Samsung AJ RCJ Series Installation Manual Download Page 1

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Air conditioner

Installation manual

AJ***RCJ*EG

•

Thank you for purchasing this Samsung air conditioner.

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Before operating this unit, please read this manual carefully and retain it for future

reference.

DB68-08144A-02

Summary of Contents for AJ RCJ Series

Page 1: ...onditioner Installation manual AJ RCJ EG Thank you for purchasing this Samsung air conditioner Before operating this unit please read this manual carefully and retain it for future reference DB68 08144A 02 ...

Page 2: ...g the outdoor unit in place 10 Step 4 Connecting the power cables communication cable and controllers 11 Step 5 Optional Extending the power cable 17 Step 6 Connecting the refrigerant pipe 19 Step 7 Optional Cutting and flaring the pipes 20 Step 8 Connecting up and removing air in the circuit 21 Step 9 Performing the gas leak test 22 Step10 Adding refrigerant R 32 23 Step11 Connecting the drain ho...

Page 3: ...t is not suitable to be installed in areas used for laundry Do not use the units if damaged If problems occur switch the unit off and disconnect it from the power supply In order to prevent electric shocks fires or injuries always stop the unit disable the protection switch and contact SAMSUNG s technical support if the unit produces smoke if the power cable is hot or damaged or if the unit is ver...

Page 4: ... regulations with harnesses ladders scaffolding or any other elevation system will NOT be considered part of the warranty and will be charged to the end customer While in installation or relocation of the product do not mix the refrigerant with other gases including air or unspecified refrigerant Failure to do so may cause pressure increase to result in rupture or injury Do not cut or burn the ref...

Page 5: ...ion sources free Make sure to store the units in a place without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater The service engineers shall not use any ignition sources with the risk of fire or explosion Potential ignition sources shall be kept away from the work area where the flammable refrigerant can possibly be release...

Page 6: ...efrigerant shall be labelled Cylinders shall be equipped with pressure relief valves and shut off valves in a proper order The recovery system shall operate normally according to the specified instructions and shall be suitable for refrigerant recovery In addition the calibration scales shall operate normally Hoses shall be equipped with leak free disconnect couplings Before starting the recovery ...

Page 7: ... in an open space that is always ventilated The local gas regulations shall be observed For installation inside a building this applies either to indoor or outdoor units installed inside a minimum room floor area of space conditioned is mandatory according to IEC 60335 2 40 2018 see the reference table into either the indoor or outdoor unit installation manual To handle purge and dispose the refri...

Page 8: ... at the seaside make sure that it is not directly exposed to sea breeze If you cannot find an adequate place free from direct sea breeze construct a protection wall or a protective fence Install the outdoor unit in a place such as near buildings etc where it can be prevented from sea breeze Failure to do so may cause a damage to the outdoor unit Sea breeze Sea breeze Sea Sea OutdoorUnit OutdoorUni...

Page 9: ...re 3000 or more 300 or more 600 or more 600 or more 1500 or more 300 or more 1500 or more 600 or more 600 or more 300 or more 600 or more 600 or more 600 or more 300 or more 300 or more 300 or more 500 or more 500 or more CAUTION The outdoor unit must be installed according to the specified distances in order to permit accessibility from each side to guarantee correct operation maintenance and rep...

Page 10: ...l the outdoor unit on a rigid and stable base to prevent disturbance from any noise caused byvibration When installing the unit at a height or in a location exposed to strong winds fix the unit securely to a support i e a wall or a ground 1 Position the outdoorunit so that the airflow is directed towards the outside as indicated by the arrows on the top of the unit 2 Attach the outdoor unit to the...

Page 11: ...utdoor unit The outdoor to indoor power cable between the outdoor unit and the indoor unit The communication cable between the outdoor unit and the indoor unit CAUTION During installation make first the refrigerant connections and then the electrical connections If the unit is uninstalled first disconnect the electrical cables and then the refrigerant connections Connect the air conditioner to the...

