Installation manual of MFA-12HRN1
Contents
1. Wiring routing must be properly arranged so that control The safty precautions listed here are divided into two categories In board cover is fixed properly either case important safty information is listed which must be read If control board cover is not fixed perfectly it will cause carefully heat up at connection point of terminal fire or electrical shock WARNING Failure to observe a warning may result in death A CAUTION gt If the supply cord is damaged it must be replaced by the manufacture or its service agent or similarly qualifued person in order to avoid a hazard An all pole disconnection swith having a contact separation of at least 3mm in all poles should be connected in fixed wiring Failure to observe a caution may result in injury or damage to the equipment After completing the installation make sure that the unit operates properly during the start up operation Please instruct the customer on how to operate the unit and keep it maintained Also inform customers that they should store this installation manual along with the owner s manual for future reference When carrying out piping connection take care not to let air substances go into refrigeration cycle Otherwise it will cause lower capacity abnormal high pressure in the refrigeration cycle explosion and injury Do not modify the length of the power supply cord or use of extension cord and do not share the single outlet w2. Turn tf until the shaft stops Do not apply excessive force 7 Disassemble the charge hose from the service port of stop to the stop valve Doing so may breakthe valve body as valve A and fasten the nut the valve is not a backseat type Always use the special tool 3 Make sure to tighten the cap securely Indoor 2 Closing stop valve Outdoor a ee nit A Gasside C 1 Remove the cap and turn the valve clockwise with the hexagon wrench Liquid side D 2 Securely tighten the valve until the shaft contacts the PR FA f R main bodyseal Fig 7 10 Make sure to tighten the cap securely For the tightening torque refer to the table below installation manual 8 QS011 038AW The design and specifications are subject to change without prior notice for product improvement Consult with the sales agency or manufacturer for details 202000100268 2011 02 23 One way Added Refrigerant 15g m L 30g mxL 60g mxL When Over 2 i i m Drainage test OL EN a Lee 11 a mx L 5 30g mx L 5 6ogimx L 5 Check whether the drainpipe is unhindered New built house should have this test done before R g Additional refrigetant to be charged paving the ceiling L m The length of the refrigerant pipe one way D mm Liquid Side Piping Diameter m Install the drain joint of the outdoor unit NOTE Fit the seal into the drain joint then insert the drain joint into the y base pan hole of outdoor rotate 90
3. m Connect the drain pipe While following the instructions in this installation manual install drain piping in order to ensure proper drainage and insulate piping in order to prevent condensation Improper drain piping may result in water leakage and property damage m Wiring m Test operation Install the indoor and outdoor units power supply wiring and connecting wires at least 1 meter away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient enough to eliminate the noise The appliance is not intended for use by young children or infirm persons without supervision Don t install the air conditioner in the following locations m There is petrolatum existing m There is salty air surrounding near the coast m There is caustic gas the sulfide for example existing in the air near a hot spring The Volt vibrates violently in the factories In buses or cabinets In kitchen where it is full of oil gas There is strong electromagnetic wave existing There are inflammable materials or gas There is acid or alkaline liquid evaporating Other special conditions installation manual 2 2 Connect the indoor unit at first then the outdoor Table 7 3 unit Tightening torque NeM Turn clockwise to cose Bend the tubing in proper way Do not harm
