Toshiba RAS-22LAV-UL Bedienungsanleitung

R 410 A FILE NO. SVM-10020 SE R VICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit <High W all, Heat Pump T ype> <Heat Pump T ype> RAS- 15L KV- UL RAS- 15L AV- UL RAS- 17L KV- UL RAS- 17LAV - UL RAS- 22L KV- UL RAS- 22LAV - UL February, 2010[...]

– 2 – CONTENTS 1 . SAFETY PRECA UTIONS .......................................................................... 3 2 . SPECIFIC A TIONS ..................................................................................... 6 3 . REFRIGERANT R410A ............................................................................. 9 4 . CONST R UCTION [...]

1. SAFETY PREC A UTIONS Installing, staring up, and servicing air-conditioning equipment can be hazardous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.). Only trained, qualified installers and service mechanics should install, start-up, and service this equipment. Untrained personnel can pe[...]

DANGER • FOR USE BY QUALIFIED PERSONS ONLY. • TURN OFF MAIN POWER SUPPLY BEFORE.ATTEMPTING ANY ELECTRICAL WORK. MAKE SURE ALL POWER SWITCHES ARE OFF. FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK. • CONNECT THE CONNECTING CABLE CORRECTLY. IF THE CONNECTING CABLE IS CONNECTED WRONGLY, ELECTRIC PARTS MAY BE DAMAGED. • CHECK THE EARTH WIRE THAT IT[...]

CAUTION CAUTION • Exposure of unit to water or other moisture before installation could result in electric shock. Do not store it in a wet basement or expose to rain or water. • After unpacking the unit, examine it carefully for possible damage. Report any damages to your distributor. • Do not install in a place that can increase the vibratio[...]

FILE NO. SVM-10020 2. SPECIFICATIONS  − 6 − Unit model Indoor RAS-15LKV-UL RAS-17 LKV-UL Outdoor RAS-15LAV-UL RAS-17L AV-UL Cooling capacity (Btu/h) 15000 16200 Cooling capacity range (Btu/h) 2750 - 17050 3750 - 20450 H eat i ng capac i ty ( B tu/h) 18000 20200 H eat i ng capac i t y range ( B tu/h) 2750 - 21500 2750 - 21500 Power supply Ele[...]

FILE NO. SVM-10020  − 7 − Unit model Indoor RAS-22LKV-UL Outdoor RAS-22LAV-UL Cooling capacity (Btu/h) 21400 Cooling capacity range (Btu/h) 4100-22500 Heating capacity (Btu/h) 23200 Heating capacity range (Btu/h) 3450-24350 Power supply Electric Indoor Operation mode characteristic Running current (A) Power consum ption (W ) Power fac tor (%[...]

– 8 – 120 100 80 60 40 20 0 Outdoor Temperature (°C) 100 95 90 85 80 75 70 65 60 55 50 105 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 –15 – 1 0 – 50 51 0 Outdoor Temperature (°C) Capacity Ratio (%) Capacity Ratio (%) Condition Indoor: DB80°F/WB67°F I ndoor Air-Flow Volume: High Pipe Length: 25 ft (7.5m) Capacity Ratio: 100% = 15000 [...]

– 9 – 3. REFRIGERANT R410A This air conditioner adopts the ne w refrigerant HFC (R410A) which does not damage the ozone la y er . The working pressure of the new refrigerant R410A is 1.6 times higher than con v entional refrigerant (R22). The refr igerating oil is also changed in accordance with change of refrigerant, so be careful that water ,[...]

– 10 – T able 3-2-1 Thic knesses of annealed copper pipes Nominal diameter (in.) 1/4 3/8 1/2 Outer diameter (mm) 6.35 9.52 12.70 Thi c kness in. (mm) R410A R22 0.0315 ( 0.8 0 ) 0.0315 (0.80) 0.0315 (0.80) 2. Joints F or copper pipes, flare joints or soc ket joints are used. Prior to use, be sure to remo v e all contaminants. a) Flare Joints Fla[...]

– 11 – A ØD d) Flare Processing Make certain that a clamp bar and copper pipe ha v e been cleaned. By means of the clamp bar , perf or m the flare processing correctly . Use either a flare tool f or R410A or conv en- tional flare tool. Flare processing dimensions diff er according to the type of flare tool. When using a con- ventional flare to[...]

– 1 2 – 43˚ to 45˚ 45˚ to 46˚ B A C D T able 3-2-6 Flare and flare nut dimensions f or R22 Fig. 3-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not hav e any scar or dust, etc. b) Correctly align the processed flare surf ace with the un[...]

– 1 3 – 3-3. T ools 3-3-1. Required T ools The ser vice por t diameter of pac ked v alve of the outdoor unit in the air-w ater heat pump 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 n ut ( F or ∅ 1/2 Ø 12.7 copp[...]

– 1 4 – Connect the charge hose to pack ed valv e ser vice por t at the outdoor unit ’ s gas side. Recov er the refr igerant, and chec k no refrigerant remains in the equipment. (F or refr igerant charging, see the figure below .) Connect the charge hose to the vacuum pump adapter . Open fully both pack ed valv es at liquid and gas sides. Pla[...]

