Toshiba HFC R407C Скачать руководство пользователя страница 21 | Manualshive

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Refrigeration piping schematic diagram

Outdoor unit

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Содержание HFC R407C

Страница 1: ...A90 0233 HFC R407C Super Multi System Service Manual Air Conditioner Multi Split Type System ...

Страница 2: ...2 ...

Страница 3: ...ration mainly cool 25 Diagnostic procedure Diagnostic outdoor unit 26 Diagnostic Multi Controller unit 32 Fault code display Self diagnostic function 34 Troubleshooting Fault code table 36 Diagnostic procedure for check code 37 Control features 63 Valve and sensor function and operation Multi Controller valve function and operation 65 Outdoor unit valve functions 66 Manual operation of valves 67 S...

Страница 4: ...Maylands Avenue Hemel Hempstead WP2 4SQ UK Avoid installation in the following locations Where there is danger of flammable gas leakages Where there are high concentrations of oil Where the atmosphere contains an excess of salt as in coastal areas The air conditioner is prone to failure when used under this condition unless special maintenance is provided Where the airflow from the outdoor unit ma...

Страница 5: ...fold to the corresponding access port as indicated below Low pressure access port High pressure access port Explanation of Toshiba serial number A serial label is attached to all Toshiba air conditioning units Located on the label is an 8 digit number which represents the month year and batch number of the manufactured unit A breakdown of the 8 digit number is defined below 2 4 4 8 0 0 0 1 j j j Y...

Страница 6: ...PE 3 RBM Y1044F PE 4 3 Interface control kit Model name Requirement RBC 16DIF1 PE 3 or 4 Multi Controllers used on a system Combination of Multi Controllers indoor units and interface kits No of No of 3 way No of 4 way No of indoor units Multi Controllers Multi Controllers interface kits 1 8 1 2 Multi Controllers 0 9 3 0 1 10 2 1 1 11 1 2 1 12 0 3 1 13 3 1 2 14 2 2 2 15 1 3 2 16 0 4 2 ...

Страница 7: ...qualified in accordance with local and national codes of practice and statutory requirements Note 5 Legislation may regulate the removal of waste refrigerant from the systems We advise awareness of any regulations and duty of care Waste refrigerant must NEVER be discharged to atmosphere Note 6 Electrical work should be in accordance with all relevant codes of practice and should be carried out by ...

Страница 8: ...m allows separate operation of each indoor unit in either heating or cooling simultaneously 3 pipe outdoor unit T pieces 3 pipes Multi Controller Indoor units 2 pipes Remote controller Indoor unit remote controller requesting cooling Cooling operation Indoor unit remote controller requesting heating Heating operation ...

Страница 9: ...eceives operation commands from all indoor units connected calculates the accumulative operation command and transmits this information to the outdoor unit interface microprocessor The interface microprocessor calculates the capacity required for heating or cooling and determines the operation mode of the outdoor unit and the actual frequency of the compressor Control system diagram Indoor unit 1 ...

Страница 10: ...Capacity 16 Capacity 16 Capacity 26 Indoor unit Capacity No connection 10 13 16 20 26 36 46 Code number 0 2 3 4 5 6 8 10 Example Model RAV 364UH PE capacity 36 Multi Controller PCB MCC 1210 Capacity select switches Multiple indoor units may be connected to each outdoor unit providing the total indoor code does not exceed the limits shown below Combination of Multi Controllers and indoor units Numb...

Страница 11: ... 1 PE 4 RAV 104SBH PE 2 Built In Horizontal RAV 164BH PE 4 RAV 264BH PE 6 RAV 364BH PE 8 RAV 464BH PE 10 Ceiling Suspended RAV 134CH CHR PE 3 RAV 164CH CHR PE 4 RAV 264CH CHR PE 6 RAV 364CH CHR PE 8 RAV 464CH CHR PE 10 High Wall RAV 105KH E 2 RAV 135KH E 3 RAV 165KH E 4 RAV 265KH E 5 High Wall RAV 264KH PE 6 Built In Vertical RAV 104NH PE 2 RAV 134NH PE 3 RAV 164NH PE 4 RAV 264NH PE 6 Floor Mounte...

