RAS-18_25_35SX8 Installation Manual
Contents
1. C ground HH O i HO Valve core cap a N A CAUTION When removing flare nut of the indoor unit first remove the nut of small diameter side Otherwise the nut of big diameter side will fly out Prevent water from entering into the piping when connecting Be sure to tighten the flare nut to the specified torque with a torque wrench If the flare nut is overtightened it may split after sometime and may cause refrigerant leak When using a control valve make sure that the packing is not deteriorated and avoid excessive tightening C of the handle Otherwise gas may leak from the service valve A WARNING The naked part of the wire core should be 10mm fix it to the terminal tightly Then try to pull the individual wire to check if the contact is tight Improper insertion may burn the terminal Be sure to use only wire specified for the use of air conditioner Please refer to the manual for wire connection the wiring technique should meet the standard of the electrical installation Leave some space in the connecting cord for maintenance purpose and be sure to secure it with the cord W band f Secure the connecting cord along the coated part of the wire using the cord band Do not exert pressure C on the wire as this may2. Hold with hand Screw for Mounting board mounting board Qe Mounting board L Claw Hole for removal Sa Pull downward RSG Remove e To attach the lower cover attach 2 first and then attach by rotating it around 2 as the fulcrum ZZ z7 Use the plier to pull and ile 7 A i d Screwdriver turn the drain cap for easy ac a removal ee SSeS N oa i Drill Hole for Board Anchor N A Screw atthe positions near the upper and lower hooks where the indoor unit is hung Use more than 4 screws for fixing Protection pipe 3 Drainage Check After the indoor unit is installed please ensure the smooth flow of condensed water of the indoor unit during installation Careless work may result in water leakage While placing the mounting board on the wall embed the board A Fixed leg dimension of outdoor unit anchor in the wall X E R DNR IRN Slide down the mounting plate and Drain hose screw SO Drain hose In snowy region install a snow guard and elevated stand to ensure the airflow for better heating efficiency In other regions it is recommended to install a tent for shade Auxiliary insulation 7 sheet Pull this to the front during a gt t Fixed leg Unit mm LZ S then fix the mounting
3. Cleaning Unit Display panel When using an exit cover do not attach a bush for pipe Putty Bend and insert Insert all A CAUTION 4 Power Source and Operation Test e Completely seal any gap with putty High humidity air inside the wall or the outdoor may go in to the room and could result in dripping of dew C It could also cause smell or odor present outdoor and inside the wall spreading into the room Ne A Front Panel E Close the front panel properly The filter cleaning operation does not start if the front panel is not closed properly Clean Indicator Ifthe front panel is opened during This indicator is lit during the filter the operation check the operation cleaning operation will stop immediately It blinks if any abnormal condition occurs during the filter cleaning operation Force cooling operation Sana When the temporary switch of the indoor unit is pressed for more than 5 seconds the force cooling operation starts Use this mode when performing the failure diagnosis or collecting refrigerant into the outdoor unit The Timer lamp flashes when force cooling is in operation Press the temporary switch again or use the remote controller to stop the force cooling operation once this operation is completed A WARNING Never modify or extend the power c
4. Install the anti mold wasabi cassette Refer to page 8 of the Operation Manual Installation Temporary switch Force cooling operation starts when the switch is pressed for more than 5 seconds controller Press the switch again and use the remote f f F o controller to stop the operation If the filters are not installed properly Filter Cleaning Operation is found abnormal and the 22 clean indicator J blinks The filters may come off during operation if they are not installed properly A CAUTION Do not operate the unit for more than 5 minutes while the spindle of the service valve is closed T m Noise may occur if the anti mold wasabi cassette is not installed properly If the 888 clean indicator blinks during the Filter Cleaning Operation means that the operation is stopped before its completion due to an abnormal condition In this case refer to Check the Operation of the Filter Cleaning Unit and Troubleshooting of the operation manual and take appropriate actions Screw for remote BE Operation test Wall or controller holder Prohibited pillar K ie Please ensure that the air conditioner is in normal operating Remote controller holder condition during the op
