistance and water drainage Then perform a trial run to check that the air conditioner is running properly After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker After repair work installation of front panel and cabinet has finished execute a test run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet 9 Do not operate the unit with the valve closed Check the following matters before a test run after repairing piping Connect the pipes surely and there is no leak of refrigerant The valve is opened Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of
84. imes second Note 1 Although these special operations are available even operating time basically carry out these operations while the machine stops If carrying out these operations the pressure may change suddenly and a danger may grow Note 2 Indoor trial cooling operation request Indoor trial heating operation request Cooling heating trial operations are available from the outdoor unit only in combination with the following indoor units Trial operation is available Indoor units after 4 series RAV SM3exexk4 T E Trial operation is unavailable Indoor units except the above units or in case that the indoor units except the above units are included at twin connection Note The forced trial operation in this setting cannot be cleared by the indoor remote controller Be sure to clear it by operation of the outdoor unit 6 below 4 Push SW801 and then stop it at point where D805 becomes rapid flashing 5 Push and hold SW801 for 5 seconds or more D804 changes to slow flashing D805 changes lighting and then the special operation becomes valid 6 To invalidate various settings push and hold SW800 and SW801 for 5 seconds or more simultaneously D800 to D804 go off or rapid flashing D805 goes on Initial status Display of error which is occurring at present and then the special operation becomes invalid normal control unknown point generated on the way of the operation push and hold SW800 and SW801 for 5 second
85. ing status is released by system start Reboot when power is fed on the way By feed unit Automatic address judgment gt Not normal Gr construction check Normal YES Gr normal 1 There is no duplicated indoor unit address 2 There is no invalid indoor unit address 3 Individual unit and master follower units are not intermingled 4 Only a unit for individual 5 A master indoor unit and 1 or more follower indoor units for Gr System start Automatic address starts Approx 1 minute up to finish 3 minutes elapse Initial communication Outdoor model distinction 10 seconds Indoor unit Cautions at test run Twin Master follower distinction Indoor unit Gr construction louver information Remote controller Power supply Indoor Outdoor serial and Gr wiring OK Powers of all indoor units are turned on within 3 minutes Reception time for remote controller operation After power supply was turned on 1 When address is OK Approx 50 seconds 2 In AUTO address Approx 4 to 5 minutes Remote controller operation is available Approx 50 seconds after power ON Usual regular communication Regular communication between indoor units Every 30 seconds Master Follower Regular communication on the identical pipe every 30 seconds Twin Master Follower When the above status changes immediately communicates Repetition In a group operatio
86. iron copper or copper alloy and is relatively expensive 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 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 2 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 By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler n the brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 26 2 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize t is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating
87. lanation of indications Indication Explanation DANG ER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the WARNING repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Warning Indications on the Air Conditioner Unit Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions If removing the lab
88. lating sheet it adheres temporarily to the heat sink which makes it easy to attach the insulating sheet 3 Reuse the sub heat sink Applying thermal grease to the surface and the back of the sub heat sink 4 Insert the P C board align the holes of the insulating sheets semiconductor devices and heat sinks and then secure them with screws Tighten the screw A at the end 5 Connect the lead wires according to the wiring diagram sticked on the backside of the panel Apply thermal grease to the back Reuse the insulating sheet Reuse the sub heat sink heat sink contacting side of Applying thermal grease to the back Applying thermal grease to the surface 1 200 and 12300 of the insulating sheet makes it and the back of the sub heat sink easy to attach the insulation sheet 80 12 HOW TO EXCHANGE COMPRESSOR 12 1 Exchanging Procedure of Compressor Outline START Has refrigerant recovery work been done NO Open forcedly and then recover refrigerant using a refrigerant recovery unit Never recover the refrigerant to the outdoor unit For the refrigerant recovery work during reinstallation of repair work be sure to use the refrigerant recovery unit Recovery of refrigerant to the outdoor unit is unavailable otherwise a serious accident such as explosion or injury may be caused lt m
89. lation flue of the heat sink blocked Is not the fan blocked Short circuit etc Apply radiation grease to objective part Retightening of screws Remove blocking matter Correct short circuit Check outdoor P C board Defect Replace O00000 Gas leak detection Is there no gas leak Is refrigerant charge amount adequate normal Is valve fully opened Is there no crushed pipe NO Check temp sensor TD sensor CN601 TS sensor CN604 Repair defective position Recharge refrigerant Correct defective position Replace defective part Open valve fully Correct and replace piping Correct connector Sensor error Replace 56 Check outdoor board Defect Replace Outdoor Check and troubleshooting LED display Item without special mention Indicates part of outdoor unit 4 way valve reversal error Is operation of 4 way valve P normal d Is power supply to 4 way NO Replace coil Check pipe temp and etc in valve coil normal of 4 way valve cooling heating operation oooeoo Is power supply to 4 way valve coil in heating Are temperature sensor normal TE sensor CN603 TS sensor CN604 Replace TE sensor Replace TS sensor Check outdoor P C board OK Is refrigerant flow by Check and PMV normal replace of PMV Check outdoor PC