Страница 12: ...ter NISSEKI RB74AF 74VG 7000 Crankcase heater Internal type Motor output kW 7 5 Fan assembly Fan Propeller fan Motor output kW 0 4 Air flow volume m3 h 10 000 Refrigeration charged weight kg R 407C 19 Piping connection Liquid mm 15 9 flare connection Discharge gas mm 19 0 flare connection Suction gas mm 28 6 brazing connection Max equivalent piping length m 120 Max actual piping length m 100 Max p...

Страница 13: ...e Operating pressure Operation MPa 3 2 Reset MPa 2 55 Low pressure switch Model name 20PS 1 Operating pressure Operation MPa 0 025 Reset MPa 0 15 4 way valve CHV 0712 coil AC240 V Liquid tank l RSH 12 12 Accumulator l BT9 1 1 8 Check valve Model name YCV5 3SPTF 1 Maximum pressure MPa 3 3 Check joint Model name R 407C type Maximum pressure MPa 3 53 Expansion valve EXV V E80HTF 9WS Compressor heater...

Страница 14: ...mbly PCB communication MCC 1387 Fan motor capacitor 8 µF 450 V AC Electrolytic capacitor 2200 µF 400 V Power supply terminal plate L1 L2 L3 600 V AC 60 A 3 pole Transformer Interface TT01 Magnetic contactor Inverter side FMCa 1S Magnetic contactor Fixed side FC 3 Reactor CH 25 2FK Fuse 6 A 500 V AC Fuse 20 A 600 V AC Fuse 3 15 A 250 V AC Fuse 6 3 A 250 V AC Fuse 20 A 250 V AC Fuse 10 A 250 V AC Th...

Страница 15: ...sembly PCB MCC 1222 Power supply transformer Model name FT69 Specification Primary side AC 240 V secondary side AC 12 V Relay PC board G2R 117P coil DC 12 V Heater 10 4 W m 50 W 65 W Thermal fuse for heater Cut out at 119 C Heater fuse T1A Discharge gas side 2 way valve RP100 03 coil AC 240 V Suction gas side 2 way valve REV 1506DXFQ6 coil AC 240 V 2 way valve NEV202DXF AC 240 V 2 way valve NEV603...

Страница 16: ... unit Details of piping connections Foundation dimensions Slot pitch Fixing bolt pitch Grounding part of bottom plate 4 15 x 20 Slot Fixing bolt positions MAR F105HTM8 PE Dimensional drawings Grounding part of bottom plate All dimensions in mm 790 755 990 700 630 80 80 750 1700 1582 700 88 90 110 601 568 500 4 60 x 150 slot for transport 3 ø 20 cable gland knock outs ø 32 cable gland knock outs ø ...

Страница 17: ...arts box Refrigerant pipe connection brazing Liquid side ø 12 7 Refrigerant pipe connection brazing Gas side ø 19 2 notches for hanging bolts 12 x 21 2 slots for hanging bolts 12 x 52 3 pipe RBM Y1034F Y1044F PE Connection brazing Liquid side ø 15 9 Refrigerant pipe connection brazing Delivery gas side ø 19 Refrigerant pipe connection brazing Suction gas side ø 28 6 Wiring knockouts 6 x ø 20 ...

Страница 18: ...18 Wiring diagrams Outdoor unit MAR F105HTM8 PE ...

Страница 19: ...19 Wiring diagrams Outdoor unit ...

Страница 20: ...asing pressure SVH Electrically operated valve for superheat control LD 101 102 103 104 Fault indicator LED Parts layout The dashed lines indicate wiring on site and indicate terminal blocks and numbers within them are terminal numbers indicates a printed circuit board The frame indicates the product body RBM Y1034F PE does not have PMVD SVD D SVS D ThD or the connection block for indoor unit D Th...

Страница 21: ...21 Refrigeration piping schematic diagram Outdoor unit ...

Страница 22: ...22 Refrigeration piping schematic diagram Normal operation heat mode Key High pressure gas Low pressure gas High pressure liquid Low pressure liquid ...

Страница 23: ...23 Refrigeration piping schematic diagram Normal operation cool mode Key High pressure gas Low pressure gas High pressure liquid Low pressure liquid ...

Страница 24: ...24 Refrigeration piping schematic diagram Simultaneous operation mainly heat Key High pressure gas Low pressure gas High pressure liquid Low pressure liquid ...

Страница 25: ...25 Refrigeration piping schematic diagram Simultaneous operation mainly cool Key High pressure gas Low pressure gas High pressure liquid Low pressure liquid ...