4. 50Hz CIRCUIT BREAKER FUSE A 20 16 30 25 INDOOR UNIT POWER WIRINGMM 3x1 5 3x2 5 GROUND WIRING 1 5 2 5 CONNECTING WIRING WIRING STRONG ELECTRIC 4x1 5 4x2 5 mm WEAK ELECTRIC SIGNAL Wiring figure B Fig 9 4 Installing wiring chart refer to link circuit chart for details Power supply a Available locally Switch Fuse Power wiring Power linking wiring Indoor Unit Outdoor Unit Ground wiring anti interference function Ground the air conditioner properly in case to affect its trong elec signal link wiring For 12000Btu h and 18000Btu h Install according to this installation instructions strictly If installation is defective it will cause water leakage electrical shock fire CONTENTS PAGE PRECAUTIONS When installing the unit in a small room take measures 3 against to keep refrigerant concentration from exceeding allowable safety limits in the event of refrigerant leakage Contact the place of purchase for more information Excessive refrigerant in a closed ambient can lead to oxygen deficiency INSTALLATION INFORMATION ACCESSORIES INSPECTING AND HANDLING THE UNI INDOOR UNIT INSTALLATION Use the attached accessories parts and specified parts for installation 4 OUTDOOR UNIT INSTALLATION 5 6 otherwise it will cause the se
5. Dissemble the bolts from the cover If there isn t a cover on the outdoor unit disassemble the bolts from the maintenance board and pull it in the direction of the arrow to remove the protection board Refer to Fig 9 2 Cover Protection board Fig 9 2 NOTE All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail installation manual 10
6. to securely assemble them Connect the drain joint with an extension drain hose Locally purchased in case of the condensate draining off the outdoor unit during the heating mode Refer to Fig 8 2 Ifa negative result is gotten for R from the formule at right no refrigam needs to be added nor removed installation manual 9 4 INSPECTING AND HANDLING THE UNIT At delivery the package should be checked and any damage should be reported immediately to the service agent When handling the unit take into account the following 5 1 Fragile handle the unit with care Tt Keep the unit upright in order to avoid compressor damage Choose on before hand the path along which the unit is to be brought in Move this unit as originally package as possible When lifting the unit always use protectors to prevent belt damage and pay attention to the position of the unit s centre of gravity INDOOR UNIT INSTALLATION Installation place The indoor unit should be installed in a location that meets the following reauirements There is enough room for installation and maintenance Refer to Fig 5 1 and Fig 5 2 The outlet and the inlet are not impeded and the influence of external air is the least e The air flow can reach throughout the room The connecting pipe and drainpipe could be extracted out easily e There is no direct radiation from heaters A CAUTION Kee
7. to them Stop Cap Mal eae wy vaia Bend the pipe with thumb ee Hen AT gag 54768 Hexagonal 13 5 16 5 wrench 4 mm 12 7 8 1 9 9 18 22 min radius 100mm 115 13 9 i a Hexagonal y Fig 7 6 15 9 13 5 16 5 wrench 6mm 23 27 22 2 Hexagonal The bending angle should not exceed 90 27 33 wrench 36 44 25 4 10mm Bending position is preferably in the middle of the bendable pipe The larger the bending radius the better it A CAUTION Do not bend the pipe more than three times When connecting the flare nut coat the flare both inside Always use a charge hose for service port connection 3 ACCESSORIES Please check whether the following fittings are of full scope If there are some spare fittings please restore them carefully Table 3 1 Installation fi 2 Remote controller Remote controller amp Its Frame 4 Mounting screw ST2 9x10 C H 5 Alkaline dry batteries AM4 6 Owner s manual 7 Installation manual Both side covers may be installed on 42K 48K unit already or be put into the accessories Cautions on remote controller installation B Never throw or beat the controller Mounting screw B ST2 9x10 C H m Before installation operate the remote controller to determine its location in a reception range m Keep the remote controller at least 1m apart from the nearest TV set or stereo equipment it is necessary to prevent image disturban
8. INSTALLATION MANUAL Floor Standing Type Thank you very much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference 6 OUTDOOR UNIT INSTALLATION 6 1 Installation Place m The outdoor unit should be installed invvv the location that meets the following requiements There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and can not be reached by strong wind it must be a dry and well ventilating place The support is flat and horizontal and can stand the weight of the outdoor unit And will no additional noise or vibration Your neighborhood will not feel uncomfortable with the noise or expelled air Side air outlet outdoor unit Wall or obstacle g oom N Air iniet D gt Maintain channel gt 60cm P Fig 6 4 itis easy to install the connecting pipes or cables Determine the air outlet direction where the discharged air is not blocked There is no danger of fire due to leakage of inflammable gas The piping length between the outdoor unit and the indoor unit may not exceed the allowable piping length In the case that the installation place is exposed to strong wind such as a seaside make sure the fan operating properly by putting the unit lengthwise along the wall or using a dust or shield Refer to F
