Toshiba RAV-SM304ATJP-E Service Manual Download Page 22

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FILE NO. SVM-1

4059

4-2. RAV-SM

04AT

SVM-13072.indb 27

11/01/13 1:53 PM

Summary of Contents for RAV-SM304ATJP-E

Page 1: ...SERVICE MANUAL OUTDOOR UNIT DIGITAL INVERTER RAV SM304ATP E TR RAV SM404ATP E TR RAV SM304ATJP E RAV SM404ATJP E AIR CONDITIONER SPLIT TYPE FILE NO SVM 14059 ...

Page 2: ...7 Replenishing refrigerant 34 7 OUTDOOR CONTROL CIRCUIT 35 7 1 Outline of Main Controls 35 7 2 Outdoor Print Circuit Board 41 8 TROUBLESHOOTING 42 8 1 Summary of Troubleshooting 42 8 2 Troubleshooting 44 8 3 Table Inspection of outdoor unit main parts 63 9 SETUP AT LOCAL SITE AND OTHERS 63 9 1 Calling of Error History 63 9 2 Group Control Operation 63 9 3 Applicable Control of Outdoor Unit 65 10 A...

Page 3: ...been trained and is thus thoroughly acquainted with the knowledge related to this work s The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus tho...

Page 4: ...thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication DANGER WARNING CAUTION Explanation Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious i...

Page 5: ...ou might get burned when removing this panel CAUTION Do not touch the aluminum fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop ...

Page 6: ...e short circuiting procedure refer to the Service Manual You may receive an electric shock if the voltage stored in the capacitors has not been sufficiently discharged Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake When checking ...

Page 7: ... around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables WARNING General Check earth w...

Page 8: ...njury is caused After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V Megger to...

Page 9: ...ause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait...

Page 10: ...Road Amphur Muang Pathumthani 12000 Thailand Manufacturer Nick Ball Representative TCF holder Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Authorized Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type Commercial name Digital Inverter Series Air Conditioner Comp...

Page 11: ...E NO SVM 14059 Specifications Sound power level dBA Weight kg Cooling Heating Model RAV SM304ATP E 33 RAV SM304ATJP E 33 RAV SM404ATP E 39 RAV SM404ATJP E 39 RAV SM304ATP TR 33 RAV SM404ATP TR 39 Under 70 dBA ...

Page 12: ...others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging comp...

Page 13: ...e general tools 1 Vacuum pump Use vacuum pump by attaching vacuum pump adapter 7 Screwdriver h c n e r w y e k n o M r o r e n n a p S 8 h c n e r w e u q r o T 2 l l i r d e r o c e l o H 9 r e t t u c e p i P 3 m m 4 e d i s e t i s o p p O h c n e r w n o g a x e H 0 1 r e m a e R 4 e r u s a e m e p a T 1 1 r e d n e b e p i P 5 w a s l a t e M 2 1 l a i v l e v e L 6 Also prepare the followin...

Page 14: ...gerant charge under long piping connector 20g m 15m to 20m 20g m 15m to 20m Height difference Outdoor lower m 10 10 Outdoor higher m 10 10 Outer dimension Height mm 550 550 Width mm 780 780 Depth mm 290 290 Appearance Silky shade Muncel 1Y8 5 0 5 Total weight kg 33 39 Heat exchanger Finned tube Fan unit Fan Propeller fan Standard air flow high m3 min 30 37 Motor W 43 43 Connecting pipe Gas side mm...

Page 15: ...itions Indoor DB 27 o C WB 19 o C Outdoor DB 35 o C Air Flow High Pip Length 7 5m Voltage 230V Conditions Indoor DB 20 o C Outdoor DB 7 o C WB 6o C Air Flow High Pip Length 7 5m Voltage 230V 50 55 60 65 70 75 80 85 90 95 100 105 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp Capacity ratio Conditions Indoor DB27 WB19 Indoor air flow High Pipe length 7 5m 0 20 40 60 80 100 120 15 10 5 0 ...

Page 16: ...2 00 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 0 0 1 20 0 3 0 5 40 60 0 7 0 8 90 100 110 120 Compressor Speed RPS Current A 120 100 80 60 40 20 0 Outdoor Temperature C 100 95 90 85 80 75 70 65 60 55 50 105 15 10 5 0 5 10 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor Temperature C Capacity Ratio Capacity Ratio Condition Indoor DB20 C Indoor Air Flow Volume High Pipe Length 7 5m Condition Indo...

