RAS-50WX8 Installation Manual
Contents
1. according to the wall passing through the openings as shown in figure Then smoothen the edges of drain hose is not thickness f hollow part of the wall so openings with a file conn loosely con Empty gap in the sleeve as to prevent the Pipe o water pond nected or bend Openings of protection pipe should protection possibility of damaged by A Bending Condensed be completely sealed pipe eee i iid upwards uae pe with putty to avoid sa miles with high humidity aoe A You are free to choose the side left or right for the installation of drain dripping of rain water pipe flows from outdoor and Y e Turn the piping while holding down the lower hose Please ensure the smooth flow of condensed water of the Indoor into the room y Pull up the pipe after g A CAUTION h any dew may drop bending downward portion of pipe support by hand unit during installation Carelessness may result in water leakage lt IA438 gt e Please mount the Outdoor unit of stable ground to prevent vibration and increase 4 Preparation of Pipe 3 Removal Of Air From The Pipe And Gas Leakage Inspection of noise level e Use a pipe cutter to cut the copper pipe 7 7 Pip pper pip Procedures of using Vacuum Pump for Air Removal e Decide the location for piping after sorting out the different types of pipe available e When removing side cover please pull the handle after undoing the hook by pul2. Names of Indoor Components The Length of Indoor Unit Connecting Cord WARNING Incorrect methods of installation may cause death or serious injury 0 9m 1 6m A CAUTION Improper installation may result in serious consequence r hem Be sure that the unit operates in proper condition after installation Explain to customer the proper way of operating the unit as described in the user s guide Screw for Hanger Direction of Piping A WARNING ai tezenn Holder for Remote Se Please request your sales agent or qualified technician to install your unit Water leakage short circuit or fire may occur if you Ro cdr aection i a Controller drain hose inner diameter 16mm ea Please use insulated drain hose for the indoor piping commercial product 1 Installation of Hanger Wall Penetration and Installation of Protection Pipe 2 Installation of the Indoor Unit AE raia Hoshi nee ong AFTER CONNECTION Do not install the unit near a location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks around it a X above 200mm do the installation work yourself TN Be sure to i i z F z Ye There are 6 directions letel above 50mm Please observe the instructions stated in the instal
3. e Please be careful not to damage lead wires by edge of the main switch up to 25m 4 0mm 16A time delay fuse plate when connecting the optional parts Power line Control line m aa O Oo a m O A LL e zZ O O Ww Z Z O 1S 4 Insulation And Maintenance Of Pipe Connection B Installation Of Remote Controller How to Remove The Front Cover How to Attach the Front Cover _ e The connected terminals should be completely sealed with e The remote controller can be placed in its holder which is 1 Remove the front panel 1 Check that the drain pan is securely attached heat insulator and then tied up with rubber strap fixed on wall or beam PI d attach the front by both hand e Please tie the pipe and power line together with vinyl tape as To operate the remote controller at its holder please ensure i ee ante ge ig ge oles 2 After installing the front cover onto the unit hook three shown in the figure showing the installation of Indoor and that the unit can receive signal transmitted from the controller 3 i claws at upper side of the cover securely Then push the Outdoor units Then fix their position with holders at the place where the holder is to be fixed The unit will beep Locking mechanism i center of the front cover to lock the claws To enchance the heat insulation and to prevent water when signal is recei
4. g A CAUTION e The projection at the lower part of the Indoor unit is hooked onto the hanger holder to hold them tight A CAUTION D VERTICALLY DOWNWARD PIPING EF the hole on the wall and then ready for further e The rubber strap used for Hanger Hanger Z i fixing the insulator should N l N A CAUTION 6 Al not be tied with great force Lift the bod ple Refrigerating of the unit x Otherwise this will damage lease pull the lower partot heat insulation and causes Pipe 4 ele U i the Indoor unit outwards to eae TTT check if the unit is hooked Water condensation downwards onto the hanger Improper Insulation pipe must be wrapped with vinyl tape at every 120mm FRA EN Dari PEAR 7 installation may cause e Holder can be attached at the either of 2 places p Hae 2 vibration and noise Please select the easier position Pipa Hubber step ted with great torce Cord THE CONNECTION OF REFRIGERATING PIPE DURING THE INSTALLATION OF INDOOR UNIT Screw for Hanger Please use more DUD TE e Push up the PUSH sections at the Preparation To Install Refrigerating Pipes CAUTION than 4 screws s T bottom of the indoor unit and pull the e The refrigerating pipes and connecting cord a Piensa fk intheplastE core a bottom plate towards you Then the transform andi are attached A r claws are released from the stationary SENE after flaring to avoid plastic e The end of the refrigerating pi