– 15 – Gauge manifold [ Cylinder with siphon ] [ Cylinder without siphon ] OUTDOOR unit Gauge manifold OUTDOOR unit Refrigerant cylinder Electronic balance Refrigerant cylinder Electronic balance Siphon 1. Be sure to mak e setting so that liquid can be charged. 2. When using a cylinder equipped with a siphon, liquid can be charged without tur n[...]

– 16 – Nitrogen gas cylinder Pipe Flow meter M Stop valv e F rom Nitrogen cylinder Nitrogen gas Rubber plug 2. Characteristics required for flux • Activated temper ature of flux coincides with the brazing temperature . • Due to a wide eff ective temperature r ange, flux is hard to carbonize . • It is easy to remov e slag after brazing. ?[...]

– 1 7 2-13/16(72) 3-1/16(78) 2-9/ 16( 65) 9-1/4(235) 8-7/16(215) 2-15/32(63) 4-29/32(125) 31/32(26) 2-13/16(72) 9-1/4(235) 8-7/16(215) 2-9/16(65) 9/32(7) 8-15/16(228) 1-15/16(50) 1-15/16(50) 2-3/16(56) 1-15/16(50) 2"(50) 3-1/16(78) 30-15/16(786) 6-3/4(157) 3/4(19) 12-19/32(320) 41-5/16(1050) 9/32(7) 1(23) 3-11/32(85) 1-9/16(40) 12-19/32(320)[...]

4-2. Outdoor Unit 10-7/8 (275) 2-23/32 ( 69 ) 3-17/32 ( 90 ) 3-17/32 ( 90 ) 23-5/8 ( 600 ) 17-5/32 ( 436 ) WIRE GUARD 12-19/32 (320) 4-1/4 ( 108 ) 4-15/16 ( 125 ) 3-3/8 ( 86 ) 1 ( 25 ) Water Drain Outlet 4-9/16 ( 116 ) A B 13-1/2 (342) COVER PACKED VALVE 11-7/16 ( 290 ) 21-11/16 ( 550 ) View Z 5-9/16 ( 141 ) 2-3/32 ( 53 ) 3-15/32 ( 88 ) Liquid side[...]

5. WIRING DIA GRAM FILE NO. SVM-10020 1 1 2 2 1 1 2 2 1 1 2 2 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1010 11 11 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1010 11 11 1 1 2 2 3 3 4 1 2 3 4 4 5 5 1 1 3 3 4 4 5 5 6 6 Outdoor T erminal Block POWER SUPPL Y Indoor T erminal Block L1 L 2 S L1 L2 S 3 1 Heat Exchanger GRN&YEL BLK BLK (BLU) WHI RED (Fr[...]

6. SPECIFICA TIONS OF ELECTRICAL P ARTS 6-1. Indoor Unit 11 Pressure SW. ACB-4UB82W 4.7 MPa 15LKV-UL, 17LKV-UL ( f or indoo r ) 22LKV-UL 2 R oom te m p. s en s or ( T A - s en s o r ) 10 k Ω at 25°C 3 Heat exchanger tem p. sensor (TC- sensor) 10k Ω at 25°C 4 Louver m otor Output (Rated) 1W, 16 poles, DC12V ( − ) ( − ) MP24Z3T ICF-340U30-2[...]

– 21 – 7. REFRIGERANT CYCLE DIA GRAM 7-1. Refrig erant Cycle Diagram RAS- 15LKV-UL / RAS-15LAV-UL, RAS-17LKV-UL / RAS-17LAV-UL NOTE : • The maximum pipe length of this air conditioner is 66 ft ( 20m ) . When the pipe length e xceeds 50 ft ( 15m ) , the additional charging of ref r ige r ant, 0.22 oz/ft ( 20g per 1m ) f or the pa r t of pipe e[...]

RAS- 22LKV-UL / RAS-22LAV-UL NOTE : • The maximum pipe length of this air conditioner is 66 ft ( 20m ) . When the pipe length e xceeds 50 ft ( 15m ) , the additional charging of ref r ige r ant, 0.22 oz/ft ( 20g per 1m ) f or the pa r t of pipe e xceeded 50 ft ( 15m ) is required. Max. : 66 ft ( 20m ) Min. : 6.6ft ( 2m ) Chargeless : 50ft ( 15m )[...]

7-2. O p eration Data <Coolin g > Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition [°F (°C) ] RAS- pressure pipe temp. fan mode fan mode revolution Indoor Outdoor P [p si (MPa) ] T1 [ °F (°C) ] T2 [ °F (°C) ] (rps) 80/67 98/75 131 to 160 52 to 55 40 to 42 (26.7/19.4) (35/23.9) (0.9 to 1.1) (11 to 13) (37[...]

– 2 4 – 8. CONTROL BLOCK DIA GRAM 8-1. Indoor Unit M.C.U. Indoor Unit Control Unit From Outdoor Unit 208/230-1-60 Serial Signal Communication (Operation Command and Information) Serial Signal Transmitter/Receiver Converter (D.C circuit) Noise Filter Indoor Fan Motor Louver Motor Louver Motor Drive Control Indoor Fan Motor Control Initializing C[...]