Page 17: ... 17 FILE NO SVM 14059 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 2 1 RAV SM304AT P SM404AT P ...

Page 18: ...nsulator Allowable height difference 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side TD 4 way valve Compressor DA89X1C 23FZ2 TS T2 Outdoor heat exchanger Temp measurement Refrigerant amount 0 80kg Propeller fan OUTDOOR UNIT Muffler Muffler TE Max 20m Min 2m Chargeless 15m Strainer Charge 20g m 16 to 20...

Page 19: ...oling Refrigerant flow Heating T1 Temp measurement INDOOR UNIT Indoor heat exchanger Cross flow fan Sectional shape of heat insulator Allowable height difference 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side CAM BD16TCTH 2 TD 4 way valve STF 0108 Z Compressor DA131S1B 31FZ Propeller fan Refrigerant a...

Page 20: ... temp Heating Standard Indoor Outdoor Compressor pressure fan mode fan mode revolution P MPa TC C TS C rps 0 9 to 1 1 11 to 13 11 to 13 High High 51 Heat exchanger pipe temp Standard Indoor Outdoor Compressor pressure fan mode fan mode revolution P MPa TC C TS C rps 2 5 to 2 6 35 to 42 4 to 6 High High 53 Heat exchanger pipe temp Cooling Indoor Outdoor 27 19 35 Tempeature condition C 3 2 Operation...

Page 21: ... 21 FILE NO SVM 14059 4 WIRING DIAGRAM 4 1 RAV SM304AT P ...

Page 22: ... 22 FILE NO SVM 14059 4 2 RAV SM404AT P ...

Page 23: ... sensor 10 kΩ at 25 C 14 Discharge temp sensor TD sensor 50 kΩ at 25 C Compressor thermo Protection CS 12AL OFF 125 4 C ON 90 5 C RAV SM404AT P No Parts name Type Specifications 1 Compressor DA131S1B 31FZ 3 phase 4P 1010W 2 Fan motor ICF 140 43 4R Output 100 W 3 4 way valve coil STF 01AJ646A1 4 PMV coil CAM MD12TCTH 5 5 6 Reactor 7 P C board MCC 1656 8 Fuse Mounted on P C board AC250 V 25 A 9 Fuse...

Page 24: ...mally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a ...

Page 25: ...d be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 ...

Page 26: ...5 0 to 0 5 0 to 0 5 0 to 0 5 Conventional flare tool R410A 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 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Conventional flare tool R22 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 4 Flare and flare nut dimensions for R410A Table 6 2 5 Flare and flare nut ...

Page 27: ...strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 6 2 6 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 6 2 6 Tightening torqu...

Page 28: ...g place the handle Low in the fully closed position and turn off the vacuum pump s power switch Keep the status as it is for 1 to 2 minutes and ensure that the compound gauge s pointer does not return Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting port of the electronic balance and charge liquid refrigerant 1 Never charge refri...

Page 29: ...azing 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 solder ability 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 a...

Page 30: ...eteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide fil...

Page 31: ...er is observed the cause of trouble will occur 8 Installation and removal of the air conditioner are repeated with temporary installation by lease and etc 9 In case that type of the refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil alkyl benzene HAB Barrel freeze ester series PVE only of ether series s Winding insulation of...

Page 32: ...ove the existing air conditioner from the piping and carry out flashing nitrogen pressure 0 5 Mpa to remove the remains inside of the pipe Note In case of twin also be sure to flash the branching pipe Connect the indoor outdoor units to the existing pipe s Use a flare nut attached to the main unit for the indoor outdoor units Do not use the flare nut of the existing pipe s Re machine the flare mac...

Page 33: ... pipe has been open disconnected from indoor unit or outdoor unit for a long period s The pipe has been connected to an outdoor unit that does not use refrigerant R22 R410A or R407C s The existing pipe must have a wall thickness equal to or larger than the following thickness s Never use any pipe with a wall thickness less than these thicknesses due to insufficient pressure capacity Reference outs...