5. gauges list below for the lead etc WEEKLY TIMER WIRED REMOTE CONTROLLER Improper insertion may burn the terminal in from a pole transformer and for the wiring from a switch The electrical work includes the wiring work up B t l bl df th thorities i board of fuse box to the outlet in consideration of the locked he outlet In localities where electrical For all optional part please refer catalog for part number e Be sure to use only power cables approved from the authorities in your rotor current conditions are poor use of a voltage regulation f country For example in Germany Cable type NYM 3x1 5mm Fuse 16A i Connection to the electrical box time Tie p i i l IMPORTANT is recommended E n e Remove the cover of electrical box ue 5 e Install outlet for the room air conditioner within e Connect the connector of Weekly Timer wired remote e Please refer to the installation manual for wire connection to the terminals of Cable length Wire cross section he reaching range of the line cord controller to CN9 the units The cabling must meet the standards of electrical installation up to 6m 1 5mm e Assemble back the cover of electrical box e There is a AC voltage of 230V between the L and N terminals Therefore i IMPORTANT e Please refer to the respective user manual of Weekly Timer before servicing be sure to remove the plug from the AC outlet or switch off up to 15m 2 5mm Fuse Capacity wired remote controller for further details
6. FOR SERVICE PERSONNEL ONLY THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation A WARNING A WARNING The Outdoor unit must be mounted at a location which can sup port heavy weight Otherwise noise and vibration will increase The unit should be mounted at stable non vibratory location which can provide full support to the unit e Carefully read through the procedures of proper installation before starting installation work e The sales agent should inform customers regarding HITACHI the correct operation of installation A CAUTION A CAUTION SPLIT UN IT AIR CON DITIONER gt a No nearby heat source and no obstruction near the air outlet is 2 Do not expose the unit under direct sunshine or rain Besides allowed Sir ventilation must be good and clear of obstruction i IN STAL LATI 0 N MAN UAL Tools Needed For Installation Work FE The clearance distances from top right and left are specified in Pa al out of the unit should not point directly to animals 7 eo figure below A i i e Screwdriver e Measuring Tape Knife ro The location must be convenient for water drainage and pipe eo The clearances of the unit from top left right and front are specified P 5 m A e in figure below At least 3 of the above sides must be open air Indoor Unit Outdoor Unit Saw 65mm Power Drill Hexegonal Wrench a Connectio
7. herwise the unit will remove front panel and electrical cover be broken or could not reach the specified capacity Method to remove front panel Procedures of Wiring e Refer to FINAL STAGE OF INSTALLATION How to Remove The Front Cover Indoor Unit Outdoor Unit Method to remove the low cover i e Pull the cover at 1 and 2 in the directions RAC Adapter L as shown by arrows to remove the cover Connestihs Weekly timer earth cord Wired remote controller Connecting Cord Connecting Cord go AC 220 230V j Fix the aoha ew weekly timer Strip wires d wired remote 100mm 160mm A A S pale RAG Adapter f cord an cor Outdoor Unit m 10mm Z RAC adapter ma After remove the screw cord by Weekly timer and cover and put the ban cord y connecting cords and fix GRN YEL a Wiring Of The Outdoor Unit the cover with screw ae remot mm e Please remove the side cover for wire connection P k cord Indoor Unit A WARNING gt You may not be able to close the side cover due to the Sy 30mm connecting Fora noer such ee please press H LINK A against the wall of side cover to fix it EN UU 10mm Detail of cutting the connecting cord Be sure that the hooks 2 places are plugged in HN For all optiona
8. ide 6 35 1 4 13 7 18 6 140 190 eae Large dia side 9 52 3 8 34 3 44 1 350 450 Please use gas leakage detector to check if leakage aie 12 7 1 2 44 1 53 9 450 550 occurs at the connection of Flare nut as shown on n Valve Small dia side 6 35 1 4 19 6 24 5 200 250 the right head caq ia si w i P water freezes on the base and may result not to drain In this case please N ia P Large dia side 9 52 3 8 19 6 24 5 200 250 If gas leakage occurs further tighten the connection remove the bush and the drain pipe at the bottom of unit Left and center near raneh 12 7 1 2 29 4 34 3 300 350 to stop leakage Use the detector provided for discharge portion of air each 1 place It becomes smooth drain Valve core cap 12 3 15 7 125 160 R410A Ensure that the distance from the drain hole to the ground is 250 mm or more DRAIN PIPE Outer diameter 16 mm or more e Install the outdoor unit horizontally and make sure that condensate drains away e In case of using in cold weather area Especially in case that there are heavy snows in cold weather area condensed INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL A WARNING e THIS APPLIANCE MUST BE EARTHED Wiring Of The Indoor Unit e For wire connection of the Indoor unit you need to Power supply shall be connected at the rated voltage ot
9. ipes or faults fP Sle x o Purifying Filter Ploy When installing or removing an air conditioner only specified refrigerant R410A shall be allowed do not allow air or moisture 352 5 SH to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so that a rupture vies a 7 on b d a The indoor piping should be Mee CAUSEN E Plug insulated with the enclosed Be sure to ventilate fully i i i i i ith fi i E insulation pipe Uf the y if a refrigerant gas leak while at work If the refrigerant gas comes into contact with fire a poisonous E insulator is insufficient gas may occur Names of Outdoor Components please use commersial 7 g g g products After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur The difference in height 5 eae zA z between the indoor and Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner above 200mm outdoor unit should be technician or electrician Improper repairs may result in water leakage electric shock and fire etc srr iE pipe no installed on the X above 50mm matter big or small Drain Pipe aing laa F x give clearance should all be insulated A CAUTION gt as wide as with insulatio
10. l part please refer catalog for part number 5 R Otherwise water leakage may occur and this causes TA CAROD 2 When removing the connecting short circuit or faults see ey hay As for connecting to H Link a separately purchased SY wires for the Indoor unit please The connecting cord should not touch to service valve ys L RAC Adapter is required remove the low cover panel in front and pipes It becomes high temperature in heating gt soU H e To install the wiring the electrical box cover must be opened GRN YEL of the unit operation e Connect the connector of RAC adapter to CN7 7 i e Assemble back the cover of electrical box Sti wires Checking for the electric e Investigate the power supply capacity and other e Please refer to the respective user manual of RAC Adapter electrical conditions at the installation location for further details source and the voltage range Depending on the model of room air conditioner e Please be careful not to damage lead wires by edge of WARNING i i i A Before installation the power source must be checked and o be installed request the customer to make plate when connecting the optional parts arrangements for the necessary electrical work e The naked part of the wire core should be 10 mm and fix it to the terminal necessary wiring work must be completed To make the wiring tightly Then try to pull the individual wire to check if the contact is tight capacity proper use the wire
11. lation manual during the process of installation Improper installation may a allowed namely horizontally meed 7 D cause water leakage electric shock and fire Size Battery perpendicular to the unit gpw z above 100mm__ Pa Make sure that the units are mounted at locations which are able to provide full support to the weight of the units If not the RPS ete aL Dy 2 gt units may collapse and impose danger gS horizontally out to left E 7 Yas Observe the rules and regulations of the electrical installation and the methods described in the installation manual when Screw for holder of Don t form the piping 7 dealing with the electrical work Use power cables approved by the authorities of your country Remote Controller downward at the left of the unit 3 abave 100mm oO sge P br u T F Be sure to use the specified wire for connecting the indoor and outdoor units Please ensure that the connections are tight Qm 3 1x16 E 5 I gt 2 300mm or more after the conductors of the wire are inserted into the terminals Improper insertion and loose contact may cause over heating mae p orng ea 8 et H and fire Remote Controller e eae s E i Q S FE A EEE Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock F z and fire may occur 2 _ Mounting amp amp s V Stand 0 S Be sure to use the specified piping set for R 410A Otherwise this may result in broken copper p