90. lified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below Do not touch the aluminum fin of the outdoor unit You may injure yourself if you do so If the fin must be touched for some reason first put on protective gloves and safety work clothing and then proceed Use forklift to carry in the air conditioner units and use winch or hoist at installation of them Do not climb onto or place objects on top of the outdoor unit You may fall or the objects may fall off of the outdoor unit and result in injury When transporting the air conditioner wear shoes with additional protective toe caps When transporting the air conditioner do not take hold of the bands around the packing carton You may injure yourself if the bands should break When transporting the air conditioner use a forklift and when moving the air conditioner by hand move the unit with 4 people Do no
91. lower units It is not influenced by the line 2 or 3 address indoor unit 75 10 2 3 Automatic Address Example from Unset Address No miswiring 1 Standard One outdoor unit 1 Single 2 Twin 1 2 1 1 Sub Follower Only turning on source power supply Automatic completion 2 Group operation Multiple outdoor units Multiple indoor units with serial communication only without twin Max 8 units Only turning on source power supply Automatic completion 3 Multiple groups operation Change is necessary Manually change addresses of the multiple follower units simultaneously from the remote controller 76 10 3 Remote Controller Wiring Strip off approx 9 mm the wire to be connected For single system use non polarity 2 core wire is used for wiring of the remote controller 0 5 mm to 2 0 mm wires For the synchronous twin triple system use 2 conre shield wire Vinyl cord for microphone 0 5 to 2 0 mm to conform to the EMC standard Single system Remote controller Indoor side Indoor Outdoor connecting wires Outdoor side Power supply Wiring diagram Terminal block for remote controller Terminal block wiring of indoor unit A Remote controller Remote controller wire Procured locally For details of wiring installation of the remote controller refer to the Installation Manual enclosed with the remote cont
92. ls who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba
93. m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit while the air conditioner is running Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the agent Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner otherwise it may cause imperfect combustion Explanations given to user f you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the OFF position and contact a qualified service person to have the repairs done Do not set the circuit breaker to the ON position until the repairs are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside
94. me In this case the max capacity lowers Max compressor frequency rps ON Q OFF Rapid flashing 5 times second 4 Push SW801 so that D805 will flash rapidly 5 Push and hold SW801 for 5 seconds or more D804 changes to slow flashing D805 changes to lighting and then various settings are validated 6 When you want to continue the settings moreover repeat items from 3 to 5 7 To invalidate various settings execute items 1 to 3 push SW801 and then turn off D805 8 Push and hold SW801 for 5 seconds or more D804 changes to slow flashing D805 is turned off and then various settings are invalidated f an unknown point generated on the way of the operation push and hold SW800 and SW801 for 5 seconds or more simultaneously You can return to the item 1 Confirmation method of various settings You can confirm that various settings are validated 1 Check LED displays are in the initial status If it are not so return them to the initial status 2 Push and hold SW800 for 5 seconds or more D804 changes to slow flashing 3 Push SW800 several times and then stop it at the point where LED display D800 to D804 to be checked If the setting became valid D804 and D805 flash rapidly When the setup was invalid D804 flashes rapidly and D805 goes off 4 Push SW800 and SW801 for 5 seconds or more simultaneously to return LED display to the initial status 66 In the case to return the setting to
95. meter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 6 2 3 to 6 2 5 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 6 2 2 Table 6 2 2 Minimum thicknesses of socket joints Reference outer diameter of Nominal diameter 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 lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing Procedures and Precautions 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 22 C Insertion of Flare Nut d Flare Processing Make certain that
96. n if the indoor unit which was fed power after judgment of automatic address cannot receive regular communication from the master unit and regular communication on identical pipe within 120 seconds after power was turned on it reboots system reset The operation starts from judgment of automatic address Gr construction check again If the address of the master unit was determined in the previous time the power fed to the master unit and reboot works the master unit may change though the indoor unit line address is not changed 64 9 3 Outdoor Unit Various displays and various operations are enabled by push buttons service switches and LED on the outdoor control P C board Service switch SW800 SW801 operations LED display 4 patterns are provided for LED display ON OFF Rapid flashing 5 times second lt Slow flashing Once second In the initial status of LED display D805 is ON as the right figure When the initial status does not appear in case of flashing of D805 LED display can be returned to the initial status by pushing and holding the service switches SW800 and SW801 for 5 seconds or more simultaneously LED display Initial status LED Yellow OFF or rapid flashing Yellow OFF or rapid flashing Yellow OFF or rapid flashing Yellow OFF or rapid flashing Yellow OFF or rapid flashing Green ON L 9 3 1 Refrigerant recovery con
