Home

outdoor unit rav-sm561at-e rav

image

Contents

1. Check Correct charged refrigerant amount 37 E10 error CF error Check indoor control P C board Defect Replace E18 error 97 error 99 error When central controller 99 is displayed there are other causes of trouble Is inter unit wire of A and B normal YES NO Correct inter unit wire of remote controller Is there no disconnection or contact error of connector on harness from terminal block of indoor unit Check circuit wires Correct connection of connector YES NO Is power of all indoor units turned on YES Is Twin connection control YES Is group control operation NO Check indoor P C board Defect Replace Is there no contact error between indoor outdoor inter unit wires signal lines YES NO Y Correct indoor outdoor inter unit wires Check power connection of indoor unit serial signal lines Turn on power again E08 1 03 1 07 L08 error 96 error 99 error When central controller 99 is displayed there are other causes of trouble E08 Duplicated indoor unit numbers LO3 Two or more header units in a group control L07 One or more group addresses of Individual in a group control LO8 Unset indoor group address 99 If the above is detected when power has been turned on the mode automatical
2. Control Main P C board error Y Correct connection of connector NOTE However GND circuit error inside of the motor is rarely detected as OK by the above check When GND circuit does nor become normal even if P C board has been replaced replace the outdoor fan motor Control Main P C board Control Main P C board CDB P C board Objective 5009 1513 1531 Fan motor winding connector CN300 CN301 Motor position detection connector No connector for position detection CN300 Fan motor name ICF 140 43 ICF 280 100 Fan motor winding resistance value 18 to 30 0 12 to 220 42 P19 error 08 error Is 230V applied to terminal of 4 way valve coil in heating operation In case of SM56 SM80 Check 4 way valve Defect Replace Outdoor P C board error Replace Is there continuity to coil of 4 way valve YES Is operation of 4 way valve normal YES In case of SM110 SM140 4 way valve coil Defect Replace Is 230V applied to terminal of 4 way valve coil in heating operation Y YES Is flow of P M V normal NO Is wiring normal Especially wiring connection of CNO1 of P C board and CN13 Check 4 way valve Defect Replace of IPDU P C board Red leads Check wiring Correct YES N
3. 13 ISI AT EE 17 6 4 Recharging of Refrigerant Lue nic Lax va akin Rea nsR 18 6 5 Brazing OF PIPES ic dei ted pir baa RU ERU RON ER Dea oi Saia 19 T CONTROL SPECIFICATION rau 21 7 1 O tdoor COntUols 21 7 2 Outline OF Malm COmtrol Ss detente cece tees 24 8 TFROUBLESHOOTIN G aa 29 8 1 Summary of Troubleshootlng hee tont tue td eh ze 29 86 2 Check Gode RE inue enne Oe iru ridens 31 8 3 Error Mode Judgment by LED Display of Outdoor Unit 34 8 4 Contents oT Error Display cece Aree eats ee er 35 8 5 Troubleshooting Procedure for Each Check Code sense 36 8 5 Other FUHCHOB onini ene al eau ten abe tae ee nee 57 9 5 58 10 EXPLODED VIEWS AND PARTS LIST exin Rene xix 73 RAV SM561AT E Model name RAV SM561AT E Appearance 1 SPECIFICATIONS RAV SM801AT E RAV SM801 AT E Silky shade Muncel 1Y8 5
4. O1 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 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 6 2 Refrigerant Piping Installation 6 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discol ored portion
5. SET goes off Repetition LED D02 on indoor unit board flashes with 1Hz for approx 10 seconds Reboot Reset P31 error Sub indoor unit When the master unit of a group operation has detected E03 L03 L07 or L08 error the sub unit of the group operation detects P31 error and then it stops There is no display of the check code or alarm history of the main remote controller In this model the mode enters in automatic address set mode when the master unit has detected E03 1031 L07 or L08 error 51 8 4 2 Relational Graph of Temperature Sensor Resistance Value and Temperature 20 40 Me 30 Caracteristics 2 Caracteristics 1 Resistance Resistance kQ 10 20 10 Temperature C Temperature C 20 TE TO TS sensor 200 Caracteristics 3 Resistance 2 10 C or lower 10 C or higher 100 10 10 0 10 20 30 40 50 60 70 Temperature C TD sensor 200 Caracteristics 4 20 Resistance to E kQ 50 or lower 50 C or higher 100 10 50 100 Temperature B52 8 4 3 Troubleshooting with CHECK Display of Central Remote Controller 1 Operation for CHECK display When pushing the CHECK switch the indoor unit No Network address No including the check data is displayed in the UNIT No display section and the check code is displayed in the set up temp display sec tion CHECK switch EU
6. on NE ae Push for 0 5 seconds to display CHECK code T HEIC Push for 3 seconds to reset indoor microprocessor t MED 2 A While indoor microprocessor is locked by ALL STOP alarm Push for 10 seconds to clear check data MANUAL MONITORISET ALLZONE ZONE UNIT ON CENTERLOCKED 2 0606066606 RESET switch Push the switch in the hole with pin The remote controller resets initialized All data is cleared 2 Reading of CHECK monitor display lt 7 segment display gt MMe I Hexadecimal LU OU A t tht tht 204091004101 notation 0 1 2 3 4 5 66 7 8 9 10 11 12 13 14 15 Decimal notation Display on CHECK monitor gt Unit line No Network address No MONITOR ZONE ON CENTER AUX TYPE 7 STANDBY SET JC UNIT AIT OFF LOCKED II FILTER 1234567 8 910111213141516 CHECK rper oa an yas oa ST De SRO DR Daan aos FANONLY AUTO 1 ee ee ee a ee 2 DOLO oum mum uum mum mum mum mum L 495021 52 99 94 92 96 97 08 99 0061 62 03 04 MANUAL Example Check code detected at first There is no check data Check code detected at last P 7 CHECK lt CHECK data gt Example In No 1 unit first the interconnection wire bu
7. Check code is not displayed by wired remote controller Usual operation of air conditioner is disabled For wireless type models E01 is notified by the display lamp Displayed when error is detected Check the check code of corresponding unit by handy remote controller These errors are related to communication of remote controllers A B and central system AI NET X Y and E01 E02 E03 E09 or E18 is displayed no check code is displayed on the remote controller according to the error contents 8 3 Error Mode Judgment by LED Display of Outdoor Unit There provided Dip switch SW801 and LED on the Application Control Kit TCB PCOS1E sold separately for SM56 and SM80 models and on the outdoor unit P C board for SM110 and SM140 models respectively The status of the outdoor unit at that time can be known by switching this Dip switch The lighting status of LED also notifies the judged stage before the outdoor error has been determined and displayed on the remote controller An error of the outdoor temp sensor TO may be confirmed only by LED display according to the indoor unit to be combined SM56 80 D01 Red D02 Yellow D03 Yellow D04 Yellow SM110 140 MCC 1531 D800 Red D801 Yellow D802 Yellow D803 Yellow For error display refer to Table A on the next page During timer short During pump down operation Protective operation count In normal ti
8. and 2 Remove the flange nut fixing the fan motor and propeller fan The flange nut is loosened by turning it clockwise Turn it counterclockwise to tighten it Remove the propeller fan Disconnect connector for fan motor from the inverter Take off the fixing screws 2 pcs while supporting the fan motor so that it does not fall Flange nut Loosen the nut by Caution when assembling fan motor turning clockwise Tighten the flange nut with torque 4 9 Nm 50kgf cm Propeller fan Fan motor E Li 62 Part name Compressor Procedure 1 Perform works of items 1 of 1 of and Recover refrigerant gas Remove the partition board ST1T 04 x 8 3 pcs Take off screws of the motor base and the bottom plate ST1T 04 x 8 2 pcs Remove the noise insulator Remove the terminal cover and then disconnect the lead wires of the com pressor 7 Using a burner remove the pipes con nected to the compressor NOTE Pay attention to that flame does not involve 4 way valve or PMV If doing so a malfunction may be caused 8 Take off screws of the bottom plate and the heat exchanger ST1T 04 x 8 1 pc 9 Take off the fixing screws of the bottom plate and the valve clamping plate ST1T 04 x 8 2 pcs 10 Pull out the refrigerating cycle with the heat exchanger 11 Take off compressor bolts fixing the compressor to the bottom plate 3 pcs Remarks Partition board
9. Check there are multiple master units for 2 remote controllers including wireless Master unit is one and others are sub units Duplicated indoor central addresses on communication of central control system AI NET Detected by central controller side Central remote controller 98 Stop Automatic restart Displayed when error is detected Check address setup of central control system network Network adapter SW01 Check network adapter P C board Central remote controller Multiple network adapters on remote controller communication line Detected by central controller side Operation continues Displayed when error is detected Check multiple network adapters Check inter unit wire miswiring of remote controller Only one network adapter on remote controller communication line Central remote controller Interruption of central control system AI NET communication circuit Detected by central controller side Operation continues According to handy remote controller Displayed when error is detected Check communication line miswiring Check power of indoor unit Check communication XY terminals Check network adapter P C board Check central controller such as central control remote controller etc 2 3 Central Indoor Gr sub unit error Detected by central controller side remote controller b7 Continuation stop Based on a case
10. Correct connection of connector For SM56 SM80 CN600 TE sensor and CN603 TS sensor NO gt Are characteristics of TE TS sensor resistance values normal YES Esa Refer to Characteristics 3 For SM56 SM80 replace control P C board F04 error 19 error Is connection of TD sensor connector NO gt of CDB CN600 normal YES For SM56 SM80 CN601 TD sensor Are characteristics of TD sensor gt resistance value normal YES Check control P C board Defect Replace Refer to Characteristics 4 For SM56 SM80 replace control P C board F08 error 1b error Is connection of TO sensor connector NO gt of CDB CN601 normal YES For SM56 SM80 CN602 TO sensor Are characteristics of TO sensor NO resistance value normal YES nee Refer to Characteristics 5 For SM56 SM80 replace control P C board 46 Replace TE TS sensors Correct connection of connector Replace TD sensor Correct connection of connector Replace TO sensor L29 error 1C error In case of RAS SM56 SM80 NO Is power supply voltage normal YES NO Is compressor normal YES In case of RAS SM110 SM140 Are connections of CN800 and CDB IPDU CNO6 NO Modify power supply line Che
11. d i CN804 4 way valve 98 e 2 CN700 iz ge E 2 2 j DER 1 H 2 Fan motor revolution E lt CN300 g M c e Fan motor output ok CN301 DC15V input DC320V input To MCC 1438 To MCC 1438 CNO4 CNO3 lt LESL OOW 4097 7 2 Outline of Main Controls 1 Pulse Modulating Valve PMV control 1 For PMV with 50 to 500 pulses during operation respectively 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 103 C for SM561 SM801 and 92 C for SM1101 SM1401 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 This function controls the operation frequency that is lowers the operation frequency when th
12. 2 tap 20 seconds controlled by temperature of TE sensor STOP timer count If status TE gt 24 C continues for 5 minutes the 24 operation stops This status is same to the usual 2 tap 20 seconds Thermo OFF which has no alarm display and the 21 fan restarts after 2 minutes and 30 seconds This 1 tap 20 seconds intermittent operation is not abnormal 18 When the above status occurs frequently it rpm hold is considered that the filter of suction part of the 15 indoor unit is stain Clean the filter and then 1 tap 20 seconds restart the operation The operation frequency differs according to the model type The case of SM1101 is shown in the table below Temp range Below 33 Hz Above 33 Hz below 51 Hz Above 51 Hz 10 TO 5 TO lt 10 C lt 5 Maximum TO error 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 slackness of the refrigerant inside of the compressor 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 for a long time A judgment for electricity is performed by TD and TO sensors If TO sen