5. Refer to Removing and Attaching the Front Panel on page 13 Remove the terminal cover and screw hold the upper part when removing REMOVING AND ATTACHING THE FRONT COVER Bring the connecting cord from the rear surface to the front Ep surface through the N cable guide T HH fff Hold onto the right side of the front cover and remove while pulling in the direction of the arrow CONNECTION OF POWER CORD INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL Loosen the spindle of the service valve with small diameter by 1 4 turn and tighten the spindle immediately after 5 to 6 seconds Ee sua Nianioidyaie Remove the charging hose from the service valve a z f Terminal cover Connecting When pumping starts slightly loosen li air i cord S the flare nut to check if air sucked in Valve i Body of service valve Then tighten the flare nut Unscrew the spindle of both the y A service valves in anticlockwise direction to allow the flow of refrigerant unscrew halfway Tighten the cap of valve head Check and make sure that there ap ot valve is no gas leakage A Cap of valve head Meter showing pressure Make sure the meter reaches 0 1MPa Closed 76cmHg during pum
6. installing and changing Do not carry out horizontal piping for drain hose A CAUTION The drain hose can be installed from the left or right of the Indoor unit When installing the indoor unit the mounting board must be fixed horizontally or slightly tilted down towards the side of drain hose If it is tilted above the side of the drain hose condensed water may overflow Please mount the outdoor unit on stable ground to prevent vibration and increase of noise level Decide the location for piping after sorting out the different types of pipe available When removing side cover please pull the handle after undoing the hook by pulling it downward Reinstall the side cover in reverse order of the removal Please remove side cover when connecting the piping and connecting cord Please face this side suction side of the unit to the wall Remove the lower cover Push the bottom inner part 111 of the lower cover to remove the lower cover 1 1 Direct Mounting On The Wall e Please use hidden beams in the wall to hold the mounting board e When it is difficult to look for a stud use an item such as board anchor commercial product e When using the mounting hole provided by the apartment cut it in such manner that the dimension of the mounting anchor projecting from the wall is 15mm or below Board anchor Hole for removal
7. refrigerating pipes with the HITACHI SPLIT UNIT AIR CONDITIONER A CAUTION A CAUTION ata ened tO NE PIPE INSUAllon connection Forming of refrigerating pipe for horizontally backward locations marked with Y symbol Referring to the mark on the rear side form the pipe within piping Carry out refrigerating pipe forming Bottom cover Pipe bush hole No nearby heat source and no obstruction near the air outlet is allowed The clearance distances from top right and left are specified as lt gt in figure below e The location must be convenient for water drainage and pipe connection with the outdoor unit Do not install at a location where there is flammable gas steam oil and smoke There is a risk of fire explosion deterioration of resin and or damage To avoid interference from noise please place the unit and its remote controller at least 1m from the radio and television 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 Lighting fixtures with electronic starters may shorten the reception C distance and may even interfere with the signal being received J The indoor unit air outlet should be installed at least 1 5m away from fire alarm Do not expose the unit under direct sunshine or rain Besides ventilation must be good and clear of obstruction The air blown out of the
8. the installation of Indoor and Outdoor Unit For example Ground installation oe Se Hee Aard range ties When using a polyester core make sure to insert it only e Please request your sales agent or qualified technician to install your unit Water leakage short circuit or fire may occur if you do the installation work Place the Pipe support g after flaring is carried out to avoid cutting dust from yourself Mounting board Above 50mm Above 100mm when there is piping connection at the back of the outdoor unit refrigerating pe SUpp getting inside 2 ah Es Place th pipe bending Please observe the installation stated in the installation manual during the process of installation Improper installation may cause water leakage electric i ERRER E 1 Ey es aap ae int of within the wall T i oe Pa x 5 syr ole range 7 3 ened Rnd MG 3 i Be sure to completely seal Above 50mm ae Above 50mm refrigerating pipe soli nsulation E AA EE pipes 2 2 Installation 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 units may collapse and Screw for mounting any gap with putty a g T e bending within Horizontal piping i Refrigerating impose danger board 5 A this range r a pipe Connecting the refrigerating pipe other than at the back Observe the rules and regulations of the electrical installation and the methods described in the installatio
9. unit should not point directly to animals or plants The clearances of the unit from top left right and front are specified as lt gt in figure below At least two sides must be clear for ventilation Be sure that the hot air blown out of the unit and noise do not disturb the neighbourhood Place not exposed to strong wind Particularly on the rooftop of a building strong wind blows and the outdoor unit may be damaged 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 the indoor unit in a place where small animals may build their nests If small animal goes inside the unit and touches the electrical parts failure of the unit smoke or fire may be caused Request your C customer to keep the surrounding of the unit clean J Tools Needed For Installation Work mark is tool exclusive use for R410A Screwdriver e Measuring Tape Knife Saw Pipe Cutter e Hexagonal Wrench INSTALLATION MANUAL INDOOR UNIT OUTDOOR UNIT ae RAS 18SX8 RAC 18SX8 RAS 25SX8 RAC 25SX8 RAS 35SX8 RAC 35SX8 the wall hole range 1 Refer to the mark at the back start bending the refrigerating piping within wall hole range Place the starting point diameter