97. n temperature sensor TS display Detected value of the suction temperature sensor TS is displayed Refer to C Outside temperature sensor TO display Detected value of the outside temperature sensor TO is displayed Refer to C Heat sink temperature sensor TH display D800 Detected value of the heat sink temperature sensor TH is displayed Refer to C 2800 801 802 6804 0805 Current display The current value which flows to the outdoor unit is displayed e O Refer to C 2800 0801 2802 2803 2804 9805 operation frequency display 1 0 The operation frequency of the compressor is displayed Refer to C The opening of PMV Electronic expansion valve is displayed D800 D801 D802 D803 D804 0805 PMV opening display 10 Refer to C 2800 D801 08031 D804 D805 Indoor suction temperature sensor TA display re The detected value of the indoor suction temperature sensor TA is displayed Refer to C Indoor heat exchanger temperature sensor TC display D803 D804 E The detected value of the indoor heat exchanger temperature sensor TC is displayed Refer to C Indoor heat exchanger temperature TCJ display The detected value of the indoor heat exchanger temperature sensor TCJ is displayed Refer to C ON OFF Rapid flashing 5 times second 3 Pushin
98. nt so be careful that water dust and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 6 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materials exclusive for it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant The refrigerant R410A is indicated on the visible place of the outdoor unit of the air conditioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 refrigeration gas leakage occurs during installation servicing b
99. oor P C board Defect Replace Oeooee Compressor lock Is power supply voltage normal AC198 to 264V YES Is wire connection normal Compressor lead P C board side Compressor side Reactor lead Power supply lead YES Is compressor normal NO Is there no refrigerant stagnation YES S Does PMV normally operate YE 53 Correct power supply line Check wire connection and correct it Check outdoor P C board Defect Replace NO Compressor lock Replace Check TE TS sensors and PMV Defect Replace Check outdoor P C board Defect Replace Check Outdoor Check and troubleshooting code LED display Item without special mention Indicates part of outdoor unit H03 Current detection circuit error Check outdoor P C board Defect Replace O L10 e Unset model type Only when service P C board is used e Cut jumper line according to the explanation sheet packaged with the service P C board Discharge temp error e Is there no gas leak NO Repair defective position e Is refrigerant charge amount adequate Recharge refrigerant e O YES Is PMV normal NO Repair defective position Replace defective part YES YES Is it not abnormal overload Correct and clear the c
100. oor central addresses Simultaneous flash Outside interlock error 1 These are representative examples and the check code differs according to the outdoor unit to be combined 8 2 2 Others Other than Check Code Lamp indication Check code Cause of trouble occurrence Operation Timer Ready During test run Simultaneous flash Operation Timer Ready Disagreement of cool heat AN as Automatic cool heat setting to automatic cool heat prohibited model or Ld setting of heating to cooling only model Alternate flash g g g only 40 8 2 3 Monitor Function of Remote Controller Switch B Calling of sensor temperature display Contents Each data of the remote controller indoor unit and outdoor unit can be understood by calling the service monitor mode from the remote controller Procedure lt RBC AMT32E gt 1 Push buttons simultaneously for 4 seconds to call the service monitor mode The service monitor goes on the master indoor unit No is displayed at first and then the temperature of CODE No 20 is displayed DON TIMER SET FAN MODE 2 Push temperature set 88 buttons and then change C 5 C82 the CODE No of data to be monitored FILTER RESET TEST SET CL SWING FIX UNIT LOUVER The CODE No list is shown below 9 2 4 1 3 Operation procedure 1 2 3 4 Returned to usual displ
101. or unit are deleted 9 2 Group Control Operation TIMER SET Coo TIME eo FILTER RESET TEST SET CL 2 31 Operation procedure 1 2 3 Returned to usual display In a group control operation of maximum 8 indoor units can be controlled by a remote controller The indoor unit connected with outdoor unit Individual Master of twin controls room temperature according to setting on the remote controller System example 1 Remote controller Display range on remote controller IN OUT IN 8 The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the master unit is reflected on the remote controller Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic address If power of the indoor unit is not turned on within 3 minutes completion of automatic address setting the system is rebooted and the automatic address setting will be judged again 1 Connect 3 In Out cables surely 2 Check line address indoor address group address of the unit one by one 3 The unit No line indoor gout address which have been set once keep the present status as a rule if the unit No is not duplicated with one of another unit 63 B indoor unit power ON sequence The unit without power feed waits entirely Wait
102. ou can return to the item 2 65 9 3 2 Various settings on outdoor unit Existing piping power save cooling only etc 1 Service switch setting Various settings are available by setting service switches Operating method 1 Check LED display is the initial status If it is not so set the initial status 2 Push and hold SW800 for 5 seconds or more and then check D804 flashes slowly 3 Push SW800 several times and then stop it at the LED display of function item to be set up LED display Existing pipes When the existing piping uses 019 1 pipe this function is validated setting In this case the heating capacity may drop due to outside temp and indoor temp in heating time Power save This function validates the power save function This function lowers setting D800 D801 2802 D803 D804 the compressor frequency In this case the Max capacity drops O Approx 10 Snow break 5800 This function validates the control to prevent occurrence of motor D800 D801 D802 D803 D804 p fan control relolelelo lock by the accumulated snow entered from clearance of the fan guard or heat exchanger into blast route Even when the compressor stops the outdoor fan is operated with W3 when the outside temperature is under 7 C Max frequency This function is validated if the max value of compressor frequency change is required to lower It lowers the max frequency in cooling heating ti
