Midea MFE-60AMN1-RB4W Скачать руководство пользователя страница 51

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Yes

Measure Vs, is it moving alternately
between positive value and negative
value?
(Vs is the voltage between S and N of
outdoor unit.)

Yes

Power off, then turn on the unit 5 seconds
later(reconnect the power wire).Is the error
still displaying after several minutes?

Yes

Change the outdoor main PCB.

Power on. Is the error extinguished?

Check  all  the  wirings  between  indoor  and
outdoor,  indoor  PCB  and  outdoor  PCB
following  the  wiring  diagram.  Are  all  the
wirings connected correctly?

Change the indoor main PCB.

Yes

Change the outdoor main PCB.

Is the wiring to the outdoor PCB
connected correctly?

Power on. Is the error extinguished?

Change the indoor main PCB.

Is the wiring to the indoor PCB
connected correctly?

Содержание MFE-60AMN1-RB4W

Страница 1: ...ARN1 RB4W MFE 60AMN1 RB4W Code Factory model Model Power supply 2T0043800005 CE KFR160LW SDN1Y E B4 MFE 60AMN1 RB4W 3Ph 380 420V 50Hz 2T0043800026 CE KFR160LW SDN1Y E B4 W J MFE 60ARN1 RB4W 3Ph 380 42...

Страница 2: ...diagram 5 4 Wiring diagram 6 4 1MFE 60AMN1 RB4W 6 4 2MFE 60ARN1 RB4W 2T0043800026 7 4 3MFE 60ARN1 RB4W 2T0043800036 8 5 Installation details 9 5 1 Installation place 9 5 2 Installing 10 5 3 Refrigera...

Страница 3: ...function 32 8 1Main data introduction 32 8 2Main Protection 32 8 3Operation modes and functions 33 8 4Other functions 40 9 Trouble shooting 40 9 1Self diagnosis 40 9 2LEDs for the indication of outdo...

Страница 4: ...use flammable gas or combustible near the product When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on If strange sounds or small or smoke comes from...

Страница 5: ...oft cloth to clean Do not use harsh detergents solvents etc Do not touch the metal parts of the product when removing the air filter They are very sh arp Do not step on pr put anything on the product...

Страница 6: ...3 2 Dimension 2 1 Indoor Unit Dimension Mode W mm D mm H mm 55K 600 358 1900...

Страница 7: ...Outdoor Unit Dimension Model W mm D mm H mm W1 mm A mm B mm MOI 60H RB4W 940 360 1245 1020 602 380 MOU 60HN1 RB4W 2T0043800026 900 350 1170 985 590 378 MOU 60HN1 RB4W 2T0043800036 938 633 5 404 448 37...

Страница 8: ...switch High pressure switch CHECK VALVE Heating Model only CAPILIARY TUBE For MOI 60H RB4W there is no low pressure switch MOU 60HN1 RB4W 2T0043800026 LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEA...

Страница 9: ...6 4 Wiring diagram 4 1MFE 60AMN1 RB4W Indoor Unit Outdoor Unit...

Страница 10: ...7 4 2MFE 60ARN1 RB4W 2T0043800026 Indoor Unit Outdoor Unit...

Страница 11: ...8 4 3MFE 60ARN1 RB4W 2T0043800036 Indoor Unit Outdoor Unit...

Страница 12: ...air circulation and to allow maintenance work and the connections of electrical and refrigerant circuit lines It may be installed on a floor or flat roof or wall mounted provided its weight is proper...

Страница 13: ...ll of machine oil 2 A saline place such as coast 3 Hot spring resort 4 A place full of sulfide gas 5 A place where there are high frequency machines such as wireless installation welding machine medic...

Страница 14: ...ng the pipes wires Pull down the two knobs marked PULL on the grid take off the two straps then the air inlet grid goes free 3 Take the Pipe Clip off before connecting the pipes and wiring fit it when...

Страница 15: ...ntralized 3 Do not make the angle of inclination more than 45 degrees while shipping Avoid horizontal storage 4 Be sure the electric insulation work is well done if installed on metal ceiling wall 5 F...

Страница 16: ...Product Data Plate If you have to use longer pipe for every meter plus pipe the refrigerant should be added according to the following calculation Capacity Btu h Pipe size Standard length m Max Eleva...

Страница 17: ...ir through the maintenance port on the low pressure valve closed It will take about ten seconds Then screw tightly the maintenance port When supplement the refrigerant fill through the maintenance por...

Страница 18: ...both the indoor and outdoor unit let th e air exhaust out from the maintenance gap on he low pressure cut off valves of the outdoor unit Screw the nuts tightly on the maintenance gap after the air ha...

Страница 19: ...refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor units and the pipes between indoor and outdoor units must...

Страница 20: ...1Mpa If the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please check if there are some le...

Страница 21: ...are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve 3 Air purging Open the valves on the charging cylinder and the charge set Purge t...

Страница 22: ...torque 18N m Be sure to check the gas leakage 3 Adding the refrigerant if the pipe length 5m Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Conne...

Страница 23: ...ediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure...

Страница 24: ...rge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconnect the charge hose from the 3 way valve s serv...

Страница 25: ...e charge hose for 5 seconds and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 6 Set t...

Страница 26: ...re connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until t...

Страница 27: ...s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1Mpa 4 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gaug...

Страница 28: ...alve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record th...