Page 34: ...rmance In such case recover the refrigerant and replenish the refrigerant Restrictions for the amount of additional charging a The amount of refrigerant additionally charged shall not exceed 10 of that specified If the situation is not solved with such amount recover the refrigerant completely and charge the specified amount b In case of slow leakage upon installation and the pipe connection lengt...

Page 35: ...ssor be sure to check there is no error in the resistance value an the refrigerating cycle of each sensor after repair and then start the operation 2 Discharge temperature release control 1 When the discharge temperature did not fall or the discharge temperature rapidly went up by PMV control this control lowers the compressor frequency It subdivides the frequency control up to 0 6Hz to stabilize ...

Page 36: ...ble is selected 2 Fan speed 400 when the motor stopped Air conditioner ON Remote controller YES YES NO Indoor unit controller NO Fan motor ON 3 Fan lock OFF status of fan motor continues 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display When To is abnormal Outdoor fan speed rpm Tap SM30 f 0 0 f 9 600 f 1 200 f A 600 ...

Page 37: ...d the operation of air conditioner stops and an alarm is displayed if the fan is locked 4 According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected In cooling operation Compressor speed rps To To To During ECO QUIET and comfort sleep 22 1 50 3 50 3 MIN MAX MIN MAX MIN MAX f 6 f 9 f 8 f B f A f ...

Page 38: ... circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the specified value Description 1 The difference between set temperature on remote controller Ts and room temperature Ta is calculated 2 According to the temperature difference the correction value of Hz signal which determines the compressor speed is set up 3 The rotating position and speed of ...

Page 39: ...n temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value FILE NO SVM 14059 Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is re duced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone 3 When temperat...

Page 40: ...of the compressor for 20 seconds 2 Invert ON 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat ex changer rises to 8 C...

Page 41: ... 41 FILE NO SVM 14059 7 2 Outdoor Print Circuit Board RAV SM304AT P SM404AT P MCC 1656 ...

Page 42: ...air volume changes When high temperature release operation control is working in heating operation When outside low temperature operation control is working in cooling operation When defrost operation is being performed 4 ON OFF operation cannot be performed from remote controller When the control operation is being performed from outside remote side When automatic address is being set up When the...

Page 43: ...ing performed 4 ON OFF operation cannot be performed from remote controller When forced operation is being performed When the control operation is being performed from outside remote side When automatic address being set up When the test run is being performed by operation of the outdoor controller a Did you return the cabling to the initial positions b Are connecting cables between indoor unit an...

Page 44: ...oor unit P C board Wire connection error between indoor units Indoor power OFF Communication stop between indoor master and follower or between main and sub indoor twin Miswiring between indoor unit and outdoor unit or connection erorr Communication stop between indoor and outdoor units Overflow was detected Protective device of indoor unit worked Indoor DC fan error The following method can be do...

Page 45: ...r error Heat exchanger sensor TA error Discharge temp sensor TD error Temp sensor TE TS TL error Heat exchanger temp sensor TL error Outside air temp sensor TO error Suction temp sensor TS error Heat sink temp sensor TH error Miss mounting of temp sensor TE TS Indoor EEPROM error Outdoor EEPROM error Compressor break down Outdoor compressor system error Compressor lock Outdoor unit current detecti...

Page 46: ...or suction temperature TA Indoor heat exchanger Coil temperature TCJ Indoor heat exchanger Coil temperature TC Indoor fan revolution frequency Indoor fan calculated operation time Filter sign time Indoor discharge temperature 1 4 way only Unit C C C C rpm 100h 1h C Outdoor unit data CODE No 60 61 62 63 6A F1 Data name Outdoor heat exchanger Coil temperature TE Outside temperature TO Compressor dis...

Page 47: ...C board part error was detected EEPROM error Heat sink temp sensor TH error 2 Outdoor unit Unset model type of service P C board 3 Outdoor Heat sink overheat error Gas leak detection or 4 way valve system error 1E P03 ALT Outdoor unit Discharge temp error Outdoor Error was detected by discharge temp release control 21 P04 ALT Outdoor unit High pressure SW system error Outdoor High pressure protect...