103. performance and is harmless to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux Noncorrosive flux Generally it is compound of borax and boric acid It is effective in case where the brazing temperature 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 brazing filler flux Piping material Used brazing filler Used flux Do not use Copper Copper Phosphor copper 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 within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be
104. pump Check float switch Check indoor P C board Indoor DC fan error Displayed when error is detected Position detection error Over current protective circuit of indoor fan driving unit operated Indoor fan locked Check indoor P C board 4 way valve system error After heating operation has started indoor heat exchangers temp is down Stop Automatic reset Displayed when error is detected Check 4 way valve Check 2 way valve and check valve Check indoor heat exchanger TC TCJ Check indoor P C board Own unit stops while warning is output to other indoor units Stop Follower unit Automatic reset Displayed when error is detected Judge follower unit while header unit is E03 L03 L07 or L08 Check indoor P C board Coming off disconnection or short of indoor heat exchanger temp sensor TCJ Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temp sensor TCJ Check indoor P C board Coming off disconnection or short of indoor heat exchanger temp sensor TO Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temp sensor TC Check indoor P C board Coming off disconnection or short of indoor heat exchanger temp sensor TA Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temp sensor T
105. r the refrigerant and check no refrigerant remains in the equipment m 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 Connect the charge hose to packed valve service port pump s power switch at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure that the compound gauge s pointer does not return Connect the charge hose of the vacuum pump adapter Open fully both packed valves at liquid and gas sides Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting port of the electronic balance and charge liquid refrigerant Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle For refrigerant charging see the figure below 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigera tion cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes
106. r unit in standby status though the remote controller reached the setup temperature Does not timer operate during fan operation s not an overflow error detected on the indoor unit s not outside high temperature operation controlled in heating operation 2 Indoor fan does not rotate Does not cool air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes Does not high temperature release operation control work in heating operation Does not outside low temperature operation control work in cooling operation s not defrost operation performed 4 ON OFF operation cannot be performed from remote controller s not forced operation performed s not the control operation performed from outside remote side s not automatic address being set up s not being carried out a test run by operation of the outdoor controller 8 Did you return the cabling to the initial positions b Are connecting cables between indoor unit and receiving unit correct 2 Troubleshooting procedure When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON When a trouble occurred check the parts along with the following procedure Confirmation of lamp display Trouble gt EX When 4 way air discharge cassette type gt wireless remote controller is connected
107. r valve Standard length 7 5 7 5 Min length 5 0 5 0 Inter Max total length 50 50 connecting pipe Additional refrigerant charge under long piping connector 40g m 31m to 50m 40g m 31m to 50m Height Outdoor lower 30 30 Outdoor higher 30 30 Height 795 795 Outer dimension Width 900 900 Depth 320 320 Appearance Silky shade Muncel 1Y 8 5 0 5 Total weight Heat exchanger Finned tube Fan Propeller fan Fan unit Standard air flow Motor Connecting Gas side pipe Liquid side Sound pressure level Cooling Heating Sound power level Cooling Heating Outside air temperature Cooling 4310 15 Outside air temperature Heating 15to 15 13 1 2 Operation Characteristic Curve e Operation Characteristic Curve Digital Inverter RAV SM1103AT E1 RAV SM1403AT E1 ing Heat ing Cool Conditions o e zo Oig eta aa e 55 99 535 o 2 9 amp i Outdoor DB7 C WB6 C Air flow High Compressor speed rps Compressor speed rps Capacity variation ratio according to temperature RAV SM1103AT E1 RAVSM1403AT E1 ng Heat ing Cool 105 96 oneJ Ayoede5 o c o Conditions Indoor DB20
108. rating of 12 kW and below outdoor units gt DI series RAV SM563AT E RAV SM803AT E RAV SM1103AT E RAV SM1103AT E1 SDI series RAV SP404AT E RAV SP404ATZ E RAV SP404ATZG E RAV SP454AT E RAV SP454ATZ E RAV SP454ATZG E RAV SP564AT E RAV SP564ATZ E RAV SP564ATZG E RAV SP804AT E RAV SP804ATZ E RAV SP804ATZG E RAV SP1104AT E RAV SP1104ATZ E RAV SP1104ATZG E RAV SP1104AT8 E RAV SP1104AT8Z E RAV SP1104AT8ZG E RAV SP1104AT8 TR RAV SP1104AT8Z TR RAV SP1104AT8ZG TR 10 New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed Therefore be sure that water dust the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refrigerant during installation work or service work If an incorrect work or incorrect service is performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to R410A shapes of all the joints including the service port differ from those of the former refrigerant in order to pre
