INS RAS-S10CET (EN1)
Contents
1. indoor piping should be insulated with the enclosed insulation pipe If the insulator is insufficient please use commercial products The difference in height between the indoor and outdoor unit should be kept max 10m The connecting pipe no matter big or small should all be insulated with insulation pipe and then wrapped with plastic tape The insulator will deteriorate if it is not wrapped with tape Maximum pipe length 15m above 200mm fen 50mm e x above 100mm x give clearance as wide as possible installed on the ceiling of balcony The connection of insulated drain hose inner diameter 16mm X above 700mm Please use insulated drain hose for the indoor piping commercial product 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 cord A CAUTION e The rubber strap used for fixing the insulator should not be tied with great force Mounting plate CAUTION Otherwis2. the drain hose Piping shall be suitably supported with a maximum spacing of 1m between the supports INDOOR UNIT Installation of Hanger Wall Penetration and Installation of Protection Pipe 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 Direct Mounting On The Wall e Please use hidden beams in the wall to hold the mounting plate 16mm D E E 110mm iw O 2 Installation of the Indoor Unit VERTICALLY DOWNWARD PIPING e Connect connecting cord e Pull out the pipe connecting cord and drain hose Installation e The upper part of the indoor unit is hanged on the mounting plate Connecting cords pipe and drain hose must be tied together with Vinyl tape e The projection at the lower part of the indoor unit is hooked onto the mounting plate Mounting plate must not bend about 400mm S log 5 fa re wo The
3. unit must be 2 3m or more 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 A WARNING Incorrect methods of installation may cause death or serious injury A CAUTION Improper installation may result in serious consequence 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 Names of Indoor Components Component s Name Mounting Plate Direction of Piping f Horizontally A p Perpendicular 3 IIIN LHA to the unit x UE er Ey LN E eo e e matin A Wo TILE gN R A A Connection Figure showing the Installation of Indoor and Outdoor Unit There are 6 directions allowed namely horizontally perpendicular to the unit vertically down from right horizontally out from right Screw for Mounting Plate am 4 1x32 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 Please observe the instructions stated in the installation manual during the process of installation Improper installation may cause water leakage electric shock and fire Make sure that the units are mounted at locations which are abl
4. 7 18 6 140 190 Please use gas leakage detector to check if leakage si gare oie MEIR BiDENS Ce Io Mera Ge Se ae occurs at the connection of Flare nut as shown on QO i 12 7 1 2 44 1 53 9 450 550 the right 49 Valve Small dia side 6 35 1 4 19 6 24 5 200 250 Wrench j 4 Procedures of using Vacuum Pump for Air Removal When the meter reaches 101kPa 76cmHg As shown in right figure remove the cap of during pumping fully tighten the shuttle valve core Then connect the charge hose Meter showing pressure Remove the cap of valve head Connect the vacuum pump adapter to the vacuum pump and connect the charge hose to the adapter Fully tighten the Hi knob of the manifold valve and completely unscrew the Lo knob Run the vacuum pump for about 10 15 minutes then completely tighten the Lo knob and switch off the vacuum pump When pumping starts slightly loosen the flare nut to check of air sucked in Then Remove the charge hose and tighten the cap Tepe ice ae PUP of valve core Check the cap s periphery if there is any gas leakage The body of service valve Completely unscrew the spindle of the service valve at 2 places in anti clockwise valve core direction to allow the flow of refrigerant using Hexagonal Hexagonal Wrench key Wrench Key Cap of valve head Re cap the service valve and tighten using wrench Check the cap s periphery if there
5. HITACHI SPLIT UNIT AIR CONDITIONER Indoor Unit FOR SERVICE PERSONNEL ONLY HITACHI INSTALLATION MANUAL e Screwdriver e Measuring Tape Knife e Saw e Pipe Cutter e Hexagonal Wrench Key JO 4mm e Power Drill 65mm 80mm e Torque Wrench Outdoor Unit e Pliers or Wrench RAC S10CET 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 Tools Needed For Installation Work allowed figure below connection with the Outdoor unit INDOOR UNIT e Vacuum Pump e Vacuum type fluorescent lamp A WARNING 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 The clearance distances from top right and left are specified in The location must be convenient for water drainage and pipe To avoid interference from noise please place the unit and its remote controller at least 1m from the radio television and inverter THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation A WARNING The outdoor unit must be mounted at a location which can support heavy weight Otherwise noise and vibration will increase A CAUTION Do not expose the unit under direct sunshine o
6. be dangerous If breakdown occurs please call qualified air conditioner technician or electrician Improper repairs may result in water leakage electric shock fire etc Holder for Remote Controller horizontally out to left horizontally out to right vertically down from left unit mm mounting stand CAUTION Installation of pipe length less than minimum pipe length requirement 4meters may generate an abnormal sound Be sure to completely seal any gap with above 50mm i putty A Screw for holder of Remote Controller 3 1x16 Q 1 above 100mm A r Remote Controller AAA Size Battery e A circuit breaker or fuse 10A 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 Do not install the unit near location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks around it Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its mist flows to the indoor unit The oil will deposit on the heat exchanger thereby reducing the indoor unit performance and may deform and in the worst case break the plastic parts of the indoor unit Please ensure smooth flow of water when installing
7. e this will damage 65mm x A heat insulation and causes paierai oe a Please pull the lower water condensation Pipe i part of the indoor unit ards and Projection ai FEM force mre outwards to check if Insulation pipe must be wrapped with LH A Level oe A it downwards ne unitis Naokgd onto viny tape at every 120mm i Aran a a GQ i Drain Hose a ian ae a E onnecting Cord mproper installation ET SAPP von nce may suse vibration THE CONNECTION OF REFRIGERATING PIPE DURING THE plate HORIZONTAL PIPING and noise INSTALLATION OF INDOOR UNIT Mark CERS UC 7 F Screw for Mounting Plate eae Am Preparation To Install Refrigerating Pipes Please use more than a A 7 j f ea ie Change of Drain Hose and Installation Procedures e The refrigerating pipes and connecting cord 4 screws s ae yoy e Exchange the location of drain hose and drain cap during horizontal piping as shown arrangement are attached Line A go Hole for pipe in figure below Be sure to plug in the drain hose until the insulating material folds The end of the refrigerating pipes are at locations Weight upon itself marked with V symbol Procedures of Installation and Precautions A CAUTION aie a e Procedures to fix the mounting plate e Plgase eae piere 4o pii For horizontally out to right piping i i ti 1 Drill holes on wall 2 Push plug into the holes 3 Fix the mounting plate on wall out the drain ap z La Pleas
8. e bend at a small As shown below As shown below with 4 1 x 32 screw This is an easier way to GOOD radius to Jorm an arg As shown in figure below remove the drain cap For right piping follow the instruction as below 085m Ceiling Mounting plate gt Screw _ A wal V7 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 4 1 x 32 Screw Wall lt i I Remote e Remove the cap for N Qua E Control drain hose installation De Heat insulation pi PESTE pipe amp melee 4 Pull this to the front nee ore x Screw during the connection Drain hose 20mm Wall Penetration and Installation of Protection Pipe e Drill a 65mm hole on wall which is slightly tilted towards the naar side Jo Ey cue A WARNING Seal with ae Be sure that the wire is not putty in contact with any metal in the wall Please use the protection pipe as wire passing through the hollow 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 Seal with putty part of the wall so as to prevent the possibility of damaged by mouse Unless it seals completely Air with high humidity flows from outdoor may cause dew drop Protection pipe Sleeve
9. e to provide full support to the weight of the units If not the units may collapse and impose danger 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 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 and fire Please use the specified components for installation work Otherwise may cause water leakage or unit collapse electric shock and fire may occur When installing or removing an air conditioner only specified refrigerant R 22 shall be allowed do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high leading to possibility of unit rupture Be sure to ventilate fully if a refrigerant gas leak while operating If the refrigerant gas comes into contact with fire poisonous gas may occur 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 poisonous gas may occur Unauthorized modifications to the air conditioner may
10. is Cap of valve head any gas leakage The task is then completed Torque head cap Large dia side 9 52 3 8 19 6 24 5 200 250 If gas leakage occurs further tighten the connection wrench l to stop leakage 12 7 1 2 29 4 34 3 300 350 Valve core cap 12 3 15 7 125 160 Wiring Of The Indoor Unit e For wire connection of the Indoor unit you need to open or remove front panel and electrical cover Method to remove front panel e Please refer to Instruction Manual Removing the Front Panel under Cleaning of Front Panel Method to remove electrical cover e Remove the screw and electrical cover e Insert the connecting cord A B from the back of unit e Fixed the wire to terminal wires firmly as shown in figure at right side Electrical cover Connecting cord Wiring of The Outdoor Unit e Please remove the side plate for wire connection e If you cannot attach the side plate due to the connecting cord please press the connecting cord in direction to the A front panel to fix it e Be sure that the hooks of the side plate is fixed in certainly WARNING Otherwise water leakage may occur and this causes short circuit or faults A CAUTION Note e Outdoor supply cords shall not be lighter than polychloroprene sheathed flexible cord 60245 IEC 57 Connect the ear
11. is to be fixed The unit will beep 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 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 The controller Insulation material for pipe connection should be insert from top into bottom side of the holder as shown in figure beside Sleeve of protection pipe Putty and bend it again FINAL STAGE OF INSTALLATION slanting crack different length 0o00 G OO OO lt IA1267 gt INS RAS S10CET EN2 1 How to check pipe bending Compare bended pipe with the picture below f bended pipe is not good enough cut bended area all areas are smooth no notching area no scratch or mark inside all have the same length phase of bending is too long there are scratches around bending area sample of bending pipe cannot be used A CAUTION 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 Remote Controller Screw 2 pieces Operation Test Holde