13. 250V P C Board MCC 1438 Power factor control 605 CN604 CN601 WHI WHI SUB Board MCC 1531 BLK BLACK BLU BLUE Power supply RED RED 220V 240V 50Hz GRY GRAY PNK PINK To indoor unit 11 COLOR IDENTIFICATION WHEWHITE BRW BROWN ORN ORANGE YEL YELLOW PUR PURPLE 5 SPECIFICATIONS OF ELECTRICAL PARTS RAV SM561AT E RAV SM801AT E Parts name Fan motor ICF 140 43 4 Specifications Output Rated 43 W Compressor DA150A1F 20F 3 phase 1100 W Reactor CH 57 10 mH 16A Outdoor temp sensor To sensor 10 kQ at 25 C Heat exchanger sensor Te sensor 10 kQ at 25 C Suction temp sensor Ts sensor 10 kQ at 25 C Discharge temp sensor Td sensor 50 kQ at 25 C Fuse Switching power Protect T3 15 A AC 250 V DO a AJOJN Fuse Inverter input Current protect 25 AC 250 V E 4 way valve solenoid coil VHV 01AJ503C1 Compressor thermo Protection RAV SM1101AT E RAV SM1401AT E Parts name Fan motor US 622 ICF 280 100 1 ON 90 5 C OFF 125 4 C Specifications Output Rated 100 W Compressor DA420A3F 21M 3 phase 4P 3750 W Reactor CH 56 2Z T 6 mH 18
14. NO when an operation is performed by removing 3P connector of compressor YES NO Is compressor normal YES Check IPDU Defect Replace Replace control P C board of SM56 SM80 44 Improve the power supply line Check and correct circuit wires Correct connection of connector Check and correct reactor connection Replace IPDU Replace control P C board of SM56 SM80 Check rare short of compressor trouble Defect Replace P29 error 16 error Are connections of wire connector normal YES Is compressor normal YES NO Check and correct circuit wiring such as wiring to compressor Compressor trouble Replace Compressor trouble Replace Compressor trouble Replace For SM56 5 80 replace control P C board Is not earthed NO Is not winding shorted Is resistance between windings 0 6 to 1 20 NO YES Is not winding opened NO Check IPDU P C board Defect Replace H03 error 17 error gt Check and correct circuit wires SM56 SMBO replace control P C board 45 F06 error 18 error Are connections of NO TE TS sensor connectors of CDB CN604 CN605 normal YES gt
15. TD sensor White CN601 TO sensor 2P White CN604 TE sensor 2P White Note 1 CN605 TS sensor 3P White Note 1 CN301 Outdoor fan 3P White Note 1 CN300 Position detection BP White CN500 Case thermo 2P Blue Note 1 CN700 4 way valve 3P Yellow Note 1 CN702 PMV coil 6P White Note 1 Note 1 Unlock the lock of housing part and then disconnect the connectors 3 Cut the tie lap fixing various lead wires to the inverter assembly 4 Remove the rubber sheet and noise proof plate upper 5 Remove terminal cover of the compressor and Comp lead wire 6 Pull upward the hook Rear left with the partition board as if removing it Caution when attaching inverter assembly When installing the inverter assembly to the partition board attach hook Rear left of the partition board surely 67 Remarks Cycle P C board Inverter assembly Noise proof plate Upper H Rubber sheet Comp lead There is a hook with the partition board at rear side Part name Cycle P C board Procedure 1 Perform the work in item 1 of 2 Disconnect connectors and lead wires connected from cycle P C board to other parts 1 Connector CN600 TD sensor 3P White CN601 TO sensor 2P White CN604 TE sensor 2P White Note 1 CN605 TS sensor White Note 1 CN301 Outdoor fan 3P White Note 1 CN300 Positio
16. especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 6 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market ue Table 6 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm 2 Joints b Socket Joints For copper pipes flare joints or socket joints are Socket joints are such that they are brazed used Prior to use be sure to remove all con for connections and used mainly for thick taminants pipings whose diameter is larger than 20 mm a Flare Joints Thicknesses of socket joints are as shown in Flare joints used to connect the copper pipes Table 6 2 2 cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 6 2 3 to 6 2 6 below Table 6 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter A VA copper pipe jointed mm mm 6 2 2 Processing of Piping Materials 1 Flare Processing Procedures and Precautions When performing the refrigerant piping insta
17. 0 5 Power supply 1 phase 230 V 220 240 V 50 Hz Power exclusive to outdoor is required Type Hermetic compressor Compressor Motor Pole 4 poles Refrigerant charged R410A 1 0 R410A 1 7 Refrigerant control Pulse motor valve Standard length 20 without additional charge total length 30 Over 20m Add 20 g m Max 200 g Add 40 g m Max 400 g Outdoor lower m 30 Height difference Outdoor higher 30 Height mm Outer dimension Width mm Depth Total weight Heat exchanger Finned tube Fan Propeller fan Fan unit Standard air flow High Motor Gas side 912 7 1 2 915 9 5 8 Connecting pipe Liquid side 26 4 1 4 9 5 3 8 Protection device Discharge temp sensor Over current sensor Compressor thermo Sound level Note 2 Note 1 High Mid Low Cooling Heating on the reference piping 7 5m Note 2 The cooling capacities and electrical characteristics are measured under the conditions speciied by JIS B 8616 based The sound level is measured in an anechoic chamber in accordance with JIS B8616 Normally the values measured in the actual operating environment become larger than the indicated values due to the effects of external sound Note Rated conditions Cooling Indoor air temperature
18. 2 by TO sensor value The value to be corrected is based upon the following control diagram and correction value table Corrected value MENENERESESESESES I1 x a I1 x b ssa soc os we sse son I1 x d Current release value shift control 2 Object SM561 SM801 The current release value of the models above are selected from the right table 45 TO according to TO sensor value 40 x TO lt 45 TO 40 27 10 Defrost control In heating operation defrost operation is performed when TE sensor temperature satisfies any condi tion in A zone to D zone Q The defrost operation is immediately finished if TE sensor temperature has become 12 C or more or it also is finished when condition of 7 C lt TE lt 12 C has continued for 1 minute The defrost operation is also finished when defrost operation has continued for 10 minutes even if TE sensor temperature has become 7 C or lower After defrost operation has finished the compressor and the outdoor fan start heating operation after stopped for approx 50 seconds Start of heating operation 0 10 15 b a d re M a i A zone 6 10 10 13 25 18 re Damo 20 Numerals enclosed with parentheses represent numeral values of SM1101 and 5 1401 The minimum TE value between 10 and 15 minutes after heating operation has started is stored in memory as TEO D
19. 3P White Note 1 CN701 4 way valve 3P Yellow Note 1 Note 2 CN700 PMV coil 6P White CN601 TD sensor White CN603 TS sensor 3P White Note 1 CN600 TE sensor 2P White Note 1 CN602 TO sensor 2P White CN500 Case thermo 2P Blue Note 1 Note 1 For connectors unlock the lock of the housing section and then remove connectors Note 2 It is not provided for a cooling only model 3 Remove the inverter box Metal sheet 4 Remove the control P C board assembly from P C board support Remove heat sink and control P C board assembly as they are screwed Note3 Remove 4 hooking claws of P C board support and remove the heat sink with hands upward 5 Take off 2 screws fixing the heat sink with the control P C board assembly 6 Install a new control P C board assembly Note 4 When installing a new control P C board assembly be sure to insert the board correctly in the board groove Install it so that the heat sink comes to contact surely with the metal sheet 61 Remarks Power supply cable Take off gt earth screws Inverter box Metal sheet P C board assembly P C board Control 3 board assembly Hooking claws 4 positions m 5 Inverter box Metal sheet Part name Procedure Remarks Fan motor 1 Perform works of items 1 of
20. Case thermo Heat exchanger Remove 7 d Discharge pipe Compressor bolt Screws Valve support 3 pcs 2 pcs board Reactor 1 Perform woks of item 1 of and 1 of 2 Take off screw fixing the reactor STIT O4 8 63 Partition board are Reactor Part name Pulse Modulating Valve PMV coi Procedure 1 Detachment 1 Perform works of items 1 of D and 1 of 2 Remove the side cabinet Right 3 Pull upward the coil and remove the coil from PMV body 2 Attachment 1 Fix the projection for coil positioning surely to pipe of PMV body and fix it PMV coil Remarks P M V coil Fan guard 1 Detachment 1 Perform works of items 1 of and 1 of REQUIREMENT Perform works on a corrugated card board cloth etc to prevent flaw on the product 2 Remove the front cabinet and then put it downward on the floor 3 Take off the hooking claw of the fan guard by pushing with minus screw driver etc 2 Attachment 1 Insert the hooking claw of the fan guard into hole of the front cabinet Fix claw while pushing the hooking claws 10 positions with hands REQUIREMENT Check that all the hooking claws are fixed to the specified positions 64 Minus screwdriver Hooking claw Front cabinet Front cabinet Fan guard RAV SM1101AT E RAV SM1401AT E Part name Common procedure Procedure REQU
21. Correct communication line of remote controller Correct power cable Turn on the source power supply Clear the check code Eliminate noise etc Check central controller Defect Replace NO Check indoor P C board Defect Replace E03 error Master indoor unit E03 error is detected when the indoor unit cannot receive a signal sent from the main remote controller and central controller In this case check the communication cables of the remote controllers A and B the central control system X and Y As communication is disabled E03 is not displayed on the main remote controller and the central controller E01 is displayed on the main remote controller and 97 error on the central controller respectively If E03 occurs during an operation the air conditioner stops F29 error 12 error F29 error or 12 error indicates detection of trouble which occurred on IC10 non volatile memory EEPROM on the indoor unit P C board during operation of the air conditioner Replace the service P C board If EEPROM has not been inserted when the power was turned on or if EEPROM data never be read written the automatic address mode is repeated In this time the central controller displays 97 error Power ON Approx 3 minutes SET is displayed on main remote controller Approx 1 minute
22. a paint Q 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 In 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 19 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 It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human bogy As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fl
23. cabinet and the heat exchanger 5 1 04 x 8 1 pc 5 Take off screws of the air outlet cabinet and the motor base ST1T 04 x 8 2 pcs 6 Take off screws of the air outlet cabinet and the fin guard Hex screw 24 x 10 2 pcs 2 Attachment 1 Put the upper left side of the air outlet cabinet on the end plate of the heat exchanger and then fix it with screw STAT 04 x 8 1 pc 2 Attach the removed screws to the original positions Remarks Heat exchanger Air outlet cabinet Fin guard Motor base Upper side of end plate of heat exchanger Air outlet cabinet 8 1 m t j 3 Side cabinet 1 Perform work of item 1 of 2 Take off screw fixing the inverter and the side cabinet ST1T 04 x 8 1 pc 3 Take off screws of the side cabinet and the valve support plate ST1T 04 x 8 2 pcs 4 Take off screws of the side cabinet and the piping panel Rear HEX screw 24 x 10 1 pc 5 Take off screws of the side cabinet and the bottom plate Rear HEX screw 24 x 10 1 pc 6 Take off screws of the side cabinet and the fin guard Heat exchanger HEX screw 24 x 10 2 pcs 66 Inverter Side cabinet Valve support plate Piping panel Rear Part name Inverter assembly Procedure 1 Perform works of items of 1 of 1 of 2 2 Disconnect connectors connected from the cycle P C board to other parts CN600
