Toshiba RAV-SM800XT-E manual

FILE NO. SVM-03021 SER VICE MANU AL AIR-CONDITIONER UNDER CEILING / CONSOLE TYPE RA V -SM560XT -E / RA V -SM560A T -E RA V -SM800XT -E / RA V -SM800A T -E Sep ., 2003 R410A[...]

CONTENTS 1. SPECIFICA TIONS ............................................................................................................. 1 2. CONSTR UCTION VIEWS ................................................................................................. 4 3. SYSTEMA TIC REFRIGERA TING CYCLE DIA GRAM ..........................................[...]

– 1 – 1. SPECIFICA TIONS 1-1. Indoor Unit Model name RA V -SM560XT -E RA V -SM800XT -E Cooling Heating A verage Cooling Heating Avera g e Standard capacity (Note 1) kW 5.0 5.6 6.7 8.0 (1.5 – 5.6) (1.5 – 6.3) (2.2 – 8.0) (2.2 – 9.0) Heating low temp . capacity (Note 1) (kW) 4.9 5.8 Energy consumption effect r atio (Cooling) 2.67 [D] 3.29[...]

• Operation characteristic curve <Cooling> <Heating> • Capacity v ariation ratio accor ding to temperature <Cooling> <Heating> 0 02 0 15 40 60 70 80 100 2 4 6 8 10 12 14 Compressor speed (r ps) Current (A) • Conditions Indoor : DB27˚C/WB19˚C Outdoor : DB35˚C Air flow : High Pipe length : 7.5m 230V RAV-SM560XT-E 0 02[...]

1-2. Outdoor Unit Note 1 : The sound lev el is measured in an anechoic chamber in accordance with JIS B8616. Nor mally , the values measured in the actual operating environment become larger than the indicated v alues due to the effects of e xter nal sound. Note 2 : Rated conditions Cooling : Indoor air temperature 27°C DB/19°C WB, Outdoor air te[...]

2. CONSTR UCTION VIEWS 2-1. Indoor Unit F ront panel Knock out system For stud bolt (Ø8 – Ø10) For stud bolt (Ø6) Grille air inlet Back body Installation plate Mount plate M10 Suspention bolt Wireless remote control Knock out system 200 Min 1093 1015 742 450 20 20 330 165 Ø74 70 Min 633 460 57 18 160 633 208 1093 UNDER CEILING & CONSOLE I[...]

2-2. Outdoor Unit (RAV-SM560AT-E) Drain hole (Ø25) Drain hole (2-Ø20 x 88 long hole) 83 30 600 780 115.3 125 97 30 21 76 308 (Long hole pitch For anchor bolt) 153 150 11 302 Ø6 hole pitch 29 270 31 330 A legs B legs Space required for service Protective net mounting hole (4-Ø4 embossing) 43 707 30 60 475 Refrigerant pipe connecting por t (Ø12.[...]

2-3. Outdoor Unit (RAV-SM800AT-E) 365 17.5 17.5 21 21 40 70 29 90 191 20 40 39 47 43 43 95 300 150 60 26 Knock out (For dr aining) Knock out (For dr aining) Drain hole (Ø20 x 88 burring hole) Drain hole (Ø25 burring hole) Pa r t A Pa r t B (Long hole pitch for anchor bolt) Suction por t Suction por t Discharge por t Z 1 2 67 60 264 565 101 154 90[...]

– 7 – 3. SYSTEMA TIC REFRIGERA TING CYCLE DIA GRAM 3-1. RA V -SM560XT -E / RA V -SM560A T -E Pressure Pipe surface temperature ( ° C) (MP a) Discharge Suction Indoor heat Outdoor heat Indoor exchanger e xchanger fan Pd Ps (TD) (TS) (TC) (TE) Indoor Outdoor Standard 3.1 0.9 85 13 10 47 74 HIGH 27/19 35/– Cooling Overload 3.8 1.0 96 13 12 60 7[...]

