Samsung MH050FXEA2C User Manual
Contents
1. PUMP DOWN before disconnecing t the refrigerant connections for unit repair removal or disposal Pump down is an operation intended to collect all the system refrigerant in the outdoor unit This operation must be carried out before disconnecting the refrigerant pipe in order to avoid refrigerant loss to the atmosphere Shut off all the liquid valve with the Allen wrench Turn the system on in cooling with fan operating at high velocity Compressor will immediately start provided 3 minutes have elapsed since the last stop After 2 minutes of operation shut down the suction valves with the same wrench Turn the system off and switch mains supply off Disconnect pipes After disconnection protect valves and tubing ends from dust Compressor damage may occur if run at a negative suction pressure abel p 1 tral The designs and shape are subject to change according to the model O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 25 e 2009 11 24 9 20 27 COMPLETING THE INSTALLATION Pipe Installation with Indoor Units MH070FX A4B MHO80FX A4AB Follow different orders depending on the capacity of indoor units OUTDOOR UNIT MH020 023 026 030 035F EA Install pipes between indoor and outdoor units orderly as A B gt C gt D MH0O52F EA a Install pipes between indoor and outdoor units orderly as C gt D J Exa2. 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 SAMSUNG stechnical 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 manufacture and packaging of the air conditioner are recyclable The packing material and exhaust batteries of the remote control 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 condi tioner must be disposed of in authorized centers or returned to the retai
3. 2 Release the valve caps on High and Low pressure side 3 UseL wrench to close the valve on the high pressure side 4 Approximately 2 minutes after close the valve on the low pressure side 5 Stop operation of the air conditioner 6 Disconnect the pipes 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 35 e 2009 11 24 9 21 02 EEE Yonetmeligine Uygundur This EEE is compliant with RoHS 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 36 ELECTRONICS 2009 11 24 9 21 02 e MINE INSTALLATION MANUAL Free Joint Fixed MHO40FX A2B MH18VF1X MHO50FX A2B MH19VF1X MHO40FX A2C MHO50FX A2C MHO60FX A3B MHO070FX A4B MHO80FX A4B Free Joint Multi amp Multi Split Type Room Air Conditioner Cooling and Heating INVERTER VAR SY DEUTSCH PORTUGUES ITALIANO FRAN AIS ESPA OL ENGLISH e D S D0D PD G DB98 28896A 7 O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 37 e 2009 11 24 9 21 03
4. Key Options of PCB Display EEEEEEEZET Les K1 pipe checking operation button K2 Function button K3 Reset button K4 View mode change button Switch Pipe Checking Operation Heat Mode Try run Display Je 4 Display 1 Indoor unit Refrigerant Charging address att Display p View mode change Cool ModeTry run Display 3 View data display P Pump down icnlay d EI Display j Outdoor PCB Display Heat and Cool Mode Try run functions are just For Service Technician K4View mode Display changes D emnes pem e ERTCITUNER T A o EEV2 current step Target Discharge temperature E EEV3 current step3 Total capacity of the indoor units 7 Fan RPM 15 Safety Control just For Service H high L low Blank off Technician The EEV 2 and EEV 3 of MHO40FX A2B MHO40FX A2C MHOS50FX A2B MHO50FXA2C MH18VF1X MH19VF1X models are always displayed as blank The EEV 3 of MHO60FX A3B model is always displayed as blank O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 32 e 2009 11 24 9 20 56 SS e COMPLETING THE INSTALLATION Troubleshooting The table below give indication about self diagnostic routine Some of error code requires activities exclusively for Authorise Service Center The error indicated on the PCB display of outdoor unit DISPLAY EXPLANATION The error indicated on the PCB display of outdoor unit REMARK I Communiaction error indoor unable to receive data
5. 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 WARNING it or accessing its internal components e Verify that installation and testing operations are performed by qualified personnel e Verify that the air conditioner is not installed in an easily accessible area GENERAL INFORMATION 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 The manufacturer shall not be responsible for damage originating from unauthorized changes or the improper connection of electric and requirements set forth in the Operating limits table included in the manual shall immediately invalidate the warranty
6. Self diagnosis Compressor Discharge temperature sensor error Compressor discharge sensor detached Self diagnosis Compressor OLP sensor error Short Open Error condition outdoor temperature under 20 C Error level over 4 95V 30 C under 0 5V 151 C 09 FJM OUTDOOR 28896A IM E 11 23 09indd 33 e 2009 11 24 9 20 58 COMPLETING THE INSTALLATION Troubleshooting Cont The table below give indication about self diagnostic routine Some of error code requires activities exclusively for Authorise Service Center The error indicated on the PCB display of outdoor unit DISPLAY EXPLANATION The error indicated on the PCB display of outdoor unit REMARK E check pipe lenght indoor L Li Outdoor unit freezing Compressor stop unit filter refrigerant leakage charge and service port AN check pipe lenght refrigerant Outdoor unit overload Safety control Compressor stop LL leakage charge Et Outdoor unit high discharge temperature Safety control check pipe lenght refrigerant L LI Compressor stop leakage charge Outdoor unit EEV open Stopped indoor unit s Self diagnosis Outdoor unit EEV open operating indoor unit s Self diagnosis High temperature over 30 C of outdoor as heating mode LU t H gH Outdoor Fan Error Low temperature under 10 C of outdoor as cooling mode lit o ra Communication cable mismatched between indoor L t AL and outdoor unit Fut m t 4 mn x Invert
