RAM-53QH5 Installation Manual
Contents
1. 1 32 1 32 2 56 1 72 1 72 3 35 1 8 1 8 5 0 1 09 1 09 3 02 1 42 1 42 3 95 1 8 2 5 2 5 1 38 1 91 1 91 1 80 2 50 2 50 THREE UNITS 1 8 2 5 3 5 1 20 1 67 2 33 1 57 2 18 3 05 1 8 3 5 3 5 1 06 2 07 2 07 1 39 2 70 2 70 2 5 2 5 2 5 1 73 1 73 1 73 2 27 2 27 2 27 2 5 2 5 3 5 1 53 1 53 2 14 2 00 2 00 2 80 ONE UNIT The values indicated are only for one unit operation when two or three indoor units are connected lt IA506 gt2. installation Manual for Cold Areas 4 Preparation of Pipe e Use a pipe cutter to cut the copper pipe 6 Removal Of Air From The Pipe And Gas Leakage Inspection 6 1 Air purging by using vacuum pump a A CAUTION e Jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to Trimming tool Copper prevent copper chips from entering the pipe pipe Remove the valve cap of valve core Air purging by vacuum pump e Before flaring please put on the flare nut l When the meter reaches 101KPa 76cmHg during Connect the charge hoses to the pumping fully tighten the shuttle Outer A mm vacuum pump and the charge port of Die La Diameter Imperial flaring tool Rigid flaring tool the valve core large dia pipe side we showing pressure e bij use exclusive 6 35 1 4 0 0 5mm 1 0mm service valve respectively Closed 9 52 3 8 0 0 5mm 1 0mm 2 Wy Copper pipe ee roan TEA Rat OA Manifold valve Fully open the LO knob of the Stop A A Vacuum pump 5 Pipe Connection manifold valve Stop valve 5 1 Pipe connection Ow r P Tight Il th by hand T Connecting the pipe t
3. 3 44 1 350 450 Po P each large a arge diameter side 12 7 1 2 44 1 53 9 450 550 small dia pipe side service valves 5 Wrench Torque full counterclockwise until they are wrench Small diameter side 6 35 1 4 19 6 24 5 200 250 securely tightened Then retighten i head TEREE 9 52 3 8 19 6 24 5 200 250 them more than 10 degrees using a Valve cap g 12 7 1 2 29 4 34 3 300 350 hexagon wrench key 4mm X tl without fail oe e Valve core cap 12 3 15 7 125 160 Valve cap e Install the unit in a stable place to minimize vibration or noise e After arranging the cords and pipes secure them in place Disconnect the charge hose from the Fig 6 2 service valve Connecting cord should have arranged with piping using tape previously Pipe connection port for Indoor unit No 1 Tighten the valve cap of valve core Torque 12 3 15 7 Nem 125 160 kgf cm Pipe connection port for Indoor unit No 2 Indoor unit No 1 Valve cap _ Stopper i Valve cap of Pipe connection port for Indoor unit No 3 Indoor unit No 2 O Ring valve core Attach the valve cap to the spindles Pipe of each large and small dia pipe Valve core Indoor unit No 3 side service valves Seal cap Flare nut d Pipe Spindle Fig 6 3 Tighten the valve cap of the spindle Torque 19 6 24 5 N m 200 250 The refrigerant channel is opened so kgf cm i that the refrigerant will flow from the outdoor unit into the indoor unit Gas leakag
4. FOR SERVICE PERSONN EL ON LY If you wish to prepare the copper tubes and insulation material in the field we recommend the following HITACHI Material Specification 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 Small dia Deoxidized annealed copper pipe with 6 35mm O D 0 8mm wall thickness 4 0kW or less Conpar be Large dia Deoxidized annealed copper pipe with 9 52mm O D 1 0mm wall thickness Small dia Deoxidized annealed copper pipe with 6 35mm O D 0 8mm wall thickness SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Large dia Deoxidized annealed copper pipe with 12 7mm O D 1 0mm wall thickness Small dia Flare nuts with 6 35mm O D Tools Needed For Installation Work Mark is exclusive use tool for R410A 4 0kW or less e Screwdriver e Measuring Tape Knife Saw 65mm Power Drill e Hexagonal Wrench Key TO 4mm Wrench 14 17 22 26mm Gas Leakage Detector Pipe Cutter Putty Vinyl Tape e Pliers Flare Tool Vacuum Pump Adapter Manifold Valve Charge Hose Vacuum Pump Large dia Flare nuts with 9 52mm O D Flare nut Small dia Flare nuts with 6 35mm O D Large dia Flare nuts with 12 7mm O D Outdoor Unit RAM 53QH5 R4104 Foamed polyethylene insulation pipe which does not corrode
5. before installation For Indoor unit No 1 For Indoor unit No 2 For Indoor unit No 3 A WA R N l N G Outdoor Unit l Power cord Fig 3 1 The Outdoor unit must be mounted at a location which can support heavy weight Otherwise noise and vibration will increase A CAUTION 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 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 N Do not expose the unit under direct sunshine or rain Besides ventilation must be good and clear of obstruction The air blown out of the unit should not point directly to animals or plants The clearances of the unit from top left right and front are specified in figure below At least 3 of the above sides must be open 16A time delay air e Please refer to the installation manual for wire connection to the terminals of the units The cabling must meet the standards of electrical Be sure that the hot air blown out of the unit and noise do not disturb the neighbourhood installation p l Do not install at a location where there is flammable gas steam oil and ei e There is a AC voltage of drop between the L and N terminals Therefore before servicing be sure to switch off the