9. PHASE Air Conditioner Link circuit For R410a Cooling amp Heating m Fig 9 6 INDOOR UNIT Aes ac Tigre xn power 220 240 sone 5 emre cabio a2 Smi 3 mm eae A 9 iela Q A fil lel g e 3 fl a deore cable arz m 18000Btu h 1 PHASE Air Conditioner Link circuit For R410a Cooling amp Heating faa manua 13 Fig 7 8 2 Connect the joint of the charge hose with the vacuum pump A CAUTION 3 Open the Lo lever of the manifold value completely Too large torque will harm the bellmouthing and too small will cause leakage Please determine the torque 4 Tum on the vacuum pump At the beginning of pumping according to Table 4 loosen the maintenance nut of stop valve B a little to check coe whether the air comes in the sound of the pump changes After the connecting work is finished be sure to check and the indicator of compound meter turns below zero Then that there is no gas leak fasten the maintenace nut How to expel the air with a vacuum pump 5 When the pumping has finished close the Lo lever of the manifold valve completely and turn off the vacuum Stop valve operation introduction pump Make pumping for 15 minutes or more and check that the compound meter indicates 76cmHg 1X10 Pa 4 Opening stop valve 1 Remove the cap and tum the valve 6 Loosen and remove the cap of stop valves A and B to open counterclock wise with the hexagon wrench stop valve A and B completely then fasten the cap 2
10. The length of the tubing and the added stow capacity of the refrigerant have been recorded e The power voltage fits the rated voltage of the air conditioner There is no obstacle at the outlet and inlet of the outdoor and indoor units The gas side and liquid side stop valves are both opened The air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller frame where the remote controller s signal can reach the indoor unit smoothly 4 Test operation m Set the air conditioner under the mode of COOLING with the remote controller and check the following points If there is any malfunction please resolve it according to the chapter Troubleshooting in the Owner s Manual 1 The indoor unit a Whether the switch on the remote controller works well b Whether the buttons on the remote controller works well c Whether the air flow louver moves normally d Whether the room temperature is adjusted well e Whether the indicator lights normally f Whether the temporary buttons works well g Whether the drainage is normal h Whether there is vibration or abnormal noise during operation Whether the air conditioner heats well in the case of the HEATING COOLING type 2 The outdoor unit a Whether there is vibration or abnormal noise during operation b Whether the generated wind noise or condensed of by the air conditioner have influenced your nei
11. ces or noise interferences m Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove Remote controller holder m Note that the positive and negative poles are right positions when loading batteries Remote controller m This manual is subject to changes due to technological improvement without further Fig 3 1 notices installation manual 3 8 CONNECT THE DRAIN PIPE Manifold valve Multimeter Pressure meter inatail the deainbk Peina it 5 m Install the drainpipe of the indoor uni T6 omHg NO Lo ever Hilever The outlet has PTI screw bread Please use sealing materials Charge hose Charge hase and pipe sheath fitting when connecting PVC pipes i Vacuum pump Sra A Lo lever Fig 7 11 CAUTION The drain pipe of indoor unit must be heat insulated or it will condense dew as well as the connections of the indoor unit Hard PVC binder must be used for pipe connection and make sure there is no leakage 7 2 Additional Refrigerant Charge With the connection part to the indoor unit please be noted not and outside with either oil or ester oil and initially tighten by hand 3 or 4 turns before tighting firmly Na MA Fig 7 7 Be sure to use both a spanner and torque wrench together when connecting or disconnecting pipes to from the unit After tightening the cap check that no re
