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Samsung AC MXAD Series, Installation Manual

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Samsung AC MXAD Series Installation Manual Download Page 2

2

English

Contents

Safety Information  

3

General information 

3

Installing the unit 

4

Power supply line, fuse or circuit breaker 

4

Installation Procedure 

5

Step 1  Choosing the installation location 

5

Step 2  Fixing the outdoor unit in place 

8

Step 3  Connecting the power cables, communication cable, and controllers 

9

Step 4  Optional: Extending the power cable 

14

Step 5  Connecting the refrigerant pipe 

16

Step 6  Optional: Cutting and flaring the pipes 

17

Step 7  Installing oil traps 

18

Step 8  Connecting up and removing air in the circuit 

18

Step 9  Adding refrigerant (R-410A) 

19

Step 10  Performing the gas leak test 

22

Step 11  Connecting the drain hose to the outdoor unit 

23

Step 12  Insulating the refrigerant pipes 

23

Step 13  Checking the earthing 

24

Step 14  Performing final check and trial operation  

25

Extra procedures 

28

Pumping down refrigerant 

28

Relocating the indoor and outdoor units 

28

Using the stop valve 

29

Appendix 

30

Troubleshooting 

30

Summary of Contents for AC MXAD Series

Page 1: ...Air conditioner Installation manual AC777MXAD7H Thank you for purchasing this Samsung air conditioner Before operating this unit please read this manual carefully and retain it for future reference ...

Page 2: ...ing the refrigerant pipe 16 Step 6 Optional Cutting and flaring the pipes 17 Step 7 Installing oil traps 18 Step 8 Connecting up and removing air in the circuit 18 Step 9 Adding refrigerant R 410A 19 Step 10 Performing the gas leak test 22 Step 11 Connecting the drain hose to the outdoor unit 23 Step 12 Insulating the refrigerant pipes 23 Step 13 Checking the earthing 24 Step 14 Performing final c...

Page 3: ...rom unauthorized changes or the improper connection of electric and requirements set forth in the Operating limits table included in the manual shall immediately invalidate the warranty The air conditioner should be used only for the applications for which it has been designed the indoor unit is not suitable to be installed in areas used for laundry Do not use the units if damaged If problems occu...

Page 4: ... maintenance operations to be carried out The unit s components should be accessible and easy to disassemble without endangering people and objects For this reason when provisions of the installation manual are not complied with the cost required to access and repair the units in SAFETY CONDITIONS as set out in prevailing regulations with harnesses ladders scaffolding or any other elevation system...

Page 5: ...s product is not provided by Samsung Indoor Unit Install the unit at a height where its base can be firmly fixed in place Make sure that the water dripping from the drain hose runs away correctly and safely CAUTION You have just purchased a system air conditioner and it has been installed by your installation specialist This device must be installed according to the national electrical rules If yo...

Page 6: ... the outdoor unit and apply a corrosion inhibitor on it At least once in a year Outdoor unit dimensions A Type AC036MXADKH 998 977 537 528 620 940 330 384 360 675 B Type AC048MXADKH 620 330 384 360 1210 1185 940 567 558 675 C Type AC054MXADKH 620 330 384 360 1420 1412 940 567 558 1107 Minimum clearances for the outdoor unit When installing 1 outdoor unit Unit mm 300 or more 1500 or more 300 or mor...

Page 7: ...reachable and removable under safe conditions for people and the unit WARNING Should adopt bar type louver Don t use a type of rain resistance louver Bar type louver Rain resistance louver Louver specifications Angle criteria less than 20 Opening ratio criteria greater than 80 Moving the outdoor unit with wire rope 1 Before carrying the outdoor unit fasten two wire ropes of 8 m or longer as shown ...

Page 8: ...nstalling the outdoor unit on the roof waterproof the unit and check the ceiling strength Make sure that the wall can support the weights of the rack and the outdoor unit Install the rack close to the column as much as possible Optional Fixing the outdoor unit to a wall with a rack Soft rubber designed to cut off vibration from rack to wall not supplied with product Designed to cut off residual vi...

Page 9: ...nstalled first disconnect the electrical cables and then the refrigerant connections Connect the air conditioner to the earthing system before making the electrical connections NOTE Especially if your outdoor unit is the one designed for Russian and European markets consult the supply authority if necessary to estimate and reduce the supply system impedance before installation Air conditioning sys...

Page 10: ...e power is unbalanced greatly it may shorten the life of the condenser If the unbalanced power is exceeded over 4 of supply rating the indoor unit is protected stopped and the error mode indicates To protect the product from water and possible shock you should keep the power cable and the connection cord of the indoor and outdoor units within ducts with appropriate IP rating and material selection...