6. cified wire for connecting the indoor and outdoor units Please ensure that the connections are tight Eor after the conductors of the wire are inserted into the terminals Improper insertion and loose contact may cause over heating 2 In the electrical installation a separator with a contact gap of more than 3 2 Connection of the connecting cords and power cord and fire 3mm has to be installed During cleaning or service the set has to be 1 Cut off the connecting cord the power cord and strip the Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock switched off with this separator insulation of the wire as shown in Fig 3 2 l and fire may occur 3 Installati d d noti 2 Connect the connecting cord and power cord to the terminal i Installation procequre and notice board Fig 3 3 ifi ipi i hi It i k i faults i i i i et Be sure to use the specified piping set for R 410A Otherwise this may result in broken copper pipes or faults Especially the selection of installation place need great care for the BF ihe connacung cordssand powercerd wih Steel band When installing or removing an air conditioner only specified refrigerant R410A shall be allowed do not allow air or moisture split type air conditioner because it is very difficult to move from place certainly Fig 3 3 to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may beco
7. crew for groun earth screw Serew for ground earth strew 60mm Green and yellow ground A circuit breaker must be installed in the house distribution box for the direct connected power supply wire to the outdoor unit Larned ah Laat LE lrerminat oara BH Lomm m In case of other installations a main switch with a contact gap or more than 3 5mm has to be installed Without a Miras 2 esp FeaT E circuit breaker the danger of electric shock exists l aaa it ate oh T tomm 85mm Connecting cord Do not install the unit near a location where there is flammable gas The outdoor unit may catch fire if flammable cy arm all Green and Yellow go fellow gas leaks around it Eh i For Indoor Unit No 2 C2 D2 and Be sure to tighten the flare nut to the specified torque using a torque wrench If the flare nut is tightened excessively it may ele eS E SE ee i a es C Indoor Unit No 3 C3 D3 J crack as time elapses cause refrigerant leakage il i ln booed FF N 1 l tein oe wt C1 D1 i s C2 D2 H C3 D3 PAIR h Please ensure smooth flow of water when installing the drain hose l Terminal boari JF Terminal Wa Terminal board l l LIN a eee An IEC approved power cord should be used Power cord type NYM eh ad hs fet es J Fig 3 2 Screw for ground earth screw Screw for ground earth screw Screw for ground earth screw Green and Yellow g THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer
8. e inspection Please use gas leakage detector to check if leakage occurs at connection of flare nut as shown on the right If gas leakage occurs further tighten the connection to stop leakage Use the detector provided for R410A 7 Operation test e Please ensure that the air conditioner is in normal operating condition during the operation test COOL HEAT CAPACITY SPEC FOR INDOOR UNITS COMBINATIONS e Explain to your customer the proper operation procedures as described in the users manual Reference value e f the indoor unit does not operate check to see that the connections are correct COOLING HEATING OUTDOOR UNIT POWER AMPERE CONSUMPTION A 220 240V OUTDOOR UNIT POWER AMPERE CAPACITY RATING CONSUMPTION A kW RANGE W 220 240V W POSSIBLE COMBINATIONS TO OPERATE A CAUTION e Trial run should be conducted on one unit at a time to check for incorrect wiring of connecting cord CAPACITY RATING kW RANGE ONE UNIT 1 80 1 80 2 50 2 50 1 76 2 44 2 60 3 60 1 70 3 30 2 31 4 49 1 38 3 82 1 80 5 00 2 50 2 50 3 40 3 40 TWO UNITS 2 17 3 03 2 83 3 97 2 60 2 60 3 40 3 40 1 73 3 47 2 27 4 53 6 9 6 3 2 80 4 00 1790 8 2 7 5 2 14 3 06 1 8 1 8 1 8 1 73 1 73 1 73 2 27 2 27 2 27 1 8 1 8 2 5 1 53 1 53 2 13 2 01 2 01 2 79 1 8 1 8 3 5