– 2 5 – 8-2. Outdoor Unit (In ver ter Assembly ) 208/230-1-60 MICRO-COMPUTER BLOCK DIA GRAM Driver circuit of P.M.V. Heat exchanger temp.sensor Suction temp. sensor Outdoor air temp. sensor Discharge temp. sensor Indoor unit send/receive circuit Relay circuit Noise Filter Converter (AC → DC) Clock frequency 4MHz High Power factor Correction c[...]

– 2 6 – 9. OPERA TION DESCRIPTION 9-1. Outline of Air Conditioner Control This air conditioner is a capacity-v ar iable type air conditioner , which uses DC motor for the indoor f an motor and the outdoor fan motor . And the capacity- propor tional control compressor which can change the motor speed in the range from 11 to 120 r ps is mounted. [...]

– 27 − 9-2. Operation Description 9-3. Auto Restart Function .. 9-3-1. H o w to Cancel the A uto Resta rt Function .. ...................... ........................................ 44 9-3-2. H o w to set the Au to Resta r t Function . ..................................................................... 45 9-3-3. P o wer F ailure During Timer [...]

– 28 – Item 1. Basic ope r ation Operation flow and applicable data, etc. 1. Operation control Description Receiving the user ’ s operation condition setup , the operation statuses of indoor/outdoor units are controlled. 1) The operation conditions are selected by the remote controller as shown in the belo w . 2) A signal is sent by ON button[...]

 − 29 − Ope r ation ON Setup of remote controller Indoor fan motor control / Louver control / Operation Hz Control (Requierment) Indoor unit control Sending of operation command signal Outdoor unit control [ ] Compressor revolution control / Outdoor fan motor control / 4- w a y v al v e control In cooling ope r ation: ON In heating operation[...]

– 30 – Item 2. Indoor f a n motor control Operation flow and applicable data, etc. <In cooling operation> (This operation controls the f an speed at indoor unit side.) The indoor f an (cross flow fan) is oper ated by the phase- control induction motor . The f an rotates in 5 stages in MANU AL mode, and in 5 stages in A UT O mode, respec- [...]

– 31 – Item 2. Indoor f a n motor control Operation flow and applicable data, etc. <In heating operation> Description [In starting and in stability] (Fig. 3) (Fig. 4) (Fig. 5) Cold draft preventive contr ol (Fig. 6) L L+ M M+ H W8 (L + M) / 2 WA (M + H) / 2 WE Indication F an speed F an speed setup HEAT ON AU T O YES NO MANU AL TC ≥ 108[...]

– 3 2 – Item 3. Outdoor f a n motor control Operation flow and applicable data, etc. The blo wing air volume at the outdoor unit side is controlled. Receiving the operation command from the controller of indoor unit, the controller of outdoor unit controls f an speed. * For the f an motor, a DC motor with non-stage v ariable speed system is use[...]

– 33 – Item 4. Capacity control Operation flow and applicable data, etc. The cooling or heating capacity depending on the load is adjusted. According to diff erence between the setup value of tempera- ture and the room temperature, the capacity is adjusted b y the compressor re volution. Description 1) The difference betw een set temperature on[...]

– 34 – Item 6. Release protective control by tempera- ture of indoor heat exchanger Operation flow and applicable data, etc. <In cooling/dry operation> (Pre vent-freezing control f or indoor heat exchanger) In cooling/dr y operation, the sensor of indoor heat e xchanger detects ev aporation temperature and controls the compressor speed so[...]

– 35 – Item Operation flow and applicable data, etc. Description 7. Defrost control (Only in heating operation) (This function remov es frost adhered to the outdoor heat e xchanger .) The temperature sensor of the outdoor heat e x- changer (T e sensor) judges the frosting status of the outdoor heat e xchanger and the defrost operation is perf o[...]

Horizontal blowing Inclined blowing Blowing downward Air direction Inclined blowing Horizontal blowing Initial setting of "Cooling storage position" Louver : Horizontal blowing (37.4 ° ) Heating operation/ AUTO (HEAT) Initial setting of “ Heating storage position ” Louver : Directs downward ( 76.9 ˚ ) Item 8. Lou v er control 1) Lou[...]

– 37 – Item 9. EC O ope r ation Operation flow and applicable data, etc. When pressing [ECO] b utton on the remote controlle r , a Economic ope r ation is pe r f o r med . <Cooling operation> This function operates the air conditioner with the diff erence between the set and the room temperature as sho wn in the f ollowing figure. Descrip[...]

– 38 – Item 10. Temporary operation Operation flow and applicable data, etc. Pressing [RESET] button starts the temporar y opera- tion of [A UT O] operation. When keeping [RESET] button pressed f or 10 seconds or more, the temporary [COOL] operation is perf or med. Description 1) When pressing [RESET] button, the temporary [A UTO] oper ation st[...]

– 39 – Item 12. Pulse Modulating valve (P.M.V.) Operation flow and applicable data, etc. This function controls throttle amount of the refrigerant in the refr igerating cycle . According to operating status of the air conditioner , this function also controls the open degree of v alve with an e xpansion v al v e with pulse Modulation. Descripti[...]

– 40 – Item 13. Self-Cleaning Operation flow and applicable data, etc. 1. Purpose The Self-Cleaning operation is to minimize the growth of mold, bacteria etc. by running the f an and dr ying so as to keep the inside of the air conditioner clean. Self-Cleaning operation When the cooling or dry operation shuts down, the unit automatically starts [...]

