RAI-25_35_50NH5A Installation Manual
Contents
1. WALL to prevent a peak and trap 1 Turn power on Remove cover of electric box and 2 Directions set the drain pump test run switch to TEST After checking the drainage return A CAUTION the switch to NORMAL A CAUTION f drain pump test run is right set B to TEST drain pump may pae TEST SW e 600mm or more 4 Directions 3 Directions 3 Directions 2 Directions Downward 1 25 1 100 Since 2 way outlet as shown below causes performance problems do not set it Insulation Thickness No insulation Stagnant 10mm or more P malfunction lt IA370 gt 1 Preparation of Pipe 2 Pipe Connection 3 Removal Of Air From The Pipe And Gas Leakage Inspection e Use a pipe cutter to cut the copper pipe 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 Trimming tool When the meter reaches 101KPa 76cmHg during pumping fully tighten the shuttle Meter showing pressure As shown in figure on the right remove the2. Leakage Inspection Diameter mm The body of service valve For R410A tool For R22 tool Please use gas leakage detector to check if leakage occurs at the connection of Flare nut as shown on the right 6 35 1 4 9 52 3 8 0 0 5 1 0 0 0 5 1 0 valve core Hexagonal Wrench Key Cap of valve head If gas leakage occurs further tighten Cap of valve head the connection to stop leakage Use the detector provided for R410A A CAUTION In case 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 INSTALLATION OF REFRIGERATING PIPES AND AIR REMOVAL 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 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 e Be sure to use only power cables approved from the authorities in your country For example in Germany Cable type NYM 3x1 5mm 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 Procedures of
3. Wiring RAC Adapter e There is a AC voltage of 220 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 Weekly timer Wired remote controller 50 mm j omm GRN YEL Indoor 4 Unit Strip Wires Wiring Of The Indoor Unit 1 Remove the cover of the electric box 2 Connect the connecting cords 3 Assemble the cover of electric box 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 gauge list below for the wiring from a switch board of fuse box to the outdoor unit in consideration of the locked rotor current CN1101 RAC Adaptor cord TaJ H LINK For all optional part please refer catalog for part number m a Oo Oo a Wi O A LL Oo Z O oO Wi Z Z O 13 Connect the earth cord y Insert and fix the connecting o cords with 8 p Oo IMPORTANT Cable length up to 6m up to 15m up to 25m As for connecting to H Link a separately purchased RAC Adapter is required e To install the wiring the electrical box cover must be opened e Connect the connector of RAC adapter to CN1101 e Assemble back the cover of electrical box e Please ref
4. of rain protection pipe as wire water into the room passing through the hollow Fixing hole part of the wall so as to ferpanel S Indoor Outdoor prevent the possibility of damaged by mouse T i Oo a e Empty gap in the sleeve of protection pipe should be the wall Please use the g E Indoor unit Refrigerating pipes with insulation purchased in the field 600mm Opening on ceiling Indoor unit be adhesi Insulation pipe es fo be adhesion oe in y 10mm or more of Insulation at indoor unit Binder encroach 2 4mm PVC adhesive foamed polyethylene A purchased in the field Connecting of drain pipe PVC pipe i 2 5mm Seal with A WARNING Securely glue connection part of drain purchased in the field z insulation pipe NOTE Ale Ble hose and PVC pipe using PVC for drain pipe Be sure to use protection pipe Please using this pattern paper decide the suspension adhesive cess bolt Position by putting this reverse side on ceiling surface commercial product oe sones STATIC PRESSURE SW If gluing of drain hose and PVC pipe i A y s 2 This is used for increasing fan speed is too weak water leakage may occur If connecting cables are touching Drawing of bottom view of ceiling according to the situation of the trial 9 y metal lath inside the wall or inside 803 Operation inside the room with ceiling Be sure to wrap
5. the pipe and power line together with vinyl tape as shown in the figure showing the installation of 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 f room humidity is high cover the connecting pipe with additional 5mm thickness insulator This insulator shall be purchased from field e Completely seal any gap with putty Insulation material for pipe connection Sleeve of protection pipe lt IA370 gt 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 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 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 Holder for Remote Controller Remote Controller CAUTION e Please make sure that the power voltage is 220V 240V within the operation voltage of the unit e Please take under consideration that the power capacity from your house dis
6. Blower cover 3 Installation of indoor unit Comer seal Zi te I i i 97 Drain Set nut and washer on suspension bolt and hook it to suspension clamp by lifting the indoor Narrow pipe 06 35 Bey unit Bieter J E a 0 0 Wide pipe 12 7N 7 Drain outlet Suspension bolt must have play of 20 30 mm on its right and left If cannot have enough O J A Section view BIEL play fix lifting lug to suspension bolt without attaching nut underneath the suspension bolt ee s then attach nut and install indoor unit iiss A A ie e Make sure that indoor unit is kept level using a level ee Panel Optional part RAFECPM f z SELECTION Geilin v 4 y Selecting the switch Air outlet Air inlet Air outlet Suspension bolt M10 Turn power off e Need a connecting work for refrigerant pipe drain pipe and F cable in the ceiling after ee An M10 r Remove cover of the electrical box suspending the indoor unit Arrange drain pipe refrigerant pipe and F cable in their installation Local purchase 3 When selecting discharge direction of 2 directions or 3 directions select position f 7 Washer Local aa cs an the AIR FLOW SELECTION on the main PWB to 3 way ret x ae j E P j JIL gt purchase For finishing of opening on ceiling orange with builder in detail ghee Ky When selecting discharge direction of 4 directions select the AIR FLOW e If ceiling is already completed connecting cables between indoor and ou
7. THE CHOICE OF MOUNTING SITE Please note the following matters and obtain permission from customer before installation A WARNING HI TACHI Carefully read through the procedures of proper installation e he unit should be mounted at stable non vibratory location which can provide full support to the unit before starting installation work 2 The sales agent should inform customers regarding the correct operation of installation gt A CAUTION HITACHI CEILING CASSETTE UNIT AIR S No nearby heat source and no obstruction near the air outlet is allowed he clearance distances from top right and left are specified in figure below CONDITIONER INSTALLATI ON MAN UAL Tools Needed For Installation Work Q he location must be convenient for water drainage and pipe connection with the outdoor unit 2 o avoid interference from noise please place the unit and its remote controller at least 1m from the radio television and inverter type fluorescent lamp RAI 25N H5A O Screwdriver Measuring Tape Knife Saw 0 avoid any error in signal transmission from the remote controller please put the controller far away from high frequency machines and high power wireles
8. ated in the installation manual during the process of installation Improper installation may cause water leakage electric Pantin holder ot Remote sme game shock and fire o Ba1x16 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 collapse and impose danger Insulation pipe for drain pipe Observe the rules and regulations of the electrical installation and the methods described in the installation manual when dealing with the electrical work Use q_ S power cables approved by the authorities of your country S Be sure to Be sure to use specified wire for the connection indoor and outdoor units Please ensure that the connections are tight after the conductors of the wire are Insulation pipe completely inserted into the terminals Improper insertion and loose contact may cause over heating and fire seal any z Please use the specified components for installation work Otherwise the units may collapse or water leakage electric shock and fire may occur gap with S The indoor piping putty S should be insulated Be sure to use the specified piping set for R 410A Otherwise this may result in broken copper pipes or faults Remote Controller 2 S Hone oie ti ihe When installing or removing an air conditioner only specified refrigerant R410A shall be allowed do not allow air or moisture to remain in the refrigeration SS S insulator is insufficient cycle O
9. cap of valve head and valve core and then connect them to the vacuum pump and manifold valve Flare nut Cow Gy A CAUTION AN Wrench Torque wrench e Jagged edge will cause leakage e Point the side to be trimmed downwards during trimming to prevent copper chips from entering the pipe Copper pipe Fully 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 Vacuum pump adapter Outer dia of pipe 6 35 1 4 9 52 3 8 6 35 1 4 9 52 3 8 Torque Nem kgf cm 13 7 18 6 140 190 34 3 44 1 350 450 19 6 24 5 200 250 19 6 24 5 200 250 12 3 15 7 125 160 AIR REMOVAL Before flaring please insert the flare nut into the pipe 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 XN P Small dia side When pumping starts slightly loosen the flare nut to check of air sucked in Then tighten the flare nut Large dia side Valve Small dia side head cap Large dia side Remove the Charge hose and tighten the cap of valve head The task is then completed Copper pipe Valve core cap A mm Gas