7. 11 24 9 19 56 INSTALLING THE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit Continued Preparation of cables for outdoor unit terminal block P Main power supply cable L mm Cable of 2 Main Power X The designs and shape are subject to change according to the model 3K9K060 070 080 kX only For 070 080 gt gt only 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 18 e 2009 11 24 9 19 57 MHO40FX A2B MHO40FX A2C MH18VF1X MH19VF1X Accessories Transmitter MIM B13A Turn the power off and take off the cover of the outdoor units Fix the case with bolts to the side of the control box referring to the figure on the right side In case of FJM outdoor unit there is not enough space to fix all parts of transmitter So you may use transmitter main PCB Attach the transmitter main PCB to the case then connect F1 F2 lines R1 R2 lines which are upper controller communication cables and DC 12V power cables to the interface module referring to the figure on page 21 Upper controller power should be off You must check the position of dip switch on the transmitter main PCB and the main PCB of all of the indoor units Assemble a cover of the outdoor unit and turn the power on Check the communication status If you install a t
8. an earthing electrode that complies with the specifications given in the illustration opposite 2 Determine a suitable location for the earthing electrode In damp hard soil rather than loose sandy or gravel soil that has a higher earthing resistance Away from underground structures or facilities such as gas pipes water pipes telephone lines and underground cables Atleast two meters away from a lightening conductor earthing electrode and its cable gt The earthing wire for the telephone line cannot be used to earth the air conditioner 3 Dig a hole of the size indicated in the illustration opposite drive the earthing electrode into position and cover the top of the electrode with the excavated soil 4 Install a green yellow insulated earthing wire 1 6 mm section 2 mm or greater If the earthing wire is too short connect an extension lead soldering the connec tion and wrapping it with insulating tape do not bury the soldered connection Securethe earthing wire in position with staples gt Ifthe earthing electrode is installed in an area of heavy traffic its wire must be connected securely 5 Carefully check the installation by measuring the earthing resistance with an earthing resistance tester If the resistance is above the required level Example 100Q drive the earthing electrode deeper into the ground or increase the number of earthing electrodes 6 Connect the earthing wire to the earthing screw on
9. connecting pipe length L Adding refrigerant Chageles E 15myx106 Chargeles L 20m0g L 30m0g MHO7OFK A4B L 4omxt0g 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 24 e 2009 11 24 9 20 22 SS e COMPLETING THE INSTALLATION Jl 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 Refrigerant type GWP value CAUTION R410A 1975 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 is GME SE lle infer Fes regulation nCX842 2006 This activity has to be covered by qualified personnel only Contains fluorinated greenhouse gases In case situation above 3 kg or more of R 410A installer or recognised person covered by the Kyoto Protocol which has responsability for final check has to provide a maintenance book with all the information recorded according to REGULATION EC NCX 842 2006 OF THE EU ROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May 2006 on certain fluorinated greenhouse gases Please fill in with indelible ink D the factory refrigerant charge of the product i D the additional refrigerant amount charged in the field and 04 the total refrigerant charge D kg on the refrigerant charge label supplied with the product D k D
10. mm 212 70 mm 0 8mm 2 0 mm e PULTE AUC 5 Check that the flaring is correct referring to the illustrations below for examples of incorrect flaring X X X X E f til Inclined Damaged Surface Cracked Uneven Thickness 6 Align the pipes to be connected and tighten the flare nuts first manually and then with a torque wrench applying the following torque Torque kgf cm 140 170 250 280 012 70 mm 380 420 7 Forfurther details on how to connect up to the outdoor unit and purge the circuit refer to page 23 gt Incase welding the pipe the gas nitrogen must be blown into the parts 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 14 e 2009 11 24 9 19 50 SS e INSTALLING THE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit When you install the unit make first refrigerant connections and then elec trical connections Connect the air conditioner to grounding system before performing the electrical connection If unit is uninstalled first disconnect electrical cables then refrigerant connections 2 electric cables must be connected to the outdoor unit The assembly cable connecting the indoor unit to the outdoor unit The power cable connecting the auxiliary circuit breaker to the outdoor unit Remove the cabinet side RH of the outdoor unit 2 Connect the assembly cable with the power cable such as figure 40 70kgf m gt Each wire is labelled with the corresponding termina
11. which are upper controller communication cables and DC 12V power cables to the interface module referring to the figure on page 21 Upper controller power should be off BE j aq Lf f j Y 4 You must check the position of dip switch on the transmitter main PCB and the Fix the case with bolts main PCB of all of the indoor units Control Box in the outdoor unit MHO60F XA3B MHO70FXA4B MHO80FX A4B 5 Assemble a cover of the outdoor unit and turn the power on 6 Check the communication status 7 Ifyou install a transmitter to the outdoor unit every indoor unit which is connected to the outdoor unit can be controlled simultaneously 8 Each outdoor unit connected to the same centralized controller has its own transmitter 7seg LED Display side Fix the case with bolts Control Box in the outdoor unit O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 20 e 2009 11 24 9 20 03 INSTALLING THE OUTDOOR UNIT 8 e ed ed ec CX CD XD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD
12. 2 kg a Factory refrigerant charge of the product see unit name plate kg b Additional refrigerant amount charged in the field Refer to the above information for the quantity of refrigerant replenishment c Total refrigerant charge d Refrigerant cylinder and manifold for charging Outdoor unit b C gt Thefilled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop valve cover Performing Leak Tests e Before completing the installation insulation of the cables hose and piping and fixing of the indoor unit to the installation plate you must check that there are no gas leaks To check for gas leaks on the Then using a leak detector check the Indoor unit Flare nuts at the end of sections C and D Outdoor unit Valves on sections A and B MH040PXOX A2B MHO40FX A2C MH050FX A2B LEAK TEST WITH NITROGEN before opening valves MHOS50FX A2C MH18VF1X MH19VF1X In order to detect basic refrigerant leaks before recreating the vacuum and recircu lating the R 410A it s responsable of installer to pressurize the whole system with nitrogen using a cylinder with pressure reducer at a pressure above 30 bar gauge LEAK TEST WITH R 410A after opening valves Before opening valves discharge all the nitrogen into the system and create vacuum according to page 23 24 After opening valves check leaks using a leak detector for refrigerant
13. CD CD CD CD CD CD CD CD CD CD CD CD CD CD C C C C 0 0 e 8 10 DC 12V Blue P 9 8 oe ee eo 8 eo 8 0 e 8 LES mojo L E ine TEE TE RN st 0 lo AR P T zi H yt NE E 0c E is 0 DC 12V pri he T Z G 0 sis 2 z g quc iz Som E EY 9 OPE d ous ai M a DC 12V Blue 7 e qs c3 c3 e 6 neue MHO50FX XA2B MHOS50FXXA2C MHO40FX A2B MHO40FXxA2C Transmitter MAINPCB MHO60FX XA3B MHO70FX A4B MH18VF1X MH19VF1X MHO80FX A4B Outdoor unit PCB ALIPAC ICN IH I200 ALON 2 H CODI 1200 HC 2 N 41 L 200 4 L 2 N Terminal Block in the outdoor unit Terminal Block in the outdoor unit Terminal Block in the outdoor unit MH070FX A4B MHO080FX A4B MH060FX A3B MHO40FX A2B MHO40FX X A2C MHO50FX A2B MHO50FXXA2C MH18VF1X MH19VF1X Check the dip switch postion on transmitter main PCB as the picture above turn ON K1 K2 K3 K4 00922 1234 Change DIPswitch K2 in all indoor units PCB K2 ON OFF O9 FJM OUTDOOR 28896A IM E 11 23 09 indd 21 e 2009 11 24 9 20 12 INSTALLING THE OUTDOOR UNIT e a Checking Correct Earthing Carbon Steel plastic core 3 To PVC insulated green earthing yellow wire 2mm x 3 5m screw If the power distribution circuit does not have an earth or the earth does not comply with specifications an earthing electrode must be installed The corresponding accessories are not supplied with the air conditioner 1 Select
14. COMPLETING THE INSTALLATION Indoor Unit SWO02 Att A Indoor Unit SWO02 Att A Att B d Att C Indoor Unit SWO02 Att A E INSTALLATION TEST MODE with all indoor units functioning Please do cool mode try run or heat mode try run Cool mode try run Push the K2 button three times Heat mode try run Push the K2 button once After 12 minutes of stationary condition check each indoor unit air treatment Cooling mode indoor unit check gt Inlet air temp Outlet air temp From 10 K to 12 K indicative delta T Heating mode indoor unit check gt Outlet air temp Inlet air temp From 11 K to 14 K indicative delta T In heating mode the indoor fan motor can remain off to avoid cold air blown into conditioned space O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 29 e 2009 11 24 9 20 46 gt tcould take maximum 60 minutes to operate for the protection of the compressor if the outdoor temperature is below 5 C Ampere Limit Setting amp Changing Procedure A WARNING f Do not adjust the Ampere Limit Switch if it s not necessary before modifying 4 it evaluate the total number of electric and electronics loads consumption and i we Eb use Ampere limits switch just as emergency solution or in case the system is a anyway o
15. Check electrical connection J a LS and setting r P Outdoor unit communication error Check electrical connection L LI la Abnormal data from indoor unit over 60 packet and setting m gt Indoor unit room temperature sensor error Open Short p p Indoor unit heat exchanger in temperature sensor error Open Short m 4 Indoor unit heat exchanger out temperature sensor error Open Short L l P H Indoor unit sensor error Evaporator pipe in sensor Self diagnosis zi Li L H Indoor Unit FAN Error ja More than two indoor units cool and heat simultaneously Indoor unit sensor error Evaporator pipe out sensor Self diagnosis H t Indoor Unit EEPROM Error n lt Indoor Unit EEPROM Option Error LIT Failure of pipe check operation Check piping connection and setting e No pipe check operation check e U LILI occasion try to operation after the installation through auto addressing Check setting mode without pipe check operation Check electrical connection and setting Check electrical connection and setting The number of Indoor unit mismatched Communication error between the outdoor and indoor unit Outdoor communication error between main PCB and sub PCB Outside temperature sensor error Short Open Error level over 4 9V 50 C under 0 4V 93 C Condenser temperature sensor error Short Open Error level over 4 9V 50 C under 0 4V 93 C Outdoor unit sensor error Condenser out sensor Short Open
16. MHOS50FX A2B MHO50FX A2C 3 8 service valve 1EA 1 2 service valve 1EA as shown at the figure AWARNING Make the electrical connection and leave the system into stand by mode Do notturn on the system This is necessary for better vacuum operation full OPEN position of Electronic Expansion Valve EEV 3 Openthe valve of the low pressure side of manifold gauge counter clockwise 4 Purge the air from the system using vacuum pump for about 10 minutes Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1 MPa 76cmHg after about 10 minutes This procedure is very important in order to avoid gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge 5 Set valve cork of both liquid side and gas side of packed valve to the open position 6 Mount the valve stem nuts and the service port cap to the valve and tighten them at the torque of 183kgf cm with a torque wrench 7 Checkfor gas leakage At this time especially check for gas leakage from the 3 way valve s stem nuts and from the service port cap O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 23 e 2009 11 24 9 20 19 MHO60FX A3B MHO70FX A4B MHO80FX A4B 1 Check the piping connections 2 Connect the charging hose of