10. FOR SERVICE PERSONNEL ONLY THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation C N J N Preparation of Pipe Horizontally and downward piping from the right Form the refrigerating pipe according to the wall hole PO E E T E TET TAE HI TACHI e Carefully read through the procedures of proper installation A WARNING A WARNING C p eer EN Seon ected before starting installation work The unit should be mounted at stable non vibratory location which The outdoor unit must be mounted at a location which can support heavy Backward piping Remove the auxiliary insulation material sheet which is Especially in the case of horizontally backward pipin es 3 i i i j i ibration will i attached to the pipe insulation Keep the removed auxiliary p y y ee a Form and set the refrigerating pipe and connecting cord e The sales agent should inform customers regarding the __ can provide full support to the unit J _ weight Otherwise noise and vibration will increase p Remove the auxiliary insulation material sheet which is PIP h pues i ern follow the instruction below to carry out accurate forming g 9 PIp g correct operation of installation 7 a a N ttached to the pipe insulation insulation material sheet because it will be reused after pipe i i Match the end of the
11. J Large diameter of refrigerating pipe bending within the wall hole range Key 0 4mm Power Drill 965 980mm e Vacuum Pump Pliers or Wrench Torque Wrench Vacuum Pump Adaptor Flare Tool Gas Leakage Detector Manifold Valve Charge Hose Please bend at a small L Wall hole range radius to form an arc Drain hose Please bend at a small radius to form an arc Layout of horizontally piping from the right Temporary join the refrigerating pipe drain hose and connecting cord with tape A CAUTION Transform the piping while holding down the lower portion of pipe support by hand z cc r I Place the starting point of refrigerating pipe bending within the wall hole range J N i LL Below 5mm Z m cc oO oO f D So If the starting point of refrigerating pipe bending is projected from the wall hole range or if the bending radius is too large the indoor unit may be lifted from wall and this may cause poor finishing SAFETY PRECAUTION e Read the safety precautions carefully before operating the unit The contents of this section are vital to ensure safety Please pay special attention to the following sign A WARNING Incorrect methods of installation may cause death or serious injury Make sure to connect earth line A CAUTION Improper installation may result in serious conseque
12. attach a bush for pipe When an exit cover is not used seal the gap of the hole on the wall bush and pipe completely with putty If an exit cover is used seal the gap of the hole on the wall and pipe completely with putty In the case of embedded piping seal the gap of the pipe completely with putty Incomplete sealing could cause entering of high humidity air into the wall or indoor unit which could result in dripping of dew It could also cause smell or odor present outdoor and inside the wall spreading into the room 3 Remove the Protection Sheet Remove the protection sheet on the display panel Insulate and wrap with tape Auxiliary insulation sheet Seal with putty Connecting cord See Unlike the coventional type of air conditioner this air conditioner has no grille at its top surface It is because this air conditioner is equipped with the cleaning unit and to prevent the top surface from getting dirty easily Refrigerating Do not touch the cleaning unit during the filter cleaning operation Doing so could result in injury or failure of the appliance e Place the micro mesh stainless filter with its side having indication of UPPER FILTER Jand BACK facing towards the unit The shape of the left and right filters are the same Insert the bottom side of micro mesh stainless filter left and right then slightly bend and insert it in the arrow direction
13. board with the board anchor INDOOR UNIT 798mm 480mm 450mm External dimension of indoor unit 174mm 100 mm Drain hose lt 842 gt Wiring connection e Please refer to Connection of Power Cord on page 10 ee lower cover bush Horizontal and downward piping While installing the pipe from the right left or bottom side use a knife to cut lower cover bush accordingly e Use the groove on the outer side if the pipe which is to be installed from the left side etc is big Groove on the outer side Groove on the inner side Remove the screw and pull out the drain hose Push the drain hose deeply into the screw hole fix with Insert drain cap up to the the removed screw during location securely till the step 1 cap stops De J a A CAUTION Be sure to insert drain hose and drain cap firmly and fix with screw Insufficient insert may result in water leakage the connection of refrigerating pipe to ease task x Auxiliary insulation Refrigerating pipe Connecting cord pP A CAUTION Do not over tighten vinyl tape on pipe heat insulation sheet Do not over tighten to avoid loss of heat insu