– 8 – 3-2. RA V -SM800XT -E / RA V -SM800A T -E Indoor unit Outdoor unit TCJ sensor Air heat e xchanger Strainer Strainer TC sensor Refrigerant pipe at liquid side Outer dia. ∅ B Refrigerant pipe at gas side Outer dia. ∅ A P ack ed valv e Outer dia. ∅ B P ack ed valv e Outer dia. ∅ A Max 50m TS sensor Accumulator (1500cc) TD sensor T O [...]

Color Identification BRW RED WHI YEL BLU BLK GRY PNK ORN GRN&YEL GRN PUR : : : : : : : : : : : : BROWN RED WHITE YELL OW BLUE BL ACK GRA Y PINK ORANGE GREEN& YELL OW GREEN PURPLE SIMPLE CHECK POINTS FOR DIAGNOSING F AUL TS Diagnosis result Check to see if OPERA TION indicator goes on and off when the main switch or breaker is turned on. Che[...]

4-2. Outdoor Unit (RAV-SM560AT-E) SIMPLE CHECK POINTS FOR DIA GNOSING F A UL TS Diagnosis result TERMINAL BLOCK There is no supply voltage (AC220 to 240V) betw een L - N , 1 - 2 There is no voltage (DC15 to 25V) 2 - 3 P ower supply and connecting cable chec k Check items FUSE T25A 250V to fuse (F01) blown T3.15A 250V to fuse (F04) blown Conv erter [...]

Diagnosis result TERMINAL BL OCK There is no supply voltage (AC220 to 240V) between L - N , 1 - 2 There is no voltage (DC15 to 25V) 2 - 3 Connecting cable check 1 2 3 4 FUSE 25A fuse (F01) blown, 15A fuse (F02) blown 3.15A fuse (F04) blown, T5A fuse (F300) blown (SUB P .C. board) T3.15A fuse (F01) blown (SUB P .C. board) Converter module (DB01) and[...]

– 12 – 5-2. Outdoor Unit (RA V -SM560A T -E) 5. SPECIFICA TION OF ELECTRICAL P AR TS 5-1. Indoor Unit No. P ar ts name T ype Specifications 1 F an motor (f or indoor) AFP-220-50-4A Output (Rated) 50 W , 220 – 240 V 2 Grille motor MP35EA12 DC 12 V 3 Ther mo . sensor (T A-sensor) 550 mm 10 k Ω at 25 ° C 4 Heat e xchanger sensor (TC-sensor) ?[...]

– 13 – (5) After completion of installation w or k, 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 f an-dr iven heater , space heater , etc., a poisonous gas ma y occur . (6) When an air conditioning system charged with a large volume of refrigerant[...]

– 14 – T able 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A R22 1/4 6.35 0.80 0.80 3/8 9.52 0.80 0.80 1/2 12.70 0.80 0.80 5/8 15.88 1.00 1.00 b) Sock et joints Sock et joints are such that they are br azed f or connections, and used mainly f or thick pipings whose diameter is larger than 20[...]

– 15 – 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 1.5 2.0 to 2.5 T able 6-2-3 Dimensions related to flare processing f or R410A Nominal diameter Outer diameter (mm) Thi[...]

– 16 – (2) Flare connecting procedures and precautions a) Make sure that the flare and union por tions do not hav e any scar or dust, etc. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench. The tightening torque f or R410A is the same as that for conv enti[...]

– 17 – 6-3. T ools 6-3-1. Required tools The ser vice por t diameter of packed v alve of the outdoor unit in the air conditioner using R410A is changed to pre vent mixing of other refrigerant. T o reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (F or ∅ 12.70 copper pipe) of the r[...]

– 18 – 6-4. 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 refr igerant, and check no refrigerant remains in the equipment. Connect the charge hose to pac ked v alve ser vice por t at the outdoor unit’ s gas side. Connect [...]

– 19 – 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 refrigerant under condition of liquid because R410A is mix ed type of refrigerant. Accordingly , when charging refrigerant from the refr igerant cyl[...]

– 20 – (2) Characteristics required f or flux • Activ ated temperature of flux coincides with the brazing temperature . • Due to a wide eff ective temper ature range, flux is hard to carbonize . • It is easy to remov e slag after brazing. • The corrosiv e action to the treated metal and brazing filler is minimum. • It e xcels in coati[...]