109. ress Max 64 Group address 0 Single Not group control 1 Master unit in group control 2 Sub unit in group control Master unit 1 The representative of multiple indoor units in group operation sends receives signals to from the remote controllers and sub indoor units It has no relation with an indoor unit which communicates serially with the outdoor units The operation mode and setup temperature range are displayed on the remote controller LCD Except air direction adjustment of louver Sub unit 2 Indoor units other than master unit in group operation Basically sub units do not send receive signals to from the remote controllers Except errors and response to demand of service data Header unit Representative unit Master Twin This unit communicates with the indoor unit follower which serial communicates with the outdoor units and sends receives signal Command from compressor to from the outdoor units as the representative of the cycle control in the indoor units of the identical line ad dress within the minimum unit which configures one of the refrigerating cycles of Twin Follower unit Subordinate unit Sub Twin Indoor units excluding the header unit in Twin This unit communicates with Header indoor unit in the identical line address and performs control synchronized with Header indoor unit This unit does not perform the signal send receive operation with the outdoor units No j
110. roller Simultaneous twin system Remote controller Remote controller wiring I 66 Indoor side i Indoor Outdoor U connecting wires rc zdes 10090 Outdoor side i 6 10 4 Address Setup Manual setting from remote controller In case that addresses of the indoor units will be determined prior to piping work after cabling work Set an indoor unit per a remote controller Turn on power supply Line address 1 Indoor unit address 1 Group address 1 Example of 2 lines cabling Real line Cabling Broken line Refrigerant pipe Outdoor ODDO Remote controller For the above example perform setting by connecting singly the wired remote controller without remote controller inter unit cable Group address Individual 0000 Master unit 0001 Sub unit 0002 In case of group control SET CL TEST r Push buttons simultaneously for 4 seconds or more lt Line address Using the temperature setup buttons set 2 to the CODE No Using timer time buttons set the line address Push button OK when display goes on lt Indoor unit address Using the temperature setup buttons set J to the CODE No Using timer time buttons set 1 to the line address Push e button OK when display goes on lt Group address Using the temperature setup
111. s or more simultaneously You can return to the item 1 operation 71 9 4 Applicable Control of Outdoor unit The following controls are enabled by connecting the part Application control kit TCB PCOS1E2 sold separately 1 Power peak cut control The capacity of the outdoor unit is saved by the Demand signal from outside and corresponds to the temporary peak cut The capacity save is switched to 3 stages 75 5096 and operation stop 2 Night operation Sound reduction Input a timer on the market Arranged at site The capacity is lowered regardless of load and the operation noise is reduced until 45dB However the normal control is carried out if the outside temperature TO sensor value is 40 C or more 3 Compressor operation output When the compressor drives turn on the contact output of no voltage 2 702 10 ADDRESS SETUP 10 1 Address Setup Procedure When an outdoor unit and an indoor unit are connected or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided the automatic address setup completes with power ON of the outdoor unit The operation of the remote controller is not accepted while automatic address works Approx 4 to 5 minutes Setup of line address of outdoor unit indoor unit address and group address Completion of cabling work Do you arbitrarily set the indoor unit address
112. s which fixed P C board and remove board fixed claws 2 posi tions to remove board 9 Attach a new board 85 Guide fixing screw To remove the guide pull it toward arrow direction so that the force is not applied to this arth wire Power supply terminal block Indoor outdoor connection terminal block Part name Procedure Remarks Fan motor 1 Perform works of items 1 of 1 of 2 Remove the flange nut fixing the fan motor and the propeller fan Loosen the flange nut by turning clock wise To tighten the flange nut turn it counterclockwise 3 Remove the propeller fan 4 Remove the lead wire from the hook fixing the fan motor lead wires on the motor base Three positions 5 Disconnect the connector for fan motor from the inverter 6 Remove the fixing screws 4 pcs while holding by hands so that the fan motor does not fall Note Tighten the flange nut with torque 4 9N m Be careful that the reactor does not come to contact with the fan motor lead at the rear side of the inverter assembly N CAUTION Using a bundling band on the market be sure Motor base to fix the fan motor lead wire to the motor base so that it does not come to contact with the propeller fan 86 Part name Compressor Procedure 1 Evacuate refrigerant gas 2 Perform works of items 1 of 1 of and
113. st operation is also finished when defrost operation has continued for 10 minutes even if TE sensor temperature has become 7 or lower After defrost operation has finished the compressor and the outdoor fan start heating operation after stopped for approx 40 seconds 35 Start of heating operation 2 From 10 minutes to 15 minutes after a heating operation started the minimum value of TE is stored in memory as TEO and the minimum temperature of TO as ToO At normal TO At error TO A When status of TE ToO TO gt 3 C When status of TE gt 3 C zone continued for 20 seconds continued for 20 seconds B When status of TE ToO TO gt 2 C When status of TE gt 2 C zone continued for 20 seconds continued for 20 seconds C zone When status of TE x 18 C continued for 20 seconds D zone When compressor operation status with TE lt 13 are added by d times SM110 SM140 55 39 29 90 11 High pressure switch 1 When the high pressure switch operates the operation of the compressor is terminated 2 The compressor restarts after 5 minutes using 1 as an error count After restart the error count is cleared when operation continues for 10 minutes or more 3 An error is confirmed with the error count 10 4 For the indicated contents of error confirm using the check
