ToshibaメーカーRAS-13UAV-E2の使用説明書/サービス説明書
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FILE NO. SVM-03008 SER VICE MANU AL AIR CONDITIONER SPLIT W ALL TYPE Jun., 2003 RAS-13UKV -E2 / RAS-13U A V -E2.
– 1 – FILE NO. SVM-03008 CONTENTS 1. SPECIFICA TIONS 1-1 Specifications 1-2 Operation Characteristic Cur ve 1-2 Capacity V ariation Ratio According to T emperature 2. REFRIGERANT R410A 2-1 Saf ety Dur ing Installation/Ser vicing 2-2 Refrigerant Piping Installation 2-3 T ools 2-4.
– 2 – FILE NO. SVM-03008 10. HO W T O DIA GNOSE THE TR OUBLE 10-1 First Confirmation 10-2 Primar y Judgment 10-3 Judgment b y Flashing LED of Indoor Unit 10-4 Self-Diagnosis b y Remote Control (Ch.
– 3 – FILE NO. SVM-03008 1. SPECIFICA TIONS 1-1. Specifications Unit model Indoor RAS-13UKV -E2 Outdoor RAS-13U A V -E2 Current limited — Cooling capacity (kW) 3.5 Cooling capacity range (kW) 0.9 – 4.0 Heating capacity (kW) 4.2 Heating capacity range (kW) 0.
– 4 – FILE NO. SVM-03008 1-2. Operation Characteristic Curve <Cooling> <Heating> 7 6 5 4 3 2 1 0 Current (A) Compressor speed (r ps) 0 20 40 60 80 100 • Conditions Indoor : DB 27 ° .
– 5 – FILE NO. SVM-03008 (5) After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant gas leaks into the room, coming into contact with fire in the fan-driv en heater , space heater , etc.
– 6 – FILE NO. SVM-03008 T able 2-2-1 Thic knesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A R22 1/4 6.35 0.
– 7 – FILE NO. SVM-03008 A (mm) Con ventional flare tool Clutch type Wing nut type 1/4 6.35 0.8 0 to 0.5 1.0 to 1.5 1.5 to 2.0 3/8 9.52 0.8 0 to 0.5 1.0 to 1.5 1.5 to 2.0 1/2 12.70 0.8 0 to 0.5 1.0 to 1.5 2.0 to 2.5 5/8 15.88 1.0 0 to 0.5 1.0 to 1.
– 8 – FILE NO. SVM-03008 (2) Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not hav e any scar or dust, etc. b) Correctly align the processed flare surf ace with the union axis. c) Tighten the flare with designated torque b y means of a torque wrench.
– 9 – FILE NO. SVM-03008 2-3. T ools 2-3-1. Required tools The ser vice por t diameter of pack ed valv e of the outdoor unit in the air conditioner using R410A is changed to pre vent mixing of other refrigerant. T o reinf orce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (F or ∅ 12.
– 10 – FILE NO. SVM-03008 2-4. Recharging of Refrigerant When it is necessary to recharge refr igerant, charge the specified amount of new refrigerant according to the f ollo wing steps. Recov er the refrigerant, and check no refrigerant remains in the equipment.
– 11 – FILE NO. SVM-03008 1 Be sure to make setting so that liquid can be charged. 2 When using a cylinder equipped with a siphon, liquid can be charged without tur ning it upside down. It is necessar y f or charging refr igerant under condition of liquid because R410A is mix ed type of refrigerant.
– 12 – FILE NO. SVM-03008 (2) Characteristics required for flux • Activated temper ature of flux coincides with the brazing temperature . • Due to a wide eff ective temperature range , flux is hard to carbonize . • It is easy to remov e slag after brazing.
– 13 – FILE NO. SVM-03008 3. CONSTRUCTION VIEWS 3-1. Indoor Unit Connecting pipe (0.33m) Flare ∅ 9.52 Knock out system Back body Front panel Air outlet Air inlet Air filter Heat exchanger Knock .
– 14 – FILE NO. SVM-03008 3-2. Outdoor Unit 52 R15 R5.5 36 Service port Gas side (Flare ∅ 9.52) Liquid side (Flare ∅ 6.35) Electrical part cover B Detail drawing (Front Leg) B 600 or more A Detail drawing (Back Leg) 600 32.