14. cause overheating or fire Push the end of the right side arm outward to release the tab 2 Move the left side arm outward to release the left tab and then pull the panel towards you Insert the screwdriver into the hole on the upper right of the front cover to release the tab ay 3 Remove of Air from the Pipe and Gas Leakage Inspection Remove the valve head cap of the service valve Remove the cap of valve 1 core and connect the charge From the viewpoint of global environment protection i Valve head cap air purge type should be vacuum pump method for the service NT IT valve at small diameter side Attach the front panel Fully tighten the Hi shuttle of the manifold valve and completely unscrew the Lo shuttle Run the vacuum pump Adapter is switched on After pumping for about 10 15 minutes completely tighten the Lo shuttle and switch off the vacuum pump Adapter is switched off J L Valve head cap for the service valve at large diameter side hose Connect the vacuum pump adapter to the vacuum pump and connect the charge hose to the adapter J CARON VANE cee Wiring of the Indoor Unit 1 Remove the front panel
15. d result in dripping of dew It could also pipe insulation Keep N tab the removed auxiliary insulation material sheet because it will be reused after pipe connection the bottom part of the front cover and insert a screwdriver into the hole for removal of indoor unit as shown in the figure Then push the claws upwards while holding down the upper part of the hole 1 and pull the indoor unit towards you 2 When horizontal piping is used be careful not to Bending upwards water pond bend or proper condition like left figure r A CAUTION You are free to choose the side left or right for freeze on the base and result in bad drainage In such areas please do not install the bush and the drain pipe Also make sure that the distance from the drain hole to the ground is 250mm or more completely sealed with putty pipe to avoid dripping of rain water into the room Installation of the Indoor Unit Preparation of Installation Remove the front panel aoe of drain in cause smell or odor present outdoor and inside the wall spreading into the room the installation of drain hose Please ensure the smooth flow of condensed water of the indoor unit during installation Careless may result in water leakage J Hang the indoor unit on the mounting board Place the cushion under the right rear surface of the indoor unit to lift the lower side of the unit by app
16. d water to exhaust In order to flow condensed water to the drain the unit is installed on a stand or a block so that the unit is 100mm above the ground join the drain pipe as shown in the figure Cover the other drain holes 2 places 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 N Connecting the refrigerating pipe at the back of the indoor unit 1 Remove the auxiliary Projection insulation material sheet of the which is attached to the indoor unit E Fixing lt y Drain hole E F Bush Push Push a SN A CAUTION Be sure that the drain hose is loosely connected Indoor Outdoor WALL ao Cushion Putty Putty Condensed After installation check whether the drain pipe and bush cling to the base firmly Install the outdoor unit horizontally and make sure that condensate drains away When using in areas with cold weather Especially when there are heavy snows in areas with cold weather condensed water may 100mm Outer diameter a Drain pipe above 16mm according to the wall thickness and pass through the wall hole Empty gap in the sleeve of Protection protection pipe should be pipe Sleeve of protection possibility of short circuit or fire Completely seal with putty High humidity air inside the wall or the outdoor may go in to the room and coul
17. e lower side of the rear surface the tape without any gap Refer to Heat insulation and Be sure to ventilate fully if a refrigerant gas leak while at work If the refrigerant gas comes into contact with fire a poisonous gas may occur 1 Q by moisture Use caution to prevent water from oon of the indoor unit Put the binding band 0 on the hook Finishing of Piping on page 11 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 5 entering the cycle J O wall hole located on the rear surface to fix it If there is gap or over tightened it may cause condensation into contact with fire in the fan driven heater space heater etc a poisonous gas may occur Anti mold wasabi g lt Join refrigerating pipe connecting cord and drain hose l ificati f iti P 2 ified ai iti ici ici cassette 1 The difference in height between the indoor and E igerating pi DAMA eE ai a i i Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician lt P aaor oa ait E KD am Refrigerating pipe temporarily with tape and wrap the wall hole portion with Siietatig board i i j i Above 200 f Improper repairs may result in water leakage electric shock and fire etc a 5 as The connecting pipe no matter big or small 8 a sem Refrigerating pipe Refrigerating B