– 21 – 7. CONTROL BLOCK DIA GRAM 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 Heat Exchanger Sensor (TC) Heat Exchanger Se[...]

– 22 – 8. OPERA TION DESCRIPTION 8-3. Air volume contr ol (1) Operation with [HIGH (H)], [MED (M)], [LO W (L)], or [A UT O] mode is perf or med by the command from the remote control. (2) When [F AN] b utton is set to A UT O, the indoor f an motor operates as sho wn in Fig. 8-3-1, Fig. 8-3-2 and T able 8-3-1. <COOL> NO TE : *1: The v alue[...]

– 23 – LO W + = MED + = LO W+MED 2 MED+HIGH 2 MODEL RA V -SM560XT -E RA V -SM800XT -E Motor speed Air flow le vel Motor speed Air flow lev el (rpm) (m 3 /h) (r pm) (m 3 /h) Cooling HIGH 1060 800 1190 900 and MED 950 690 1010 750 F an only LOW 800 580 850 650 HIGH 1120 830 1300 980 Heating MED 970 730 1070 800 LOW 820 600 860 650 [FAN AUTO] − [...]

– 24 – 8-5. Freeze preventive control (Lo w temperature release) The cooling operation (including Dry operation) is perf or med as follo ws based on the detected temperature of Tc sensor or Tcj sensor . When [J] zone is detected f or T1 minutes (Follo wing figure), the commanded frequency is decreased from the real operation frequency . After t[...]

– 25 – 8-9. Auto Restart Function The 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 power supply being accidentally shut do wn. The operation will resume without warning three minutes after power is restored. This function is not set [...]

– 26 – 8-9-2. How to cancel auto restart function T o cancel auto restar t function, proceed as f ollows: Repeat the setting prodedure: the unit receives the signal and beeps three times. The unit will be required to be tur ned on with the remote control after the main pow er supply is tur ned off . When the unit is on standby (Not operating) W[...]

– 27 – 9. INST ALLA TION PROCEDURE Remark per EMC Directive 89/336/EEC T o prev ent flick er impressions dur ing the star t of the compressor (technical process) follo wing installation conditions do apply . 1. The power connection f or the air conditioner has to be done at the main pow er distr ibution. This distr ibution has to be of an imped[...]

– 28 – 9-2. PRECA UTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECA UTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the impor tant items regarding safety . Observe them without f ail. • After the installation work, perf or m[...]

– 29 – • After unpacking the unit, examine it carefull y if there are possible damage. • Do not install in a place that might increase the vibration of the unit. • T o av oid personal injury (with sharp edges), be careful when handling parts. • P erform installation w ork properl y according to the Installation Manual. Inappropriate ins[...]

– 30 – 9-3. Accessory par ts and Parts to be procured locall y 9-3-1. Accessory parts Connecting pipe (Liquid side) (6.35 mm (diam.), Nominal (diam.) 1/4" thick 0.8 mm) RA V -SM560XT -E, RA V -SM560A T -E (9.52 mm (diam.), Nominal (diam.) 3/8" thick 0.8 mm) RA V -SM800XT -E, RA V -SM800A T -E Connecting pipe (Gas side) (12.7 mm (diam.[...]

– 31 – 9-4. SELECTION OF INST ALLA TION PLA CE W ARNING • Install the air conditioner where there is sufficient strength to withstand the weight of the unit. If the strength is not sufficient, the unit ma y fall do wn resulting in injur y . CA UTION Upon appro val of the customer , install the air conditioner in a place that satisfies the f o[...]

– 32 – <Remote controller usa ge> • Under Ceiling Installation Fig. 9-5-1 • Console Installation Fig. 9-5-2 9-5-1. Installation Place • A place which provides the spaces around the indoor unit as shown in the abo ve diagr am. • A place where there is no obstacle near the air inlet and outlet. • A place that allows easy installat[...]