24. connection of connector YES Check parts Defect Replace Check and correct the charged Y Is charged refrigerant amount normal YES refrigerant amount YES Is not abnormal overload NO NO Improve and delete the cause Are characteristics of TD sensor resistance value normal YES Refer to Characteristics 4 Replace TD sensor Check CDB 01 error 1F error Defect Replace For SM56 5 80 replace control P C board NO Is power voltage normal Improve power line YES Is not abnormal overload YES Improve and delete the cause Check IPDU Defect Replace For SM56 5 80 replace control P C board 48 P04 error 21 error Is high voltage NO protective operation by TE sensor normal YES Is connection of wiring NO Correct connection of connector normal wiring connector Check TE sensor Defect Replace YES Does cooling outdoor fan normally operate YES Is connection of NO Correct connection of connector normal connector YES NO Is fan motor normal Replace fan motor YES NO Does PMV normally operate Do not TD and TO sensors NO come off the detection part YES Are characteristics of TD TO TC sensor resistance
25. correctly connected Power of indoor unit is not turned on Automatic address cannot be completed Status of air conditioner Condition Flash O Go on Go off Judgment and measures Remote controller power error Defective indoor EEPROM 1 Check remote controller inter unit wires 2 Check remote controller 3 Check indoor power wires 4 Check indoor P C board 5 Check indoor EEPROM including socket insertion Phenomenon of automatic address repetition occurred No communication with indoor master unit Disconnection of inter unit wire between remote controller and master indoor unit Detected at remote controller side Stop Automatic restart When there is center operation continues Displayed when error is detected Signal receiving of remote controller is defective 1 Check remote controller inter unit wires 2 Check remote controller 3 Check indoor power wires 4 Check indoor P C board Signal sending error to indoor unit Detected at remote controller side Stop Automatic restart When there is center operation continues Displayed when error is detected Signal sending of remote controller is defective 1 Check sending circuit inside of remote controller Replace remote controller Multiple master remote controllers are recognized Detected at remote controller side Stop Sub unit continues operation Displayed when error is detected
26. detected Compressor error Compressor lock etc Replace compressor Wiring trouble of compressor Phase missing Check refrigerating cycle Gas leak Error of electron control valve Check pipe sensor TD Check power voltage AC200V 20V Overload operation of refrigerating cycle Check current detection circuit at AC side Overload operation of refrigerating cycle Check outdoor temp sensor TE DC outdoor fan motor error IDC operation or lock was detected by DC outdoor fan driving All stop Displayed when error is detected Position detection error Over current protection circuit operation of outdoor fan drive unit Check CDB Refer to Judgment of outdoor fan Error on IPDU position detection circuit Displayed when error is detected Position detection circuit operates even if driving by removing 3P connector of compressor Replace IPDU Operation continues Coming off disconnection or short of outdoor temp sensor 56 Displayed when error is detected Check outdoor temp sensor TO Check board 8 5 Other Function 1 Recovery method of refrigerant RAV SM561 AT E RAV SM801AT E When recovering refrigerant in case of reinstallation of the indoor or outdoor unit etc use the refrigerant recovery switch on the terminal block of the outdoor unit Work procedure 1 Turn on the power supply 2 Using
27. part of control at IPDU side and the unit stops When case thermostat operates the communication is interrupted on the serial circuit If continuing the case thermostat operation a serial communication error occurs because serial sending to the indoor unit is inter rupted Check code LED display D801 D802 D803 Yellow Yellow Yellow Type A Type B e e e TE sensor error TD sensor error TS sensor error TO sensor error Discharge temp error DC outdoor fan error Communication error between IPDU with system suspended High pressure release operation Case thermo operation EEPROM error Communication error between IPDU without system suspended e O G Tr short circuit protection O O O O Detection circuit error Current sensor error o eee o eee e 006 0e Comp lock error Comp breakdown 0 0 000 o TH sensor error Gooff Flash 5Hz lt lt Check code gt gt The check codes are classified into Type A and Type B according to the used remote controller Be sure to check the remote controller which you use Type A Neutral 2 cores type wired remote controller such as RBC AMT21E RBC AS21E and wireless remote control ler kit such as TCB AX21U W E Type B Polarized 3 cores
28. 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 Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit jueJeBujeu cylinder Electronic balance R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies 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 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 D 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
29. type wired remote controller such as RBC SR1 PE RBC SR2 PE and central control remote controller such as RBC CR64 PE 45 8 5 Troubleshooting Procedure for Each Check Code 8 5 1 New Check Code Present Check Code Central Control Side E01 error 99 error When central controller 99 is displayed there are other causes of error NO Is inter unit cable of A and B normal YES Is there no disconnection YES Correct inter unit cable of remote controller or contact error of connector on harness from terminal block of indoor unit Is group control operation YES Correct connection of connector Check circuit cables NO Is power of all indoor units turned on YES Check power connection of indoor unit Turn on power again Is power supplied to remote controller NO AB terminal Approx DC18V YES YES Check indoor P C board Defect Replace Are two remote controllers set without header unit NO Correct as a master unit a sub unit Remote controller address connector E09 error 99 error Check remote controller P C board Defect Replace When central controller 99 is displayed there are other causes of error Are two remote controllers YES set without header unit Correct as a header unit a follower unit Remote controller address connector Che
30. values normal YES Correct coming off Replace TD TO and TC sensors Refer to Characteristics 3 and 4 Check CDB Defect Replace For SM56 SM80 replace control P C board Check TE TC TS sensors Replace P M V Check charged refrigerant amount Check liquid gas valves Check abnormal overload 49 97 error Central controller Is X Y communication line normal YES Correct communication line Are connections between connectors CNO2 CNO03 of network adapter P C board and connectors CN309 CN44 of indoor P C board normal YES NO Is A B communication line normal YES YES Is there no connection error of power line NO YES Is not power of source power supply turned on NO YES Did a power failure occur Is the network address changed form remote controller NO Is there no noise source etc NO YES NO Same as others Can central remote controller control normally other indoor units Is handling of central remote controller reflected on the operation status of indoor unit Does network adapter P C board LED 001 go on YES Check network adapter P C board and power transformer Defect Replace 50 Can handy remote controller control normally other indoor units Correct connection of connector Check connections of A B terminal blocks
31. when 1 Inverter immediately stops even if restarted Compressor motor rare short Short voltage of main circuit operates error is detected 2 Check IPDU Cabling error m TT Displayed when 1 Position detection circuit operates even if operating compressor by removing 3P IRB positon detection Creu erar Stop error is detected connector Replace IPDU ina i i Displayed when 1 Check outdoor temperature sensor TD Coming off disconnection or short of outdoor temperature sensor TD Stop error is detected 2 Check outdoor CDB P C board i i i Displayed when 1 Check outdoor temperature sensor TE TS E E Coming off disconnection or short of outdoor temperature sensor TE TS Stop error is detected 2 Check outdoor P C board SRI Displayed when 1 Check outdoor temperature sensor TO Coming off disconnection or short of outdoor temperature sensor TO Operation continues error is detected 2 Check outdoor CDB P C board For an error mode detected in outdoor unit the fan operates because sub unit of a group operation does not communicate with the outdoor unit Wireless sensor lamp display Error mode detected by remote controller or network adapter Wired remote Diagnostic function controller Cause of operation Check code pe No check code is displayed Remote controller does not operate No communication with master indoor unit Remote controller wire is not
32. 01 i CN500 Fan drive circuit Discharge temperature hae MR Farrara TD sensor connector eohnector FET QTY 6P Comp drive circuit CN700 CN605 J800 to 803 806 Q200 to Q205 IGBT QTY 6P PMV connector Sub SW board connector Model switch jumper line C200 Drive IG QTY 1P s 011u02 JOOPINO 71 7 SNOILVOISIDAdS 1OHINOO Z IGBT Compressor drive device Compressor output CNO9 CN10 CN11 Rectifier connectors P29 Red P28 Black P21 Orange P24 Brown Reactor connector Reactor Connector DC15V output To MCC 1531 CNO5 Communication signal To MCC 1531 CNO6 Capacitor AC output To MCC 1531 CN13 pct CNO2 j CN600 Earth ground CNO3 DC320V output To MCC 1531 CNO4 Mains Neutral input lt 8EVL DOIN gt 34VLOt LINS AVH S LV LOLLINS AVH Model selection jumpers Refrigerant recovery Switch Available only service P C board 802 J800 to J803 Dip switch Case thermo switch Communication signal EEPROM IC SW801 P M V CN702 500 801 j TD sensor O 4 CN600 Serial signal B ph 1 T inal block x E 7 PVC B on TO sensor block 9 lw e lt 4954444445 5 RR RR RR J TE sensor 7 CN604 AC input lt T To MCC 1438 Jd 4 CNO1 1 o Een L gt So Optional connector T d
33. 15 9mm 9 5mm Refrigerant pipe Refrigerant pipe at gas side at liquid side 215 9 29 5 Packed valve Packed valve Min Max 5m 50m Packed valve Packed valve m lt amp Outer dia A Outdoor unit Outer dia B lt PMV 2 step Pulse Motor Valve TS muffler TO sensor sensor TD 225 x 200L TT E SENSO lt z Strainer TE 4 way valve sensor i STF 02132 T Heat exchanger 08 ripple Accumulator 2 rows 20 steps Lie 1000cc FP1 3 flat fin Distributor Rotary compressor DA150A1F 20F 2 Cooling Seidon Heating Pressure Pipe surface temperature C Indoor Outdoor Compressor temp conditions Indoor heat Outdoor heat i 2 revolutions per MPa kg cm G Discharge Suction exchanger exchanger second al DB WB C Pd Ps Pd Ps TD TS TC TE Indoor Outdoor Standard 3 27 19 Overload 3 32 24 Low load 1 18 15 5 Standard 2 20 7 6 Overload 3 28 24 18 Low load 1 t 15 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 09 RAV SM1101AT E RAV SM1401AT E Indoor unit TCJ sensor Distributor Outer d
34. 27 C DB 19 C WB Outdoor air temperature 35 C DB Heating Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 C WB RAV SM1101AT E RAV SM1401AT E Model name RAV SM1101AT E RAV SM1401AT E Appearance Silky shade Muncel 1Y8 5 0 5 1 phase 230 V 220 240 V 50 Hz Power supply Power exclusive to outdoor is required Type Hermetic compressor Compressor Motor Pole 4 poles Refrigerant charged R410A 2 8 Refrigerant control Pulse motor valve Standard length 30 without additional charge Max total length 50 Over 20m Add 40 g m Max 800 g Outdoor lower 30 Height difference Outdoor higher 30 Height mm Outer dimension Width mm Depth Total weight 77 Heat exchanger Finned tube Fan Propeller fan Fan unit Standard air flow High 4500 Motor 100 Gas side 915 9 5 8 Connecting pipe Liquid side 29 5 3 8 Discharge temp sensor Protection device Over current sensor Compressor thermo Sound level High Mid Low Note 2 Cooling Heating 93594 Note 1 The cooling capacities and electrical characteristics are measured under the conditions speciied by JIS B 8616 based on the reference piping 7 5m Note 2 The sound level is measured in an anechoic chamber in accordance with JIS B8616 Normally the values measured in the actual operating environment become
