INSTALLATION MANUAL - daikin tech.co. uk
Contents
1. Suspension 1148 bolt x 4 1100 P lt Indoor unit eG i Air outlet Air inlet H tl ES x 0 8 5 8 2 25 Bo 8 3 35 1100 service space Fig 2 length mm hatch 60 2 Install a canvass ductto the air discharge outlet and air inlet so that vibration from the machine body isn t transmitted to the duct or ceiling You should also apply sound absorbing material to the inside of the duct and vibration insulation rubber to the sus pension bolts 3 Install suspension bolts Use bolts of 10 mm diameter Install the equipment where supporting structures are strong enough to bear the equipment s weight Use embedded inserts or anchor bolts with new buildings and hole in anchors with old buildings Installation example gt Z i Z Ceiling slab Long nut or turn buckle Suspension bolt Indoor unit Note All the above parts are field supplied 5 INDOOR UNIT INSTALLATION Installing optional accessories before installing the indoor unit is easier As for the parts to be used for installation work be sure to use the provided accessories and specified parts designated by our company 1 Fix the hanger bracket to the suspension bolt Tighten both upper and lower nuts firmly using washers Part to be procured in the field Washer acces2. MCA Min Circuit Amps A MFA Max Fuse Amps A kW Fan Motor Rated Output kW FLA Full Load Amps A 8 3 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE Powarsupphiwitn Remote controller wiring 9 Transmission wiring Model i Fieldfuses Wire Size Wire Size FXMQ40 50 63M A VE FXMQ80M A VE Size must FXMQ100M A VE a Hosw comply m 0 75 FXMQ125M A VE U3G with local Ham 125 mn FXMQ200M A VE codes MAV7 FXMQ250M A VE MAV7 NOTE 1 Allowable length of transmission wiring between indoor outdoor units and between the indoor unit and the remote controller is as follows 1 Outdoor unit Indoor unit Max 1000 m Total wiring length 2000 m 2 Indoor unit Remote controller Max 500 m 9 WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 9 1 HOW TO CONNECT WIRINGS Remove the control box lid and wire as shown in the figure below FXMQAO 50 63 80 100 125M A VE gt Control box lid Power supply wiring Field wiring Transmission wiring Field wiring Remote controller wiring Field wiring Wiring Wire locking Remote controller and transmission bracket English FXMQ200 250M A VE MAV7 Remote controller wiring Field wiring Transmission Power suppl wiring iring oid d
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8. N CAUTION 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 2 Use suspension bolts for installation Check whether the ceiling is strong enough to support the weight of the unit or not If there is a risk reinforce the ceiling before installing the unit FXMQAO 50 63 80 100 125M A VE gt 222 22 22 450 Model A FXMQ40M A VE el 8 50M A VE 750 lt 63M A VE 80M A VE FXMQ100M A VE 1100 125M A VE Min 700 service space 200 250M A VE MAV7 gt 4 4 4 4 4 4 4 Min 650 service space XT sss 470 Fig 1 length mm English 4 PREPARATIONS BEFORE INSTALLA TION 1 Relative positions of indoor unit and suspension bolt Refer to Fig 2 FXMQAO 50 63 80 100 125M A VE gt Suspension bolt x 4 a Indoor unit a lt m Air outlet Air inlet Bo hatch 450 ____ 740 B FXMQ40M A VE 50M A VE 63M A VE 80M A VE FXMQ100M A VE 125M A VE 670 720 1060 1110 FXMQ200 250M A VE MAV7 gt
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10. Depending on the radio waves a distance of 1 meter may not be sufficient to eliminate the noise Install the indoor unit as far as possible from fluorescent lamps If a wireless remote controller kit is installed the transmission distance may be shorter in a room where an electronic light ing type inverter or rapid start type fluorescent lamp is installed Do not install the air conditioner in places such as the follow ing 1 Where there is mist of oil oil spray or vapour for example a kitchen Resin parts may deteriorate and cause them to fall out or water to leak 2 Where corrosive gas such as sulfurous acid gas is pro duced Corrosion of copper pipings or brazed parts may cause the refrigerant to leak 3 Where there is machinery which emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the equipment 4 Where flammable gases may leak where carbon fibre or ignitable dust is suspended in the air or where volatile flammables such as thinner or gasoline are handled If the gas should leak and remained around the air condi tioner it may cause ignition The air conditioner is not intended for use in a potentially explosive atmosphere BEFORE INSTALLATION When moving the unit while removing it from the carton box be sure to lift it by holding on to the four lifting lugs without exerting any pressure on other parts especially the refrigerant pipi