– 15 – FILE NO. SVM-03008 4. WIRING DIA GRAM 4-1. Indoor Unit T able 4-1-1 Simple Check f or Failure Diagnosis Refer to the service data f or the detailed failure diagnosis. 1 2 3 4 5 6 Diagnosis Result Chec k to see if the OPERA TION indicator goes on and off when the main s witch or breaker is turned on.
– 16 – FILE NO. SVM-03008 4-2. Outdoor Unit P .C. BO ARD (MCC-813).
– 17 – FILE NO. SVM-03008 5. SPECIFICA TION OF ELECTRICAL P ARTS 5-1. Indoor Unit No. Parts name T ype Specifications 1 F an motor (for indoor) ICF-340-30-2 DC 340 V , 30 W 2 Thermo.
– 18 – FILE NO. SVM-03008 6. REFRIGERANT CYCLE DIA GRAM 6-1. Refrigerant Cycle Dia gram Note : • The maximum length of the pipe f or this air conditioner is 15 m. The additional charging of refrigerant is unnecessar y because this air conditioner is designed with charge-less specification.
– 19 – FILE NO. SVM-03008 Note : (1) Measure surface temper ature of heat exchanger pipe around center of heat e xchanger path U bent. (Thermistor themometer) (2) Connecting piping condition : 5m T emperature condition ( ° C) Indoor Outdoor 27/19 35/ – 13UKV -E2 0.
– 20 – FILE NO. SVM-03008 REMO TE CONTROL Remote Control Operation (START/STOP) Operation Mode Selection AUTO, COOL, DRY, HEAT, FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver Auto Swing Louver Direction Setting ECO Hi power Filter Reset Infrared Rays 7.
– 21 – FILE NO. SVM-03008 7-2. Outdoor Unit (In ver ter Assembl y) 220 − 240 V 50/60 Hz MICRO-COMPUTER BLOCK DIA GRAM Over current sensor Driver circuit of P.M.V. Over current sensor Heat exchanger temp.sensor Suction temp. sensor Outdoor air temp.
FILE NO. SVM-03008 – 22 – (1) Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the f ollowing functions. • Judgment of suction air temper ature of the indoor heat e xchanger by using the indoor temp .
FILE NO. SVM-03008 – 23 – (3) Contents of operation command signal (Serial signal) from indoor unit controller to outdoor unit controller The f ollowing three types of signals are sent from the indoor unit controller .
FILE NO. SVM-03008 – 24 – 8-1-4. Prevent-freezing control The indoor heat e xchanger sensor detects refr igerant v apor temperature in COOL/DR Y operation.
FILE NO. SVM-03008 – 25 – 8-1-8. Outdoor fan contr ol (DC fan motor) Although the outdoor f an motor dr ives the outdoor f an by non-step v ariable system of the re volution speed, the re volution speed is restricted to three steps on the conv enience of controlling.
FILE NO. SVM-03008 – 26 – 8-2. Description of Operation Circuit • T urning [ON] the breaker flashes the operation lamp . (1Hz) This is the display of po wer-ON (or notification of power f ailure).
FILE NO. SVM-03008 – 27 – Air flow rate RAS-13UKV -E2 (rps) HIGH 77 M+ 65 MED . 53 L – , L 30 UL, SUL 30 (4) Limit for maxim um compressor motor speed by indoor fan speed When outdoor temperatur.
FILE NO. SVM-03008 – 28 – [Basic control] *1,*2 : Appro ximate rev olution speed of M + and L to linear accordingly to temperature. Fig. 8-2-6 Setting of air flow [Cold draft preventing contr ol] The upper limit of f an rev olution speed is shown below .
FILE NO. SVM-03008 – 29 – Fig. 8-2-8 (4) Defrost contr ol 1) Detection of frost In heating operation, time duration while the compressor operates is counted, and defrost operation star ts by an y condition descr ibed below .
FILE NO. SVM-03008 – 30 – 2) Defrost operation Operation of the compressor is stopped once, turn off power coupler f or 4-way v alves after 10 seconds, and then e xchange the 4-wa y val ves . After 20 seconds, restar t operation of the compressor .