Page 11: ...XADKH 50 60 220 240 198 264 32 32 1 5 33 5 33 5 40 AC048MN4DKH 50 60 220 240 198 264 32 32 1 0 33 0 33 0 40 AC048MNCDKH 50 60 220 240 198 264 32 32 2 0 34 0 34 0 40 AC048MNMDKH 50 60 220 240 198 264 32 32 2 5 34 5 34 5 40 AC054MN4DKH AC054MXADKH 50 60 220 240 198 264 32 32 1 0 33 0 33 0 40 AC054MNCDKH 50 60 220 240 198 264 32 32 2 0 34 0 34 0 40 AC054MNMDKH 50 60 220 240 198 264 32 32 2 7 34 7 34 ...

Page 12: ... and the communication cable 1 phase L N F1 F2 1 L 2 N L N F1 F2 Outdoor to indoor power cable For connecting the power and communication cables Main power cable Communication cable Cable tie Indoor Unit Outdoor Unit NOTE Lay the electrical wiring so that the front cover does not rise up when doing wiring work and attach the front cover securely Ground wire for the indoor unit and outdoor unit con...

Page 13: ... 5 14 50 8 4 0 4 0 1 8 70 8 24 0 4 17 5 0 5 0 4 13 3 0 4 18 5 20 51 8 4 0 4 0 2 0 Connect the rated cables only Connect using a driver which is able to apply the rated torque to the screws If the terminal is loose fire may occur caused by arc If the terminal is connected too firmly the terminal may be damaged Tightening torque kgf cm M4 12 0 to 18 0 M5 20 0 to 30 0 1 N m 10 kgf cm CAUTION When con...

Page 14: ...room or net work room use the double shielded tape aluminium polyester braid copper cable of FROHH2R type Step 4 Optional Extending the power cable 1 Prepare the following tools Tools Spec Shape Crimping pliers MH 14 Connection sleeve mm 20xØ6 5 HxOD Insulation tape Width 19 mm Contraction tube mm 70xØ8 0 LxOD 2 As shown in the figure peel off the shields from the rubber and wire of the power cabl...

Page 15: ...ith the insulation tape twice or more and position your contraction tube in the middle of the insulation tape Three or more layers of insulation are required Method 1 Method 2 Insulation tape 40 mm 35 mm Insulation tape 6 Apply heat to the contraction tube to contract it Contraction tube 7 After tube contraction work is completed wrap it with the insulation tape to finish Insulation tape CAUTION M...

Page 16: ...0 m 30 m Max height difference among indoor units h2 0 5 m 0 5 m Max Pipe length difference among indoor units after branch L2 L3 or L2 L4 or L2 L5 or a b or a L2 b L4 or a L3 b L5 5 m 5 m n means the number of indoor unit connection of DPM indoor indoor indoor outdoor outdoor outdoor indoor indoor indoor indoor indoor indoor indoor outdoor L1 L1 L2 L2 D D D D h2 h2 L3 L3 L4 L4 L5 L1 a b D L1 L2 L...

Page 17: ... care to ensure that the cut edge remains at a 90 angle with the side of the pipe Refer to the illustrations below for examples of edges cut correctly and incorrectly Pipe cutter Pipe 90 Oblique Rough Burr 90 3 To prevent any gas from leaking out remove all burrs at the cut edge of the pipe using a reamer 4 Slide a flare nut on to the pipe and modify the flare D A D 4 5 2 90 2 Pipe Flare Flare R 0...

Page 18: ...n recovering the refrigerant ground the compressor first before removing the connection pipe If the refrigerant pipe is not properly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high It may cause explosion and injury The air in the indoor unit and in the pipe must be evacuated If air rem...

Page 19: ...and deoxidized copper pipe Cu DHP type to ISO 1337 or UNI EN 12735 1 suitable for operating pressures of at least 4200 kPa and for a burst pressure of at least 20700 kPa Copper pipe for hydro sanitary applications is completely unsuitable For sizing and limits height difference line length max bends refrigerant charge etc see Connecting refrigerant pipe section Step 9 Adding refrigerant R 410A The...

Page 20: ...gle installation outdoor unit Model Interconnection pipe length m 0 30 30 40 40 50 50 60 60 70 70 75 AC036MXADKH 0 50 g m over 30 m AC048MXADKH AC054MXADKH 0 50 g m over 30 m DPM installation outdoor unit Model Diameter of L1 a b pipe Installation condition Amount of additional refrigerant charging AC036MXADKH Ø9 52 L1 Ln 1 50 m L1 a b 5 x 40 g L2 Ln 1 x 30 g If L1 a b 5 m L2 Ln 1 x 30 g AC048MXAD...

