split unit air conditioner installation manual for service personnel only
Contents
1. ee a i F n l 2 Hook the front cover at lower portion to the drain pan and The remote controller D Undo the right arm while pushing it inside then fix them by screws and attach the caps Sleeve of must be slide in 2 Slide the front panel to right as shown in figure Then Attach the front panel Putty holder in the direction Controller ner as shown in the figure until it hooks at the Remove the filters lawer eno OF thaeremole Remove the caps and screws controller holder at the lower portion of the l front cover eae E Power Source And Op ration Test j l na err e Certainly insert the left shaft of the front panel to the hole Pull the front cover upward as far F Tie of the front cover Next insert the right shaft as same as p S Screw 2 pieces as the location where the lower E the left OWer SOUICE portion of the front cover is on SS Sl 4 Attach the filters which are placed the surface written A CAUTION Lower portion of front cover Deflector a e After attaching the filters push the front panel at three e Please use a new socket Accident may occur due to the use z arrow portion as shown in figure and close it of old socket because of poor contact Operation Test Remove while pulling the front i e Please plug in and then remove the plug for 2 3 times This f n E cover in direction to arrow as is to ensure that the plug is completely plugged into the socket Please ensure that the air condit2. When pumping starts slightly loosen the flare nut to check of air sucked in Then tighten the flare nut Remove the charge hose and tighten the cap of valve core Check the cap s periphery if there is any gas leakage J gt e Lu aa cc lt CONDENSED WATER DISPOSAL OF OUTDOOR UNIT There are holes on the base of Outdoor unit for condensed 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 as shown figure Join the drain pipe to one hole At first insert one portion of the hook to the base Portion A then pull the drain pipe in the direction shown by the arrow while inserting the hook into the base After installation check whether the drain pipe cling to the base firmly OUTDOOR UNIT Hexagonal In case of removing flare nut of an Indoor unit first remove a nut Wrench Key A CAUTION of small diameter side or a seal cap of big diameter side will fly cap ofvalve head out Prevent water from entering into the piping when working Re cap the service valve and tighten using Cap of valve head wrench Check the cap s periphery if there is e Please be careful when bending the copper pipe any gas leakage The task is then completed e Screw in manually while adjusting the center After that use of torque wrench to tighten the connection ee geo KOL em Gas Leakage Inspection 1 4 OBU Cw pps Small dia side 14
3. 0 18 0 140 180 FI 3 A ow ae Large dia side 9 52 3 8 33 0 42 0 330 420 Please use gas leakage detector to check if leakage 1 lo 12 70 1 2 50 0 62 0 500 620 i When using in cold region etc occurs at the connection of Flare nut as shown on 15 88 5 8 63 0 77 0 630 770 the right In cold region with severe cold climate and heavy snow water discharged M Naf Io renc DRAIN PIPE 100 mm ABOVE Z BUSH i Torque Small dia side 6 35 1 4 19 6 24 5 200 250 from heat exchanger freeze on the base surface and this may affect wrench Valve If gas leakage occurs further tighten the connection drainage In such a region remove bush on the bottom face of outdoor unit head cap Large dia side 9 52 3 8 19 6 24 5 200 250 io ston leakade for better drainage When using drainpipe consult our dealer 12 7 1 2 29 4 34 3 300 350 P ge Valve core cap 12 3 15 7 125 160 INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL A WARNING THIS APPLIANCE MUST Wiring Of The Indoor Unit How To Connect The Optional Parts BE EARTHED e For wire connection of the Indoor unit you need to remove RAC Adapter Wired Remote Co
4. LEZ E SEH a ar ae l Ma Wall WY 4 1x32Screw 4 e Procedures to fix the holder of remote control 1 Drill holes on wall 2 Push plug into the holes As shown below As shown below e Please use pliers to pull out the drain cap Hook This is an easier way to remove the drain cap e After adjustment the connecting cord and refrigerating pipes Ko are placed into the space available under the Indoor unit Use Wall holder to hold them tight The projection of Indoor unit must hook to the mounting plate Remote Drain cap Drain hose p Kp Holder Heat insulation pipe Pull this to the front during the connection Connecting of refrigerating pipes cord to ease task Protection pipe 20mm Drain hose Drain hose Please insert until here Please insert until here Wall Penetration and Installation of Protection Pipe e Drill a 80mm hole on Refrigerating pipe Dees ade ae i ag p UNO A WARNING A CAUTION Condensed water may leak out if not inserted properly a Installation of Drain Hose Seal with ea f 2 5mm Drill the wall at a small angle e Cut the protection pipe according to the wall thickness e Empty gap in the sleeve of protection pipe should be completely sealed with putty to avoid dripping of rain water into the room lt IA926 A gt putty Seal with putty Protection pipe le Sleeve of protection pipe Be sure that the wire is not in contact w
5. the lead in from a pole transformer and for the wiring from IMPORTANT WIRED REMOTE CONTROLLER i i i Fuse Capacit e Be sure to use only power cables approved from the a switch board of aS Or AD ie a ae OUNAOOP akaa d For all optional part please refer catalog for part number authorities in your country For example in Germany Cable unit in consideration of the locked rotor current 30A time delay fuse Connection to the electrical box NYM 3x1 2 f 30At Ype SKLON UGE SOA ME cele IMPORTANT e Remove the cover of electrical box e Please refer to the installation manual for wire connection to the terminals of the units The cabling must meet the Cable length Wire cross section CAUTION standards of electrical installation e There is a AC voltage of 220 240V between the L N A and Outdoor supply cords shall not be lighter than B terminals Therefore before servicing be sure to remove polychloroprene sheathed flexible cord with code the plug from the AC outlet or switch off the main switch designation 60245 IEC 57 e Connect the connector of wired remote controller to CN1102 e Assemble back the cover of electrical box e Please refer to the respective user manual of wired remote controller for further details e Please be careful not to damage lead wires by edge of plate when connecting the optional parts fa Insulation And Maintenance Of Pipe Connection 2 Installation Of Remote Controller How to remove the Front C
6. As shown in right figure remove the cap of 76cmHg during pumping fully e Open the side plate by unscrewing 2 ahd valve core Then connect the charge hose tighten the shuttle the screws as shown below x A 4 connecting Remove the cap of valve head Connect the Meter showing pressure ji gon vacuum pump adapter to the vacuum pump QO osea e Jagged edge will cause leakage and connect the charge hose to the adapter a e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe Pull downward A CAUTION Please make sure to remove all spacers inside the unit e Open the Top Back and Side cover of the unit e Pull out the spacers inside Spacers are only for transportation w Aide caver purpose If not remove vibration and noise will occur Top cover l Fully tighten the Hi knob of the manifold valve and completely unscrew the Lo knob gt Vacuum pump Run the vacuum pump for about 10 15 LOL adanter minutes then completely tighten the Lo knob and switch off the vacuum pump Back cover f e Please use exclusive tool Copper pipe A mm Diameter koa Flare tool for R410A mm inch Clutch type Clutch type Peas os 00 05 10 715 15720 95296 os oo 05 10 15 15 20 service valve at 2 places in anti clockwise Q 2 Pipe Connection direction to allow the flow of refrigerant using A Hexagonal Wrench key Qa valve core
7. NG leakage may occur and this causes short For all optional part please refer catalog for part number O woe 10mm je circuit or faults As for connecting to H Link a separately purchased LLI ni e The connecting cord should not touch e Investigate the power supply capacity and other RAC Adapter is required a n a Hen and ht It a electrical conditions at the installation location e To install the wiring the electrical box cover must be opened a ll 10mm igh tempsrature im nealing operanan Depending on the model of room air conditioner to be e Connect the connector of RAC adapter to CN1101 O 35mm x installed request the customer to make arrangements e Assemble back the cover of electrical box Checking for the electric source for the necessary electrical work etc e Please refer to the respective user manual of RAC Adapter WARNING The electrical work includes the wiring work up the for further details A and the voltage range outlet In localities where electrical conditions are e Please be careful not to damage lead wires by edge of e Before installation the power source must be checked and e The naked part of the wire core should be 10 mm and fix i poor use of a voltage regulation is recommended plate when connecting the optional parts it to the terminal tightly Then try to pull the individual wire PETS ARI Mn WORK USI ee Colnpleted a make Me wiring capacity proper use the wire gauges list below for A E a a Onna Oty