FILE NO. SVM-03008 – 31 – 8-3. T emporar y Operation • T empor ar y Auto operation, e xistence of A uto Restar t, and T empor ar y Cooling operation can be set by the TEMPORAR Y button of the indoor controller .
FILE NO. SVM-03008 – 32 – 8-4-1. How to set auto restart function T o set the auto restar t function, proceed as f ollows: The power supply to the unit m ust be on; the function will not set if the power is off . Push the [TEMPORAR Y] button located in the center of the front panel continuously f or three seconds .
FILE NO. SVM-03008 – 33 – 8-4-3. P ower failure during timer operation When the unit is in timer operation, if it is turned off because of power f ailure, the timer oper ation is cancelled.
FILE NO. SVM-03008 – 34 – 8-6. Remote Contr ol and its Functions 8-6-1. Parts name of remote control 1 1 1 1 1 Infrared signal emitter T r ansmits a signal to the indoor unit. 2 2 2 2 2 ST ART/ST OP button Push the button to start operation. (A receiving beep is heard.
FILE NO. SVM-03008 – 35 – • In the illustration, all indications are indicated f or explanation. During operation, only the rele vant indications will be indicated on the remote control.
FILE NO. SVM-03008 – 36 – 8-7. Hi PO WER Mode ([Hi PO WER] b utton on the remote contr ol is pushed.) When [Hi PO WER] button is pushed while the indoor unit is in A uto , Cooling or Heating operation, Hi PO WER mar k is indicated on the displa y of the remote control and the unit operates as f ollows .
– 37 – FILE NO. SVM-03008 9. INST ALLA TION PROCEDURE 9-1. Sa f ety Cautions CA UTION • THIS AIR CONDITIONER USES THE NEW HFC REFRGERANT (R410A), WHICH DOES NO T DESTRO Y THE OZONE LA YER. R410A refrigerant is apt to be affected b y impurity such as water , o xidizing membranes, and oils because the pressure of R410A refrigerant is approx.
– 38 – FILE NO. SVM-03008 D ANGER • FOR USE BY QU ALIFIED PERSONS ONL Y . • TURN OFF MAIN PO WER SUPPL Y BEFORE A TTEMPTING ANY ELECTRICAL WORK. MAKE SURE ALL PO WER SWITCHES ARE OFF . F AILURE T O DO SO MA Y CA USE ELECTRIC SHOCK. • CONNECT THE CONNECTING CABLE CORRECTL Y .
– 39 – FILE NO. SVM-03008 9-1-1. Installation Diagram of Indoor and Outdoor Units Shield pipe A ir f ilt e r H oo k Hook (Attach to the front panel) 65 mm or more 1 Installation plate 1 7 0 m m o .
– 40 – FILE NO. SVM-03008 9-1-2. Optional installation par ts <Fixing bolt arrangement of outdoor unit> Fig. 9-1-2 • Secure the outdoor unit with the fixing bolts and nuts if the unit is lik ely to be exposed to a strong wind. • Use ∅ 8 mm or ∅ 10 mm anchor bolts and nuts .
– 41 – FILE NO. SVM-03008 Pa r t No. 1 2 3 P ar t name (Q ’ ty) Installation plate x 1 Wireless remote control x 1 Battery x 2 P ar t name (Q ’ ty) Remote control holder x 1 Zeolite filter x 1 Purifying filter x 1 Pa r t No.
– 42 – FILE NO. SVM-03008 • Incidentally , the “refr igerant cylinder” comes with the refrigerant designation (R410A) and protector coating in the U .
– 43 – FILE NO. SVM-03008 9-2. Indoor Unit 9-2- 1. Installation place • A place which provides the spaces around the indoor unit as shown in the abov e diagram. • A place where there is no obstacle near the air inlet and outlet. • A place that allows easy installation of the piping to the outdoor unit.
– 44 – FILE NO. SVM-03008 <When the installation plate is directl y mounted on the wall> 1. Securely fit the installation plate onto the wall by screwing it in the upper and lo wer par ts to hook up the indoor unit.