Page 48: ...t cannot be performed 96 L03 SIM Duplicated indoor master units Indoor There are multiple master units in a group 99 L07 SIM There is group cable in individual indoor unit Indoor When even one group connection indoor unit exists in individual indoor unit 99 L08 SIM Unset indoor group address Indoor Indoor address group was unset 46 L09 SIM Unset indoor capacity Indoor Capacity of indoor unit was u...

Page 49: ... C board 2 When outdoor unit normally operates Check P C board Indoor receiving Outdoor sending 1 Check whether remote controller connection Group Individual was changed or not after power supply turned on Finish of group construction Address check If group construction and address are not normal when the power has been turned on the mode automatically shifts to address setup mode Resetting of add...

Page 50: ...etected 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 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 Judgmentandmeasures 1 Check d...

Page 51: ...ull open of service valve 4 Check PMV Pulse Motor Valve 5 Check broken pipe AC current detection circuit 1 Check refrigerating cycle Gas leak 2 Check PMV Pulse Motor Valve 3 Check discharge temp sensor TD 1 Check service valves are fully opened Gas side Liquid side 2 Check outdoor fan operation 3 Check motor error of outdoor fan 4 Check clogging of outdoor PMV 5 Check clogging of heat exchanger in...

Page 52: ... Status of air conditioner Stop If center exists operation continues If center exists operation continues Stop Sub unit continues operation Continues By remote controller Continuation Stop According to each case Condition 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 whe...

Page 53: ...ing of the indoor unit and inter unit wires 1 2 3 correct Is wiring of the outdoor terminal block correct Correct wiring and inter unit wires Check item code 14 Is connection of case thermo CN500 correct Correct wiring of terminal block Does the case thermo operate Is the compressor abnormally heated Correct connection of connector Check and correct charged refrigerant amount YES YES YES YES NO NO...

Page 54: ...00 connection correct Is resistance value of TE sensor correct Correct connector Sensor error Replace Check outdoor P C board Defect Replace YES NO Is CN604 connection correct Is resistance value of TL sensor correct Correct connector Sensor error Replace Check outdoor P C board Defect Replace YES NO Is CN601 connection correct Is resistance value of TD sensor correct Correct connector Sensor erro...

Page 55: ... resistance value of TO sensor correct YES NO Correct connector Sensor error Replace Check outdoor P C board Defect Replace Is CN603 connection correct Is resistance value of TS sensor correct YES NO Check outdoor P C board Defect Replace Check outdoor P C board Defect Replace Correct connector Sensor error Replace Correct connector Sensor error Replace Correct sensor mounting Is mounting status o...

Page 56: ...orrect Compressor lead P C board side Compressor side Reactor lead Power supply lead YES YES YES NO NO NO Check wire connection and correct it Correct power supply line Is compressor under correct condition Is there refrigerant stagnation Does PMV correctly operate Is power supply voltage correct 50 Hz AC 198 to 264 V 60 Hz AC 198 to 242 V Is wire connection correct Compressor lead P C board side ...

Page 57: ...there gas leak Is there refrigerant shortage Are CN500 connection and case thermostat correct Short each pins of CN500 Can compressor operate YES YES NO YES YES NO NO YES NO NO L10 Unset model type Only when service P C board is used Cut jumper line according to the explanation sheet packaged with the service P C board Check outdoor P C board Defect Replace Correct connector Sensor error Replace R...

Page 58: ...adiation grease to the power device Retightening of screws Does anything block the ventilation around the heat sink Does anything block air flow from the fan Is the power device on P C board tightly screwed Are radiation grease properly applied Open service valve fully Correct and replace piping Correct connector Sensor error Replace Check outdoor P C board Defect Replace Correct defective positio...

Page 59: ...140 CN604 NO YES YES NO YES Are resistance value of indoor TC and TCJ sensors correct Check and replace of PMV Replace TE sensor Replace TS sensor Replace coil of 4 way valve Replace TC sensor Replace TCJ sensor Is the 4 way valve coil is normal Check the resistance value of 4 way valve coil Does power supply to 4 way valve coil when 4 way valve is operated Check outdoor P C board Check indoor P C...

Page 60: ...nsor correct Are resistance values of indoor TC and TCJ sensors correct Replace sensor Check the same items as P22 error Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect Correct defective position Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload etc Defect Correct defective position Eliminate interfering element Eliminate int...