114. t set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit and do the work required Before starting to repair the outdoor unit fan or fan guard be absolutely sure to set the circuit breaker to the OFF position and place a Work in progress sign on the circuit breaker before proceeding with the work When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work Electric shock hazard When you access inside of the service panel to repair electric parts wait for about five minutes after turning off the breaker Do not start repairing immediately Otherwise you may get electric shock by touching terminals of high voltage capacitors Natural discharge of the capacitor takes about five minutes Before operating the air conditioner after having completed the work check that the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock etc if the power is turned on without first conducting these checks Exec
115. t customize the product Doing so may result in electric shock or other failure This air conditioner has passed the pressure test as specified in IEC 60335 2 40 Annex EE Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework After completing the repair or relocation work check that the ground wires are connected properly Be sure to connect earth wire Grounding work Incomplete grounding causes an electric shock Do not connect ground wires to gas pipes water pipes and lightning rods or ground wires for telephone wires 2 Prohibition of modification Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified parts When any of the electrical parts are to be replaced ensure that the replacement parts satisfy the specifications given in the Service Manual or use the parts contained on the parts list in the Service Manual Use of any parts which do not satisfy the required specifications may give rise to electric shocks smoking and or a fire Do not bring a child close to the equipment If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the ele
116. tative examples and the check code differs according to the outdoor unit to be combined 39 Lamp indication Check code Cause of trouble occurrence Operation Timer Heat exchanger sensor TCJ error Xx Xx Heat exchanger sensor TC error Indoor unit sensor error Ld Alternate flash Heat exchanger sensor TA error Discharge temp sensor TD error Temp sensor TE error Operation Timer Temp sensor TL error Alternate flash Temp sensor TS error Xx pos Temp sensor TO error Sensor error of outdoor unit 1 Temp sensor TH error Temp Sensor miswiring TE TS Operation Timer Xx Q Indoor EEPROM error L Simultaneous flash Operation Timer dor du Outdoor EEPROM error O Simultaneous flash Operation Timer Compressor break down Outdoor compressor system error 1 e Current detection circuit error Power supply outdoor P C board error Duplicated header indoor units Operation Timer Ready There is indoor unit of group connection AUTO address C e X in individual indoor unit If group construction and m address are not normal power supply turned on Simultaneous flash Missed setting automatically goes to Unset indoor capacity address setup mode Unsetting of group address Operation Timer Unset model type Service board A Duplicated ind
117. ting Item without special mention Indicates part of outdoor unit Indoor Outdoor communication error Is setting of group address of remote controller correct YES Are inner wiring and indoor outdoor control wires 1 2 3 normal Are wiring of terminal blocks 1 2 3 normal NO Check CODE No 14 Correct wiring indoor outdoor control wires Correct wiring of connectors and terminal blocks Check outdoor P C board Defect Replace Case thermostat operation Are CN500 connection and case thermostat normal Y Is cooling heating operation available when short circuiting case thermostat Y Y Is valve fully opened Open valve fully Y Is PMV normal YE Is there no gas leak NO Is it not refrigerant shortage E NO E NO 5 5 5 50 Correct connector Case thermostat error Replace Check outdoor P C board Defect Replace Repair defectives position Recharge refrigerant Correct defective position Replace defective part Check crushed or broken pipe Defect Correct and Replace Outdoor LED display Check and troubleshooting Item without special mention Indicates part of outdoor unit Discharge temp sensor TD error Is CN601 connection normal Correct connector Is resistance value of TD sensor norm
118. tion c P air conditioner after 4 series before 3 series Current detection circuit error Condition Displayed when error is detected Judgment and measures Check outdoor P C board AC current detection circuit Discharge temp error Discharge temp TD over specified value was detected Displayed when error is detected Check refrigerating cycle Gas leak Trouble of electronic expansion valve Check discharge temp sensor TD High pressure SW system error Displayed when error is detected Check service valves are fully opened Gas side Liquid side Check of outdoor fan operation Check motor error of outdoor fan Check clogging of outdoor PMV Check clogging of heat exchanger in indoor outdoor units Short circuit status of suction discharge air in outdoor unit Check outdoor P C board error Check fan system error Cause of air volume drop at indoor side Check PMV opening status in indoor unit Power supply voltage error Displayed when error is detected Check power supply voltage AC198 to 264V High pressure protective operation During cooling operation outdoor temp sensor TL detected temperature over specified temp During heating operation indoor temp sensor TC TCJ detected temperature over specified temp Displayed when error is detected Check outdoor heat exchanger sensor TL Check indoor heat