35. 333 and CN334 of indoor unit P C board NO Does the fan rotate without trouble when handling the fan with hands YES Are resistance values between phases NO Replace indoor fan motor Replace indoor fan motor at fan motor connector CN333 motor side of indoor P C board correct 1 1 Is resistance value of fan motor NO Are not coil windings between C Red lead and 3 White lead between 3 White lead and 6 Black lead between 5 Black lead and 1 Red lead opened or shorted For resistance see the following values RAV SM56 SM80 UT gt Approx 70 to 1000 RAV SM110 SM140 UT Approx 35 to 500 15 not earthed between cabinet and 1 3 5 gt 10MQ or more Replace indoor fan motor connector CN333 at motor side of indoor P C board correct 2 2 Check resistance of fan motor position detection circuit Is not coil winding between 1 Yellow lead and 4 Pink lead opened or shorted Resistance Approx 5 to 20kQ Is signal output of indoor fan motor NO position detection correct 3 YES 3 Check indoor P C board Defect Replace Between 2 and 5 5V Replace indoor fan motor Check fan motor position detection signal Using a tester measure the voltage between CN334 D and of indoor P C board MCC 1402 under condition that
36. 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 6 2 4 Dimensions related to flare processing for R22 A mm Nominal Outer Thickness diameter ameter mm Flare tool for mm R22 clutch type Conventional flare tool Clutch type Wing nut type 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 6 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut diameter mm mm B C width mm 15 Table 6 2 6 Flare and flare nut dimensions for R22 Dimension mm Nominal Outer diameter Thickness Flare nut diameter mm mm B C width mm 43x Fig 6 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions When it is strong the flare nut may crack and a Make sure that the flare and union portions may be made non removable When choosing do not have any scar or dust etc the tightening torque comply with values designated by manufacturers Table 6 2 7 b Correctly align the processed flare surface shows reference values with the union axis Tighten the flare with designated torque by NOTE means of a torque wrench The tightening When applying oil to the flare surface be sure to use torque for R410A is the same as that for oil d
37. 5A Outdoor temp sensor To sensor 10 kQ at 25 C Heat exchanger sensor Te sensor 10 kQ at 25 C Suction temp sensor Ts sensor 10 kQ at 25 C Discharge temp sensor Td sensor 50 kQ at 25 C Fuse Switching power Protect T3 15 A AC 250 V BR D Fuse Inverter input Current protect 25 AC 250 V A 4 way valve solenoid coil VHV 01AJ503C1 gt Compressor thermo Protection US 622 12 ON 90 5 C OFF 125 4 6 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerat ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 6 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a seri
38. CN333 and CN334 are mounted and the power is turned on Rotate the fan slowly with hands and check the pin voltage swings between 0 to 5V voltage 41 P22 error 1A error In case of RAS SM56 SM80 Is connection of CN300 of P C board normal YES Does fan rotate by hands without trouble when removing CN300 from P C board YES Are 18 to 30 O applied for the resistance between Red lead and White lead NO Correct connection of connector Fan motor winding connector CN300 AP40 to AP80 CN301 AP140 160 White lead and Black lead Black lead and Red lead of connector CN300 Motor winding at motor side Fan motor Normal Fan motor Error Control Main P C board error Connector for detection of motor position In case of RAS SM110 SM140 CN300 AP140 AP160 Are connections of CN300 and CN301 of P C board normal YES Does fan rotate by hands without trouble when removing CN300 and CN301 from P C board YES Are 12 to 22 Q applied for the resistance between Red lead and White lead White lead and Black lead Black lead and Red lead of connector CN301 Motor winding at motor side Are 10k to 12 kO applied for the resistance between CD Yellow lead and 2 Pink lead of connector CN300 Connector for detection motor position at motor side NO Fan motor Normal
39. DANS m c For 108 210 anchor bolt RAV SM1101AT E RAV SM1401AT E Knockout For draining Drain hole 220 x 88 Burring hole i Drain hole 225 Burring hole Installation bolt hole N c 29 190 0 w 012 x 17 U shape holes T N 4 Part B i PA CIS lag 2 8 3 ee oi Details of B part DES For draining 857 y Details of A part i Lite ji Disch Le E 3 5 EY 26 50 Prim Part a ire 23 150 300 Installation bolt hole 900 012 17 U shape holes 314 a rp Handles i Both sides Refrigerant pipe connecting port 29 5 Flare at liquid side T gi bl Refrigerant pipe connecting port an 015 9 Flare at gas side 2 5 1 Discharge guide 21 leo 27 q othe 300 96 mounting hole 4 04 Embossing 307 Knockout for lower piping Z views Space required for service 2 012 x 17 U shape holes For 298 010 Anchor bolt o 85 iv port 5 150 or more 1 150 0 2 0 Minimum e cre pont distance up to wall Sc E d p 500 or em 2 012 x 17 long hole For 208 5210 Anchor bolt 3 REFRIGERATING CYCLE DIAGRAM RAV SM561AT E Outer diameter of refrigerant pipe Gas side OA Liquid side B 12 7mm 6 4mm Refrigerant pipe Refrige
40. ES connecting port of the electronic balance and charge liquid refrigerant Place the handle of the gauge manifold Low in the For refrigerant charging see the figure below fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle D Never charge refrigerant exceeding the specified amount If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury INDOOR unit Liquid side OUTDOOR unit Opened Gas side Refrigerant cylinder With siphon pipe Check valve Closed OH K Open Close valve for charging Service port Electronic balance for refrigerant charging Fig 6 4 1 Configuration of refrigerant charging 18 D Be sure to make setting so that liquid can be charged Q 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
41. IREMENT Never forget to put on the gloves at working time otherwise an injury will be caused by the parts etc 1 Detachment 1 Stop operation of the air conditioner and turn off switch of the breaker 2 Remove the front panel Hex screw 24 x 10 3 pcs After taking off screws remove the front panel while pulling downward 3 Disconnect the power supply cable and indoor outdoor connecting cables from the cord clamp and terminals 4 Remove the ceiling plate Hex screw 24 x 10 6 pcs 2 Attachment 1 Attach the ceiling plate Hex screw 24 x 10 6 pcs 2 Connect the power supply cable and indoor outdoor connecting cable to the terminal and then fix them with cord clamp REQUIREMENT Using bundling band sold at a market be sure to fix the power cables and indoor outdoor connecting cables along the inter unit cable so that they do not come to contact with the compressor valve at gas side pipe at gas side and discharge pipe 3 Attach the front panel Hex screw 24 x 10 3 pcs and then cover the front cabinet with upper cabinet 65 Remarks Front panel Part name Discharge port cabinet Procedure 1 Detachment 1 Perform work of item 1 of 2 Take off screws of the air outlet cabinet and the partition board ST1T 04 x 8 3 pcs 3 Take off screws of the air outlet cabinet and the bottom plate Hex screw 24 x 10 2 pcs 4 Take off screws of the air outlet
42. O Check CDB P C board Check board Defect gt Replace No problem Check and replace P M V NO Are characteristics of TC sensor resistance value normal YES Refer to Characteristics 2 Replace TC sensor In cooling operation if high pressure is abnormally raised P19 error 08 error may be displayed In this case remove cause of pressure up and then check again referring to the item P04 error 21 error Check indoor P C board Defect Replace F02 error Od error Is connection of TC sensor connector Indoor P C board CN101 normal Are characteristics of TC sensor resistance value normal YES Check indoor P C board Defect Replace Correct connection of connector NO Replace TC sensor Refer to Characteristics 2 43 F01 error OF error NO Is connection of TCJ sensor connector Correct connection of connector Indoor P C board CN102 normal Replace TCJ sensor Are characteristics of NO TCJ sensor resistance value normal Check indoor P C board Defect Replace P26 error 14 error NO Is power voltage normal YES Refer to Characteristics 2 Are connections of wiring connector normal YES Are not 14 errors output
43. PMV UKV U048E 43122065 Bell Mouth 43148170 Accumulator Ass y 43047667 Nut Flange 43146584 Valve Packed 9 52 DIA 43120224 Fan Propeller PE492 43146613 Valve Ball 43121734 Motor Fan ICF 280 100 1 43047401 Bonnet 3 8 IN 4314G178 Condenser Ass y 43194029 Bonnet 43191515 Panel Front Piping 43158190 Reactor 43191605 Panel Back Piping 43019904 Holder Sensor 43119390 Hanger 43063188 Holder TC Sensor 43041774 Compressor Ass y 43063332 Holder Sensor DA420A3F 21M 43147611 Strainer 43050407 Thermostat Bimetal 43148176 Strainer 43063317 Holder Thermostat 43089160 Cap Waterproof 43100248 Base Ass y 43032441 Nipple Drain 43197157 Bolt Compressor 75 Location Location uu ea pat Deserition peu pat Desorption 706 43050354 Sensor TD 4316V255 PC Board Ass y CDB 43050382 Sensor TC F6 MCC 1531 43060750 Terminal Block 3P 707 4316V264 PC Board Ass y IPDU 43150259 Rectifier MCC 1438 43160502 Terminal Block 708 43050398 Sensor TG F4 76 TOSHIBA CARRIER CORPORATION e 12 328 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
44. TOSHIBA FILE NO 405 001 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE NEW DIGITAL INVERTER gt OUTDOOR UNIT RAV SM561AT E 5 RAV SM1101AT E RAV SM1401AT E INDOOR UNIT This Service Manual describes contents of the new outdoor unit For the indoor unit refer to the Service Manual with FILE NO A03 003F ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer Cleaning of the air filter and other parts of the air filter involves dangerous work in high places so be sure to have a service person do it Do not attempt it yourself The cleaning diagram for the air filter is there for the service person and not for the customer CONTENTS 1 u ellje une lp 3 2 CONSTRUCTION VIEWS EXTERNAL 5 5 3 REFRIGERATING CYCLE DIAGRAM 22 2 2 2 2 4 2 8 4 WIRING DIAGRAM ee 11 5 SPECIFICATIONS OF ELECTRICAL 2 000022 2 12 6 REFRIGERANT 2220 13 6 1 Safety During Installation Servicing es 13 6 2 Refrigerant Piping Installation 1
45. ain P C board Outside interlock input All stop Displayed when 1 Check outside devices error is detected Detected by input voltage Check indoor P C board level from outside devices Main P C board Error mode detected by indoor unit 2 Operation of diagnostic function Status of air Judgment and measures conditioner Condition Cause of operation Serial return signal is not sent from ON OFF Displayed when 1 Indoor unit does not completely operate No 1 indoor unit to remote controller error is detected Check inter unit wire Miswiring of inter unit wire between Check indoor P C board Main Sub P C boards remote controller and indoor unit Miss setting of indoor unit No Group address 2 In normal operation Check setting of indoor unit No SW01 Sub board Check remote controller Check remote controller 55 Error mode detected by outdoor unit 3 Operation of diagnostic function Inverter over current protective circuit operates For a short time All stop Error on current detection circuit Current value is high at AC side even while compressor stops Phase of power supply is missed All stop Check Check 3 Status of air e Displayed when 1 error is detected Displayed when error is detected Judgment and measures Inverter immediately stops even if restarted Compressor rare short Chec