– 45 – FILE NO. SVM-03008 9-2- 4. Wiring connection <How to connect the connecting cable> Wiring of the connecting cable can be carried out without removing of the fr ont panel. 1. Remove the air inlet grille. Open the air inlet grille upward and pull it tow ard you.
– 46 – FILE NO. SVM-03008 <How to fix the Drains Cap> 1) Inser t hexagonal wrench ( ∅ 4 mm) in a center head. Fig. 9-2-11 2) Firmly inser t drains cap . Fig. 9-2-12 CA UTION Fir mly inser t the drain hose and drain cap; otherwise, w ater may leak.
– 47 – FILE NO. SVM-03008 2. Put water in the drain pan and make sure that the water is dr ained out of doors. 3. When connecting extension drain hose , insulate the connecting par t of extension dr ain hose with shield pipe. Fig. 9-2-20 CA UTION Arrange the drain pipe f or proper drainage from the unit.
– 48 – FILE NO. SVM-03008 9-3-2. Refrigerant piping connection <Flaring> 1. Cut the pipe with a pipe cutter. Fig. 9-3-2 2. Inser t a flare nut into the pipe, and flare the pipe .
– 49 – FILE NO. SVM-03008 9-3-3. Evacuating After the piping has been connected to the indoor unit, you can perf orm the air purge together at once. AIR PURGE Ev acuate the air in the connecting pipes and in the indoor unit using a vacuum pump . Do not use the refrigerant in the outdoor unit.
– 50 – FILE NO. SVM-03008 <Stripping length of connection cable> Fig. 9-3-9 CA UTION • Wrong wiring connection may cause some electrical par ts burn out. • Be sure to comply with local codes on running the wire from indoor unit to outdoor unit (size of wire and wiring method etc).
– 51 – FILE NO. SVM-03008 9-3-5. Gas leak test Fig. 9-3-10 • Check the flare nut connections f or the gas leak with a gas leak detector or soap water . 9-3-6. T est operation T o s witch the TEST R UN (COOL) mode, push TEMPORAR Y button for 10 sec.
– 52 – FILE NO. SVM-03008 Inverter cover P . C. board (Soldered surface) Discharging position (Discharging period 10 seconds or more) Plug of soldering iron 10. HO W T O DIA GNOSE THE TR OUBLE The pulse modulating circuits are mounted to both indoor and outdoor units.
– 53 – FILE NO. SVM-03008 10-1-3. Operation which is not a troub le (Program operation) For controlling the air conditioner , the program oper ations are built in the microcomputer as described in the f ollowing table. If a claim is made for running operation, check whether or not it meets to the contents in the f ollowing table.
– 54 – FILE NO. SVM-03008 10-3. Judgment b y Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner , if the protective circuit operates , the contents of self-diagnosis are displa yed with bloc k on the indoor unit indication section.
– 55 – FILE NO. SVM-03008 PRESET F AN MODE Hi-POWER ON OFF SET CLR ECO AU TO TIMER CLOCK CHECK RESET FIL TER FIX SWING MEMO ST ART/STOP A B AU TO A SET CLR CLOCK CHECK RESET 10-4. Self-Diagnosis by Remote Contr ol (Check Code) (1) If the lamps are indicated as shown B to H in T ab le 10-3-1, excute the self-diagnosis b y the remote control.
– 56 – FILE NO. SVM-03008 10-4-2. Caution at servicing (1) After ser vicing, push the ST AR T/ST OP button to return to the nor mal mode. (2) After ser vicing by the chec k code, turn off breaker of the power supply , and tur n on breaker of the power supply again so that memor y in the microcomputer returns the initial status.
– 57 – FILE NO. SVM-03008 Block distinction Operation of diagnosis function Judgment and action Check Bloc k Check Cause of operation Air conditioner Remarks code code status Inv er ter over-current protective circuit operates .
– 58 – FILE NO. SVM-03008 10-5. J udgment of T rouble b y Every Symptom 10-5-1. Indoor unit (Including remote contr o) (1) P ower is not turned on (Does not operate entirel y) <Primary chec k> 1. Is the supply v oltage nor mal? 2. Is the normal voltage pro vided to the outdoor unit? 3.