Item 13. Self-Cleaning function Operation flow and applicable data, etc. • Self-Cleaning diagram Description Operation displa y ON OFF OFF FCU f an ON ON OFF r pm is depend on presetting. (500RPM) FCU lou v er OPEN OPEN (12.7º) CLOSE Timer display ON or OFF ON ON or OFF depend on presetting of timer function. depend on presetting of timer functi[...]

Item Operation flow and applicable data, etc. Description − 42 − FILE NO. SVM-10020 14. Remote-A or B selection 1. Purpose This operation is to operate only one indoor unit using one remote controller . 2. Description When operating one indoor unit in a situation where two indoor units ha ve been installed in the same room or nearby rooms , thi[...]

Item Operation flow and applicable data, etc. Description . − 43 − FILE NO. SVM-10020 . 17 . One-Touch One touch comfort is the fully automated operation that is set according to the preferable condition in a region. 0 12 25 AUTO * AUTO/L L Fan Operation Time after operation starts (min) Comfort *AUTO/L: Fan operates depends on the setting temp[...]

Item Operation flow and applicable data, etc. Description . − 44 − FILE NO. SVM-10020 19. FILTER When the elapsed time reaches 1000 hours after Indicator conditioner operation, the FILTER indicator lights. After cleaning the filters, turn off the FILTER indicator. How to Turn Off FILTER Indicator Press [RESET] button on the indoor unit. NOTE : [...]

– 45 – 9-3. A uto Resta r t Function (Default setting from factory is ON). This indoor unit is equipped with an automatic restar ting function which allows the unit to restar t operating with the set operating conditions in the e vent of a po wer supply being accidentally shut down. The operation will resume without warning three minutes after [...]

– 46 – 9-3-3. Power Failure During Timer Operation • If Timer operation is set and the power supply shut down accidentally, the previous Timer setting will be cancelled. • Daily-Timer operation will be not affected by power supply failure, if the remote controller is Operation Press [RESET] b utton f or more than three seconds. (Less than 1[...]

1 1 1 1 Infrared signal emitter Start/Stop button Mode select button (MODE) Temperature button (TEMP) Fan speed button (FAN Swing louver button (SWING) Set louver button (FIX) On timer butto n (ON) Off timer button (OFF) Sleep timer button (SLEEP) Setup button (SET) Clear button (CLR) Memory and Preset button (PRESET) One Touch button (ONE-TOUCH) H[...]

– 48 – 4. DRY OPERATION (COOLING ONLY) For dehumidification, a moderate cooling performance is controlled automatically. 1. Press MODE : Select Dry . 2. Press MODE : Set the desired temperature. 5. Hi-POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating Press HI-POWER : Start and stop the operation[...]

− 49 − 9. PRESET OPERATION Set your preferred operation for future use. The setting will be memorized by the unit for future operation (except air flow direction). 1. Select your preferred operation. 2. Press and hold PRESET for 3 seconds to memorize the setting. The mark P displays. 3. Press PRESET : Operate the preset operation. 10. AUTO REST[...]

– 50 – FILE NO. SVM-10020 9- 4 - 3 . Name and Functions of Indications on Remote Cont r oller [Displa y] All indications, e xcept f or the clock time indicator , are display ed by pressing the button. 1 T ransmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit. 2 Mode indicator Indicates[...]

– 51 – 10. INST ALLA TION PROCEDURE 10-1. Installation Diagram of Indoor and Outdoor Units Before installing the wireless remote controller • Loading Batteries 1. Remove the battery cover. 2. Insert 2 new batteries (AAA type) following the (+) and ( − ) positions. 3 Batteries 2 Wireless remote controller A C L FILE NO. SVM-10020 Insulate th[...]

– 52 – FILE NO. SVM-10020 Fig. 10 - 2 - 1 Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be e xposed to a strong wind. Use ∅ 5/16 in. ( ∅ 8 mm) or ∅ 3/8 in. ( ∅ 10 mm) anchor bolts and nuts. · · A P ar ts name Refrigerant piping Liquid side : ∅ 1/4 in. ( ∅ 6.35 mm) Gas side : 1/2 in. ( ∅ 12.7 mm ) Pi[...]

– 53 – 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 Filter (RB-A620DE) x 2 Pa r t No. 4 5 6 Pa r t No. 7 8 Others Name Owner ’ s ma n ual Installation ma n ual P ar t name (Q ’ ty) Mounting screw ∅ 4 x 25 s x 6 Flat head wood scre w [...]

– 54 – 10-2-3. Installation/Ser vicing T ools Changes in the product and components In the case of an air conditioner using R410A, in order to pre vent an y other refr igerant from being charged accidentally , the ser vice por t diameter of the outdoor unit control v alv e (3 wa y valv e) has been changed. (1/2 UNF 20 threads per inch) • In o[...]

– 55 – 10-3. Indoor Unit 10-3-1. Installation Location • A location which pr o vides enough spaces around the indoor unit as sh o wn in the dia g r am. • A location where there are no obstacle near the air inlet and outlet. • A location which all o ws easy installation of the piping to the outdoor unit. • A location which all o ws the f[...]