11. Operation manual Installation Shape manual FXMQ40 50 63 80M A VE 16 Washers 100 125 28 8 FXMQ200 250M A VE MAV7 Attached Other ve piping 1 Operation manual Quantity 1 set Installation manual Screws for flange connection M5 40 pcs Insulation material for hanger 2 pcs Washers 8 pcs Clamps 2 pcs Hexagon head bolt for pipe flange M10 2pcs Spring washer for pipe flange M10 Shape 2 English 2 3 OPTIONAL ACCESSORIES These are two types of remote controllers wired and wire less Select a remote controller according to customer request and install in an appropriate place Table 1 Remote controller Wired type Heat pump type Wireless type T P Yp Cooling only type NOTE f you wish to use a remote controller that is not listed in Table 1 select a suitable remote controller after consulting catalogs and technical materials FOR THE FOLLOWING ITEMS TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED a Items to be checked after completion of work Items to be checked not PIS erly done what is Check likely to occur Are the indoor and outdoor unit The units may drop vibrate or fixed firmly make noise Is the gas leak test finished 2
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13. INSTALLER Be sure to instruct customers how to properly operate the unit especially cleaning filters operating different functions and adjusting the temperature by having them carry out operations themselves while looking at the manual 3 SELECTING INSTALLATION SITE Please attach additional thermal insulation material to the unit body when it is believed that the relative humidity in the ceiling exceeds 80 Use glass wool polyethylene foam or similar with a thickness of 10 mm or more as thermal insulation mate rial 1 Select an installation site where the following conditions are fulfilled and that meets with your customer s approval Inthe upper space including the back of the ceiling of the indoor unit where there is no possible dripping of water from the refrigerant pipe drain pipe water pipe etc Where optimum air distribution can be ensured Where nothing blocks the air passage Where condensate can be properly drained f supporting structural members are not strong enough to take the unit s weight the unit could fall out of place and cause serious injury Where the false ceiling is not noticeably on an incline Where there is no risk of flammable gas leakage Where sufficient clearance for maintenance and service can be ensured Refer to Fig 1 Where piping between indoor and outdoor units is possi ble within the allowable limit Refer to the installation manual of the outdoor unit
14. In addition it may lead to vibration of indoor units and cause unpleasant chattering noise Carry out the specified installation work in consideration of strong winds typhoons or earthquakes Improper installa tion may result in an accident such as air conditioner falling Make certain that all electrical work is carried out by qualified personnel according to the applicable legislation note 1 and this installation manual using a separate circuit In addition even if the wiring is short make sure to use a wir ing that has sufficient length and never connect additional wiring to make the length sufficient Insufficient capacity of the power supply circuit or improper electrical construction may lead to electric shocks or a fire note 1 applicable legislation means international national and local directives laws regulations and or codes which are relevant and applicable for a certain product or domain Earth the air conditioner Do not connect the earth wiring to gas or water piping light ning conductor or telephone earth wiring Incomplete earthing may cause electric shocks or a fire A high surge current from lightning or other sources may cause damage to the air conditioner Be sure to install an earth leakage circuit breaker Failure to do so may cause electric shocks and a fire Disconnect the power supply before touching the electric components If you touch the live part you may get an electric s
15. ON OFF OPERATIONS in response to Input A FORCED OFF ON OFF OPERATION Input ON stops operation impossible by Input OFF ON turns remote controllers ON unit Input OFF enables control by remote con Input ON gt OFF turns troller OFF unit 3 How to select FORCED OFF and ON OFF OPERATION Turn the power on and then use the remote controller to select operation 9 5 CENTRALIZED CONTROL Forcentralized control itis necessary to designate the group No For details referto the manual of each optional controller for centralized control 10 FIELD SETTING Make sure the terminal box lids are closed on the indoor and outdoor units Field setting must be made from the remote controller in accordance with the installation condition Setting can be made by changing the Mode No FIRST CODE and SECOND CODE For setting and operation refer to the FIELD SETTING in the installation manual of the remote controller SECOND CODE NO y 2 MODE NO FIRST CODE NO ET I SETTING t FIELD SET MODE Set the remote controller to the field set mode For details refer to the HOW TO SET IN THE FIELD in the remote controller manual When in the field set mode select mode No 12 then set the first code switch No to 1 Then set second code position No to 01 for FORCED OFF and 02 f