8. The Choice of Mounting Site Please note the following matters and obtain permission from customer before installation A WARNING e The Outdoor unit must be mounted at a location which can sup port heavy weight Otherwise noise and vibration will increase FOR SERVICE PERSONNEL ONLY e Carefully read through the procedures of proper installation before starting installation work e The sales agent should inform customers regarding the correct operation of installation A WARNING e The unit should be mounted at stable non vibratory location which can provide full support to the unit A CAUTION No nearby heat source and no obstruction near the air outlet is allowed HITACHI A CAUTION e 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 unit should not point directly to animals or plants The clearances of the unit from top left right and front are specified in figure below At least 3 of the above sides must be open air Be sure that the hot air blown out of the unit and noise do not disturb the neighbourhood 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 un
9. Vinyl tape Direct Mounting On The Wall e Please use hidden beams in the wall to hold the mounting plate small Pipe dia large ia External dimension of indoor unit Cable Pipe Pipe large small a it Wy e The rubber strap used for fixing the insulator should not be tied with great force Otherwise this will damage heat insulation and causes water condensation Wall hole Drain hose Installation e The upper part of the Indoor unit is hanged on the mounting plate e The projection at the lower part of the Indoor unit is hooked onto the mounting plate PA 141mm Mounting plate Layout of pipe downwards Drain Hose pee 1150mm N Lift the body FRR ioina ES 7 pe a Refrigerating of the unit Please pull the lower part of e Holder can be attached at the either of 2 places E O A nn a na Pipe upwards and the Indoor unit outwards to Please select the easier position EREI then force it check if the unit is hooked THE CONNECTION OF REFRIGERATING PIPE DURING THE onto the mounting plate Ky E gt Protection Improper installation may INSTALLATION OF INDOOR UNIT q CEI K Pipe Drain Hose Connecting cause vibration and noise Weight Mark Hole for cora Preparation To Install Refrigerating Pipes A CAUTION Screw for mounting plate pipe e The refrigerating pipes and connecting cord transform and are attached e The end of the refrigerating pipes a
10. and the methods described in the installation manual when horizontally out from right and 87 3 oO dealing with the electrical work Use power cables approved by the authorities of your country horizontally out to left Screw for Remote o gt Controller Holder y Be sure to use the specified wire for connecting the indoor and outdoor units Please ensure that the connections are tight after the conductors of the wire are inserted into the terminals Improper insertion and loose contact may cause over heating and fire Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock unit mm and fire may occur mounting stand Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults The indoor piping should be insulated with the enclosed insulation pipe If the insulator is insufficient please use commersial products When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so that a rupture may be caused Maximum pipe length 30m Minimum pipe length 3m 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 K above 100mm o gaei above 200mm ai abo
11. er installation may result in serious consequence Cut away shaded portion and finish the edge of the opening so that 20 there is no burr Direction of Piping 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 A WARNING 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 yourself Screw for Mounting Plate 4 1x32 Be sure to of completely seal any gap with OoOO Horizontally putty A erpendicular AL rrr a lo the unit KA p TLD KB ne T haii lt IRR om WX Please observe the instructions stated in the installation manual during the process of installation Improper installation may cause water leakage electric shock and fire gS 1 rhs ey aJ NII IO 5 z o There are 6 directions E Make sure that the units are mounted at locations which are able to provide full support to the weight of the units If not allowed namely horizontally 2 _ A the units may collapse and impose danger perpendicular to the unit s 3 T 8 SS 0 0 SSS vertically down from right j W Observe the rules and regulations of the electrical installation
12. hose e Arrange a drain hose in lowest part of a wall hole Do not install the unit near a location where there is flammable gas The outdoor unit may nner cameron g 16mm catch fire if flammable gas leaks around it Please use insulated drain hose for the indoor piping commercial product 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 INSTALLATION OF REFRIGERATING PIPES AFTER CONNECTION e The refrigerating pipes should be adjusted to fit into the hole on the wall and then ready for further connection e The terminals of 2 connected pipes must be covered with insulator used for terminal connection Then the pipes are wrapped with insulation pipe e Connect the connecting cord after removing electrical cover Refer to CONNECTION OF POWER CORD e After adjustment fit the connecting cord and pipes into the space available under the indoor unit Use holder to hold them tight 1 Installation of Mounting Plate Wall Penetration and Installation of Protection Pipe A CAUTION e The draining of the water container inside the indoor unit can be done from the left Therefore the mounting plate must be fixed horizontally or slightly tilted towards the side of drain hose Otherwise condensed water may overflow the water container Connecting cords pipe and drain hose must be tied together with
13. ioner is in normal operating shown in figure to hold the both e Keep additional length for the power cord and do not render condition during the operation test the plug under external force as this may cause poor contact e Explain to your customer the proper operation procedures e Do not fix the power cord with U shape nail as described in the user s manual Z Q H lt l lt tn V LL O Lu lt H V l lt LL sides of front cover ia ITACHI H E kamiin A ANN lt IA926 gt
14. it facing strong wind direction It may damage the fan motor SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Outdoor Unit Tools Needed For Installation Work e The clearance distances from top right and left are specified in figure below e Screwdriver e Measuring Tape e Knife e Saw e 65mm Power Drill e Allen Key IQ 4mm e Wrench 14 17 19 22mm e Gas Leakage Detector e Pipe Cutter e Plastic Tape Pliers Flare Tool e The location must be convenient for water drainage and pipe connection with the Outdoor unit Indoor Unit INDOOR UNIT e To avoid interference from noise please place the unit and its remote controller at least 1m from the radio television and inverter type fluorescent lamp OUTDOOR UNIT RAK 70PPA RAC 70WPA e To avoid any error in signal transmission from the remote controller please put the controller far away from high frequency machines SAFETY PRECAUTION and high power wireless systems e 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 e The installation height of indoor unit must be 2 3m or more Names of Indoor Components Component s Name Qty Figure showing the Installation of Indoor and Outdoor Unit A WARNING Incorrect methods of installation may cause death or serious injury CAUTION Improp
15. ith any metal in the wall Please use the protection pipe as wire passing through the hollow part of the wall so as to prevent the possibility of damaged by mouse Unless it seals completely any air with high humidity flows from outdoor and any dew may drop Horizontal amp Downward Piping Making Openings e During horizontal or downward piping use a knife to cut Openings as shown in figure Then smoothen the edges of openings with a file Openings Pipe support A Bending upwards e Turn the piping while holding down the lower portion of pipe support by hand Yi Pull up the pipe after bending downward Condensed water pond Be sure that the drain hose is not loosely connected or bend 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 CAUTION unit during installation Carelessness may result in water leakage i Pisdce mont ie oinidoor unton a a a Preparation of Pipe a Removal Of Air From The Pipe And Gas Leakage Inspection stable ground to prevent vibration unit to the wall Use a pipe cutter to cut the copper pipe j j i P eT een tool Procedures of using Vacuum Pump for Air Removal AR and increase of noise level Please When the meter reaches 101KPa e Decide the location for piping after gt remove Side sorting out the different types of J cover when pipe available wj aa
16. ntroller front panel and electrical cover iri Method to remove front panel mn Procedures of Wiring e Refer to FINAL STAGE OF INSTALLATION How to Remove iS A In case that power is supplied from Indoor Unit The Front Cover hdoartini udaru Method to remove electrical cover J Seuss neo ponent eee Line Cord 92 5 Connect the RAC Adapter cL L e Remove the screw and electrical cover Sari cord Ea 7 N e Insert the connecting cord A B C D from the bottom of unit Wired remote controller A BIc D a lB c o a e Fixed the wire to terminal wires firmly as shown in figure at 4 H 4 t 1 gO 5 i t t 4 t oo right side n AC 220 240V RAC Adapter cord Connecting Cord After remove the screw f and band put the 4 connecting cords and fix a TK Wired remote ap 21 6 or 82 0 the band with screw I PA controller cord iE J hE N Power line Control line i Electrical cover qui 30mm 30mm A y omm omm Wiring of The Outdoor Unit Q O O oe O nonar e Please remove the side cover for wire connection CN1102 a Unit 7 LL xX e If you cannot attach the side cover O Temim GRN YEL due to the connecting cord press the 70mm I connecting cord in direction to the front d A panel to fix it O ee re Strip wires e Be sure that the hooks of the side cover mm 25mm is fixed in certainly Otherwise water ae WARNI
17. over 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 Open the front panel Q After covering the front cover to the unit certainly hook heat insulator and then tied up with rubber strap fixed on wall or beam Picasa tremore ane aitach ihe at the upper portion four places Then check that the e Please tie the pipe and power line together with vinyl tape e To operate the remote controller at its holder please ensure front panel by both hands drain pan is certainly attached Push the front cover in as shown in the figure showing the installation of Indoor and that the unit can receive signal transmitted from the controller the direction of arrow at the Outdoor units Then fix their position with holders e To enchance the heat insulation and to prevent water condensation please cover the outdoor part of the drain hose and pipe with insulation pipe e Completely seal any gap with putty Insulation material for pipe connection at the place where the holder is to be fixed The unit will beep portion of hooks when signal is received from the remote controller The signal transmission is weaken by the fluorescent light Therefore during the installation of the remote control holder please switch on the light even during day time to determine the mounting location of the holder Aft ing the front panel th hands l
18. re at locations marked with V symbol e Please fix in the plastic core Please use more than 5 screws after flaring to avoid plastic chips entering the pipes e Push up PUSH section on the bottom of indoor unit then claws are released from hanger Procedures of Installation and Precautions indicated by erate S A e Procedures to fix the mounting plate right fF Please expand 1 Drill holes on wall 2 Push plug into the holes 3 Fix the mounting plate on i a Gaba Eau As shown below As shown below wall with 4 1 x 32 screw 5mm Please bend at a small radius to form an arc HORIZONTAL PIPING Change of Drain Hose and Installation Procedures e Exchange the location of drain hose and drain cap during horizontal piping as shown in figure below Be sure to plug in the drain hose until the insulating material folds upon itself As shown in figure below Ceiling above 50mm Installation Hang the Indoor unit onto the mounting plate Use the temporary stand at the back of the Indoor unit to push its lower part 15cm forwards e Place the drain hose through the hole on the wall e Wrap the refrigerating pipes with insulation pipe after connecting refrigerating pipe e Connect the connecting cord after removing electrical cover Refer to Connection of Power Cord Temporary stand INDOOR UNIT Wall Q Mounting plate Plug E
19. ve 50mm e give clearance The difference in height as wide as possible between the indoor and outdoor unit should be kept max 20m The connecting pipe no matter big or small 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 e ee ae installed on the pe x ceiling of balcon Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repairs may result in water leakage electric shock and fire etc CCE A should all be insulated r eS D with insulation pipe and i above 100mm i then wrapped with vinyl l s w tape The insulator will jms deteriorate if it is not wrapped with tape X above 700mm e A circuit breaker or fuse 30A time delay must be installed Without a circuit breaker or fuse the danger of electric shock exists 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 200mm The connection of insulated drain hose Bush e eS Drain Pipe oat 2 Installation of the Indoor Unit DIRECTLY BACKWARD AND DOWNWARD PIPING e Connect connecting cord e Pull out the pipe connecting cord and drain
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