– 33 – Axis of the Front panel Air inlet grille arm Rib 9-5-4. Under Ceiling Installation F or the installation of the indoor unit use the Paper pattern, which is inside the package bo x cover . <Install the Suspension bolts> • Install the Suspension bolts so that it can suppor t the indoor unit. Fig. 9-5-7 • Adjust distance to ceilin[...]

– 34 – Rear piping hole ∅ 80 Ceiling Wal l Ceiling 140 mm Cut Slit for upper piping Cover for rear upper piping Cover for side piping • How to install the Dr ain hose. 1. Remove the two scre ws and the Drain band. 2. Cut a slit for the drain hose hole . Fig. 9-5-12 3. Place the Drain hose on the U-shape space and secure it with the Drain ba[...]

– 35 – 140 633 320 160 742 1093 60 9-5-5. Console Installation • Select the terminal of Selector-SW from [C position] to [F position]. Fig. 9-5-18 390 mm or more 375 mm or more CA UTION F ailure to fir mly install the unit may result in personal injur y and proper ty damage if the unit falls . • In case of bloc k, brick, concrete or similar[...]

– 36 – Extension drain hose Inside the room Drain hose Pipe shield Under Ceiling Installation Console Installation 50 mm or more 50 mm or more NO TICE In case of upward drainage from the unit, (Under Ceiling Installation), it is necessary to use the Drain pump kit of optional par t. CA UTION 1. Do not raise the Drain hose. 2. Do not put the Dra[...]

– 37 – 9-7. REFRIGERANT PIPING 9-7-1. Refrigerant Piping 1. If the outdoor units are to be mounted on a wall, make sure that the platf or m suppor ting is sufficiently strong. The platf or m should be designed and manufactured to maintain its strength o ver a long period of time, and sufficient consideration should be giv en to ensur ing that t[...]

– 38 – CA UTION • Do not apply e xcess torque. Otherwise, the nut ma y crac k depending on the conditions. <Tightening connection> Align the centers of the connecting pipes and tighten the flare nut as f ar as possible with y our fingers. Then tighten the nut with a spanner and torque wrench as shown in the figure . (Unit : N•m) Outer[...]

– 39 – 9-8. EV A CU A TING AIR PURGE Ev acuate the air in the connecting pipe and in the indoor unit using v acuum pump. Do not use the refrigerant in the outdoor unit. F or details, see the manual of v acuum pump . 9-8-1. Use a v acuum pump Be sure to use a vacuum pump with counter-flo w pre vention function so that inside oil of the pump does[...]

– 40 – Closed completely 9-8-3. Heat insulation 1. Provide heat insulation on the refr igerant piping on both the liquid side and gas side separately , and ensure that all joints in the insulation are completely sealed (without gap). 2. Since the temperature of the piping on the gas side increases during heating operations, the heat insulating [...]

– 41 – V alve rod V alve unit Flare nut Stopper Charge cap Charge port Compound pressure gauge –101 kPa (–76 cmHg) Handle Lo Charge hose (For R410A only) Pressure gauge Manifold v alve Handle Hi (Keep fully c losed) V acuum pump adapter for counter-flow pre vention (For R410A only) Charge hose (For R410A only) V acuum pump Pac ked valve (Ga[...]

– 42 – 9-9. ELECTRICAL WORK CA UTION • If incorrect/incomplete wiring is carried out, it ma y cause an electr ical fire or smoke . • Prepare the pow er supply for e xclusive use with the air conditioner . • Be sure to use the cord clamps specified posi- tions with attached to the product. • Do not damage or scratch the conductiv e core [...]

– 43 – PRE.D FIL TER Hi POWER 9-10. FINAL INST ALLA TION CHECKS 9-10-1. Precautions Ensure that the electrical cable used f or power supply and control of the system is unable to come into contact with either ser vice valv es or piping wor k which are not insulated. 9-10-2. Electrical wiring When installation is complete, chec k that all power [...]

– 44 – New tools for R410A Applicable to R22 model Changes — As pressure is high, it is impossible to measure by means of con ventional gauge . In order to prev ent any other refrigerant from being charged, each por t diameter is changed. In order to increase pressure resisting strength, hose materials and por t size are changed (to 1/2 UNF 2[...]