16. Table 2 Pipe Flare P Tightening torque dimensions Flare shape size A mm 6 4 1 47 14 2 17 2N m 8 7 9 1 Lad 39 9N R0 4 0 8 3 8 32 7 39 9N m 12 8 13 2 amp b 4 0 127 lt 1 2 49 5 60 3N m 16 2 16 6 15 9 B 5 8 61 8 75 4N m 19 3 19 7 The flare nuts used must be those included with the main body Ester oil or ether oil Piping union Flare nut CAUTION Over tightening may damage the flare and cause a refriger ant leakage Use Table 3 as a reference if a torque wrench is not available Once work is complete make sure there is no gas leaking As the flare nut is tightened with the wrench the torque will sud denly increase From that position tighten the nut to the angle shown on Table 3 After checking the pipe connection for gas leakage be sure to insulate the liquid and gas piping referring to the figure below Wrap the sealing pad accessory only around the insulation for the joints on the gas piping side CAUTION Be sure to insulate any field piping all the way to the piping connection inside the unit Any exposed piping may cause condensation or burns if touched Clamp x 4 Small accessory sealing pad Insulation for accessory fitting accessory for gas line Gas pipe Liquid pipe NOTE Attached piping is needed for co
17. also be used to alert against unsafe practices After the installation is completed test the air conditioner and check if the air conditioner operates properly Give the user adequate instructions concerning the use and cleaning of the indoor unit according to the Operation Manual Ask the user to keep this manual and the Operation Manual together in a handy place for future reference WARNING Ask your local dealer or qualified personnel to carry out installation work Improper installation may result in water leakage electric shocks or a fire Perform installation work in accordance with this installation manual Improper installation may result in water leakage electric shocks or a fire Consult your local dealer regarding what to do in case of refrigerant leakage When the air conditioner is installed in a small room it is nec essary to take proper measures so that the amount of any leaked refrigerant does not exceed the concentration limit in the event of a leakage Otherwise this may lead to an accident due to oxygen defi ciency Be sure to use only the specified parts and accessories for installation work Failure to use the specified parts may result in the air condi tioner falling down water leakage electric shocks a fire etc Install the air conditioner on a foundation that can withstand its mass Insufficient strength may result in the air conditioner falling down and causing injury
18. off and then turned back on again Refer to the installation manual attached to the outdoor unit for the size of power supply wiring connected to the outdoor unit the capacity of the circuit breaker and switch and wiring instructions Be sure to ground the air conditioner Donot connect the ground wire to gas and water pipes light ning rods or telephone ground wires Gas pipes might cause explosions or fire if gas leaks Water pipes no grounding effect if hard vinyl piping is used Telephone ground wires or lightning rods might cause abnormally high electric potential in the ground during lighting storms 8 2 ELECTRICAL CHARACTERISTICS Units Power supply Fan motor Model Hz vots volage mea kw FLA range FXMQ40 50 13 15 0 100 10 15 15 0160 12 FXMQ100M A VE 50 220 264 25 15 0270 20 240 Min 198 FXMQ125M A VE 38 15 0430 30 FXMQ200M A VE 81 15 03802 65 FXMQ250M A VE 90 15 03802 72 FXMQ200MAV7 so 20 81 15 03802 65 FXMQ250MAV7 Min 198 90 15 03802 72 GRAVE m 14 15 0100 11 16 15 0460 13 FXMQ100M A VE 60 220 s 30 15 0270 24 FXMQ125M A VE 44 15 0430 35 FXMQ200M A VE 90 15 03802 72 FXMQ250M A VE 10 1 15 0 380 2 81
