INDOOR UNIT - Hitachi Air Conditioning Products (M) Sdn. Bhd.
Contents
1. i Rubber strap tied pipe should be completely sealed with ACAUTION putty to avoid dripping of rain water into part of the wall so as to shes E aly T A CAUTION n Protection prevent the possibility of Please pull the lower part of the Indoor unit EF Ditch Be sure that the drain hose is the room pipe Sleeve of damaged by mouse outwards to check if the unit is hooked onto TF Condensed e Please ensure smooth flow of water ial ine hanar mooner tsia onin x water pond not loosely connected bend or when installing the drain hose Improper protection ete ii Sga SCompieiey Ce A ene aii proper condition like left figure pipe any air with high humidity vibration and noise O LAY Bending upwards ores waler flows from outdoor and any Transform the piping while holding down the dew may drop lower portion of pipe support by hand support installing may wet your funiture An IEC approved power cord should be used Power cord type NYM A 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 uw Transform after bending downward CAUTION unit during installation Careless may result in water leakage e Please mount the Outdoor unit of 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 removi2. Drain cap Drain Hose 4 1 x 32 screw with heat insulator and then tied up with rubber strap connection Insulating Do not tie the terminals with the tape too tight section of the If any clearance or over tightening may cause drain hose end condensation e Push the pipe deeply until the insulating Please tie the pipe and power line together with vinyl section of the drain hose end gets over the tape as shown in the figure showing the installation of rib at the indoor unit side Indoor and Outdoor units To enhance the heat insulation and to prevent water Drill a 265mm hole on wall which is A WARNING condensation please cover the outdoor part of the slightly tilted towards the outdoor side 2 5mm drain hose and pipe with insulation pipe Drill the wall at a small angle Completely seal any gap with putty Cut the protection pipe according to the wall thickness Empty gap in the sleeve of protection e Remove low cover e Insert drain cap up to the location securely till the cap stops Wall Penetration and Installation of Protection Pipe Putty Be sure that the wire is not in contact with any metal in re the wall Please use the e The rubber strap used for fixing the insulator FEA 4 protection pipe as wire should not be tied with great force Otherwise passing through the hollow this will damage heat insulation and causes Pipe Seal with putty Installation of Drain Hose
3. 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 user s manual lt O al l a Y Z LL O LLI lt j Y l lt Z LL HOW TO REMOVE INDOOR UNIT e Push up the PUSH sections at the bottom of the indoor unit and pull the bottom plate towards you Then the claws are released from the stationary plate The PUSH sections are indicated by 2 arrows in the right figure S PUSH mark positions A lt S4249 gt
4. valve head Connect the vacuum pump adapter to the When the meter reaches 101KPa 76cmHg during pumping fully tighten the shuttle Meter showing pressure e Remove burr and jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe Die y Please use exclusive tool for _ refrigerant R410 Copper pipe A mm Rigid Flaring Tool For R410A tool For R22 tool 1 0 Diameter 6 35 1 4 9 52 3 8 Pipe Connection e Incase of removing flare nut of a indoor unit first remove a nut of small diameter side or a seal cap of big diameter side will fly out Free from water into the piping when working Be sure to tighten the flare nut to the specified torque with a torque wrench If the flare nut is overtightened the nut may be split after a long period has passed and may cause a refrigerant leak A CAUTION e Please be careful when bending the copper pipe e Screw in manually while adjusting the center After that use a torque wrench to vacuum pump and connect the charge hose to the adapter Closed a R410A i Manifold K valve Vacuum Fully tighter the Hi shuttle of the manifold Valve pump valve and completely unscrew the Lo shuttle Run the vacuum pump for about f 10 15 minutes then completely tighten the era Lo
5. THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation FOR SERVICE PERSONNEL ONLY WARNING E WARNING e The unit should be mounted at stable non vibratory location HITACHI A CAUTION HITACHI SPLIT UNIT AIR CONDITIONER No nearby heat source and no obstruction near the air INSTALLATION MANUAL e The Outdoor unit must be mounted at a location which can support heavy weight Otherwise noise and vibration will increase e Carefully read through the procedures of proper installation before starting installation work The sales agent should inform customers regarding the correct operation of installation 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 three of the above sides must be open air The installation height should be at least 2 300 mm or more from the floor 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 outlet is allowed The clearance distances from top right and left are specified in figure below The location must be convenient for water drainage and pipe connection with the Outdoor
