background image

3

1

TECHNICAL CHANGES

MSY-TP35VF -

E1

ET1

MSY-TP50VF -

E1

ET1

  1. New model

OBH816

Содержание MSY-TP35VF-E1

Страница 1: ... DIMENSIONS 7 6 WIRING DIAGRAM 8 7 REFRIGERANT SYSTEM DIAGRAM 9 8 SERVICE FUNCTIONS 10 9 MICROPROCESSOR CONTROL 11 10 TROUBLESHOOTING 17 11 DISASSEMBLY INSTRUCTIONS 27 MSY TP35VF E1 ET1 MSY TP50VF E1 ET1 Outdoor unit service manual MUY TP VF Series OBH817 SERVICE MANUAL No OBH816 PARTS CATALOG OBB816 Models INDOOR UNIT ...

Страница 2: ...h the refrigerant Do not touch the hot or cold areas in the refrigeration cycle When the repair or the inspection of the circuit needs to be done without turning off the power exercise great caution not to touch the live parts Use the specified refrigerant only Never use any refrigerant other than that specified Doing so may cause a burst an explosion or fire when the unit is being used serviced o...

Страница 3: ...3 1 TECHNICAL CHANGES MSY TP35VF E1 ET1 MSY TP50VF E1 ET1 1 New model OBH816 ...

Страница 4: ...al vane Air inlet Air filter Front panel Air outlet Heat exchanger Emergency operation switch ACCESSORIES MSY TP35VF MSY TP50VF Installation plate 1 Installation plate fixing screw 4 25 mm 5 Felt tape Used for left or left rear piping 1 2 PART NAMES AND FUNCTIONS OBH816 ...

Страница 5: ...ction 5 Airflow Cooling Super High m3 h 984 990 High 822 Med 696 Low 606 Sound level Cooling Super High dB A 45 High 40 Med 36 Low 31 Fan speed Cooling Super High rpm 1 070 1 080 High 930 Med 820 Low 740 Fan speed regulator 4 NOTE Test conditions are based on ISO 5151 Cooling Indoor Dry bulb temperature 27 C Wet bulb temperature 19 C Outdoor Dry bulb temperature 35 C 1 Measured under rated operati...

Страница 6: ...S Hz NC 10 COOLING FUNCTION SPL dB A LINE Super High FAN SPEED 45 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz NC 10 COOLING FUNCTION SPL dB A LINE Super High FAN SPEED 45 INDOOR UNIT WALL MICROPHONE 0 8m 1m Test conditions Cooling Dry bulb temperature 27 C Wet bu...

Страница 7: ...5 OUTLINES AND DIMENSIONS MSY TP35VF MSY TP50VF Piping Insulation Ø50 O D Liquid line Ø8 0 5m Flared connection Ø6 35 Gas line Ø12 0 45m Flared connection Ø9 52 Drain hose Insulation Connected part Ø16 O D OBH816 ...

Страница 8: ...rir 2 Sadece bakır besleme kablosu kullanın NOTLAR 1 Dış ünite elektronik kablolaması için dış ünite elektronik kablo devre şemasını referans alınız İÇ ÜNİTE GÜÇ KARTI İÇ ÜNİTE ELEKTRONİK KONTROL KARTI REAKTÖR PARÇA ADI SİGORTA T3 15AL250V FAN MOTORU VARİSTÖR ODA SICAKLIK TERMİSTÖRÜ BORU SICAKLIK TERMİSTÖRÜ ANA BORU SICAKLIK TERMİSTÖRÜ YARDIMCI TRAFO TERMİNAL BLOĞU KONTAKTÖR TERMİNAL UCU OBH816 ...

Страница 9: ...door heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant flow in cooling Refrigerant pipe ø9 52 with heat insulator Refrigerant pipe ø6 35 with heat insulator Indoor coil thermistor RT12 Indoor coil thermistor RT13 OBH816 ...

Страница 10: ...e not to turn ON at the same time When some air conditioners are connected to the same supply system if they are operated before power failure the starting current of all the compressors may flow simultaneously at restart Therefore the special counter measures are required to prevent the main voltage drop or the rush of the starting current by adding to the system that allows the units to start on...

Страница 11: ... Installation Manual Note All icons are displayed for explanation 5 6 1 2 3 4 Press to turn ON OFF the indoor unit 1 This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error Press to save the setting Main display Press to change the operation mode Main menu Press to move the cursor down Press to return to the previou...

Страница 12: ...estriction Maintenance Initial setting ON OFF timer Auto OFF timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Daylight saving time Service Input maintenance info Function setting Check Self check Maintenance password Remote controller check Test run Clock Auto descending panel Menu structure F...

Страница 13: ...ns cannot be operated Maintenance Auto descending panel Not available Manual vane angle Not available 3D i see Sensor Not available Initial setting Main Sub When connecting 2 remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Use to switch between Full and Basic modes for the Main display The initial setting is Full Contrast Use...

Страница 14: ...re Preset temperature before the power was turned off Fan speed Fan speed before the power was turned off Settable preset temperature range Operation mode Preset temperature range Cool Dry 16 31ºC Fan Ventilation Not settable Operation Indicator lamp The operation indicator at the right side of the indoor unit indicates the operation state The following indication applies regardless of shape of th...

Страница 15: ...ne stopper Then the vane is set to the selected angle Confirmation of standard position is performed in the following cases a When the operation starts or finishes including timer operation b When the test run starts F1 F2 F3 F4 Cool Room Auto Set temp Mode Temp Fan Fri Press button to go through the fan speeds in the following order Auto Low Med Super High High F1 F2 F3 F4 Main Main display Curso...