17. ble and that can be disassembled in conditions of complete safety either for people or things For this reason where it is not observed as indicated into the Installation Manual the cost neces sary to reach and repair the unit in safety as required by current regulations in force with slings trucks scaffolding or any other means of elevation won t be considered in warranty and charged to end user With an outdoor unit having net weight upper then 60kg we suggest do not install it suspended on wall but considering floor standing one 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 4 e 2009 11 24 9 19 12 PREPARING THE INSTALLATION MHO40FX A2B MHO40FX A2C P Piping outside diameter MHO040FX gt kA2B 020 023 026 035 MHogorx azc 1220240 50 020 023 026 035 3 9 MHO40FX A2B MHO40FXxA2C outdoor unit cannot be connected to the following indoor unit combination 3c052 ex MH exexFM A MH exFEXA MH eexFUA 200 mm 1 or more 160 mm or more 100 mm or more 3 Mas minimum pipe length It will reduce noise and vibration This value must be increased at 7 5 meters in case it is connected just one indoor unit 600 mm e minimum 300 mm minimum 600 mm minimum T The appearance of the unit may be different from the diagram depending on the model P Piping length and the height 1 Room max 2 Room total max Max height between Max height betwee
18. bles are not supplied use the standard cable approved by IEC standard Please check Connecting the Cables to the Outdoor Unit section 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 12 e 2009 11 24 9 19 48 TTC j j i e INSTALLING THE INDOOR UNIT Installing and Connecting the Drain Hose of the Outdoor Unit While heating ice may accumulate During the process of defrosting check if condensation draining is adequate For adequate draining do the following 1 Insert the drain plug into the drain hole on the underside of the outdoor unit 2 Connect the drain hose to the drain plug 3 Ensure that condensation draining is adequate Drain hole e 0 urpunumumn 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 13 e 2009 11 24 9 19 49 INSTALLING THE INDOOR UNIT Cutting Extending the Piping 1 Make sure that you have the required tools available pipe cutter reamer flaring tool and pipe holder 2 Ifyou wish to shorten the piping cut it using a pipe cutter taking care to ensure that the cut edge remains at a 90 angle with the side of the pipe and referring to the illustrations below for examples of edges cut correctly and incorrectly Oblique 3 To prevent any gas from leaking out remove all burrs at the cut end of the pipe using a reamer D 4 Slide aflare nut on to the pipe and modify the flare Outer Diameter D Thickness Depth A 26 35 mm 0 8mm 1 3 mm 29 52 mm 0 8mm 1 8
19. door unit indoor units System can work with one indoor unit connected but it is recommended that the TOTAL number of indoor unit suggested by manufacturer are connected to obtain the maximum performance EE NI Make at least one round BE It will reduce noise and vibration NE emm M97 x The appearance of the unit may be different from the diagram depending on the model 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 6 e 2009 11 24 9 19 26 PREPARING THE INSTALLATION MHO60FX A3B P Piping outside diameter Power supply m 3k3k020 023 026 030 035 MHO60FXXA3B 1 220 240 50 nat 200 mm or more 160 mm or more 100 mm or more CAUTIONS 3 m as minimum pipe length It will reduce noise and vibration This value must be increased at 7 5 meters in case it is connected just one indoor unit 600 mm minimum 300 mm minimum 300 mm e minimum 600 mm minimum Lo gg Main power switch 3 The appearance of the unit may be different from the diagram depending on the model P Piping length and the height 1 Room max 3 Room total max Max height between Max height between length length indoor unit amp outdoor unit indoor units Dimension System can work with one indoor unit connected but it is recommend
20. ed that the TOTAL number of indoor unit suggested by manufacturer are connected to obtain the maximum performance Make at least one round It will reduce noise and vibration The appearance of the unit may be different from the diagram depending on the model 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 7 e 2009 11 24 9 19 34 PREPARING THE INSTALLATION Deciding on Where to Install the Air Conditioner Continued MH070FX AAB MHO80FX A4B P Piping outside diameter dnd xewoxyms meooSek 1 4 i gt 020 023 026 030 035 052 gt 1 220 240 50 39 020 023 026 030 035 x 1 4 3 8 as JEK0S 236 200 mm OU or more d Lim 100 mm or more CAUTIONS 3 m as minimum pipe length It will reduce noise and vibration This value must be increased at 7 5 meters in case it is connected just one indoor unit 3 The appearance of the unit may be different from the diagram depending on the model P Piping length and the height 1 Room max 4 Room total max Max height between Max height between length length indoor unit amp outdoor unit indoor units Dimension ABCD A B C D System can work with one indoor unit connected but it is recommended that the TOTAL number of indoor unit suggested by manufacturer are connected to obtain the maximum performance ELE mn ESSE l
21. en performed the system starts in Cooling or Heating mode depending on the external ambient temperature After a few minutes from a minimum of 3 to 5 minutes for the internal unit the system stops automatically completing the self test and addressing procedure LE pi appears on the display of the external unit 20 seconds after the display of 5 jg that confirms the correct execution of the procedure the following codes if four internal units are connected dis play in sequence on the display of the external unit e Display Display2 peur cae sa e The outdoor unit is communication correctly togeth e Duna dde tte Go eese le er the indoor unit connected to refrigerant pipe A play 1 shows in sequence 00 01 The outdoor unit is communication correctly togeth To 15 gt 00 er the indoor unit connected to refrigerant pipe B The outdoor unit is communication correctly togeth er the indoor unit connected to refrigerant pipe C The outdoor unit is communication correctly togeth er the indoor unit connected to refrigerant pipe D At this point it is possible to start the internal units in the desired mode gt Ff oy I doesn t display the procedure has failed and it is therefore necessary to read ALL the operator s manual before repeating the operating described in steps 1 2 3 4 O9 FJM OUTDOOR 28896A IM E 11 23 09 indd 31 e 2009 11 24 9 20 55 Settings of PCB Display of the Outdoor unit