10. e Ceiling Ceiling bolt M10 eee akini PWB to HIGH PRESSURE Wrench this will damage heat insulation and causes T TS 610mm Suspension bolt i Torque mae When install the indoor unit below than wrench water condensation g z F Wall Penetration and Installation of Protection Pipe T N 2500 f the fl lect th T A CAUTION mm from the floor selec e Wrapping ABA 580 Indoor unit 610 Suspension bolt Above 300 __ 1 Same level draw in 0O 2mm 2 Stick out above Omm 3 Draw in above 3mm 60 90mm square piece of lumber 150 160mm _ nsert 980 1470N Z a O O a Z Drill a 65mm hole on wall which is slightly tilted towards STATIC PRESSURE SW on the main To be ei ro the outdoor side Drill the wall at a small angle Be sure that the wire is not Marking hole for PWB to NORMAL adhesion Ei a Fenster Pige Rubber strap tied with great force Cut the protection pipe according to the wall thickness in contact with any metal in opening on ceing Genter of p o HOS oQ completely sealed with putty to avoid dripping
11. er to the respective user manual of RAC Adapter for further details e Please be careful not to damage lead wires by edge of plate when connecting the optional parts cords in the band WEEKLY TIMER WIRED REMOTE CONTROLLER and fix with screw r IMPORTANT For all optional part please refer catalog for part number Wire cross section 1 5mm 2 5mm 4 0mm o Ba B0 After remove the screw put the connecting Connection to the electrical box e Remove the cover of electrical box e Connect the connector of Weekly Timer wired remote controller to CN1102 e Assemble back the cover of electrical box e Please refer to the respective user manual of Weekly Timer wired remote controller for further details e Please be careful not to damage lead wires by edge of plate when connecting the optional parts Fuse Capacity 16A time delay fuse 1 Insulation And Maintenance Of Pipe Connection e The connected terminals should be completed sealed with B Installation Of Remote Control e The remote controller can be placed in its holder which is Power Source And Operation Test 4 Installation Of Optional Panel e Carefully read through the procedures of proper installation FINAL STAGE OF INSTALLATION heat insulator and then tied up with rubber strap fixed on wall or beam Power Source before starting installation work e Please tie
12. generally available the wall is hollow where mouse height of 2 5m and above insulator 10mm or more of foamed Protection can bite cables it can cause Selecting the Mounting Position However noise gets slightly higher polyethylene around drain hose pipe electrical shock or fire The installation place is very important for the air conditioner because it is very difficult to inside the house for insulation heat Sleeve of If sealing is not complete high move from one place to another after the first installation e Checking drain and water leakage protection humid air from inside the wall or Decide the mounting position together with the customer Perform after connecting power pipe outside of the room can come in The discharge direction can be selected as shown below e If checking of drainage is omitted Pitcher ea add water and cause water dripping 600mm or more 600mm or more 600mm or more 1000mm or more water drop may occur i Add water to water pan of indoor unit Drain pipe installation as shown below e Use PVC pipe VP20 O D 26mm for drain pipe K F X Perform test running of drain pump to e Be sure to roll an insulation thickness 10mm or more for the drain pipe at indoor side il check drainage operation Always draw the drain pipe downward so that water flows smoothly Fix it ex by hanger Test run method Drain Pipe 5 Seal with putty 600mm Opening on ceiling
13. maximum spacing of 1m between the supports POGRA RAI SONHSA q Drain Pipe 3 WSS ie Must be installed separately Do not install the unit near a location where there is flammable gas The outdoor unit may Item Insulate indoor part of pipe to catch fire if flammable gas leaks around it prevent condensation j Corner Seal Insulator For installation of front panel RAI ECPM please follow exactly the instruction in the manual Please ensure smooth flow of water when installing the drain hose 1 In case drain piping cannot be done smoothly due to obstacles it can also be arranged Blower cover installation 1 pening on ceiling and suspension bolt outside of the main unit as shown in the drawing below Install the blower cover only to the air outlet direction which is not in use l 650 Panel Unit mm 150mm or less Install the blower cover at the diffuser position shown Fix the blower cover certainly ouA Use PVC pipe VP20 i Downward pitch 1 25 1 100 N 600 Opening on ceiling By Ee i p Insulation Thickness 10mm or more Corner seal installation 580 Indoor unit TA 7 400 Suspension bolt 4 Install the corner seal at position shown Fix the corner seal certainly Shall be installed D disregard to 2 directions 3 directions or 4 directions LIZZ E Wy jasc rat 5 2 direction example LE 4 5 E I Fitthe blower cover B oY Tt zo