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20. Air Conditioners Installation manual CONTENTS 1 SAFETY PRECAUTIONS cere 1 2 BEFORE INSTALLATION 2 3 SELECTING INSTALLATION 3 4 PREPARATIONS BEFORE INSTALLATION 4 5 INDOOR UNIT INSTALLATION pp 4 6 REFRIGERANT PIPING WORK 7 DRAIN PIPING 8 ELECTRIC WIRING WORK 9 WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 7 10 FIELD SETTINQ 2 tert tiec ctun tee nitur 10 11 TEST OPERATION 10 The original instructions are written in English All other lan guages are translations of the original instructions 1 SAFETY PRECAUTIONS Be sure to follow this SAFETY PRECAUTIONS This product comes under the term appliances not accessible to the general public This is a class A product In a domestic environment this prod uct may cause radio interference in which case the user may be required to take adequate measures This manual classifies the precautions into WARNINGS and CAUTIONS Be sure to follow all the precautions below They are all impor tant for ensuring safety N WARNING Em Indicates a potentially hazardous situ ation which if not avoided could result in death or serious injury A CAUTION Indicates a potentially hazardous situa tion which if not avoided may result in minor or moderate injury It may
21. DAIKIN INSTALLATION MANUAL 373937 SYSTEM Inverter Air Conditioners MODELS Ceiling mounted Duct type FXMQ40MVE FXMQ100MVE FXMQ40MAVE FXMQ100MAVE FXMQ200MAV7 FXMQ50MVE FXMQ125MVE FXMQ50MAVE FXMQ125MAVE FXMQ250MAV7 FXMQ63MVE FXMQ200MVE FXMQ63MAVE FXMQ200MAVE FXMQ80MVE FXMQ250MVE FXMQ80MAVE FXMQ250MAVE READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE LESEN SIE DIESE ANWEISUNGEN VOR DER INSTALLATION SORGFALTIG DURCH BEWAHREN SIE DIESE ANLEITUNG FUR SPATERE BEZUGNAHME GRIFFBEREIT AUF LIRE SOIGNEUSEMENT CES INSTRUCTIONS AVANT L INSTALLATION CONSERVER CE MANUEL A PORTEE DE MAIN POUR REFERENCE ULTERIEURE LEA CUIDADOSAMENTE ESTAS INSTRUCCIONES ANTES DE INSTALAR GUARDE ESTE MANUAL EN UN LUGAR A MANO PARA LEER EN CASO DE TENER ALGUNA DUDA PRIMA DELL INSTALLAZIONE LEGGERE ATTENTAMENTE QUESTE ISTRUZIONI TENERE QUESTO MANUALE A PORTATA DI MANO PER RIFERIMENTI FUTURI AIABAZTE MPOZEKTIKA TI ANO THN ETKATAZTAZH EXETE TO EYKAIPO TO ZYMBOYAEYE2TE 2TO LEES DEZE INSTRUCTIES ZORGVULDIG DOOR VOOR INSTALLATIE BEWAAR DEZE HAN DLEINDING WAAR U HEM KUNT TERUGVINDEN VOOR LATERE NASLAG LEIA COM ATEN O ESTAS INSTRU ES ANTES DE REALIZAR A INSTALA O MANTENHA ESTE MANUAL AO SEU ALCANCE PARA FUTURAS CONSULTAS
22. Is the unit fully insulated Condensate water may drip Does drainage flow smoothly Condensate water may drip Does the power supply voltage The unit may malfunction or correspond to that shown on the components burn out the name plate Aravitina and bibina correct The unit may malfunction or 9 piping the components burn out Is the unit safely grounded Dangerous at electric leakage Is wiring size according to The unit may malfunction or Specifications the components burn out Is something blocking the air outlet or inlet of either the Mad cogl indoor or outdoor units 9 Are refrigerant piping length The refrigerant charge in the and additional refrigerant system charge noted down y b Items to be checked at time of delivery Also review the SAFETY PRECAUTIONS Items to be checked Check Have you explained how to operate the air conditioner showing the operation manual to the customer Have you handed the operation manual and the installation man ual to the customer c Points for explanation about operations The items with A WARNING or mark in the operation manual are the items pertaining to possibilities for bodily injury and material damage in addition to the general usage of the product Accordingly it is necessary that you make a full expla nation about the described contents and also ask your customers to read the operation manual 2 4 NOTE TO
23. air inlet and check drainage flow FXMQ200 250M A VE MAV7 Open the water supply port add approximately 1 liter of water slowly into the drain pan and check drainage flow English CAUTION Drain piping connections Do not connect the drain piping directly to sewage pipes that smell of ammonia The ammonia in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger 8 ELECTRIC WIRING WORK 8 1 GENERAL INSTRUCTIONS All field supplied parts and materials and electric works must conform to local codes Use copper wire only For electric wiring work refer to also Wiring diagram label attached to the control box lid For remote controller wiring details refer to the installation manual attached to the remote controller All wiring must be performed by an authorized electrician This system consists of multiple indoor units Mark each indoor unit as unit A unit B and be sure the terminal board wiring to the outdoor unit and BS unit are properly matched If wiring and piping between the outdoor unit and an indoor unit are mismatched the system may cause a malfunction main switch or other means for disconnection having a contact separation in all poles must be incorporated in the fixed wiring in accordance with relevant local and national legislation Note that the operation will restart automatically if the main power supply is turned