46. alve system Indoor heat exchanger temperature lowered after start of heating operation Stop Automatic reset Displayed when error is detected Check 4 way valve Check indoor heat exchanger TC TCJ sensor Check indoor P C board Own unit stops while warning is output to other indoor units Stop Sub unit Automatic reset Displayed when error is detected Judge sub unit while master unit is in E03 L03 L07 L08 Check indoor P C board Coming off disconnection or short of indoor heat exchanger sensor TCJ Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temperature sensor TCJ Check indoor P C board Coming off disconnection or short of indoor heat exchanger sensor TC Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temperature sensor TC Check indoor P C board Coming off disconnection or short of indoor heat exchanger sensor TA Stop Automatic reset Displayed when error is detected Check indoor heat exchanger temperature sensor TA 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 Automati
47. at all the hooking claws are fixed to the specified positions 2 Attach the fan guard by hooking claws 3 positions at upper side of the bell mouth to the square holes of the dis charge port cabinet 3 After attachment fix it with screws ST1T 4 8 2 pcs 72 Remarks Bell mouth Discharge port cabinet ae 4 Take off screws 2 pcs Bell mouth Discharge port cabinet Minus screwdriver Fan guard Hooking claw Discharge port cabinet Square hole 3 positions Claw 3 positions Bell mouth 10 EXPLODED VIEWS AND PARTS LIST RAV SM561 RAV SM801AT E 35 TD Discharge Pipe Temp Sensor Holder 36 TS Sucion Pipe Temp Sensor Holder 37 TE Condenser Pipe Temp Sensor Holder 38 TO Outdoor Temp Sensor Holder 10 32 33 Description Description 43005619 Cabinet Front 43147195 Bonnet 1 2 IN SM561AT E 43005616 Cabinet Upper 43194029 Bonnet SM801AT E 43005617 Cabinet Side Right 43047401 Bonnet 3 8 IN SM801AT E 43005569 Cabinet Side Left 43046439 Valve 4 Way STF 0108Z 4301V035 Guard Fan SMS61AT E 4301V053 Guard Fin 43146619 Valve 4 Way STF 0213Z 43042479 Base Ass y SM801AT E 43119471 Cover Valve Packed 43046348 Coil Solenoid 43062230 Cover Wiring Ass y 43146662 Valve Pulse Modulating 43041627 Compressor Ass y 43046411 Coil PMV CAM MD12TF 1 DA150 A1F 20F 43058270 Reactor 43043730 Co
48. c reset Displayed when error is detected Check wires of remote controller Check power wires of indoor unit Check indoor P C board Regular communication error between master and sub indoor units or between main and sub indoor units Stop Automatic reset Displayed when error is detected m cm m m m m m a jconm conm conm m m Check wires of remote controller Check indoor power wire Check indoor P C board Wireless sensor Wired remote Error mode detected by outdoor unit Diagnostic function Flash O Go on Go off lamp display controller Status of air Judgment and measures Ready Check code Cause of operation conditioner Condition Breakdown of compressor Displayed wh 1 Check power voltage AC200V 20V i solved when pon ror 2 Overload operation of refrigerating cycle 3 Check current detection circuit at AC side Compressor does not rotate Displaved when 1 Trouble of compressor Compressor lock etc Replace compressor e Over current protective circuit operates after specified time passed when pue detested 2 Defective wiring of compressor Phase missing compressor had been activated 3 Phase missing operation of power supply 3 phase model Current detection circuit error Displayed when 1 Compressor immediately stops even if restarted Check IPDU e Current value a
49. caused 10 Pull out the discharge pipe and the suction pipe of the refrigerating cycle upward 11 Take off the compressor bolts fixing the compressor to the bottom plate 3 pcs 12 Pull out the compressor toward you 1 Detachment 1 Perform the works in item 1 of and 2 Pull the coil upward while turning it and then remove the coil from PMV body 2 Attachment 1 Be sure to match the projection for coil positioning with the concave part of PMV body and then fix the coil 71 Remarks Piping panel Front Partition board Valve fixing plate Valves Sensor pipe cover Remove Suction pipe Remove Discharge pipe Compressor bolts 3 pcs Projection for positioning PMV body Concave part Part name Fan guard Procedure 1 Detachment 1 Perform works of items 1 of and 1 of REQUIREMENT Perform works on a corrugated cardboard cloth etc to prevent flaw on the product 2 Remove the front cabinet and then put it downward on the floor 3 Take off screws fixing the bell mouth ST1T 04 x 8 2 pcs 4 Remove the bell mouth 5 Take off the hooking claw of the fan guard by pushing with minus screwdriver etc 2 Attachment 1 Insert the projection at upper side of the fan guard into square hole of the dis charge port cabinet and then insert the hooking claw Fix hooking claws while pushing them 5 positions with hands REQUIREMENT Check th
50. ck compressor error and rear short Defect Replace Check outdoor control P C board Defect Replace connectors normal YES Was the error just after power ON determined NO YES Are cabling connector normal gt Correct connection of connector Check cabling between IPDU and CDB and connector IPDU P C board error Defect Replace YES Is there no abnormal overload NO NO Improve and eliminate the cause Correct mounting Is IPDU P C board come to closely contact with heat sink YES 02 error 1d error Is power voltage normal YES Are connections of wire connector normal YES Is compressor normal YES NO NO Is there no slackened refrigerant YES Does normally operate YES Check IPDU and CDB Defect Replace cuz IPDU board error Defect Replace Improve power line Check and correct circuit wiring such as cabling to compressor phase missing and connector Compressor lock Replace Check and TS sensors Replace Check P M V Replace For SM56 5 80 replace control P C board error 1E error Is protective control such as NO discharge temprelease control normal YES NO Correct the wiring and Are connections of wire connector normal
51. ck remote controller P C board Defect Replace E04 error 04 error NO Does outdoor unit operate YES Is setup of group address correct Check item code 14 Correct inter unit wire Correct connection of connector Does voltage between Check indoor P C board 2 and 3 of inter terminal blocks 1 2 3 Defect Replace of indoor unit vary Are 1 2 3 inter unit wires normal Are connections from connectors of inter terminal blocks 1 2 3 of indoor outdoor units normal YES As shown in the following figure perform measurement within 20 seconds after power ON S5277G Black 8 4 o o 416 White 2 D Inter terminal block For SM56 SM80 main circuit on control P C board Is DC280V applied between terminals of electrolytic capacitor of IPDU main circuit YES Replace IPDU For SM56 5 80 check case thermo Is DC7V power supplied to CDB Are cablings between Pin 2 and Pin 5 of CN800 and between IPDU and CDB normal Replace IPDU Correct connection of connector YES Is case thermo CN500 connected Correct connection of connector YES Check indoor P C board NO Check CDB Does case thermo operate Defect Replace YES
52. cting cables Remove the upper cabinet STAT 04 x 8 5 pcs After taking off screws remove the front side of the upper cabinet while pulling upward 2 Attachment 1 Attach the waterproof cover REQUIREMENT Be sure to attach a waterproof cover to prevent entering of rainwater etc 2 Attach the upper cabinet 5 1 04 x 8 5 pcs Hook the rear side of the upper cabinet and then cover the front cabinet with upper cabinet 3 Connect the power cable and indoor outdoor connecting cables to the terminal and then fix them with cord clamp ST1T 24 x 10 3 pcs 4 Attach the wiring cover ST1T 04 x 8 2 pcs 5 Attach the valve cover STAT 24 10 1 pc 58 Remarks Valve cover Wiring cover b Upper cabinet ut E qn Ww Waterproof cover Part name Front cabinet Procedure 1 Detachment 1 Perform work of item 1 of 2 Remove screws of the front cabinet and the inverter cover ST1T 04 x 8 2 pcs 3 Take off screws of the front cabinet and the bottom plate ST1T 24 x 8 3 pcs 4 Take off screws of the front cabinet and the motor support ST1T O4 x 8 2 pcs The left side of the front side is made to insert to the side cabinet Left so remove it while pulling upward 2 Attachment 1 Insert hook at the left side of the front side into the side cabinet Left 2 Insert hook at the right side of the side cabinet into square hole of the
53. duplicated Error in 4 way valve system Indoor heat exchanger temperature rise after start of cooling operation Indoor heat exchanger temperature fall after start of heating operation Error in other cycles Indoor heat exchanger temp TC does not vary after start of cooling heating operation Coming off disconnection or short of indoor temp sensor TA Coming off disconnection or short of indoor temp sensor TC Operation continues According to remote controller of indoor unit Operation continues Operation continues Operation continues Operation continues Operation continues Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Communication line check miswiring check Power supply check for central controller Central control remote controller etc and indoor unit Communication check XY terminal 3 Indoor P C board check Central controller check Communication P C board Check central control system network address setting SWO2 Indoor P C board check Central controller check Communication P C board Check 4 way valve Check 2 way valve and non return valve Check indoor heat exchanger sensor TC Check indoor P C board Main P C board C
54. e discharge temperature has not lower or the discharge temperature has rapidly risen during PMV control It subdivides the frequency control up a to a unit of 0 6 Hz to stabilize the cycle When the discharge temperature is detected in an abnormal stop zone the unit stops the compressor and restarts after 2 minutes 30 seconds The error counter is cleared when it has continued the TD C Error stop P03 display with 4 times of error counts Frequency down 19 Frequency holding operation for 10 minutes If the abnormal stop zone has been detected by 4 times without clearing of counter an error is displayed The cause is considered as excessively little amount of refrigerant defective PMV or clogging of cycle SM561 SM801 SM1101 SM1401 3 Current release control The output frequency and the output voltage are controlled by AC current value detected by TO2 on the outdoor P C board so that input current of the inverter does not exceed the specified value Objective model SM1101 Frequency slow up Up to command As command is Current A Frequency down SM1401 COOL HEAT COOL HEAT COOL HEAT COOL HEAT mein ver reo wr 24 4 Outdoor fan control Allocations of fan tap revolutions rpm SM561 SM801 SM1101 SM1401 1 Cooling fan con
55. e 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 Did you return the cabling to the initial positions Are connecting cables of indoor unit and remote controller correct Troubleshooting procedure When a trouble occurred check the parts along with the following procedure 2 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 59 Wireless remote controller type Only for 4 way air discharge cassette type models 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 D The following operations are normal a Compressor does not operate s not 3 minutes delay 3 minutes after compressor OFF Does not thermostat turn off Does not timer operate during fan operation s not outside high tem
56. efrost operation is performed in this zone when TEO TE 2 3 continued for T seconds Defrost operation is performed in this zone when TEO TE 2 3 continued for T seconds Defrost operation is performed when this zone continued for T seconds Defrost operation is performed when this zone continued for T seconds SM561 SM801 SM1101 SM1401 28 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 D The following operations are normal a Compressor does not operate s not 3 minutes delay 3 minutes after compressor OFF Does not thermostat turn off Does not timer operate during fan operation s not outside high temperature operation controlled in heating operation Is not Thermo OFF setup by Application Control Kit TCB PCOS1E sold separately b Indoor fan does not rotate Does not cool air discharge preventive control work in heating operation C 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 d ON OFF operation cannot b