– 45 – 9-11. ENVIRONMENT 9-11-1. En vironmental Issues <Product maintenance> 1. T o minimize the chances of en vironmental damage and to ensure the efficient operation of the unit, it is recommended to hav e the air conditioner periodically checked and serviced by a qualified engineer . <Product disposal> 1. Please dispose of the ai[...]

– 46 – 10. TROUBLESHOO TING 10-1. Summary of T roub leshooting 10-1-1. Bef ore troubleshooting (1) Required tools/instruments • e and d scre wdr ivers , spanners, radio cutting pliers, nippers , etc. • T ester , ther mometer , pressure gauge, etc. (2) Confirmation points bef ore check 1 The f ollowing operations are normal. a) Compressor do[...]

– 47 – 10-2. Self-Dia gnosis by Remote Contr ol (Check Code) (1) If the lamps are indicated as shown 00 to 03 in T able 10-1-1, e xchanger the self-diagnosis by the remote control. (2) When the remote control is set to the service mode, the indoor controller diagnoses the operation condition and indicate the inf or mation of the self-diagnosis [...]

– 48 – The indoor thermo sensor (T A) is defectiv e. Disconnection or short-circuit The indoor heat exchanger sensor (TC) is defectiv e. Disconnection or short-circuit The indoor fan motor or its circuit is defectiv e. The par t other than the abov e par ts on the indoor P .C. board is defectiv e. EEPROM access error IOL operation The variation[...]

– 49 – The serial signal is not output from outdoor unit to indoor unit. • Miscabling of inter-unit cab les • Defectiv e serial sending circuit on outdoor P .C. board • Defectiv e serial receiving circuit on outdoor P .C. board • Compressor case thermo operation BUS communication circuit error * BUS communication was interrupted over th[...]

– 50 – Inverter ov er-current protective circuit operates. (For a short time) Error on current detection circuit • Current value is high at A C side ev en while compressor stops. • Phase of power supply is missed. Coming-off, disconnection or short of outdoor temp sensor Coming-off, disconnection or short of outdoor temp sensor Compressor d[...]

– 51 – 10-3. T roubleshooting f or Each Chec k Code [1A err or] Are connections of CN301 and CN300 of CDB correct? (CDB error) NO NO NO YES YES YES YES Does the fan rotate without trouble when handling the fan with hands under condition of removing CN301 and CN300 from CDB? The status that the resistance values between leads below are 50 to 80 [...]

– 52 – [14 error] [16 error] Check rare short of compressor trouble. Defect Replace Check IPDU. Defect Replace NO NO NO YES YES NO YES NO YES YES NO YES Replace IPDU. Replace IPDU. Is compressor normal? Improve the power supply line. * For RAV-SM560AT-E, check RY01 on the control P.C. board. * Replace control P.C. board of RAV-SM560AT-E. * Sing[...]

– 53 – NO Correct connection of connector. * For RAV-SM560AT-E, replace the control B.C. board * Refer to Characteristics-3. YES NO Are characteristics of TE/TS sensor resistance values normal? Replace TE and TS sensors. YES * (For RAV-SM560AT-E, CN600TE sensor and CN603 TS sensor) Are connections of TE/TS sensor connectors of CDB CN604/CN605 n[...]

– 54 – [1D error] [1E error] [1F err or] * For RAV-SM560AT-E, check control P.C. board. Check IPDU. Defect Replace NO NO NO YES YES YES Is power voltage normal? Is not abnormal overload? Is the circuit detected by current sensor normal? Improve power line. Improve and delete the cause. Check and correct circuit cables. Is power voltage normal? [...]

– 55 – [21 error] NO NO NO NO NO NO NO YES YES YES YES YES YES YES NO YES Check charged refrigerant amount. Check liquid/gas valves. Check abnormal overload. Is high-voltage protective operation by TE sensor normal? * For RA V -SM560A T -E, check control P .C. board. * Refer to Characteristics-3 and 4. Is connection of connector normal? Is conn[...]