22. ep3 Follow of indication reported into table below for indoor unit addressing Step4 Turn on the system power supply and waiting for 60 seconds after estabilishing communication between outdoor and indoor units During this phase the left display of outdoor unit display PCB DISO1 will count fom 00 01 02 to 15 Estabilished communication the left display will count sequentially 00 communication with indoor unit A 01 communication with indoor unit B 02 communication with indoor unit C 03 communication with indoor unit D NA 3 In case of Manual address mode you can do pipe check operation for check whether you connect the pipes correctly or not But you need set indoor address switch yourselves 09 FJM OUTDOOR 28896A IM E 11 23 09indd 27 e 2009 11 24 9 20 43 COMPLETING THE INSTALLATION Switch Setting and Testing Operation Cont TO SET ADDRESSING MANUALLY BY TYPE PICTURE MODEL ROTARY SWITCH SW02 e IT S HERE Same for MHO20FV N A EA MHO023FBEA RAC MHO26FB V N A EA 3 MHO35FB V N A EA MHO052FB V N A EA MHO26FKEA MH035FKEA e i m MHO26FSEA KS EC FS e SLIM TAAN MH035FSEA omar t 1 MHO30FMEA MINI 4 WAY a MHO035FMEA EN MHO052FMEA SLIM DUCT MHO26FEEA a MHO35FEEA E imet se nire MHOS2FUEA Macar du MHO26FJEA CONSOLE pe MHO35FJEA O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 28 e 2009 11 24 9 20 45 1 WAY CASSETTE CANALIZZATO SLIM DUCT SI TROVA QUI
23. er compressor starting failure 5 times j mic Compressor trip by input current control mode PFC over current Lu L Compressor trip by OLP temperature control mode T H n H DC peak error IPM Over Current L e L H re Compressor Vlimit Error e Check electrical connection Z H L L DC link Voltage error under 150V over 410V i14 Abnormal compressor running LL U LI Compressor Rotation Error rit rim r1 on Current sensor error H n H DC link Voltage sensor error Lu net E t t OTP Error LL vt r Inverter micom zero crossing error _ Explaining Operations to the Owner Before leaving the premises on which you have installed the air conditioner you should explain the following operations to the owner making reference to the appropriate pages in the owner s instruction booklet 1 How to start and stop the air conditioner 2 How to select the operating mode and adjust the temperature and fan settings How to adjust the air flow direction How to set the timers How to remove and clean the filters Once the owner is happy with the basic operations hand over the owner s instruction booklet and this installation manual for storage in a handy and safe place Yu al w 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 34 e 2009 11 24 9 21 01 COMPLETING THE INSTALLATION Pump Down Procedure When removing the product 1 Turn on the air conditioner and select Cool mode to run the compressor for 3 minutes
24. he auxiliary circuit breaker If every pole fails to connect to the power supply it must be incorporated in a wire with a contact opening of 23mm amp gt The terminal is connected too firmly the terminal may be damaged 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 15 e 2009 11 24 9 19 52 ae IN INSTALLING THE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit Continued MHO60FX A3B Assembly cable D D D Earth terminal D e Earth terminal Outdoor unit cy e Main Power e supply cable g A e Power cable to indoor units Communication table Ey i to indoor units le ermina A Cable Typeu A Torque kgf cm Cable Type B Unfasten Torque Tighten Torque CableType C 17 30 25 40 The specification for cables 20935 30 50 Main Power Supply Cable Indoor Power Supply Cable Communication Cable Model M rr Specication Type Specication Type Specication Type MHO40FX A2B MHO040FX A2C MHO50FX A2B Frame 30A MHO50FX A2C 2 Trip 20A MH18VF1X 3G 2 5mm or 3G 1 0mm or 2G 0 75mm or MH19VF1X HOTRN 7 E Frame 30A MHO60FX A3B Trip 25A MH070FX A4B Frame 30A MHO080FX A4B Trip 30A gt Connect the power cable to the auxiliary circuit breaker If every pole fails to connect to the power supply it must be incorporated in a wire with a contact opening of 23mm gt Theterminal is connected too fi
25. l number gt _ Ensure the wire number of the indoor unit and the terminal number of the outdoor unit 3 Connect the earth wires to the earth terminals gt Refer to the page 22 for further details on how to check that earthing is correct 4 Fixthe cables with cable clamps near terminal blocks to protect the wire connection to the terminals from force on the wire 5 Replace the terminal board cover carefully tightening the screw The designs and shape are subject to 6 Connect the power cable to the auxiliary circuit breaker change according to the model MHO40FX A2B MHO40FX A2C MHO50FX A2B MHO50FX A2C MH18VF1X MH19VF1X Indoor unit Assembly cable Outdoor unit CSS A B A B Power cable to indoor units Communication cable Earth to indoor units Cable Type A terminal Cable Type B Torque kgf cm Cable Type C Unfasten Torque Tighten Torque 17 30 25 40 The specification for cables 20 35 30 50 Main Power Supply Cable Indoor Power Supply Cable Communication Cable Model os Specication Type Specication Type Specication Type MHO40FX A2B MHO040FX A2C MHO050FX A2B Frame 30A MHO50FX A2C 2 2 2 Trip 20A MH18VF1X 3G 2 5mm or 3G 1 0mm or 2G 0 75mm or MH19VF1X more more more HO7RN F HO7RN F HO7RN F Frame 30A MHO60FX A3B Trip 25A MH070FX A4B Frame 30A MHO80FX A4B Trip 30A gt Connect the power cable to t
