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Refrigerant pipe installation

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1. Mambeneh Content SEGI SEG2 SEG3 SEG4 Remark switch presses Press and hold dme Check operation L 2 1 Heating refrigerant charging l E 2 Heating trial operation L ni K1 JN L 3 Heating pump out 1 4 Vacuum 0 5 Completion um L 1 Cooling refrigerant charging 1 M L 2 Cooling trial operation 2 3 Cooling pump down L 4 Checking the amount of refrigerant 5 Completion K3 Reset gt K4input display order 1 Current frequency 2 Low pressure value 3 Outdoor temperature 4 Discharge temperature 5 OLP temperature 6 COND temperature 7 Double pipe out tube temperature 8 High pressure value 9 FAN RPM 10 ESC EVI EEV 11 MAIN EEV 12 Present running current 13 Number of connected indoor units 14 Number of operating indoor units 15 Sum of indoor unit capacity RD MHXE IM 11ge 33604A 11 EN indd 41 K4 Press and hold to enter the setting gt K4 Displayed content Display on segment press Number of press time Main Micom version Version ex 0912 1time Inverter Micom version Version ex 0912 2 times EEPROM version Version ex 0912 SEG1 SEG2 SEG3 4 Automatically assigned address of the 3 times f Address Indoor unit A Indoor unit 0 ex 05 SEG1 SEG2 SEG3 4 4 times
2. E RESEN DEENA SENS EERE E EEEN ERER 49 Checking lists after finishing installation cc ccc cece ence cece III e mee hmmm hene 51 Mia koperatiON araiaty 52 2 RD MHXE _IM_11ge_33604A 11_EN indd 2 2015 06 29 2 37 38 Safety precautions Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment e Always disconnect the air conditioner from the power supply before servicing it or accessing its internal components A WARNING e Verify that installation and testing operations are performed by qualified personnel Verify that the air conditioner is not installed in an easily accessible area HSITDNA General information gt 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 For maximum safety installers should always carefully read the following warnings 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 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 compli
3. Outdoor unit capacity HP Liquid pipe mm Gas pipe mm 4 99 52 915 88 919 05 5 99 52 915 88 919 05 6 99 52 919 05 922 23 gt Install the refrigerant pipe according to main pipe size of each outdoor unit capacity gt When the pipe length between an outdoor unit and the farthest indoor unit including elbow exceeds 90m the gas pipe size should be upgraded one step among the main pipes from the outdoor unit to the first Y joint The liquid pipe size will be maintained gt Ifthe capacity of the outdoor unit can decline due to the pipe length upgrade the pipe size one step gas pipe Main pipe size up First Y joint Pipe installation between Y joints Indoor unit total Pipe diameter O D mm capacity kW Liquid pipe mm Gas pipe mm lt 15 0 15 88 09 52 15 0 lt X lt 23 2 019 05 RD MHXE IM 11ge 33604A 1 1 EN indd 13 13 2015 06 29 2 37 40 HSITDNA RD MHXE _IM_11ge_33604A 11_EN indd Refrigerant pipe installation Selecting Y joint gt Select the first Y joint according to main pipe size of each outdoor unit capacity gt Select the other Y joints according to the total indoor unit capacity under the selected Y joint Keeping refrigerant pipe Selecting the first Y joint Other Y joints Total indoor unit capacity Outdoor unit capacity HP Y joint mode
4. If foreign matters or BURRs are not removed after cutting pipe refrigerant gas may leak Cracked Uneven Thickness caution If foreign matters enter inside the pipe the important interior parts of the unit may get damaged or product efficiency will be reduced So the direction of pipe should be downward during pipe cutting or flaring RD MHXE IM 11ge 33604A 11 EN indd 15 15 2015 06 29 2 37 40 Refrigerant pipe installation Tightening flare connection area gt Check that the flaring is properly made gt Align the center of the piping and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench gt Make sure to use ester oil to coat the flare connection section Pipe Flare connection section Flare nut Outer diameter mm Connection torque kgf cm Flare dimension mm Flare shape mm 06 35 145 175 8 70 9 10 R0 4 0 8 99 52 333 407 12 80 13 20 2 5 T SN L 912 70 505 615 16 20 16 60 amp 915 88 630 769 19 30 19 70 Blowing Nitrogen gas should be done when brazing the pipe Make sure to use the provided flare nut Make sure that there are no cracks on the bent pipe Do not fasten the flare nut with excessive strength Use ester oil to coat the flare connecti
5. a 300 or more 600 or more 600 or more 600 or more When the walls are blocking front and the rear ofthe outdoor units 15 E _ lS i 1 g U 2 5 600 or more 600 or more Y S When front and rear side of the outdoor unit is toward the wall 1500 or more 600 or more 3000 or more 3000 or more 300 or more RD MHXE IM 11ge 33604A 11 EN indd 9 2015 06 29 2 37 39 Installation location l Moving the Outdoor Unit gt Select the moving route in advance gt Besure that moving route is safe from the weight of the outdoor unit gt Donotslantthe product more than 30 when carrying it Do not lay the product down sideways gt The surface of the heat exchanger is sharp Be careful not to get injured while moving and installing When moving with a crane or wire rope gt When moving an outdoor unit to a higher place such as the rooftop Fasten the wire rope as seen in the picture Move the outdoor unit with the product packed to prevent possible product damage during the transportation Wood palette When moving an outdoor unit with hands gt Moving the outdoor unit by lifting up and carrying due to the short travel distance Two people should carry the outdoor unit by holding transportation handle careful not to damage the heat exchanger of the rear side of the outdoor unit during transportation Be careful not to get hurt by the sharp surface of the heat exchanger
6. gt Use the wires that comply with regulated specification and firmly connect to the terminal board Then tighten it with the screws provided so that the terminal board cannot be moved by external force The connecting cable and the grounding terminal should be locally procured When wiring the connection cable shouldn t be too tight gt Apply silicon at the end of CD pipe so that rainwater does not enter Conduit leading into an outdoor unit Silicone 31 RD MHXE IM 11ge 33604A 11 EN indd 31 2015 06 29 2 37 44 Wiring work Overall System Configuration Connection of the power cable 1 phase 2 wires Distribution board Outdoor unit Indoor unit 1 phase 1 phase 2 wires 220V 240V ELB Wired remote Earth controller Connection of the power cable 1 phase 2 wires using EEV kit Distribution board Outdoor unit Indoor unit 1 phase 1 phase 2 wires 2 wires 220V 240 220V 240V Or MCCB ELB Wired remote Earth controller 32 RD MHXE IM 11ge 33604A 11 EN indd 32 2015 06 29 2 37 44 Connection of the power cable 3 phase 4 wires Distribution board Outdoor unit Indoor unit 3 phase 1 phase 4 wires 2 wires 220V 240V Or ELB Or ELB HSITDNA Wired remote Earth controller Connection of the power cable 3 phase 4 wires using EEV kit Di
7. 2 core cable used for the communication cable Wiring work Is the length of the wire is in the limited range Is the wiring route correct Are the ADDRESSES of the indoor and outdoor units properly set Are the ADDRESSES of the remote controller properly set When using multiple remote controllers Setting ADDRESS Have you checked whether the vibration resistance frame is correctly installed if Option there is a possible vibration of the outdoor unit 51 RD MHXE IM 11ge 33604A 11 EN indd 51 2015 06 29 2 37 47 Trial operation gt Check the power supply between the outdoor unit and the cabinet panel 1 phase power supply L N 3 phase power supply R S T N gt Check the indoor unit Check whether you have connected the power and communication cables correctly The communication cables between an indoor unit and outdoor unit are F1 F2 Check the thermistor sensor drain pump hose and display are connected correctly gt Check with Key mode or S Net Pro At first operate all the indoor units with Key mode and operate the indoor units individually with S Net Pro Inthe beginning of operation check the compressor operation sound If there is a boom sound stop the trial operation gt Check the operation status of indoor and outdoor unit Check whether the cooling operation is done correctly Check the individual indoor unit control wind velocity and wi
8. 210x330 2 AMO40FXMDEH EA 100 940x1 210x330 SERE AMOSOFXMDEH EA 100 940x1 210x330 AMO40FXMDGH EA 100 940x1 210x330 AMOSOFXMDGH EA 100 940x1 210x330 RDOGOMHXEA 103 940x1 210x330 RDO6OMHXGA 103 940x1 210x330 AMOGOFXMDEH EA 103 940x1 210x330 AMO60FXMDGH EA 103 940x1 210x330 53 RD MHXE IM 11ge 33604A 11 EN indd 53 2015 06 29 2 37 47
9. Megas igure pipes canoe When installing the gas side and liquid side pipes leave with each other but they should not press excessively 10mm of space against each other Wii DEOR When contacting the gas side and liquid side pipe use When contacting the gas side and liquid side pipe use iis 3 thicker insulation thicker insulation Insulation Insulation Liquid pipe Gas pipe Gas pipe Liquid pipe A Install the insulation not to be get wider and use adhesive on the connection part of it to prevent moisture camo Entering Bind the refrigerant pipe with insulation tape if it is exposed to outside sunlight When binding the pipe with finishing tape be careful not to reduce the thickness of the insulation Install the refrigerant pipe respecting that the insulation does not get thinner on the bent part or hanger of pipe When the thickness of insulation is reduced supplement the reduced thickness with additional insulation Insulation for refrigerant pipe ax3 29 RD MHXE IM 33604 11 EN indd 29 2015 06 29 2 37 44 Refrigerant pipe installation Insulating the header joint gt Fasten the header joint using a cable tie and cover the connected part Insulation gt Insulate the header joint and the brazing part and wrap the connected part with an adhesive insulation tape to prevent dew formation Adhesive insulation tape Insulat
10. N L N 34 RD MHXE IM 38604A 11 EN indd 34 2015 06 29 2 37 45 Selecting compressed ring terminal gt Select a compressed ring terminal of a connecting power cable based on a nominal dimensions for cable gt Cover a compressed ring terminal and a connector part of the power cable and then connect it 4e Silver solder HSITDNA pe E 4 Nominal dimensions for cable mm 4 6 10 16 25 35 50 70 Nominal dimensions for screw mm 4 8 8 8 8 8 8 8 8 8 Standard dimension mm 9 5 15 15 16 12 16 5 16 22 22 24 d Allowance mm 0 2 02 02 0 3 0 3 0 3 04 Standard dimension mm 5 6 7 1 9 11 5 13 3 13 5 17 5 D 03 403 403 40 5 05 05 05 02 02 02 02 0 2 02 04 Standard dimension mm 3 4 4 5 5 8 7 7 94 114 133 Allowance mm 0 2 02 02 0 2 0 2 03 04 6 79 9 5 11 12 5 175 185 F Min 5 9 9 13 15 13 13 14 20 L Max 20 28 5 30 33 34 38 43 50 51 Standard dimension mm 4 3 8 4 8 4 8 4 8 4 8 4 8 4 8 4 d2 02 404 04 404 04 04 404 04 Allowance mm 0 0 0 0 0 0 t Min 0 9 1 15 1 45 1 7 1 8 1 8 2 0 35 RD MHXE IM 11ge 33604A 11 EN indd 35 2015 06 29 2 37 45 Wiring work l Installing grounding wire gt Grounding must be done by a qualified installer for your safety gt Use the grounding wire by
11. condition of overvoltage category RD MHXE IM 11ge 33604A 11 EN indd 4 2015 06 29 2 37138 Outdoor unit type Shape Model Cooling and Heating RDO40MHXE 4 1phase 5 AM060 XMDEH RDO40MHXG AM040 XMDGH 3phase RDOSOMHXG AM050 XMDGH RDO60MHXG Installation combination gt You must install the indoor unit that uses R 410A only gt Ifsum capacity of the combined indoor units exceeds the capacity of an outdoor unit the capacity of each indoor unit is reduced below the rated capacity Therefore keeping the combination of indoor units within the capacity of an outdoor unit is recommended Outdoor unit Outdoor unitcapacy HP Connectableindoorunits connected indoor units kW RD040 Series 4 6 56 145 4 Series RDO50 X Series 5 8 70 182 Series RD060 XOK Series 6 9 78 202 Series RD MHXE IM 11ge 33604A 11 EN indd 5 2015 06 29 2 37 38 HSITDNA Deciding to where to install the outdoor unit Decide the installation location based on the following condition and obtain the user s approval gt Avoid a place that may disturb your neighbor Noise may occur from the outdoor unit and the discharged air may run into the neighborhood Be careful of the operation ti
12. conditioner in the heating mode ice may accumulate During de icing defrost operation the condensed water must be drained off safely Consequently you must install a drain hose on the outdoor unit following the instructions below gt Leave space of more than 50mm between the bottom of the outdoor unit and the ground for installation of the drain hose as shown in figure gt Insert the drain plug into the hole on the underside of the outdoor unit gt Connect the drain hose to the drain plug gt Ensure that the drained water runs off correctly and safely 50mm 27 RD MHXE IM 33604A 11 EN indd 27 2015 06 29 2 37 44 Refrigerant pipe installation gt Besure to plug the rest of drain holes not connected with drain plugs using drain caps Drain cap Insulating refrigerant pipe or Y joint gt You must check if there is a gas leak before completing all the installation process After you check that the gas does not leak you must insulate the pipe and hose gt Use EPDM insulation which meets the following condition Item Unit Standard Density g cm 0 048 0 096 Dimension change route by heat 5 or less Water absorption rate g cm 0 005 or less Thermal conductivity kcal m h C 0 032 or less Moisture transpiration factor ng m s P
13. hose 14 14 2015 06 29 2 37 40 Direction of the pipe when brazing gt Brazing the pipe should be done with the pipe headed downward or horizontally gt Avoid brazing with the pipe headed upward The test liquid used to detect leakage after pipe brazing should be the designated one The use of the test liquid cAuTION Containing sulfur element may cause pipe corrosion Cutting or Flaring the pipes gt Make sure that you prepared the required tools Pipe cutter reamer flaring tool and pipe holder etc gt Ifyou want to shorten the pipe cut it using a pipe cutter ensuring that the cut edge remains at 90 with the side of the pipe There are some examples of correctly and incorrectly cut edges below Pipe cutter 90 Oblique gt To prevent a gas leak remove all burrs at the cut edge of the pipe using reamer gt Carry out flaring work using flaring tool as shown below Flaring tool gt HSITDNA Flaring bar Flare nut A mm Pipe diameter mm tool for R 410A Conventional flare tool clutch type Clutch type Wing nut type 96 35 0 0 5 1 0 1 5 1 5 2 0 99 52 0 0 5 1 0 1 5 1 5 2 0 i 12 70 0 0 5 1 0 1 5 1 5 2 0 915 88 0 0 5 1 0 1 5 1 5 2 0 gt Check that you flared the pipe correctly There are some examples of incorrectly flared pipes below HU nga Correct Inclined Damaged Surface
14. indoor MEV E32SA MXD E24K132A MXD E24K200A 2 indoor EEV Kit Apply to products Actual pipe lengh MXD E32K200A without EEV Wall Indoor units SA mounted amp ceiling 20m or less MXD E24K232A MXD E24K300A 3 indoor MXD E32K224A MXD E32K300A When the equivalent length between an outdoor unit and the farthest indoor unit exceeds 90m upgrade the low pressure pipe ofthe main pipe one step 19 RD MHXE IM 33604A 11 EN indd 19 2015 06 29 2 37 41 Refrigerant pipe installation Connection by header joint Outdoor unit Header joint X H1 id v Connection by Y joint header joint ena Outdoor unit Header joint MC Indoor unit i 4 d l P e f g Y joint 3 4 5 H1 b B H2 a 2 Indoor unit Classification Header joint connection Y joint header joint connection The distance between an outdoor unit and the farthest indoor unit lt 150m Actual Length Ex 8 indoor units Ex 8 indoor units Maximum outdoor lt 150m a b c lt 150m allowable length of unit Equivalent length The distance between an outdoor unit and the farthest
15. length height difference and the allowable length after branching is done The pressure of the R 410A is high Use only certified refrigerant pipe and follow the installation method After pipe installation charge the refrigerant according to the length of the pipe and R 410A refrigerant should be used v Use clean refrigerant pipe and there shouldn t be any harmful ion oxide dust iron content or moisture inside pipe Use tools and accessories that fit on R 410A only v www When installing make sure there is no leakage When collecting the refrigerant stop the compressor first before warning moving 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 ofthe refrigerant cycle abnormally high It may cause explosion and injury V 7 Work If compatible with conventional tool Pipe cutter Pipe cutting Compatible Flaring tool Pipe flaring Refrigerantoil Apply refrigerant oil on Exclusive ether oil ester oil alkali benzene oil g Refrigerant pipe work flared part or synthetic oil Connect flare nut with Torque wrench pipe Pipe bender Pipe bending Compatible Nitrogen gas Inhibition of oxidization Air tightening test Brazing tool Pipe brazing Need exclusive one to prevent mixture of R 22 Manifold gauge Air tighteni
16. or vacuum drying HSITDNA Connect the manifold gauge to the liquid pipe and gas pipe Vacuum Vacuum the liquid pipe and gas pipe Make sure to install check valve to prevent pump oil from using the vacuum pump flowing into the pipe The time of vacuum drying may differ depending on the length of the pipe or outdoor temperature Perform vacuum drying for at least 2 hours and 30 minutes Vacuum those pipes for more than 2 hours and 30 minutes Close the valve after checking the vacuum gauge pressure has reached at 100 7 kPa Check the vacuum pressure using the vacuum gauge gauge pressure Check whether the pressure is maintained as 100 7 kPa gauge pressure 5 torr for an hour Check the gas leak Pressure Increase Vacuum destruction due to the moisture inside the pipe Apply pressure with Nitrogen gas of 0 05 MPa gauge pressure Perform vacuum drying again up to 100 7 kPa gauge pressure 5 torr for 2 hours or longer and evaluate the vacuum Charging additional refrigerant according to piping length Pressure Increase AN If the pressure rises in an hour either water remains inside the pipe or there will be a leak CAUTION 25 RD MHXE IM 11ge 33604A 11 EN indd 25 2015 06 29 2 37 43 Refrigerant pipe installation Selecting additional refrigerant charging gt Basic refrigerant The basic amount of additional refrigerant charged at a fac
17. outdoor temperature drops below 0 C Therefore supply the power during winter time If the power is not supplied compressor protection mode will not operate and cause product malfunction RD MHXE _IM_11ge_33604A 11_EN indd 2015 06 29 2 37 38 Safety precautions Installing the unit IMPORTANT When installing the unit always remember to connect first the refrigerant tubes then the electrical lines Always disassemble the electric lines before the refrigerant tubes gt Upon receipt inspect the product to verify that it has not been damaged during transport If the product appears damaged DO NOT INSTALL it and immediately report the damage to the carrier or retailer if the installer or the authorized technician has collected the material from the retailer gt After completing the installation always carry out a functional test and provide the instructions on how to operate the air conditioner to the user gt Donotusethe air conditioner in environments with hazardous substances or close to equipment that release free flames to avoid the occurrence of fires explosions or injuries gt Our units should be installed in compliance with the spaces shown in the installation manual to ensure accessibility from both sides and allow repairs or maintenance operations to be carried out The unit s components should be accessible and easy to disassemble without endangering people and objects gt For this reason when provisions of
18. ports Liquid side Gas side Brazing part Connection in order Supplied Connection in order Block the port of header joint Reducer Block the port of header joint 22 RD MHXE _IM_11ge_33604A 11_EN indd 22 2015 06 29 2 37 42 When using A J type of header joint connect the header joint to the pipe with provided reducer caution When using K Z type of header joint connect the header joint to the pipe by cutting the provided reducer properly Connect the header joint in order respecting the number of the indoor unit Connectthe indoor unit as the highest capacity comes first HSITDNA 10 15mm or more gt Install the header joint horizontally Install the header joint horizontally so that it is not facing down Reducer Header joint Pipe Liquid side Should be horizontal Should be horizontal _ F 15 or less Should be horizontal Gas side 0 less 23 RD MHXE _IM_11ge_33604A 11_EN indd 23 2015 06 29 2 37 42 Refrigerant pipe installation Performing air tightening test gt Use tools for R 410A only to prevent the inflow of foreign substances and to resist the internal pressure gt Use dry Nitrogen gas to do an airtight test as below Apply pressure to the liquid side pipe gas side pipe with Nitrogen gas of 4 1MPa gauge pressure If you apply pressure more than 4 1MPa gau
19. referring to the specification of the electric cable of the outdoor unit Grounding the power cable gt The standard of grounding may vary according to the rated voltage and installation place of the air conditioner gt Ground power cable according to the following Installation place TE e High humidity Average humidity Low humidity Perform the grounding work Perform the grounding work 3 if polled flower Do 3 80 possible for your safety ete Must perform the grounding work 3 ete 1 Voltage of higher than 150V 9 9 In case of installing circuit breaker as well 1 Grounding work Nor Grounding must be done by your installation specialist Check if the grounding resistance is lower than 1000 When installing a circuit breaker that can cut the electric circuit within 0 5 second in case of a short circuit the allowable grounding resistance should be 30 5000 2 Grounding at dry place The grounding resistance is should be lower than 1000 It should not be higher than 2500 Usethe rated grounding wire by referring to the specification of the electric cable of the outdoor unit Performing the grounding work gt Use the grounding wire by referring to the specification of the electric cable for the outdoor unit When using the terminal for grounding only When using grounding of the switch board ERA Earth terminal Switch B
20. the picture gt When multiple outdoor units are combined for installation allow enough space for ventilation against a wall If the ventilation space is not allowed product malfunction may occur gt The side with logo is the front side of the outdoor unit Figure Description Top view Side view Back side Air intake Front side Air 4 Back side Air outlet intake Front side Air outlet LN Air flow direction When installing 1 outdoor unit When the air outlet is opposite the wall When the air outlet is toward the wall Unit mm U T P x ej U VUL When 3 sides of the outdoor unit are blocked by the wall The upper part of the outdoor unit is blocked and the air outlet is toward the wall 2000 or more eL a 300 or more 1500 or more 1500 or more 300 or more c 150 or more 600 or more The upper part of the outdoor unit is blocked andthe air When the walls are blocking front and the rear of the outlet is opposite the wall outdoor unit 300 or more 300 or more 500 or more 1500 or more RD MHXE IM 11ge 338604A 11 EN indd 8 2015 06 29 2 37139 When installing more than 1 outdoor unit When 3 sides of the outdoor unit are blocked by the wall Unit mm e 0 0 0 rm z A IL Et 2 Es a Y U Y gt q gt E q
21. wall should be constructed with a solid material such as concrete to block the sea breeze and the height and the width ofthe wall should be 1 5 times larger than the size of the outdoor unit Also allow over 700mm space between the protection wall and the outdoor unit for ventilation of exhaust air Protection wall Outdoor unit Sea breeze D Sea RD MHXE _IM_11ge_33604A 11_EN indd 6 2015 06 29 2 37 38 Install the indoor unit away from any interfering sources such as radio computer stereo equipment and also CAUTION select a place where the electrical wiring work and an indoor unit installation are possible Especially keep the unit at least 3m away from the electrical equipment in an area where weak electromagnetic waves are generated and install the protection tube to protect the main power cable and communication cable Make sure that there is no equipment that genetrates electromagnetic waves If so malfunction of the control system may occur due to the effect of the electromagnetic wave For example The remote control sensor of the indoor unit may not have good reception in an area with fluorescent lamp style lighting Make sure the outdoor unit is installed in a safe place where it will not be obstructed by snowfall The frame should be installed in a place where the air inlet and heat exchanger of the unit are not buried in the snow Aventilation system may be required when the outdoor unit is installe
22. 5 K16 7 SEGMENT DISPLAY L Y Terminal blocks for connection with an interface module Do not connect wires to these terminal blocks 38 RD MHXE IM 11ge 33604 11 EN indd 38 2015 06 29 2 37 45 Setting the number of connecting indoor units Ex When you connect 3 indoor units set 5 02 to RD MH Series AM XMD H Series Unit digit Unit digit Unit digit S W function Series Heating KEY operation Cooling KEY operation Reset View Mode Tact switch K1 K2 K3 K4 Cooling target Cooling target Auto manual address Snow prevention evaporating evaporating temperature temperature K5 K6 K7 K8 SER Heating capacit Heating capacit DIP switch Night s quiet option Night s quiet option y y K9 K10 K11 K12 Total electric current Total electric current Defrost correction Defrost correction option option K13 K14 K15 K16 Series Heating KEY operation Cooling KEY operation Reset View Mode Tact switch K1 K2 K3 K4 Cooling target Cooling target Snow prevention evaporating evaporating temperature temperature K5 K6 K7 K8 TEER OH Heating capacit Heating capacit DIP switch Night s quiet option Night s quiet option pain y y K11 K12 Total
23. E BE NN MILENA MUSS m E T il i d i m al m 1 2 3 4 5 6 ZI j 8 Connection by Y joint EEV kit Outdoor unit 18 RD MHXE IM 11ge 33604 11 EN indd 18 2015 06 29 2 37 41 Classification Y joint connection Y joint EEV kit connection The distance between the outdoor unit and the farthest indoor unit 150m Actual Length Ex 8 indoor units Ex 6 indoor units Maxi at b c d e f g p lt 150m a b c d j lt 150m aximum EUER Outdoor unit EUM Indoor TSEN The distance between an outdoor unit and the farthest indoor unit lt 175m length of n length e Pip Main pipe The main pipe a from the outdoor unit to the first Y joint should be less than length 110m Total length The sum ofthe total length of pipes should be less then 300m Maximum Outdoor unit Height H1 The difference of height between an outdoor unit and indoor unit lt 50m allowable Indoor height Units Height H2 The difference of height between indoor units lt 15m The distance between the first Y joint Allowable length between EEV kit i and the farthest indoor unit lt 40m Maximum 202266 Actual Length and an indoor unit x 20m after Y joint Ex 8 indoor units Ex h j lt 20m b c d e f g p lt 40m EEV Kit Model name Remarks MEV E24SA 2m or less 1
24. ED When the compressor starts operating observe low pressure using manifold gage When the low pressure goes below 0kg cm g turn off the service valve at gas side and finish the pump down operation To finish pump down operation press K2 button one more time or press K3 button one time to be initiated HSITDNA vvvvvy When putting refrigerant into the refrigerant container you must use the exclusive container that can be caution recharged When remodeling normal refrigerant container illegally explosion might occur 49 RD MHXE _IM_11ge_33604A 11_EN indd 49 2015 06 29 2 37 47 Pump Down I How to put the refrigerant into the refrigerant container before pump down operation When the amount of refrigerant charged in the system exceeds maximum receptive capacity collect the refrigerant into the refrigerant container at first and then perform the pump down Prepare the exclusive refrigerant container that can be recharged scale and manifold gage that can be recharged Check the current amount of refrigerant within the system After connecting the refrigerant container to an outdoor unit operate 50 of all indoor units as cooling mode Check the pressure of high pressure side for manifold gage after 10 minutes from cooling operation When the pressure of high pressure side is above 30kg cm g decrease the number of operating indoor unit and make the pressure below 30kg cm g gt After checking that the pre
25. H RD050MHXE 1phase 220 240V 50Hz 24 30 Note1 AM050 XMDEH 32 40 Note1 AM060 XMDEH Note1 Equipment complying with IEC 61000 3 12 Model Voltage MCA MFA Ssc value RDO40MHXG 10 16 1 3 3 AM040 XMDGH RDOSOMHXG 3phase 12 16 1 3 3 AM050 XMDGH 380 415V 50Hz RDO60MHXG 12 16 1 3 3 AM060 XMDGH Note2 This equipment complies with IEC 61000 3 12 provided that the short circuit power 5 is greater than or equal to 5 value at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with distribution network operator if necessary that the equipment is connected only to a supply with a short circuit power Ssc greater than or equal to Ssc value Tightening power terminal gt Connect the cables to the terminal board using the compressed ring terminal gt Use rated cables only gt Connect the cables with driver and wrench that can apply the rated torque to the screws gt Make sure that appropriate tightening torque is applied for cable connection If the terminal is loose arc heat may occur and cause fire and if the terminal is connected too firmly terminal may get damaged Tightening torque kgf cm MA 120 180 Communication F1 F2 phase AC power 1 L 2 N L N L1 R L2 S L3 T N M5 20 0 30 0 1 phase AC power 1 L 2
26. Installation and base ground work for an outdoor unit gt Install the outdoor unit 150mm higher than the base ground and install the drain hole to connect the pipe to the drainage gt When the front fan of an outdoor unit is installed in a place where the average snowfall is more than 150mm the discharge duct should be attached to the outdoor unit The concrete foundation should be 1 5 times larger than bottom of the outdoor unit It is necessary to install wire mesh or steel bar when outdoor units are installed on a soft foundation gt When installing multiple outdoor units at the same place install the H beam on the base ground When installing a number of outdoor Outdoor unit units you can install it on the base ground vv Anchor bolt F gt Install the H beam 150mm x 150mm xt10 basic specification or vibration absorption frame to jut out from the base ground Nut Spring v Square pad gt After installing the H beam apply corrosion protection E 4 gt Install a square pad t 20mm or more to prevent vibration from the T H beam outdoor unit onto the base ground Place the outdoor unit on the A H beam and fix it with the bolt nut and washer Fix with M10 basic 75mm or d more anchor bolt nut and washer A 10 20mm or more 10 RD MHXE IM 11ge 33604A 11 EN indd 10 2015 06 29 2 37 39 Base ground work Install the outdoor unit ho
27. Manually assigned address of the units Indoor unit A Indoor unit 0 Address ex 01 41 2015 06 29 2 37 46 Setting indoor unit option switch and key function gt K5 Manual Auto address setting This function is only available for MHX gt Series Switch Function Communication tracking K5 ON Setting indoor unit address manually Default OFF Setting indoor unit address automatically gt K6 Snow prevention control option Switch Function Snow prevention control K6 ON Disuse snow prevention control Default OFF Use snow prevention control When you set the snow prevention control as Use outdoor fan will operate for one minute every 30minutes in the condition of Cooling heating stop status at below 5 C gt K7 K8 Changing cooling capacity correction table Switch Function Target evaporating temperature K7 K8 ON ON 7 9 C Factory default setting ON OFF 5 7 C OFF ON 9 11 C OFF OFF 10 12 C Upgrade the performance by referring to the cooling long pipe performance data of the technical data book Ifyou upgrade the performance at your discretion low discharge air temperature of an indoor unit might cause discomfort This is the option for performance correction during long pipe installation only gt K9 K10 Night quiet option This reduces FAM RPM to operate the outdoor unit quietly during night operatio
28. RDO40MHXE 22A 01 5 24 6HP RD060MHXE 32A 4HP RD040MHXG AM040 XMDGH 10A 93 5HP RD050MHXG AM050 XMDGH 12A 6HP RD060MHXG AM060 XMDGH 12A RD MHXE _IM_11ge_33604A 11_EN indd 43 43 2015 06 29 2 37 46 Setting indoor unit option switch and key function gt K15 K16 Defrost Option This is to control entering condition of defrost mode Switch Function K15 K16 ON ON MID ON ON LOW1 OFF OFF LOW2 Defrost mode will start when the temperature difference between outdoor and outdoor heat exchanger has become more than certain standard Factory default status is MID When the function changes to LOW with option control defrost entering temperature decreases When defrost entering temperature decreases the operation hour will be long but this means that the operation hour with the reduced heating capacity increases This option is used at places where humidity is high and the defrost mode enters too frequently Maintaining factory default status is recommended Inspection and check operation gt This function is only available Series Precautions before check operation When the outdoor temperature is low turn on the main power 3 hours before beginning the operation Ifyou start the operation immediately after turning on the main power it may c
29. SAMSUNG ELECTRONICS CO LTD 107 Hanamsandan 6beon ro Gwangsan gu Gwangju si Korea 506 723 Samsung Electronics UK Ltd Euro QA Lab Blackbushe Business Park Saxony Way Yateley Hampshire GU46 6GG United Kingdom This product is RoHS compliant Cover EN EN indd 2 2015 05 22 103702 RD xMHXE Series RD xMHXG Series AM XMDEH Series AM XMDGH Series 100 Recycled Paper imagine the possibilities Thank you for purchasing this Samsung product 2015 05 22 10 37 03 Cover EN indd 3 Contents Tome 3 Qutdooru nit YDE ER 5 5 Deciding to where to install the outdoor unit I Ime e e ehe ehh hene 6 Installation location 2 coris cote eoxekeox Adda Ded eR UA wan RR E TAG ER a E 8 Installation and base ground work for an outdoor unit 2 kkk eee eee ene ence cence ene e e ee e eme emen 10 Refrigerant pipe installation 2 2 0 0 cece cece cece ene I I m me Ie eme e eme enne e esee nenne 12 WIIG Uo SERRE 31 intend 37 Setting indoor unit option switch and key function m eme mene 38 Inspection and check operation ppp eem e ee hehehe erre nnn 44 Charging refrigeralit rex ON RS 47 PUMP DOWN
30. XE _IM_11ge_33604A 11_EN indd 46 2015 06 29 2 37 46 Charging refrigerant gt TheR 410A refrigerant is blended refrigerant Add only liquid refrigerant gt Measure the quantity of the refrigerant according to the length of the liquid side pipe Add quantity of the refrigerant using a scale Important information regulation regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere HSITDNA Inform user if system contains 3 kg or more of fluorinated greenhouse gases In this case it has to be checked for leakage at least once every 12 months according to regulation n 842 2006 This activity has to be covered by qualified personnel only In case situation above 3 kg or more of R 410A installer or recognized person which has responsibility for final check has to provide a maintenance book with all the information recorded according to REGULATION EC N 842 2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May 2006 on certain fluorinated greenhouse gases Please fill in the following with indelible ink on the refrigerant charge label supplied with the product gt 1 The factory refrigerant charge of the product gt 2 The additional refrigerant amount charged in the field gt 2 The total refrigerant charge Indoor unit vd ow c 2 l b Refrigeran
31. a 15 or less Moisture transpiration grade g m 24h 15 or less Formaldehyde dispersion mg L Oxygen rate 96 25 or more Selecting the insulation of refrigerant pipe gt Insulate the gas pipe and liquid pipe by referring to the thickness of insulator for each pipe size gt The standard condition is 30 C with humidity less than 85 In the conditions of high humidity use one grade thicker Insulation Cooling Heating Standard High humidity Pipe Pipe size mm Remarks 30 85 30 C 85 or more EPDM NBR 06 35 09 52 9t Liquid pipe 012 70 050 80 13t lt 26 35 13t 19t 09 52 Heat resisting temperature is 012 70 more than 120 C Gas pipe 015 88 19t 25t 019 05 022 23 28 RD MHXE IM 11ge 33604 11 EN indd 28 2015 06 29 2 37 44 Insulating refrigerant pipe gt You must insulate refrigerant pipe Y joint header joint and pipe connection area gt Ifyou insulate the pipes the condensed water does not fall from the pipes gt Check if there are any insulation cracks on the bent pipe Insulation Insulation Indoor unit HSITDNA Indoor unit Gas side pipe Liquid side pipe Install the insulation to be overlapped Fix securely without any gap Pipe insulation Pipe insulation after insulating EEV kit i ion of th and liquid pipes can be in contact me or
32. ant units This product has been determined to be in compliance with the Low Voltage Directive 2006 95 EC the Electromagnetic Compatibility Directive 2004 108 EC and the Machinery Directive 2006 42 EC of the European Union 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 Making such changes or improper connections may damage the units and 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 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 SAMSUNGS technical support if the unit produces smoke if the power cable is hot or damaged or if the unit is very noisy Always remember to inspect the unit electric connections refrigerant tubes and protections regularly These operations should be performed by qualified personnel only The unit contains moving parts which should always be kept out of the reach of children Do not attempt to repair move alter or reinstall the unit If performed by unauthorized personnel these operations may cause electric shocks or fi
33. ause serious damage to the part within the product Do not touch the refrigerant pipe during or right after the operation Refrigerant pipe may be hot or cold during or right after the operation depending on the status of the refrigerant which flows through the refrigerant pipe compressor and other parts of the refrigerant cycle If you touch the refrigerant during or right after the operation you may get burns or frostbite CAUTION Do not operate the product with its panel or protection nets off There is risk of personal injury from the parts that rotates heated or with the high voltage Do not turn off the main power immediately after stopping the operation Wait for at least 5 minutes before turning off the main power If not water leakage or other problems may occur Connect all the indoor units and the power supply for the outdoor unit and run auto or manual address setting Run auto or manual address setting after changing the indoor unit PCB 44 RD MHXE _IM_11ge_33604A 11_EN indd 44 2015 06 29 2 37 46 Inspection before check operation 1 Check the power cable and communication cable of the indoor and outdoor unit Supply power to the outdoor unit 3 hours before check operation to pre heat the crank case heater 3 Before supplying the power use a voltmeter and phase tester to check the voltage and the phase R S T terminal check the 380 V 415 V between wires R S S T T R 220 240 between wir
34. bal 4way cassette 0 45 0 45 0 45 0 45 0 57 0 69 0 69 a Floor Standing Unit 0 22 0 32 0 32 i Global mini 4way cassette AM FNNDEH EU 0 29 0 29 0 29 0 37 0 37 0 37 Slim duct 0 24 0 24 0 24 0 24 0 45 0 45 0 42 0 42 0 62 0 62 MSP duct S AM FNMDEH EU 0 24 0 24 0 24 0 28 0 28 0 28 0 32 0 54 0 68 0 68 Ceiling 0 39 0 39 0 56 0 56 Console 0 27 0 27 0 27 Neo forte 0 24 0 24 0 24 0 36 0 36 Neo forte with EEV 0 24 0 24 0 24 0 36 0 36 0 36 HSP duct 0 68 0 68 0 68 Duct 0 68 Duct S 0 22 0 22 0 22 0 22 0 31 0 38 0 38 0 38 Duct S 0 31 0 31 0 38 0 38 0 38 Duct S 0 38 0 38 0 38 Ex When the indoor unit AMO22FN1DEH EU and AMO56FN4DEH EU are combinated Additional refrigerant charging 250g 450g 700g 3 Thetotal amount of additional refrigerant charging the amount of refrigerant charging for pipe the amount of refrigerant for each indoor unit Ex The amount of additional refrigerant charging 3600g 700g 43000 Connecting the drain hose to the outdoor unit When using the air
35. by an electric power company Refer to the circuit diagram attached to the outdoor unit for detailed wiring work Wiring work should be performed after disconnecting main circuit breaker and Y joint switch You must perform grounding work Grounding resistance value should be less than 1000 When ELCB is installed protective grounding resistance value can be applied When the ELCB is 100mA 0 1sec protective grounding resistance value should be less than 2500 at a place where electric danger is high and should be less than 5000 at other places gt Electric wiring circuit diagram displays outline only vvvvy HSITDNA gt connect a heater to an outdoor unit and do not install a duct which you arbitrarily remodeled Failure to do so may result in reduced capacity of an air conditioner electric shock and fire gt Do not connect the grounding wire to that of gas pipe water pipe lightning rod or telephone Gas pipe If the gas leaks explosion or ignition may occur Water pipe If rigid vinyl pipe is used grounding effect will not work Grounding wire and lightning rod of telephone The electric potential of grounding wire may rise abnormally in the falling of a thunderbolt gt The ELB for ground fault protection only should be combined with MCCB or fuse equipped load breaker switch In this case you should use the one that has at least the same or more capcity as fuse capacity or the rated current of MCCB
36. d in a closed space or room even though HSITDNA R 410a is not poisonous or flammable Install railing around the outdoor unit to prevent it falling when the unit is installed on a high place such as the roof of the building Avoid installing the units in places near an exhaust pipe and ventilating opening exposed to corrosive gas oxides of sulfur ammonia gas or sulfur gas herbicides These places need additional anticorrosive treatments Please contact manufacture to avoid corroding copper pipes or soldered parts There shouldn t be any inflammable material such as wood and oil around the indoor unit Otherwise external fire may spread to the product According to the condition of power supply electric noise or unstable voltage can occur malfunction of electric parts or control system At the ship or places using power supply from electric generator etc Indoor Unit Remote Control 0 Breaker 1m or more Outdoor Unit gt Make sure that the water dripping from the drain hose runs away correctly and safely gt You should repaint or protect the damaged part so that the paint of the cabinet does not peel off and become rusty during installation When the cabinet becomes rusty the life of an outdoor will be reduced RD MHXE IM 11ge 33604A 11 EN indd 7 2015 06 29 2 37 38 Installation location gt Make a space for ventilation and service as seen in
37. electric current Total electric current Defrost correction Defrost correction option option K13 K14 K15 K16 RD MHXE IM 11ge 33604A 11 EN indd 39 39 2015 06 29 2 37 45 HSITDNA Setting indoor unit option switch and key function DIP S W specification setting Series Content SEGI SEG2 SEG3 SEGA Remark switch presses 1 Heating refrigerant charging inis i L 2 2 Heating trial operation K1 l 3 Heating pump out 1 4 Vacuum 0 5 Completion 1 Cooling refrigerant charging L 2 Cooling trial operation L K2 LI 3 Cooling pump down H 4 Completion K3 Reset gt K4input display order 1 Current frequency 2 Target frequency 3 Outdoor temperature 4 Discharge temperature 5 OLP temperature 6 COND temperature 7 Double pipe out tube temperature 8 High pressure value 9 FAN RPM 10 ESC EEV 11 MAIN EEV 12 Present running current 13 Number of connected indoor units 14 Number of operating indoor units 15 Sum of indoor unit capacity When pressing K4 for 5 seconds version display mode will appear 1 MAIN MICOM version 2 INVERTER MICOM version 3 EEPROM version 40 RD MHXE IM 11ge 33604A 11 EN indd 40 2015 06 29 2 37 46 Series
38. ensures space for service Installation 15 the outdoor unit fixed securely Have you checked the external surface and the inside of the indoor unit Is the place well ventilated and has enough space been allowed for service Have you checked if the center ofthe indoor unit is ensured and it is installed horizontally Have you selected correct pipes Are the liquid and gas valve open 15 the total number of connecting indoor units within the allowable range Are the length and the height difference between the refrigerant pipes within the allowable range Is the refrigerant Y joint properly installed Has the connection of liquid and gas pipes been correctly performed Have you chosen correct insulation for pipes and have you insulated them correctly Is the pipe or connection part properly insulated Is the quantity of the additional refrigerant correctly weighed in You must record the amount of additional refrigerant charging on the service record paper placed outside the outdoor unit Refrigerant pipe work Have you checked whether the drain pipes of the indoor unit and outdoor unit are connected together Installing drain pipe Have you completed the drain test Is the drain pipe properly insulated Are the power cable and communication cable tightened firmly on the terminal board within the range of rated tightening torque Have you performed the earthing work 3 to the outdoor unit 15
39. es L N When the power is supplied outdoor unit will execute tracking to check the indoor unit connection and other options 5 Write down the installation report on the service history report paper attached on the front part of the control box HSITDNA Supply power to the outdoor unit 3 hours before check operation to pre heat the crank case heater CAUTION 6 Guaranteed range of check operation For correct judgment you must perform check operation in below indoor outdoor temperature condition 50 40 30 Cooling Heating Outdoor temperature C 5 10 15 20 25 30 35 40 45 Indoor temperature C Check operation selects and operates cooling heating mode automatically In the temperature range marked with slashed pattern system protection control may trigger during operation It may be hard to judge the check operation correctly due to protection control operation When the temperature is outside of guaranteed range accuracy of judgment on check operation may decrease near boarder line area 45 RD MHXE _IM_11ge_33604A 11_EN indd 45 2015 06 29 2 37 46 Inspection and check operation Check operation 1 UseKEY MODE to run check operation When the check operation is not completed UP unprepared will appear on the LED after the communication check and restrict compressor from operatin
40. es of liquid side and gas side should not contact each other nor should they contact to the product Vibration may cause damage Low pressure Gas side to the pipes High pressure Liquid side Outdoor unit refrigerant pipe connection Classification Front flank rear side of pipe connection Bottom side of pipe connection Separate the knock out hole at the bottom side of the unit and install the pipe After installing and insulating the pipe close up the remaining gap If the gap remains open small animals such as rats and squirrels may get inside the unit and cause damage to the unit First remove the pipe cover from unit Separate the knock out hole to use If the hole is open small animals such as squirrels and rats may get into the unit through the hole and the unit may be damaged Working process 17 RD MHXE IM 11ge 33604A 11 EN indd 17 2015 06 29 2 37 40 Refrigerant pipe installation Refrigerant pipe installation examples Using a Y joint Using a Y joint EEV kit Allowable length of the refrigerant pipe and the installation examples Connection by Y joint Outdoor unit x eV e ee RENE IAE COGUNT e C D E E
41. g UP Mode will be cleared automatically when check operation is completed Check operation may proceed from 30 minutes maximum 50 minutes depending on the operation status During check operation noise can be generated due to valve inspection Check the product if abnormal noise occurs continuously 2 When error occurs during check operation check the error code and take appropriate measures Refer to service manual if you need inspection or when other errors occur 3 When check operation ends use S NET pro or S CHECKER to issue a result report Refer to service manual for further actions if you have any items with inspection required sign on the result report After taking appropriate measure for the items with inspection needed sign run the check operation again 4 Checkthefollowing items by running cooling heating trial operation Check if cooling heating operation performs normally Individual indoor unit control Check for air flow direction and fan speed Check for abnormal operation noise from the indoor and outdoor unit Check for proper draining from the indoor unit during cooling operation Use S NET pro to check the detail operation status 5 Explain to the user how to use the air conditioner according to the user s manual 6 Handoverthe installation manual to the customer so they can keep it with them Automatic refrigerant amount detection function Checking th amount of refrigerant 46 RD MH
42. ge pressure the pipes may be damaged Apply pressure using pressure regulator Continue to apply pressure for minimum After applying Nitrogen gas check the change of pressure using 24 hours to check if the pressure drops pressure regulator If the pressure is changed apply soapy water to check the leak Check If the pressure drops check if there is a gas leak the pressure of the gas again Maintain 1 0 MPa gauge pressure of the pressure before performing vacuum drying and check for further gas leak After checking first gas leak maintain 1 0 MPa gauge pressure to check for further gas leaks Nitrogen gas If the joint of high pressure side is disconnected and the nitrogen gas come into contact with human body injury IcAUmoN may occur Tighten the joint connection firmly to prevent dangerous situation 24 RD MHXE IM 33604 11 EN indd 24 2015 06 29 2 37 42 Vacuuming a pipe and an indoor unit gt Use the tools for R 410A only to prevent the inflow of foreign substances and resist against the internal pressure gt Use the vacuum pump with the check valve to prevent pump oil from flowing backward while the vacuum pump is stopped suddenly gt Use the vacuum pump that can be vacuumed up to 666 6Pa bmmHg gt Close the service valve ofthe liquid side pipe gas side pipe completely when performing air tightening test
43. indoor unit 175m pipe Indoor units T The main pipe a from the outdoor unit to the first Y joint should be less than Main pipe length 110m Total length The sum of total length of pipes should be less then 300m Maximum Outdoor Height H1 The difference in height between an outdoor unit and indoor unit 50m allowable unit mu height Indoor Ims Height H2 The difference in height between indoor units x 15m The distance between the first Y joint The distance between the header J Maximum allowable and the farthest indoor unit lt 40m vin ActualLength joint the indoor unit lt 40m length after Y joint Ex 8 indoor units Ex b c f g lt 40m b c d g lt 40m When the equivalent length between an outdoor unit and the farthest indoor unit exceeds 90m upgrade the low pressure pipe of the main pipe one step 20 RD MHXE IM 11ge 33604A 11 EN indd 20 2015 06 29 2S 23741 Refrigerant pipe work Refrigerant Y joint installation Install the Y joint horizontally or vertically gt Install horizontally cm TMM gt Install vertically LLLE SS NOTE RD MHXE HSITDNA When using A J type of Y joint connect the Y joint to the pipe with the provided reducer When using K Z type of Y joint connect the Y joint to the pipe by cutting the inlet of the Y joint or provided reducer properly fy CII 10 15mm or more Ins
44. ion after brazing a stopper Insulation for the yA header joint Insulation for the 7 insulation tape refrigerant pipe gt Fix the header joint with a hanger after insulating it Z Y Insulating the Y joint liquid amp gas side connecting pipe gt Attach the insulation provided with the Y joint to the insulation purchased privately without a gap Wrap the connected part with insulation Purchased privately of a thickness of at least 10mm gt Use insulation that should be able to handle an interior temperature of over 120 C Wrap the Y joint with insulation of a thickness of at least 10mm Pipe insulation Insulation tape Purchased privately Purchased privately Provided insulation Fix securely without any gap Fix cri without L Pipe insulation Purchased Pipe insulation Purchased privately privately Attach the adhesive insulation tape Thickness of the insulation Purchased privately to the pipe as shown in the picture should be at least thicker than 10mm after insulating the pipe 30 RD MHXE _IM_11ge_33604A 11_EN indd 30 2015 06 29 2 37 44 Wiring work gt Wiring work should be performed in accordance with related laws such as Technical specification on electric installation Wiring regulations or Installation manual Copper cable should be used for wiring work and all the wires or parts should be rated products Wiring work should be performed by a company certified
45. l under the selected Y joint Y joint model kW 4 1509 lt 15 0 1509 5 1509 15 0 X x 40 6 2512 6 2512 To prevent foreign materials or water from entering the pipe it is important to keep the refrigerant pipe clean and dry and seal it during installation Apply correct sealing method depending on the environment Exposure place Exposure time Sealing type Longer than one month Pipe pinch Outside exposure Shorter than one month Taping Inside exposure Taping Refrigerant pipe brazing and safety information Important information for refrigerant pipe work gt Make sure that there is no moisture inside the pipe gt Make sure that there are no foreign materials and impurities in the pipe gt Make sure that there is no leak gt Make sure to follow the instruction when brazing and keeping the pipe Nitrogen flushing brazing gt Use Nitrogen gas when brazing the pipes as shown in the picture gt Ifyou do not perform nitrogen flushing when brazing the pipes oxide may form inside the pipe It can cause the damage of the important parts such as compressor valves gt Adjust the flow rate of the Nitrogen flushing with a pressure regulator to maintain 0 05m h or less 06 35 1 4 copper pipe Brazing part K Pressure regulator Shut off valve Taping Flow meter High pressure
46. me in a residential area Install the outdoor unit on a hard and even area that can support its weight Choose a flat place where rainwater does not settle or leak Choose a place that will avoid strong winds v www Choose a place that is well ventilated and allows enough space for repairs and service Discharge duct can be purchased privately v Choose a place where the connection of refrigerant pipe between an indoor unit and outdoor unit is within allowed distance Make sure that the condensed water dripping from the drain hose runs out properly and safely Choose a place where flammable gas does not leak Choose a place where the unit could not come into contact with snow and rain v www When installing the outdoor unit near sea shore make sure it is not directly exposed to sea breeze When installing the outdoor unit near sea shore consult the qualified installer since the places above require additional measures for corrosion resistance You should remove salt and dust of a heat exchanger at least once a year When installing an outdoor unit near sea shore gt When installing an outdoor unit near sea shore it should be placed behind a building or surrounded by wind protection wall gt Install the outdoor unit in a place where water can drain smoothly Outdoor unit Sea breeze E Sea breeze Outdoor unit Sea Sea Protection
47. n Switch Function Night s quiet K9 K10 ON ON Disuse Night s quiet mode ON OFF STEP 1 OFF ON STEP 2 OFF OFF STEP 3 42 RD MHXE _IM_11ge_33604A 11_EN indd 42 2015 06 29 9 z 239746 gt K11 K12 Changing heating capacity correction table Switch Function K11 K12 ON ON Default ON OFF Default 196 kPa OFF ON Default 98 kPa OFF OFF Default 98 kPa HSITDNA Heating operation increases frequency when current high pressure is higher than target high pressure vice versa decreases frequency When target high pressure is high the discharge air temperature of an indoor unit will increase but energy consumption will increase as well Maintaining factory default status is recommended However if you want to reduce energy consumption or you are not satisfied with heating performance control the operation according to the surrounding environment As you decrease the target high pressure energy consumption and noise may decrease but indoor air discharge temperature decreases as well gt K13 K14 Changing current limit option table Switch Function K13 K14 4HP 5HP 6HP ON ON Default Default Default ON OFF Default 4 Default 2 A Default 2 A OFF ON Default 6 A Default 4 A Default 4 OFF OFF Default 8 A Default 6 A Default 6 A Classification Model Default 4HP
48. nd flow direction Check whether you can hear abnormal sound from indoor unit and outdoor unit Check whether the drainage is done correctly in cooling Check S net Pro for detailed operation gt Explain to the user the usage of the air conditioner by referring to the users manual Tum on the outdoor unit 3 hours before the test operation to preheat the compressor If the compressor is not preheated CH may appear on the outdoor unit PCB depending on the outdoor temperature Writing and keeping installation checking card gt Installation checking card is enclosed with the installation manual Installer should fill out the front side ofthe card meticulously Write basic information such as date of installation name of an installer contact information supervision company etc Write additional information such as the name of outdoor unit models unusual calculation of the additional amount of refrigerant etc Write indoor unit related information such as indoor unit installation location indoor unit model name etc gt Keep the installation checking card in a designated place and do not lose it Installation checking card 52 RD MHXE IM 11ge 33604A 11 EN indd 52 2015 06 29 2 37 47 ype Mode pru W XH m mm RDO40MHXEA 100 940x1 210x330 RDOSOMHXEA 100 940x1 210x330 RDO4OMHXGA 100 940x1 210x330 RDOSOMHXGA 100 940x1
49. ng test refrigerant oil use and also the measurement is additional refrigerant Vacuuming charging and not available due to the high pressure checking operation Refrigerant charging charging Need exclusive one due to the refrigerant hose leakage or inflow of impurities Compatible Use products which contain the check valve to prevent the oil from flowing Vacuum pump Vacuum drying backward into the outdoor unit Use the one that can be vacuumed up to 100 7kpa 5Torr 755mmHg Scale for refrigerant das Charging refrigerant Compatible Need exclusive one Gas leak detector Gas leak test The one for R 134a can be used You must use the flare nut equipped with product Flare nut Refrigerant leakage may occur when the conventional flare nut for R 22 is used 12 RD MHXE _IM_11ge_33604A 11_EN indd 12 2015 06 29 2 37 39 Selecting refrigerant pipe Temper grade and minimum thickness of the refrigerant pipe Outer diameter mm Minimum thickness mm Temper grade 96 35 0 7 09 52 0 7 Annealed 012 70 0 8 015 88 1 0 019 05 0 9 Drawn 922 23 0 9 For pipes larger than 19 05 drawn type C1220T 1 2H or C1220T H type copper pipe must be used If a annealed type C1220T O copper pipe is used pipe may break due to its low pressure resistance and cause CAUTION n personal injury Pipe installation between an outdoor unit and the first Y joint
50. oard O Q 36 RD MHXE IM 33604 11 EN indd 36 2015 06 29 2 37 45 Grounding work If the power distribution circuit does not have a grounding or the grounding does not comply with specifications a ground rod must be installed The corresponding accessories are not supplied with the air conditioner 1 Select a grounding rod that complies with the specifications given in the illustration iid wire Carbon Z Compressed ring terminal Terminal M4 lt PVC insulated green yellow wire HSI IDN3 2 Select a proper place for the grounding rod installation In damp hard soil rather than loose sandy or gravel soil that has a higher grounding resistance Away from underground structures or facilities such as gas pipes water pipes telephone lines and underground cables Atleasttwo meters away from lightening as in a storm conductor 50cm The grounding wire for the telephone line cannot be used to ground the air conditioner CAUTION 3 Install a green yellow coloured grounding wire Refer to the Wiring work for the specification of grounding wire When the grounding wire is too short extend the grounding wire but bind the connection part with insulation tape Do not bury the connection Secure the grounding wire in position with staples AN When the grounding rod is installed in a place where man
51. on area to prevent refrigerant leak R 410A is a high pressure refrigerant Therefore there is a risk of refrigerant leakage if the flare connection is not coated with ester oil 16 RD MHXE IM 33604A 11 EN indd 16 2015 06 29 2 37 40 Pipe installation for an outdoor unit Pipe direction The refrigerant pipe can be pulled out from front flank rear and bottom side so install it depending on the installation site condition Caution for using knock out hole caution Make sure not to damage the exterior of the outdoor unit Remove all burrs at the edge of the knock out hole and apply the paints it to prevent rust Usea cable tube and bushing to prevent a cable from being damaged when passing HSITDNA through a knock out hole After installing pipes block the unused knock hole to prevent small animal from entering However the radiant heat hole A should be able to intake air Caution for connecting the pipe caution When brazing the pipe the unit may get damaged by a brazing fire and a flame Use a flame proofing cloth to protect the unit from a brazing fire or flame The O ring and Teflon packing inside service valve may get damaged by a brazing fire Wrap the bottom side of the service valve with a wet cloth and braze it as shown above Make sure not to interrupt the brazing with the drips from the wet cloth The connecting pip
52. or EEV kits When the ambient temperature is low in winter time do not heat the refrigerant container to speed up the charging process There is risk of explosion Beware for possibility of refrigerant leakage when you connect the manifold gauge to the charging port for heating Close the valve of the refrigerant container immediately after charging the refrigerant If not there might be a change in entire amount of refrigerant 48 RD MHXE _IM_11ge_33604A 11_EN indd 48 2015 06 29 2 37 47 Pump Down The object of pump down gt You can reduce as much refrigerant leakage as possible during product movement or repair by collecting the refrigerant to the outdoor unit Caution for pump down procedure gt The amount of refrigerant that can be put into an outdoor unit is limited due to the slim shape of the outdoor unit gt Before performing pump down most of the refrigerant should be put into an empty container at first The maximum amount of refrigerant that can be put into the outdoor unit is 5kg gt When the amount of system refrigerant exceeds the amount of maximum receptive capacity compressor trip or damage by fire might be caused Pump down procedure Before performing pump down collect the refrigerant into the empty container Turn off the manifold gage Turn off the service valve of liquid pipe side Press K2 button on the outdoor unit PCB three times Fis displayed on outdoor PCB L
53. res Do not place containers with liquids or other objects on the unit All the materials used for the manufacture and packaging of the air conditioner are recyclable The packing material and exhaust batteries of the remote controller optional must be disposed of in accordance with current laws 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 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 For use in Europe This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision When the product operates in heat mode during winter time it operates protection mode when the
54. rizontally on the ground 150mm or more 7 7 lt When installing on the ground gt lt When installing on the roof gt Drain hole 150mm or more HSITDNA gt The outdoor unit should be supported within the range of measurement below for base ground work Unit mm Anchor bolt position 940 gt When the outdoor unit needs to be supported fix it with wire as shown in the picture Slightly unwind the four screws on the cover top of the outdoor unit Wind wires round the four screws and fasten the screws again Fixthe wires to the ground A If the outdoor unit is not fixed securely product may fall and it might cause loss of life or property damage Do not install the outdoor unit on a wood palette Fix the outdoor unit securely to the base ground with anchor bolts The manufacturer is not responsible for the damage occurred by not adhering to the standard of the installation To protect the outdoor unit from external condition such as rain install it on the base ground and connect the drain pipe to the drainage 11 RD MHXE IM 11ge 33604A 11 EN indd 11 2015 06 29 2 37 39 Refrigerant pipe installation Refrigerant pipe work gt The length of refrigerant pipe should be as short as possible and the height difference between an indoor unit and outdoor unit should be minimized The piping length between the outdoor unit and the indoor unit may not exceed the allowable piping
55. ssure of high pressure side went below 30kg cm g open the manifold gage side valve 2 that is connected to the liquid pipe and refrigerant container valve Then run the refrigerant from liquid pipe to refrigerant container gt Check whether the proper amount of refrigerant are put into the container using a scale turn off the valve and remove the manifold gage gt Theamount of refrigerant that can be put into the refrigerant container should be about 50 of all refrigerant of the whole system vvv v gt Do not collect too much refrigerant in one refrigerant container Outdoor unit Gas side R 410A Refrigerant container valve Valve 2 Service valve Manifold gage 50 RD MHXE IM 11ge 33604A 11 EN indd 50 2015 06 29 2 37 47 Checking lists after finishing installation gt Before supplying power measure the power terminal L N and outdoor unit grounding using insulation resistance tester The measured value should be above You must not measure the communication terminal since the communication circuit may get damaged CAUTION Check the short circuit using a circuit tester HSITDNA Have you secured air discharge profile at the bottom of service cover Have you checked the external surface and the inside of the outdoor unit Outdoor unit e Is there any possibility of short circuit due to the heat of an outdoor unit 15 the place well ventilated and
56. stribution board Outdoor unit Indoor unit 3 phase 1 phase 4 wires O 2 wires 220V 240V Wired remote controller You must install an earth leakage breaker ELCB Earth Leakage Circuit Breaker MCCB Molded Case Circuit Breaker ELB Earth Leakage fuse breaker Manufacturers are not responsible for fire caused by not installing ELCB or MCCB Install the cabinet panel near the outdoor unit for service convenience and emergency operation switch off You must install a circuit breaker that can prevent excess current and shut off the electric leakage on the outdoor unit 33 RD MHXE _IM_11ge_33604A 11_EN indd 33 2015 06 29 2 37 45 Wiring work Specification for circuit breaker and power supply cord gt Power supply cord is not supplied with air conditioner gt Select the power supply cord in accordance with relevant local and national regulations gt Wire size must comply with the applicable local and national code The appliance shall be provided with a certified power supply cord and interconnection cord complying with the national regulations of the countries in which the appliance is to be sold Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord Code designation IEC 60245 IEC 57 CENELEC HO5RN F v Model Voltage MCA MFA Ssc value MVA RDO40MHXE 22 275 Note1 AM040 XMDE
57. t type GWP value U Td Outdoor unit R 410A 2088 GWP Global Warming Potential Factory refrigerant charge of the product see unit name plate Additional refrigerant amount charged in the field Refer to the above information for the quantity of refrigerant replenishment Total refrigerant charge Refrigerant cylinder and manifold for charging The filled out label must be adhered in the proximity of the product charging port X onto the inside of the stop valve cover 47 RD MHXE _IM_11ge_33604A 11_EN indd 47 2015 06 29 2 37 46 Charging refrigerant Charging refrigerant gt Open manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant gt Ifyou cannot add the whole quantity of the refrigerant while the outdoor unit is stopped open the gas side and liquid side service valve Then add remaining refrigerant by pressing the refrigerant adding button of the outdoor PCB Outdoor unit Gas side Liquid side R 410A Inject liquid refrigerant Vacuum port Open the gas side and liquid side service valve completely after charging the refrigerant If you operate the air CAUTION conditioner with the service valve closed the important parts may be damaged Put on safety equipment when charging refrigerant Do not charge the refrigerant when you adjust or control other product such as indoor units
58. tall the Y joint within 15 on the horizontal or on the vertical caution Make sure that the pipe does not break at Y joint and pipe connection Keep a minimum straight line distance of 500mm or more before connecting Y joint Connect to other branch joint Rear orindoor unit qi Reducer Pipe connection Reducer Pipe Gas liquid side Y joint Connect to outdoor unit Install the Y joint within X15 on the horizontal or on the vertical _IM_11ge_33604A 11_EN indd 21 Minimum straight line distance 500mm or more 21 2015 06 29 2 37 41 Refrigerant pipe installation Correct use Incorrect use The insertion depth of connecting pipe The insertion depth of connecting pipe Basic specification When cutting connection part Connecting pipe Connecting pipe AN When inserting connecting pipe into the Y joint please comply with the installation regulation CAUTION Refrigerant header joint installation gt Select the reducer fitted on the diameter of the pipe Liquid side Gas side Supplied Reducer Reducer Pipe Purchased Pipe Purchased rivatel Pipe Purchased Pipe Purchased privately d privately ND privately SA To indoor unit To outdoor unit To indoor unit To outdoor unit Reducer Reducer gt Block the unused pipes end with caps if the number of connected indoor unit is fewer than header joint
59. 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 will NOT be considered part of the warranty and will be charged to the end customer Power supply line fuse or circuit breaker gt 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 gt Always verify that a suitable grounding connection is available gt Verify that the voltage and frequency of the power supply comply with the specifications and that the installed power is sufficient to ensure the operation of any other domestic appliance connected to the same electric lines gt Always verify that the cut off and protection switches are suitably dimensioned gt Verify that the air conditioner is connected to the power supply in accordance with the instructions provided in the wiring diagram included in the manual gt Always verify that electric connections cable entry section of leads protections are compliant with the electric specifications and with the instructions provided in the wiring scheme Always verify that all connections comply with the standards applicable to the installation of air conditioners gt Devices disconnected from the power supply should be completely disconnected in the
60. tory Model Refrigerant Factory charge kg RDO40MHXE 32 4 RD050MHXE RDO60MHXE 33 AM060 XMDEH R 410A RDO40MHXG 32 AM040 XMDGH RDOSOMHXG 32 AM050 XMDGH RD060MHXG 33 AM060 XMDGH gt Charging additional refrigerant The amount of additional refrigerant charging The amount of refrigerant charging for pipe the amount of refrigerant correction charging for an indoor unit 1 Theamount of additional refrigerant depending on the pipe size Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length Size of liquid pipe mm 6 35 9 52 127 15 88 Additional amount kg m 0 02 0 06 0 125 0 18 Additional refrigerant charging calculation The sum of total length of 9 52 liquid pipe m x 60g the sum of Ex 9 52 40m b c d 9 52 15m e f g 6 35 15m The amount of additional refrigerant 55m x 60g 15m x 20g 3600g 26 RD MHXE _IM_11ge_33604A 11_EN indd 26 total length of 6 35 liquid pipe m x 20g 2015 06 29 2 37 43 2 Theamount of additional refrigerant for each indoor unit Unit kg eem SN se s ee cese es c Ez I ERE Slim 1way cassette JSF 0 25 0 25 0 25 2way cassette AM FN2DEH EU 0 31 0 31 m Glo
61. y people pass by you must fix it firmly CAUTION 4 Carefully checkthe installation by measuring the grounding resistance with a ground resistance tester If the resistance is above required level drive the grounding rod deeper into the ground or increase the number of grounding rods 5 Connectthe grounding wire to the electrical component box inside ofthe outdoor unit 37 RD MHXE IM 11ge 33604A 11 EN indd 37 2015 06 29 2 37 45 Setting indoor unit option switch and key function PBA shape Series OE S W for setting number of connecting indoor units i 12 Oo B 0 all mum 0 E Q Q NN qc Re Cm 1 7 SEGMENT DIP S W lt EE IPTE DISPLAY K5 K16 Series S W for setting number of connecting indoor units um DIP S W K

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