Page 61: ...Ω Between white and black lead wire 12 to 25Ω Between black and red lead wire 12 to 25Ω YES NO 61 P26 P29 Short circuit of compressor driving elements No code Position detection circuit error Other Compressor disorder due to sudden change of load etc Although the display of outdoor LED outputs the unit automatically restarts and error is not determined A code may appear when an open phase of compr...

Page 62: ... 10 25 7 764 7 990 8 218 5 013 5 192 5 375 3 312 3 451 3 594 2 236 2 343 2 454 1 540 1 623 1 709 1 082 1 146 1 213 0 7740 0 8237 0 8761 0 5634 0 6023 0 6434 Temperature C 0 10 20 25 30 40 50 60 70 80 90 100 Resistance value kΩ Ω Ω Ω Ω Minimum value Standard value Maximum value 150 5 161 3 172 7 92 76 99 05 105 6 58 61 62 36 66 26 47 01 49 93 52 97 37 93 40 22 42 59 25 12 26 55 28 03 17 00 17 92 18...

Page 63: ... Measure the resistance value of each winding by using the tester Position Resistance value Red White 1 70 Ω White Black Black Red Under 20 C Red White Black 3 Fan motor Model ICF 140 43 4R Measure the resistance value of each winding by using the tester Position Resistance value Red White White Black Black Red Under 20 C Red White Black 4 4 way valve coil Cooling heating switching Model STF Measu...

Page 64: ...E TIMER SET TEST FILTER L L RESET TEMP CL FAN SAVE A A SWING FIX VENT MODE ON OFF UNIT LOUVER T Contents The error contents in the past can be called Procedure 1 Push SET TEST buttons simultaneously for 4 seconds or more to call the service check mode Service Check goes on the CODE No is displayed and then the content of the latest alarm is displayed The number and error contents of the indoor uni...

Page 65: ...troller Remote controller operation is available Approx 50 seconds after power ON Regular communication between indoor units Every 30 seconds Master Follower Regular communication on the identical pipe every 30 seconds Twin Master Follower When the above status changes immediately communicates Repetition s The unit without power feed waits entirely Waiting status is released by system start s Rebo...

Page 66: ...corresponds to the temporary peak cut The capacity save is switched to 3 stages 75 50 and operation stop 2 Night operation Sound reduction Input a timer on the market Arranged at site The capacity is lowered regardless of load and the operation noise is reduced until 45dB However the normal control is carried out if the outside temperature TO sensor value is 40 C or more 3 Compressor operation out...

Page 67: ...an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided the automatic address setup completes with power ON of the outdoor unit The operation of the remote controller is not accepted while automatic address works Approx 4 to 5 minutes s When the following addresses are not stored in the neutral memory IC503 on the indoor ...

Page 68: ... of service data Header unit Representative unit Master Twin This unit communicates with the indoor unit follower which serial communicates with the outdoor units and sends receives signal Command from compressor to from the outdoor units as the representative of the cycle control in the indoor units of the identical line ad dress within the minimum unit which configures one of the refrigerating c...

Page 69: ...ermo status of the follower Without identical line address indoor outdoor serial and then finally controls the outdoor compressor matching with its own thermo status The header unit sends this command information to the follower unit s Follower unit The follower unit receives the indoor unit data from the header With identical line address indoor outdoor serial and then performs the thermo operati...

Page 70: ...nly without twin Only turning on source power supply Automatic completion 3 Multiple groups operation 1 Single 2 Twin 2 1 Single Twin 1 1 1 2 2 1 Sub Header 1 1 Sub Header 3 1 Master Header 8 1 Sub Header 2 1 Sub Header 1 1 Sub Header 2 3 Master Follower 1 1 Individual Master Header Max 8 units 1 2 Master Header 1 1 1 2 1 1 Sub Follower Change is necessary Manually change addresses of the multiple...

Page 71: ...Remote controller wiring Indoor side Indoor Outdoor connecting wires Outdoor side A B 1 1 L N 2 2 3 3 Power supply Remote controller Remote controller wiring Indoor side Indoor Outdoor connecting wires Outdoor side Example of 2 lines cabling Real line Cabling Broken line Refrigerant pipe For the above example perform setting by connecting singly the wired remote controller without remote controlle...