6. band e AC 230V ee A I B 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 A WARNING e 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 e Be sure to use only wire specified for the use of air conditioner e Please refer to the manual for wire connection and the wiring technique should meet the standards of the electrical installation e There is an AC voltage drop between the AB terminal if the power is on Therefore be sure to remove the plug from its socket e The indoor unit is supplied with a power cord without AC power plug Please use a AC power plug acc to the technical standards in your country The AC outlet closed to the indoor unit electrical installation cable 3x1 5mm7 and fuse breaker 16A has to be installed in accordance to the technical standards in your country Wiring Of The Outdoor Unit e Please remove the side cover for wire connection A WARNING cover e f you cannot attach the side cover due to the connecting cord press the connecting cord in direction to the front panel to fix it e Be sure that the hooks of the side cover is fixed in certainly Otherwise water leakage ma
7. e connecting cord after removing low cover about 15cm O Procedures of Installation and Precautions Changed of Drain Hose and Installation Procedures Refer to Connection of Power Cord O e Procedures to fix the hanger e Exchange the location of drain hose and drain cap while installing the pipe from the left side as e After adjustment the connecting cord and refrigerating pipes O shown in below Be sure to plug in the drain hose until the insulating material folds upon itself are placed into the space available under the Indoor unit gt 1 Drill holes on wall 2 Push plug into the holes 3 Fix the hanger on wall with The projection of Indoor unit must hook to the hanger Protection As shown below As shown below 4 1 x 32 screw e Please use pliers to pull out the drain cap A CAUTION Wall hole M aa As shown in figure below This is an easier way to remove the drain 5 Wall Insufficient insert may Pipe 40 Connecting Pull this to the front during the a Plug cap oy Yo ST a Hanger aN ierecure Ceiling result in water leakage Cable Se A Drain hose connection of refrigerating E DS MIS ID RAR IRIAN RARA R pipe to ease task Connecting cord crew locally Drain layout of backward piping from left above 50mm 7 Holder Section Q u u eee ec ON ETE E Heat Insulation and Finish of the Piping wa SS mae e The connected terminals should be completed sealed Insulation material for pipe
8. gf cm jam 6 35 1 4 13 7 18 6 140 190 PEN SI Valve Small diameter side 6 35 1 4 19 6 24 5 200 250 head cap Large diameter side 9 52 3 8 19 6 24 5 200 250 Torque Valve core cap 12 3 15 7 125 160 If gas leakage occurs further tighten the connection to stop leakage INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL wrench Wiring Of The Indoor Unit Pull at the i and 2 in the directions as shown by arrows to remove the cover Procedures of Wiring Open the front panel loosen and remove the screw at the electric box cover located at the right side of front cover Loosen and remove the screw fixing inner cover sheet metal e After inserting the connecting cords from the s cover of air outlet bend the tips of connecting cords as shown in the figure below Fix the cords securely to the inner cover sheet metal according to their respective colors Tightening torque 5kgf cm e After the wiring is done reinstall the inner cover sheet metal and the electric box cover accordingly A WARNING 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 A WARNING Indoor Unit Outdoor Unit OO 1 Connecting Cord 77 o e Leave some space in the connecting cord for maintenance purpose and be sure to secure it with the cord
9. he front cover to lock the claws 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 Power Source And Operation Test Tighten the two screws After opening the front panel by both hands Undo the right arm while pushing it inside Slide the front panel to right as shown in figure Then remove while pulling it to front OO Remove the filters Install the filter Slide the shafts of the right and left arms on the front panel along the steps to insert the shafts into the holes till they stop After checking that the shafts are securely inserted close the panel lo N After removing two screws pull the center of the front cover towards you and release the claws A 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 gt Pull the side faces lower sections of the front cover towards you as shown in the figure and remove the cover 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 Operation Test e Please ensure
10. nection Then the pipes are wrapped with insulation pipe Connect the connecting cord after removing low cover LEP Openi Refer to CONNECTION OF POWER CORD fj penings i After adjustment fit the connecting cord and pipes PIPING FROM THE RIGHT SIDE BACKWARD DOWNWARD HORIZONTAL into the space available under the unit Use holder to WP Holder 450mm g hold them tight 7 400mm gt Holder can be attached at the either of 2 places Cutting Low Cover bush A CAUTION e While installing the pipe from the right left or e The draining of the water container inside the Indoor unit can be done from the left bottom side use a knife to cut openings as Therefore the hanger must be fixed horizontally or slightly tilted towards the side of shown in figure Then smoothen the edges of drain hose Otherwise condensed water may overflow the water container openings with a file Openings Direct Mounting On The Wall e Please use hidden beams in the wall to hold the hanger Visible outline of the outdoor unit pane 20mm 125mm e Connect connecting cord p ween ti Insulation pipe must be wrapped with lt i f 44mm e Pull out the pipe connecting cord and drain hose Reger a ype uence vinyl tape at every 120 mm i yall ng Installation THE CONNECTION OF REFRIGERATING PIPE DURING 00 a ole C ti d i d D Insert the pipe through the wall hole C
11. ng side cover please pull the handle after undoing the hook by pulling it downward Reinstall the side cover in the reverse order of the removal Please face this side Suction side of heunitiothewal Please remove terminal cover when connecting the piping and connecting cord A CAUTION e Do not touch the suction port bottom surface or aluminum fin of the outdoor unit Failure to do so may cause an injury fof ey 4 yY OER Law l an x 0 ATN So AAT SNS MATT BY Ow RAC 14GH5 CONDENSED WATER DISPOSAL OF OUTDOOR UNIT e There is holes on the base of Outdoor unit for condensed water to exhaust e In order to flow condensed water to the drain the unit is installed on a stand ora block so that the unit is 100mm above the ground as shown figure Join the drain pipe to one hole e After installation check whether the drain pipe clings to the base firmly Z D oc O O Q j O DRAIN HOLE Outer diameter 16 mm or more gt 74 DRAIN PIPE Preparation of Pipe e Use a pipe cutter to cut the copper pipe and remove burr Trimming tool E Remove of Air From The Pipe And Gas Leakage Inspection Procedures of using Vacuum Pump for Air Removal As shown in right figure remove the cap of valve core Then connect the charge hose Remove the cap of
12. o refrigeration gas leakage If the refrigerant gas leaks into the P The indoor piping should be room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur a insulated with the enclosed Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner 5 insulation pipe ye Insulator Is technician or electrician Improper repairs may result in water leakage electric shock and fire etc Z sei Ponce coinienole Be sure to connect the earth line from the power supply wire to the outdoor unit and between 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 amp The refrigerating machine oil is telephone unit Improper earthing may cause electric shocks Sao ANSeS IY oe When finishing the refrigerant collection pumping down stop the compressor and then remove the coolant pipe eles ae eae ae If you remove the refrigerant pipe while the compressor is operating and the service valve is released air is sucked and a l The diference ir height between pressure in the freezing cycle system will build up steeply causing an explosion or injury EO above 200mm the indoor and outdoor unit When installing the unit be sure to install the refrigerant pipe before starting the compressor Aa z should be kept below 5m If the refrigerant pipe is not installed and the compressor S opera
13. omecing ods peard THE INSTALLATION OF INDOOR UNIT a Lat Lay 442mm The upper part of the Indoor unit is hanged on the together with Vinyl tape The end of the refrigerating pipes are at Ga TI sy UCS SOK fa5mm hanger a Preparation To Install Refrigerating Pipes locations marked with V symbol a ole A Drain Hees The projection at the lower part of the Indoor unit is e The refrigerating pipes and connecting cord aw JE hooked onto the hanger transform and are attached Pipe Drain hose Hanger Hanger Drain layout of Refrigerating N E backward piping Please bend at a small E below Screw the hanger at the Pipe upwards and radius to form an are 0 A A 5mm positions possibly near the iherrtorcei Installation maa ie sated ede ae downwards Hang the indoor unit onto the hanger Use the temporary stand Peco e inaoor unit IS nung Use 4 or i gt more serawe to ithe Hager Pokalon f R at the back of the Indoor unit to push its lower part 15cm ik Pipe Drain Hose Connecting Cord forwards YY Projection e Place the drain hose through the hole on the wall PIPING FROM THE LEFT SIDE BACKWARD DOWNWARD HORIZONTAL mE ie A eee Mei enOn PPS ele am connecting refrigerating pipe K H i e Connect th
14. ow quality wire or improper work Backward piping 5 Be sure to use the specified cables for connecting the indoor and outdoor units Please ensure that the connections are tight after the Drain Pipe from left conductors of the wire are inserted into the terminals to prevent the external force is being applied to the connection section of the 5 e terminal base Improper insertion and loose contact may cause over heating and fire 6 F 8 z Please use the specified components for installation work Otherwise the unit may collapse or water leakage electric shock fire or stronger vibration may occur Connection Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults Dimension oF Mounting There are 6 directions allowed Q When installing or transferring an air conditioner to another location make sure that air other than the specified refrigerant R410A Sando inc ouldoor Gai namely backward piping RS does not enter the refrigeration cycle If other air should enter the pressure level of the refrigeration cycle may increase abnormally unit mm ec I Oe ee D which could result in a rupture and injury z nenzontary piping irom rignt i 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 ey en een eee seit from right vertically 5 After completion of installation work check to make sure that there is n
15. s indicates prohibition Be sure that the unit operates in proper condition after installation Explain to customer the proper operation and maintenance of the unit as described in the user s guide Ask a customer to keep this installation manual together with the instruction manual A WARNING When the power is Please request your sales agent or qualified technician to install your unit Water leakage short circuit or fire may occur if you do the SS Setar a installation work yourself power B eae he Please observe the installation stated in the installation manual during the process of installation Improper installation may cause Gable drawaratine water leakage electric shock and fire gt right or left side of 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 the indoor unit collapse and impose danger Cable drawer right side Observe the rules and regulations of the electrical installation and the methods described in the installation manual when dealing with the electrical work Use cables which are approved official in your country Be sure to use the specified circuit A short circuit and Names of Indoor Components telephone This is to avoid noise interference The Length of Indoor Unit Connecting Cord Be sure to completely seal any gap with putty fire may occur due to the use of l