57. esignated by the manufacturer If any other oil is conventional R22 Incidentally when the used the lubricating oils may deteriorate and cause torque is weak the gas leakage may occur the compressor to burn out Table 6 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market Nominal Outer diameter Tightening torque diameter mm 14 to 18 140 to 180 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 16 6 3 Tools 6 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 012 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below
58. front cabinet 3 Attach the removed screws at the original positions 59 Remarks Motor support Front cabinet Front cabinet Left side Square hole Square hole Hook Part name Inverter assembly Procedure 1 Turn off the power supply 1 Perform work of item 1 of 2 Take off screws fixing the upper part of the front cabinet and the inverter cover ST1T 04 x 8 2 pcs f removing the inverter cover under this condition P C board can be checked The control circuits including 5V and 12V of each sensor circuit PMV circuit etc of this control P C board are high voltage circuits Before work be sure to turn off the power supply Be careful sufficiently also for an electric shock at electrified portions of the control circuits and their parts 3 Using resistance for discharge approx 100Q 40W or plug of soldering iron electrify electrodes between and terminals of 3 phase C10 11 and single phase C12 13 14 printed as CAUTION HIGH VOLTAGE electrolytic capacitor of P C board for discharge The electrolytic capacitor may not normally discharge according to error condition and the voltage may remain Be sure to discharge the capacitor NOTE The electrolytic capacitor has a large capacity Therefore it is very dangerous to short circuit between electrodes with screwdrivers for discharge because big spark generates 4 Perfor
59. iameter of refrigerant pipe Strainer incorporated Gas side OA Liquid side OB Air heat exchanger 15 9mm 9 5mm E o ra mc ur MANUI CIT Refrigerant pipe Refrigerant pipe atgas side at liquid side 15 9 29 5 Ball valve Packed valve Packed valve Outer dia B amp lt 7 Ball valve Outer dia A Cooling Low pressure Strainer TS sensor Outdoor unit PMV Pulse Motor Valve UKV 25D22 TO sensor 4 way valve TE STF 02132 sensor Muffler Heat exchanger Outer side 8 2 rows 20 steps Q25 x L210 FP1 3 flat fin Inner side 29 52 1 row 30 steps 25 x L180 FP1 5 flat fin Distributor Accumulator Rotary 2500cc compressor Cooling DA420A3F 21M 0 aaa Heating EGO LEM RAV SM1101AT E Pressure Pipe surface temperature C Compressor Indoor Outdoor Indoor heat Outdoor heat revolutions per Indoor temp conditions MPa kg cm G Discharge Suction exchanger exchanger second rps fan DB WB C Pd Ps Pd Ps TD TS TC TE Indoor Standard 27 9 Overload 32 24 Low load 18 15 5 Standard 3 20 Overload 30 Low load 15 10 70 RAV SM1401AT E Pressure Pipe surface temperature C C
60. ing check Duplicated indoor unit addresses Duplicated indoor master units There is group line in individual indoor units oooe Unsetting of indoor group address Displayed when error is detected Check whether there is modification of remote controller connection Group Individual or not after power has been turned on finish of group configuration address check If group configuration 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 the indoor capacity DN 11 Abnormal outside interlock input Fan motor thermal protection Displayed when error is detected Displayed when error is detected Check outside devices Check indoor P C board Check thermal relay of fan motor Check indoor P C board Float switch operation Disconnection coming off defective float switch contactor of float circuit Displayed when error is detected Defect of drain pump Clogging of drain pump Check float switch Check indoor P C board Indoor DC fan error Stop Displayed when error is detected Defective detection of position Over current protective circuit of indoor fan driving unit operates Lock of indoor fan Check indoor P C board Error in 4 way v
61. k IPDU Cabling error Compressor immediately stops even if restarted Check IPDU Phase missing operation of power supply Check power voltage of R S T Coming off disconnection or short of outdoor temp sensor All stop Coming off disconnection or short of outdoor temp sensor All stop Compressor drive output error Tin thermistor temp Tin error IPDU heat sink temp is high Communication error between IPDU Connector coming off between CDB and IPDU Displayed when error is detected Displayed when error is detected Displayed when error is detected Check outdoor temp sensor TE TS Check CDB Check outdoor temp sensor TD Check CDB Abnormal overload operation of refrigerating cycle Loosening of screws and contact error of IPDU and heat sink Cooling error of heat sink Check wiring of CDB and IPDU Compressor does not rotate Over current protective circuit works when constant time passed after activation of compressor All stop Discharge temp error Discharge temp over specified value was detected All stop Compressor breakdown Operation frequency lowered and stops though operation had started High voltage protection error by TE sensor TE temp over specified value was detected All stop Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is
62. larger than the indicated values due to the effects of external sound Note Rated conditions Cooling Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Heating Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 C WB 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 561 Drain hole 025 A legs Drain hole 2 020 x 88 long hole o LS og 52 s 257 NN aN LI 55 SSS CRR SS S LT 483 449 f f I LEE 22 LL 7 th SS SS SS S SLE N N 555 W HH 7 7 35 Guard for air discharge Product external line Product external line Details of A legs Details of B legs 2 011 14 U hole For 208 5210 anchor bolts Connecting pipe port Flare 012 7 at gas side Connecting pipe port Flare 06 4 at liquid side 8 06 hole For fixing outdoor unit 2 011 x 14 long hole For 28 910 anchor bolts Earth har ort terminal 4 04 5 embossing 24 STS used For mounting air direction guide Space required for service Anchor bolt mounting dimension 600 2 11 14 U shape holes For 28 910 anchor bolt WO po
63. llation a Cutting the Pipe care should be taken to ensure that water or dust By means of a pipe cutter slowly cut the pipe does not enter the pipe interior that no other oil so that it is not deformed other than lubricating oils used in the installed air b Removing Burrs and Chips 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 If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation 14 C Insertion of Flare Nut Flare processing dimensions differ according d Flare Processing to the type of flare tool When using a con ventional flare tool be sure to secure dimen Make contain tite CAMP pe and coppe sion A by using a gauge for size adjustment pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Fig 6 2 1 Flare processing dimensions Table 6 2 3 Dimensions related to flare processing for R410A A mm Nominal Thickness diameter poi mm Flare tool for R410A clutch type Conventional flare tool Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1
64. ly enters in automatic ad dress setup mode Check code is not displayed However if the above is detected during automatic address setup mode the check code may be displayed LO9 error 46 error YES Set capacity data of indoor unit Is capacity of indoor unit unset item code DN 11 Check indoor P C board Defect Replace 39 L20 error 98 error Are wire connections to gt Correct wire connection communication line X Y normal NO Is central controller 98 displayed bale E Space Is indoor remote controller L20 displayed Are not multiple YES same central control network gt Correct central control network address addresses connected Check central controller including network adapter Defect Replace L30 error B6 error Are outside devices of Check indoor P C board connector CN80 connected Defect Replace YES Check outside devices Do outside devices normally operate Defect gt Replace YES Check operation cause b7 error Central controller Is group operation performed YES Is check code displayed on follower unit of header or follower remote controller YES Check indoor P C board Defect Replace Check corresponding indoor outdoor units 2 39 P01 error 11 e
65. m work item 1 of 5 Take off screws fixing the main unit and the inverter box Wiring port side ST1T 04 x 8 2 pcs 6 Take off screws fixing the partition board and the inverter box ST1T 204 x 8 1 pc 7 Remove various lead wires from the upper part of the inverter 8 Pull up the inverter upward In this time cut off the bundling bands binding each lead wire 9 Disconnect connectors of various lead wires NOTE When disconnecting each connector avoid removing the connector by holding the lead wire but by holding the connector 60 Remarks Screws Front cabinet Inverter cover Plug of soldering iron Discharging period 10 seconds or more Cord clamp Inverter assembly Remove the connectors with locking function by pushing the part indicated by the arrow mark Part name Control P C board assembly Procedure 1 Remove the sub board base from the inverter assembly ST1T 24 x 8 2 pcs Remove connector at control P C board assembly side 2 Remove lead wires and connectors con nected from the control P C assembly to the other parts 1 Lead wires Connection with power terminal block 3 wires Black White Orange Single phase Red White Black Orange Three phase Earth wire Black 1 wire 2 Connectors Connection with compressor Relay connector White Note 1 Reactor 2P Relay connector White CN300 Outdoor fan
66. me Count 1 During backup Count 2 Count 3 control Count 4 Count 5 Count 6 Count 7 Protective operation PMV opening data Lower 4 bit data Add 16 pulses Add 8 pulses Add 4 pulses Add 2 pulses if this LED goes on if this LED goes on if this LED goes on if this LED goes on PMV opening data Upper 4 bit data Add 256 pulses Add 128 pulses Add 64 pulses Add 32 pulses if this LED goes on if this LED goes on if this LED goes on if this LED goes on The total pulse counts equivalent to lighting LED at each position represents PMV opening degree For example the case of 6 OO Upper 4 bit Lower 4 bit represents 256 32 4 2 294 pulses O Goon 6 Gooff lt 1Hz flash 5Hz flash For Models ROA AP40 to AP80 the error mode judgment by the above LED display is available under condi tion which Application Control Kit TCB PCOS1E sold separately is connected Note Never touch part other than Dip switch of Application Control Kit TCB PCOS1E AC230V is applied to all the electronic products so an electric shock may be caused 34 8 4 Contents of Error Display When multiple errors are detected the latest error is displayed When LED display is O Go on there is the main cause of trouble on the objective part of control at CDB side and the unit stops When LED display is Flash there is the main cause of trouble on the objective
67. n detection BP White CN500 Case thermo 2P Blue Note 1 CN700 4 way valve 3P Yellow Note 1 CN702 PMV coil 6P White Note 1 CN800 Connection with IPDU P C board 5P Red Note 1 01 Connection with IPDU P C board Red Note 1 CNO2 Indoor outdoor connecting terminal block 3P Black Note 1 03 Connection with IPDU P C board 3P White Note 1 04 Connection with IPDU P C board 2P White Note 1 Note 1 Unlock the lock of housing part and then disconnect the connectors 3 Remove claws fixing P C board at four corners and then remove the cycle P C board 4 Install a new cycle P C board 68 Remarks Cycle P C board P C board fixing hooks 4 positions Part name IPDU P C board Procedure 1 Perform the works in item 2 Take off screws of the inverter assembly and then classify the inverter assembly M4 x 8 3 pcs hooks at two positions 3 Disconnect connectors and lead wires connected from IPDU P C board to other parts 1 Connector 04 Connection with cycle P C board 3P White Note 1 CNO5 Connection with cycle P C board 2P White Note 1 06 Connection with cycle P C board Red CN13 Connection with cycle P C board BP Red Note 1 CN600 Heat sink sensor 2P Black Note 1 Lead wire 01 Connection with power supply terminal block Red CNO2 Connec