12. of protection pipe lt IA1267 A gt INS RAS S10CET EN1 1 e Press the upper side of clamp Drain cap Drain hose Drain cap j I x Drain hose SN D Na Following bending from left to right directly could cause damage to pipe Drain cap Please insert until here Drain hose Please insert until here Condensed water may leak out if not inserted properly CAUTION 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 e After adjustment the connecting cord and refrigerating pipes are placed into the space available under the Indoor unit e The projection of Indoor unit must hook to the mounting plate Projection Hook Connecting cord of refrigerating pipes to ease task Connected section Refrigerating pipe Holder CAUTION Be sure that the drain hose is not loosely connected or bend Condensed water pond Condensed water pond Bending upwards You are free to choose the side left or right for the installation of drain ho
13. r for Remote Controller condition during the operation test as described in the user s manual 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 e Explain to your customer the proper operation procedures Operate air conditioner After 10 15 minutes of at cooling mode for pre operation close 2s 10 15 minutes valve After 3 minutes close 3s valve Most Important Process Purpose To make the oil amp refrigerant mix together They are in separated condition when air conditioner is stopped refrigerant amp oil will be collected into outdoor unit Take out air conditioner unit Install New Refrigerant Please ensure that the air conditioner is in normal operating air conditioner It is advisable to flush the piping with R 22 to avoid any contamination remain before new installation 5 11 15 2 54 PM
14. r 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 RAS S10CET Pump Adaptor e Flare Tool e Manifold Valve Charge Hose e Gas Leakage Detector e Reammer File 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 wire at least 1m away from the antenna or signal line of television radio or telephone This is to avoid noise interference Do not install outdoor unit facing strong wind direction It may damage the fan motor Do not install the outdoor 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 occur Request your customer to keep the surrounding of the unit is clean A CAUTION e The installation height of indoor unit must be 2 3m or more 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
15. se Please ensure the smooth flow of condensed water of the Indoor CAUTION unit during installation Improper installation may result in water leakage 5 11 15 2 54 PM e Please mount the Outdoor unit on stable ground to prevent vibration a Preparation of Pipe 3 Removal Of Air From The Pipe And Gas Leakage Inspection and increase of noise level e Decide the location for piping after sorting out the different types of pipe available e Open the side plate by unscrewing the screws as shown below Please face this side suction side of the unit to the wall OUTDOOR UNIT Please remove side cover when connecting the connecting cord INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL WARNING e THIS APPLIANCE MUST BE EARTHED Power supply shall be connected at the rated voltage otherwise the unit will be broken or could not reach the specified capacity Procedures of Wiring Terminal Board SS SS SS eS ma I tes ef a A Green amp Yellow N Blue Green amp Yellow L Indoor Unit Outdoor Unit Line Cord Unit 30mm 70mm GRN YEL Detail of cutting the connecting cord om When removing the connecting wires for the Indoor unit please remove the Outdoor 10mm low cover panel in front of the unit Unit CONNECTION OF POWER CORD A WARNING e The naked part of the wire core should be 10 mm and fixed to
16. th cord After remove the screw and band put the connecting cords and fix the band with screw Earth terminal 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 outdoor In localities where electrical conditions are poor use of a voltage regulator is recommended e Install outlet for the room air conditioner within the reaching range of the line cord IMPORTANT Circuit Breaker 10A K Insulation And Maintenance Of Pipe Connection 2 Installation Of Remote Controller 3 Power Source And Operation Test Proper Pump Down Method e The connected terminals should be completely sealed with e The remote controller can be placed in its holder which is Power Source heat insulator and then tied up with rubber strap fixed on wall or beam e Please tie the pipe and power line together with vinyl tape e To operate the remote controller at its holder please ensure as shown in the figure showing the installation of Indoor and that the unit can receive signal transmitted from the controller Outdoor units Then fix their position with holders at the place where the holder
17. the terminal tightly Then try to pull the individual wire to check if the contact is tight Improper insertion may burn the terminal e Be sure to use only power cables approved from the authorities in your country For example in Germany Cable type NYM 3x1 5mm7 fuse 16A time delay e Please refer to the installation manual for wire connection to the terminals of the units The cabling must meet the standards of electrical installation e There is a AC voltage of 220 230V 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 e Do not make any connection in the middle of the connecting cable It may cause the wire over heated emit smoke and fire e Before flaring please put on the flare nut e Use a pipe cutter to cut the copper pipe Trimming tool G Copper pipe CAUTION e Jagged edge will cause leakage Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe Die A Copper pipe AIR REMOVAL A mm Diameter Imperial flaring tool Rigid flaring tool Pipe Connection In case of removing flare nut of an Indoor unit first remove the N CAUTION nut of small diameter side or a seal cap of bigger diameter side will burst out Prevent water from entering into the piping when working oe dia of pipe kgf cm Gas Leakage Inspection Small dia side 6 35 1 4 13
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