– 56 – When the installation plate is directly mounted on the wall 1. Securely fit the installation plate onto the wall b y scre ws with the upper and lower catches, that hold the indoor unit, f acing out. 2. T o mount the installation plate on a concrete wall use anchor bolts. Drill the anchor bolt holes as illustrated in the abo v e figure. 3[...]

– 57 – CA UTION • Be sure to ref er to the wiring system diagr am labeled inside the front panel. • Chec k local electrical regulations f or any specific wiring instr uctions or limitations. 10-3-5. Piping and Drain Hose Installation Piping and drain hose f orming • Since condensation results in machine troubl e , make sure to insulate bo[...]

– 58 – 3/16 in. No gap Do not apply lubricating oil (refrigerant machine oil) when inserting the drain cap. If applied, deterioration and drain leakage of the drain plug may occur. How to attac h the drain cap 1. Inse r t h e xagonal wrench 3/16 in. (4 mm). Fig. 10-3-13 2. Fir mly inser t drain cap. Fig. 10-3-14 How to attac h the drain hose Al[...]

– 59 – CA UTION • Bind the auxiliar y pipes (two) and connecting cab le with f acing tape tightly . In case of leftward piping and rear-leftward piping, bind the auxiliar y pipes (two) only with f acing tape . Fig. 10-3-18 • Carefully arrange the pipes so that none of the pipes stic k out of the rear plate of the indoor unit. • Carefully [...]

CA UTION Install the drain pipe f or proper drainage . Improper drainage can result in w ater dr ipping inside the room. This air conditioner has been designed to drain water collected from condensation which f or ms on the back of the indoor unit, to the drain pan. Therefore, do not locate the pow er cord and other par ts at a heigh place than the[...]

FILE NO. SVM-100 20 Do not apply excess torque. Otherwise, the nut may crack depending on the conditions. Outer dia. of copper pipe Tightening torque Ø1/4 in. (Ø6.35 mm) 10 to 13 lbf.ft (14 to 18 N·m) Ø3/8 in. (Ø9.52 mm) 24 to 31 lbf.ft (33 to 42 N·m) Ø1/2 in. (Ø12.70 mm) 37 to 46 lbf.ft (50 to 62 N·m) Half union Flare nut Externally threa[...]

1. The supply voltage must be the same as the rated voltage of the air conditioner. 2. Prepare the power source for exclusive use with the air conditioner. NOTE : Power supply cord • Wire type : minimum AWG14 Stripping length of the Power supply cord and Inter connecting cable L 1 L 2 L 1 L 2 S Inter connecting cable Power supply cord T erminal b[...]

. Gas side Ø1/2 in. (Ø12.70 mm) 37 to 46 lbf.ft (50 to 62 N·m) Gas side Ø3/8 in. (Ø9.52 mm) 24 to 31 lbf.ft (33 to 42 N·m) Liquid side Ø1/4 in. (Ø6.35 mm) 10 to 13 lbf.ft (14 to 18 N·m) Service port 10 to 13 lbf.ft (14 to 18 N·m) Hexagon wrench is required. 3/16 in. (4 m m • KEEP IMPORTANT 5 POINTS FOR PIPING WORK. (1) Take away dust an[...]

– 64 – 10-7. OTHERS 10-7-1. Gas Leak Test Check the ß are nut connections for the gas leak with a gas leak detector or soap water . Check places for ß are nut connection (indoor unit) Check places for the outdoor unit. V alve cover 10-7-2. Test Operation To switch the TEST RUN (COOL) mode, press RESET button for 10 seconds. (The beeper will m[...]

Remote cont r oller A- B selection T o separate using of remote controller f or each indoor unit in case of 2 air conditioner are installed nearly . Remote cont r oller B Setup. 1. Push RESET button on the indoor unit to turn the air conditioner ON. 2. P oint the remote controller at the indoor unit. 3. Push and hold CHK b utton on the remote contr[...]

– 6 6 – 11. HO W T O DIA GNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units. Theref ore, diagnose troubles according to the troub le diagnosis procedure as descr ibed below . (Ref er to the check points in ser vicing written on the wir ing diagrams attached to the indoor/outdoor units.) T able 11-1   ?[...]

– 6 7 – CA UTION A high v oltag e (equivalent to the suppl y voltage) is also energized to ground thr ough the sensors, PMV and other low-v oltage circuits. The sensor leads and other wires are covered with insulated tubes f or protection. Nevertheless, care must be taken to ensure that these wires are not pinched. T ake sufficient care to avoi[...]

– 6 8 – 11-1. First Confirmation 11-1-1. Confirmation of P ower Supply Confir m that the pow er breaker operates (ON) normally . 11-1-2. Confirmation of P ower V oltage Confi r m that p o w er v oltage is A C 2 08 –230 ± 10%. If power v oltage is not in this range, the unit ma y not operate normally . 11-1-3. Operation Which is not a T roubl[...]

– 69 – 11-2. Primar y J udgment T o diagnose the troubles, use the f ollowing methods . 1) Judgment b y flashing LED of indoor unit 2) Self-diagnosis b y ser vice check remote controller 3) Judgment of troub le by e v er y symptom Firstly use the method 1) f or diagnosis. Then, use the method 2) or 3) to diagnose the details of troubles. 11-3. [...]