Страница 26: ...adjuster pen which is attached to the window access to alter the setting of the display switch SW1 and SW2 while the unit is running A slit is positioned at one end of the pen to locate onto the rotary switch The adjuster pen can also be used to push switches SW3 and SW4 during the diagnostic procedure check A crimp connector is located on the other end of the adjuster pen This connector can be us...

Страница 27: ...ction Heating frequency 00 1F Cooling frequency 00 1F frequency Refer to conversion table 2 Refer to conversion table 2 3 Outdoor unit Operating Heating H Cooling 0C operating condition mode Simultaneous heating Hc Defrost J0 Simultaneous cooling hC 4 M C Frequency operation release Off 0 No 0 1 unit 1 Yes 1 2 unit 2 5 Operating instruction Operating Heating H Simultaneous from M C 2 mode cooling ...

Страница 28: ...5 6 7 8 9 A B C D E F code Frequency 0 30 5 38 3 41 9 45 5 53 3 61 0 68 8 76 0 83 8 91 6 102 9 110 7 121 5 conversion value Hz 4 PMV opening information is displayed Display Display Indication 7 segment LED display switch switch LD 71 LD 72 LD 73 LD 74 SW1 SW2 position position 1 2 PMV1 opening P 1 Displays the degree of PMV opening 0 240 as a hexadecimal code 3 PMV2 opening P 2 00 Closed F0 Fully...

Страница 29: ...A A indoor unit model capacity rank 6 indoor unit Unit B b 7 connected to Unit C C 8 M C 2 Unit D d 7 Indoor unit code No conversion table Code No 0 2 3 4 5 6 8 10 Capacity rank No correction 10 13 16 20 26 36 46 Indoor unit model example Model RAV 364UH PE capacity rank 36 8 Sensor temperature display Display Display Indication 7 segment LED display switch switch LD 71 LD 72 LD 73 LD 74 SW1 SW2 p...

Страница 30: ... 0 28 40 0 7C 85 0 C6 130 0 07 0 0 30 45 0 87 90 0 CB 135 0 09 5 0 38 50 0 90 95 0 D0 140 0 0C 10 0 41 55 0 9A 100 0 0F 15 0 4A 60 0 A2 105 0 12 20 0 54 65 0 AB 110 0 17 25 0 5E 70 0 B2 115 0 1C 30 0 68 75 0 B9 120 0 22 35 0 72 80 0 C0 125 0 These are sample displays Intermediate displays to those above are possible Display 00 signifies sensor open circuit 11 Outdoor unit ThS TE TO sensor data Dis...

Страница 31: ...er s display switch to 6 4 Turn the power back on 5 Set all the remote controllers to cool mode and 29 C 6 Press the on off button to start all the indoor units the outdoor LEDs show 1020 7 Press the outdoor unit switch SW3 and hold for 3 seconds 8 The system is now in self testing all 8 LEDs will be flashing rapidly 9 The system will stop at the end of the test In the event of cross wiring piping...

Страница 32: ...ller display conversion table 1 for display switch position 2 to the out door unit 3 Oil Oil Superheat Superheat Oil Oil Superheat Superheat Oil retrieval retrieval control control retrieval retrieval control control retrieval superheat unit B unit B unit A unit A unit D unit D unit C unit C control Defrost Displays dF during defrost operation 4 Operation M C operating Outdoor unit operating mode ...

Страница 33: ...0 6C 11 0 98 22 0 Display 00 signifies sensor open circuit Inverter control board INV Control board communication diagram Interface control board I F Multi Controller M C 1 Multi Controller M C 2 Indoor unit Remote controller A few seconds 1 minute 1 minute 1 minute Remote controller fault code display time lapse for system malfunctions Serial signal abnormalities Between the I F and the INV More ...

Страница 34: ...Details of the Multi Controller and outdoor unit malfunctions can be determined from their control boards Multi Controller malfunctions are also displayed on the outdoor unit interface control board Fault code identification When a malfunction has been identified do not reset the system Press the CHECK button on the remote controller and observe the display The location and cause of the malfunctio...

Страница 35: ...eck button is pressed for 1 second Note Up to 16 indoor units can be connected to one remote controller using group control 2 fault codes for each of the 16 indoor units can be displayed at 2 second intervals Example Display for fault codes The 1st fault detected The 2nd fault detected Indoor unit number TEMP LOUVER MANUAL c TIMER ADDRESS CONT OFF ON ...