26. ler so that it can be disposed of correctly and safely 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 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 After completing the installation always carry out a functional test and provide the instructions on how to operate the air conditioner to the user 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 POWER SUPPLY LINE FUSE OR CIRCUIT BREAKER 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 connection is available Verify that the voltage and frequency of the power supply comply with the specifications and that the installed power is suf ficient to ensure the operation of any other domestic appliance connected to the same electric lines Always verify that the cut off and protection s
27. low pressure side of manifold gauge to the packed valve having a service port 5 8 Packed valve as shown at the figure Value stem 1 2 20UNF WARNING Make the electrical connection and leave the system into stand by mode Do not turn on the system This is necessary for better vacuum operation full OPEN position of Electronic Expansion Valve EEV 3 Openthe valve of the low pressure side of manifold gauge Vacuum counter clockwise Pump 4 Purge the air from the system using vacuum pump for about 30 minutes Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1MPa 76cmHg after about 30 minutes This procedure is very important in order to avoid gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge 5 Set valve cork of both liquid side and gas side of packed valve to the open position 6 Mountthe valve stem nuts and the service port cap to the valve and tighten them at the torque of 183kgf cm with a torque wrench Service port 7 Checkfor gas leakage At this time especially check for gas leakage from the 3 way valve s stem nuts and from the service port cap Adding Refrigerant If you install the excessive length of pipe add additional refrigerant as 10g per unit meter refer to the table below Refer to the Service Manual for more details on this operation Total
28. mples A unit 2Rooms MH035FVEA4 MH052FVEA H B unit Mi Iie D unit p T E Hd df 2 A Fav MHO35FVEA B pe CD ia m a j l L ry ak ij j 4 EM E Po MH052F VEA re MH035FVEA POT MH026FVEA O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 26 e 2009 11 24 9 20 42 i e COMPLETING THE INSTALLATION Switch Setting and Testing Operation To complete the installation perform the following checks and tests to ensure that the air conditioner is operating correctly Step 1 Review all the following elements in the installation Installation site strength Piping connection tightness to detect any gas leakage Connection wiring Heat resistant insulation of the piping Drainage Earthing wire connection Step2 IMPORTANT Before selecting switch turn off the system power supply Select rotary switch SW01 of outdoor unit display PCB according to number of indoor unit connected Switch y G a Indoor unit ex address connecting connecting with 2 indoor with 4 indoor units units View data display Advise control we are going to proceeed with manual addressing as follow Manual Move dipswitch outdoor unit display PCB Switch f 7 g down Indoor unit address Move down the switch n 1 View data display St
29. n length length indoor unit amp outdoor unit indoor units System can work with one indoor unit connected but it is recommended that the TOTAL number of indoor unit suggested by manufacturer are connected to obtain the maximum performance Make at least one round It will reduce noise and vibration 3 The appearance of the unit may be different from the diagram depending on the model 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 5 e 2009 11 24 9 19 17 PREPARING THE INSTALLATION Deciding on Where to Install the Air Conditioner Continued MHO50FX A2B MHO050FX A2C P Piping outside diameter avi 020 023 026 035 052 MHOSOXXAZB 1220 240 50 020 023 026 0354 ui MHO50FX A2B MHO50FXXA2C outdoor unit cannot be connected to the following indoor unit combination MH052FMEA MH052FUEA 200 mm or 160 mm 1 or more 100 mm or more GAUVIN 3 m as minimum pipe length It will reduce noise and vibration This value must be increased at 7 5 meters in case it is connected just one indoor unit 600 mm minimum 300 mm 300 mm B minimum A minimum 600 mm minimum Y lir Loo mg Main power switch The appearance of the unit may be different from the diagram depending on the model P Piping length and the height 1 Room max 2 Room total max Max height between Max height between length length indoor unit amp out
30. nit Install the rack close to the colum as much as possible Install proper grommet in order to reduce noise and residual vibration trans ferred by outoor unit towards wall e 2009 11 24 9 20 16 SS e COMPLETING THE INSTALLATION Connecting Up and Purging the Circuit A WARNING When installing make sure there is no leakage When recovering the refrigerant ground the compressor first before removing the connection pipe If the refrigerant pipe is not properly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high It may cause explosion and injury The outdoor unit is loaded with sufficient RA10A refrigerant Do not vent R 410A into atmosphere it is a fluorinated greenhouse gas covered by Kyoto Protocol with a Global Warming Potential GWP 1975 You should purge the air in the indoor unit and in the pipe If air remains in the refrigerant pipes it affects the compressor It may cause reduction of cooling capacity and malfunction Refrigerant for air purging is not charged in the outdoor unit Use Vacuum Pump as seen in the picture MH040FX A2B MHO40FX A2C MHOSOFXXA2B MHOS50FX A2C MH18VF1X MH19VF1X 1 Checkthe piping connections 2 Connectthe charging hose of low pressure side of manifold gauge to the packed valve having a service port MHO40FX A2B MHO40FX A2C 3 8 service valve 2EA