Page 12: ...ble Type B Cable Type C Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal AJ080RCJ4EG F1 F2 F1 F2 L N 1 L 2 N F1 F2 1 L 2 N F1 1 L 2 N F1 1 L 2 N F1 F2 1 2 1 2 F1 F2 F1 F2 1 2 2 1 F2 1 2 F1 F2 F1 F2 F2 F1 F2 F1 F2 1 2 2 1 1 2 1 2 B C B C B C B C A 1 L 2 N 1 L 2 N F1 F2 F1 F2 A unit B unit C unit D unit Indoorunit Assemblycable Earth terminal Earth terminal O...

Page 13: ...IEC 60245 IEC 57 CENELEC H05RN F IEC 60245 IEC 66 CENELEC H07RN F 2 Select power supply cord based on MCA 3 MFA is used to select the circuit breaker and the ground fault circuit interrupter earth leakage circuit breaker 4 MCA represents maximum input current 5 MFA represents capacitywhich may accept MCA Abbreviations MCA Min Circuit Amps A MFA Max Fuse Amps A Screw Tighten Torque kgf cm Position ...

Page 14: ... then connect F1 F2 lines R1 R2 lines which are upper controller communication cables and DC 12V power cables to the interface module referring to the figure on page 15 Upper controller power should be off 4 You must check the position of dip switch on the transmitter s main PCB and the main PCB of AJ RBLDEG AJ RBMDEG AJ RBJDEG indoor units For AR AJ RB1DEG AJ RBNDEG indoor units refer to page 34 ...

Page 15: ...UB PCB Terminal Block in the outdoorunit AJ052RCJ3EG AJ068RCJ3EG AJ080RCJ4EG K1 K2 K3 K4 Change DIPswitch K2 on AJ RBLDEG AJ RBMDEG AJ RBJDEG indoor units PCB K2 ON to OFF For AR AJ RB1DEG AJ RBNDEG indoor units refer to page 34 DC12V supply Check the dip switch position on transmitter main PCB as the picture above turn ON F1 F2 F1 F2 ...

Page 16: ...ing a driverwhich 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 to18 0 M5 20 0 to 30 0 1N m 10 kgf cm CAUTION When connecting cables you can connect the cables to the electrical part or connect them through the holes below depending on the spo...

Page 17: ...H2R type Step 5 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 Width19 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 cable Peel off 20 mm of cable shields from the pre installed tube CAUTION For information about the po...

Page 18: ...ap it with the insulation tape to finish CAUTION Make sure that the connection parts are not exposed to outside Be sure to use insulation tape and a contraction tube made of approved reinforced insulating materials that have the same level of withstand voltage with the power cable Complywith the local regulations on extensions WARNING In case of extending the electric wire please DO NOT use a roun...

Page 19: ...runit outdoor unit Maxheight between indoorunits Dimension 25m 50m 15m 7 5m Composition A B C A B C H h AJ080RCJ4EG 1 Piping outside diameter Indoorunit Out unit Power supply Ø V Hz Outside diameter Liquid Gas AR07 09 12 AJ016 020 026 035RB DEG AJ080RCJ4EG 1 220 240 50 1 4 3 8 AR18 AJ052RB DEG 1 2 AR24 5 8 NOTE AJ080RCJ4EG Outdoor unit cannot be connected to the following indoor unit combination A...

Page 20: ...vertightened the nuts could be broken so refrigerant may leak Protect or enclose refrigerant tubing to avoid mechanical damage NOTE The appearance of the unit may be different from the diagram depending on the model You can use the Cool and Heat modes in the following conditions Model Cool Heat Outdoor temperature 10 C to 46 C 15 C to 24 C It could take maximum 60 minutes to operate for the protec...

Page 21: ...antee its lifetime If the pipes require brazing ensure that OFN Oxygen Free Nitrogen is flowing through the system Nitrogen blowing pressure range is 0 02 to 0 05 MPa If you need a pipe longer than specified in piping codes and standards you must add refrigerant to the pipe Otherwise the indoor unit may freeze While removing burrs put the pipe face down to make sure that the burrs do not get in to...

Page 22: ...en them with a torque wrench Outerdiameter mm Tightening torque Bodycap N m Charging port cap N m ø 6 35 20 to 25 10 to 12 ø 9 52 20 to 25 ø 12 70 25 to 30 ø 15 88 30 to 35 Step 9 Performing the gas leak test Before completing the installation insulation of the cables hose and piping and fixing of the indoor unit to the installation plate you must check that there are no gas leaks To check for gas...

Page 23: ... product contains fluorinated greenhouse gases Do not vent gases into the atmosphere CAUTION Inform user if system contains 5 tCO2e or more of fluorinated greenhouse gases In this case it has to be checked for leakage at least once every12 months according to regulation n 517 2014 This activity has to be covered by qualified personnel only In case situation above 5 tCO2e or more of R 32 installer ...

Page 24: ...ich is calculated in the following formula Maximum refrigerant charge A factory refrigerant charge B maximum additional refrigerant charge due to piping extension C Here below the summary table with refrigerant charge limits for each products Unit g Model A B C AJ052RCJ3EG EU 1750 1550 200 AJ068RCJ3EG EU 2200 2000 200 AJ080RCJ4EG EU 2800 2000 800 Step11 Connecting the drain hose to the outdoorunit...

Page 25: ...and wrap it with insulating tape do not bury the connection Secure the earthing wire in position with staples NOTE If the earthing electrode is installed in an area with heavy traffic its wire must be connected securely 5 Carefully check the installation by measuring the earthing resistance with a earth resistance tester If the resistance is above the required level drive the electrode deeper into...

Page 26: ...e 39 and take corrective actions and then take all steps again starting from1 A part Green LED indicates which pipe failed to be checked Pipe A 1 blinking 2 seconds off 1 blinking Pipe B 2 blinking 2 seconds off 2 blinking Pipe C 3 blinking 2 seconds off 3 blinking If one ormore pipes fail to be checked A part Green LED will blink in the orderof failed pipes Forexample if Pipe A and C fail A part ...

Page 27: ... page 29 34 3 Press the K3 button once or reset the outdoor unit NOTE The LED indications are the same as in the automatic address setting mode Setting of PCB Display of the outdoorunit Key option of PCB Display K1 Fuction button K3 Reset button Key Push K1 K3 1 Pipe Checking Operation Reset 2 Cool Mode Try run 3 Heat Mode Try run 4 Pump Down 5 Finish Key Operation For more information of the Cool...

Page 28: ...ROTARY SWITCH SW02 SLIM DUCT MSP DUCT AJ026RBLDEG EU AJ035RBLDEG EU AJ052RBMDEG EU sw02 CONSOLE AJ026RBJDEG EU AJ035RBJDEG EU AJ052RBJDEG EU MAIN PCB ROTARY SWITCH SW02 POSITION ACCORDING TO REFRIGERANTCIRCUIT CONNECTED 0 A 1 B 2 C OUTDOOR UNIT A unit B unit C unit 0 Indoor Unit SW02 Att A 1 2 Att B Att C ...

Page 29: ...tton Option setting mode Entering mode forsetting option AR WSA AR XF AR XPX AR XWX Mode button Ionizer button Wind Free button High Temp button Low Temp button Mode button Single user button Wind Free button High Temp button Low Temp button AR XCX AJ RBNDEG AJ RB1DEG Mode button High Fan button Low Fan button High Temp button Low Temp button ...

Page 30: ...6 Press operation button with the direction of remote control for set CAUTION SEG1 SEG7 SEG13 SEG19 are not set as page option Set the SEG1 SEG7 as ON status and SEG13 SEG19 as OFF status Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time The procedure of setting option Operation Indication Step1 1 Remove the batteri...

Page 31: ...nter SEG9 value 2 Press button to enter SEG10 value Step 6 Press button to be changed to HEAT mode in the ON status 1 Press button to enter SEG11 value 2 Press button to enter SEG12value Step 7 Press button to be changed to AUTO mode in the OFF status 1 Press button to enter SEG14 value 2 Press button to enter SEG15 value Step 8 Press button to be changed to Cool mode in the OFF status 1 Press but...

Page 32: ... SEG20 value Step10 Press button to be changed to FAN mode in OFF status 1 Press button to enter SEG21 value 2 Press button to enter SEG22 value Step11 Press button to be changed to HEAT mode in the OFF status 1 Press button to enter SEG23 value 2 Press button to enter SEG24 value Step12 Press button to check whether the option code you entered is correct or not Press operation button to enter opt...

Page 33: ...ationand details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 0 A 0 No Main address 0 9 100 digit 0 9 10 digit 0 9 A single digit 1 Main address setting mode Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Explanation PAGE Setting RMC address Group channel 16 Group address Indication and Details Indication Details Indication Details Indi...

Page 34: ...tion and Details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 0 2 0 0 0 No use 0 1 Use Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Explanation PAGE Master Slave Indication and Details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 1 0 0 0 0 0 Slave 1 Master Option SEG...

Page 35: ... between the air inlet and outlet of the indoor unit If the temperature difference is larger than the value given in the following table the operation is normal Mode Temperature Cool Approximately 8 Heat Approximately12 CAUTION If the outdoor unit is turned off and then immediately turned on again the compressor does not operate for about 3 minutes During the Cool mode frost may temporarily develo...

Page 36: ...the indoor unit display turns on again Standby mode operation When all indoor units are turned off the air conditioner recognizes it and enters the standby mode The product power consumption in the standby mode is 3 5 W or less Setting the powerimprovement mode Enable or disable the power improvement mode with the DIP switch on the HUB PBA in the outdoor unit Powerimprovement mode Switch Switch se...

Page 37: ...e air conditioner by pressing the Power button on the indoor unit or remote control 6 Disconnect the pipes Relocating the indoorand outdoorunits 1 Pump down refrigerant See Pumping down refrigerant on page 37 2 Remove the power cord 3 Disconnect the assembly cable from the indoor and outdoor units 4 Remove the flare nuts connecting the indoor units and the pipes At this time cover the pipes of the...

Page 38: ...t 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 Remove the cap 2 Turn the stop valve clockwise by using a hexagonal wrench 3 Tighten the axis until the valve reached the sealing point 4 Tighten the cap securely CAUTION When you use the service port always use a charging hose ...

Page 39: ... connection Error Check if the console indoor unit is connected first E458 Outdoor Fan Error E320 Compressor OLP sensor error Short Open E465 CompressorVlimit Error E500 Inverter IPM over heat error E470 Outdoor unit EEPROM Error E471 Inverter micom option read write error E554 The refrigerant leaks completely from the outdoor E461 Inverter compressor starting failure 5 times E401 Outdoor unit fre...

Page 40: ...en E466 Inverter DC link Voltage error under150V over 410V E483 H W Detect DC Link overvoltage Error E484 PFC Overload error Over current E201 The number of indoor unit mismatched E202 Communication errer between the outdoor and indoor unit E237 Condenser temperature sensor error Short Open E330 EvaIn1 Sensor error Short Open E331 EvaIn2 Sensor error Short Open E332 EvaIn3 Sensor error Short Open ...

Page 41: ...TD 501 Suhong East Road Suzhou City Jiangsu China Suzhou SAMSUNG ELECTRONICS CO LTD Export 218 Jiepu Road Industry Park Suzhou Jiangsu China Samsung Electronics Service Department PO Box12987 Blackrock Co Dublin Ireland or Blackbushe Business Park Yateley GU46 6GG UK ...

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