Страница 36: ...munication signal between Interface PCB and IPDU 04 No communication signal between M C and O D No communication signal between I D and M C 0b Drain pump fault I D unit 0C TA sensor fault 0d TC sensor fault 08 Reverse TC temperature change 09 No TC temperature change 11 Motor short circuit 12 Indoor PC board short circuit b5 External input display fault Low level refrigerant leak if RBC RD1 PE fit...

Страница 37: ...cable between the Multi Controller the outdoor unit Replace communication cable h No Is there continuity of the communication cable between the outdoor interface PC board and outdoor IPDU PC board Replace communication cable h No Is there voltage present between pins 4 and 5 of CN1 on communication PC board DC 0 to 5 V pin 5 GND Communication PC board is defective replace h No Is there voltage pre...

Страница 38: ...se 08 1 4 way valve operation error 4 way valve reversal alarm 2 TS sensor TE sensor error 3 Pd sensor error 4 Fixed speed compressor Mg SW operation error Modify connection of connectors TS sensor PJ3 TE sensor PJ4 Pd sensor PJ7 h No j No Is fixed speed compressor activated Restart the operation after manual reset h No Does 4 way valve operate j h Yes No Does refrigerant bypass from discharge to ...

Страница 39: ...the compressor running but not pumping Are the gas suction gas discharge and liquid packed valves fully open Is the wiring of the compressor normal See judgement flow 1d compressor fault j j j j Yes Yes Yes Yes Is the indoor unit in frost conditions Is the indoor TC sensor normal and connected correctly Confirm Lack of gas charge Pipe blockage j j Yes Yes Modify power supply No No Open packed valv...

Страница 40: ...j Yes j Yes h No No No h h h No h Check code Operation cause 0C Indoor sensor TA short or open circuit alarm TA sensor open short TA sensor open short has been detected Check disconnection of connector connection TA sensor CN04 circuit and resistance value characteristics of sensor When the sensors are normal replace indoor PC board MCC 1292 Check code Status of air conditioner Operation cause 0D ...

Страница 41: ...ns during fan operation Measurement by tester Approx DC2 to 2 5V Is there a connection error of CN07 connector Is capacitor normal Confirm there is no mechanical lock on the fan motor Modify connection and wiring Replace capacitor Replace fan motor Replace MCC 1292 PC board j j j j j j j j j j h h h h Yes Yes Yes Yes Yes Yes No Yes No No No No No No Check code Operation cause 12 1 Irregularity of ...

Страница 42: ...IPDU PC board Is the power supply voltage of the outdoor unit normal Is the connection of the wiring connector on the IPDU PC board normal Is AC 20A fuse working Is inverter compressor normal Is smoothing capacitor normal 2200µ F 400V x 2 Check IPDU PC board Confirm the power supply line Modify connector of wiring Replace IPDU PC board and fuse Replace IPDU PC board and inverter compressor Confirm...

Страница 43: ...onnection of wiring Check IPDU PC board h j Yes No Check code Operation cause 1C 1 Outdoor unit power source error Extension IC EEPROM short circuit alarm 2 Interface PC board error Outdoor unit error Is there an irregularity of outdoor unit power source Check power source voltage Modify power source line Check noise interference from outside etc Check interface PC board fault code h j Yes No Is c...

Страница 44: ...it normal Does voltage reduction occur when the fixed speed compressor has been activated Is the connection of wiring on the IPDU PC board normal Is there an abnormal overload Is the inverter compressor normal Is there refrigerant stagnation in the compressor case Check IPDU PC board Confirm the power source supply Modify connector wiring Modify cause of overload Compressor error Modify refrigeran...

Страница 45: ...Troubleshooting Diagnostic procedure for check code Remove cause of overload Is the power source voltage of the outdoor unit normal Does the voltage reduction occur when the fixed speed compressor has been activated Is the wiring connection on the IPDU PC board correct Is there an abnormal overload Check IPDU PC board Confirm the power source supply Modify wiring connector j j j j h h h i No No No...

Страница 46: ...exchanger 1 Blockage of heat exchanger 2 Short circuit Il circuito di bypass della SV2 è normale Is SV2 bypass circuit normal A Check parts If defective replace Open service valve fully Remove cause Repair SV2 bypass circuit Are the connection capacitor and fan motor normal Are the high pressure sensor characteristics normal See judgment flow of IPDU IOL operation circuit E5 Repair defective posit...