– 70 – 11-4. Self-Diagnosis by Remote Contr oller (Check Code) 1. If the lamps are indicated as shown B to E in T able 11-3-1, e xecute the self-diagnosis b y the remote controller . 2. When the remote controller is set to the ser vice mode, the indoor controller diagnoses the operation condition and indicates the inf or mation of the self-diag[...]

FILE NO. SVM-10020 11-4-2 Caution at Servicing 1. After using the service mode of remote controller finished, press the [ ] button to reset the remote controller to normal function. 2. After finished the diagnosis by the remote controller, turn OFF power supply and turn its ON again to reset the air conditioner to normal operation. However, the che[...]

FILE NO. SVM-10020 Block distinction Operation of diagnosis function Check code Block Check code Cause of operation Air conditioner status Display flashing error Serial signal 1) Defective wiring of the Indoor unit Flashes when 1) to 3) The outdoor unit never and connecting connecting cable or operates error is detected. operate. cable. miss-wiring[...]

Block distinction Operation of diagnosis function Check code Block Check code Cause of operation Air conditioner status Display flashing error Outdoor P.C. Current on inverter circuit All OFF Flashes after 1. Remove connecting lead wire of the board is over limit in short time. error is detected compressor, and operate again. Inverter P.C. board is[...]

Block distinction Operation of diagnosis function Check code Block Check code Cause of operation Air conditioner status Display flashing error Compressor drive output error. All OFF Flashes after 1. Check installation conditions such as (Relation of voltage, current error is detected packed valve opening, refrigerant and frequency is abnormal) 4 ti[...]

Block distinction Operation of diagnosis function Check code Block Check code Cause of operation Air conditioner status Display flashing error Compressor does not rotate. All OFF Flashes after 1. Remove connecting lead wire of the Because of missed wiring, error is detected compressor, and operate again. missed phase or shortage. 4 times*. 2. If ou[...]

FILE NO. SVM-10020 11-5. Judgement of Trouble by Every Symptom 11-5-1. Indoor unit (Including remote controller) (1) Indoor unit is not operated. (2) Operation is not turned on though Indoor P.C. board is replaced <Confirmation pr ocedure> NO T ur n off power supply once, and 5 second later , tur n it on again. Is OPERA TION indicator flashin[...]

(3) On l y the indoor motor fan does not operate <Prima r y c he c k> 1. Is it possi b le to detect the p o w er supply v oltage ( A C 208 – 2 3 0V) bet w een and on the te r minal b lo c k? 2. Does the indoor f an motor ope r ate in cooling operation? (In heating ope r ation, the indoor f an motor does not ope r ate f or appr o ximately 10[...]

Turn off indoor unit and rotate cross-flow fan by hand when the unit is on standby. At this time, is it possible to detect DC 1V or more between 5 + and 3 – of motor connector (CN 31). Is it possible to change airflow level to “HIGH”? Is it possible to rotate cross-flow fan by hand properly? Fan motor operates normally. Replace bearing of cro[...]

(4) Indoor fan motor automatically starts to rotate by turning on po wer supply FILE NO. SVM-10020 – 79 – Indoor fan starts rotating when power supply is turned on. (Check output DC voltage of fan motor on P.C. board.) Measure voltage between 3 (GND : BLACK) and 5 (V line : YELLOW) of motor connector (CN 31 ) while indoor fan motor is rotating.[...]

FILE NO. SVM-10020 – 80 – NO YES Push the [ ] button. Is transmission mark indicated? The unit does not beep at all. Operation lamp on indoor unit is not indicated. Is receiver on indoor unit exposed to direct sunlight? Avoid direct sunlight. Keep indoor unit away from fluorescent light. Does indoor unit operate when moving remote controller ne[...]

FILE NO. SVM-10020 – 81 – Refer to the chart in 11-6. Gas leak P.M.V. is defective. Miswiring of connecting wires of indoor/outdoor units Clogging of pipe and coming-off of TC sensor Gas circulation amount is down. Measure gas pressure. Gas shortage Gas leak Pipe clogging Thermo. operation of compressor Red White T er minal bloc k S5277G T este[...]

– 82 – 11-6. Check Code 18 and 1E <Chec k procedure> Gas leakage, disconnection of TS/TC sensors (Check code 02, 1C) Discharge temp . error , gas leakage (Check code 03, 1E) 1C 1E Set it correctly . Set it correctly . Set it correctly . Replace coil valv e. Replace valv e. Add gas. Existence of condensation at outlet of PMV If there is co[...]

11-7. How to Diagnose Trouble in Outdoor Unit YES Turn ON the unit by remote controller and wait for 3 min. Check component parts of control board assembly by visual. (damage, burn,.. Etc.) Check Power Supply (Voltage Rate ±10%) Replace fuse. NO YES YES YES Turn OFF power supply. Check 25A fuse (F01) failure? Remove connector of compressor. Replac[...]

– 84 – YES Does outdoor fan operate normally? Replace control board. YES YES Compressor is normal Check voltage of the compressor connector (AC150V-270V)? Turn ON power supply. NO Remove connector CN300 of outdoor fan motor. Check winding resistance by ohmmeter are correct? Check rotor locking by rotate Turn OFF power supply. Replace outdoor fa[...]