Page 21: ... 3 Indoor units connection 4 Indoor units connection MXJ 2D2509K MXJ 3D2509K MXJ 4D2509K Connecting communication line and wired remote controller In case of 2 indoor units connection F1 F2 F1 F2 F1 F2 L N L N L N Outdoor unit Remote control Indoor unit 1 Indoor unit 2 In case of 3 indoor units connection Outdoor unit Remote control F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 L N L N L N L N L N Indoor unit 1 I...

Page 22: ... and check A2 sign on 7 segment If there are three indoor units press K2 switch three times and check A3 sign on 7 segment If there are four indoor units press K2 switch four times and check A4 sign on 7 segment Press K1 switch to complete setting the number of the installed indoor unit Check AA sign on 7 segment Step 10 Performing the gas leak test LEAK TEST WITH NITROGEN before opening valves In...

Page 23: ...egion of heavy snow allow enough separation distance between the product and the ground Step 12 Insulating the refrigerant pipes Once you have checked that there are no leaks in the system you can insulate the piping and hose 1 To avoid condensation problems place an insulator around each refrigerant pipe No gap NBR NOTE When insulate the pipe be sure to overlap the insulation The insulation has t...

Page 24: ...ave a earthing or the earthing does not comply with specifications an earthing electrode must be installed The corresponding accessories are not supplied with the air conditioner 1 Select an earthing electrode that complies with the specifications given in the illustration 2 Connect the flexible hose to the flexible hose port In damp hard soil rather than loose sandy or gravel soil that has a high...

Page 25: ...door unit PCB to run the test mode and stop Key Push type Mode Display SEG 1 SEG 2 SEG 3 SEG 4 K1 Short 1st Heating test mode 2nd Defrost test mode 3rd Stop K2 Short 1st Cooling test 2nd Inverter check 3rd Pump down K3 Short 1st Reset Release Eco mode Defrost test mode Condition 1 The outdoor temperature is below 10 C Condition 2 All the temperature conditions should meet the defrost conditions K1...

Page 26: ... EEV B Hundreds digit Tens digit Units digit step 12 The capacity sum of indoor units C Tens digit Unit digit The first place of decimals kW 13 Protective control D 0 Cooling 1 Heating Protective control 0 No Protective control 1 Freezing 2 Non stop defrosting 3 Over load 4 Discharge 5 Total electric current Frequency status 0 Normal 1 Hold 2 Down 3 Up_limit 4 Down_limit 14 IPM temperature E Hundr...

Page 27: ...e Option mode when the air conditioner is running Set the address in SEG3 and SEG4 by pressing the K2 switch shortly Option SEG1 SEG2 SEG3 SEG4 Function Channel address 0 0 A U The address is setautomatically 00 to 15 The address is setmanually You can set avalue from 0 to 15 Press and hold the K2 switch for a while to save the address and exit the Option mode Each segment will flicker for 3 secon...

Page 28: ...rt provided 3 minutes have elapsed since the last stop 2 Release the valve caps on High and Low pressure side 3 Use L wrench to close the valve on the high pressure side 4 After approximately 2 minute close the valve on the low pressure side 5 Stop operation of the air conditioner by pressing the Power button on the indoor unit or remote control 6 Disconnect the pipes B liquid A Gas Relocating the...

Page 29: ... to 35 Over Ø19 05 35 to 40 1 N m 10 kgf cm NOTE Do not apply excessive force to the stop valve and always use special instruments Otherwise the stopping box can be damaged and the back sheet can leaks If the watertight sheet leaks turn the axis back by half tighten the stopping box then check the leakage again If there is no leakage any more tighten the axis entirely Closing the stop valve 1 Remo...

Page 30: ...Check electrical connection and setting between indoor unit and outdoor unit 10 E203 Communication error between the outdoor unit and main micom For PF 4 to 6 controllers error will be determined from the time when the compressor is turned on Check electrical connection and setting between outdoor unit MAIN PBA INVERTER PBA 11 E221 Error on outdoor temperature sensor Short or Open Check Outdoor se...

Page 31: ... Outdoor unit EEPROM Read Write error Option Check Outdoor EEPROM Data 33 E471 Outdoor unit EEPROM Read Write error H W Check Outdoor EEPROM PBA 34 E474 Error on IPM Heat Sink sensor of inverter 1 Short or Open Check Outdoor Inverter PBA 35 E475 Error on inverter fan 2 FAN2 ERROR 36 E483 Overvoltage of H W detect DC link Check AC Power 37 E484 PFC Overload Over current Error Check Outdoor Inverter...

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