18. e sure to connect the earth line from the power supply wire to the outdoor unit and between the outdoor and indoor unit Do not Bush VAbove 50 mm when installed should all be insulated with insulation pipe and insulation sheet pipe z R friaeratina pibe connect the earth line to the gas tube water pipe lighting rod or the earth line of the telephone unit Improper earthing may cause ES 2 Fyn the ceiling of balcony X Above 50mm then wrapped with vinyl tape The insulator will Place the ae VaN i ER ae ee electric shocks SSS x give clearance as __ deteriorate if it is not wrapped with tape a oe Toni Auxiliary insulation sheet Refrigerating hs oes TEs Drain pipe wide as possible pe pipe LURD a as e When finishing the refrigerant collection pumping down stop the compressor and then remove the coolant pipe If you remove the refrigerant pipe PiP Ss ie N hose ao 4 BE K TH while the compressor is operating and the service valve is released air is sucked and a pressure in the freezing cycle system will build up steeply F 1 3 F x A Above 200mm Connection of insulated drain hose Connecting Drain hose i 7 3 I ew causing an explosion or injury TES Above 100mm AM Please use insulated drain hose Inner diameter cord Refrigerating pipe ndi a Binding band SS nd for the indoor piping commercial 16mm i f 4 Lm ee When installing the unit be sure to install the refrigerant pipe before start
19. eration test Explain to your customer about the proper operation procedures as described in the operation manual E E ET If the indoor unit wont operate check the cable for correct ia Do not remove the remote controller by twisting it left and right Doing so could result in coming off of the rear cover Insert from above Hold the upper part of the remote controller to pull it out 7 connection j cassette Engraved mark UPPER FILTER and BACK at the back 11 2 15 lt 842 gt
20. extra binding band Do not install the unit near a location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks EN Lengthiof Power abl Piping configuration may be in si Be positgnedwithint ee j j fad y be in six result in abnormal noise or dewfall jecti i i around it ep About 0 9m About 1 6m se modify th si different directions direct rear piping range Otherwise it may result in abnormal noise or dewfall Projection of the indoor unit Please ensure smooth flow of water when installing the drain hose Improper installing may wet your furniture cise MO ii codes oN alia oe and left e An IEC approved power cord should be used Power cord type NYM Condensed Water Disposal of Outdoor Unit Wall Penetration and Installation of Protection Pipe 1 Drill a 65mm hole on wall which is slightly tilted towards the outdoor side Cut the protection pipe How to remove the indoor unit X e Push the PUSH section at the bottom of the indoor unit from the outside the claws are released from the mounting board 2 places on the left and right If the bottom of the indoor unit cannot be pushed remove A WARNING Protection pipe commercial product must be used Be sure that the wire is not in contact with any metal in the wall Please use the protection pipe as wire passing through the hollow part of the wall to prevent damaged by mouse There is holes on the base of outdoor unit for condense
21. ing the compressor J is SS ae product seas N Wrap the wall hole portion with tape all adenine Temporarily Binding band can be i Protection pipe Drain hose Connecting cord If the refrigerant pipe is not installed and the compressor is operated with the service valve released air is sucked and the pressure level of the lt lt lt Heating efficiency will be Ss C J wrap with tape installed to whichever refrigeration cycle may increase abnormally which could result in a rupture and injury N enhanced if the space below the a Sgi side of the installation X Items amp are included in the outdoor unit is closed so that F ere T points a aa ae m it no air passes through For outdoor unit installation allow at least r Direction of Pipin recommended to attach i A CAUTION package or the outdoorunit Procure the material locally 2 sides of space around the unit to ensure ping o on the right side viewing ventilation flue Auxiliary insulation from the rear A circuit breaker must be installed in the house distribution box for the direct connected power supply cables to the outdoor unit In case of other installations a main switch with a contact gap or more than 3mm has to be installed Without a circuit breaker the danger of electric shock exists Mounting board Split line of the auxiliary insulation sheet must OO Horizontally backward Pe aii Be sure to cut the
22. lating effect and dew condensation Pull the lower part of the indoor unit towards you and confirm that the tab of the indoor unit is fit in the installation plate If the tab is not fitted in securely vibration of the indoor unit becomes stronger A CAUTION During drainage work install the drain pipe to ensure smooth drainage Make sure to carry out drainage check Careless work may result in water leakage Make sure that there is no problem as shown in the figures on page 8 Such problems may cause clogged drain and could result in water leakage Drain hose must be at a slope of at least 1 25 When inserting the drain hose into the drain pipe for embedded piping etc do not cut the drain hose in the middle This may lead to poorer heat insulating performance of the drain hose and could result in water leakage Do not lead the drain hose to a place where corrosive gas sulfur ammonia etc is generated such as septic tank Corrosive gas may flow into the indoor unit through the drain hose and could result in corrosion on the copper pipe and odor in the room E z gt oc O O Q gt O a oT ra _ A CAUTION i Do not touch the suction port bottom surface or aluminium fin of the outdoor unit Failure to do so may cause an injury Elevated stand 1 Pipe Cutting and Flaring e Use a pipe cutte