24. connect wires of different gauge to the same ground ing terminal Looseness in the connection may deteriorate protection 4 Outside of the unit keep transmission wiring at least 50 mm away from power supply wiring The equipment may mal function if subjected to electrical external noise 5 For remote controller wiring refer to the INSTALLATION MANUAL OF REMOTE CONTROLLER attached to the remote controller 6 Never connect power supply wiring to the terminal block for remote controller wiring A mistake of the sort could damage the entire system 7 Use only specified wire and tightly connect wires to termi nals Be careful wires do not place external stress on termi nals Keep wiring in neat order and so as not to obstruct other equipment such as popping open the control box lid Make sure the lid closes tight Incomplete connections could result in overheating and in worse case electric shock or fire English 9 2 WIRING EXAMPLE Fitthe power supply wiring of each unit with a switch and fuse as shown in the drawing COMPLETE SYSTEM EXAMPLE 3 SYSTEMS Power supply Power supply wiring Transmission wiring Main switch pem De Indoor unit Remote controller 1 When using 1 re
25. erting nitrogen into the refrigerant piping Once this is done con nect the indoor unit with a flared or a flanged connection Nitrogen should be set to 0 02 MPa with a pressure reducing valve if brazing while inserting nitrogen into the piping Refrigerant piping Part to be Taping ri Hands 9 valve Nitrogen Pressurereducing valve Not recommendable but in case of emergency You must use a torque wrench but if you are obliged to install the unit without a torque wrench you may follow the installation method mentioned below After the work is finished make sure to check that there is no gas leak When you keep on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases From that position further tighten the flare nut the angle shown below 1 Carry out the drain piping FXMQ40 125M A VE Table 3 gt Further tightening Recommended arm length of Pipe size angle tool 6 4 1 4 60 to 90 degrees Approx 150mm 9 5 3 8 60 to 90 degrees Approx 200mm 12 7 1 2 30 to 60 degrees Approx 250mm 15 9 5 8 301060 degrees Approx 300mm 7 DRAIN PIPING WORK Rig the drain pipe as shown below and take measures against condensation Improperly rigged piping could lead to leaks and eventually wet furniture and belongings Insulate the drain hose inside the buildi
26. hocks Make sure that all wiring is secure using the specified wiring and ensuring that external forces do not act on the terminal connections or wiring Incomplete connection or fixing may cause an overheat or a fire When wiring between the indoor and outdoor units and wir ing the power supply form the wiring orderly so that the con trol box lid can be securely fastened If the control box lid is not in place overheat of the terminals electric shocks or a fire may be caused If refrigerant gas leaks during installation work ventilate the area immediately Toxic gas may be produced if refrigerant gas comes into con tact with a fire After completing the installation work check to make sure that there is no leakage of refrigerant gas Toxic gas may be produced if refrigerant gas leaks into the room and comes into contact with a source of a fire such as a fan heater stove or cooker Never directly touch any accidental leaking refrigerant This could result in severe wounds caused by frostbite English CAUTION 2 Install drain piping according to this installation manual to ensure good drainage and insulate the piping to prevent condensation Improper drain piping may cause water leakage make the furniture get wet Install the air conditioner power supply wiring remote con troller wiring and transmission wiring at least 1 meter away from televisions or radios to prevent image interference or noise
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28. id wiring Field wiring Field wiring Control box lid Ground wiring Wiring Remote controller and transmission Wire locking bracket FXMQ4O 50 63 80 100 125M A VE gt Power Power supply supply wiring terminal X1M ground wiring Field supply wire Transmission wiring Terminal block for remote controller Remote controller wiring 200 250M A VE MAV7 gt Terminal block for remote controller Remote LL Power supply controller wiring terminal block Clamp accessory Transmission wiring Power supply wiring and ground wiring CAUTION Be sure to attach the sealing material or putty field supplied to hole of wiring to prevent the infiltration of water as well as any insects and other small creatures from outside Other wise a short circuit may occur inside the control box When clamping the wires be sure no tension is applied to the wire connections by using the included clamping material to make appropriate clamps Also when wiring make sure the lid on the control box fits snugly by arranging the wires neatly and attaching the control box lid firmly When attaching the control box lid make sure no wires get caught in the edges Pass wiring through the wiring through holes to prevent dam age to them Make sure the remote controller wiring the wiring between the units and other electrical wiring do not pass th
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30. lower part of remote controller and working from the 2 positions pry off the upper part The remote controller PC board is attached to the upper part of remote controller Upper part of remote controller Lower part of remote controller Insert the screwdriver here and gently work off the upper part of remote controller 2 Turn the MAIN SUB changeover switch on one of the two remote controller PC boards to S Leave the switch of the other remote controller set to Remote controller PC board Only one remote controller needs to be changed if factory settings have remained untouched Wiring Method See ELECTRIC WIRING WORK 3 Remove the control box lid English 4 Add remote control 2 slave to the terminal block for remote controller P4 P2 in the control box There is no polarity Refer to Fig 3 and 8 3 9 4 EXTERNAL REMOTE CONTROL FORCED OFF AND ON OFF OPERATION 1 Wire specifications and how to perform wiring Connect the input from outside to terminals T1 and T2 of the terminal block for remote controller F2 T1 T2 BS FORCED Co OFF 7 d Sheathed vinyl cord or cable 2 wire Wire specification Gauge 0 75 1 25 Length 100 m Contact that can ensure the minimum appli cable load of 15 V DC 1 mA External terminal 2 Actuation Thefollowing table explains FORCED OFF and
31. mote controller for 1 indoor unit Nor mal operation Power supply Power supply Power supply Power supply 220 240V 220 240V 220 240V 220 240V 1 1 1 1 50Hz Outdoor unit 50Hz 50Hz 50Hz or Contro box Or Or or 220V 220V LNG 220 L 220V 1 4 M No 1 1 60Hz No 1 ez eu System L 550 ILIN Ps Pz Fs F2 T2 N 2 P1 P2 F F2 T1 T2 Ps P2 F F2 Indoor Indoor Indoor unitA unit B n Most id downstream Indoor unit 2 For group control or use with 2 remote controllers Power supply Note It is not necessary to designate 220 240V Outdoor unit indoor unit address when using E pn group control xe The address is automatically set 220V3 No 2 when power is activated 1 System 60Hz ur ownstream Ind
32. ng Attached drain hose Bottom of unit Keep piping as short as possible and slope it downwards so that air may not remain trapped inside the pipe Keep pipe size equal to or greater than that of the con necting pipe Vinyl pipe of 25 mm nominal diam and 32 mm outer diam Use the attached drain hose and clamp Tighten the clamp firmly Insulate the clamp metal with the sealing pad Metal clamp Large sealing pad accessory accessory Drain hose 4mm or less Metal clamp Tape Drain hose There is negative pressure inside the unit relative to atmo spheric pressure when the unit is running so be sure to provide drain trap on the drain outlet See the figure In order to prevent foreign matter from building up inside the piping you should avoid curves as much as possible and arrange so the trap can be cleaned NOTE If converging multiple drain pipes install according to the pro cedure shown below Install a drain trap for each indoor unit 100mm or more FXMQ200 250M A VE MAV7 A drain trap need not be installed The diameter of the piping is the same as that of the con necting pipe PS1B and should be kept equal to or greater than that of the connecting pipe 2 After piping work is finished check drainage flows smoothly FXMQ40 125M A VE Add approximately 1 liter of water slowly from the
33. ng drain piping and other resin parts Be sure to check the type of R410A refrigerant to be used before installing the unit Using an incorrect refrigerant will prevent normal operation of the unit The accessories needed for installation must be retained in your custody until the installation work is completed Do not discard them Decide upon a line of transport Leave the unit inside its packaging while moving until reach ing the installation site Where unpacking is unavoidable use a sling of soft material or protective plates together with a rope when lifting to avoid damage or scratches to the unit When moving the unit at or after opening hold the unit by the hanger brackets x 4 Do not apply force to the refrigerant piping drain piping or plastic parts For the installation of an outdoor unit refer to the installation manual attached to the outdoor unit Do not install or operate the unit in rooms mentioned below Laden with mineral oil or filled with oil vapor or spray like in kitchens Plastic parts may deteriorate which could eventually cause the unit to fall out of place or could lead to leaks Where corrosive gas like sulfurous gas exists Cop per tubing and brazed spots may corrode which could eventually lead to refrigerant leaks Where exposed to combustible gases and where vol atile flammable gas like thinner or gasoline is used Gas in the vicinity of the unit could ignite Where machines can gene