12. ling it downward Reinstall the side cover in the reverse order of the removal Trimming tool When the meter reaches 101KPa a Pos a _ 76cmHg during pumping fully As shown in right figure remove the cap tighten the shuttle Copper pipe Ay of valve core Then connect the charge Meter showing pressure 1 hose Remove the cap of valve head Connect the vacuum pump adapter to D the vacuum pump and connect the charge hose to the adapter Please face this side suction sid the unit to the wall Please remove side cover when connecting the piping and connecting cord A CAUTION e Jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe re Pull downward Vacuum pump adapter Fully tighten the Hi shuttle of the manifold valve and completely unscrew the Lo shuttle Run the vacuum pump for about 10 15 minutes then completely E A alGbaly E T tighten the Lo shuttle and switch off flare nut to check of air sucked in Then the vacuum pump tighten the flare nut A CAUTION e Donottouch the suction port bottomsurface or aluminum fin of the outdoor unit Failure to do so may cause an injury e Before flaring please put on the flare nut e Recommend to use R410A flaring tool Copper pipe A mm Diameter mm For R410A tool For R22 tool Comple
13. n pipe and h possible then wrapped with vinyl i F Fi i Mi ee tape The insulator will A circuit breaker or fuse 16A time delay must be installed Without a circuit breaker or fuse the danger of electric shock 3 deteriorate if it is not exists above wrapped with tape A main switch with a contact gap of more than 3mm has to be installed in the power supply line to the outdoor unit above 100mm N 200mm The connection of insulated Please ensure smooth flow of water when installing the drain hose Piping shall be suitable supported with a maximum spacing of 1m between the supports connection e The draining of the water container inside the indoor unit can be done from the left f a e The terminals of 2 connected pipes must be covered Therefore the hanger must be fixed horizontally or slightly tilted towards the side Connect connecting cord A with insulator used for terminal connection Then the i ipes are wrapped with insulation pipe of drain hose Otherwise condensed water may overflow the water container e Pull out the pipe connecting cord and drain hose s RPS oat th connecting cordafter rovin alectrical h 5 Connecting cords pipe and a Direct Mounting On The Wall Installation Paes eee a arer adusimeni M he connecing Sord and he e Please use hidden beams in the wall to hold the hanger e The upper part of the Indoor unit is hanged on the hanger into the space available under the indoor unit Use
14. n with the Outdeor UNE 29 Be sure that the hot air blown out of the unit and noise do not Ke 4mm Wrench 14 17 22 26 27mm zZ To avoid interference from noise please place the unit and its disturb th ighbourhood RAS SOWX8 W y CO remote controller at least 1m from the radio television and inverter ee ee ie Do not install at a location where there is flammable gas steam oil and smoke The location must be convenient for water drainage Place the Outdoor unit and its connecting cord at least 1m away from the antenna or signal line of television radio or telephone This is to avoid noise interference Do not install outdoor unit facing strong wind direction It may damage the fan motor Figure showing the Installation A CAUTION of Indoor and Outdoor Unit 7 The installation height of indoor unit must be 2 3m or more RAC 50WX8 e Gas Leakage Detector Pipe Cutter Putty type fluorescent lamp To avoid any error in signal transmission from the remote controller please put the controller far away from high frequency machines and high power wireless systems The installation height of indoor unit must be 2 3m or more RAS 50WX8 B e Vinyl Tape Pliers Flare Tool SAFETY PRECAUTION Read the safety precautions carefully before operating the unit e The contents of this section are vital to ensure safety Please pay special attention to the following sign
15. ntrol EA nge ang Ae ft A iectrioal 1 Drill holes on wall 2 Push plug into the holes Refer to Konec onoi Power Caw Seca Covel As shown below As shown below e After adjustment the connecting cord and refrigerating pipes Wall are placed into the space available under the Indoor unit e The projection of Indoor unit must hook to the hanger Remote 4 ji Control s gt Holder Drain cap Drain hose Heat insulation pipe Protection pipe YQ Pull this to the front ain hose 7 Connecting Drain cap L Drain hose cord during the connection an of refrigerating pipes Connecting cord A A PI i ial Please insert Refrigerating pipe t task Connected secti Wall Penetration and Installation of Protection Pipe ines See until here eit e Drill a 65mm hole on P 7 AWARNING 3 Installation of Drain Hose wall which is slightly indoor __ Outdoor A CAUTION Condensed water may leak out if not inserted properly tilted towards the sealwith d 2 5mm outdoor side Drill the putty Seal with Be sure that the wire is not wall at a small angle putty in ronan pa any a HORIZONTAL amp DOWNWARD PIPING MAKING OPENINGS i 3 A CAUTION in the wall Fiease use tne x 3 Cut the protection pipe protection pipe as wire e During horizontal or downward piping use a knife to cut Be sure that the