FILE NO. SVM-10020 – 85 – (2) Inspection pr ocedures 1) When a P .C . board is judged to be def ective, check f or disconnection, burning, or discolora- tion of the copper f oil patter n or this P .C . board. 2) The P .C. board consists of the f ollowing 2 par ts a. Main P .C. boar d part: DC p o w er supply circuit (5 V , 12 V ), Indoor f an m[...]

– 86 – 11- 8 -2. P .C. Boa r d L a y out 100 30 40 50 60 70 80 90 20 10 0 01 0 2 0 3 0 4 0 5 0 Resistance value (k Ω ) Temperature ( C) TD : Discharge temp. sensor TA : Room temp. sensor TC, TCJ : Heat exchanger temp. sensor TO : Outdoor temp. sensor TE : Outdoor heat exchanger temp. sensor TS : Suction temp. sensor TA, TC, TCJ, TO, TE, TS TD[...]

– 87 – 11- 8 -3. Indoor Unit (Other P a r ts) 11- 8 -4. Outdoor Unit 5 4 3 2 1 White Yellow Yellow Yellow Yellow 5 4 3 2 1 Red White Black No. 1 2 3 4 P ar t name Room temp. (T A) sensor Heat exchanger (TC) sensor Remote controller Louver motor MP24Z3T Indoor f an motor Checking pr ocedure Disconnect the connector and measure the resistance v a[...]

– 8 8 – 11- 8 -5. Che c king Method f or Ea c h P a r t MCC-5009 Soldered surface Heat sink IGBT side C12 C13 C14 Resistance value in good product ∞ Tester rod + – ~ 2 ~ 3 ~ 2 ~ 3 – 4 ~~ ~ +– ~ 1 12 3 (DB 0 1) 4 4 2 3 + 1 + – No. 1 2 P art name Electrolytic capacitor (For boost, smoothing) Diode bloc k Checking pr ocedure 1. T ur n OF[...]

– 8 9 – 1. Sympto m • Outdoor f an motor does not rotate. • Outdoor fan motor stops within se veral 10 seconds though it started rotating. • Outdoor fan motor rotates or does not rotate according to the position where the f an stopped, etc. Remote controller check code “02 : Outdoor bloc k, 1A : Outdoor fan drive system error” 2. Caus[...]

– 90 – 1 2 . H O W T O REPL A CE THE MAIN P A R T S W ARNING • Since high v oltages pass through the electrical par ts, tur n off the power without f ail before proceeding with the repairs. Electric shocks ma y occur if the power plug is not disconnected. • After the repairs ha ve been completed (after the front panel and cabinet ha v e bee[...]

– 91 – No.  P a rt name F ront panel Pr ocedures 4) Press "PUSH" pa r t under the front panel and remov e hooks of the front panel from the installation plate. Remarks Press Front panel Installation plate 5) Remov e the front panel fixing scre ws. ( 4 pc s .) 6) Take off four hooks of panel from rear side. <H o w to assemble the[...]

– 92 – No. P a rt name Electric par ts bo x assembly Procedures Remarks < H o w to assem b le the electric pa r t s b o x> 1) Hook the top par t of the electric par ts bo x assem b ly onto the cl a ws on the ba c k bod y , and secure it using the fixing screw . Now attach the displa y unit. Connect the connectors for the fan motor and lou[...]

– 93 – No. P a rt name Horizontal louver Procedures 1) Remov e shaft of the hor izontal louv er from the back body . (First remov e the left shaft, and then remov e other shafts while sliding the horizontal louv er leftward.) Ev aporator (Heat e xchanger) 1) F o ll o w to the procedure in the item . 2) Rem o v e the pipe holder from the rear si[...]

– 94 – No. P a rt name Procedures 1) F o ll o w to the procedure in the item . 2) Rem o v e the two screws used to secure the bearing base. 3) R emove the bearing base. <Caution at assembling> • If the bearing is out from the housing, push it into the specified position and then incorporate it in the main bod y . Two screws Bearing Bear[...]

– 95 – No. P a rt name F an motor Procedures 1) F oll o w to the procedure till item . 2) Loosen the set screw of the cross flo w fan. 3) Rem o v e t w o fixing scr e ws of the motor cover and them remove the motor cover. 4) Remove two more fixing screws of the motor band and remove the motor band. Remarks 5) Pull the fan motor outward. Set scr[...]

– 96 – No. P a rt name Cross flow f an Pr ocedures <Caution at reassembling> 1) To incorporate the fan motor incorporate the motor into the position in the following figure, and then install the fan motor. Remarks • Install the cross flow f an so that the right end of the 1st joint from the right of the cross fl o w f an is set k eeping[...]

– 97 – No.  P a rt name Common procedure Procedure 1) T ur n the power supply off to stop the operation of air-conditioner . 2) Remov e the front panel. • Remov e the 2 fixing screws . 3) Remov e the electr ical par t base. Remarks Replace ter minal bloc k, microcomputer ass’y and the P .C . board ass’ y. 12-2. Mic r ocomputer FILE NO.[...]

– 98 – 12-3. Outdoor Unit No.  P a rt name Common procedure Pr ocedure 1. Detachment NO TE W ear gloves f or this job. Otherwise, you ma y injure y our hands on the parts, etc. 1) Stop operation of the air conditioner , and tur n off the main s witch of the breaker f or air conditioner . 2) Remov e the v alv e co v er . ( screw 3 pc s .) •[...]