– 59 – FILE NO. SVM-03008 (2) P ower is not turned on though Indoor P .C. boar d is replaced <Confirmation procedure> T urn on power supply . Does operation lamp flash? YES YES NO NO Is wired connectly to white and black lead wires of terminal block? Correct wirng.
– 60 – FILE NO. SVM-03008 (3) Only indoor fan motor does not operate. <Primary chec k> (1) Is it possible to detect the po wer supply voltage (200 – 240 V) between 1 and 2 on the terminal .
– 61 – FILE NO. SVM-03008 (4) Indoor fan motor automaticall y star ts to rotate b y turning on power supply . <Cause> The IC is built in the indoor f an motor . Therefore the P .C. board is also mounted to inside of the motor . If the P .C .
– 62 – FILE NO. SVM-03008 Press ST ART/STOP button. Is transmission mark indicated? Press RESET button on remote control with tip of pencil. Is receiver on indoor unit exposed to direct sunlight? .
– 63 – FILE NO. SVM-03008 Measure gas pressure. Gas shortage Pipe clogging Thermo operation of compressor Gas circulation amount is down. Gas leak 10-5-2.
– 64 – FILE NO. SVM-03008 10-6. Chec k Code 1C (Miswiring in indoor/outdoor units) and 1E <Check pr ocedure> NO NO NO NO YES YES YES YES YES Gas leakage, disconnection of TS/TC sensors (Check code 02, 1C) Discharge temp.
– 65 – FILE NO. SVM-03008 10-7. How to Diagnose T roub le in Outdoor Unit 10-7-1. Summarized inner diagnosis of in verter assembly Diagnosis/Pr ocess flowchart Item Contents Summary Preparation Chec k Chec k Operation Measurement Chec k Stop Chec k Measurement If fuse was b lown, be sure to check the electrolytic capacitor and diode bloc k.
– 66 – FILE NO. SVM-03008 Check Operation → OK if 10M Ω or more → OK if 0.51 Ω → 0.57 Ω (Check b y a digital tester .) a) One or two of three v oltages should be 5 V , and others should be 0V . (When all are 0V or 5 V , it is not accepted.
– 67 – FILE NO. SVM-03008 T able 10-8-1 (3) Check pr ocedures No. Procedure Check points (Symptom) Causes 1 T urn off the power supply and remov e the P .C. board assemb ly from electronic par ts base. Remov e the connecting cables from the terminal block.
– 68 – FILE NO. SVM-03008 10-8-2. P .C. board lay out [1] Sensor characteristic table TD : Discharge temp . sensor T A : Room temp . sensor TC : Heat e xchanger temp. sensor T O : Outdoor temp . sensor TE : Outdoor heat exchanger temp . sensor TS : Suction temp.
– 69 – FILE NO. SVM-03008 1 Room temp. (T A) sensor Heat exchanger (TC) sensor 2 Remote control 3 Louver motor MP24GA 4 Indoor fan motor Disconnect the connector and measure the resistance value with tester . (Nor mal temp .) T o item of How to judge whether remote control is good or bad of the J udgment of trouble b y symptom.
– 70 – FILE NO. SVM-03008 1 Electrolytic capacitor 1. T ur n OFF the power supply break er . (For r aising pressure, smoothing) 2. Discharge all three capacitors completely . 3 . Check that saf ety valv e at the bottom of capacitor is not broken. 4 .
– 71 – FILE NO. SVM-03008 If the resistance value between 1 (Yellow lead) − 4 (Pink lead) of the connector (CN301 : Motor position detection) is 5k to 20k Ω , it is normal.
FILE NO. SVM-03008 – 72 – 11-1. Indoor Unit 11. HO W T O REPLA CE THE MAIN P ARTS No. Part name Procedures Remarks 2 4-Screws 2 2 2 3 2 Screws 3 Drain guide 5 TC Sensor 6 Screws 4 2-Connectors 3 Left shaft 2 Center shaft How to remo ve the front panel 1) Stop operation of the air conditioner and tur n off its main power supply .
FILE NO. SVM-03008 – 73 – 1) Remove the front panel, electrical par t and the horizontal louv er with the procedure 3 . 2) Remove the pipe holder on the rear side of the main unit. 3) Remove 2 scre ws of the heat exchanger on the base bearing side.