Страница 29: ...pipe is connected to the outdoor side downward 2 The hard polyvinyl chloride PVC plastic pipe external diameter 26 mm sold is the market is suitable for the attached soft drain pipe 3 Please connect t...

Страница 30: ...ce between the socket of the electric system and the grounded line when detected by a 500 V million ohmmeter is at least 2 million ohms If the resistance is less than the number please do not use the...

Страница 31: ...he conditioned air go out from it Control Panel inserted Consists of indicators and control buttons Air Inlet Where a filter is settled absorbing the air in the room and clean it Drain Pipe From which...

Страница 32: ...for cooling and heating only normal heating operation 17 30 Dry dehumidify the room air and keep the indoor temperature 17 30 Fan fan only no cooling Temp adjusting buttons warm push this button to r...

Страница 33: ...el the timer setting Test Running button Push this button to make the unit run for an hour of test this function is specially designed for maintenance technicians 6 3 LED A Operation modes B Timer set...

Страница 34: ...tside of the above conditions certain safety protection features may come into operation and cause the unit to function abnormally 2 Room relative humidity less than 80 If the air conditioner operates...

Страница 35: ...unning if the current is over twice of the rated for 3 seconds the compressor will stop and an error code will be displayed on the outdoor PCB If the current becomes normal for 3 minutes the indoor se...

Страница 36: ...low the below rules Fan below When compressor is on the outdoor fan runs all the time Fan above 18 T4 Off On 16 The others modes When compressor is on outdoor fan will follow the below rules When T4 1...

Страница 37: ...turn on whether or not the heating mode the temperature was detected start to statistical time when reach the temperature condition Shut down or defrosting calculate time again 2 Accumulated time whe...

Страница 38: ...d compressor is on reaches up to over 90 minutes Shut down or defrosting or T3 is over 15 C calculate time again Defrosting Action Four way valve indoor fan outdoor fan are shut down Compressor keeps...

Страница 39: ...0AMN1 RB4W 60 56 54 MFE 60ARN1 RB4W 2T0043800026 60 56 54 MFE 60ARN1 RB4W 2T0043800036 62 56 50 8 3 3 Cooling mode 8 3 3 1 Conditions for the compressor and outdoor fan action MFE 60ARN1 RB4W 2T004380...

Страница 40: ...er cooling mode MFE 60ARN1 RB4W 2T0043800036 5 0 4 0 High Low 2 0 Medium 3 0 The others modes 8 3 3 3 Low evaporator coil temperature T2 protection MFE 60ARN1 RB4W 2T0043800036 AC will enter T2 protec...

Страница 41: ...start up Condition 3 T2CoolExit T2 On Off T2CoolIn 4 When the evaporator coil temp T2 keeps lower than T2CoolIn 4 for 8 minutes the compressor and outdoor fan will shut off When T2 is higher than T2Co...

Страница 42: ...oose mode according to T1 Ts If the setting temperature is modified the machine will choose running function again The others models 8 3 5 1 Under auto mode the indoor fan is set to be auto 8 3 5 2 Wh...

Страница 43: ...B4W 2T0043800036 Codes Contents P4 Protection of temperature of indoor evaporator P5 Protection of temperature of outdoor condenser P7 Compressor discharge temperature protection P9 Protection of anti...

Страница 44: ...36 Type Contents LED2 green LED3 yellow LED4 red Normal Normal running Light Off Off Normal Normal standby Off Light Off Trouble Phase sequence Off Flash Off Trouble Lack of phase Off Off Flash Troubl...

Страница 45: ...or service please review the following list of common problems and solutions Problem Possible Cause Solutions Unit Idleness No electric power supply Wait for power recovery Power Switch turned off Tur...

Страница 46: ...ature sensor Check the connections between temperature sensor and PCB Are the connections good Correct the connections No Yes Yes Replace indoor or outdoor PCB Replace the sensor Check the resistance...

Страница 47: ...rmal Possible reason 1 Air or other gas in the refrigerant 2 Heat exchanger is dirty 3 Outdoor fan or fan blade is defective 4 Outdoor unit is bad ventilation 5 Refrigerant is leakage 6 Outdoor PCB is...

Страница 48: ...ent temp is low 2 The wires are loose to the temp sensor 3 The temp sensor is defective 4 The evaporator or the filter is dirty 5 System has block Low pressure protection Possible reason 1 The wires a...

Страница 49: ...46 9 3 8 Overload of current...

Страница 50: ...47 9 3 9 Indoor outdoor unit communication error...

Страница 51: ...al minutes No Yes Change the outdoor main PCB Power on Is the error extinguished Check all the wirings between indoor and outdoor indoor PCB and outdoor PCB following the wiring diagram Are all the wi...

Страница 52: ...lem 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 displaying t...

Страница 53: ...es it rotate properly The unit operates normally Find out the cause and have it solved For example check whether the fan is blocked or the bearing is broken Check the wires of fan motor Are all the co...

Страница 54: ...other the fan motor must has problems and need to be replaced Otherwise go to step 2 2 Power on and when the unit is in standby measure the voltage of pin4 5 in feedback signal connector If the value...

Страница 55: ...ssor discharge temp sensor and PCB according to wiring diagrams Method Check whether the resistance of compressor discharge temp sensor is right refer to the Appendix 2 No Yes Yes Trouble is solved No...

Страница 56: ...0060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4 9639...

Страница 57: ...5 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29 15 80 6 859 120 2 117 1 1...

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