12. ction cable away from the copper tube m The air conditioner must be installed by qualified persons After completing the installation work check that the When installing the indoor unit or its tubing please follow refrigerant does not leak Toxic gas may be produced if the refrigerant leaks into the room and comes into contact with a source of fire such asa W if the air conditioner is installed on a metal part of the fan heater stove or cooker building it must be electrically insulated according to the relevant standards to electrical appliances this manual as strictly as possible m When all the installation work is finished please turn on the power only after a thorough check A CAUTION m Regret for no further announcement if there is any change Ground the air conditioner of this manual caused by product improvement Do not connect the ground wire to gas or water pipes lightning rod or a telephone ground wire Incomplete grounding may result in electric shocks INSTALLATION ORDER Be sure to install an earth leakage breaker Select the location Failure to install an earth leakage breaker may result in electric shocks Install the indoor unit Connect the outdoor unit wires then connect the indoor unit wires You are not allow to connect the air conditioner with the power source until wiring and piping the air conditioner is done Install the outdoor unit m install the connecting pipe
13. figures on the right for the installation of the pipes 15m 2m material ower than 1 100 oon Put as deep as possible about 10cm Se 264 9 5 127 Less than 5m lower than 1 100 vP30 Fig 8 1 installation manual 12 DCERKRH PACE SHE SPOLPERPCRE EBM CRRA HERA EMIX RI Insert a flare nut into a pipe and flare the pipe Fig 7 5 Refer to Table 7 2 for the dimension of flare nut spaces Fig 7 2 Table 7 2 Seg Tightening torque 5 16 Nm 153 163 kgf cm 3 Remove the face plate 25 26N m 255 265 kgf cm Remove the four screws Refer to Fig 7 2 35 36 Nm Opening bottom of face plate for a angle that is 30 357 367 kgf cm degrees then the top of face plate will be take up Refer to AEAT Nm Fig 7 3 459 480 kgf cm 65 67N m 663 684 kgf cm 229 233 installation manual 7 A CAUTION When wiring please choose the corresponding chart or it may cause damage E Fig 9 5 INDOOR UNIT zll b Tio 8 xn a power 220 240v sone 2 4 O Q ke a E 2 3 T cre catie x 12000Btu h 1
14. frigerant leaks arepresent service port maintenance nut seal shaft hexagon hole Fig 7 9 Using the vacuum pump Loosen and remove the maintenance nuts of stop valves A and B and connect the charge hose of the manifold valve to the service port of stop valve A Be sure that stop valves A and B are both closed A CAUTION Refrigerant cannot be charged until field wiring has been completed Refrigerant may only be charged after performing the leak test and the vacuum pumping When charging a system care shall be taken that its maximum permissible charge is never exceeded in view of the danger of liquid hammer Charging with an unsuitable substance may cause explosions and accidents so always ensure that the appropriate refrigerant is charged Refrigerant containers shall be opened slowly Always use protective gloves and protect your eyes when charging refrigerant The outdoor unit is factory charged with refrigerant Calculate the added refrigerant according to the diameter and the length of the liquid side pipe of the outdoor unit indoor unit connection Table 7 4 hd to impose pressure on the side of indoor unit pipes When the declivity of the drain pipe downwards is over 1 100 there should not be any winding The total length of the drain pipe when pulled out traversely shall not exceed 20m when the pipe is over long a prop stand must be installed to prevent winding Refer to the
15. ghborhood c Whether any of the refrigerant is leaked A CAUTION A protection feature prevents the air conditioner from being activated for approximately 3 minutes when it is restarted immediately after shut off Installation manual 11 Fix with bolt Fig 6 5 NOTE All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail 7 INSTALL THE CONNECTING PIPE Check whether the height drop between the indoor unit and outdo or unit the length of refrigerant pipe and the number of the bends meet the following requirements Table 7 1 The The number of bends Less than 5 Less than 8 7 1 Capacity Btu h 12000 18000 The max height drop 5m 10m EEUU Less than 15m Less than 20m The Procedure of Connecting Pipes A CAUTION All field piping must be provided by a licensed refrigeration technician and must comply with the relevant local and national codes Do not let air dust or other impurities fall in the pipe system during the time of installation The connecting pipe should not be installed until the indoor and outdoor units have been fixed already Keep the connecting pipe dry and do not let moisture in during installation Execute heat insulation work completely on both sides of the gas p
