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1. Connection by Y joint EEV kit Outdoor unit 18 AMO FXMDCH_IM_EN_03408A 1 indd 18 2013 03 04 2 4 28118 Classification Y joint connection Y joint EEV kit connection A The distance between the outdoor unit and the farthest indoor unit lt 150m 492 ctual Length Ex 8 indoor units Ex 6 indoor units a b c d e f g ps lt 150m 492 a b c d j lt 150m 492 Maximum S Outdoor unit Equivalent allowable oo The distance between an outdoor unit and the farthest indoor unit lt 175m 574 length of ma length g pipe Main pipe The main pipe a from the outdoor unit to the first Y joint should be less than 110m fay length 361 a En The sum of the total length of pipes should be less then 300m 984 Maximum Outdoor unit Height H1 The difference of height between an outdoor unit and indoor unit lt 50m 164 allowable Indoor height units Height H2 The difference of height between indoor units lt 15m 49 The distance between the first Y joint and Allowable lendthib t EEV kitand i the farthest ind it lt 40m 131 Wan e Sng WEEN iyan Maximum allowable length Actual erate goer Hn m 131 an indoor unit lt 20m 65 after Y joint Length Ex 8 indoor units f i F Ex h l j lt
2. Insulation a A I Insulation 1 Liquid pipe Gas pipe Gas pipe Liquid pipe 28 AMO FXMDCH_IM_EN_03408A 1 indd 28 2013 03 04 2 4 28 24 A Install the insulation not to be get wider and use adhesive on the connection part of it to prevent moisture CAUTION 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 Additional insulation HSITDNA Insulation for refrigerant pipe l Insulating the header joint gt Fasten the header joint using a cable tie and cover the connected part Insulation P Insulate the header joint and the brazing part and wrap the connected part with an adhesive insulation tape to prevent dew formation Adhesive insulation Insulation after brazing a stopper tape x Is N Insulation for the gt nsulation for the header joint refrigerant pipe Adhesive insulation tape gt Fix the header joint with a hanger after insulating it A WY A oo oo offo gt VUUUUUU 29 AMO FXMDCH_IM_EN_03408A 1 indd 29 2013 03 04 2 4 2824 Refrigerant pipe installation l Insulating the Y
3. 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 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 HSITDNA 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 l Inspection before check operation 1 Check the power cable and communication cable of the indoor and outdoor unit 2 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 230V between wires R S S T T R 4 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 Supply pow
4. 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 300 12 or gt 150 6 or more 600 24 or more The upper part of the outdoor unit is blocked and theair When the walls are blocking front and the rear of the outlet is opposite the wall 300 12 or more g ta 500 20 or AMO FXMDCH_IM_EN_03408A 1 indd outdoor unit 300 12 or more 1500 60 or more 2013 03 04 2 4 28 14 When installing more than 1 outdoor unit Unit mm inch When 3 sides of the outdoor unit are blocked by the wall 300 12 or more HSID5Nj gt lt a E 300 12 or 600 24 or 600 24 or 600 24 or more more more more When the walls are blocking front and the rear of the outdoor units LLLLLL LLL DALL LLL U U U DOA TT 3 600 24 or more aa 600 24 or more y o When front and rear side of the outdoor unit is toward the wall b bL _ 1500 60 or 600 24 or 3000 120 or 3000 120 or 300 12 or more more more more more more 300 12 or 1500 60 or more AMO FXMDCH_IM_EN_03408A 1 indd 9 2013 03 04 2 4 28 14 Installation location l Moving the Outdoor Unit P Select the moving route in advance P Be sure that moving route is safe from the weight of the outdo
5. v v y Close the service valve of the liquid side pipe gas side pipe completely when performing air tightening test or vacuum drying HSID5Nj Connectthe manifold gaugeto theliquid pipe and gas pipe Vacuum Vacuum the liquid pipe and gas pipe Make sure to install check valve to prevent pump oil from pump 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 5 torr Check whether the pressure is maintained as 100 7 kPa gauge pressure 5 torr for an hour Check the gas leak Vacuum destruction due to the moisture inside the pipe Apply pressure with Nitrogen gas of 0 05 MPa gauge pressure 7 25 psig Pressure Increase No 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 No Yes Pressure Increase A Ifthe pressure rises in an hour either water remains inside the pipe or there will be a leak 25 AMO FXMDCH_IM_EN_03408A 1 indd 25 2013 03 04 2 4 28121 AMO FXMDCH_IM_EN_03408A
6. 20m 65 b c d e f g p lt 40m 131 EEV Kit Model name Remarks MEV E24SA 2m 6 6 or less 1 indoor MEV E32SA MXD E24K132A MXD E24K200A 2 indoor EEV Kit Apply to products Actual pipe lengh MXD E32K200A without EEV Wall Indoor units ai mounted amp ceiling 20m 66 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 295 upgrade the low pressure pipe of the main pipe one step AMO FXMDCH_IM_EN_03408A 1 indd 19 19 2013 03 04 2 4 2819 Refrigerant pipe installation Connection by header joint Outdoor unit A a Header joint H1 x e 4 a Connection by Y joint header joint Indoor unit O Outdoor unit O T Header joint a ig x A Be e f g Y joint 3 4 5 H1 b B p H2 d 1 Indoor unit Classification Header joint connection Y joint header joint connection A i The distance between an outdoor unit and the farthest indoor unit lt 150m 492 ctua Length Ex 8 indoor units Ex 8 indoor units Maximam a g lt 150m 492 a b c lt 150m 492 Outdoor Equivalent allowable aniis Th
7. 3 0 3 0 5 0 5 7 0 3 0 011 0 011 0 011 0 5 0 019 0 5 0 019 0 019 0 019 Allowance mm inch 0 2 0 007 0 2 0 2 0 2 0 007 0 2 0 007 0 2 0 4 0 007 0 007 0 007 0 015 Standard dimension 45 114 13 3 F inda 3 4 1 8 3 16 5 8 1 4 7 7 5 16 9 4 3 8 7 16 1 2 0 2 0 2 0 3 0 4 Allowance mm inch 0 2 0 007 0 007 0 007 0 2 0 007 0 2 0 007 0 011 0 015 4 79 9 5 175 18 5 E Min 6 1 4 5 16 5 16 11 3 8 12 5 1 2 ite 3 4 E Min 5 3 16 9 3 8 9 3 8 13 1 2 15 5 8 13 1 2 13 1 2 end 20 3 4 L Ma 20 3 4 28 5 30 33 34 1 3 8 38 43 50 51 1 1 8 1 3 16 1 5 16 1 1 2 1 11 16 1 96 2 00 Standard dimension 43 84 8 4 8 4 8 4 8 4 A 8 4 1 3 16 8 4 1 3 16 mm inch 3 16 1 3 16 1 3 16 1 3 16 13 16 13 16 1 3 16 1 3 16 d2 0 2 04 04 04 04 04 Allowance mm inch 0 007 0 015 0 015 0 015 vee u 0 015 0 015 0 0 0 0 0 0 0 0 0 0 0 0 j 1 15 1 45 1 8 2 0 t Min 0 9 0 03 0 04 0 05 1 7 0 06 1 8 0 07 0 07 0 078 34 AMO FXMDCH_IM_EN_03408A 1 indd 34 2013 03 04 2 4 28 25 l Installing grounding wire gt Grounding must be done by a qualified installer for your safety P Use the grounding wire by referring to the specification of the electric cable of the outdoor unit Grounding the power cable gt The standard of
8. amount of refrigerant eceeee eee eee teeta tenes 47 Trial operation AMO FXMDCH_IM_EN_03408A 1 indd 2 2013 03 04 2 4 28113 Safety precautions Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment Always disconnect the air conditioner from the power supply before servicing it or accessing its internal components AY warnine 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 gt gt gt v yv v vvv vv vV vv V 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 compliant units This product has been determined to be in compliance with the
9. cassette AM0 FN4DCH AA 0 99 0 99 0 99 1 52 1 52 1 52 0 24 0 24 0 24 0 45 045 0 42 042 0 62 SMENE ee S 0 53 0 53 0 99 0 99 0 93 0 93 1 37 0 28 0 28 0 54 0 54 0 68 SK KOK MSP duct AMO gt gt FNMDCH AA pea ma ehe 0 68 0 68 1 18 1 18 HSP duct AM0 FNHDCH AA 1 50 1 50 2 60 2 60 0 24 0 24 0 24 0 36 0 36 0 36 Wall mounted AM0 FNTDCHV AA 0 53 0 53 0 53 0 79 0 79 0 79 an 0 39 0 39 Ceiling AM0 FNCDCH AA 0 86 0 86 Ex When the indoor unit AM023FN1DCH AA and AM052FNDNCH AA are combinated Additional refrigerant charging 250g 450g 670g 3 The total 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 4300g 26 2013 03 04 2 4 28121 l Connecting the drain hose to the outdoor unit When using the air 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 P Leave space of more than 50mm 1 97 inch between the bottom of the outdoor unit and the ground for installation of the drain hose as shown in figure gt Insert the drain plu
10. connection is available 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 Always verify that the cut off and protection switches are suitably dimensioned 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 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 P Devices disconnected from the power supply should be completely disconnected in the condition of overvoltage category vyv vv vy AMO FXMDCH_IM_EN_03408A 1 indd 4 2013 03 04 2 4 28113 Outdoor unit type Shape Model Coolingand Heating 1phase AM036FXMDCH AM048FXMDCH AM053FXMDCH Installation combination P You must install the indoor unit that uses R410A only gt If sum 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
11. option This reduces FAM RPM to operate the outdoor unit quietly during night operation Switch Function Night s quiet K9 K10 ON ON Disuse Nights quiet mode ON OFF STEP 1 OFF ON STEP 2 OFF OFF STEP 3 gt K11 K12 Changing heating capacity correction table Switch Function K11 K12 ON ON Default ON OFF Default 28 4 psi OFF ON Default 14 2 psi OFF OFF Default 14 2 psi 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 40 AMO FXMDCH_IM_EN_03408A 1 indd 40 2013 03 04 2 4 28127 gt K13 K14 Changing current limit option table Switch Function K13 K14 3ton 4ton 5ton ON ON Default Default Default ON OFF Maximum current 4 A Maximum current 2 A Maximum current 2 A OFF ON Maximum current 6 A Maximum current 4 A Ma
12. 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 Outdoor unit When installing a number of outdoor units you can install it on the Anchor bolt base ground 20mm P Install the H beam 150mm 6 inch x 150mm 6 inch x t10 basic Nut Spring ML Square pad specification or vibration absorption frame to jut out from the base washer ground gt After installing the H beam apply corrosion protection 75mm A R Hbeam P Install a square pad t 20mm 1 inch or more to prevent vibration 3 inch i Aioni from the outdoor unit onto the base ground Place the outdoor unit Le 0 5 1 inch or more on the H beam and fix it with the bolt nut and washer Fix with M10 l moo a basic anchor bolt nut and washer i 10 AMO FXMDCH_IM_EN_03408A 1 indd 10 2013 03 04 Q 4 2815 l Base ground work Drain hole 150mm 6 inch or more Install the outdoor unit horizontally on the ground Z 2 lt When installing on the ground gt lt When installing on the roof gt 150mm 6 inch or more Z HSID5Nj P The outdoor unit should be supported within the range of measurement below for base ground work Anchor bolt position Unit mm inch 360 14 17 384 15 11 620 24 40 940 37 00 gt When the outdoor unit needs to be supported fix it with wire as shown in the picture Slightly unwi
13. side pipe gas side pipe with Nitrogen gas of 4 1 MPa gauge pressure 595 psig If you apply pressure more than 4 1 MPa gauge pressure 595 psig 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 If the pressure drops check if there is a gas leak Check the pressure of the gas again Maintain 1 0 MPa gauge pressure 145 psig of the pressure before performing vacuum drying and check for further gas leak After checking first gas leak maintain 1 0 MPa gauge pressure 145 psig to check for further gas leaks Nitrogen gas Ifthe joint of high pressure side is disconnected and the nitrogen gas come into contact with human body injury caution may occur Tighten the joint connection firmly to prevent dangerous situation 24 AMO FXMDCH_IM_EN_03408A 1 indd 24 2013 03 04 2 4 28121 l Vacuuming a pipe and an indoor unit Use the tools for R410A only to prevent the inflow of foreign substances and resist Cr against the internal pressure Use the vacuum pump with the check valve to prevent pump oil from flowing backward while the vacuum pump is stopped suddenly Use the vacuum pump that can be vacuumed up to 100 7 kPa gauge pressure 5 torr
14. 1 indd 26 Refrigerant pipe installation l Selecting additional refrigerant charging P Basic refrigerant The basic amount of additional refrigerant charged at a factory i Factory charge Model Refrigerant kg Ibs AM036FXMDCH 3 2 7 055 AM048FXMDCH R410A 3 2 7 055 AM053FXMDCH 33 7 275 P Charging additional refrigerant 1 The amount 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 inch 6 35 1 4 9 52 3 8 12 7 1 2 15 88 5 8 Additional amount kg m Ib ft 0 02 0 013 0 06 0 040 0 125 0 084 0 18 0 121 Additional refrigerant charging calculation The sum of total length of 9 52 liquid pipe m x 60g the sum of total length of 6 35 liquid pipe m x 20g Ex a 9 52 40m 131 23 b c d 9 52 15m 49 21 e f g G 6 35 15m 49 21 The amount of additional refrigerant 55m 180 45 x 60g 15m 49 21 x 20g 3600g 2 The amount of additional refrigerant for each indoor unit Unit kg Ib Capacity kBtu 75 9 95 12 18 20 24 30 36 48 768 96 Model 0 25 0 25 0 25 1way cassette AM0 FN1DCH AA 0 55 0 55 0 55 0 37 0 37 0 37 0 37 Mini 4way cassette AM0 FNDNCH AA 0 82 0 82 0 82 0 82 0 45 0 45 0 45 0 69 0 69 0 69 fos 4way
15. 6 F 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 inch 30 C 86 F 30 C 86 F Remarks Below 85 85 or more EPDM NBR p 6 35 9 52 1 4 3 8 9t E Liquid pipe 12 70 50 80 1 2 2 13t 6 35 1 4 13t 19t 9 52 3 8 Heat resisting 012 70 1 2 temperature is more Gas pipe than 120 C 248 F 15 88 5 8 19t 25t 19 05 3 4 22 23 7 8 l Insulating refrigerant pipe P You must insulate refrigerant pipe Y joint header joint and pipe connection area P Ifyou insulate the pipes the condensed water does not fall from the pipes P Check if there are any insulation cracks on the bent pipe Insulation Clamp Indoor unit Gas side pipe Liquid side pi IIe PI Install the insulation to be overlapped Fix securely without any gap Pipe insulation Pipe insulation after insulating EEV kit The insulation of the gas and liquid pipes can be in contact with each other but they should not press excessively against each other When contacting the gas side and liquid side pipe use thicker insulation When installing the gas side and liquid side pipes leave 10mm 3 8 inch of space When contacting the gas side and liquid side pipe use thicker insulation r 10mm 3 8 10mm 3 8 10mm 3 8
16. AMO FXMDCH_IM_EN_03408A 1 indd 50 2013 03 04 2 4 28 30 AM FXMDCH Series 100 Recycled Paper imagine the possibilities Thank you for purchasing this Samsung product To receive more complete service please register your product at www samsung com register EME ER PD DB68 03408A 1 el 2013 03 04 2 4 280 AMO FXMDCH_IM_EN_03408A 1 indd 51 Contents Safety Precautions is ie aia iati EESE EEEE NEEE boactaraacassoneneseesras saat A 3 Outdoor unit typer ssi aa aE AT EEEE ETATE E E EEEE AA EENIAS SEEE A 5 Installation COMbINALION es ccc ccscsiceced sree csesedersodedeiavsaisssandesessssecca ses daasacienierodadesedestaeeseacnauinas 5 Deciding ta where to install the OUtdOOrUNIts 6c acasnacteneesia conden tenseadhhendbinariaiseascessognaaaaaadeaeer NENANA Installation location ss Installation and base ground work for an outdoor unit Refrigerant pipe installation 12 WININGIWONK E an nE cer ncetccdespuccnoanteswateaeaesesapcadacesieakagaes at esmananarneMacencamuneanease eects rinse seen 31 GoundingiWarke ew REEE E EE NE EE E EENES 36 Setting outdoor unit option switch and key function pp 37 PUMP DOWN sissien pere eee E E EA S SE EEEO EEEE 42 Checking lists after finishingiinstallation i cccsedcsvddasesesedsasapaawsasucadca anne ews na aa EE OE ET RE EEEE 44 Inspection and check Operation 2 2 cccccnudhaddadsdadacas E ERE A S E A EEE 45 Automatic refrigerant amount detection function Checking th
17. 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 Copper wire Carbon rod Com i pressed ring terminal lt 2 7 Terminal M4 PVC insulated green yellow wire 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 Atleast two meters away from lightening as in a storm conductor 50cm 1 6 ft ae The grounding wire for the telephone line cannot be used to ground the air conditioner 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 A When the grounding rod is installed in a place where many people pass by you must fix it firmly 4 Carefully check the installation by measuring the grounding resistance with a ground resistance tester If th
18. K5 K6 K7 K8 eee i NEE E F Heating capaci Heating capacit DIP switch Night s quiet option Night s quiet option n ty heb y K9 K10 K11 K12 Total electric current Total electric current Detiost conection Danas conection option option K13 K14 K15 K16 DIP S W specification setting Ue Sa E Numperot Content SEGI SEG2 SEG3 SEG4 Remark switch presses Press and 1 hold 1 time Check operation i 1 L 1 1 Heating refrigerant charging i 1 2 Heating trial operation m K1 L J 3 Heating pump out 1 1 4 Vacuum u 5 Completion L C 1 Cooling refrigerant charging 1 1 oe L K 2 Cooling trial operation 1 mm K2 3 Cooling pump down 4 Checking the amount of L o refrigerant I LI 5 Completion K3 Reset 38 AMO FXMDCH_IM_EN_03408A 1 indd 38 2013 03 04 Q 4 28127 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 K4 Press and hold to enter the setting gt K4 Displayed content Display on segment m press Number of press a 0 time Main Micom version Version ex 0912 z 1 time Inverter Micom version Ve
19. Low Voltage Directive 2006 95 EC and the Electromagnetic Compatibility Directive 2004 108 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 fires Do not place containers with liquids or other objects on the unit All the materials used for the manufact
20. at fit on R410A only When installing make sure there is no leakage When collecting the refrigerant stop the compressor first before removing the connection pipe If the refrigerant pipe is not properly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high It may cause explosion and injury Pct ipe bender Pipe bending Nitrogen gas Air tightening test Inhibition of oxidization Tool Work If compatible with conventional tool Pipe cutter Pipe cutting Compatible Flaring tool Pipe flaring z Apply refrigerant oil on Exclusive ether oil ester oil alkali benzene oil or Refrigerant oil Refrigerant pipe work flared part synthetic oil Torque wrench Connect flare nut with pipe Compatible Gas leak detector Brazing tool Pipe brazing Need exclusive one to prevent mixture of R22 Manifold gauge Air tightening test A 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 Vacuum pump Vacuum drying from flowing backward into the outdoor unit Use the one that can be vacuu
21. available Check if the refrigerant amount detection operation was executed within guaranteed temperature range Execute trial operation to check if there s any other problems on the system 47 AMO FXMDCH_IM_EN_03408A 1 indd 47 2013 03 04 2 4 28 28 Trial operation P Check the power supply between the outdoor unit and the cabinet panel 1 phase power supply L N P 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 P 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 P 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 wind 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 Turn on the outdoor unit 3 hours before the test operation to preheat the c
22. cessive strength Use ester oil to coat the flare connection area to prevent refrigerant leak R410A is a high pressure refrigerant Therefore there is a risk of refrigerant leakage if the flare connection is not coated with ester oil 16 AMO FXMDCH_IM_EN_03408A 1 indd 16 2013 03 04 2 4 28117 l 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 Use a cable tube and bushing to prevent a cable from being damaged when passing 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 HSITDNA 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 J 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 clot
23. cord the amount of additional refrigerant charging on the service record paper placed outside the outdoor unit Have you checked whether the drain pipes of the indoor unit and outdoor unit are connected together Have you completed the drain test Is the drain pipe properly insulated Installing the drain pipe 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 Is 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 i eas i p there is a possible vibration of the outdoor unit AMO FXMDCH_IM_EN_03408A 1 indd 44 2013 03 04 Q 4 28127 Inspection and check operation Precautions before check operation caution When the outdoor temperature is low turn on the main power 3 hours before beginning the operation If you start the operation immediately after turning on the main power it may cause serious damage to the part within the product Do not touch the refrigerant pipe during or right after the operation
24. ctly 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 gt g Sea breeze gt 1 E Outdoor unit H Moo oii Sea Sea Protection wall F Outdoor unit Sea breeze D n oo fe Sea Protection wall should be constructed with a solid material such as concrete to block the sea breeze and the height and the width of the wall should be 1 5 times larger than the size of the outdoor unit Also allow over 700mm 28 inch space between the protection wall and the outdoor unit for ventilation of exhaust air AMO FXMDCH_IM_EN_03408A 1 indd 6 2013 03 04 2 4 28113 Install the indoor unit away from any interfering sources such as radio computer stereo equipment and also select a place where the electrical wiring work and an indoor unit installation are possible Especially keep the unit at least 3m 9 84ft away from the electrical equipment in an area where weak electromagnetic waves are generated and instal
25. 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 P After completing the installation always carry out a functional test and provide the instructions on how to operate the air conditioner to the user P Do not use the 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 units components should be accessible and easy to disassemble without endangering people and objects P For this reason when provisions of the installation manual are not complied with the cost required to access and repair the units in SAFETY CONDITIONS as set out in prevailing regulations with harnesses ladders scaffolding or any other elevation system 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 Always verify that a suitable grounding
26. e distance between an outdoor unit and the farthest indoor unit lt 175m 574 Edge Indoor units e pipe Main pipe The main pipe a from the outdoor unit to the first Y joint should be less than 110m length 361 Total r nati The sum of total length of pipes should be less then 300m 984 Maximum Outdoor Height H1 The difference in height between an outdoor unit and indoor unit lt 50m 164 allowable unit height Indoor units Height H2 The difference in height between indoor units lt 15m 49 The di b heheaderioi The distance between the first Y joint and Maximum allowable Actual e Istance etween the header joint the farthest indoor unit lt 40m 131 nes and the indoor unit lt 40m 131 i length after Y joint Length i Ex 8 indoor units Ex b c f g lt 40m 131 b c d g lt 40m 131 When the equivalent length between an outdoor unit and the farthest indoor unit exceeds 90m 295 upgrade the low pressure pipe of the main pipe one step 20 AMO FXMDCH_IM_EN_03408A 1 indd 20 2013 03 04 2 4 2819 l Refrigerant pipe work Refrigerant Y joint installation Install the Y joint horizontally or vertically gt Install horizontally afr ca Ne a 8 SS SS SS HSID5Nj P Install vertically When using A J type of Y joint connect the Y joint to the pipe with the provided reducer note When using K Z type of Y joint connect the Y jo
27. e farthest indoor unit including elbow exceeds 90m 295ft 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 B Main pipe size up First Y joint Pipe installation between Y joints Indoor unit total capacity Pipe diameter O D mm kW Btu h Liquid pipe mm inch Gas pipe mm inch X lt 15 0 51000 15 88 5 8 9 52 3 8 15 0 51000 lt X lt 23 2 79000 19 05 3 4 AMO FXMDCH_IM_EN_03408A 1 indd 13 2013 03 04 2 4 28116 13 HSID5Nj Refrigerant pipe installation l 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 Selecting the first Y joint Other Y joints Outdoor unit capacity ge Total indoor unit capacity under the i HP Ton Yjointmodel selected Y joint kW Btu h Yjointmodel 4 3 MXJ YA1509 X lt 15 0 51000 MXJ YA1509 5 4 MXJ YA1509 15 0 51000 lt X lt 40 6 138000 MXJ YA2512 6 5 MXJ YA2512 l Keeping refrigerant pipe To prevent foreign materials or water from entering the pipe it is important to keep
28. e resistance is above required level drive the grounding rod deeper into the ground or increase the number of grounding rods 5 Connect the grounding wire to the electrical component box inside of the outdoor unit 36 AMO FXMDCH_IM_EN_03408A 1 indd 36 2013 03 04 2 4 28126 Setting outdoor unit option switch and key function PBA shape HSID5Nj S W for setting number of connecting indoor units mnnmnm annnnnnn mmmmr mmmmmm 7 SEGMENT DISPLAY Terminal blocks for connection with an interface module Do not connect wires to these terminal blocks Setting the number of connecting indoor units Ex When you connect 3 indoor units set SW02 to 3 swo1 swo2 Unit digit Unit digit 37 AMO FXMDCH_IM_EN_03408A 1 indd 37 2013 03 04 2 4 28 26 Setting outdoor unit option switch and key function S W function 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
29. epending on the operation status During check operation noise can be generated due to vavle inspection Check the product if abnormal noise occurs continously 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 inpection needed sign run the check operation again 4 Check the following itmes 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 users manual 6 Hand over the installation manual to the customer so they can keep it with them Automatic refrigerant amount detection function Checking th amount of refrigerant 46 AMO FXMDCH_IM_EN_03408A 1 indd 46 2013 03 04 2 4 28128 Automatic refrigerant amount detection function Checking th amount of refrigerant Th
30. er pipe brazing should be the designated one CAUTION The use of the test liquid containing sulfur element may cause pipe corrosion l Cutting or Flaring the pipes P 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 HSID5Nj Pipe cutter oblique P To prevent a gas leak remove all burrs at the cut edge of the pipe using a reamer P Carry out flaring work using flaring tool as shown below Flaring tool A York gt Flaring bar Flaring bar Wing nut type Pipe Flare nut A mm inch Pipe diameter mm inch Flare tool for R 410A Conventional flare tool clutch type Clutch type Wing nut type 6 35 1 4 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 9 52 3 8 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 l 12 70 1 2 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 15 88 5 8 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 P Check that you flared the pipe correctly There are some examples of incorrectly flared pipes below Correct Inclined Damaged Surface Cracked If foreign matters or BURRS are not removed after cutting p
31. er to the outdoor unit 3 hours before check operation to pre heat the crank case heater 6 Guaranteed range of check operation For correct judgment you must perform check operation in below indoor outdoor temperature condition 50 122 T 40 104 30 86 20 68 Cooling Heating 10 50 0 32 Outdoor temperature C 10 14 20 4 5 10 15 20 25 30 35 40 45 41 50 59 68 77 86 95 104 113 Indoor temperature C F 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 AMO FXMDCH_IM_EN_03408A 1 indd 45 2013 03 04 2 4 28 28 Inspection and check operation l Check operation 1 Use KEY 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 operating UP Mode will be cleared automatically when check operation is completed Check operation may proceed from 30 minutes maximum 50 minutes d
32. g into the hole on the underside of the outdoor unit P Connect the drain hose to the drain plug gt Ensure that the drained water runs off correctly and safely HSITDNA 50mm 1 97 inch Drain cap l Insulating refrigerant pipe or Y joint P Be sure to plug the rest of drain holes not connected with drain plugs using drain caps P 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 P 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 Pa 15 or less Moisture transpiration grade g m 24h 15 orless Formaldehyde dispersion mg L Oxygen rate 25 or more AMO FXMDCH_IM_EN_03408A 1 indd 27 27 2013 03 04 Q 4 28123 Refrigerant pipe installation l Selecting the insulation of refrigerant pipe P Insulate the gas pipe and liquid pipe by referring to the thickness of insulator for each pipe size P The standard condition is 30 C 8
33. grounding may vary according to the rated voltage and installation place of the air conditioner m gt Ground the power cable according to the following a Installation place 7 S oy nee power condiien High humidity Average humidity Low humidity Perform the grounding work Perform the grounding work 3 if Voltage of lower than 150V 3 Note possible for your safety Nte2 Must perform the grounding work 3 Nete1 Voltage of higher than 150V 9 9 In case of installing circuit breaker as well 1 Grounding work 3 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 Use the rated grounding wire by referring to the specification of the electric cable of the outdoor unit Performing the grounding work P 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 Earth terminal Omk 35 AMO FXMDCH_IM_EN_03408A 1 indd 35 2013 03 04 Q 4 28125
34. h High pressure Low pressure The connecting pipes of liquid side and gas side should not contact each Liquid side Gas side other nor should they contact to the product Vibration may cause damage to the pipes 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 First remove the pipe cover from unit side of the unit and install the pipe Separate the knock out hole to use Ifthe After installing and insulating the pipe Working process hole is open small animals such as squirrels close up the remaining gap If the gap and rats may get into the unit through the remains open small animals such as rats hole and the unit may be damaged and squirrels may get inside the unit and cause damage to the unit 17 AMO FXMDCH_IM_EN_03408A 1 indd 17 2013 03 04 2 4 28117 Refrigerant pipe installation l Refrigerant pipe installation examples Using a Y joint Using a Y joint EEV kit o s Using aheaderjoint l Allowable length of the refrigerant pipe and the installation examples Connection by Y joint Outdoor unit eie ath d aar be ba FS ka FS Ht m
35. int to the pipe by cutting the inlet of the Y joint or provided reducer properly 10 15mm 0 39 0 59 inch or more Install 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 20 inch or more before connecting Y joint Connect to other branch Rea wat g joint or indoor unit Pipe connection Reducer Reducer Pipe t Gas liquid side Y joint Front Connect to outdoor unit Minimum straight line distance 500mm 20 inch or more Install the Y joint within 15 on the horizontal or on the vertical 21 AMO FXMDCH_IM_EN_03408A 1 indd 21 2013 03 04 25 4 28119 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 A When inserting connecting pipe into the Y joint please comply with the installation regulation Refrigerant header joint installation P Select the reducer fitted on the diameter of the pipe Liquid side Gas side Supplied Reducer Red Pipe Pipe Pipe ee SUUET Purchased va Purchased Purchased amp Pipe privately privately privately gt Purchased N F privately Te ee j T it To A aE 0 indoor uni To outdoor unit Red
36. ipe refrigerant gas may leak 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 AMO FXMDCH_IM_EN_03408A 1 indd 15 15 2013 03 04 2 4 28116 Refrigerant pipe installation l Tightening flare connection area P 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 D gt Make sure to use ester oil to coat the flare connection section Pipe Flare connection section Flare nut q os Connection torque Outer diameter mm inch Flare dimension mm inch Flare shape mm inch kgfscm Nem 6 35 1 4 140 180 14 18 8 70 9 10 0 343 0 358 X R 0 4 0 8 JA 0 016 0 032 9 52 3 8 350 430 34 42 12 80 13 20 0 504 0 520 A amp NA 12 70 1 2 500 620 49 61 16 20 16 60 0 638 0 654 amp gt 15 88 5 8 690 830 68 82 19 30 19 70 0 760 0 776 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 ex
37. is function detects amount of refrigerant in the system through refrigerant amount detection operation Input S NET pro signal HSITDNA Press the Tact switch K2 4 times ha ti Satisfy the temperature condition Detect amount of refrigerant Judge the amount of refrigerant Pa Palau ba Sh Flas Normal Excessive Insufficient Judgment not available If the operation cycle is not stable refrigerant amount detection operation may end Accuracy of the result may decrease if the product was not operated for long period of time before the refrigerant amount detection operation Use the refrigerant amount detection operation function after operating the product in cooling mode for at least 30 minutes Product may trigger protection operation depending on the installation environment In this case result of refrigerant amount detection may not be accurate If escape the warranty temperatures can not get the accurate results Indoor 20 30 C 68 86 F Outdoor 5 43 C 41 109 4 F Actions to take after the detection result Exessive amount of refrigerant Discharge 5 the detected amount of refrigerant and restart the refrigerant amount detection operation Insufficient amount of refrigerant Add 5 of the detected amount of refrigerant and restart the refrigerant amount detection operation Judgment not
38. join liquid amp gas side connecting pipe P 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 3 8 P Use insulation that should be able to handle an interior temperature of over 120 C 248 F Wrap the Y joint with insulation of a thickness of at least 10mm 3 8 Pipe insulation Provided Purchased privately insulation Fix securely without any gap Fix securely without any gap FIA A mm AE 7777 SN ETN Y joint 5 90 Pipe insulation Purchased privately Thickness of the insulation Purchased privately should be at least thicker than 10mm 3 8 30 AMO FXMDCH_IM_EN_03408A 1 indd 30 Insulation tape Purchased privately Pipe insulation Purchased privately Attach the adhesive insulation tape to the pipe as shown in the picture after insulating the pipe 2013 03 04 2 4 28125 Wiring work Wiring work should be performed in accordance with related laws such as Technical specification on electric installation Wiring regulations or Installation manual gt P Copper cable should be used for wiring work and all the wires or parts should be rated products gt Wiring work should be performed by a company certified by an electric power company gt Refer to the circuit diagram attached to the outdoor
39. l the protection tube to protect the main power cable and communication cable CAUTION 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 HSITDNA Aventilation system may be required when the outdoor unit is installed in a closed space or room even though R410a 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 malfuncti
40. med up to 100 7kpa 5Torr 755mmHg Scale for refrigerant Compatible charging Gas leak test Need exclusive one The one for R134A can be used Flare nut You must use the flare nut equipped with product Refrigerant leakage may occur when the conventional flare nut for R22 is used 12 AMO FXMDCH_IM_EN_03408A 1 indd 12 2013 03 04 2 4 28116 l Selecting refrigerant pipe Temper grade and minimum thickness of the refrigerant pipe Outer diameter mm inch Minimum thickness mm inch Temper grade 6 35 1 4 0 7 0 028 9 52 3 8 0 7 0 028 Annealed 12 70 1 2 0 8 0 031 15 88 5 8 1 0 0 039 19 05 3 4 0 9 0 035 Drawn 22 23 7 8 0 9 0 035 D gt Make sure to use C1220T 1 2H Semi hard or C1220T H pipe for more than 19 05mm 3 4 inch P Incase of using C1220T 0 Soft pipe for 19 05mm 3 4 inch pipe may be broken which can result in an injury Pipe installation between an outdoor unit and the first Y joint Outdoor unit capacity Marc 7 4 x One step upgraded pipe HP Ton Liquid pipe mm inch Gas pipe mm inch imam inchil A 3 9 52 3 8 15 88 5 8 19 05 3 4 5 4 9 52 3 8 015 88 5 8 19 05 3 4 6 5 9 52 3 8 19 05 3 4 22 23 7 8 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 th
41. n 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 P Apply silicon at the end of CD pipe so that rainwater does not enter HSITDNA vv Conduit leading into an outdoor unit 31 AMO FXMDCH_IM_EN_03408A 1 indd 31 2013 03 04 2 4 28125 Wiring work l Overall System Configuration Connection of the power cable 1 phase 2 wires Distribution board Outdoor unit Indoor unit 1 phase 2 wires 208V 230V Or ELB 1 phase 2 wires 208V 230V Or MCCB ELB a H J Earth d d Communication cable 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 208V 230V 208V 230V f Or Or MCCB ELB Wired remote controller EEV kit Communication cable 32 AMO FXMDCH_IM_EN_03408A 1 indd 32 2013 03 04 2 4 28 25 You must install an earth leakage breaker CAUTION 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 f
42. nd 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 2 9 MPa gauge pressure 420 61 psig decrease the number of operating indoor unit and make the pressure below 2 9 MPa gauge pressure 420 61 psig After checking that the pressure of high pressure side went below 2 9 MPa gauge pressure 420 61 psig 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 P 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 The amount of refrigerant that can be put into the refrigerant container should be about 50 of all refrigerant of the whole system P Do not collect too much refrigerant in one refrigerant container Outdoor unit vvvv HSITDNA v container valve Valve 2 Service valve Manifold gage 43 AMO FXMDCH_IM_EN_03408A 1 indd 43 2013 03 04 2 4 28 27 Checking lists after finishing installation gt Before supplying power measure the power terminal L N and outdoor unit grounding using ins
43. nd the four screws on the cover top of the outdoor unit W Wind wires round the four screws and fasten the screws again Fix the wires to the ground 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 AMO FXMDCH_IM_EN_03408A 1 indd 11 2013 03 04 2 4 2815 Refrigerant pipe installation l Refrigerant pipe work 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 length height difference and the allowable length after branching is done The pressure of the R410A 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 R410A refrigerant should be used Use clean refrigerant pipe and there shouldn t be any harmful ion oxide dust iron content or moisture inside pipe Use tools and accessories th
44. ompressor CAUTION Ifthe compressor is not preheated CH may appear on the outdoor unit PCB depending on the outdoor temperature If the check operation is not completed UP may appear on the outdoor unit PCB l Writing and keeping installation checking card gt Installation checking card is enclosed with the installation manual Installer should fill out the front side of the 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 48 AMO FXMDCH_IM_EN_03408A 1 indd 48 2013 03 04 2 4 28 29 Memo HSID5Nj 49 AMO FXMDCH_IM_EN_03408A 1 indd 49 2013 03 04 2 4 28130
45. on of electric parts or control system At the ship or places using power supply from electric generator etc Indoor Unit Remote Control l Breaker Breaker A ag 2 Aa ay LELANG eo eF amp Wy ES Outdoor Unit Stereo D gt Make sure that the water dripping from the drain hose runs away correctly and safely P 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 AMO FXMDCH_IM_EN_03408A 1 indd 7 2013 03 04 2 4 28 14 Installation location P Make a space for ventilation and service as seen in 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 P The side with logo is the front side of the outdoor unit Figure Description Top view Side view Back side Air intake Front side 4 Back side dio Air outlet Air intake Front side Air outlet Airflow direction When installing 1 outdoor unit When the air outlet is opposite the wall ALLL ILLL LALN v of Y 300 12 or more When the air outlet is toward the wall U Sed 1500 60 or more Unit mm inch
46. or 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 Specification for circuit breaker and power supply cord gt Power supply cord is not supplied with air conditioner P 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 gt 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 HSITDNA Model Power source RLA FLA MCA MOP FAN1 FAN2 AM036FXMDCH 16 9 0 6 0 6 23 40 AM048FXMDCH 208 230V 60Hz 22 1 0 6 0 6 29 50 AM053FXMDCH 26 0 0 6 0 6 34 55 1 RLA is based on AHRI 210 240 colling standard condition Indoor temp 26 7 C 80 F DB 19 46 C 67 F WB Outdoor temp 35 C 95 F DB 2 Voltage tolerance is 10 3 Maxium allowable voltage between phases is 2 Symbols RLA Rated Load Ampere FLA Full Load Ampere MCA Minumum Circuit Ampere A MOP Maximum Overcurrent Protective Device A Tightening power terminal gt Connect the cables to the terminal board using the compressed ring terminal P Use rated cables only P Connect the cables with driver and wrench that can apply the rated
47. or unit P Do notslant the 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 Wire rope straps When moving an outdoor unit with hands P 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 Be 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 Installation and base ground work for an outdoor unit P Install the outdoor unit 150mm 6 inch higher than the base ground and install the drain hole to connect the pipe to the drainage D gt When the front fan of an outdoor unit is installed in a place where the average snowfall is more than 150mm 6inch the discharge duct should be attached to the outdoor unit P The concrete foundation should be 1 5 times larger than bottom of the outdoor unit P Itis necessary to install wire mesh or steel bar when
48. recommended a Outdoor unit capacity The maximum number of Total ory of the Outdoor unit HP Ton connectable indoor units connected indoor units kW MBH AM036FXMDCH 4 3 6 5 6 14 5 19 49 AM048FXMDCH 5 4 8 7 0 18 2 24 62 AM053FXMDCH 6 5 9 7 8 20 2 27 69 AMO FXMDCH_IM_EN_03408A 1 indd 5 2013 03 04 2 4 28113 HSID5Nj Deciding to where to install the outdoor unit Decide the installation location based on the following condition and obtain the user s approval 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 time 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 Choose a place that is well ventilated and allows enough space for repairs and service Discharge duct can be purchased privately 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 vvvv vvvvv vv When installing the outdoor unit near sea shore make sure it is not dire
49. rsion ex 0912 2 times EEPROM version Version ex 0912 SEG1 SEG2 SEG3 4 Automatically assigned address of the 3 times units PT ipin Address Indoor unit A Indoor unit 0 ex 05 SEG1 SEG2 SEG3 4 4 times Manually assigned address of the units Indoor unit A Indoor unit 0 pene P 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 41 F gt K7 K8 Changing cooling capacity correction table Switch Function Target evaporating temperature K7 K8 ON ON 7 9 C 44 6 48 2 F Factory default setting ON OFF 5 7 C 41 0 44 6 F OFF ON 9 11 C 48 2 51 8 F OFF OFF 10 12 C 50 0 53 6 F Upgrade the performance by referring to the cooling long pipe performance data of the technical data book If you 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 39 AMO FXMDCH_IM_EN_03408A 1 indd 39 2013 03 04 2 4 28 27 Setting outdoor unit option switch and key function gt K9 K10 Nights quiet
50. t The maximum amount of refrigerant that can be put into the outdoor unit is 5kg 176 4 oz gt When the amount of system refrigerant exceeds the amount of maximum receptive capacity compressor trip or damage by fire might be caused l 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 1is displayed on outdoor PCB LED When the compressor starts operating observe low pressure using manifold gage When the low pressure goes below 0 MPa gauge pressure 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 vvvvvyv 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 42 AMO FXMDCH_IM_EN_03408A 1 indd 42 2013 03 04 2 4 28 27 l 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 a
51. the refrigerant pipe clean and dry and to 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 l Refrigerant pipe brazing and safety information Important information for refrigerant pipe work P Make sure that there is no moisture inside the pipe D gt Make sure that there are no foreign materials and impurities in the pipe D gt Make sure that there is no leak gt Make sure to follow the instruction when brazing and keeping the pipe Nitrogen flushing brazing P 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 P Adjust the flow rate of the Nitrogen flushing with a pressure regulator to maintain 0 05m3 h or less Brazing part tp 6 35 1 4 copper pipe Pressure regulator Shut off Taping valve PT Flow meter High pressure hose 14 AMO FXMDCH_IM_EN_03408A 1 indd 14 2013 03 04 2 4 28116 Direction ofthe pipe when brazing gt Brazing the pipe should be done with the pipe headed downward or horizontally P Avoid brazing with the pipe headed upward The test liquid used to detect leakage aft
52. 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 M4 12 0 15 0 kgfecm 1 2 1 5 Nem Communication F1 F2 M5 20 0 25 0 kgf cm 2 0 2 5 Nem 1 phase AC power L1 L2 AMO FXMDCH_IM_EN_03408A 1 indd 33 33 2013 03 04 2 4 28 25 Wiring work l Selecting compressed ring terminal gt Select a compressed ring terminal of a connecting power cable based on a nominal dimensions for cable P Cover a compressed ring terminal and a connector part of the power cable and then connect it Silver solder Nominal dimensions for cable Apel 4 6 0 006 0 009 10 0 01 16 0 02 25 0 03 35 0 05 50 0 07 70 0 10 mm inch Nominal dimensions forscrew 4 3 5 8 3 16 8 3 16 8 3 16 8 3 16 8 3 16 8 3 16 8 3 16 8 3 16 8 3 16 mm inch Standard dimension 15 15 16 16 5 16 mm inch 95 3 8 ono care aons 202 aona aono 227 2207 8 240 r 0 2 0 2 0 3 0 4 Allowance mm inch 0 2 0 007 0 007 0 007 0 3 0 011 0 3 0 011 0 011 0 015 Standard dimension 13 5 17 5 i 5 6 1 4 7 1 1 4 9 3 8 11 5 7 16 13 3 1 2 1 2 1 2 D 0
53. ucer Reducer gt Block the unused pipes end with caps if the number of connected indoor unit is fewer than header joint ports Liquid side Gas side Brazing part Connection in Connection in order yw gt order xa Ry sen Block the port of 2 Q f Reducer header joint Block the port of header joint 22 AMO FXMDCH_IM_EN_03408A 1 indd 22 2013 03 04 2 4 28 20 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 e Connect the indoor unit as the highest capacity comes first HSITDNA 10 15mm 0 39 0 59 inch or more gt Install the header joint horizontally Install the header joint horizontally so that it is not facing down Reducer Header joint Shouldbe _ 10 horizontal or less Pipe Liquid side Shouldbe horizontal Should be horizontal Should be horizontal Gas side 23 AMO FXMDCH_IM_EN_03408A 1 indd 23 2013 03 04 2 4 28 20 Refrigerant pipe installation l Performing air tightening test P Use tools for R410A only to prevent the inflow of foreign substances and to resist the internal pressure P Use dry Nitrogen gas to do an airtight test as below Apply pressure to the liquid
54. ulation resistance tester The measured value should be above 30MQ You must not measure the communication terminal since the communication circuit may get damaged caution Check the short circuit using a circuit tester 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 Outdoorunit Is there any possibility of short circuit due to the heat of an outdoor unit Is the place well ventilated and ensures space for service Installation Is the outdoor unit fixed securely Have you checked the external surface and the inside of the indoor unit aa Is the place well ventilated and has enough space been allowed for service Have you checked if the center of the indoor unit is ensured and it is installed horizontally Have you selected correct pipes Are the liquid and gas valve open Is 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 Refrigerant pipe work 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 re
55. unit for detailed wiring work gt Wiring work should be performed after disconnecting main circuit breaker and Y joint switch gt 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 Electric wiring circuit diagram displays outline only Do not 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 P 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 P Use the wires that comply with regulated specification and firmly connect to the terminal board Then tighte
56. ure 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 When the product operates in heat mode during winter time it operates protection mode when the outdoor temperature drops below 0 C 32 F Therefore supply the power during winter time If the power is not supplied compressor protection mode will not operate and cause product malfunction AMO FXMDCH_IM_EN_03408A 1 indd 3 2013 03 04 2 4 28113 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
57. ximum current 4 A OFF OFF Maximum current 8 A Maximum current 6 A Maximum current 6 A Classification Model Maximum current 3Ton AM036FXMDCH 22A 4Ton AMO048FXMDCH 24A 5Ton AM053FXMDCH 32A P K15 K16 Changing defrost option table Switch Function K15 K16 ON ON MID ON OFF MID OFF 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 AMO FXMDCH_IM_EN_03408A 1 indd 41 41 2013 03 04 2 4 28 27 Pump Down l The object of pump down P You can reduce as much refrigerant leakage as possible during product movement or repair by collecting the refrigerant to the outdoor unit l 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 firs

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