9. l f g 5 ee s gt ay Optional flare adaptor for BASE ET 5 optional OS So piping s Earth wire and grounding rod are not supplied Please use optional items below necessary _ S La ANUSH 5 o g6 35 1 4 DRAIN PIPE BUSH x or Gs ____ One unit of 1 8kW 2 5kW 3 5kW or pe ON PIPE e Investigate the power supply capacity and other electrical conditions at the installation location D z 09 52 3 8 5 0kW Depending on the model of room air conditioner to be installed request the customer to make arrangements for the necessary electrical 6 8 a8 o 5kW unit Optional flare adaptor for When Using and Installing In Cold Areas work etc piping is necessary When the air conditioner is used in low temperature and in The electrical work includes the wiring work up the outlet In localities where electrical conditions are poor use of a voltage regulation is e To the outdoor unit up to three indoor units can be connected until SnO Congilons KATET TONTIN west exclandet Nay Meaza UN the total value of each units s capacity reaches 9 kW ga ine see sutlate cause r bere ee eae me IMPORTANT f air conditioner in such areas do not install the bushings Keep p pipe la ports of the outdoor unit and connectable indoor a minimum of 250mm between the drain hole and the ground Fuse Capacity UniS Are SNOWN DEIOW When using the drain pipe consult your sales agent 16A time delay fuse lt IA506 gt X For more details refer to the
10. main switch e The location must be convenient for water drainage ae Place the Outdoor unit and its connecting cord at least 1m away from the antenna or signal line of television radio or telephone Wiring of The Outdoor Unit This is to avoid noise interference e Please remove the side cover for wire connection Names of Outdoor Components Figure showing the Installation of Outdoor Unit e Eya ae attach the side cover due to the connecting cord press the connecting cord in direction to the front panel z FES A e Be sure that the hooks of the side cover is fixed in certainly Otherwise water leakage may occur and this causes short Height difference Piping length circuit or faults Indoor unit 1 Indoor unit 2 Indoor unit 3 WARNING e The connecting cord should not touch to service valve and pipes It becomes high temperature in heating operation Height difference between indoor units should be not more than 5m gt 3 3 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 wiring capacity proper 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 main switch Indoor unit 3 Drain Pipe Indoor unit 2 L1 Outdoor unit noori and outdoor unit in consideration of the locked roto
11. me abnormally high so that a rupture to place after the first installation may be caused 3 1 Wiring Be sure to ventilate fully if a refrigerant gas leak while at work If the refrigerant gas comes into contact with fire a poisonous 1 Connect the electrical wiring between the Indoor and Outdoor unit gas may occur as shown in Fig 3 1 Never connect the wiring by mistake After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks area wrong bart Ti unit does not operate properly a 30mm Gieenand yoliow Ground N into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 2 The Sannen carl EL be fixed by the band which is located 10mm P Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner near the terminal board am EE ini ioj i A i 10mm technician or electrician eper repairs may result in pari leakage electric one and fire etc Procedures of Wiring a 55mm Power cord ard Be sure to connect the earth wire from the power supply wire to the outdoor unit and between the outdoor and indoor Wiring Pattern connecting cord unit Improper earthing may cause electric shock Detail of cutting power cord and Indoor Unit For Indoor Unit No 1 C1 D1 J Indoor unit No 1 Indoor unit No 2 Indoor unit No 3 A CAUTIO N Screw for groun earth serew S
12. n for piping after sorting out the different types of SS BAe ss After remove the screw 5 ipe available i SN and cover put the i There are holes on the base of Outdoor unit for condensed N j Flare adaptor for pipin 2 NY the cover with screw A CAUTION je P piping water to exhaust Si e Make sure to connect to The flare adaptor for piping is required e In order to flow condensed water to the drain the unit is BS A CAUTION two or three indoor units depending on combination of indoor installed on a stand or a block so that the unit is 100mm YY units above the ground as shown figure Join the drain pipe to Arrange power cord so they do 99 52 3 8 gt 12 7 1 2 one hole not touch service valve osain Parts number TA261D 4 001 e At first insert one portion of the hook to the base Portion Hi 00g NA taf Ne B Bowe NUE Is A then pull the drain pipe in the direction shown by the Fig 3 3 a VS 7 Earth line Ig ae One unit of 1 8kW 2 5kW or arrow while inserting the hook into the base After installation A CAUTION s 52 3 8 gt 3 5kW in pi i i E s 99 52 3 8 check whether the drain pipe cling to the base firmly Type of grounding rod Length Note l 3 e Outdoor supply cords shall not be lighter than fon 06 35 1 4 One unit of 1 8kW 2 5kW a w SP EB 2 900mm polychloroprene sheathed flexible cord with 5 B 35kW or 5 0kW B Gronndngtad code designation 60245 IEC 57 p kW I f
13. o outdoor unit SREE ee ese ay Vacuum pump adapter ee Run the vacuum pump Do not tighten all at once but tighten it while A 1 Remove the flare nut and seal cap from the service valve fitina the flared surface to the bibs XX 2 Apply refrigerator oil to the service valve and the flared portion g pipe gM ES Vacuum for more When pumping starts of the pipe D than 10 min slightly loosen the flare Be sure the stop valve 3 Using a wrench security tighten Close the LO knob of the manifold nut to check of air is always fully opened sucked in Then tighten vave the flare nut e In case of removing flare nut of a indoor unit first remove a nut of small diameter side or seal cap of large diameter side will fly out Free from water into the piping when working Fig 6 1 CAUTION e During connection keep away from water e Be sure to tighten the flare nut to the specified torque using a torque wrench If the flare nut is tightened Stop the vacuum pump excessively it may crack as time elapses causing refrigerant leakage 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 Remove the valve cap from the spindle of the service valve Valve cap Outer diameter of pipe Torque N m kgf gt cm HG ga Flare nut Small diameter side 6 35 1 4 13 7 18 6 140 190 Valve cap of valve core HER wo ee PARLE 9 52 3 8 34
14. r current Outdoor unit Within 10 m IM PORTANT L1 L2 L3 Maximum 45m Cable length Wire cross section However L1 L2 Maximum 35m A Minimum piping length for each indoor unit is 5m up to 6m romm Maximum piping length for one indoor unit is 25m up to 15m 2 5mm X In case the pipe length is more than 35m add up to 25m 4 0mm above 200mm en A refrigerant R410A at 20 gram per every meter exceeds 5 _ e T EOE EAA ET A unit mm give clearance as When removing side cover pull the handle ina connecting cords to make them mounting stand ea wide as possible after releasing the hook by pulling it fit between the convex sections 0 downward Connect the X Face this side suction side of earth cord T above 00mm the unit to the wall above 200mm AC220V 240V ONLY A AN Remove side cover L Neeme Outdoor unit installation ah ae g ab bg ry e Mount the Outdoor unit on stable ground to prevent vibration and H increase of noise level TS downward e Decide the locatio
15. rcuit 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 3 You d better not put the unit at a place where is full of dirt and at a place where is wet in the rain cause water leakage electric shock and fire 4 Place as near as possible to the indoor unit 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 5 Install the unit in a stable place to minimize vibration or noise units may collapse and impose danger 6 After arranging the cords and pipes secure them in place Observe the rules and regulations of the electrical installation and the methods described in the installation manual when A WARNING This appliance must be earthed dealing with the electrical work Use power cables approved by the authorities of your country Power is supplied through outdoor unit do not connect power source to indoor unit Be sure to use the spe
16. the copper tube Insulation for refrigerating pipe Large dia pipe side 15mm I D 8mm wall thickness Small dia pipe side 8mm I D 7mm wall thickness SAFETY PRECAUTION e Read the safety precautions carefully before operating the unit e The contents of this section are vital to ensure safety Please pay special attention to the following sign 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 wire O This sign in the figures indicates prohibition 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 Connecting cord Refer to item 3 3 Vinyl tape Sealer Putty Refrigerator oil Bushing for refrigerating pipes 1 Proper place for installation A WARNING 1 1 Outdoor unit 1 Keep the space around the unit for maintenance and avoiding the effects of hindrance for normal ventilation of the unit 2 The northern or eastern side of the building is better to install At the installation on the southern or western side unavoidably some blind should be set up for the unit In this case the blind must not obstruct the ventilation of the unit Please request your sales agent or qualified technician to install your unit Water leakage short ci
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