16. ig 6 1 If possible do not install the unit where it is exposed to direct sunlight If necessary install a blind that does not interfere with the air flow During the heating mode the water drained off the outdoor unit The condensate should be well drained away by the drain hole to an appropriate place so as not to interfere other people Select the position where it will not be subject to snow drifts accumulation of leaves or other seasonal debris If unavoidable please cover it with a shelter Locate the outdoor unit as close to the indoor unit as possible If possible please remove the obstacles nearby to prevent the performance from being impeded by too little of air circulation The minimum distance between the outdoor unit and Fig 6 2 NOTE All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail 6 2 Moving and installation Since the gravity center of the unit is not at its physical center so please be careful when lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation accoding to the sepecif ications of the outdoor units Refer to Fig 6 6 Fasten the feet of this unit with bolts firmly to p
17. iping and the liquid g Otherwise this can sometimes result in water leakag Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover Bind the connecting pipe and the cables together tightly with binding tapes Pass the bound connecting pipe through the wall conduct from outside Be careful of the pipe allocation to do on damage to the tubing Connect the pipes Refer to How to Connect the pipes for details Expel the air with a vacuum pump Refer to How to expel the air with a vacuum pump for details open the stop values of the outdoor unit to make the refrigerant pipe connecting the indoor unit with the outdoor unit in fluent flow Check the leakage Check all the joints with the leak detector or soap water Cover the joints of the connecting pipe with the soundproof insulating sheath fittings and bind it well with the tapes to prevent leakage CAUTION Be sure to with insulating materials cover all the exposed parts of the flare pipe joints and refrigerant pipe on the liquid side and the gas side Ensure that there is no gap between them Incomplete insulation may cause water condensation installation manual 6 The Specification of Power Table 9 2 12000Btu h 18000Btu h TYPE for R410a Cooling amp Heating Cooling amp Heating PHASE 1 PHASE 1 PHASE izenan 220 240V 50Hz 220 240V
18. it The wiring work should be done by qualified persons according to circuit drawing An all pole disconnection device which has at least 3mm separation distance in all pole and a residual current device RCD with the rating of above 10mA shall be incorporated in the fixed wiring according to the national rule Be sure to locate the power wiring and the signal wring well to avoid cross disturbance Do not turn on the power until you have checked carefully after wiring NOTE Remark per EMC Directive 89 336 EEC For to prevent flicker impressions during the start of the compressor technical process following installation conditions do apply 1 The power connection for the air conditioner has to be done at the main power distribution The distribution has to be of a low impedance normally the required impedance reaches at a 32 A fusing point 2 No other equipment has to be connected with this power line 3 For detailed installation acceptance please refer to your power supplier if restrictions do apply for products like washing machines air conditioners or electrical ovens 4 For power details of the air conditioner refer to the rating plate of the product 5 For any question contact your local dealer 9 1 Connect the cable The installation bearer of sensing device rotated to another side and then takes off cover of electrical box Refer to Fig 9 1 Installation bearer of sensing device