Страница 16: ...ION switch on the right side of the indoor unit Emergency operation is available when the remote controller is missing or has failed or when the batteries in the remote controller are running down The unit will start and OPERATION INDICATOR lamp will light up The first 30 minutes of operation is the test run operation This operation is for servicing The indoor fan runs at High speed and the temper...

Страница 17: ...eck the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care of the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with the remote controller and then after confirming the horizontal vane is closed turn OFF the breaker and or disconnect the power plug 2 Be sure to turn OFF the powe...

Страница 18: ...abnormal point by refer ring to the outdoor unit failure recall mode table Refer to outdoor unit service manual Make sure to check at least 2 consecutive blinking cycles 3 Repair the failure parts Yes Blinks No OFF Setting up the failure mode recall function Judgment of indoor outdoor abnormality Releasing the failure mode recall function Deleting the memorized abnormal condition Operational proce...

Страница 19: ...NCY OPERA TION switch is pressed Refer to outdoor unit service manual Upper lamp Blink on and off at 0 5 sec ond intervals Cause Indoor Outdoor unit Miswiring or trouble of serial signal Upper lamp 2 time blink Cause Indoor unit Trouble of room temperature indoor coil thermistor Upper lamp 3 time blink Cause Indoor unit Trouble of indoor fan motor Upper lamp 4 time blink Cause Indoor unit Trouble ...

Страница 20: ...the indoor electronic control P C board 5 Outdoor power sys tem Upper lamp blinks 5 time blink 2 5 second OFF It consecutively occurs 3 times that the com pressor stops for overcurrent protection or start up failure protection within 1 minute after start up Refer to How to check of in verter compressor Refer to outdoor unit service manual Check the stop valve 6 Outdoor thermistors Upper lamp blink...

Страница 21: ...th a tester Refer to 10 7 Test point diagram and voltage 2 Indoor electronic control P C board for the chart of thermistor Indoor coil thermistor RT12 RT13 Indoor fan motor MF Check 10 6 Vane motor MV Measure the resistance between the terminals with a tester Part temperature 10 30 C Color of the lead wire Normal RED BLK 235 255 Ω BLK BLK RED BLK BLK ROTOR OBH816 ...

Страница 22: ...pressed the voltage measured at 2 above goes 0 V DC although the indoor P C board is normal Does the voltage between CN211 and on the power P C board rise to the range of 3 to 6 V DC within 12 seconds after EMERGENCY OPERATION switch is pressed Replace the indoor fan motor Yes No The indoor fan motor error has occurred and the indoor fan repeats 12 second ON and 30 second OFF 3 times and then stop...

Страница 23: ...and the indoor fan motor Replace the indoor electronic control P C board Measure the resistance of the vane motor coil Refer to 10 5 Short circuit Replace the vane motor and the indoor electronic control P C board 1 The fan motor connector s lead wire is red whereas is black 2 Connect of the tester to fan motor connector s lead wire and to lead wire otherwise the resistance cannot be measured prop...

Страница 24: ...D is turned on Af ter 3 minutes LED will blink 6 times whether the inverter P C board in the outdoor unit is normal or not No Replace the inverter P C board in the outdoor unit 2 Yes A 2 Be careful of 140 V DC 280 V DC residual charge in the capacitor on the main inverter circuit B Turn OFF the power supply Make sure again that the indoor outdoor connecting wire is correctly connected With the ind...

Страница 25: ... field strength or the installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 L...

Страница 26: ...3 6 V DC 15 V DC GND High voltage DC 325 V DC 0 or 15 V DC Indoor terminal block connecting TAB2 Timer short mode point Refer to 8 1 Room temperature thermistor RT11 CN111 Connector to Indoor coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to indoor power P C board CN10A 12V DC 5V DC To disable Auto restart function cut the Jumper wire to JR77 Refer to 8 3 Emergency operation switch E O...

Страница 27: ...anism The terminal without locking mechanism can be detached by pulling it out Check the shape of the terminal before detaching 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector shown below has the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Lo...

Страница 28: ...rical cover and remove the electrical cover 10 Disconnect the CN211 Indoor fan motor from the indoor power P C board 11 Remove the upper catch of the electrical box and pull out the electrical box To attach the electrical box pass the wires connecting the indoor power P C board and the indoor electronic control P C board through A Pass the lead wires of the fan motor through B as shown in the Phot...

Страница 29: ...ck side of the control P C board holder 5 Unhook the catches of the control P C board holder and open the control P C board holder 6 Remove the indoor electronic control P C board from the control P C board holder 4 Removing the vane motor 1 Remove the panel Refer to section 1 Remove the corner box 2 Remove the control P C board holder water cover and the electrical box Refer to section 2 3 Pull o...

Страница 30: ...otor band and remove the motor band Pull out the indoor fan motor 8 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it 9 Remove the screws fixing the left side and upper right side of the heat exchanger 10 Lift the heat exchanger and pull out the line flow fan to the lower left When attaching the line flow fan scre...

Страница 31: ...ked position Do not pull the lead wire when removing the indoor coil thermistor Holder shape Clip shape When fixing the indoor coil thermistor to the clip shape holder shape part the lead wire should point down 1 Set the indoor coil thermistor in the center of the clip shape part 2 Check the marked mounting position 3 Mount the clip shape part Position and procedure for mounting the clip shape par...

Страница 32: ...ICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2018 MITSUBISHI ELECTRIC CORPORATION Published Oct 2018 No OBH816 Made in Japan Specifications are subject to change without notice ...

Отзывы: