FOR SERVICE PERSONNEL ONLY OUTDOOR UNIT
Contents
1. A CAUTION e Be sure to insert drain hose and drain cap firmly and fix with screw Insufficient insert may result in water leakage Connecting the refrigerating pipe at the back of the indoor unit 1 Remove the auxiliary a Projection insulation material sheet of the which is attached to the indoor unit Mo i l IN Fixing pipe insulation Keep U tab the removed auxiliary insulation material sheet because it will be reused after pipe connection Cushion 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 approximately 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 the2. A Procedures of Wiring Detail of Cutting the Connecting Cord e Indoor unit Indoor unit Outdoor unit 70mm 70mm AC 220V 10mm a Strip 10mm 10 50Hz Strip F wreed wires B iOm i a a Al Connecting cord cor Green Yellow ground Connecting cord e Outdoor unit g 160mm b 10mm Yellow 20mm 100mm A WARNING D If the supply cord is damaged it must be replaced by a special cord Maker s service parts available from the manufacturer or its service agent 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 Be sure to use only power cables approved form the authorities in your country For example in Germany Cable type NYM 3x2 5mm Fuse 16A time delay 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 band Secure the connecting cord along the coated part of the wire using the cord band Do not exert pressure on the wire as this may cause overheating or fire There is a AC voltege of
3. Use caution to prevent water from rain hose and connecting cor S ane ae ee which could result in a rupture and injur cassette i entering the cycle J together with tape Refer to Heat insulation and Finishing of Piping on page 11 which was removed earlier with its split line on the top Wrap Z i i i i F the t without an Refer to Heat insulation an e 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 CS 3 If there is gap or over tightened it may cause condensation Form the connecting cord and refrigerating pipe and put set of iad po es hay EAA ner i i e After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the Heat insulating materials The difference in height between the indoor and _Pipe support them in the space on the lower side of the rear surface AE PE E room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur lt a 1 Above 200mm een re be ea ae a Center line of wall hole of the indoor unit Put the binding band on the hook If there is gap or over tightened it may cause condensation A de rel recat to the air conditioner be fl aes If i Preah sens please call a qualified air conditioner 2 w should all be insulated with insulation pipe and eain Ge located o
4. 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 T h i apartment cut it in such manner that the dimension of board the mounting anchor projecting from the wall is 15mm or below Leveler Drill Hole for Board Anchor B While placing the mounting board on the wall embed the board ae at the positions near the upper and lower ee anchor in the wall unit is hung Use more than 4 screws for fixing Slide down the mounting plate and then fix the mounting board with the board anchor J INDOOR UNIT Dimensions of a unit E Drain hose X Items amp are included in the package of the outdoor unit For details on installing Component namely the nano titanium air cleaning mesh refer to pages 5 and 53 in the Operating Instructions Procure the material locally 2 A no air passes through ventilation flue sides of space around the unit to ensure Horizontally backward Length of Power Cable ei Piping configuration may be in six About 1 6m E 0 9m differe
5. 220V between the A and B terminals Therefore before servicing be sure to remove the plug from the AC outlet Wiring of the Indoor Unit 1 Remove the front panel Refer to Removing and Attaching the Front Panel on page 13 Remove the terminal cover and screw hold the upper part when removing Bring the connecting cord from the rear surface to the front surface through the cable guide X The connecting cord should be fix with the terminal Tightening torque reference value 1 2 1 6Nem 12 16kgfecm l Connecting Excessive tightening may cord damage the terminal CONNECTION OF POWER CORD Screw Connecting Drain hose Terminal cover cord Lower cover Connectthe connecting cord Cord band and fix with cord band Remove the lower cover Hook onto the claw at the lower part of the terminal cover and fix with screw About Address Selector Switch This is utilized to avoid the interference of remote controller signals when two indoor units are installed in the same room The Address Selector Switch is on the outside of the remote controller battery cover Factory setting is set to A e Setting the address to avoid interference Only one of the two indoor units has to be set turn off the power t
6. Filter cleaning operation check will take approximately 5 minutes for the cleaning unit to make one cycle of back and forth movement Make sure that the cleaning unit is actually working by a visual inspection from the top of the indoor unit e Close the front panel properly e 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 controller e If the filters are not installed properly Filter Cleaning Operation is found abnormal and the clean indicator blinks The filters may come off during operation if they are not installed properly e Ifthe 82 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 15 How to remove the panel frame Attaching the Front Cover Make sure that the dew receiving pan and the cleaning unit are securely attached ean Screw Screw After attaching the left and right sides of the front cover onto Terminal block cover the unit ensure that the top tabs 2 places have been fixed gt R on Remove the front panel and the storage box storage
7. Please pay special attention to the following sign A WARNING Incorrect methods of installation may cause death or serious injury O This sign indicates prohibition A CAUTION Improper installation may result in serious consequence Installation information 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 Below 5mm Pipe support from fire alarm A Pipe support The indoor unit air outlet should be installed at least 1 5m away NS i i iti i i i i i i N m 7 7 P F 7 z ter li f wall hol F i Bee ure Mat the unit Operates in preper conditionzalts rine tallations pian io customer ie prope operatinn ald maintonanceolieunt No Supplied Items Qty Figure showing the installation of Indoor and Outdoor Unit For example Ground installation Cener ineor walale 2 When forming bend the refrigerat
8. 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 A N Temporary switch Force cooling operation starts when the gt re switch is pressed for more than 5 seconds a JS Press the switch again and use the remote pewa NOn twice Off for 2 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 SWITCH controller to stop the operation a _ A CAUTION Do not operate the unit for more than 5 minutes while the spindle of the service valve is closed Operation test e Please ensure that the air conditioner is in normal operating condition during the operation test e Explain to your customer about the proper operation procedures as described in the operation manual e f the indoor unit won t operate check the cable for correct connection 12 REMOVING AND ATTACHING THE FRONT COVER OPERATION CHECK Removing and Attaching the Front Panel e 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
9. box wa Fix on the top tabs 2 places na S front panel Screw Unscrew screws of the terminal block cover and remove the terminal block Remove the screw cover below the panel frame and unscrew the 7 screws from the panel frame Tighten the 7 screws in the panel Install the terminal block cover and tighten the screws Install the screw cover Screw Screw ae i Terminal block cover front pare N ar aN B Terminal block cover Screw cover Screw Install the storage box and the panel N H LINK For details on part numbers of optional accessories refer to the catalogue To connect to H LINK purchase a RAC adaptor separately ioe e When connecting wires be sure to open the electric i box cover Connect the socket of RAC adaptor to CN7 Reattach the electric box cover For details on the RAC adaptor refer to its user manual Please take care when connecting the optional adaptor to prevent the edge of the circuit board from cutting the lead wire Remove and install the front cover by referring to this Instruction Manual Insert the screw driver into the hole on the right upper part of the panel frame and loosen the jaw Hold the panel frame and pull it along the
10. close the front panel 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 shaft of the left arm along the step on the unit into the hole Securely insert the shaft of the right arm along the step on the unit into the hole Make sure that the front panel is securely attached and then close the front panel r A CAUTION e When being installed or removed the panel is likely to slide off e When lifting to open the panel do not apply too much force Otherwise the panel may come off or malfunction may be caused A CAUTION e Before trial running of the air conditioner be sure to check the following steps 1 and 2 and then operate it in the cooling heating room 1 Verifying installation of the terminal block and the front panel Check whether the terminal block To close the front panel press its right and left sides first and cover has been installed then the center until it clicks into place front panel the terminal blo
11. direction indicated by the arrow to remove it How to check Micro Mesh Stainless Filter installation e Remove the front panel and check if the filter locks 2 pcs are tripped or slant e f the filters are not inserted properly refer to following Installing the Micro Mesh Stainless Filters e Please perform Filter cleaning operation check again after reinstalled the filters Installing the Micro Mesh Stainless Filters Filter mesh buckle Slide the buckles of the filter mesh leftwards to lock the filter mesh Each in both sides Keep the filter mesh facing up and 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 on e When the indoor unit is installed in a corner please set it by following the procedure below to achieve the maximum effect sttings of Dy Remote controller with Left corner installation Right corner installation Central installation Less than Keep holding it Hold it for more than 5 seconds e The setting completes when the machine beeps TA Keep holding it Hold it for more than J 5 seconds p a a e The setting completes when the machine beeps e When the air guide mode is set to evasion the air is sent to all areas
12. installation Careless may result in water leakage Please remove side cover when connecting the piping and connecting cord Please face this side suction side of the unit to the wall Pull downward a D 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 Tent Elevated stand RAS SX10HYK_EN_2 ai 2010 10 14 16 46 21 WZ ENY e INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL 1 Pipe Cutting and Flaring e Use a pipe cutter to cut the pipe and remove burr A CAUTION e Remove burr If burr is not removed it may cause leakage e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the C pipe e Before flaring please put on the flare nut i A Copper pipe X Please use exclusive tool for refrigerant R410 Outer Diameter A mm Rigid Flaring Tool For R410A tool For R22 tool 6 35 1 4 0 0 5 1 0 12 7 1 2 0 0 5 1 0 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 Apply refrigerant oil on the connection part After carrying out the center alignm
13. 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 Bush part Groove on the inner side protection 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 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 could result in dripping of dew It could also cause smell or odor present outdoor and inside the wall spreading into the room Changing of drain hose Horizontally piping e Install and change the drain hose and drain cap when installing the pipe horizontally as shown below e Remove the lower cover when installing and changing Do not carry out horizontal piping for drain hose gt o Use the plier to pull and turn the drain cap for easy removal Drain hose screw 1 Remove the screw and pull out the drain hose Drain hose screw Push the drain hose deeply into the screw hole fix with the removed screw during step U Insert drain cap up to the location securely till the cap stops Jk J
14. 2 Installation collapse and impose danger arrow Se Ie 1 guarantee Pt this range Horizontal piping Refrigerating aT the performance of the z a 2 3m or more 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 installation manual when dealing AAA size battery air conditioner Install the 3 ig aea 1 Remove the auxiliary insulation material sheet which is f the ind it with the electrical work Use cables which are approved official in your country Be sure to use the specified circuit A short circuit and N 2 apparatus at the ample e_pk a Above 80mm 3 Temporarily join the refrigerating pipe drain hose and ttached to the pipe insulation C tthe refri tina pi SE ECORI i i i i A space in order to carry out amp 8 A When installing the indoor unit attacned to the pipe Insulation Connect the refrigerating pipe fire may occur due to the use of low quality wire or improper work RY tHe maintenance and repair S A g the connecting cord together with tape Refer to Pipe Connection on page 9 bee OT Cory Insert the pipes through the wall hole Be sure to use the specified cables for connecting the indoor and outdoor units Please ensure that the connections are tight after the works 3 a EA aren ue aga pe l p g l l B iassa Hana ihe upper bart ofthe indso union ihe m uniin conductors of the wire are inserted into
15. RAS SX10HYK_EN_1 ai 2010 7 7 11 51 19 Sp ZUI FOR SERVICE PERSONNEL ONLY THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation a A WARNING gt C A WARNING gt Preparation of Pipe Horizontally and downward piping from the right Form the refrigerating pipe according to the wall hole e Carefully read through the procedures of proper installation r E PENE position indoor unit H ITAC H I 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 Poe w auxiliary elia dare ee tee is Especially in the case of horizontally backward piping 1 P th N t e The sales agent should inform customers regarding the __ can provide full support to the unit P _ weight Otherwise noise and vibration will increase J 7 Remove the auxilaiy insulation materiai shost whichis attac e to the pipe insu ation eep t e removed auxiliary follow the instruction below to carry out accurate forming e Form and set the Pengerang pipa oa eonnbeting cord nspire e ex corr ct operation of installation Pa S a N n insulation material sheet because it will be reused after pipe Match the end of the refrigerating pipes with the p i A CAUTION A CAUTION attached to the pipe insulation connection Forming
16. blows and the outdoor 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 Place the starting point of refrigerating pipe bending within the wall hole range L Wall hole range Carry out refrigerating pipe forming Bottom cover Pipe bush hole Drain hose 1 Refer to the mark at the back start bending the refrigerating piping within wall hole range r uu Please bend at a small radius to form an arc 00 diameter J Large diameter 00 Layout of horizontally piping from the right Temporarily 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 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 f
17. ck 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 clean indicator is lit during the filter cleaning operation x 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 x Do not touch the cleaning unit during the filter cleaning operation Doing so could result in injury or failure of the appliance gt lt Filter Lock e 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 Cleaning indicator To verify cleaning of the After the cleaning action is filter mesh send wind acknowledged if the cleaning when upper and lower wind diagnosis indicator blinks 4 boards are closed The on 1 off it indicates abnor cleaning indicator lights up mality in cleaning operation of the filter mesh In this case refer to the Operating Instructions for a solution 0 DO Cleaning Unit TEMPORARY Pe g TEMPORARY SWITCH TN SWITCH w e
18. e Front Cover on page 14 to remove the bottom part of the front cover Hole for removal Hold with hand Mounting boa Hole for removal 733 x Screwdriver rd 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 a A CAUTION N 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 ind
19. ent and manual tightening of the flare nut tighten the flare nut securely with a torque wrench spanner Half union KO Male side Wrench Torque wrench fal Flare nut Female side Tightening torque must be as shown in the table below Outer diameter of pipe 0 Torque Nem kgfecm Small diameter side 6 35 1 4 13 7 18 6 140 190 Large diameter side 12 7 1 2 44 1 53 9 450 550 Valve head cap 12 7 1 2 1 2 Small diameter side 6 35 1 4 1 2 Large diameter side 29 4 34 3 300 356 Valve core cap 19 6 24 5 200 250 12 3 15 7 125 160 e Otherwise the nut of big diameter side will fly out A CAUTION When removing flare nut of the indoor unit first remove the nut of small diameter side 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 S J 3 Remove of Air from the Pipe and Gas Leakage Inspection From the viewpoint of global environment protection air purge type should be vacuum pump method e F
20. except the left side e When the air guide mode is set to evasion the air is sent to all areas except the right side the upper cover opened More than 1m This is the factory default setting Keep holding it sx Hold it for more than 5 seconds 7 The setting completes when the machine beeps G OEA DAE e When the room and installing location change please set the remote controller again 16
21. f 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 1 Heat Insulation and Finishing of Piping Insulate and wrap with tape Seal with putty Connecting cord Refrigerating Drain hose Do not cut the drain hose in the middle When using an exit cover do not attach a bush for pipe Putty 25A time delay fuse Auxiliary insulation sheet a A CAUTION Ne 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 It could also cause smell or odor present outdoor and inside the wall spreading into the room 2 Affixing the Remote Controller and Installing the Anti mold Wasabi Cassette e The remote controller may be affixed to a wall or pillar with the remote controller mounting screw e 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 sig
22. indoor unit onto the mounting board Protection pipe Drain hose Pull this to the front during the connection of refrigerating pipe to ease task Auxiliary insulation sheet G f Zoy Refrigerating pipe Connecting cord A CAUTION Do not over tighten vinyl tape on pipe heat insulation sheet Do not over tighten to avoid loss of heat insulating 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 wrap with tape Auxiliary insulation Split line of the auxiliary insulation sheet must be positioned within range How to remove the indoor unit NS 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 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 damage the pipe and connecting cord with the tip of the screwdriver during this operation Please refer to Removing and Attaching th
23. ing pipe with the as described in the user s guide Ask customers to keep this installation manual together with the instruction manual Refrigerating pipe smallest radius Mounting board o l i A CAUTION A WARNING E Above 50mm Above 100mm when there is piping connection at the back of the outdoor unit 65 wall r n i 1 n 2 i hole ranga 965 wall hole Center line of e When using a plastic hose make sure to insert it only ron request u a agent or qualified technician to install your unit Water leakage short circuit or fire may occur if you do the TIE ll F ae D ij Place the i range wall hole after pipe expanding is carried out to avoid cutting installation work vourself e sure to completely seal Above 50mm ee E i e refrigerating at y z A R F F 7 T gap with putty 0 foe Senn Place the S pipe bending Ke Pipe support dust from getting inside Please observe the installation stated in the installation manual during the process of installation Improper installation may cause Screw for mounting A anama paltai within the wall water leakage electric shock and fire board 5 A i aa E ee e Aav insulati hole range z z refrigerating pipe Auxiliary insulation z z 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 um The space indicated by an 5 4 bending within sheet Waele Neu Sree 2G COM ENN Agee 2
24. ire may be caused Request your customer to keep the surrounding of the unit clean 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 distance and may even interfere with the signal being received ss The installation height should be at least 2 3m or more from the floor P 2 cc cc o a 2 z cA Please bend at a small A radius to form an arc Place the starting point of refrigerating pipe bending within the wall hole range LY i A If the starting point of refrigerating pipe bending is insert a plastic hose teommertial product projected from the wall hole range or if the bending Les i into the large diameter pipe radius is too large the indoor unit may be lifted from Nandini inii Please bend at a small radius to form an arc Pipe can be bent with wall an IS may Cause poor tinisning a small radius without being crushed if a plastic hose is used e Be sure to perform the cleaning unit operation check e Unlike conventional types this model has no grille on its top surface SAFETY PRECAUTION e Read the safety precautions carefully before operating the unit e The contents of this section are vital to ensure safety
25. losion or injury CSS8s 5 product the Connecting Drain hose N 7 s Nano titanium air Heating effici ill b oe cord When installing the unit be sure to install the refrigerant pipe before starting the compressor aleanind mesh 1 eating efficiency will be DIM V i If the refrigerant pipe is not installed and the compressor is operated with the service valve released air is sucked and the 9 T ir aras 10 Se 4 Wrap the wall hole portion with tape Refrigerating pipe ae Protection pipe eta pressure level of the refrigeration cycle may increase abnormally which could result in a rupture and injury C oroutdoor unit installation allowatleast ET S insulation sheet Temporarily in hos g A CAUTION 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 Do not install the unit near a location where there is flammable gas The outdoor unit may catch fire FaN if flammable gas leaks around it RNY Please ensure smooth flow of water when installing the drain hose Improper installing may wet your funiture An IEC approved power cord should be used Condensed Water Disposal of Outdoor Unit There is holes on the base of outdoor unit for condensed water to exhaust In order to flow condensed
26. nal therefore please make sure by turning on the fluorescent lighting even during the day received f Installation methods Wall surface oO Screws fixing the remote controller lt e Lighting fixtures with electronic starters may shorten the reception distance and may even interfere with the signal being e Install the anti mold wasabi cassette Refer to page 8 of the Operation Manual Noise may occur if the anti mold wasabi cassette is not installed properly Anti mold wasabi cassette Works to be done when transferring or removing air conditioner 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 1 tighten the connection to stop leakage Be sure to use R410A detector From the viewpoint of global environment protection refrigerant should be recovered pumped down when the air conditioner is transferred or removed Perform force cooling operation refer to Force cooling 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 Stop the force cooling operation
27. ndhe rear surface to fix it technician or electrician Improper repairs may result in water leakage electric shock and fire etc B Fon the ceiling of balcony 3x Above 50mm then wrapped with vinyl tape The insulator will i c l ush pped with vinyl tape The insulator wi Mounting board Be sure to connect the earth line from the power supply wire to the outdoor unit and between p 2 e give clearance as deteriorate if it is not wrapped with tape J ET Refrigerating pipe Refrigerating Join refrigerating pipe connecting cord and drain hose the outdoor and indoor unit Do not connect the earth line to the gas tube water pipe lighting rod or the earth line of the MERR Senn insulation sheet pipe temporarily with tape and wrap the wall hole portion with ee telephone unit Improper earthing may cause electric shocks oer Ss Above 200mm c i i i N ace Mn PRR AR gt alia l i Drain pipe Ss SS onnection of insulated drain hose refrigerating Auxiliary insulation sheet Refrigerat When finishing the refrigerant collection pumping down stop the compressor and then remove the coolant pipe pip I SJE Above 100mm Haam Please use insulated drain hose Inner diameter l pipe bending ee If you remove the refrigerant pipe while the compressor is operating and the service valve is released air is sucked and a S apaicoaan for the indoor piping commercial 16mm Dr in rte pressure in the freezing cycle system will build up steeply causing an exp
28. nt directions direct rear piping left or right downward piping and left or right sideways piping Do not modify the power cable 1 2 Wall Penetration and Installation of Protection Pipe Drill a 65mm hole on wall A WARNING Indoor Outdoor which is slightly tilted towards e Protection pipe commercial product must be used WALL the outdoor side i Cut the protection pipe according to the wall thickness and pass through the wall hole Empty gap in the sleeve of Protectio protection pipe should be pipe completely sealed with putty to avoid dripping of rain water into the room Installation of the Indoor Unit Preparation of Installation Putty Putty Sleeve of pipe C Remove the front panel e To remove front panel please refer to Removing and Attaching the Front Panel on page 13 e Make sure to use both hands to attach and remove the front panel Remove the lower cover e Push the bottom inner part 1 of the lower cover to remove the lower cover A Remove e To attach the lower cover attach 2 first and then attach by rotating it around 2 as the fulcrum oo tis Attach Wiring connection e Please refer to Connection of Power Cord on page 10 Cutting lower cover bush Horizontal and downward piping e While
29. o the other indoor unit 1 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 3 The channel is set when the unit beeps confirming it has received the signal e 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 Address selector switch A 3 Remove the Protection Sheet e Remove the protection sheet on the display panel moO CDJ aa Display panel PULSE AMPLITUDE MODULATION AESA rA immi Ce SSeS ooo os 4 Power Source and Operation Test Power source fF Force cooling operation e 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 cord Keep additional length for the power cord
30. of refrigerating pipe for horizontally backward locations marked with V symbol H ITACHI SPLIT U N IT AIR CON DITIONER No nearby heat source and no obstruction near the air outlet is allowed Do not expose the unit under direct sunshine or rain Besides ventilation Referring to the mark on the rear side form the pipe within piping Tools Needed For Installation Work INSTALLATION MANUAL mark is tool exclusive use for R410A Screwdriver The clearance distances from top right and left are specified as lt gt in figure below must be good and clear of obstruction The air blown out of the unit should not point directly to animals or plants the wall hole range INDOOR UNIT OUTDOOR UNIT d RAS 18SH2 RAC 18SH2 R410A Measuring Tape Knife Saw Pipe Cutter Hexagonal Wrench Key QO 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 connection with the outdoor unit resin and or damage The location must be convenient for water drainage and pipe Do not install at a location where there is flammable gas steam oil and smoke There is a risk of fire explosion deterioration of To avoid interference from noise please place the unit and its neighbourhood Place not exposed to strong wind Particularly on the rooftop of a building strong wind
31. oor unit through the drain hose and could result in corrosion on the copper pipe and Binding band can be installed to whichever side of the installation points However it is recommended to attach it on the right side viewing from the rear Be sure to cut the extra binding band Otherwise it may result in abnormal noise or dewfall OUTDOOR UNIT Condensed Bending water pond upwards l Condensed water pond Soe AN LY e Please mount the outdoor unit on stable ground to prevent vibration and increase of noise level 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 pulling it downward Reinstall the side cover in reverse order of the removal Fixed leg dimension of outdoor unit A CAUTION e Do not touch the suction port bottom surface or aluminium fin of the outdoor unit Failure to do so may cause an injury Mounting board Projection of the indoor unit a N A CAUTION Be sure that the drain hose is loosely connected bend or proper condition like left figure A A A CAUTION You are free to choose the side left or right for the installation of drain hose Please ensure the smooth flow of condensed water of the indoor unit during
32. s in anticlockwise direction to allow the flow of refrigerant unscrew halfway Tighten the cap of valve head Check and make sure that there is no gas leakage J Terminal marking ABC Body of service valve Cap of valve core Hexagonal wrench key Cap of valve head Cap of valve head Terminal cover 7 A WARNING S The connecting cord must be fix with cord band Otherwise rain water may enter and cause short circuit Besides an external force may apply to the connection part of the connecting cord and could result in heat and fire C The terminal cover and side cover must be installed after work is done Cord band r A CAUTION IMPORTANT e Outdoor supply cords shall not be lighter than polychloroprene sheathed flexible cord with code designation 60245 IEC 57 Fuse Capacity B4 FINAL STAGE 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 attach a bush for pipe When an exit cover is not used seal the gap o
33. the terminals to prevent the external force is being applied to the connection section of the Saa ae i a2 aeaa tie aiw Cut the heat insulation sheet refrigerating pipe aligning to 9 pper p 9 terminal base Improper insertion and loose contact may cause over heating and fire CONTONE NO CET The indoor piping should be l the insulation sheet of the pipe and fix them temporarily with board Please use the specified components for installation work Otherwise the unit may collapse or water leakage electric shock fire or E tine the enclosed tape Push the lower part of the indoor unit to the wall hook stronger vibration may occur 1 8g A Cover the pipe connection with the auxiliary insulation sheet the projection on the lower part of the indoor unit onto the Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults 5 z which was removed earlier with its split line on the top Wrap mounting board When installing or transferring an air conditioner to another location make sure that air other than the specified refrigerant R410A a i z The refrigerating machine oil is easily affected Ton join i pa a pipe the tape without any gap Tape must not be over tightened Cover the pipe connection with the auxiliary insulation sheet does not enter the refrigeration cycle If other air should enter the pressure level of the refrigeration cycle may increase abnormally Anti mold wasabi i 2 by moisture
34. ully tighten the Hi shuttle of the manifold valve and completely unscrew the Lo shuttle Run the vacuum pump Adapter is switched on e After pumping for about 10 15 minutes completely loosen the Lo shuttle and switch off the vacuum pump Adapter is switched off Meter showing pressure Make sure the meter ____ reaches 0 1MPa Closed 76cmHg during pumping _ Z e When pumping starts slightly loosen Benne Manly vele the flare nut to check if air sucked in Valve Then tighten the flare nut a Ball valve Vacuum pump Charge hose Vacuum pump adapter Please leave the ball valve fully open at all times Ball valve Wiring of the Outdoor Unit Please remove the side cover and terminal cover for wiring connection Pa e Remove the valve head cap E of the service valve Remove the cap of valve core and connect the charge hose Connect the vacuum pump adapter to the vacuum pump and connect the charge hose to the adapter Valve head cap for the service valve at small diameter side Valve head cap for the service valve at large diameter side Cap of valve core Loosen the spindle of the service valve with small diameter by 1 4 turn and tighten the spindle immediately after 5 to 6 seconds Remove the charging hose from the service valve Unscrew the spindle of both the service valve
35. 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 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 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 Press it into E iii the hole in E by the chassis aie 49 8 Bush We Se Press it into the Above at whole in the chassis 100mm Press it into the hole in the chassis Bush Outdoor water outlet 1 Installation of Mounting Board Wall Penetration and Installation of Protection Pipe A CAUTION A 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 Screw fixing the mounting 1
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