31. ock any passageways or thoroughfares Choose a location where the noise of the air conditioner when running and the discharged air do not disturb any neighbours Choose a position that enables the piping and cables to be easily connected to the indoor unit and the recommended length will be respected Install the outdoor unit on a flat stable surface that can support its weight and does not generate any unnecessary e noise and vibration em Position the outdoor unit so that the air flow is directed towards the outside as indicated by the arrows on the top of the unit Maintain sufficient clearance around the outdoor unit as indicated in the diagram on the page opposite Make sure that the water dripping from the drain hose runs away correctly and safely N CAUTION You have just purchased a Free Joint Multi air conditioner and it has been installed by your installation specialist This device must be installed according to the national electrical rules Max input power amp current is measured according to IEC standard and input power amp current is measured according to ISO standard More than 2 indoor units should be installed when you use Free Joint Multi air conditioner Our units must be installed in compliance with the spaces indicated in the installation manual to ensure either accessibility from both sides or ability to perform routine maintenance and repairs The units components must be accessi
32. ransmitter to the outdoor unit every indoor unit which is connected to the outdoor unit can be controlled simultaneously Each outdoor unit connected to the same centralized controller has its own transmitter 09 FJM OUTDOOR 28896A IM E 11 23 09indd 19 e Transmitter MAIN Transmitter SUB 485 Communication DC Power Cable DC Power Cable Communication Cable INSTALLING THE OUTDOOR UNIT Transmitter Installation Optional Cable Tie Bolts spec M4 Fix the case with hinges Control Box in the outdoor unit 7seg LED Display side 2009 11 24 9 19 59 INSTALLING THE OUTDOOR UNIT Transmitter Installation Optional Continued MHOS50FX A2B MHO50FX A2C MHO60FX A3B MHO70FX XA4B MHO80FX XA4B Accessories Transmitter MIM B13A Transmitter MAIN Transmitter SUB 485 Communication DC Power Cable DCPowerCable Communication Cable Tie 12V 5V Cable 1 Turn the power off and take off the cover of the outdoor units 7seg LED Display side Bolts spec 2 Fixthe case with bolts to the side of the control box referring to the figure on M4 the left side In case of FJM outdoor unit there is not enough space to fix all parts of transmitter So you may use transmitter main PCB Ti haw 3 Attach the transmitter main PCB to the case then connect F1 F2 lines R1 R2 L lines
33. rmly the terminal may be damaged O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 16 e 2009 11 24 9 19 55 INSTALLING THE OUTDOOR UNIT MHO70FX A4B MHO80FX A4B O Anit f indoor unit C unit EDT RN terminal ED ED Earth Earth terminal terminal 0 RIN Z aloswxs Outdoor unit goga 1 IN 4 L 2 N C9 G9 G9 G9 1 L IN 4 L 2 N Main Power supply cable A B C D Power cable to indoor units Communication cable to indoor units A Cable Type A Torque kgf cm Cable Type B Unfasten Torque Tighten Torque Cable Type C 17 30 25 40 20 35 30 50 The specification for cables Main Power Supply Cable Indoor Power Supply Cable Communication Cable Specication Type Specication Type Specication Type Model MHO4OFX A2B MHO4OFX A2C MHO50FX A2B Frame 30A MHO50FX A2C 2 2 Trip 20A MH18VF1X 3G 2 5mm or 3G 1 0mm or 2G 0 75mm or MH19VF1X more more more HO7RN F HO7RN F HO7RN F Frame 30A MHO60FX A3B Trip 25A MH070FX A4B Frame 30A MHO080FX A4B Trip 30A gt Connect the power cable to the auxiliary circuit breaker If every pole fails to connect to the power supply it must be incorporated in a wire with a contact opening of 23mm gt Theterminal is connected too firmly the terminal may be damaged O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 17 e 2009
34. t S Make at least one round N B It will reduce noise and vibration AJS SSS The appearance of the unit may be different from the diagram depending on the model 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 8 e 2009 11 24 9 19 39 09 FJM OUTDOOR 28896A IM E 11 23 09indd 9 e 2009 11 24 9 19 42 PREPARING THE INSTALLATION MH18VF1X MH19VF1X P Piping outside diameter P n wi EE AM MH18VF1 09 MH18VF1X MH18VF1 09 MH19VF1 07 MH19VE1X 1 220 240 50 MH19VF 1 07 1 4 3 8 MH19VF1 12 MH19VF1 12 Respect the clearances and maximum lengths indicated in the diagram below when installing the unit CLAXUJTTIKO NIS 3 m as minimum pipe length It will reduce noise and vibration This value must be increased at 7 5 meters in case it is connected just one indoor unit B unit MH18VF1 09 or MH19VF1 12 200 mm or more A unit MH19VF1 07 or MH18VF1 09 160 mm or more or more 600 mm minimum 300 mm inimum 300 mm minimum 600 mm minimum Wu P Piping length and the height 1 Room max 2 Room total max Max height between Max height between mm length indoor unit amp outdoor unit indoor units Dimension a 3 System can work with one indoor unit connected but it is recommended that the TOTAL number of indoor unit suggested by manufacturer are connected to obtain the maximum performance Make at least one round I
35. t will reduce noise and vibration The appearance of the unit may be different from the diagram depending on the model e a PREPARING THE INSTALLATION Deciding on Where to Install the Air Conditioner Continued 8l Space Requirements for Outdoor Unit When installing 1 outdoor unit Unit mm U E 300 or more i PES 1500 or more K When the air outlet is opposite the wall When the air outlet is towards the wall p 9 z E 5 e S 2000 or more S 8 M Y a m NM 150 or more 600 or more e K When 3 sides of the outdoor unit are The upper part of the outdoor unit and e blocked by the wall the air outlet is towards the wall o 222222227272 S 300 or more E f v E a HH o U o e re The upper part of the outdoor unit and When front and rear side of the outdoor the air outlet is opposite the wall unit is towards the wall 09 FJM_OUTDOOR_28896A_IM_E_11 23 09 indd 10 e 2009 11 24 9 19 47 PREPARING THE INSTALLATION When installing more than 1 outdoor unit Unit mm U U U eL JL dL I When the air outlet is towards the wall 1500 or more U U U eL JL JL gp 300 or more U 2u Sa U a e 2 gt pe 300 or more 600 or more 600 or more 600 or more When 3 sides of the outdoor unit are blocked b