Page 72: ...sub unit 10 Push SET button OK when display goes on 11 Push TEST button Setup completes The status returns to the usual stop status 10 5 Confirmation of Indoor Unit No Position 1 To know the indoor unit addresses though position of the indoor unit body is recognized s In case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation Procedure 1 Push O...

Page 73: ...ing of the outdoor units Repair the defective position or apply the rust resisting paint if necessary If an indoor unit operates for approx 8 hours or more per day usually it is necessary to clean the indoor outdoor units once three months at least These cleaning and maintenance should be carried out by a qualified dealer Although the customer has to pay the charge for the maintenance the life of ...

Page 74: ...nit Never recover the refrigerant to the outdoor unit For the refrigerant recovery work during reinstallation of repair work be sure to use the refrigerant recovery unit Recovery of refrigerant to the outdoor unit is unavailable otherwise a serious accident such as explosion or injury may be caused 11 HOW TO EXCHANGE COMPRESSOR 11 1 Exchanging Procedure of Compressor Outline 11 2 Exchange of Compr...

Page 75: ...n water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1TØ4 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws ST2T 4 x 14L 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cove ST1T 4 x 10L 2 pcs Insert the upper part into the square hole of the side cabinet set ho...

Page 76: ...t is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Ins t the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws that were...

Page 77: ...ype in some cases NOTE This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between Requirement As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector Discharging position Discharging period 10 seconds or more Plug of soldering iron The connector is one with lock so r...

Page 78: ...uch to disconnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board CN700 CN602 CN300 CN701 CN603 CN601 CN600 CN500 Case thermo 2P blue NOTE These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove th...

Page 79: ...d heat exchanger FILE NO SVM 14059 Remarks Detail A Detail B Detail C 1 Perform work of item 1 of and 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so tha...

Page 80: ...or from the terminal 6 Remove pipe connected to the compressor with a burner FILE NO SVM 14059 Remarks Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors 7 Remove the fixing screw of the bottom plate and heat exchanger ST1TØ4 10L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1TØ4 10L 1 pc 9 Pull upward the refrigeration cycle 10 Remove NUT 3 p...

Page 81: ... claw Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the...

Page 82: ... of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger Procedure FILE NO SVM 14059 Remarks CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for...

Page 83: ... Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again Remarks 1 2 3 4 5 6 Parts name Sensor Sensor Spring A Sensor Spring B Thermal constringent tube Color tape Terminal Q ty 1 1 1 3 1 3 Cutting here Cutting here Cutting here Soldered part Dryer Winding the color tape 100 200 Connector Thermal sensor part Thermal ...

Page 84: ...FILE NO SVM 14059 13 EXPLODED VIEWS AND PARTS LIST 13 1 RAV SM304ATP E RAV SM304ATP TR 84 ...

Page 85: ...COIL PMV 1 1 16 43T46358 VALVE PACKED 6 35 DIA 1 1 17 43T46366 VALVE PACKED 9 52 DIA 1 1 18 43T43410 CONDENSER ASSEMBLY 1 1 20 43T21375 FAN MOTOR 1 1 21 43T20319 PROPELLER FAN 1 1 22 43T19329 FAN GUARD 1 1 23 43T19331 FIN GUARD 1 1 24 43T46351 REACTOR 1 1 25 43T60420 ASM COMP LEAD 1 1 26 43T54319 BIMETAL THERMO 1 1 27 43T49335 RUBBER CUSHION 3 3 28 43T47331 BONNET 6 35 DIA 1 1 29 43T47332 BONNET 9...

Page 86: ...FILE NO SVM 14059 Inverter assembly SM30 86 ...

Page 87: ...ARD ASSY 1 1 703 43T60384 TERMINAL 6P 1 1 704 43T60326 FUSE 1 1 705 43T60428 SENSOR TE 1 1 706 43T60429 SENSOR TS 1 1 707 43T60431 SENSOR TD 1 1 708 43T50331 SENSOR TO 1 1 709 43T62313 BASE PLATE PC 1 1 710 43T60426 FUSE 1 1 711 43T60425 FUSE HOLDER 1 1 RAV Location No Parts No Description ...

Page 88: ...FILE NO SVM 14059 13 2 RAV SM404ATP E RAV SM404ATP TR 88 ...

