Samsung MH050FX*A2 series Instruction Manual Download Page 1 | Manualshive

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Summary of Contents for MH050FX*A2 series

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Page 2: ...rreinstalltheunit Ifperformedbyunauthorizedpersonnel theseoperationsmay causeelectricshocksorfires Donotplacecontainerswithliquidsorotherobjectsontheunit Allthematerialsusedforthemanufactureandpackagingoftheairconditionerarerecyclable Thepackingmaterialandexhaustbatteriesoftheremotecontrol optional mustbedisposedofinaccordancewithcurrentlaws Theairconditionercontainsarefrigerantthathastobedisposed...

Page 3: ...GTHE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit 11 Transmitter Installation Optional 14 Checking Correct Earthing 16 Fixing the Unit in Position 16 COMPLETINGTHE INSTALLATION Connecting Up and Purging the Circuit 17 Adding Refrigerant 18 Performing Leak Tests 19 Pipe Installation with Indoor Units 20 Switch Setting and Testing Operation 21 Pipe Checking Operation Auto Addressing Mode 2...

Page 4: ...sary noise and vibration Position the outdoor unit so that the air flow is directed towards the outside as indicated by the arrows on the top of the unit Maintain sufficient clearance around the outdoor unit as indicated in the diagram on the page opposite Make sure that the water dripping from the drain hose runs away correctly and safely You have just purchased a Free Joint Multi air conditioner...

Page 5: ...9 2ft 24 6ft Composition A B A B H h Piping length and the height Main power switch 7 86 inch or more 6 29 inch or more 3 93 inch or more 11 8 inch minimum 11 8 inch minimum 23 6 inch minimum CAUTION 9 84ft as minimum pipe length It will reduce noise and vibration This value must be increased at 24 6 ft in case it is connected just one indoor unit System can work with one indoor unit connected but...

Page 6: ...h Piping length and the height C D 7 86 inch or more 6 29 inch or more 3 93 inch or more Main power switch 23 6 inch minimum 11 8 inch minimum 11 8 inch minimum 23 6 inch minimum CAUTION 9 84 ft as minimum pipe length It will reduce noise and vibration This value must be increased at 24 6 ft in case it is connected just one indoor unit System can work with one indoor unit connected but it is recom...

Page 7: ...e outdoor unit are blocked by the wall 59 06 or more 78 74 or more The upper part of the outdoor unit and the air outlet is towards the wall 19 69 or more 11 81 or more The upper part of the outdoor unit and the air outlet is opposite the wall 59 06 or more 11 81 or more When front and rear side of the outdoor unit is towards the wall Unit inch Wheninstalling1outdoorunit Space Requirements for Out...

Page 8: ...11 81 or more 59 06 or more 23 62 or more 23 62 or more 23 62 or more When 3 sides of the outdoor unit are blocked by the wall When front and rear side of the outdoor unit is towards the wall When front and rear side of the outdoor unit is towards the wall When installing more than 1 outdoor unit 11 81 or more 11 81 or more 19 69 or more 19 69 or more The upper part of the outdoor unit and the air...

Page 9: ...8 Installation Manual The 3 wire power cable and the 2 wire assembly cable are optional If these cables are not supplied use the standard cable approved by IEC standard Please check Connecting the Cables to the Outdoor Unit section InstallingandConnectingtheDrainHoseoftheOutdoorUnit While heating ice may accumulate During the process of defrosting check if condensation draining is adequate For ade...

Page 10: ... to be connected and tighten the flare nuts first manually and then with a torque wrench applying the following torque 6 Check that the flaring is correct referring to the illustrations below for examples of incorrect flaring 5 If you wish to shorten the piping cut it using a pipe cutter taking care to ensure that the cut edge remains at a 90 angle with the side of the pipe and referring to the il...

Page 11: ... to the model 1 L 2 N 1 L 2 N 1 L 2 N F1 F2 1 L 2 N F1 F2 F1 F2 F1 F2 L N F1 F2 F1 F2 1 2 2 1 1 2 F1 F2 F1 F2 1 2 1 2 B C B C A MH050FX A2 A unit B unit Indoor unit Assembly cable Earth terminal Outdoor unit Main Power supply cable Power cable to indoor units Communication cable to indoor units CableType A CableType B CableType C The specification for cables Earth terminal Earth terminal Earth ter...

Page 12: ...rminal Earth terminal Earth terminal Power cable to indoor units Earth terminal Main Power supply cable Communication cable to indoor units CableType A CableType B CableType C The specification for cables Connect the power cable to the auxiliary circuit breaker If every pole fails to connect to the power supply it must be incorporated in a wire with a contact opening of 0 12 inch Model Main Power ...

Page 13: ... 3 54 Power cable to indoor units L inch Cable of indoor unit Remark A 2 36 2 36 3 15 B 2 36 2 36 3 15 C 2 76 2 76 4 33 For 080 only D 3 54 3 54 3 54 For 080 only Communication cable to indoor units L inch Cable of indoor unit Remark A 0 59 0 59 B C For 080 only D For 080 only 1 2 E 1 2 E The designs and shape are subject to change according to the model 1 2 L inch ...

Page 14: ...e outdoor unit then connect the power and the communication cable between the transmitter and the outdoor unit refer to the figure of page 15 3 If you install a transmitter to an outdoor unit every indoor unit which is connected to an outdoor unit can be controlled simultaneously 4 Each outdoor unit connected to the same centralized controller has its own transmitter Fix the case with bolts Contro...