23. leen gee tne tape Push the lower part of the indoor unit to the wall hook ics oi the specified components for installation work Otherwise the unit may collapse or water leakage electric shock fire or stronger vibration OED lt Se Tie noa paging should be Cover the pipe connection with the auxiliary insulation sheet the projection on the lower part of the Indoor unit onto the ae Screw for remote insulated with the enclosed Pn E which was removed earlier with its split line on the top Wrap mounting board Saa pana l Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults 6 2 _ E insulation pipe e A ae al pipo the tape without any gap Tape must not be over tightened Cover the pipe connection with the auxiliary insulation sheet When installing or transferring an air conditioner to another location make sure that air other than the specified refrigerant R410A does not enter the together with tape Refer to Heat insulation and Finishing of Piping on page 11 Form the connecting cord and refrigerating pipe and put which was removed earlier with its split line on the top Wrap refrigeration cycle If other air should enter the pressure level of the refrigeration cycle may increase abnormally which could result in a rupture and injury 5 The refrigerating machine oil is easily affected If there is gap or over tightened it may cause condensation them in the space on th
24. n manual when dealing with the electrical umm The space indicated by an E gt i Temporary join the refrigerating pipe drain hose and Remove the auxiliary insulation material sheet which is 4 of the indoor unit work Use cables which are approved official in your country Be sure to use the specified circuit A short circuit and fire may occur due to the use of arrow lt gt is to guarantee z i l Above ane attached to the pipe insulation Connect the refrigerating pipe Ss low quality wire or improper work m Pemo controller the performance of the z connecting cord together with tape Refer to Pipe Connection on page 9 REA F 1 Insert the pipes through the wall hole i older 1 air conditioner Install the 8 When installing the indoor unit i Be sure to use the specified cables for connecting the indoor and outdoor units Please ensure that the connections are tight after the conductors of apparatus at the ample E BS N above the curtain rail or curtain Cut the heat insulation sheet refrigerating pipe aligning to 2 Hang the upper part of the Indoor unit on the mounting the wire are inserted into the terminals to prevent the external force is being applied to the connection section of the terminal base Improper insertion AAA size batter a ther SS A f box allow dimensions not the insulation sheet of the pipe and fix them temporarily with board and loose contact may cause over heating and fire oy 2 works 3 et al
25. nce amp This sign indicates prohibition Be sure that the unit operates in proper condition after installation Explain to customer the proper operation and maintenance of the unit as described in the user s guide Ask customers to keep this installation manual together with the instruction manual A WARNING lt If the starting point of refrigerating pipe bending is projected from the wall hole range or if the bending radius is too large the indoor unit may be lifted from i I Please bend at a small radius to form an arc Pipe can be bent wall and this may cause poor finishing Insert polyester core commercial product into the large diameter pipe Pipe support i i i i i i Pipe support with a small radius without being crushed if polyester core is used 2 When forming bend the refrigerating pipe with the smallest radius A CAUTION 065 wall T gt 3 F F F 7 z A hol 265 wall hole Center line of i i i n i Supplied Items aiy Figure showing
26. o the respective user manual of RAC Adapter for further details Please be careful not to damage lead wires by edge of plate when connecting the optional parts You can refer to this installation manual on how to remove and re attach the front cover Filter cleaning operation check will take approximately 7 minutes for the cleaning unit to make one cycle of back and forth aC E movement Make sure that the cleaning unit is actually working by a visual inspection from the top of the indoor unit a Wes 1 wi 4 z e Close the front panel properly S The filter cleaning operation does not start if the front panel is not closed properly If the front panel is opened during the operation check the operation will stop immediately If the ON OFF button on the remote control is pressed during the operation check the operation check is stopped before its completion Wait until the operation check is completed without pressing any button on the remote FINAL STAGE J Slide micro mesh stainless filter lock 2 places on the left and right downwards A CAUTION Use a new power outlet Old power outlet may cause insufficient electrical contact which could result in unforeseen accident Connect and disconnect the power plug a few times to ensure smooth plug in before completely insert the C power plug into the power outlet
