MDV MDOF-07HN1 Скачать руководство пользователя страница 36 | Manualshive

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9.2.6 Indoor / outdoor units communication error diagnosis and solution

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Содержание MDOF-07HN1

Страница 1: ...FAIRWIND ON OFF SERIES Service Manual 2014...

Страница 2: ...3 Pipe length and the elevation 41 6 4 Installation for the first time 44 6 5 Adding the refrigerant after running the system for many years 48 6 6 Re installation while the indoor unit need to be rep...

Страница 3: ...ble or repair the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is ris...

Страница 4: ...plug during operation There is risk of fire or electric shock Do not touch operation the product with wet hands Do not place a heater or other appliance near the power cable There is risk of fire and...

Страница 5: ...r supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Take care to ensure that nobody could step on or fall onto the outdoor unit This could result i...

Страница 6: ...r units Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction o...

Страница 7: ...29 Dimension W D H mm 715x188x250 715x188x250 Packing W D H mm 775x260x324 775x260x324 Net Gross weight Kg 6 5 8 5 6 5 8 5 Model YDK24 6F B YDK24 6T B Brand Welling Welling Input W 63 70 Capacitor uF...

Страница 8: ...on W D H mm 800x188x275 940x205x275 Packing W D H mm 865x265x350 1015x265x350 Net Gross weight Kg 8 10 10 12 5 Model YDK36 6 YDK48 6H A Brand Welling Welling Input W 70 110 Capacitor uF 2 5 3 0 Speed...

Страница 9: ...H mm 1135x395x315 Net Gross weight Kg 12 15 Model YDK53 6C Brand Welling Input W 136 Capacitor uF 3 0 Speed r min 800 a Number of rows 2 b Tube pitch a x row pitch b mm 21x13 37 c Fin spacing mm 1 4...

Страница 10: ...acking W D H mm 1135x395x315 Net Gross weight Kg 13 1 16 3 Model YDK100 6D Input W 167 2 Capacitor uF 5 0 Speed r min 900 a Number of rows 2 b Tube pitch a x row pitch b mm 22x19 05 c Fin spacing mm 1...

Страница 11: ...MDSF 28HRN1 1045 235 315 MDSF 24HRN1 1045 235 315 MDSF 18HRN1 940 205 275 MDSF 12HRN1 800 188 275 MDSF 09HRN1 715 188 250 MDSF 07HRN1 715 188 250 3 Dimension 3 1 Indoor Unit W D H Model W D H...

Страница 12: ...MDSF 28HRN1 MDSF 24HRN1 MDSF 18HRN1 MDSF 12HRN1 MSDF 09HRN1 MSDF 07HRN1 Model L mm R mm H mm Dimension of installation hole mm 85 88 45 65 100 95 45 110 100 45 293 163 45 293 163 45...

Страница 13: ...823 530 290 MDOF 12HN1 780 250 540 843 549 276 MDOF 09HN1 700 240 540 757 458 250 MDOF 07HN1 700 240 540 757 458 250 3 2 Outdoor Unit More than 30cm More than 60cm More than 200cm More than 30cm More...

Страница 14: ...heat pump models LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor ACC...

Страница 15: ...IN BOARD 2 1 1 2 3 4 1 2 3 4 2 4 2 1 2 1 2 1 2 1 CN9 PLASAM 2 1 2 1 CN_L1 or CNL M Y G 2 WHITE CN_N1 or CNN CN_S FAN CAPACITOR BOARD PC1_1 PC2_1 1 2 3 4 5 SWING MOTOR M 5 1 2 3 4 5 CN10 Thissymbol ind...

Страница 16: ...MDSF 07HRN1 v MDSF 09HRN1 v MDSF 12HRN1 v MDSF 18HRN1 v 5 1 Indoor Unit 5 2 Outdoor Unit MDOF 18HN1 MDOF 07HN1 MDOF 09HN1 MDOF 12HN1...

