split unit air conditioner installation manual for service personnel only
Contents
1. s hian ie al a aaa ee connecting cord e Please fix in the plastic core r i after flaring to avoid plastic eer l l e The end of the refrigerating pipes are at locations chips n the A e Push up PUSH section on the bottom of indoor marked with Y symbol unit then claws are released from hanger Procedures of Installation and Precautions ee by 2 arrows in the drawing on the ja Pibeseomnand e Procedures to fix the hanger Hight i Fe jae below 1 Drill holes on wall 2 Push plug into the holes 3 Fix the hanger on wall ee ae ee A 5mm As shown below As shown below with 4 1 x 32 screw HORIZONTAL PIPING radius to form an arc As eHow in figure below Ceiling el one Dove SOmM O Change of Drain Hose and Installation Procedures Installation PI i PR P 1 E Screw p k SL AIL_ ftz_ Exchange the location of drain hose and drain cap during horizontal piping as shown in Hang the Indoor unit onto the hanger Use the temporary stand Temporary stand t P pep E oe ea figure below Be sure to plug in the drain hose until the insulating material folds upon itself at the back of the Indoor unit to push its lower part 15cm o i i Projection Ve i I E forwards AA 8mm INDOOR UNIT 4 tal anu e Please use pliers to pull out the drain cap BEX 7 e Place the drain hose through the hole2. direction to allow the Tie boa flow of coolant using Hexagonal Ay 12 7 1 0 2 0mm Wrench key N 2 Pipe Connection Remove the charge hose and S e tighten the cap of valve head Wrench Key Cap of valve head Back cover E Z D oc O O Q D O In case of removing flare nut of an Indoor unit first remove a nut Check the cap s periphery if there CAUTION of small diameter side or a seal cap of big diameter side will fly is any gas leakage The task is Cap of valve head out Prevent water from entering into the piping when working then completed Side cover e Please be careful when bending the copper pipe e Screw in manually while adjusting the center After that use of torque wrench to tighten the connection Gas Leakage Inspection Outer Torque N m ZA Flare nut dia of pipe kgf cm Please use gas leakage detector to check if QO Ot Small dia side 6 35 1 4 13 7 18 6 140 190 leakage occurs at the connection of Flare nut Large dia side 12 7 1 2 44 1 53 9 450 550 as shown on the right w ee Valve Small dia side 6 35 1 4 19 0 21 0 194 214 ii gas Ieakaga occurs turner ohteni the wrench head cap Large dia side 12 7 1 2 24 0 26 0 245 265 connection to stop leakage Valve core cap N CAUTION Please make sure to remove all spacers inside the uni
3. fix it O eee as e Be sure that the hooks of the side cover is fixed in certainly Otherwise mes 25mm WARNING water leakage may occur and this causes short circuit or faults H e The connecting cord should not touch to service valve and pipes It Y Outdoor 10mm becomes high temperature in heating operation Unit za 5 S ME 0 Checking for the electric source and mm a e Investigate the power supply capacity and other electrical conditions at O 35mm the voltage range the installation location e Before installation the power source must be checked and necessary Depending on the model of room air conditioner to be installed request wiring work must be completed To make the wiring capacity proper use the customer to make arrangements for the necessary electrical work A WARNING the wire gauges list below for the lead in from a pole transformer and for etc _ the wiring from a switch board of fuse box to the main switch and outdoor The electrical work includes the wiring work up the outdoor In localities e The naked part of the wire core should be 10 mm and fix it to the terminal tightly Then try to pull the unit in consideration of the locked rotor current where electrical conditions are poor use of a voltage regulation is individual wire to check if the contact is tight Improper insertion may burn the terminal recommended IMPORTANT e Be sure to use only power cables approved from the authorities in your country For example
4. 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 unit facing strong wind direction It may damage the The installation height of indoor unit must be 2 3m or more fan motor Names of Indoor Components f p The Lengi of indoor Unt Figure showing the Installation of Indoor and Connecting Cord i Outdoor Unit CAUTION Improper installation may result in serious consequence ere 1 6m A CAUTION In case the pipe length is more than 8m add refrigerant R22 at 15 gram per every meter exceeds However pipe length shall not exceed 20m SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Indoor Unit Outdoor Unit Tools Needed For Installation Work The clearance distances from top right and left are specified in figure below e Screwdriver Measuring Tape Knife e Saw g80mm Power Drill e Hexagonal Wrench Key fO 4mm Wrench 14 17 19 22 24 27mm e Gas Leakage Detector Pipe Cutter Putty e Vinyl Tape Pliers Flare Tool The location must be convenient for water drainage and pipe connection with the Outdoor unit INDOOR UNIT OUTDOOR UNIT RAS S18C2ZT RAC S18C2ZT 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 Read the safe
5. of using Vacuum Pump for Air Removal pipe available e When removing side cover please pull the handle after undoing the Trimming tool hook by pulling it downward os When the meter reaches 101KPa As shown in right figure remove 76cmHg during pumping fully the cap of valve core Then tighten the shuttle connect the charge hose Remove Meter showing pressure the cap of valve head Connect the vacuum pump adapter to the vacuum pump and connect the charge hose to the adapter Top cover Please face this side suction side of the unit to the wall S Please remove side cover when connecting the piping and connecting cord a e Jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to prevent copper Pull downward chips from entering the pipe Fully tighten the Hi shuttle of the ey vacuum purmnp SO adapter 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 Hate pump ab Slant sag me are nut to check of air sucked in Then vacuum pump tighten the flare nut Side cover e Please use exclusive tool Cabinet Back cover Copper pipe Cabinet AIR REMOVAL Top cover A mm Completely unscrew the spindle of Diameter mm Imperial flaring tool Rigid flaring tool the service valve at 2 places in 6 35 08 1 5mm anti clockwise
6. on the wall aul Ree SGW This is an easier way to remove the drain cap I e Wrap the refrigerating pipes with insulation pipe after connecting refrigerating pipe e Connect the connecting cord after removing electrical cover Hook Wall e Procedures to fix the holder of remote control 1 Drill holes on wall 2 Push plug into the holes Refer to Connection of Power Cord K gt As shown below As shown below e After adjustment the connecting cord and refrigerating pipes auc Wall are placed into the space available under the Indoor unit Remote Use holder to hold them tight Control e The projection of Indoor unit must hook to the hanger Holder Drain cap Drain hose Heat insulation pipe YZ LK By Drain hose Connecting cord Please insert until here Refrigerating pipe Pull this to the front during the connection 04 4mm Protection pipe 20mm Drain hose of refrigerating pipes to ease task 3s rrr Drain cap Please insert Wall Penetration and Installation of Protection Pipe until here e Drill a 80mm hole on wall which is slightly tilted towards the outdoor side seal with a Drill the wall at a small putty ee 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 _ outdoor 2 5mm Seal wi
7. the controller portion of hooks spain oe Ma fetta oe ase oe at the place where the holder is to be fixed The unit will beep ee TIE ey Oe AN Ne eter War when signal is received from the remote controller The signal condensation please cover the outdoor part of the drain hose aaa and pipe with insulation pipe transmission is weaken by the fluorescent light Therefore e Completely seal any gap with putty 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 Sleeve of protection pipe Insulation material for pipe connection N Pny The controller must e After opening the front panel by both hands 2 Hook the front cover at lower portion to the drain pan and be hooked onto the 1 Undo the right arm while pushing it inside then fix them by screws and attach the caps sre A 2 Slide the front panel to right as shown in figure Then Hole 2 i li Remote Controller remove while pulling it to front 3 Attach the front panel ush in the remote Shaft in figure below Holder for 3 Power Source And Operation Test Remote Controller Remove the caps and screws Power Source at the lower portion of the front cover A CAUTION e How to check pipe bending Compare bended pipe with the picture below e Please use a new socket Accident may occur due to If bended pipe is not good enough cut bended area and Pull the front c
8. the proper operation procedures as described in the user s manual there are scratches around bending area crack different length 0O00 006000 sample of bending pipe cannot be used lt IA655 A gt
9. FOR SERVICE PERSONNEL ONLY THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation HITACHI A WARNING A WARNING 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 The unit should be mounted at stable non vibratory location which The Outdoor unit must be mounted at a location which can sup can provide full support to the unit port heavy weight Otherwise noise and vibration will increase A CAUTION A CAUTION No nearby heat source and no obstruction near the air outlet is Do not expose the unit under direct sunshine or rain Besides ventilation allowed 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 To avoid interference from noise please place the unit and its Do not install at a location where there is flammable gas steam oil and remote controller at least 1m from the radio television and inverter smoke type fluorescent lamp The location must be convenient for water drainage Place the Outdoor unit and
10. efrigeration cycle may become abnormally high so that a rupture may be caused 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 Maximum pipe length 20m Minimum pipe length 3m After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks EE T e ie ekp tent into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur aes aS outdoor unit should be es above 200 mm kept max 10m The connecting pipe no matter big or small should all be insulated with insulation pipe and then wrapped with vinyl tape The insulator will deteriorate if it is not wrapped with tape 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 give clearance as wide as possible e A circuit breaker or fuse 20A time delay must be installed Without a circuit breaker or fuse the danger of electric shock a exists x above 700 mm A main switch with a contact gap of more than 3 3 5mm has to be installed in the power supply line to the outdoor unit The connection of insulated dra
11. he rules and regulations of the electrical installation and the methods described in the installation manual when eer a y pa a i Ca dealing with the electrical work Use power cables approved by the authorities of your country pene Se eeh ince es OE VN Be sure to Se aes completely l seal any SAX 200 mm m mia i above 100mm gap with putty y SS above 300 mm must not bend aa Be sure to use the specified wire for connecting the indoor and outdoor units Please ensure that the connections are tight Dimension of Mounting Stand after the conductors of the wire are inserted into the terminals Improper insertion and loose contact may cause over heating Screw for holder of of the Outdoor unit and fire Remote Controller bo S unit mm Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock Sju 3 1x16 mounting stand and fire may occur 57 Be sure to use the specified piping set for R22 Otherwise this may result in broken copper pipes or faults Remote Controller 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 r
12. ilable under the indoor unit Use holder to hold them tight Pipe large must be tied together with Vinyl tape Direct Mounting On The Wall e Please use hidden beams in the wall to hold the hanger Pipe small Pipe dia large dia External dimension of z indoor unit Cable 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 Layout of pipe Insulation pipe must be wrapped with e if vinyl tape at every 120mm e Holder can be attached at the either of 2 places Pipe Rubber strap tied with great force Please select the easier position Drain hose Installation dia e The upper part of the Indoor unit is hanged on the hanger DA e The projection at the lower part of the Indoor unit is hooked onto the hanger Pipe small dia Cable Hanger Hanger D Lift the body OTe Refrigerating of the unit Pipe upwards and then force it downwards A CAUTION Please pull the lower part of the Indoor unit outwards to Drain Hose 1150mm check if the unit is hooked onto the hanger Improper THE CONNECTION OF REFRIGERATING PIPE DURING THE e ia a installation may cause INSTALLATION OF INDOOR UNIT 7 rs Cord Projection vibration and noise i i Preparation To Install Refrigerating Pipes A CAUTION ole tor Screw for Hanger pipe
13. in Germany Cable type NYM 3x1 5mm7 fuse 20A 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 Cable length Wire cross section CAUTION Note IMPORTANT e Outdoor supply cords shall not be lighter than polychloroprene a Capacity sheathed flexible cord with code 20A time delay fuse designation 60245 IEC 57 E Insulation And Maintenance Of Pipe Connection 2 Installation Of Remote Controller How to Remove The Front Cover How to Attach the Front Cover e There is a AC voltage of 220V 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 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 at heat insulator and then tied up with rubber strap fixed on wall or beam e Please remove and attach the the upper portion four places Then check that the drain e Please tie the pipe and power line together with vinyl tape aS e To operate the remote controller at its holder please ensure front panel by both hands Bear eo ily alee Piet ie s1onh Cover tii aie direction of arrow at the shown in the figure showing the installation of Indoor and that the unit can receive signal transmitted from
14. in hose above 200 mm inner diameter 16mm Do not install the unit near a location where there is flammable gas The outdoor unit may Le 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 Hanger Wall Penetration and Installation of Protection Pipe 2 Installation of the Indoor Unit rest diate a eens Nee AFTER CONNECTION A CAUTION DIRECTLY BACKWARD AND DOWNWARD PIPING the 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 Preparation e The terminals of 2 connected pipes must be covered Therefore the hanger must be fixed horizontally or slightly tilted towards the side of Connect connecting cord with insulator used for terminal connection Then the drain hose Otherwise condensed water may overflow the water container e Pull out the pipe connecting cord and drain hose pipes are wrapped with insulation pipe e Arrange a drain hose in lowest part of a wall hole Connecting cords pipe and drain hose 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 ava