FILE NO. SVM-03008 – 74 – 1) Remov e the front panel, electr ical par t, horizontal louver and the heat e xchanger with the procedure 4 . 2) Remov e 2 screws of the band motor (L) and other 2 screws of the band motor (R) and then remov e the cross flow f an.
FILE NO. SVM-03008 – 75 – Fuse C01 T01 IC01 C02 R01 R04 CN10 C03 R05 L01 DB01 R Y01 CN13 IC03 IC02 CN04 1) T ur n the power supply off to stop the operation of air conditioner . 2) Remove the front panel. • Remov e the 4 fixing scre ws . 3) Remove the electrical par t base.
FILE NO. SVM-03008 – 76 – 11-3. Outdoor Unit 1. Detachment 1) Stop operation of the air conditioner , and tur n off the main s witch of the breaker f or the air conditioner . 2) Remov e the valv e cover . (ST1T ∅ 4 x 10 s 1 pc.) • After removing scre w , remov e the valv e cover pulling it downward.
FILE NO. SVM-03008 – 77 – 1) Perf orm wor k of item 1 of 1 . 2) Remove screw (ST1T ∅ 4 x 10 s 2 pc.) of the upper par t of the front cabinet. • If removing the in ver ter cov er in this condition, P .C. board can be check ed. • If there is no space in the upper par t of the upper cabinet, perf or m work of 2 .
FILE NO. SVM-03008 – 78 – 1) Disconnect lead wires and connectors connected from the control board assembly to other parts. 1. Lead wires • Connection with terminal block : 3 wires (Black, White.
FILE NO. SVM-03008 – 79 – 1) Perf orm wor k of item 1 of 1 and 2 . 2) Remove the flange nut fixing the f an motor and the propeller fan. • Flange nut is loosened b y tur ning clockwise. (T o tighten the flange nut, turn counterclock- wise.) 3) Remove the propeller f an.
FILE NO. SVM-03008 – 80 – 1. Detachment 1) P erform work of item 1 of 1 , and 2 , 3 , 5 . 2) T urn the coil clockwise (counterclockwise) b y 90 degrees , and remove coil from the pulse modulating v alve.
FILE NO. SVM-03008 – 81 – 1) Cut the sensor 100 mm longer than old one. 2) Cut the protectiv e tube after pulling out it (200 mm). 3) Mov e the protective tube tow ard the ther mal sensor side and tear the tip of lead wire in two , then strip the cov er ing par t.
FILE NO. SVM-03008 – 82 – <P .C. board la yout> MCC-813.
FILE NO. SVM-03008 – 83 – 12. EXPLODED VIEWS AND P ARTS LIST 12-1. Indoor Unit (E-Parts Assy) Location P ar t Description No. No. 401 43T69319 T emperature Sensor , TC 10k Ω 25 ° C 402 43T60001 T erminal, 2P AC300V , 20A 403 43T69320 T emperature Sensor , T A 10k Ω 25 ° C Location P ar t Description No.
FILE NO. SVM-03008 – 84 – 12-2. Indoor Unit Location P ar t Description No. No. 201 43T00366 F ront P anel Assy 202 43T09316 Inlet Grille Assy 203 43T03302 Back Body Assy 204 43T80301 Air Filter 2.
FILE NO. SVM-03008 – 85 – 12-3. Outdoor Unit Location P ar t Description No. No. 01 43T00377 Cabinet, Front, Assy 02 43T00381 Cabinet, Back, Assy 03 43T42304 Base, Assy 04 43T00380 Cabinet, Upper .
FILE NO. SVM-03008 – 86 – 12-4. Outdoor Unit (E-Parts Assy) Location P ar t Description No. No. 701 43T62312 Heatsink 702 43T69345 P .C. Board 703 43T60027 T erminal 6P 704 43T60326 Fuse Location P ar t Description No. No. 705 43T50305 T emperature Sensor 706 43T50304 T emperature Sensor 707 43T62313 Base-Plate-P .
FILE NO. SVM-03008 – 87 – TOSHIBA CARRIER CORPORA TION.
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