Page 89: ...IL PMV 1 1 16 43T46358 VALVE PACKED 6 35 DIA 1 1 17 43T46355 VALVE PACKED 12 7 DIA H4 1 1 18 43T43451 CONDENSER ASSEMBLY 1 1 20 43T21375 FAN MOTOR 1 1 21 43T20319 PROPELLER FAN 1 1 22 43T19329 FAN GUARD 1 1 23 43T19331 FIN GUARD 1 1 24 43T58306 REACTOR 2 2 25 43T60420 ASM COMP LEAD 1 1 26 43T54319 BIMETAL THERMO 1 1 27 43T49335 RUBBER CUSHION 3 3 28 43T47331 BONNET 6 35 DIA 1 1 29 43T47333 BONNET ...

Page 90: ...FILE NO SVM 14059 Inverter assembly SM40 90 ...

Page 91: ...ARD ASSY 1 1 703 43T60384 TERMINAL 6P 1 1 704 43T60326 FUSE 1 1 705 43T60428 SENSOR TE 1 1 706 43T60429 SENSOR TS 1 1 707 43T60431 SENSOR TD 1 1 708 43T50331 SENSOR TO 1 1 709 43T62313 BASE PLATE PC 1 1 710 43T60426 FUSE 1 1 711 43T60425 FUSE HOLDER 1 1 RAV Location No Parts No Description ...

Page 92: ...FILE NO SVM 14059 13 3 RAV SM304ATJP E 92 ...

Page 93: ... 43T46358 VALVE PACKED 6 35 DIA 1 17 43T46366 VALVE PACKED 9 52 DIA 1 19 43T43504 WORK COND 1 20 43T21375 FAN MOTOR 1 21 43T20319 PROPELLER FAN 1 22 43T19329 FAN GUARD 1 23 43T19331 FIN GUARD 1 24 43T46351 REACTOR 1 25 43T60420 ASM COMP LEAD 1 26 43T54319 BIMETAL THERMO 1 27 43T49335 RUBBER CUSHION Made in Japan 3 28 43T47331 BONNET 6 35 DIA Made in Thailand 1 29 43T47332 BONNET 9 52 DIA Made in T...

Page 94: ...FILE NO SVM 14059 Inverter assembly SM30 94 ...

Page 95: ...3 PC BOARD ASSY 1 703 43T60384 TERMINAL 6P 1 704 43T60326 FUSE 1 705 43T60428 SENSOR TE 1 706 43T60429 SENSOR TS 1 707 43T60431 SENSOR TD 1 708 43T50331 SENSOR TO 1 709 43T62313 BASE PLATE PC 1 710 43T60426 FUSE 1 711 43T60425 FUSE HOLDER 1 Location No Parts No Description ...

Page 96: ...FILE NO SVM 14059 13 4 RAV SM404ATJP E 96 ...

Page 97: ...43T63329 COIL PMV 1 16 43T46358 VALVE PACKED 6 35 DIA 1 17 43T46355 VALVE PACKED 12 7 DIA H4 1 19 43T43505 WORK COND 1 20 43T21375 FAN MOTOR 1 21 43T20319 PROPELLER FAN 1 22 43T19329 FAN GUARD 1 23 43T19331 FIN GUARD 1 24 43T58306 REACTOR 2 25 43T60420 ASM COMP LEAD 1 26 43T54319 BIMETAL THERMO 1 27 43T49335 RUBBER CUSHION 3 28 43T47331 BONNET 6 35 DIA 1 29 43T47333 BONNET 12 70 DIA 1 30 43047669 ...

Page 98: ...FILE NO SVM 14059 Inverter assembly SM40 98 ...

Page 99: ...4 PC BOARD ASSY 1 703 43T60384 TERMINAL 6P 1 704 43T60326 FUSE 1 705 43T60428 SENSOR TE 1 706 43T60429 SENSOR TS 1 707 43T60431 SENSOR TD 1 708 43T50331 SENSOR TO 1 709 43T62313 BASE PLATE PC 1 710 43T60426 FUSE 1 711 43T60425 FUSE HOLDER 1 Location No Parts No Description ...

Page 100: ...dure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of ref...

Page 101: ...TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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