27. operly refer to following Installing the Micro Mesh Stainless Filters Please perform Filter cleaning operation check again after reinstalled the filters _ A CAUTION j Once the installation work has been completed close the front panel and insert the power plug into the a This is utilized to avoid the interference of remote controller signals when two indoor units ag are installed in the same room The Address Selector Switch is on the outside of the remote Earth terminal controller battery cover Factory setting is set to A Setting the address to avoid interference Only one of the two indoor units has to be set turn off the power to the other indoor unit Place a battery in the remote controller and press the reset switch Refer to page 11 of the Operation Manual While pointing the remote controller transmitter receiver at the indoor unit move the switch of the Address Selector Switch to B The channel is set when the unit beeps confirming it has received the signal After changing the address please confirm the unit s operation with the remote controller C If the unit does not operate return the switch to A and set the switch again outlet and then carry out Filter Cleaning Operation Check Filter Cleaning Operation Check C Q After the installation work has been completed be sure to carry out Filter Cleaning Operation Check SWIN before perf
28. ord Keep additional length for the power cord and do not render the plug under external force as this may cause poor contact Do not fix the power cord with U shape nail The power cable easily generates heat Do not bring the cable together with a wire or vinyl tie Filter Lock Make sure that the top filters have been locked Lock the filters if they are not locked The filters may come off during the operation if they are not locked For all optional part please refer catalog for part number OPERATION CHECK 2 Affixing the Remote Controller and Installing the Anti mold Wasabi Cassette The remote controller may be affixed to a wall or pillar with the remote controller mounting screw When operating the air conditioning with the remote controller attached please make sure that the signal is received by the air conditioning Furthermore fluorescent lighting may affect the reception of the signal therefore please make sure by turning on the fluorescent lighting even during the day Lighting fixtures with electronic starters may shorten the reception distance and may even interfere with the signal being received As for connecting to H Link a separately purchased RAC Adapter is required To install the wiring the electrical box cover must be opened Connect the connector of RAC Adapter to CN7 Assemble back the cover of electrical box Please refer t
29. orming trial run cooling or heating Address selector switch i yo a Installing the Micro Mesh Stainless Filters IMPORTANT Fuse Capacity Slide the locks 2 places each on the left and right of the micro mesh stainless filters upwards Align the filter with the top face of the indoor unit and then slide and push it in The shape of the left and right filters are the same Cord band 16A time delay fuse Before turning on the power of the air conditioner make sure that the filters 2 pieces at the top and 2 pieces in front have been installed properly and locked 2 When the power of the air conditioner turns on the Filter Cleaning Operation starts automatically The F clean indicator is lit during the filter cleaning operation 1 Heat Insulation and Finishing of Piping Cover the pipe connection with the auxiliary insulation sheet wrap the tape without any gap If there is gap or over tightened it may cause condensation Please wrap the pipe and power cord together with vinyl tape as shown in the figure of the installation of indoor and outdoor units on page 2 To enhance the heat insulation and to prevent water condensation please cover the outdoor part of the drain hose and pipe with insulation sheet When using an exit cover do not
30. ping Drain hose Connectthe connecting cord and fix with cord Insert the shaft of the left arm along the step on the unit into the band AY N hole Hook onto the claw at 2 Securely insert the shaft of the right arm along the step on the the lower part of the unit into the hole terminal cover and fix 3 Make sure that the front panel is securely attached and then close with screw the front panel aa Ball valve Vacuum pump ahe N A Charge hose Vacuum pump adapter l Please leave the ball valve fully open Ball valve at all times valve core Hexagonal wrench key f Remove the lower cover Terminal marking a Terminal cover Wiring of the Outdoor Unit Please remove the side cover and terminal cover for wiring connection ee I o A WARNING The connecting cord must be fix with cord band Otherwise rain water may enter and causes short circuit Besides an external force may apply to the connection part of the connecting cord and could result in heat and fire D The terminal cover must be installed after work is done About Address Selector Switch How to check Micro Mesh Stainless Filter installation Remove the front panel and check if the filter locks 4 pcs are tripped or slant If the filters are not inserted pr