16. shuttle and switch off the vacuum adapter pump e 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 When pumping starts slightly loosen the flare nut to check of air sucked in Then tighten the flare nut Valve The body of service valve AIR REMOVAL Completely unscrew the spindle of the service valve at 2 places in anticlockwise direction to allow the flow of refrigerant using Hexagonal Wrench key Cap of valve Hexagonal head wrench Key Tighten the cap of valve head Check the cap s periphery if there is any gas leakage The task is then completed Cap of valve head Gas leakage inspection Please use gas leakage detector to check if leakage occurs at connection of Flare nut as shown on the right e Install the outdoor unit horizontally and make sure that condensate drains away e In case of using in chilly area Especially in case that there are many snows by very cold in chilly area condensed water freezes on the base and may result not to drain In this case please remove the bush and the drain pipe at the bottom of unit Left and center near discharge portion of air each 1 place It becomes smooth drain Ensure that the distance from the drain hole to the ground is 250 mm or more tighten the connection ema tpeteh tate nF of pipe k
17. ted with the service valve released air is sucked and the DAAI dne ae po h e A fe oi i A id sites pressure level of the refrigeration cycle may increase abnormally which could result in a rupture and injury must be open ait x give a e EE E EE E Ve T i be then wrapped with vinyl tape ly f The insulator will deteriorate if A circuit breaker must be installed in the house distribution box for the direct connected power supply cables to the West UAA a outdoor unit In case of other installations a main switch with a contact gap or more than 3mm has to be installed above 100mm es AY f oei The connection of insulated drain Without a circuit breaker the danger of electric shock exists a noe l Do not install the unit near a location where there is flammable gas The outdoor unit may catch fire E if flammable gas leaks around it KNAS gt X above 400mm A Please use insulated drain hose for Please ensure smooth flow of water when installing the drain hose Improper installing may wet your funiture the indoor piping commercial An IEC approved power cord should be used Power cord type NYM prceuey Installation of Hanger Wall Penetration and Installation of Protection Pipe INSTALLATION AFTER CONNECTION OF REFRIGERATING PIPES e The refrigerating pipe should be adjusted to fit into the hole on the wall and then ready for further connection The terminals of 2 connected pipes must be covered with insulator used for terminal con
18. unit To avoid interference from noise please place the unit and its remote controller at least 1m from the radio and television To avoid any error in signal transmission from the remote controller please put the controller far away from high SAFETY PRECAUTION frequency machines and high power wireless systems Tools Needed For Installation Work Mark is exclusive use tool for R410A O Screwdriver Measuring Tape Knifes Saw e 265mm PowerDrill Hexagonal Wrench Key TO4mm Wrench 14 17 19 22mm Gas leakage Detector PipeCutter Putty Vinyl Tape Pliers Flare Tool Vacuum Pump Adapter Manifold Valve Charge Hose Vacuum Pump Indoor Unit Outdoor Unit HFC RAS 10GH5 RAC 10GH5 RAS 14GH5 RAC 14GH5 a as O cc lt e Read the safety precautions carefully before operating the unit The installation height of the indoor unit must be at least Ms eae Ya a A for i sleet 7 ace tne Uutaoor unit and Its Connecting cora atli as m The contents of this section are vital to ensure safety Please pay special attention to the following sign 2300mm or more from the floor away from the antenna or signal line of television radio or A WARNING Incorrect methods of installation may cause death or serious injury A CAUTION_ Improper installation may result in serious consequence Make sure to connect earth line This sign in the figure
19. y occur and this causes short circuit or faults e The connecting cord should not touch to service valve and pipes It becomes high temperature in heating operation gt W JI M Pa CONNECTION OF POWER CORD RAC 14GH5 RAC 10GH5 All JE 5 Ie PRR LJ Z Screw r Ga he 60 Side cover Side cover RAE MY uug Y wy Green Yellow a i Screw O __ oc cords with screws a v connect the After remove the screw earth cord Terminal cover and terminal cover and put the connecting cords and fix the terminal cover with screw After remove the screw and terminal cover and put the connecting cords and fix the terminal cover with screw Berr Hl connect the AIAH earth cord Nk Ow A Wire clamp for power cord How to remove the front cover How to Attach the Front Cover Check that the drain pan is securely attached Earth Line And Circuit Breaker A CAUITON 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 Remove the front panel Please remove and attach the front panel by both hands After installing the front cover onto the unit hook three claws at upper side of the cover securely Then push the center of t
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