Страница 47: ...charge Blockage Pipe breakage Abnormal overload Yes No Yes Yes Eliminate blocking element Check and modify wiring No Yes Are the connector connection and coil normal Is there a blockage on whole valve Check Multi Controller PC board If defective replace Repair defective position No Replace PMV unit Yes Yes No Are the connection and fan motor normal Repair defective position No Yes No No Is the sen...

Страница 48: ...oor PC board Are gas pipe liquid pipe and service valve of the outdoor unit fully open Is outdoor PMV 1 normal 1 Connector connection 2 Wiring 3 Coil 4 Valve unit 5 Outdoor PC board Is wiring correct Repair IOL circuit Repair outdoor PMV Open service valve fully j j j h h h No No No Yes Yes Yes Set normal wiring h No Check miswiring of the outdoor unit according to miswiring check function Insuffi...

Страница 49: ...it Thc sensor open short Open short of Thc sensor was detected Check connector Thc sensor PJ3 and characteristics of sensor resistance value When sensor is normal replace interface PC board of the Multi Controller Check code Operation cause 83 Gas temp sensor Thd short circuit Thd sensor open short Open short of Thd sensor was detected Check connector Thd sensor PJ4 and characteristics of sensor r...

Страница 50: ...pacity 2 Incorrect set up of indoor unit horse power or set to 0 Is No of connected indoor units acceptable 1 Is set up of indoor unit horse power correct 2 Is total capacity of connected indoor units within indoor unit diversity 1 M C 135 2 4 M C 160 Modify set up of horse power Indoor units from another system have been incorrectly connected Modify miswiring installation j j h h No No Yes Yes Ke...

Страница 51: ...ation cables normal Did power failure occur Clear the alarm after turning on the power source and start the operation Check communication cable Indoor PC board error j j h No Yes Yes Yes Is the power source of either central controller or indoor outdoor turned on Clear the alarm after turning on the power source and start the operation j h No Yes Is there a connection error of power source wiring ...

Страница 52: ...he wiring connection of communication cables to X Y normal Check connection of wiring j h No Yes Is 98 displayed only on the central controller No Yes Check duplication of network addresses h Is there duplication of network addresses Check indoor PC board If defective replace No Yes j j Check the central controller If defective replace Is 97 displayed only on the central controller Check No of con...

Страница 53: ... j h No Yes Is there a connection error Yes No Set SW01 to 1 Correct switch SW01 h h Is SW01 set to No 1 on the master unit Is SW01 duplicated Check indoor PC board If defective replace No No Yes Yes j Does the indoor unit operate Is SW01 set to No 1 Make unit set up No 1 j h No Yes j j Is group operation performed Yes No h j Check indoor PC board If defective replace Check remote controller If de...

Страница 54: ...rcuit TS1 sensor open short Open short of TS1 sensor was detected Check connector TS1 sensor PJ3 and characteristics of sensor resistance value When sensor is normal replace interface PC board of the outdoor unit Check code Operation cause A4 External air sensor Tho short circuit Tho sensor open short Open short of Tho sensor was detected Check connector Tho sensor PJ5 and characteristics of senso...

Страница 55: ...ipe and liquid pipe service valves of the outdoor unit fully open Are PMV 2 and SV13 operating normally Is wiring correct Insufficient refrigerant blockage pipe breakage Multi Controller blockage Open valves fully Replace defective part Correct wiring j j j h h h No No No Yes Yes Yes Are the resistance characteristics of TD sensor normal Replace TD sensor j h No Yes Is the cooling bypass PMV 1 nor...

Страница 56: ...ion valve j j h h No Yes Yes No Insufficient refrigerant blockage pipe breakage Are the characteristics of TS pressure switch normal N C type Replace TS pressure switch j h No Yes Check code Operation cause AA High pressure sensor Pd short circuit Pd sensor output voltage alarm If there is an abnormal output voltage of Pd sensor Check connector circuit Pd sensor PJ7 and output voltage of the senso...

Страница 57: ...ully open Does the outdoor fan normally operate Is there a problem with the outdoor unit heat exchanger 1 Blockage of heat exchanger 2 Short circuit air flow 3 Blockage of air flow C Check parts If defective replace Open service valve fully Remove cause Are the connection capacitor and fan motor normal Are the high pressure sensor characteristics normal See judgment flow of fixed speed IOL OL circ...