– 56 – Relational graph of temperature sensor resistance v alue and temperature Resistance (k Ω ) (50 ° C or lower) Resistance (k Ω ) (50 ° C or higher) Temperature [ ° C] Caracteristics-4 TD sensor 200 100 20 10 0 0 50 100 Caracteristics-1 Resistance (k Ω ) Resistance (k Ω ) Temperature [ ° C] Temperature [ ° C] Caracteristics-2 2[...]

– 57 – 10-4 Compressor does not operate. <Primary chec k> (1) Is the preset temperature higher than the room temper ature in cooling operation? (2) Is the crossov er cab le connected proper ly? <Inspection procedure> -Cooling only model- Does miniature relay RY04 switch on and off due to temperature changes? T urn on power supply . [...]

– 58 – <Inspection procedure> -Cooling and heating model- Is it possible to start unit by remote control? Is it possible to detect DC 15 − 60 V between 2 and 3 on terminal block? Is crossover cable normal? Is it possible to detect AC 12 V on secondary side (CN06) of transformer? YES YES YES YES YES T urn on power supply . Does OPERA TIO[...]

– 59 – YES YES YES YES YES Rewire or replace defective cords. Replace compressor . Replace capacitor . Replace overload relay . Replace compressor . Supply gas. NO NO YES YES YES YES Are all of compressor cords normal? Is compressor motor winding normal? (Check winding resistor .) Is gas quantity normal? (Check gas pressure.) Is capacitor for c[...]

– 60 – 11-1. Indoor Unit No. P ar t name Procedures Remarks 1 <How to remo ve the Air inlet grille> 1) Stop the operation of the Air conditioner and turn off its main power supply . 2) Open the Air inlet grille with both hands. 3) Unfasten 3 scre ws (about two to three rounds) f or fixing the P anel ar ms. 4) Mov e the Air inlet grille to[...]

– 61 – No. P ar t name Procedures Remarks 2 <How to remo ve the Front panel> 1) Remov e the Air inlet grille. ( 1 ) 2) In case of the Drain hose is installed through the F ront panel. : Remov e the Drain band from the F ront panel. : Cut aw ay the Opening base f or piping from F ront panel and keep parts. 3) Open 3 Cap screws and remo ve [...]

– 62 – No. P ar t name Procedures Remarks 2 6) Remove both side hooks and remo v e the F ront panel by turn to air inlet par t direction. <How to install the Fr ont panel> 1) In case of the Drain hose installation through the F ront panel, install the opening base f or piping in the Back body b y a screw (M4 x 12). Prepare it by y ourself[...]

– 63 – No. P ar t name Procedures Remarks 3 7) Remov e 7 screws and remov e the Drain pan assembly . 4 <How to remo ve the Electrical par ts assembly> 1) Remov e the Air inlet grille, the F ront panel and the Drain pan assembly . ( 1 , 2 , 3 ) 2) Remov e the T er minal cover . 3) Unf asten the screw of Cord clamp and disconnect the connec[...]

– 64 – No. P ar t name Procedures Remarks 5 7) Remove 2 scre ws and remove the refrigeration assembly with pushing it to right hand. 6 <How to remo ve the Multiblade fan and Fan motor> 1) Remove the Air inlet g rille and the F ront panel. ( 1 , 2 ) 2) Disconnect 2 connectors. 3) Remove the F an covers . 4) Remove the Motor band with holdi[...]

11-2. Outdoor Unit (RAV-SM560AT-E) No.  P art name Common procedure Procedure CA UTION Ne ver f orget to put on the gloves at working time, otherwise an injur y will be caused b y the parts, etc. 1. Detachment 1) Stop operation of the air conditioner , and tur n off the main switch of the break er for air conditioner . 2) Remove the v alv e cov [...]

No.  P art name F ront cabinet Procedure 1 . Detachment 1) P erf or m wor k of item 1 of  . 2) Remove scre ws (ST1T Ø4 x 10L, 2 pcs.) of the front cabinet and the inv e r ter cov er . 3) T ake off screws of the front cabinet and the bottom plate. (ST1T Ø4 x 10L 3 pcs.) 4) T ake off screws of the front cabinet and the motor suppor t . (ST1T [...]

