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Safety precautions

Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment.

WARNING

•  Always disconnect the air conditioner from the power supply before servicing it or 

accessing its internal components.

•  Verify that installation and testing operations are performed by qualified personnel. 
•  Verify that the air conditioner is not installed in an easily accessible area.

General information

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Carefully read the content of this manual before installing the air conditioner and store the manual in a safe place in order 
to be able to use it as reference after installation. 

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For maximum safety, installers should always carefully read the following warnings.

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Store the operation and installation manual in a safe location and remember to hand it over to the new owner if the air 
conditioner is sold or transferred.

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This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other types 
of units with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be 
responsible for damages arising from the use of non compliant units.

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The manufacturer shall not be responsible for damage originating from 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.

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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.

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Do not use the units if damaged. If problems occur, switch the unit off and disconnect it from the power supply.

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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 very noisy.

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Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations 
should be performed by qualified personnel only.

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The unit contains moving parts, which should always be kept out of the reach of children.

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Do not attempt to repair, move, alter or reinstall the unit. If performed by unauthorized personnel, these operations may 
cause electric shocks or fires.

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Do not place containers with liquids or other objects on the unit.

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All the materials used for the manufacture and packaging of the air conditioner are recyclable.

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The packing material and exhaust batteries of the remote controller(optional) must be disposed of in accordance with 
current laws.

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The air conditioner contains a refrigerant that has to be disposed of as special waste. At the end of its life cycle, the air 
conditioner must be disposed of in authorized centers or returned to the retailer so that it can be disposed of correctly 
and safely.

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Wear protective equipment (such as safety gloves, goggles, and headgear) during installation and maintenance works. 
Installation/repair technicians may be injured if protective equipment is not properly equipped.

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This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental 
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use 
of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play 
with the appliance.

Summary of Contents for AC-505CM Series

Page 1: ...oner Installation manual A७७७đǹů kAࢩ A७७७đǹů A Thank you for purchasing this Samsung air conditioner Before operating this unit please read this manual carefully and retain it for future reference DB68 07310A 03 ...

Page 2: ...le in countries with separate collection systems This marking on the product accessories or literature indicates that the product and its electronic accessories e g charger headset USB cable should not be disposed of with other household waste at the end of their working life To prevent possible harm to the environment or human health from uncontrolled waste disposal please separate these items fr...

Page 3: ...roblems occur switch the unit off and disconnect it from the power supply f 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 very noisy f Always remember to inspect the unit electric connections refrigerant tubes and prote...

Page 4: ...elevation system will NOT be considered part of the warranty and will be charged to the end customer Power supply line fuse or circuit breaker f Always make sure that the power supply is compliant with current safety standards Always install the air conditioner in compliance with current local safety standards f Always verify that a suitable grounding connection is available f Verify that the volt...

Page 5: ... outdoor unit installation The air conditioner uses R 410A refrigerant A Type AC048MXQFGC AC060MXQFGC 620 330 360 384 940 1395 1420 567 1095 558 Unit mm B Type AC036MXQFEC AC042MXQFEC C Type AC030MXQFEC 620 940 977 998 528 537 675 330 360 384 ...

Page 6: ... English Preparation for outdoor unit installation D Type AC018MXQFEC 364 310 638 880 54 660 12 23 E Type AC024MXQFEC 310 793 364 660 12 18 880 53 F Type AC012MXQFEC 543 319 343 131 285 548 790 50 54 29 ...

Page 7: ...ndoor unit f Install the outdoor unit on a flat stable surface that can support its weight and does not generate any unnecessary noise and vibration f Position the outdoor unit so that the air flow is directed towards the open area f Maintain sufficient clearance around the outdoor unit especially from a radio computer stereo system etc Fuse Outdoor Unit Stereo 1 5m or more Indoor Unit Control Air...

Page 8: ... the salinity particles clinging to the external panels should be sufficiently washed out 3 Because the residual water at the bottom of the outdoor unit significantly promotes corrosion make sure that the slope does not disturb drainage Keep the floor level so that rain does not accumulate Be careful not to block the drain hole due to foreign substance 4 When product is installed in seashore perio...

Page 9: ...of the wall should be 1 5 times larger than the size of the outdoor unit You must secure more than 700mm of space between the protection wall and the outdoor unit for air circulation Sea Sea breeze Outdoor unit Outdoor unit Protection wall Dependingontheconditionofpowersupply unstablepowerorvoltagemaycausemalfunctionofthepartsor controlsystem Attheshiporplacesusingpowersupplyfromelectricgenerator ...