68. ndenser Ass y 4302C048 Motor Fan ICF 140 43 4 SM561AT E 43020329 Fan Propeller PJ421 43043720 Condenser Ass y 43047667 Nut Flange SM801AT E 43032441 Nipple Drain 43046392 Valve Packed 6 35 43089160 Cap Waterproof SMS61AT E 43050407 Thermostat Bimetal 43046393 Valve Packed 12 7 43063339 Holder Sensor TO 5 561 43049749 Rebber Cushion 43146584 Valve Packed 9 52 DIA 43063321 Holder Sensor SM801 AT E 43146670 Valve Packed 15 9 eee SM801 AT E older Sensor 43147196 Bonnet 1 4 IN SM561AT E 43063317 Holder Thermostat zuo bo 2 Mi 022A oO A N o 73 Location No Location Description No Description 43050410 Sensor TD 4306A116 Terminal Block 6P 43050412 Sensor TE 4316V254 P C Board Ass y SW 43050413 Sensor TS MCC 1530 43050415 Sensor TO 4316V268 PC Board Ass y MCC 5009 43062228 Base P C Board 74 RAV SM1101AT E RAV SM1401AT E 4 15 16 17 Description Description 43050406 Cabinet Air Outled 43149324 Rubber Cushion EPDM 43191636 Cabinet Front Ass y 43146619 Valve 4 WAY STF 0213Z 43191635 Cabinet Side Ass y 43146611 Coil Solenoid 43005491 Panel Upper VHV 01AJ502E1 43191633 Guard Fin 43146634 Valve Pulse Modulating 43191651 Guard Fan 43146663 Coil
69. ompressor Indoor Outdoor Indoor heat Outdoor heat revolutions per Indoor temp conditions exchanger exchanger second rps fan DB WB C Ps Pd Ps TD TS TC TE Indoor Standard 27 19 Overload 32 24 Low load 18 15 5 Standard 20 Overload 30 Low load 15 10 70 MPa kg cm G Discharge Suction 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 10 4 WIRING DIAGRAM RAV SM561AT E RAV SM801AT E Compressor CN300 BLK dunes Q300 305 IGBT gt P C Board MOS FET MCC 5009 m d ale ETI ola d Gi CN700 F03 7 0 101 Varistor 3 15 9 AC250V M Surge absorber Varistor 2 T CN602 1 F01 Fuse Q T25A AC250V 8 P10 2 601 4 ORN BLK WH TRE IL if IL if if 1 CRLONE P7 BLK 17 d E v Ls LL Qes og n ese RED RED 4 way valve Power supply GRY GRAY indoor unit 220 240V j 50Hz PNK PINK TS Suction pipe emp sensor TO Outdoor Temp sensor Discharge pipe Temp sensor Condensor pipe Temp sensor COLOR IDENTIFICATION WHI WHITE BRW BROWN ORN ORANGE YEL YELLOW PUR PURPLE F01 Fuse T25A
70. ompressor case thermo operation Coming off of detection part of indoor heat exchanger sensor Check indoor heat exchanger sensor TC Check indoor P C board Main P C board Check indoor temp sensor TA Check indoor P C board Main P C board Check indoor temp sensor TC Check indoor P C board Main P C board Coming off disconnection or short of indoor temp sensor TCJ No display in the setting at shipment Operation continues 54 Displayed when error is detected Check indoor temp sensor TCJ Check indoor P C board Main P C board Error mode detected by indoor unit 1 Operation of diagnostic function Block Judgment and measures display Status of air conditioner Condition Cause of operation MODE lamp Error in indoor fan system Displayed when 1 Check indoor fan motor connector 5Hz flash Revolutions frequency error is detected circuit CN210 error of fan Check indoor fan Check indoor board Main P C board Error in indoor unit or Operation Displayed when 1 Check indoor P C board other positions continues error is detected EEPROM and peripheral circuits Main P C 1 EEPROM access error Main board Outside error input Operation Displayed when 1 Check outside devices continues error is detected Detected by input voltage Check indoor P C board level from outside devices M
71. ools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 265 Use vacuum pump by b Pipe bender 10 Hexagon wrench attaching vacuum pump adapter 6 Level vial Opposite side 4mm 2 torque wrench 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 17 6 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment HET When the compound gauges pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s Connect the charge hose to packed valve service power switch port at the outdoor unit s gas side C tthe ch h fth Keep the status as it is for 1 to 2 minutes and ensure Beste nose ME VACUUM PUMP that the compound gauge s pointer does not return mm Set the refrigerant cylinder to the electronic balance fully both packed valves at liquid gas connect the connecting hose to the cylinder and the SID
72. ous trouble By using tools and materi als exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pres sure in the refrigeration cycle becomes abnor mally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 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 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 9 4
73. perature operation controlled in heating operation Is not Thermo OFF setup by Application Control Kit TCB PCOS1E sold separately b 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 Did you return the cabling to the initial positions Q 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 Check defective Trouble gt no c When 4 way air discharge cassette type wireless remote controller is connected 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 me
74. ping end open Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m3 Hr or 0 02 MPa 0 2kgf cm by means of the reducing valve 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 Remove the flux completely after brazing Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder _ gas Rubber plug Fig 6 5 1 Circuit Configuration and Control Specifications 20 DAN F01 02 25A fuse P C board earth lead 0802 gt lt 4 Black High power factor diode lt 1 Q404 7 2 S C12 13 14 High power factor circuit IGBT electrolytic capacitor Qm 3 v F03 3 15A fuse 5 3 m DBO1 D L pas power supply lead Single phase rectifier diode gt 9 2 LM o ly lead Sod phase power supply lea gt lt TN White c ee Serial lead Orange i Reactor lead connector me White nn CN701 7 8 Py 4 way valve connector i RY701 4 way valve relay CN300 Comp lead Fan motor connector Red White Black CN602 Outdoor temperature TO sensor connector CN806 Optional connector CN600 Heat exchange temperature TE sensor connector CN603 Suction temperature TS sensor connector k 3 CN6
75. rant pipe at gas side at liquid side 1 012 7 6 4 Packed valve Packed valve Min 5m Packed valve Packed valve Outer dia Outdoor unit Outer dia OB PMV Ter sr Pulse Motor Valve 2 step muffler sensor CAM B30YGTF 1 19 05 200L TD sensor 4 way valve 5 01082 Muffler Heat exchanger 019 x L160 08 ripple 2 rows 14 steps FP1 3 flat fin pistiputor Rotary compressor DA150A1F 20F Cooling Heating Pipe surface temperature Indoor Outdoor Compressor temp conditions Indoor heat Outdoor heat i 2 revolutions per MPa kg cm G Discharge Suction exchanger exchanger second DB WB Pd Ps Pd Ps TD TS TC TE Indoor Outdoor Standard 3 27 19 Overload 3 32 24 Low load 1 gt 18 15 5 Standard 2 20 7 6 Overload 2 28 24 18 Low load 1 i 15 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 8 RAV SM801 AT E Air heat exchanger TC sensor Outer diameter of refrigerant pipe Gas side Liquid side OB
76. recovered by operation of the valve 4 After recovery of the refrigerant push the refrig DANGER erant recovery switch SW802 together with closing the valve The operation stops 5 Turn off the power supply Take care for an electric shock because the control P C board is electrified 2 Applicable Control of Outdoor Unit You can response to the following items by attaching the parts sold separately Application control kit TCB PCOS1E Demand controls t saves the capacity of the outdoor unit by outside Demand signal to correspond to the temporary peak cut The capacity saving can be adjusted with three steps 75 50 and operation stop Night operation control Sound reduction Sound is controlled to 45dB or less in inputting a timer point contact Compressor operation output gt The check of the compressor operation time required of a maintenance etc 57 9 DETACHMENTS RAV SM561 RAV SM801AT E Part name Common procedure Procedure REQUIREMENT Never forget to put on the gloves at working time otherwise an injury will be caused by the parts etc 1 Detachment 1 Stop operation of the air conditioner and turn off switch of the breaker 2 Remove the valve cover 5 1 24 x 10 1 pc After taking off screws remove the valve cover while pulling downward Remove the wiring cover ST1T 04 x 8 2 pcs and remove the power supply cable and indoor outdoor conne
77. rror Is there no connection error disconnection of CN076 connector NO NO 1 Is capacitor normal Replace capacitor YES Is there no mechanical lock YES Replace fan motor of fan motor NO Check indoor P C board YES Correct connector connection wire circuit Defect Replace P10 error Ob error Is connection of float switch connector NO Correct connection of connector Indoor control P C board CH34 normal YES NO Does float switch operate YES NO Is circuit cabling normal Check and correct cabling wiring YES Check indoor P C board Defect Replace id NO Does drain pump operate YES Y NO Check indoor P C board Is power of drain pump turned on Defect gt Replace YES Check drain pipe etc Replace drain pump Check cabling F10 error 0 error NO 5 Correct connection of connector YES Are characteristics of TA sensor NO Replace TA sensor resistance value normal YES Refer to Characteristics 1 Check indoor P C board Defect Replace 40 P12 error 11 error Turn off the power Are not there connections errors or YES Correct connection of connector disconnection on connectors CN333 and CN334 of indoor unit P C board Remove connectors CN
78. rt 500 or more ten 300 yor more Minimum eee eee a distance up to wall 2 011 x 14 long hole Discharge For 08 010 anchor bolt port RAV SM801 AT E Drain hole 025 A legs Drain hole 2 020 x 88 long hole 2 011 14 U hole For 208 5210 anchor bolts Connecting pipe port Flare 015 9 at gas side Connecting pipe port Flare 09 5 at liquid side S MT 5548 og o c 8 06 hole For fixing outdoor unit 2 011 x 14 long hole For 28 910 anchor bolts 257 WN NWY D 27 WS SS SSY SQ ER S LL 483 449 f f SR LEE 22 h tH ZZ Za crt N 35 Earth Guard for air discharge Charge port terminal 4 04 5 embossing 24 STS used For mounting air direction guide Space required for service Anchor bolt mounting dimension Product D 600 external line 2 011 x 14 U shape holes Suction port For 28 010 anchor bolt gE lea Ss amp 300 Suction gt more t pepe sse ver gt 150 or more external line LED eldistance up to wall 500 2 011 x 14 long hole Details of A legs Details of B legs
79. s communication line of indoor outdoor has failed Next the room temp sensor is defective For No 16 unit the high pressure switch at the inverter unit side operates 17 4 2121 co 8 4 4 Check Code Table Block display MODE TIMER lamp 5Hz flash MODE lamp 5Hz flash Check code A Error mode detected by indoor unit 1 Operation of diagnostic function Cause of operation The serial signal is not output from outdoor unit to indoor unit Miswiring of inter unit wires Defective serial sending circuit on outdoor P C board Defective serial receiving circuit on outdoor P C board Compressor case thermo operation Status of air conditioner Operation continues Condition Displayed when error is detected Judgment and measures Outdoor unit does not completely operate nter unit wire check correction of miswiring Outdoor P C board check board wires check Compressor case thermo check In normal operation When outdoor sending serial LED Green flashes the receiving serial LED Orange also flashes Indoor P C board Main P C board check When the receiving serial LED Orange does not flash Outdoor P C board check BUS communication circuit error BUS communication was interrupted over the specified time Network address miss setting Addresses of central controllers Central control remote controller etc are