34. nnecting gas piping of FXMQ200 250M A VE MAVT Use attached piping accord ing to the size of the piping to be connected When connecting the included piping use the included pip ing flange hex bolts 2 and spring washers 2 Connect refrigerant piping and branching according to the attached installation manuals that come with the outdoor unit Indoor units to be EN Liquid piping connected Gas piping diam ter diameter FXMQ200M A VE 19 1 49 5 MAV7 Use attached piping FXMQ250M A VE 22 2 49 5 MAV7 Use attached piping English CAUTION CAUTION TO BE TAKEN WHEN BRAZING REFRIGER ANT PIPING Do not use flux when brazing refrigerant piping Therefore use the phosphor copper brazing filler metal BCuP 2 JIS Z 3264 B Cu93P 7 10 795 ISO 3677 which does not require flux Flux has extremely harmful influence on refrigerant piping systems For instance if the chlorine based flux is used it will cause pipe corrosion or in particular if the flux contains fluorine it will damage the refrigerant oil Before brazing local refrigerant piping nitrogen gas shall be blown through the piping to expel air from the piping If your brazing is done without nitrogen gas blowing a large amount of oxide film develops inside the piping and could cause system malfunction When brazing the refrigerant piping only begin brazing after having carried out nitrogen substitution or while ins
35. oorunitA y Indoor Lis ndoor unit C indoor unit X SLN OLN UN PPAF LUN SS BLAS ri L J X J 2 iaz For use with 2 Fig 3 remote controllers 3 When including BS unit Power Power supply Outdoor unit supply 220 240V Control box 220 240V 1 OUT D T 1 LN F1 F2 F1 F2 LN 50H Hz Benes 5 BS unit 25 BS unit 0 mw Seem 60Hz 60Hz F M Indoor unit A NJ P1P2 F4 F2 T1 T2 N Ps P2 Fa F2 Ta T2 Most downstream indoor unit PRECAUTIONS 1 Asingle switch can be used to supply power to units on the same system However branch switches and branch circuit breakers must be selected carefully 2 Do not ground the equipment on gas pipes water pipes or lightning rods or cross ground with telephones Improper grounding could result in electric shock 9 3 CONTROL BY 2 REMOTE CONTROLLERS Con trolling 1 indoor unit by 2 remote controllers When using 2 remote controllers one must be set to MAIN and the other to SUB MAIN SUB CHANGEOVER 1 Insert a screw driver into the recess between the upper and
36. or ON OFF OPERATION FORCED OFF at factory set 11 TEST OPERATION Refer to the installation manual of the outdoor unit The operation lamp of the remote controller will flash when an malfunction occurs Check the malfunction code on the liquid crystal display to identify the point of trouble An expla nation of malfunction codes and the corresponding trouble is provided in CAUTION FOR SERVICING of the outdoor unit If any of the items in Table 4 are displayed there may be a problem with the wiring or power so check the wiring again Table 4 Remote control display Content There is a short circuit at the FORCED OFF terminals T1 T2 Concentrated Management is lit up The power on the outdoor unit is off U4 is lit up The outdoor unit has not been aha hat wired for power supply UH is lit up Incorrect wiring for the transmis sion wiring and or FORCED OFF wiring The power on the indoor unit is off The indoor unit has not been wired for power supply Incorrect wiring for the remote controller wiring the transmission wiring and or the FORCED OFF wiring No display 10 English 3P258319 6F EM02A083G 1406
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38. rate electromagnetic waves Control system may malfunction Where the air contains high levels of salt such as that near the ocean and where voltage fluctuates greatly such as that in factories Also in vehicles or vessels This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment If installed as a household appliance it could cause electro magnetic interference 2 1 PRECAUTIONS Be sure to read this manual before installing the indoor unit Entrustinstallation to the place of purchase or a qualified ser viceman Improper installation could lead to leaks and in worse cases electric shock or fire Use only parts provided with the unit or parts satisfying required specifications Unspecified parts could cause the unit to fall out of place or could lead to leaks and in worse cases electric shock or fire Be sure to mount an air filter part to be procured in the field in the suction air passage in order to prevent water leaking etc 2 2 ACCESSORIES Check the following accessories are included with your unit FXMQ40 50 63 80 100 125M A VE Name Metal Drain Insulation for Sealing pad clamp hose fitting gP Quantity 1 pc 1 pc 1 each 1 each E lt Shape E for liquid pipe Large e lt for gas pipe Small Name Clamp Screws for duct flanges Quantity 6 pcs described in table below Other