Страница 58: ...vercharge Blockage Pipe breakage Abnormal overload Yes No Yes Yes Eliminate blocking element Check and modify wiring No Yes Are the connector connection and coil normal Is there a blockage on whole valve Check Multi Controller PC board If defective replace Repair defective position No Replace PMV unit Yes Yes No Are the connection and outdoor fan motor normal Repair defective connection No Yes No ...

Страница 59: ... Insufficient refrigerant blockage pipe breakage Repair OCR circuit Open service valves fully Repair power supply system Replace fixed speed compressor Repair IOL circuit Are the following items related to power supply normal 1 Power supply voltage is 400 V 10 2 Phase missing short circuit of fixed speed compressor power supply circuit system Is Mg SW defective Replace Mg SW j j j j j j j j j j j ...

Страница 60: ... during operation of compressor Check interface PC board Modify connector connection PJ9 MCC 1223 Ps switch error Replace switch Check compressor Confirm refrigeration charge correct No leaks from system Does refrigerant bypass from outlet to inlet on 4 way valve Check 4 way valve j j j j h h h h No Yes Yes Yes No No No Yes Check code Operation cause AF Abnormal power phase order or missing phase ...

Страница 61: ...e external device connected to connector CN17 Check indoor PC board If defective replace j h No Yes j Yes Check external device If defective replace h Check cause of the operation Check code Operation cause d3 Error of temp sensor incorporated in IGBT TH sensor alarm Inverter Gate Bi Polar Transistor Refer to outdoor unit There is an error with the temp sensor incorporated in IGBT Check connectors...

Страница 62: ...wer supply voltage normal Is the wiring connector connection normal on the inverter PC board Is there a blockage in the heat sink cooling duct Check inverter PC board Check power supply Check fan and fan motor Remove blockage j j j h h h No Yes No Yes No Yes Is there a screw loose on the IGBT module or heat sink on inverter PC board Tighten screws j h Yes No Is outdoor fan normal Check the circuit...

Страница 63: ...minute every 60 minutes During oil retrieval the following occurs a All Multi Controller PMVs are opened The degree of opening is dependant on the capacity of the Indoor unit b If the D O L compressor is OFF the inverter compressor speed increases to SD When cooling operation ends the timer is reset 3 Superheat control Superheat is controlled by the Multi Cooling mode Controller for cooling operat...

Страница 64: ...olled by the difference of all requested cooling and heating command frequencies and the compressor operation frequency This flow control is required to divide cooling exhaust heat appropriately between indoor units in heating mode and the outdoor unit heat exchanger High pressure control is performed to ensure that the capacity of the indoor units in heating is maintained This is controlled by th...

Страница 65: ...eating to shutdown or cooling Opens when defrost operation starts Opens during oil retrieval control in cooling operation SVDD Pressure increasing Opens when the number of units in heating operation solenoid valve is increased shutdown or cooling to heating Opens while control is performed to prevent liquid in discharge pipe from being blocked SVH Superheat solenoid valve Opens when unit in coolin...

Страница 66: ... 3 pipe only Opens when outdoor ThO 0 C SV4 Solenoid valve for D O L Opens when the D O L compressor starts for compressor start up unloading SV5 Gas balance Opens when compressor stops SV13 Cooling solenoid valve Opens for cooling only operations SV14 Solenoid valve for SV14 opens for heating operation expansion valve SV15 Sub heat exchanger Opens for sub heat exchanger requirement solenoid valve...

Страница 67: ...d 2 Valves will reassume their required position unless electrically isolated a Multi Controller Display switch Valve Short point position 0 PMV A TP 1 TP 2 1 PMV B Selected valve is fully opened for 2 Selected valve is fully closed for 2 2 PMV C minutes minutes 3 PMV D b Outdoor unit SW1 SW2 Short point Operation Function 0 N A TP1 Valves will automatically assume PMV 1 fully open for 2 minutes 1...

Страница 68: ...nger Suction temperature Controls the degree of opening of PMV 1 sensor ThS Stops operation when ThS 40 C for 10 minutes Fault code A7 Discharge temperature Controls the degree of opening of PMV 1 sensor ThD1 ThD2 Stops operation when the discharge temperature 130 C Fault code A6 Outdoor unit heat Controls the defrost operation exchanger sensor TE Controls the outdoor unit fan operation Heating op...