– 99 – No.  P a rt name F ront cabinet Procedure 1. Detachment 1) P erf or m step 1 in  . 2) Rem o v e the fixing scr e ws ( screw 2 pcs.) used to secure the front cabinet and i n v e r ter c o v e r , the scr e ws ( screw 3 pcs.) used to secure the front cabinet at the bottom, the screw used to secure the front and side cabinet (Right), [...]

− 100 − No.  P a rt name In ver ter assemb ly P r ocedure Remarks 1) P erf or m work of item 1 in  . 2) Rem o v e scr e w ( screw 2 pc s .) of the upper pa r t of the front cabinet. • If removing the in v erter cov er in this condition, P .C . board can be check ed. • If there is no space abov e the unit, perf orm work of 1 in  . B[...]

– 101 – No.  P a rt name Control board assemb ly Procedure 1. Disconnect the leads and connectors connected to the other par ts from the control board assembly . 1) Leads • 3 leads (b lac k, white, or ange) connected to ter minal b loc k. • Lead connected to compressor : Disconnect the connector (3P). • Lead connected to reactor : Disc[...]

– 102 – No.  P a rt name Side cabinet Procedure 1. Side cabinet (right) 1) P erf or m step 1 in  and all the steps in  . 2) Rem o v e the fixing scr e w used to secure the side cabinet and heat exchanger. 3) Remove the fixing screw (screw 2 pcs.) used to secure the plate conduit and Remarks Detail A Detail B Detail C 1) P erf or m work[...]

– 103 – No.  P ar t name Compressor Procedure 1) P erf or m work of item 1 of  and  ,  ,  ,  . 2) Extract refrigerant gas. 3) Remov e the par tition board. ( screw 3 pc s .) 4) Remov e the sound-insulation mater ial. 5) Remov e ter minal cov er of the compressor , and disconnect lead wire of the compressor from the ter minal. [...]

– 104 – No.  P a rt name Electronic e xpansion v alve coil Procedure  Wire guard 1. Detachment 1) P erf or m work of item 1 of  . 2) Remov e the front cabinet, and put it down so that wire guard side directs d o wn w ard. P erform w ork on a corrugated car dboard, c loth, etc. to prevent fla w to the product. 3) Rem o v e the guard sto[...]

– 105 – No. 11 P art name Pr ocedure Remarks TE sensor (outdoor heat e xchanging temperature sensor) • Attachment Install the sensor onto the straight pipe part of the condenser output pipe. During the installation wor k (and on its completion), tak e care not to damage the co verings of the sensor leads on the edges of the metal plates or ot[...]

13. EXPLODED VIEWS AND P ARTS LIST 13-1. Indoor Unit ( E-Part ) FILE NO. SVM-10020 Location Part Location Part No. No. No. No. 401 43T50327 SENSOR HEAT EXCHANGER 407 43T69856 PC BOARD ASSY (RAS-15LKV-UL) 402 43T60402 TERMINAL:3P 407 43T69857 PC BOARD ASSY (RAS-17LKV-UL) 403 43T50325 TEMPERATURE SENSOR 407 43T69858 PC BOARD ASSY (RAS-22LKV-UL) 404 4[...]

FILE NO. SVM-10020 – 107 – 13-2. In door Unit Location Part Location Part No. No. No. No. 201 43T00052 PANEL ASSY, SERVICE 213 43T39022 BAND, MOTOR, RIGHT UP 202 43T09458 GRILLE ASSY, SUB TOSHIBA 214 43T39023 BAND, MOTOR, RIGHT DOWN 203 43T03014 BODY ASSY, BACK 215 43T44030 EVAPORATOR ASSY 204 43T80019 AIR FILTER 216 43T19333 HOLDER, SENSOR 205[...]

– 108 – 13- 3 . Outdoor Unit FILE NO. SVM-10020 Location Part Location Part No. No. No. No. 1 43T00535 FRONT CABINET 18 43T58306 REACTOR 2 43T00459 LEFT CABINET 21 43T20319 PROPELLER FAN 3 43T42327 BASE PLATE ASSEMBLY 22 43T21419 FAN-MOTOR 4 43T00452 UPPER CABINET 23 43T47001 NUT FLANGE 5 43T19342 WIRE GUARD 24 43T97001 NUT 6 43T00540 PACKED VA[...]

– 109 – 13- 4 . P .C. Boa r d L a y out FILE NO. SVM-10020 Location Part Location Part No. No. No. No. 701 43T62320 HEATSINK (RAS-15,17LAV-UL) 704 43T60403 FUSE 701 43T62331 HEATSINK (RAS-22LAV-UL) 705 43T50328 TEMPERATURE SENSOR (TD) 702 43T69849 PC BOARD (RAS-15LAV-UL) 707 43T62313 BASE-PLATE-PC 702 43T69850 PC BOARD (RAS-17LAV-UL) 708 43T503[...]

– 56 – FILE NO. SVM-03005 TOSHIBA CARRIER (THAILAND) CO.,L TD. 144/9 MOO 5, BANGKADI INDUSTRIAL P ARK, TIV ANON ROAD, T AMBOL BANGKADI, AMPHUR MUANG, P A THUMTHANI 12000, THAILAND.[...]