39. rough the same locations outside of the unit separating them by at least 50mm otherwise electrical noise external static could cause mistaken operation or breakage PRECAUTIONS 1 Use round crimp style terminals for connecting wires to the power supply terminal block If unavailable observe the following points when wiring Do not connect wires of different gauge to the same power supply terminal Looseness in the connection may cause overheating Usethe specified electric wire Connect the wire securely to the terminal Lock the wire down without applying excessive force to the terminal Tightening torque 131N cm 10 96 Attach insulation sleeve Round crimp style terminal Electric wire 2 Tightening torque for the terminal screws Use the correct screwdriver for tightening the terminal screws If the blade of screwdriver is too small the head ofthe screw might be damaged and the screw will not be properly tightened fthe terminal screws are tightened too hard screws might be damaged Refer to the table below for the tightening torque of the terminal screws Terminal Size Tightening torque Terminal block for remote controller 6P M3 5 0 79 0 97 40 125 2 M4 1 18 1 44 Power supply terminal block 200 250 3P M4 1 18 1 44 40 125 M4 1 44 1 94 Ground terminal 200 250 M5 3 02 4 08 3 Do not
40. sory Tighten from above and below Double nut 2 Adjust the height of the unit 3 Make sure the unit is level Level the unit with a level when installing If the unit is not level it could become the source of water leaks When leveling the unit check all four corners with a level or a vinyl tube con taining water See the figure on the right Level Sealing pad accessory Hanger bracket setting bolt B A A cross section B B cross section 4 Tighten the nuts on the top 5 Insulate the two hanger brackets on the discharge side with the sealing pad x 2 Insulate the edges so that the surface and edges of the hanger brackets cannot be seen FXMQ200 250M A VE MAV7 CAUTION Setting the unit at an angle opposite to the drain piping might cause leaks English 6 REFRIGERANT PIPING WORK For refrigerant piping of outdoor units see the installation manual attached to the outdoor unit Execute heat insulation work completely on both sides of the gas piping and the liquid piping Otherwise a water leakage can result sometimes When using a heat pump the temperature of the gas piping can reach up to approximately 120 C so use insulation which is sufficiently resistant Also in cases where the temperature and humidity of the refrigerant piping sections might exceed 30 C or RH80 reinforce the refrigerant insulation 20 mm or
41. thicker Con densation may form on the surface of the insulating material Before refrigerant piping work check which type of refrig erant is used Proper operation is not possible if the types of refrigerant are not the same CAUTION Use a pipe cutter and flare suitable for the type of refrig erant Apply ester oil or ether oil around the flare portions before connecting To prevent dust moisture or other foreign matter from infiltrating the tube either pinch the end or cover it with tape Do notallow anything other than the designated refrig erantto get mixed into the refrigerant circuit such as air etc If any refrigerant gas leaks while working on the unit ventilate the room thoroughly right away The outdoor unit is charged with refrigerant Be sure to use both a spanner and torque wrench together as shown in the drawing when connecting or disconnecting pipes to from the unit To prevent flare nut cracking and gas leaks be sure to use both a spanner and torque wrench together as shown in the drawing below when connecting or disconnecting pipes to from the unit Refer to the Table 2 for the dimensions of flare nut spaces When connecting the flare nut coat the flare section both inside and outside with ester oil or ether oil rotate three or four times first then screw in Refer to the Table 2 for tightening torque Ventilate if refrigerant gas leaks while performing work
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