Page 10: ...tdoor unit are blocked by the wall The upper part of the outdoor unit and the air outlet is towards the wall 600 or more 300 or more 1500 or more 300 or more The upper part of the outdoor unit and the air outlet is opposite the wall When front and rear side of the outdoor unit is towards the wall When installing more than 1 outdoor unit 1500 or more 600 or more 600 or more Unit mm When the air out...

Page 11: ...r more 600 or more 3000 or more 3000 or more 300 or more When front and rear side of the outdoor unit is towards the wall Theunitsmustbeinstalledaccordingtodistancesdeclared inordertopermitaccessibilityfromeachside eitherto guaranteecorrectoperationofmaintenanceorrepairingproducts Theunit spartsmustbereachableandremovablecompletelyundersafetycondition forpeopleorthings CAUTION Should adopt bar typ...

Page 12: ...be 20mm or higher from the base surface Unit mm 620 940 330 360 384 Anchor bolt hole 660 880 310 340 364 Anchor bolt hole Type A B C AC030MXQFEC AC036MXQFEC AC042MXQFEC AC048MXQFGC AC060MXQFGC Type D E AC018MXQFEC AC024MXQFEC 543 790 285 319 343 Anchor bolt hole Type F AC012MXQFEC CAUTION Make a drain outlet around the base for outdoor unit drainage Iftheoutdoorunitisinstalledontheroof youhavetoch...

Page 13: ...ack not supplied with product OUTDOOR UNIT INSTALLED ONTHEWALL BY RACK f Ensure the wall will be able to suspend the weight of rack and outdoor unit f Install the rack close to the column as much as possible f Install proper grommet in order to reduce noise and residual vibration transferred by outdoor unit towards wall When installing air guide duct Check and make sure that screws do not damage t...

Page 14: ...nections If unit is uninstalled first disconnect electrical cables then refrigerant connections Connect the air conditioner to grounding system before performing the electrical connection When installing the unit you shouldn t use inter connection wire CAUTION Example of Air Conditioner System When using ELCB for 1 phase Indoor Unit Power cable Outdoor Unit Communication cable Grounding OR Power c...

Page 15: ...2 0 2 5 34 5 34 5 40 0 3 Phase Model Outdoor Units Input Current Amperes Power Supply OutdoorUnit Indoor Unit Rated VoltageRange OutdoorUnit Indoor Unit Total MCA A MFA A Hz Volts Min Max Cooling Heating AC048MXQFGC AC048MNMFEC 50 380 415 342 457 16 1 2 5 18 6 18 6 18 6 AC060MXQFGC AC060MNMFEC 50 380 415 342 457 16 1 2 5 18 6 18 6 18 6 NOTE 1 Voltage range Units are suitable for use on electrical ...

Page 16: ...ode designation IEC 60245 IEC 57 CENELEC H05RN F or IEC 60245 IEC66 CENELEC H07RN F Wheninstallingtheindoorunitinacomputerroomornetworkroom usethedouble shielded Tapealuminum polyesterbraid copper cableofFROHH2Rtype 1 phase terminal block specifications AC power M5 screw AC power M4 screw Communication M4 screw 1 L 2 N N L 15 12 1 L 2 N N L 9 95 11 55 10 1 11 4 Communication M3 screw 6 7 9 7 3 pha...

Page 17: ...withaclamp Theunbalancedpowermustbemaintainedwithin2 ofsupplyrating Ifthepowerisunbalancedgreatly itmayshortenthelifeofthecondenser Iftheunbalancedpowerisexceededover4 ofsupplyrating theindoorunitisprotected stoppedandtheerrormodeindicates Toprotecttheproductfromwaterandpossibleshock youshouldkeepthepowercableandtheconnectioncordoftheindoorand outdoorunitswithinducts withappropriateIPratingandmate...

Page 18: ...abletie 3 phase DuctType 1 L 2 N 2 1 F4 F3 F1 F2 V2 V1 N L3 T L2 S L1 R 1 L 2 N Indoor Unit Outdoor Unit 3 Phase 4Wires power cable AC 380V Indoor Power Communication cable Cable tie The appearance of the unit may be different from the picture depending on the model Laytheelectricalwiringsothatthefrontcoverdoesnotriseupwhendoingwiringworkandattachthefrontcoversecurely Groundwirefortheindoorunitand...