31. please put on the flare nut Procedures of Wiring Detail of Cutting the Connecting Cord e Indoor unit 70mm 10mm A B Strip i C ground mires O Right side of Screw the front cover Left side of the front cover 70mm Green Yellow ground Indoor unit Outdoor unit Screw Bottom part of Copper pipe pper pip the front cover X Please use exclusive tool for refrigerant R410 Outer diameter of pipe kgf cm Small diameter side 6 35 1 4 13 7 18 6 140 190 Large diameter side 9 52 3 8 34 3 44 1 350 450 A i Cc 7 i ae Outdoor unit alve Small diameter side 19 6 24 5 200 250 cor semis my head i 0 0 5 1 0 cap Large diameter side 9 19 6 24 5 200 250 L pomm Omm 0 0 5 1 0 12 3 15 7 125 160 02 0 Torque Nem AC 220 230 19 50Hz Outer Diameter A mm Rigid Flaring Tool 9 For R410A tool For R22 tool 6 35 1 4 9 52 3 8 Remove the bottom part of the front cover by pulling it forward Hold onto the left side of the front cover and remove while pulling in the direction of the arrow Connecting cord Connecting cord Tighten the screws on the terminal cover and on the left and right sides of the front cover Tighten the screws at the bottom of the front cover and replace the screw cover
32. r to cut the pipe and remove burr 2 Pipe Connection Remove the flare nut from the pipe of the indoor unit by removing the flare nut female side with a spanner while holding down the half union male side with a spanner Do not crush the pipe while bending it Gas Leakage Inspection Please use gas leakage detector to check if leakage occurs at connection of Flare nut as shown on the right If gas leakage occurs further Works to be done when transferring or removing air conditioner From the viewpoint of global environment protection refrigerant should be recovered pumped down when the air conditioner is transferred or removed 1 Perform force cooling operation refer to Force cooling Removing and Attaching the Front Panel Be sure to hold the front panel with both hands to detach and attach it Please refer to the operation manual on how to open and close the front panel a A CAUTION C Removing the Front Cover Remove the front panel Remove the screw cover at the bottom of the front cover and remove the screw Remove the screws on the terminal cover on the left side of the front cover and the screw on the right side Attaching the Front Cover 1 Make sure that the dew receiving pan and the cleaning unit are securely attached After attaching the left and right sides of the front cover onto the unit ens
33. roximately 15cm Connect the refrigerating pipe Refer to Pipe Connection on page 9 Cover the pipe connection with the auxiliary insulation sheet which was removed earlier with its split line on the top Wrap the tape without any gap Refer to Installation after connection of refrigerating pipes Horizontal piping on page 5 step 3 Insert the drain hose into the wall hole Connect the connecting cord Refer to Connection of Power Cord on page 10 Form connecting cord and refrigerating pipe and put them in the space on the lower side of the rear surface of the indoor unit Remove the temporary stand and hook the projection on the lower part of the Indoor unit onto the mounting board damage the pipe and connecting cord with the tip of the screwdriver during this operation Please refer to Removing and Attaching the Front Cover on page 14 to remove the bottom part of the front cover Condensed water pond 1 Installation of Mounting Board Wall Penetration and Installation of Protection Pipe Horizontally piping To remove front panel please refer to Removing and Attaching the Front Panel on page 13 Make sure to use both hands to attach and remove the front panel Install and change the drain hose and drain cap when installing the pipe horizontally as shown below Remove the lower cover when
34. ure that the top tabs 2 places have been fix on operation on page 12 for about 5 minutes as a preliminary operation Tighten the spindle of the service valve at small diameter side in clockwise direction Continue the force cooling operation for another 1 2 minutes and then tighten the spindle of the service valve at large diameter side in clockwise direction C Half union Z ye Flare nut Stop the force cooling operation o 8 Male side Wo Female side J A Wrench Torque wrench F N Tightening torque must be as shown in the table below Apply refrigerant oil on the connection part After carrying out the center alignment and manual tightening of the flare nut tighten the flare nut securely with a torque wrench spanner tighten the connection to stop leakage Be sure to use R410A detector Please do not use excessive force to open and close the movable panel by hands This may cause malfunction The movable panel automatically open and close when the power is ON OFF and START STOP ra Fix on the top tabs 2 places A CAUTION e Remove burr If burr is not removed it may cause leakage Point the side to be trimmed downwards during trimming to prevent copper chips from entering the a pipe J Before flaring
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