Страница 17: ...N2 CN5 CN6 CN11 RED RED RED RED C S R BLACK CN10 CN9 CN8 CN1 RED BLACK XT1 1 N L S 2 N O INDOOR UNIT POWER SUPPLY CODE UNIT1 COMP CAP1 CAP2 FAN2 XT1 XT2 XT3 XP1 XS1 RT3 KM1 CT TRANS1 CN1 CN11 PARTNAME...

Страница 18: ...SOR BLACK BLUE BLUE XT3 C L H DEFROSTING RED GRAY THERMOSTAT FUSE RED HEATER RED GRAY RED CN5 BLACK MDOF 28HN1 v XT2 CURRENTINDUCTOR TRANSFORMER COMPRESSOR CAP1 1 2 M OUTDOOR FAN REVERSING VALVE AC CO...

Страница 19: ...4 6500 663kgf cm 6700 683kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectiona...

Страница 20: ...Pipe size Standard length m Max Elevation B m Max Length A m Additional refrigerant g m Gas Liquid 3 8 9 52 1 4 6 35 5 8 20 20 3 8 9 52 1 4 6 35 5 8 20 20 1 2 12 7 1 4 6 35 5 8 20 20 1 2 12 7 1 4 6 3...

Страница 21: ...ates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 The opt...

Страница 22: ...6 13ms 8 3 4 Fan Speed is out of control When Indoor Fan Speed is too low lower than 300RPM lasting 2 minutes the unit stops and LED displays failure information and can t returns to normal operation...

Страница 23: ...e the compressor starts up it will run 5 5 minutes And then it will follow the below rules When indoor room temp T1 is lower than Tn the compressor and outdoor fan will shut off When T1 is higher than...

Страница 24: ...an TE5 for 5 minutes the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will restart up 8 4 3 Heating Mode 8 4 3 1 Compressor running rules Once the...

Страница 25: ...l enter the defrosting mode if all of the following items 1 1 1 2 1 3 or 1 1 1 2 1 4 are satisfied T T if the indoor fan low speed T T 3 if the indoor fan medium speed T T 5 if the indoor fan high spe...

Страница 26: ...ous running time is over 8 minutes 2 3 The indoor fan is off In this case the defrosting time is ten minutes 3 AC will enter the defrosting mode if all of the following items are satisfied 3 1 After A...

Страница 27: ...T3 TC1 and the compressor keeps running over 45 minutes Meanwhile T3 TC3 for 2 After the last defrosting the time that the outdoor fan is off but the compressor is on in high T2 protection cumulates...

Страница 28: ...ff it will run in auto mode when the timer on function is active 3 After setting the mode AC will run in auto mode if the compressor keeps not running for 20 minutes 8 4 5 Drying mode 8 4 5 1 The comp...

Страница 29: ...ing on time 8 4 7 6 The timer function will not change the AC current operation mode Suppose AC is off now it will not start up firstly after setting the timer off function And when reaching the setti...

Страница 30: ...starts 8 4 10 Refrigerant Leakage Detection With this new technology the display area will show EC when the outdoor unit detects refrigerant leakage 8 4 11 Louver Position Memory Function When startin...

Страница 31: ...pt 3 times X E3 Indoor fan speed has been out of control 5 times X E5 Indoor room temperature sensor T1 open circuit or short circuit 6 times X E6 Evaporator coil temperature sensor T2 open circuit or...

Страница 32: ...9 2 Diagnosis and Solution 9 2 1 EEPROM parameter error diagnosis and solution EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage...

Страница 33: ...9 2 2 Zero crossing detection error diagnosis and solution 9 2 3 Indoor fan speed has been out of control diagnosis and solution...

Страница 34: ...1 Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 2...

Страница 35: ...s the problem remain again No Is there any leakage Especially the connection parts such as the gas valve and the liquid valve No Shut off the power supply and turn it on 5 seconds later Is it still di...

Страница 36: ...9 2 6 Indoor outdoor units communication error diagnosis and solution...

Страница 37: ...Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter Table1 Some frequently used R T data for T1 T2 T3 and T4 sensor Temperature 5 10 15 20 25 30...

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