Page 15: ... 2 housings on the communication cable Transmittercommunication cable Accessoryinthe transmitter Terminal Block in the outdoor unit TerminalBlockintheoutdoorunit MH080FX A4 MH050FX A2 The designs and shape are subject to change according to the model K1 K2 K3 K4 Change DIPswitch K2 in all indoor units PCB K2 ON OFF INSTALLING THE OUTDOOR UNIT Blue MH050FX A2 MH080FX A4 ...

Page 16: ...lectrode and its cable 2 The earthing wire for the telephone line cannot be used to earth the air conditioner If the earthing electrode is installed in an area of heavy traffic its wire must be connected securely Checking Correct Earthing The outdoor unit must be installed on a rigid and stable base to avoid any increase in the noise level and vibration particularly if the outdoor unit is to be in...

Page 17: ...er about 10 minutes This procedure is very important in order to avoid gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge 5 Set valve cork of both liquid side and gas side of packed valve to the open position 6 Mount the valve stem nuts and the service port cap to the valve and tighten them at the torque of 13 2 ft lb with a torque wrench 7 Check for gas l...

Page 18: ...auge show 0 1MPa 76cmHg after about 30 minutes This procedure is very important in order to avoid gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge 5 Set valve cork of both liquid side and gas side of packed valve to the open position 6 Mount the valve stem nuts and the service port cap to the valve and tighten them at the torque of 13 2 ft lb with a torq...

Page 19: ... WITH R 410A after opening valves Before opening valves discharge all the nitrogen into the system and create vacuum according to page 23 24 After opening valves check leaks using a leak detector for refrigerant PUMP DOWN before disconnecing t the refrigerant connections for unit repair removal or disposal Pump down is an operation intended to collect all the system refrigerant in the outdoor unit...

Page 20: ...as A B C D MH052F CA Install pipes between indoor and outdoor units orderly as D Examples 2Rooms MH035FNCA MH052FNCA A B C D MH035FNCA MH052FNCA o A B C D MH035FNCA MH052FNCA x A B C D MH035FNCA MH052FNCA x 3Rooms MH026FNCA MH026FNCA MH052FNCA A B C D MH026FNCA MH026FNCA MH052FNCA o A B C D MH026FNCA MH026FNCA MH052FNCA x Aunit Bunit Cunit Dunit COMPLETING THE INSTALLATION OUTDOOR UNIT ...

Page 21: ...oor unit A 01 communication with indoor unit B 02 communication with indoor unit C 03 communication with indoor unit D To complete the installation perform the following checks and tests to ensure that the air conditioner is operating correctly COMPLETING THE INSTALLATION In case of Manual address mode you can do pipe check operation for check whether you connect the pipes correctly or not But you...

Page 22: ...SwitchSettingandTestingOperation Cont COMPLETING THE INSTALLATION TYPE PICTURE MODEL TO SET ADDRESSING MANUALLY BY ROTARY SWITCH SW02 RAC MH026FNCA MH035FNCA MH052FNCA SLIM DUCT MH026FECA MH035FECA MH052FECA ...

Page 23: ...ode try run or heat mode try run Cool mode try run Push the K2 button three times Heat mode try run Push the K2 button once After 12 minutes of stationary condition check each indoor unit air treatment Cooling mode indoor unit check Inlet air temp Outlet air temp From 10 K to 12 K indicative delta T Heating mode indoor unit check Outlet air temp Inlet air temp From 11 K to 14 K indicative delta T ...

Page 24: ...on the PCB of outdoor unit Contact the authorized service technician or dealer for setting and changing the Ampere Limit Switch Before changing the Ampere Limit Switch turn off the main power of the system K 1 K 2 K 3 DIS01 SW02 SW01 K 4 DIS02 The designs and shape are subject to change according to the model Outdoor PCB Display Ampere Switch Selection MH050FX A2 MH080FX A4 Switch 3 4 13 5A Defaul...

Page 25: ...or ServiceTechnician Outdoor PCB Display Switch Indoorunit address View data display K4View mode Display changes Push Display Explanation Push Display Explanation 0 Present Compressor Frequency 8 Discharge temperature 1 Target Compressor Frequency 9 OLP temperature 2 Order Compressor Frequency 10 Condenser temperature 3 EEV0 current step 11 Outdoor temperature 4 EEV1 current step 12 First current ...

Page 26: ...pleteing pipe check operation it shows on the display PCB The left display DIS01 will show sequentially the following message 00 Estabilished communication with indoor unit A 01 Estabilished communication with indoor unit B 02 Estabilished communication with indoor unit C 03 Estabilished communication with indoor unit D 00 Estabilished communication with indoor unit A Function of Step 3 Mode Funct...

Page 27: ...of pipe check operation Check piping connection and setting No pipe check operation check occasion try to operation after the installation through auto addressing mode without pipe check operation Check setting The number of Indoor unit mismatched Check electrical connection and setting Communication error between the outdoor and indoor unit Check electrical connection and setting Outdoor communic...

Page 28: ...ge and service port Outdoor unit overload Safety control Compressor stop check pipe lenght refrigerant leakage charge Outdoor unit high discharge temperature Safety control Compressor stop check pipe lenght refrigerant leakage charge Outdoor unit EEV open Stopped indoor unit s Self diagnosis Outdoor unit EEV open operating indoor unit s Self diagnosis High temperature over 86 F of outdoor as heati...

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Page 31: ...ENGLISH FreeJointMultiAirConditioner Cooling and Heating INSTALLATION MANUAL Free Joint MH050FX A2 MH080FX A4 DB98 29164A 1 S E F ENGLISH ESPAÑOL FRANÇAIS ...

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