119. tion stop Duplicated indoor unit No Setup error Duplicated header units of remote controller Communication error between CPUs on indoor unit P C board Wire connection error between indoor units Indoor power OFF Communication stop between indoor master and follower or between main and sub indoor twin Operation Timer Ready e Flash Miswiring between indoor unit and outdoor unit or connection erorr Communication stop between indoor and outdoor units Outdoor unit case thermostat work on Comp overheating Outdoor wiring error Operation Timer Ready e ue L Alternate flash Overflow was detected Protective device of indoor unit worked Indoor DC fan error Operation Timer Ready xt x Alternate flash Protective device of 1 outdoor unit worked Case thermostat work on Outdoor unit discharge temp error Power error High pressure protection Negative phase detection error Heat sink overheat error Outdoor unit error Gas leak detection error 4 way valve system error Indoor or outdoor unit judged Outdoor unit high pressure protection Outdoor unit Outdoor unit fan error Protective device of Outdoor unit Inverter Idc operation d tdoor nit worked Outdoor unit Position detection error Stopped because of error of other indoor unit in a group Check codes of E03 L03 L07 L08 1 These are represen
120. trol refrigerant is Ozone layer destructive coefficient 0 However the discharge regulation is established for HFC refrigerant as it is greenhouse gas For this Model a switch is mounted for refrigerant recovery operation pump down by the outdoor unit so that this Model can easily react to the environment when it will be reinstalled or scrapped Operating method 1 Set fan operation to the indoor unit 2 Check LED display is the initial status If it is not so set the initial status 3 Push and hold SW800 for 5 seconds or more and then check D804 flashes slowly 4 Push SW800 several times and then stop it at the point where LED display D800 to D804 is indicated as the following table D800 D803 e o ON OFF Rapid flashing 5 times second 5 Push SW801 so that D805 flashes rapidly 6 Push and hold SW801 for 5 seconds or more The forced cooling operation starts if D804 flashes slowly and D805 is turned on Max 10 minutes 7 After operation for 3 minutes or more close the valve at liquid side 8 After recovery of refrigerant close the valve at gas side 9 Push and hold SW800 and SW801 for 5 seconds or more simultaneously The LED returns to the initial status the cooling operation stops and the indoor fan operation stops 10 Turn off the power supply unknown point generated on the way of the operation push and hold SW800 and SW801 for 5 seconds or more simultaneously Y
121. udgment for serial signal error 10 2 1 System Configuration 1 Single 2 Twin Outdoor 1 1 1 1 1 2 Indoor Individual Master Header Master Header Sub Follower Remote controller 3 Single group operation 2 1 1 1 4 1 3 1 8 1 Sub Header Sub Header Master Header Sub Header Sub Header 74 10 2 2 Automatic Address Example from Unset Address No miswiring 1 Standard One outdoor unit 1 Single 1 1 Individual Master Sub 2 Group operation Twin Triple operation Multiple outdoor units Miltiple indoor units only with serial communication 2 1 1 1 1 2 3 1 3 2 3 3 Sub Header Sub Header Sub Follower Master Header Sub Follower Sub Follower Only turning on source power supply Automatic completion Header unit The header unit receives the indoor unit data thermo status of the follower Without identical line address amp indoor outdoor serial and then finally controls the outdoor compressor matching with its own thermo status The header unit sends this command information to the follower unit Follower unit The follower unit receives the indoor unit data from the header With identical line address amp indoor outdoor serial and then performs the thermo operation synchronized with the header unit The follower unit sends own thermo ON OFF demand to the header unit Example No 1 1 header unit sends receives signal to from No 1 2 and No 1 3 fol
122. ultaneously In the result D800 to D804 are turned off or rapid flashing and D805 changes from flashing to lighting 2 Push and hold SW800 for 5 seconds or more D804 changes to slow flashing 8 Push SW800 and stop it at LED display of the following Outdoor fan single operation 08021 D803 o ON Q OFF Rapid flashing Outdoor fan single operation 4 Push SW801 and then stop it at the position where D805 flashes rapidly 5 Push and hold SW801 for 5 seconds or more In the result D804 changes to slow flashing D805 changes to lighting and the fan rotates 6 The fan stops when pushing long SW800 and SW801 for 5 seconds or more simultaneously or when 2 minutes passed f an unknown point generated on the way of the operation push and hold SW800 and SW801 for 5 seconds or more simultaneously You can return to the item 1 59 Outdoor LED display Check and troubleshooting Item without special mention Indicates part of outdoor unit O 0G O e O9 Short circuit of compressor drive element Is there no problem on connection of compressor lead or reactor Correct wiring Check referring to Wiring diagram The same error does not occur in Replace outdoor P C board operation without compressor lead p in Check compressor Rear short etc Defect Replace ooooee Position
123. ure Measure the resistance value of each winding by using the tester Red TS Position Resistance value White A Red White White Black Black Red Under 20 Outdoor fan motor Model WDF 340 A100 1 Measure the resistance value of each winding by using the tester Position Resistance value Red White White Black 17 3 179 Black Red Under 20 4 way valve coil Cooling heating switching Model STF H Measure the resistance value of each winding by using the tester 2 1215 3 121 5 9 Connector White Under 20 C 62 9 SETUP AT LOCAL SITE AND OTHERS 9 1 Calling of Error History Contents The error contents in the past can be called Procedure 1 3 SET TEST Push buttons simultaneously for 4 seconds or more to call the service check mode Service Check goes on the CODE No 27 is displayed and then the content of the latest alarm is displayed The number and error contents of the indoor unit in which an error oc curred are displayed In order to monitor another error history push the set temperature v 4 buttons to change the error history No CODE No CODE No 0 Latest gt CODE No 24 Old NOTE 4 error histories are stored in memory Pushing 2 button returns the display to usual display REQUIREMENT Do not push button otherwise all the error histories of the indo