Page 19: ...8 1 1 2 8 4 1 3 16 0 4 0 015 0 0 1 8 0 07 8 3 16 22 7 8 13 1 2 43 1 11 16 8 4 1 3 16 50 0 07 8 3 16 22 7 8 0 3 0 011 13 5 1 2 0 5 0 019 0 2 0 007 11 4 7 16 0 3 0 011 17 5 11 16 14 9 16 50 2 8 4 1 3 16 0 4 0 015 0 0 1 8 0 07 70 0 10 8 3 16 24 1 0 4 0 015 17 5 11 16 0 5 0 019 0 4 0 015 13 3 1 2 0 4 0 015 18 5 3 4 20 3 4 51 2 8 4 1 3 16 0 4 0 015 0 0 2 0 0 078 f Connect the rated cables only f Connec...

Page 20: ...mm 3 Insert both sides of core wire of the power cable into the connection sleeve f Method 1 Push the core wire into the sleeve from both sides Connection sleeve f Method 2 Twist the wire cores together and push it into the sleeve Connection sleeve If cable wires are connected without using connecting sleeves their contact area becomes reduced or corrosion develops on the outer surfaces of the wir...

Page 21: ...the insulation tape to finish Three or more layers of insulation are required f Method 1 Insulation tape f Method 2 Insulation tape 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 Comply with the local regulations o...

Page 22: ...gerant pipe Outerdiameter mm Minimumthickness mm Tempergrade ø6 35 0 7 C1220T O ø9 52 0 7 ø12 70 0 8 ø15 88 1 0 ø15 88 0 8 C1220T 1 2H OR C1220T H ø19 05 0 9 ø22 23 0 9 Make sure to use C1220T 1 2H Semi hard pipe for more than Ø19 05mm In case of using C1220T O Soft pipe for Ø19 05mm pipe may be broken which can result in an injury CAUTION The appearance of the unit may be different from the diagr...

Page 23: ...essing the K2 key on the outdoor unit PCB 3 About 30 minutes later charge the refrigerant through the service port of gas stop valve If necessary refer to the pressure table classified by outdoor temperature NOTE 1 Ref Gas side stop valve service port Outdoor unit Indoor unit Balance Vacuum pump Liquid side stop valve service port How to Calculate the Quantity of Adding Refrigerant Thequantityofad...

Page 24: ...at the right figure 1 Connect each assembly pipe to the appropriate valve on the outdoor unit and tighten the flare nut 2 Referring to the illustration opposite tighten the flare nut on section B first manually and then with a torque wrench applying the following torque Outer Diameter D Torque N m Outdoor unit A Gas C D B Liquid ø6 35 mm 1 4 14 18 ø9 52 mm 3 8 34 42 ø12 70 mm 1 2 49 61 ø15 88 mm 5...

Page 25: ... cap to the valve and tighten them at the torque of 183kgf cm with a torque wrench 8 Check for gas leakage f At this time especially check for gas leakage from the 3 way valve s stem nuts A port and from the service port cap Connect the indoor and outdoor units using pipes with flared connections not supplied For the lines use insulated unwelded degreased and deoxidized copper pipe Cu DHP type to ...

Page 26: ...88 mm 5 8 2 2 mm ø19 05 mm 3 4 2 2 mm 5 Check that the flaring is correct referring to the illustrations below for examples of incorrect flaring Uneven Thickness Cracked Damaged Surface Inclined Correct 6 Align the pipes and tighten the flare nuts first manually and then with a torque wrench applying the following torque Valve Flare nut Valve cap Pressure port cap Valve needle Pressure port Wrench...

Page 27: ... The designs and shape are subject to change according to the model To check for gas leaks on the Outdoor unit check the valves on section A and B with a leak detector Connecting the drain hose to the outdoor unit 1 Make space more than 80 mm between the bottom of the outdoor unit and the ground for installation of the drain hose as shown in figure 2 Insert the drain plug into the hole on the unde...

Page 28: ... If installing in an unfavorable conditions use thicker one f Insulator s heat resistance temperature should be more than 120 C Pipe Pipe size InsulationType Heating Cooling Remarks Standard Less than 30 C 85 High humidity over 30 C 85 EPDM NBR Liquid pipe Ø6 35 Ø9 52 9t 9t Internal temperature is higher than 120 C Ø12 7 Ø19 05 13t 13t Gas pipe Ø6 35 13t 19t Ø9 52 Ø19 05 19t 25t f When installing ...