19. ith other electrical appliances Otherwise it will cause fire or electrical shock A WARNING Be sure only trained and qualified service personnel to install repair or service the equipment Carry out the specified installation work after taking into account strong winds typhoons or earthquakes Improper installation work may result in the equipment falling and causing accidents Improper installation repair and maintenance may result in electric shocks short circuit leaks fire or other damage to the equipment Installation manual 1 m How to take indoor unit apart to connect the pipes 1 Open the frant panel Slide the two stoppers on the left and right sides inword until they click Refer to Fig 7 1 How to take outdoor unit apart to connect the pipes Remove the water tray Refer to Fig 7 4 Fig 7 1 2 Remove the front panel Remove the string Refer to Fig 7 2 Allowing the front panel to fall forward will enable you to remove it How to Connect the pipes 1 Flaring Cuta pipe with a pipe cutter Refer to Fig 7 5 If the refrigerant leaks during installation ventilate the 2 INSTALLATION INFORMATION area immediately Toxic gas may be produced if the refrigerant comes into the place contacting with fire m To install properly please read this installation manual at The temperature of refrigerant circuit will be high please first keep the interconne
20. p indoor unit outdoor unit power supply wiring and transmission wiring at least 1 meter away from televisions and radios This is to prevent image interference and noise in those electrical appliances Noise may be generated depending on the conditions under which the electric wave is generated even if 1 meter is kept 21000mm 700mm 210mm 600mm 196mm Hook Fig 5 2 5 2 Install the main body Fix the hook with tapping screw onto the wall Refer to Fig 5 3 Hook Tapping screw Fig 5 3 Hang the indoor unit on the hook The bottom of body can touch with floor or suspended but the body must install vertically installation manual 4 Sai Drain joint The base pan hole of outdoor unit Seal The base pan Drain of outdoor unit Joint Fig 8 2 All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail 9 WIRING A CAUTION The appliance shall be installed in accordance with natioan wiring regualtions The air conditioner should use separate power supply with rated voltage The external power supply to the air conditioner should have ground wiring which is linked to the ground wiring of the indoor and outdoor un
21. revent it from collapsing in case of earthquake or strong wind Refer to Fig 6 6 2600m obstacles described in the installation chart does not mean that the same is applicable to the situation of an airtight room Leave open two of the three directions Refore to Fig 6 4 XN Fig 6 3 x Table 6 1 mm CAPACITY F i Fig 6 1 meu A B c gt ee F H puim Buoys NOTE 780 548 266 300 241 250 547 All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail installation manual 5 m Connect the connective cables to the terminals as identified 10 TEST OPERATION with their respective mached numbers on the terminal block of indoor and outdoor units 1 The test operation must be carried out after the entire R installation has been completed m Reinstall the Indoor unit and outdoor unit 2 Please confirm the following points before the test operation 9 2 The Specification of Power Refer to Table 9 2 The indoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed 9 3 Wiring figure The refrigerant pipe system is leakage checked Refer to Fig9 4 Fig9 6 The drainage is unimpeded The heating insulation works well The ground wiring is connected correctly
22. t to fall water leakage 9 o INSTALL THE CONNECTING PIPE CONNECT THE DRAIN PIPE electrical shock fire WIRING Install at a strong and firm location which is able to ar withstand the set s weight If the strength is not enough or installation is not properly done the set will drop to cause injury TEST OPERATION r The appliance shall not be installed in the laundry Before obtaining access to terminals all supply circuits must be disconnected The appliance must be positioned so that the plug is accessible 1 PRECAUTIONS The enclosure of the appliance shall be marked by word or by symbols with the direction of the fluid flow For electrical work follow the local national wiring r ae rai i ie am capi with the Jocal national and standard regulation and this installation instructions An Envernaionalliaws andireguiasions independent circuit and single outlet must be used E Read PRECAUTIONS carefully before installation If eleetrical chout capacity is not enough ar defect in electrical work it will cause electrical shock fire s P Eoo raae important safty Hems Use the specified cable and connect tightly and clamp pat the cable so that no external force will be acted on the terminal m Keep this manual with the owner s manual in a handy place If connection or fixing is not perfect it will cause heat up or for future reference fire at the connection
Download Pdf Manuals
Related Search