16. pes are at locations chips entering the pipes i plate a e Hole for pipe The PUSH sections are indicated by S P marked with 7 symbol Push mark positions Procedures of Installation and Precautions 2 arrows in the right figure e Procedures to fix the hanger 1 Drill holes on wall 2 Push plug into the holes 3 Fix the hanger on wall As shown below As shown below with 4 1 x 32 screw HORIZONTAL PIPING m Please bend at a small a radius to form an arc As shown in figure below Preparation Ceiling LLULL dddddddddddddd Change of Drain Hose and Installation Procedures F Hanger above 50mm g f n Installation e Exchange the location of drain hose and drain cap during horizontal piping as shown in Screw y a figure below Be sure to plug in the drain hose until the insulating material folds upon Hang the Indoor unit onto the hanger Use the temporary Fi 5 YW Yj 4 itself stand at the back of the Indoor unit to push its lower part Projection A 15cm forwards Z 5 fia O e Q a e Please use pliers to pull out the drain cap e Place the drain hose through the hole on the wall Vs 4 1 x32 Screw This is an easier way to remove the drain cap g e Wrap the refrigerating pipes with insulation pipe after e Procedures to fix the holder of remote co
17. rce And Operation Test cover towards you and release the claws Power Source Operation Test Pull the side faces lower sections of the front cover towards you as shown in the figure and remove the cover Disconnect the wire connector Install the filter FINAL STAGE OF INSTALLATION A CAUTION e Please ensure that the air conditioner is in normal operating condition during the operation test e Please use a new socket Accident may occur due to the use of old e Explain to your customer the proper operation socket because of poor contact procedures as described in the user s manual i vip e Please plug in and then remove the plug for 2 3 times This is to un Firmly insert the front Slide the front panel ensure that the plug is completely plugged into the socket i 5 panel arms by sliding locking mechanisms e Keep additional length for the power cord and do not render the I i along the steps located left and right into the plug under external force as this may cause poor contact a at the main body slots located at the e Do not fix the power cord with U shape nail p Terminal cover main body until you hear a clicking sound lt IA438 gt
18. tely unscrew the spindle of the SEETI service valve at 2 places in anti same i i G93 00 0 omm EMAL clockwise direction to allow the flow of eal 9 52 0 0 0 5mm 1 0mm coolant using Hexagonal Wrench key 12 7 0 0 0 5mm 1 0mm AIR REMOVAL CONDENSED WATER DISPOSAL OF OUTDOOR UNIT e There is holes on the base of Outdoor unit for condensed water to exhaust e In order to flow condensed water to the drain the unit is installed on a stand or a blockso that the unit is 100mm above the ground as shown figure Join the drain pipe to one hole e Cover the drain hole with a bush To install the bush put it on the drain hole as shown in the figure and press the both sides of the bush to fit into the hole After installation check whether the drain pipe and bush cling to the base firmy Cg ran HOLE t tS Push push BUSH DRAIN HOLE valve core Hexagonal S Wrench Key 2 Pipe Connection Remove the charge hose and tighten the Gap obyalve heag cap of valve head Check the cap s In case of removing flare nut of an Indoor unit first remove a nut periphery if there is any gas leakage A CAUTION of small diameter side or a seal cap of big diameter side will fly The task is then completed Cap of valve head out Prevent water from entering into the piping when working OUTDOOR UNIT Outer Torque N m dia of pipe kgf cm Gas Leakage Inspection Small dia s
19. ved from the remote controller The signal A h g OAA Paa co e outdoot partofthedrain nose transmission is weaken by the fluorescent light Therefore ene E Va Tighten the two screws Completely 5841 ati Gap with putty during the installation of the remote control holder please i switch on the light even during day time to determine the mounting location of the holder Insulation material for pipe connection J To remove the front panel slide the front panel locking mechanisme lef eo Remove the front panel by Connect the wire connector Close the electrical cover The controller must arrows in the illustration until you pulling it towards you be hooked onto the hear a clicking sound Sleeve of protection pipe J E Seen ae Screw 2 pieces After opening the front panel by both hands Push inthe remote Undo the right arm while pushing it inside Slide the shafts of the right and left arms on the washable controller in the Slide the front panel to right as shown in figure Then aes aleng E apie r neer Mornar Mi the holes m direction as shown remove while pulling it to front ey Stop Aiter Cnecxing tnat the snaits are Securely ae inserted close the panel in figure below Holder for Open the electrical cover Disconnect the wire connector T Remote Controller Remote Remove the filters Controller J F After removing two screws pull the center of the front 3 Power Sou
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