Page 29: ...r is replaced or when the unit is relocated in another area Afterinstallingtheproduct besuretoperformleaktestsonthepipingconnections Afterpumpingdownrefrigerant toinspectorrelocatetheoutdoorunit besuretostopthecompressorandthenremovetheconnectedpipes Do not operate the compressor while a valve is open due to refrigerant leakage from a pipe or an unconnected or incorrectly connected pipe Failure to...

Page 30: ... the telephone line cannot be used to ground the air conditioner NOTE 3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit Terminal M4 PVC insulated green yellow wire To grounding screw Steel core Carbon plastic 50cm 30cm 4 Install a green yellow coloured grounding wire f If the grounding wire is too short connect an extension lead in a mechanical way and wrap...

Page 31: ...r supply of the outdoor unit and deactivate the eco mode standby mode Eco mode Standby for minimizing power consumption 6 View mode When the K4 switch is pressed you can see information about our system state as below K4shortpush Display contents SEG1 SEG2 SEG3 SEG4 Unit 1 Orderfrequency 1 Hundredsdigit Tensdigit Unitsdigit Hz 2 Currentfrequency 2 Hundredsdigit Tensdigit Unitsdigit Hz 3 Thenumbero...

Page 32: ...uto Silence mode the air conditioner automatically enters the silence mode 6 hours after the outdoor temperature reaches its highest temperature In the Manual Silence mode the air conditioner is set so that the maximum operation frequency of the compressor is limited immediately when an external silence contact signal is received 8 Setting the address manually f Turnofftheairconditioner pressandho...

Page 33: ... failure after initial power is supplied The error occurs regardless of the number of units Check indoor quantity setting in outdoor 9 E202 Communication error between indoor unit and outdoor unit When there is no response from indoor units after tracking is completed Check electrical connection and setting between indoor unit and outdoor unit 10 E203 Communication error between the outdoor unit a...

Page 34: ...ected wire of compressor Check Comp wire 30 E468 Error on current sensor Short or Open Check Outdoor Inverter PBA 31 E469 Error on DC Link voltage sensor Short or Open 32 E470 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 ...

Page 35: ...5kW 5 48kW HEATING RATEDVOLTAGE FREQUENCY 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz RATED CURRENT COOLING 4 7A 5 6A 6 9A 8 2A 8 0A 10 0A HEATING RATED POWER INPUT COOLING 1 0 kW 1 2 kW 1 5kW 1 8kW 1 75kW 2 2kW HEATING EER COP COOLING 12 0 Btu h W 8 5 Btu h W 12 0 Btu h W 8 5 Btu h W 12 0 Btu h W 8 5 Btu h W HEATING POWER FACTOR COOLING 0 92 0 94 0 95 0 96 0 95 0 97 HEATING MAX CURRENT 11 5A 20 5A ...

Page 36: ...kW HEATING EER COP COOLING 12 0 Btu h W 8 5 Btu h W 12 0 Btu h W 8 5 Btu h W 12 0 Btu h W 8 5 Btu h W HEATING POWER FACTOR COOLING 0 94 0 95 0 96 0 97 0 97 0 98 HEATING MAX CURRENT 26 5 A 26 5 A 34 5 A DESIGN PRESSURE H 4 1 Mpa L 1 4 Mpa H 4 1 Mpa L 1 4 Mpa H 4 1 Mpa L 1 4 Mpa ANNUALENERGY CONSUMPTION for 2 000Hr for 2 700Hr 6345 kWh 7290 kWh 7533 kWh 9369 kWh 8532 kWh 11340 kWh REFRIGERANT R 410A...

Page 37: ... COOLING 3 66 kW 4 59kW 4 33kW 5 52kW HEATING EER COP COOLING 12 0 Btu h W 8 5 Btu h W 12 0 Btu h W 8 5 Btu h W HEATING POWER FACTOR COOLING 0 92 0 93 0 94 0 95 HEATING MAX CURRENT 16 1 A 16 1 A DESIGN PRESSURE H 4 1 Mpa L 1 4 Mpa H 4 1 Mpa L 1 4 Mpa ANNUALENERGY CONSUMPTION for 2 000Hr for 2 700Hr 9882 kWh 12393 kWh 11691 kWh 14904 kWh REFRIGERANT R 410A 2 6kg R 410A 2 6kg IP NUMBER IPX4 IPX4 NET...

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