15. over upward as far the use of old socket because of poor contact bend it again as the location where the lower e Please plug in and then remove the plug for 2 3 times il th tchi This is to ensure that the plug is completely plugged into a ATGAS ale SMOOR Me MONG alee the socket controller in the Screw 2 pieces direction as shown l Remove the filters Guide e Certainly insert the left shaft of the front panel to the hole of the front cover Next insert the right shaft as same as the left portion of the front cover is on the deflector Lawer padom ot iront sover elleeter 4 Attach the filters which are placed the surface written FRONT up no scratch or mark inside ee E eng Remove while pulling the front e f e After attaching the filters push the front panel at three e Keep additional length for the power cord and do not render the plug under external force as this may cause nian PAA j in fi it ih enay g y gover an drecion 1b ion Gs ion aeal arrow portion as shown in figure and close it e lt i z H o Z TE O Lu lt F U lt lt TE phase of bending is too long shown in figure to hold the both slanting sides of front cover e Do not fix the power cord with U shape nail Operation Test e Please ensure that the air conditioner is in normal operating condition during the operation test e Explain to your customer
16. t e Open the Top Back Side cover and Cabinet of the unit e Pull out the spacers inside Spacers are only for transportation purpose If not remove vibration and noise will occur INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL A WARNING Wiring Of The Indoor Unit e For wire connection of the Indoor unit you need to remove front panel and electrical cover Procedures of Wiring Method to remove front panel In case that power is supplied from Indoor Unit e Refer to FINAL STAGE OF INSTALLATION How to Remove The Front Cover Indoor Unit Outdoor Unit Method to remove electrical cover Line Cord Re oo i e Remove the screw and electrical cover e Insert the connecting cord A B from the bottom of unit e Fixed the wire to terminal wires firmly as shown in figure at right side Connect the earth cord OQ am O Connecting Cord After remove the screw O and band put the j connecting cords and fix aa Connecting Cord the band with screw LLI 30mm Electrical cover 10mm S Indoor Wiring of The Outdoor Unit LL Unit e Please remove the side cover for wire connection ARRE e f you cannot attach the side cover due to the connecting cord press gt AN the connecting cord in direction to the front panel to
17. th putty Be sure that the wire is not in contact with any metal in the wall Please use the protection pipe as wire passing through the hollow part of the wall 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 Lae V Pipe support Openings Be sure that the drain hose is not loosely connected Condensed yin A or bend water pond Bending Condensed upwards water pond A You are free to choose the side left or right for the installation of drain C hose Please ensure the smooth flow of condensed water of the Indoor Protection pipe Sleeve of protection pipe e Turn the piping while holding down the lower bending downward portion of pipe support by hand Pull up the pipe after AUTION unit during installation Carelessness may result in water leakage lt IA655 A gt e Please mount the Outdoor unit on stable ground to prevent vibration 3 7 and inerdase of noise level 3 p a Preparation of Pipe 3 Removal Of Air From The Pipe And Gas Leakage Inspection e Decide the location for piping after sorting out the different types of e Use a pipe cutter to cut the copper pipe l Procedures
18. ty 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 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 Direction of Piping Screw for Hanger i 7 perpendicular 4 1x32 Roran to the unit TS A TILT ELLIE TES 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 above 50mm epee Me AS eee ey Gs eee es se i Comyoler There are 6 directions Please observe the instructions stated in the installation manual during the process of installation Improper installation may nn allowed namely horizontally cause water leakage electric shock and fire s perpendicular to the unit a A A aa ne othe a I a a a a a pe ae Pi vertically down from right 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 horizontally out from right DY units may collapse and impose danger horizontally out to left iG oO AAA Size Battery horieontall be tes fat Ss HYD Observe t
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