The outdoor unit must be mounted at a location which can sup
Contents
1. 1 6 or 2 0 After remove the screw and band put the connecting cords and fix the band with screw N A WARNING e The naked part of the wire core should be 10 mm and 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 Wiring Of The Outdoor Unit e Please remove the side cover for wire connection e Please refer to the installation manual for wire connection to the terminals of the units The cabling must meet the standards of electrical A installation e Be sure to use only power cables approved from the authorities in your country For example in Germany Cable type NYM 3x1 5mm fuse 30A time delay e You may not be able to close the side cover due to the connecting cord under such situation please press against the wall of side cover to fix it e There is a AC voltage of 240V between the L and N terminals Therefore before servicing be sure to remove the plug from the AC outlet or switch off the main switch J A WARNING Earth terminal e Be sure that the hooks 6 places are plugged in Otherwise water leakage may occur and this causes short circuit or faults J How to Remove the Front Cover e Open the cover and remo2. P Operation Test e Please ensure that the air conditioner is in normal operating condition during the operation test e Explain to your customer the proper operation procedures as described in the users manual
3. location where there is flammable gas The outdoor unit may above 100mm The connection of insulated catch fire if flammable gas leaks around it drain hose o oaa eR Se ein fasten adie Was S LE inner diameter 16 Please ensure smooth flow of water when installing the drain hose i f sas eel Piping shall be suitable supported with a maximum spacing of 1m between the supports above 500mm IF X Please use insulated drain hose for the indoor piping commercial product ii Installation of Mounting Plate Wall Penetration and Installation of Protection Pipe 2 Installation of the Indoor Unit e The coolant pipes should be adjusted to fit into the A CAUTION VERTICALLY DOWNWARD PIPING hole on the wall and then ready for further connection e The draining of the water container inside the indoor unit can be done from the left j g ae ee of FET ae sie be covered Therefore the mounting plate must be fixed horizontally or slightly tilted towards the WEE IS UIet eI Bee TOM ee iia Cannone i Connect power cord N e Connect the power cord side of drain hose Otherwise condensed water may overflow the water container f f y e Pull out the pipe power cord and drain hose Power line pipe and e After adjustment fit the power cord and pipes into drain hose must be the space available under the indoor unit d h h Direct Mounting On The Wall installation T e e Please use hidden beams in the wall
4. not alter the power cord Figure showing the Installation of Indoor and Outdoor Unit Be sure that the unit operates in proper condition after installation Explain to customer the proper way of operating the unit as described in the user s guide Screw for Mounting Plate Bes Gane CAUTION In case the pipe length is more than 20m add refrigerant R410A at 10 gram per every meter exceeds However pipe length shall not exceed 30m 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 Holder for Remote Controller Cut away shaded portion and finish the edge of the opening so that 20 there is no burr Please observe the instructions stated in the installation manual during the process of installation Improper installation may AAA Size Batter cause water leakage electric shock and fire y g Screw for holder of Remote Controller b gt 3 1x16 Remote Controller Be sure to above 50mm D P completely seal any above 100mm gap with _ Ls c putty above 100mm Direction of Piping NO A Horizontally H ym Perpendicular NEIUD i ITEE to the unit l X on 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 colla
5. to hold the mounting plate A CAUTION N e The upper part of the indoor unit is hanged External di oi on the mounting plate e The rubber strap used for xternal dimension o a 4 indoor unit e The projection at the lower part of the indoor 7 fixing the insulator should unit is hooked onto the mounting plate A CAUTION q not be tied with great force Otherwise this will damage Please pull the lower part heat insulation and causes Lift the body i of the indoor unit i water condensation Goolehtpios of heun outwards to check if the FE EH upwards and iboti unit is hooked onto the if then force mounting plate Improper Pipe Rubber strap tied with great force 1030mm Drain Hose Protection it downwards installation may cause j 7 ipe n 1 y PS Drain Hose Power Cora vibration and noise THE CONNECTION OF COOLANT PIPE DURING THE Mounting PeR a i INSTALLATION OF INDOOR UNIT 5 HORIZONTAL PIPING Preparation To Install Coolant Pipes A CAUTION e Coolant pipes and power cord must be tied together e Please fix in the plastic Change of Drain Hose and Installation Procedures e The front part of the coolant pipes are at locations core after flaring to avoid Lind e Exchange the location of drain hose and drain cap during horizontal piping as shown marked with V symbol plastic chips entering the al plate Hol for in figure below Be sure to plug in the drain hose until the insulating material folds upon than 4 screws itse
6. THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation A WARNING A WARNING The unit should be mounted at stable non vibratory location which can provide full support to the unit e Carefully read through the procedures of proper HITACHI installation before starting installation work e The sales agent should inform customers regarding the correct operation of installation The outdoor unit must be mounted at a location which can sup port heavy weight Otherwise noise and vibration will increase HITACHI SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Tools Needed For Installation Work No nearby heat source and no obstruction near the air outlet is allowed The clearance distances from top right and left are specified in A CAUTION 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 three 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 connection w
7. hile at work If the refrigerant gas comes into contact with fire a poisonous gas may occur unit mm 35 mounting stand After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks 2y into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur Ds 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 The difference in height Maximum pipe length 30m Minimum pipe length 5m above 100mm between the indoor and above 200mm outdoor unit should be ae give clearance kept below 5m as wide as possible The connecting pipe no matter big or small A CAUTION A circuit breaker or fuse 20A time delay must be installed Without a circuit breaker or fuse the danger of electric shock exists above 50mm 2 D ceiling of balcon insted on the should all be insulated with insulation pipe and then wrapped with plastic tape The insulator will Drain Pipe A main switch with a contact gap of more than 3mm has to be installed in the power supply line to the outdoor u 4 core net Do not install the unit near a
8. ing the connection i terminals of coolant of coolant pipes to pipes Power cord ease task Remote 4 l i Control s Coolant pipes Holder Drain cap Drain hose Please insert Baca Please insert until here i i until here A CAUTION Condensed water may leak out if not inserted propery Wall Penetration and Installation of Protection Pipe e Drill a 65mm hole on wall Pa H d A if A CAUTION which is slightly tilted 7 S HORIZONTAL amp DOWNWARD PIPING MAKING OPENINGS B a H towards the outdoor side Indoor Outdoor 7 a He ee T 3 Be sure that the Drill the wall at a small angle ie A CAUTION e During horizontal or downward piping use a knife to cut AEN gt i a drain hose is not e Cut the protection pipe y Be sure that the wire is not openings as shown in figure Then smoothen the edges gaa Vf N i SA ia loosely connected according to the wall in contact with any metal of openings with a file ep NET NLS in TN KIN or bent thickness in the wall Please use the bios Openings ROS pne aN J NAI ha Artes ndin meni e Empty gap in the sleeve of WATI protection te aa ia ioe ae protection pipe should be onf Sleeve of passing through the hollow e Transform the piping while holding down the lower portion completely sealed with putty pipe 2 profecion part of the wall so as to f of Scan Bite A You are free to choose the side left or right for the installation of drain to a
9. ire at least 1m away from the antenna or signal line of television radio or telephone This is to avoid noise interference e Screwdriver Measuring Tape Knife Indoor Unit Outdoor Unit e Saw 65mm Power Drill Allen Key i 4mm figure below The location must be convenient for water drainage and pipe connection with the Outdoor unit 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 To avoid any error in signal transmission from the remote controller please put the controller far away from high frequency machines and high power wireless systems The installation height of indoor unit must be 2 3m or more in a non public area Names of Indoor Components e Wrench 14 17 19 22mm e Gas Leakage Detector Pipe Cutter RAS 70YH5 RAC 70YH5 e Plastic Tape Pliers Flare Tool INDOOR UNIT OUTDOOR UNIT SAFETY PRECAUTION Read the safety precautions carefully before operating the unit e The contents of this section are vital to ensure safety Please pay special attention to the following sign The Length of Indoor Unit Power Cord WARNING Incorrect methods of installation may cause death or serious injury Component s Name CAUTION Improper installation may result in serious consequence mean ie about 0 9m about 1 6m Do
10. lf Mounting Plate Procedures of Installation and Precautions e Please use pliers to pull out the drain cap p This is an easier way to remove the drain cap Sse 0 85m Please bend at a small e Procedures to fix the mounting plate A radius to form an arc 1 Drill holes on wall 2 Fix the mounting plate on Teripotary Sand As shown below wall with 4 1 x 32 screw As shown in figure below 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 Projection Mounting above somm e Place the drain hose through the hole on the wall Screw e Insulate the connecting portion of coolant pipe with insulator gt g prainihose e Connect the power cord e After adjustment the power cord and coolant pipes are placed into the space available under the indoor unit Wf e The projection of indoor unit must hook to the mounting Ceiling INDOOR UNIT about 15cm 4 1 x 32 Screw plate D e Procedures to fix the holder of remote control laid d 1 Drill holes on wall As shown below 2AA Heat insulation I pipe MaN Remove the cap for drain hose installation Pull this to the front i EA Connected dur
11. ly tighten the Hi shuttle of the manifold valve and completely unscrew the Lo shuttle Run the vacuum pump for about 10 15 minutes then completely tighten the Lo shuttle and switch off the vacuum pump 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 purpose If not remove vibration and noise will occur Top cover Back cover e Before flaring please put on the flare nut When pumping starts slightly loosen the flare nut to check of air sucked in Then tighten the flare nut Side cover d D Completely unscrew the spindle of the service valve at 2 places in anti clockwise direction to allow the flow of coolant using Hexagonal Wrench key AIR REMOVAL Copper pipe The body of A mm service valve Imperial flaring tool Rigid flaring tool 0 8 1 5 0 0 5 1 0 2 0 0 1 0 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 i
12. ng the installation of the remote control holder please switch on the light even during day time to determine the mounting location of the holder The controller must be hooked onto the hook at the lower part of the holder Push in the remote controller in the direction as shown in figure below Screw 2 pieces Holder for Remote Controller Controller g Earth Line And Circuit Breaker A A CAUTION 4 Power Source And Operation Test Power Source e The earth line terminal of the outdoor unit is below the service valve e To avoid short circuit it is necessary to install circuit breaker depending on the mounting location of the unit e Do not place earth line near the following objects 1 Water pipe 2 Gas pipe There is danger of catching fire 3 The earth line of lightning conductor and telephone short circuit may occur during lightning J a A WARNING e Do not alter the plug of power cord C Do not make extension to the power cord CAUTION e Please use a new socket Accident may occur due to the use of old socket because of poor contact e Please plug in and then remove the plug for 2 3 times This is to ensure that the plug is completely plugged into the socket e Keep additional length for the power cord and do not render the plug under external force as this may cause poor contact e Do not fix the power cord with U shape nail
13. nstallation check whether the drain pipe cling to the base firmly Diameter 6 35 1 4 15 8 5 8 2 Pipe Connection e Please be careful when bending the copper pipe e Applied frozen grease to the connection points and then screw in manually After that use a torque wrench to tighten the connection Hexagonal Wrench Key Cap of valve head OUTDOOR UNIT the cap of valve head The task is then completed S S N Remove the Charge hose and tighten 0 Cap of valve head Gas Leakage Inspection A Please use gas leakage detector to check if leakage occurs at the connection of Flare nut as shown on the right 100 mm ABOVE Outer dia of pipe 6 35 1 4 Torque N m kgf cm Ax If gas leakage occurs further tighten the connection 1 GI 13 7 18 6 140 190 Hite 5 Large dia side 15 88 5 8 49 58 8 500 600 p leakage J m S tu Small dia side 6 35 1 4 19 0 21 0 194 214 D wrench head cap Large dia side 15 88 5 8 29 0 31 0 296 316 A Valve core cap A CAUTION X DRAIN PIPE Flare nut Small dia side When using in cold region etc In cold region with severe cold climate and heavy snow water discharged from heat exchanger freeze on the base surface and this may affect drainage In such a region remove bush on the bottom face of outdoor unit for better d
14. pse and impose danger Observe the rules and regulations of the electrical installation and the methods described in the installation manual when dealing with the electrical work Use power cables approved by the authorities of your country 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 There are 4 directions allowed namely horizontally perpendicular to the unit vertically down from right horizontally out from right and horizontally out to left Don t form the piping downward at the left of the unit 2 300mm or more Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock and fire may occur must not bend about 0 45m Fee above 300mm aed AY CC CC CC SS Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults 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 Dimension of Mounting Stand of the outdoor unit Be sure to ventilate fully if a refrigerant gas leak w
15. rainage When using drainpipe consult our dealer INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL In case of removing Flare nut of a indoor unit first remove a nut of S098 small diameter side or else seal cap of big diameter side will fly out Wiring Of The Indoor Unit e For wire connection of the Indoor unit you need to remove front panel and electrical cover Method to remove front panel e Refer to How to Remove The Front Cover A WARNING e THIS APPLIANCE MUST BE EARTHED Procedures of Wiring Power line Control line 30mm Momm Indoor oe Tomm GRN YEL 70mm D _ Strip wires 35mm 25mm Outdoor 7 Unit 10mm ar on Comm pss SS GRN YEL 10mm 45mm Power is supplied from Outdoor Unit Method to remove electrical cover e Remove the screw and electrical cover e Insert the connecting cord A B C D from the bottom of unit e Fixed the wire to terminal wires firmly as shown in figure at right side Outdoor Unit f po Line Cord 2 5 Indoor Unit Connect the earth cord Electrical cover Connecting Cord
16. sert the axis at the center of the front cover into the hook at the outlet frame e Fixed the screw and cover and R IMPORTANT Cable length Wire cross section IMPORTANT Fuse Capacity 20A time delay fuse 2 5mm 4 0mm up to 15m up to 25m FINAL STAGE OF INSTALLATION ii Insulation And Maintenance Of Pipe Connection e The connected terminals should be completed sealed with heat insulator and then tied up with rubber strap e Please tie the pipe and power line together with plastic tape as shown in the figure of installation of both the indoor and 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 Sleeve of protection pipe lt 1984 gt 2 Installation Of Remote Control e The remote controller can be placed in its holder which is fixed on wall or beam e To operate the remote controller at its holder please ensure that the unit can receive signal transmitted from the controller at the place where the holder is to be fixed The unit will beep when signal is received from the remote controller The signal transmission is weaken by the florescent light Therefore duri
17. ve the screw e After open the front panel remove the screw and open the cover e Remove the filter release the axis by pulling the center portion of front cover in the direction of arrow e Push vertical air deflector handle to the right or left side e After raise the front cover from bottom side as release the front cover by pull the right or left sides as Ne Checking for the electric source and the voltage range e Before installation the power source must be checked and necessary wiring work must be completed To make the proper wiring capacity use the wire gauges list below for the lead in from a pole transformer and for the wiring from a switch board of fuse box to the outlet in consideration of the locked rotor current m am O oc mT A ma z O H O LLI Z Z O e Investigate the power supply capacity and other electrical conditions at the installation location Depending on the model of room air conditioner to be installed request the customer to make arrangements for the necessary electrical work etc The electrical work includes the wiring work up the outlet In localities where electrical conditions are poor use of a voltage regulation is recommended How to Install the Front Cover e Insert the two hooks at the upper side certainly e Open Front Panel push the center down in the direction of the arrow to in
18. void dripping of rain prevent the possibility of Pull up the pipe after hose Please ensure the smooth flow of condensed water of the indoor bending downward water into the room damaged by mouse J CAUTION unit during installation Carelessness may result in water leakage lt 1984 gt g Removal Of Air From The Pipe And Gas Leakage Inspection Procedures of using Vacuum Pump for Air Removal i When the meter reaches 101KPa 76cmHg As shown in figure on the right remove during pumping fully tighten the shuttle the cap of valve head and valve core and then connect them to the vacuum pump and manifold valve J Please face this side 1 Preparation of Pipe suction side of the Ci tS wall e Use a pipe cutter to cut the copper pipe 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 connecting e Open the side plate by the piping unscrewing the screws as Lp and shown below connecting cord Please remove side cover when Copper pipe SA Meter showing pressure To Manifold valve Vacuum pump A downward _ CAUTION e Jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe N Ful
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