No.  P art name In ve r ter assemb ly Procedure 1 . Detachment 1) P erf or m wor k of item 1 of  . 2) T ake off screws of the upper part of the front cabinet. • If removing the in v er ter cov er under this condition, P .C. board can be check ed. • If there is no space in the upper par t of the upper cabinet, perf orm work of  . CA UTI[...]

No.  P art name Control P .C . board assemb ly Procedure 1) Disconnect lead wires and connectors connected from the control P .C. board assemb ly to other par ts. 1. Lead wires • Connection with the pow er terminal b lock: 3 wires (Black, White, Orange) • Ear th wire: 1 wire (Blac k) 2. Connectors • Connection with compressor : Remo v e 3P[...]

No.  P art name Rear cabinet Procedure 1) P erform works of items 1 of  and  ,  . 2) T ake off fix ed screws f or the bottom plate. (ST1T Ø4 x 10L, 3 pcs.) 3) T ake off fix ed screws f or the heat ex- changer . (ST1T Ø4 x 10L, 2 pcs .) 4) T ake off fix ed screw f or the v alve mounting plate. (ST1T Ø4 x 10L, 1 pc.) Remarks 1) P erfor[...]

No.  P art name Compressor Procedure 1) P erform works of items 1 of  and  ,  ,  ,  . 2) Discharge refr igerant gas. 3) Remov e the par tition plate. (ST1T Ø4 x 10L, 2 pcs.) 4) Remove the noise-insulator . 5) Remove the terminal cov ers of the compressor , and disconnect lead wires of the compressor and the compressor ther mo ass[...]

No.  P art name Pulse Modulating V alve (PMV) coil Procedure 1. Detachment 1) P erf or m wo rks of items  and  . 2) Release the coil from the concavity by turning it, and remov e coil from the PMV . 2. Attachment 1) Put the coil deep into the bottom position. 2) Fix the coil fir mly b y turning it to the conca vity . Remarks  F an guard[...]

11-3. Outdoor Unit (RAV-SM800AT-E) No.  P art name Common procedure Procedure CA UTION Ne ver f orget to put on the gloves at working time, otherwise an injur y will be caused b y the parts, etc. 1. Detachment 1) Stop operation of the air conditioner , and also tur n off switch of the break er . 2) Remov e the front panel. (ST1T Ø4 x 10L, 3 pcs[...]

No.  P art name Discharge por t cabinet Procedure 1. Detachment 1) P erf or m wor k of item 1 of  . 2) T ake off scre ws (ST1T Ø4 x 10L, 3 pcs.) of discharge por t cabinet for the par tition plate. 3) T ake off scre ws (ST1T Ø4 x 10L, 2 pcs.) of discharge por t cabinet for the bottom plate. 4) T ake off scre w (ST1T Ø4 x 10L, 1 pc.) of dis[...]

No.  P art name In ve r ter assemb ly Procedure 1) P erform works of items of 1) to 5) of  . 2) T ake off scre w (ST1T Ø4 x 10L, 1 pc.) of the upper left par t of the inv er ter cov er . • If removing the in v er ter cov er under this condition, P .C. board can be check ed. • If there is no space in the upper par t of the upper cabinet, [...]

No.  P art name Control P .C . board assemb ly Procedure 1) Remov e the in ver ter box from P .C . board base. 2) Disconnect lead wires and connectors con- nected from the control P .C . board assembly to other par ts. 1 . Lead wires: With the po wer terminal bloc k: 2 pcs. (Single phase) (Red, White) With the compressor : 3 pcs. (Red, White, Bl[...]

No.  P art name F an motor Procedure 1) P erf or m works of items 1) to 5), 7) of  2) Remove the flange nut fixing the f an motor and the propeller f an. • Loosen the flange nut b y tur ning cloc k- wise. (T o tighten the flange nut, tur n it countercloc kwise. ) 3) Remove the propeller f an. 4) Remove the lead wire from the hook fixing the[...]