80. s control suppresses that voltage becomes abnormally higher during cooling operation 2 Stop the compressor under condition of TE gt 67 C and count 1 on the error count After 2 minutes 30 seconds passed if TE lt 67 C the compressor restarts and the error count is cleared when the operation continues for 10 minutes When TE gt 67 is detected again within 10 minutes 1 is added to the error count and restart is repeated If the error counts 10 are recognized it is determined as an error and restart is not performed Error code P04 is displayed After restarting the compressor continue controlling by using 70 to 90 of the control value of the current release control for minimum 30 minutes 8 Over current preventive control D This control function stops the compressor when over current preventive circuit has detected an abnormal current The compressor restarts with error count 1 after 2 minutes 30 seconds Q If the error counts 8 are recognized it is determined as an error and restart is not performed Error code H01 HO or P26 is displayed 9 Current release value shift control Cooling and Dry operation 1 Object SM1101 SM1401 D This control function prevents troubles of the electron parts such as G Tr of inverter of compressor drive system and troubles of the compressor during cooling operation This control function corrects the current release control value I1 in item 7
81. shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Existence of Whether Whether new equipment new equipment tional equipment be used with for R410A can be used conventional refrigerant Flare tool Pipe flaring Note 1 OK Copper pipe gauge for adjusting projection margin Torque wrench Connection of flare nut NO GOOD NO GOOD Flaring by conventional flare tool Note 1 Note 1 Gauge manifold Evacuating refrigerant charge run check etc NEHSOOB NO GOOD Charge hose Vacuum pump adapter Vacuum evacuating NO GOOD OK Electronic balance for Refrigerant charge NO GOOD OK refrigerant charging Refrigerant cylinder Refrigerant charge NO GOOD NO GOOD Leakage detector Gas leakage check NO GOOD OK Charging cylinder Refrigerant charge NO GOOD NO GOOD eG ooo 6060 Jo Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional t
82. sor is defective a backup control is automatically performed by TE sensor For a case of defective TO sensor judge it with the outdoor LED display 4 Coil heating is controlled by TD and TE sensor 5 For every model the power is turned off when TD is 30 C or more 2 59 In trouble of TE sensor 18 Power ON condition 15 TD lt 30 C No power ON 20 No power ON Continuous ON L 12 Bless 10 Continuous ON Continuous ON M Continuous ON L TD sensor is read in once per 15 minutes TO sensor is read in once per 15 minutes Object SM561 SM801 SM1101 SM1401 L 20W and equivalent No power ON M 40W and equivalent Continuous ON L SM561 SM801 7 4 L 10W and equivalent H 30W and equivalent 26 NOTIFICATION It is not an abnormal phenomenon that electro noise may be heard while heating the coil 6 Short intermittent operation preventive control D The compressor may not stop for preventing the compressor for 3 to 10 minutes after start of the operation even if Thermo OFF signal has been received from the indoor This phenomenon is not abnormal Continuous operation time of the compressor differs according to the operating status Q If the equipment is stopped from the remote controller the operation does not continue 7 High pressure suppression TE control Only for SM1101 SM1401 D Thi
83. t AC side is high even during compressor OFF i deeded 2 Phase missing operation of power supply Phase of power supply is missed Check 3 phase power voltage and wires Outdoor unit and other errors Communication error between CDB and IPDU i Displayed when 1 Check wires of CDB and IPDU de Stop error is detected 2 Abnormal overload operation of refrigerating cycle Detection of temperature over specified value i Circi Operation continues Displayed when 1 Check power phase order Reversed phase phase missing Phase detection protective circuit operates Normal models Compressor stops error is detected 2 Check outdoor P C board i i le leak e Discharge temperature error Stop Displayed when 2 M eye Qas leak Di ifi error is detected Discharge temperature over specified value was detected 3 Check Td sensor 1 Overload operation of refrigerating cycle High pressure protection error by TE sensor Displayed when e Stop nari 2 Check outdoor temperature sensor TE Temperature over specified value was detected error is detected 3 Check outdoor CDB board 1 Defective detection of position Displayed when 2 Over current protective circuit of outdoor fan driving unit operates Outdoor DC fan error Stop error is detected 3 Lock of outdoor fan 4 Check outdoor CDB P C board e Inverter over current protective circuit operates For a short time Sto Displayed
84. the remote controller set FAN operation to the indoor unit 3 Pushing the refrigerant recovery switch on the terminal block of the outdoor unit starts the forced cooling operation Max 10 minutes and then the refrigerant is recovered by operation of the valve 4 After recovery of the refrigerant push the refrig erant recovery switch together with closing the valve The operation stops 5 Turn off the power supply Refrigerant recovery switch WARNING Never touch these switches Otherwise the air conditioner may not operate normally DANGER Take care for an electric shock because the control P C board is electrified RAV SM1101AT E RAV SM1401 AT E When recovering refrigerant in case of reinstallation of the indoor or outdoor unit etc use the refrigerant recovery switch SW802 on the cycle control P C board of the outdoor unit Work procedure Outdoor unit cycle control P C board SW 1 Turn on the power supply o o BO 2 Using the remote controller set FAN operation to v recovery the indoor unit 3 Pushing the refrigerant recovery switch SW802 50901 on the cycle control P C board of the outdoor unit aM CN804 starts the forced cooling operation Max 10 lt Optional connector minutes and then the refrigerant is
85. thod 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 20 8 2 Check Code List Wireless sensor lamp display Wired remote controller Error mode detected by indoor unit Diagnostic function Check code Cause of operation No communication from remote controller including wireless and communication adapters Status of air conditioner Stop Automatic reset Condition Displayed when error is detected Flash Go on 6 Go off Judgment and measures Check cables of remote controller and communication adapters Handy remote controller LCD display OFF Disconnection Central remote controller 97 check code 9 The serial signal is not output from outdoor unit to indoor unit Miswiring of inter unit wires Defective serial sensing circuit on outdoor P C board Defective serial receiving circuit on indoor P C board Stop Automatic reset Displayed when error is detected Outdoor unit does not completely operate Inter unit wire check correction of miswiring case thermo operation Outdoor board check P C board wires check In normal operation P C board Indoor receiving Outdoor send
86. tion with power supply terminal block White CNO3 Connection with power supply terminal block Black CNO7 Earth wire Black CN14 Connection with reactor White CN15 Connection with reactor White CNO9 Connection with compressor Red CN10 Connection with compressor White CN11 Connection with compressor Black Note 1 Unlock lock of the housing part and then disconnect the connectors 4 Remove lead wires of 3 phase rectifier 5 pcs 5 Remove cover of the heat sink M4 x 8 3 pcs 6 Take off screws 2 pcs fixing the heat sink with IGBT remove claws 4 positions of P C board support and then remove IPDU PC board 7 Install a new IPDU P C board 69 Remarks IPDU P C board 3 phase rectifier Gray Orange Black Brown Red from rear side Heat sink cover Part name Fan motor Procedure 1 Perform the works in item 1 of and 1 of 2 Take off flange nut fixing fan motor with propeller fan The flange nut is loosened by turning it clockwise Turn it counterclockwise to tighten it 3 Remove the propeller fan 4 Disconnect connector for fan motor from the inverter 5 Take off the fixing screws 4 pcs while supporting the fan motor so that it does not fall Caution when assembling fan motor Tighten the flange nut with torque 4 9Nm 50kgf cm Pay attention that the reactor at rear side of the inverter does not come to contact with the fan mo
87. tor lead REQUIREMENT Using bundling band sold at a market be sure to fix the fan motor lead wires to the motor base so that they do not come to contact with the propeller fan 270 Remarks Flange nut Propeller fan Motor base Loosened by turning clockwise Fix with bundling band Part name Compressor PMV coil Procedure 1 Recover the refrigerant gas 2 Perform the works in item 1 of 1 of and 3 Remove the piping panel Front Take off screws of the piping panel Front and the bottom plate HEX screw 24 x 10 2 pcs Take off screws of piping panel Front and piping panel Rear HEX screw 24 x 10 1 pc Remove the valve fixing plate Take off screws of the valve fixing plate and the partition board ST1T 024 x 8 2 pcs Take off screws of valve fixing plate and valves at liquid and gas sides M6 4 pcs Remove the partition board Take off screws of the partition board and bottom plate ST1T 24 x 8 1 pc Take off screws of the partition board and the end plate of the heat exchanger ST1T 04 x 8 2 pcs Remove the noise proof plate Remove terminal cover of the compressor and then remove case thermo of the com pressor 8 Remove the sensor and pipe cover fixed to the discharge pipe 9 Using a burner remove pipe connected to the compressor NOTE Pay attention to that flame does not involve 4 way valve or PMV If doing so a malfunction may be
88. trol D The outdoor fan is controlled by TE TD and TO sensors and also revolution frequency of the opera tion The outdoor is controlled by every 1 tap of DC fan control 15 taps Q Only during 60 seconds after the operation has started the fan is fixed with the maximum fan tap which corresponds to the zone in the following table After then the fan is controlled by TE sensor temperature Considering a case that TE sensor has come out of the holder the fan is controlled so that revolution frequency of the fan increases regardless of TE if temperature of TD sensor has risen SM561 SM801 SM1101 SM1101 Operation with WE TE C TD 1 tap 20 seconds 85 80 rpm hold Operation with maximum tap in 75 each zone 1 tap 20 seconds 65 J4 225525 Usual fan control The operation frequency differs according to the model type Below 30Hz Above 30 Hz below 45 Hz Above 45 Hz Temp range Min Max Min Max Min Max 29 C TO 15 TO 29 C 5 TO lt 15 C 0 lt TO lt 5 C lt 0 TO error 25 2 Heating fan control The outdoor fan is controlled by TE sensor TO sensor and the operation frequency From Min W1 to Max are controlled according to the following table Q During 3 minutes after start up the fan is fixed with the maximum fan tap corresponding to TE C zone in the following table After then the fan is
89. uoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping Used material brazing filler Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapor flux D Do not enter flux into the refrigeration cycle When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation D Attach a reducing valve and a flow meter to the Nitrogen gas cylinder Q Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 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 When the Nitrogen gas is flowing be sure to keep the pi

Download Pdf Manuals

image

Related Search

Related Contents

Broward County ARES/RACES  ERC - Productos-Bituminosos-S.A.  Agilent 1290 Infinity II Multicolumn Thermostat  Bedienungsanleitung für das SURVEYOR® Scan    M96 / M96A  Using the firmware of the AT command set  Chromalox SRCCH-2 User's Manual  GE PV976NSS Instructions / Assembly  GS-24 Installation Guide  

Copyright © All rights reserved.
Failed to retrieve file