Страница 69: ...es Never use oxygen or a flammable noxious gas Low pressure gauge High pressure gauge Packed valve fully closed gas suction side Inverter outdoor unit Gauge manifold Brazed Service port Copper pipe ø 6 4 Regulator Nitrogen gas Service port Flare connection Flare connection Packed valve fully closed liquid side Packed valve fully closed gas discharge side To detect a large leakage Step 1 0 3 MPa 3 ...

Страница 70: ...ge gas liquid and suction gas sides Low pressure gauge High pressure gauge Packed valve fully closed gas suction side Inverter outdoor unit Gauge manifold Brazed Service port Vacuum pump Service port Flare connection Flare connection Packed valve fully closed liquid side Packed valve fully closed gas discharge side Use a vacuum pump with high vacuum carry over degree 0 013 x 105 Pa 0 750 mm Hg or ...

Страница 71: ... Controllers iii The branch pipe lengths must be individually calculated using the 8 longest pipes iv Do not attempt to add gas above the maximum shown in the table above v For systems with one Multi Controller ignore the sub pipe section within the additional gas charge calculation vi When using three Multi Controllers it is important that a reducer is used on the pipework for the third Multi Con...

Страница 72: ...X Pipe Additional gas metre Additional gas MAR F105 main pipe L1 X Y Z minus 2 m x 0 19 kg m 1st longest sub pipe L2 minus 1 m x 0 125 kg m 2nd longest sub pipe L2 minus 1 m x 0 125 kg m 1st longest branch pipe L3 minus 2 m x Refer to Table 1 2nd longest branch pipe L3 minus 2 m x Refer to Table 1 3rd longest branch pipe L3 minus 2 m x Refer to Table 1 4th longest branch pipe L3 minus 2 m x Refer ...

Страница 73: ...n the refrigerant cylinder upright open the liquid side and balance packed valves completely and open the gas side packed valve only half way Begin the cooling operation open valve VL and then charge the gas side pipe with refrigerant in the liquid state 3 While watching the scales display quickly close the valve VL completely when the system has been charged with the proper amount of additional r...

Страница 74: ...74 Exploded view and service parts Outdoor unit ...

Страница 75: ...75 Exploded view and service parts Outdoor unit 12 14 j ...

Страница 76: ...046151 2 way valve 25 43A46041 Pulse modulating valve PMV 1 26 43A46042 Pulse modulating valve PMV 2 27 43A46010 Expansion valve 28 43A46007 4 way valve Note Part 35 Replace both dryers at the same time Ref Service Description part No 29 43A48005 Accumulator 30 43A48006 Liquid tank 31 43A60013 Fusible plug 32 43A43018 Condenser assembly right 33 43A43019 Condenser assembly left 34 43A44089 Sub con...

Страница 77: ...69036 PC board interface MCC 1223 115 43A69037 PC board communication MCC 1387 116 43A60034 Terminal 6P 117 43A60035 Terminal 9P Ref Service Description part No 118 43A34001 Relay 119 43A60016 Terminal block 3P 60 A 120 43A55006 Reactor CH 25 2FK 121 43A60020 Fuse 6 A 122 43A60021 Fuse 20 A 123 43A52006 Magnetic contactor FMCa 1S 02 124 43A60022 Fuse holder 30 A 125 43A60023 Fuse 3 15 A 126 43A600...

Страница 78: ...e 9 43146398 Valve body 10 43146506 Solenoid coil 11 43A46011 Expansion valve 12 43146505 2 way valve 13 43151231 Float switch 14 43157252 Panel heater RBM Y1044F PE Ref Service Description part No 15 43157253 Panel heater RBM Y1034F PE 16 43189026 Insulator liquid A 17 43189027 Insulator liquid B 18 43189028 Insulator header A RBM Y1044F PE 19 43189029 Insulator header A RBM Y1034F PE 20 43189031...

Страница 79: ...5 Sensor ThD RBM Y1044F PE Note Terminal D is present on RBM Y1044F PE unit only Ref Service Description part No 107 43150166 Sensor ThX 108 43151242 Micro switch 109 43A60001 Terminal block 4P 110 43060776 Terminal block 2P 111 43A60008 Fuse T1A 112 43A60007 Fuse holder PJ6 PJ7 PJ8 PJ9 PJ1 THA PJ2 THB PJ3 THC PJ4 THD PJ5 THX PJ16 Capacity rank setting Display selector switches 7 segment LED A B C...

Страница 80: ...www toshiba aircon co uk MADE IN UK A90 0233 Revised October 2002 ...

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