No.  P art name Compressor Procedure 1) P erform wor ks of items  ,  ,  ,  , and  . 2) Evacuate refrigerant gas . 3) Disconnect the connector for f an motor from the in v er ter . 4) T ake off scre ws fixing the motor base to the bottom plate. (ST1T Ø4 x 10L, 2 pcs.) 5) Remove the motor base together with the f an motor and the p[...]

No.  P art name Reactor Procedure 1) P erf or m wor ks of items 1 of  and  . 2) T ake off scre ws fixing the reactor . (Ø4 x 10L , 2 pcs. per one reactor . An outdoor unit has two reactors on the par tition plate.) Remarks  Reactor Partition plate Screws Positioning extrusion PMV body PMV coil Concavity 1 . Detachment 1) P erf or m wor[...]

No.  P art name F an guard Procedure 1 . Detachment 1) P erform works of items 1 of  and  . 2) Remove the air flow cabinet, and put it down so that the f an guard side directs downw ard. P erform w ork on a corrugated car d- board, cloth, etc. to prevent fla w to the pr oduct. 3) T ake off scre ws fixing the bell mouth. (ST1Tf4 x 10L, 2 pc[...]

– 80 – 12. EXPLODED VIEWS AND P ARTS LIST 12-1. Indoor Unit (E-P arts Assy) Location P ar t Description No. No. 401 43T69348 PC Board (RA V -SM560XT -E) 401 43T69349 PC Board (RA V -SM800XT -E) 402 43T50004 T emperature sensor 403 43T60002 T er minal Block, 3P 404 43T62003 Cord clamp 405 43T69315 Display unit Location P ar t Description No. No.[...]

– 81 – 12-2. Indoor Unit Location P ar t Description No. No. 201 43T09312 Air Inlet Gr ille 202 43T00357 P anel Ar m Assy 203 43T00358 F ront Panel Assy 204 43T01004 Mar k 205 43T79303 Drain Band 206 43T80302 Air Filter 207 43T00359 Cap Screw C 208 43T00360 Cap Screw LR 209 43T20303 F an Cover 210 43T20304 Motor Band Assy 211 43T20305 Multiblad[...]

– 82 – 12-3. Outdoor Unit (RA V -SM560A T -E) Location P ar t Description No. No. 01 43105037 Cabinet, F ront, PCM 02 43100239 Cabinet, Back, PCM 03 43042468 Base, Ass’y 04 43005508 Cabinet, UP , PCM 05 43119460 Guard, F an, PP 06 43119448 Cov er , P acked, V alve 07 43062230 Cov er , Wiring, Ass’y 08 43047667 Nut, Flange 09 43020329 F an, [...]

– 83 – 12-4. Outdoor Unit (RA V -SM800A T -E) Location P ar t Description No. No. 01 43191634 Cabinet, Air Outled 02 43191636 Cabinet, F ront, Ass’y 03 43191635 Cabinet, Side, Ass’y 04 43191637 P anel, Upper 05 43005489 Guard, Fin 06 43191630 Guard, F an, PP-K 07 43122065 Bell Mouth, Plastic 08 43047667 Nut, Flange 09 43120123 F an, Propell[...]

– 84 – 12-5. Outdoor Unit (In ver ter Assy , RA V -SM560A T -E) Location P ar t Description No. No. 701 43050334 Sensor , TD (F4), TD Sensor 702 43050382 Sensor , TC (F6), TC Sensor 703 43062228 Base, P .C. Board, ABS Location P ar t Description No. No. 704 43160469 T er minal Block, 6P , AC250V , 20A 705 4316V182 P .C. Board Ass’y , MCC-813 [...]

– 85 – 12-6. Outdoor Unit (In verter Assy , RA V -SM800A T -E) Location P ar t Description No. No. 701 43050334 Sensor , TD (F4), TD Sensor 702 43050382 Sensor , TC (F6), TC Sensor 704 43160469 T er minal Block, 6P , AC250V , 20A Location P ar t Description No. No. 706 43162042 Base, P .C. Board, ABS 707 4316V183 P .C . Board Ass’y , CDB, MCC[...]

– 86 – 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.[...]