124. ust and pealing of insulator Check pealing and floating of coating film 79 Coating with repair painting 11 REPLACEMENT OF THE SERVICE P C BOARD MCC 1630 1 Removing the P C board 1 Turn off the power supply of the outdoor unit and allow at least 3 minute for the capacitor to discharge Confirm that the light of the LED D800 to D805 fades away 2 Remove all the connectors and fast on terminals connected to the P C board Remove the connectors and fast on terminals by pulling the connector body Do not pull the wire 3 Remove all the screws which secures the P C board These screws are to be reused after procedure 4 Remove the P C board from the BOX 2 Setting the jumper wires Modelswitching J800 to J804 J806 Since this service P C board is available for several models cut the jumper wires according to the following table If they are not cut correctly an error code L10 or 04 appears on the remote controller and the operation of the air conditioner is disabled Model name 806 800 801 802 803 804 Factory setting default RAV SM1103AT E1 Cut RAV SM1403AT E1 Cut 3 Installing the P C board 1 Apply thermal grease to the back heat sink contacting side of devices IC200 and IC300 2 Reuse the insulating sheet When a small amount of thermal grease is applied to the back of the insu
125. ute discharge between terminals Even if the circuit breaker has been set to the OFF position before the service panel is removed and the electrical parts are repaired you will still risk receiving an electric shock For this reason short circuit the high voltage capacitor terminals to discharge the voltage before proceeding with the repair work For details on the short circuiting procedure refer to the Service Manual You may receive an electric shock if the voltage stored in the capacitors has not been sufficiently discharged Prohibition Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or front panel of Outdoor Unit inevitably to determine the failure put a sign Do not enter around the site before the work Failure to do this may result in third person getting electric shock Stay on protection If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies wear insulated heat resistant gloves insulated boots and insulated work overalls
126. ve screw of the side cabinet and the Valve support plate cabinet fin guard Heat exchanger M4 Hexagon x 10 2 pcs Inverter assembly Side cabinet AX P is Valve support Piping panel R plate Rear 83 Part name Procedure Remarks Inverter assembly Perform works of 1 of 1 of Remove the front cover M4 x 8 3 pcs Remove the inverter fixing plate M4 x 8 3 pcs Remove connectors connected to other parts from P C board CN601 TD sensor 3P White CN602 TO sensor 2P Yellow CN603 TE sensor 2P White CN604 TS sensor 3P White CN605 TL sensor 2P White CN300 Outdoor fan White CN500 Case thermo 2P Blue CN700 4 way valve coil Yellow CN701 PMV coil 6P White CN501 High pressure SW 3P Green Unlock the locks of the housing part and then remove the connectors 5 Remove the compressor lead connectors 6 Remove the relay connector of the reactor lead attached to the partition plate side 7 Cut bunding band which fixed the various lead wires to the inverter assembly 8 Pull up upward the hook for the partition plate Back left so as to remove it Caution for attachment of the inverter assembly When attaching the inverter assembly to the partition plate surely attach the hook for the partition plate Back left Reactor Partition plate side BB 24 Relay connector 84
127. vely 2 In cooling operation PMV is controlled with the temperature difference between TS sensor and TC sensor 3 In heating operation PMV is controlled with the temperature difference between TS sensor and TE sensor 4 For the temperature difference in items 2 and 3 1 to 5K is aimed as the target in both cooling and heating operations 5 When the cycle excessively rose in both cooling and heating operations PMV is controlled by TD sensor The aimed value is usually 92 for SM110 SM140 in both cooling and heating operations REQUIREMENT A sensor trouble may cause a liquid back flow or abnormal overheat resulting in excessive shortening of the compressor life In a case of trouble on the compressor be sure to check there is no error in the resistance value an the refrigerating cycle of each sensor after repair and then start the operation 2 Discharge temperature release control 1 When the discharge temperature did not fall or the discharge temperature rapidly went up by PMV control this control lowers the operation frequency It subdivides the frequency control up to 0 6Hz to stabilize the cycle 2 When the discharge temperature detected an abnormal stop zone the compressor stops and then restarts after 2 minutes 30 seconds The error counting is cleared when the operation continued for 10 minutes If the error is detected by 4 times without clearing the error is determined and restarting is not performed
128. vent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe lt Piping gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clogging of expansion valves and capillary tubes Flar
129. warning you will run the risk of burning yourself because the compressor pipes and other parts will be very hot to the touch In addition before proceeding with the repair work wear the heat resistant gloves When the service panel of the outdoor unit is to be opened in order for the fan motor reactor inverter or the areas around these parts to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the fan motor reactor inverter heat sink and other parts will be very hot to the touch In addition before proceeding with the repair work wear the heat resistant gloves Installation Only a qualified installer 1 or qualified service person 1 is allowed to install the air conditioner If the air conditioner is installed by an unqualified individual a fire electric shocks injury water leakage noise and or vibration may result Before starting to install the air conditioner read carefully through the Installation Manual and follow its instructions to install the air conditioner Do not install the air conditioner in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the indoor unit at least 2 5
130. where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body For an air conditioner which uses R410A never use other refrigerant than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the spe

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