36. the air conditioner w Rubber leg Model X Y AERE CURA MHO40FX A2C MH18VF1X 543 319 MH19VF1X MHO50FX A2B MHO50FXXA2C MHO60FXA3B 660 350 MHO70FX A4B MHO80FX A4B Designed to cutoff residual vibration from y outdoor unit to rack not supplied with product Soft rubber designed to cut off vibration from rack to wall not supplied with product 09 FJM OUTDOOR 28896A IM E 11 23 09 indd 22 The outdoor unit must be installed on a rigid and stable base to avoid any increase in the noise level and vibration particularly if the outdoor unit is to be installed close to a neighbour If it is to be installed in a location exposed to strong winds or at a height the unit must be fixed to an appropriate support wall or ground 1 Position the outdoor unit so that the air flow is directed towards the outside as indicated by the arrows on the top of the unit 2 Attach the outdoor unit to the appropriate support using anchor bolts 3 If the outdoor unit is exposed to strong winds install shield plates around the outdoor unit so that the fan can operate correctly gt Certainly fix up its rubber leg in order to prevent its vibration and noise OUTDOOR UNIT INSTALLED ON THE WALL BY RACK Ensure the wall will be able to suspend the weight of rack and outdoor u
37. ts cesses ubocsesose ri eue deo R IRE RA AX ERR CEPR 25 B Pipe Installation with Indoor Units eese 26 B Switch Setting and Testing Operation ccc cece cece e eee eeeaee 27 m Troubleshooting x369swer oec DURER wages wes phases mee DR RT E 33 B Explaining Operations to the OWner cece cece cece ce enes 34 m Pump Down Procedure When removing the product 35 09 FJM OUTDOOR 28896A IM E 11 23 09indd 3 e 2009 11 24 9 19 11 PREPARING THE INSTALLATION Deciding on Where to Install the Air Conditioner When deciding on the location of the air conditioner with the owner the following restrictions must be taken into account General Do NOT install the air conditioner in a location where it will come into contact with the following elements Combustible gases Saline air Machine oil Sulphide gas Special environmental conditions 99999 The air conditioner should be used only for the applications for which it has been designed the indoor unit is not suit able to be installed in areas used for laundry If you must install the unit in such conditions first consult your dealer Outdoor Unit The outdoor unit must NEVER be placed on its side or upside down as the compressor lubrication oil will run into the cooling circuit and seriously damage the unit Choose a location that is dry and sunny but not exposed to direct sunlight or strong winds Do not bl
38. versized compared to real thermal load needed Ampere Limit Switch is initially set to the default value table below Ampere Limit Switch is on the PCB of outdoor unit The designs and shape are subject to change according to the model Contact the authorized service technician or dealer for setting and changing the Ampere Limit Switch Before changing the Ampere Limit Switch turn off the main power of the system Ampere Switch Selection MHOA40FXXA2C MHOSOPXXA2B MHO7OFX KA4B MHI8VE1X MHOSOFXXA2C MPOG0PXXA3B MHogorxxagg Witch 3 a Swot MH19VF1X foe ON Oe 3 13 5A 14 5A 16 6A feet mw 3 K1 Default Default Default Default 8 5A i ON OFF OFF OFF View data display Outdoor PCB Display 09 FJM OUTDOOR 28896A IM E 11 23 09indd 30 e 2009 11 24 92050 TTC j j i e COMPLETING THE INSTALLATION Switch the system on and wait for code E 44 to appear on the display of Red Button K1 the external unit this requires approximately 60 seconds As soon as code E 44 displays press once the red button K1 shown on the figure on the side of the page WARNING If the quantity of indoor units connect edis lower than maximum connectable to outdoor unit the rotary switch SWO1 has to be positioned in order to select a number equal to indoor units quantity you connected After the operations described above have be
39. witches 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 specifica tions 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 O09 FJM OUTDOOR 28896A IM E 11 23 09 indd 2 e 2009 11 24 9 19 11 Contents PREPARING THE INSTALLATION B Deciding on Where to Install the Air Conditioner 4 B Air Conditioner and Accessories eeeeeee nnn 12 INSTALLING THE INDOOR UNIT B Installing and Connecting the Outdoor Unit Drain Hose cece eee ee eee eens 13 E Cutting Extending the Piping a3 4999 9 Rita e aco a UR n wore 14 INSTALLING THE OUTDOOR UNIT B Connecting the Cables to the Outdoor Unit eee eee ee eee 15 B Transmitter Installation Optional eese 19 m Checking Correct Earthing eusexscexsebtil vdd pA des Va pE PE A dh ARI 22 E Fixing the Unit in POSION sse A fs es x deans ION rA AC PAR OR DU UR A 22 COMPLETING THE INSTALLATION B Connecting Up and Purging the Circuit cece cece e cence eee 23 B Adding Refrigerant 15 sicesc er oar hk REA RATCT CORPER YE 24 E Performing Leak Tes
40. y the wall Tes ax a Y ormore y 600 or more gt 1500 or more 300 or more e When front and rear side of the outdoor unit is towards the wall Obl a 1500 or more 600 or more prom or more gems or more 200 or more When front and rear side of the outdoor unit is towards the wall 300 or more 500 or more 500 or more The upper part of the outdoor unit and the air outlet is opposite the wall O9 FJM OUTDOOR 28896A IM E 11 23 09 indd 11 e 2009 11 24 9 19 47 PREPARING THE INSTALLATION Air Conditioner and Accessories The following accessories are supplied with the air conditioner Accessories in the Outdoor Unit Case MH040FX A2B MHOA0FX A2C MHO50FXXA2B MHO50FX X A2C MHOGOFX XA3B MH18VF 1X MH19VF 1X 3 wire 2 wire Drain Plug Energy Label Power Cable Assembly Cable option option Rubber Leg Flare Bolt Nut 1 2 Bolt 3 8 except MHO40FXA2B SS Attach Energy Label to the outdoor unit properly when installing MH070FX AA4B MHO80FX A4B 3 wire 2 wire Drain Plug Installation Manual Power Cable Assembly Cable option option Flare Bolt Nut 1 2 Bolt 3 8 Rubber Leg Flare Nuts 6 35mm outer pipe diameter Flare Nuts 9 52mm outer pipe diameter T A m Attach Energy Label to the outdoor unit properly when installing gt The3 wire power cable and the 2 wire assembly cable are optional If these ca
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