14. ply refrigerator oil to the union and the flared portion of the pipe C type of mooo me unit is a e Be sure to install the indoor unit level If the indoor unit is Wrap flare insulation bind top and bottom flare insulation by binder Raat H abd same height Or expecte inclined water may leak Ci t metal A E Inciinea y reinforcing onesie NS Long nut height if the ceiling isnew e If space between bottom surfaces of indoor unit and ceiling A CAUTION bar i Suspension bolt M10 Suspension irate Sie s not correct there may be a gap between the panel and When connecting pipes if flare nut is over tightened at the small diameter side the screw Hanger bolt bolt M10 SUES OF me Cang indoor unit with consequence dropping of condensed water thread of the service valve may be broken making pipe connection impossible Be sure to Angle s tighten the nut with specified torque J If constructing the ceiling after installation Selecting the switch of air conditioner be sure to attach a 2 Turn power off Uitiok Flare nut E i a pattern paper for installation that shows Remove cover of the electrical box pers j eerie Q ceiling opening dimension When install the indoor unit 2500mm O C A CAUTION Suspension or more from the floor select the The rubber strap used for fixing the insulator lt lt bolt M10 Suspension Patter paper for Gy Installation plate y STATIC PRESSURE SW on the main should not be tied with great force Otherwis
15. s i tems o 65mm Power Drill Hexagonal Wrench Key 0 4mm SyS i i R H he installation height of indoor unit must be 2 3m or more Indoor Unit RAI 35NH5A Wrench 14 17 19 22 26 27mm Gas Leakage Detector 3 Pipe Cutter Vinyl Tape Pliers Flare Tool RAI SONH5SA Names of Indoor Components Eg T i 7 SAFETY PRECAUTION No Item gS Figure showing the Installation of Indoor Unit Sel amp a m Read the safety precautions carefully before operating the unit Insulation pipe for flare section rt The contents of this section are vital to ensure safety Please pay special attention to the following sign q_ eB Air inlet 4 Ss A WARNING Incorrect methods of installation may cause death or serious injury Binder Ar 4000 mm 4000 mm AT A CAUTION 9 ys or more or more A CAUTION Improper installation may result in serious consequence i aes z 3 N m Holder for R te Controlli i i i i i Be sure that the unit operates in proper condition after installation Explain to customer the proper way of operating the unit as Viner Maes tne The installation height of indoor unit described in the user s guide ga must be 2 3m or more my ithe AAA Size Battery A WARNING auns E E 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 outer 1000 mm ES 00mm ouiet S Please observe the instructions st
16. tdoor piping and K SELECTION on the switch PWB to NORMAL drain piping must be done before fitting indoor unit amp Sua t bottom view of NOTE z J 3 Pattern paper for positioning plate ceiling During 2 directions or 3 directions sound level will increase 2 Preparation for installing indoor unit The space between bottom surfaces of ceiling and indoor unit 4 l a nnecting the pipe Installation of suspension bolts e Be sure to install the indoor units as follow position 1 s z Be sure to reinforce furring of ceiling frame ceiling joints and supporter to maintain Ilevel Do not install the indoor units as follows position 2 3 Connecting the pipe to the indoor unit of ceiling and prevent vibration of ceiling plate Remove the flare nut and seal cap e Suspension bolts should be purchased in the field aq Indoor unit S 9 By loosening the flare nut at the pipe end the refrigerant is discharged in a small amount Refer to diagrams shown below for length of suspension bolts i t The arrangement has been made for shipment and the discharge of refrigerant is never a trouble to the equipment In case of wooden frame In case of steel frame Unit mm When the flare nut is removed never fail to remove the seal cap If not removed the refrigerant 100 Bend slip will not be circulated which result the compressor drive motor will possibly be burnt preventive metal e Be sure that bottom face A CAUTION D Ap
17. therwise pressure in the refrigeration cycle may become abnormally high so that a rupture may be caused iS pierra ea commersial 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 tate paper for positioning 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 amp E The difference in height contact with fire in the fan driven heater space heater etc a poisonous gas may occur 2 2 iS between the indoor and Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician paner paper for installation 2 DN Sear should Be kopt Improper repairs may result in water leakage electric shock and fire etc plate fo E Ea Si The connecting pipe no 24 a matter big or small should all as be insulated with insulation A CAUTION Installation plate fixing screw Z 3 pipe and then wrapped with M5 X 16 3 E vinyl tape The insulator will A circuit breaker or fuse 16A time delay must be installed Without a circuit breaker or fuse the danger of electric shock exists m HAS ea ititisnot wrapped A main switch with a contact gap of more than 3 5mm has to be installed in the power supply line to the outdoor unit Piping shall be suitable supported with a
18. tribution box is high enough for operating your room air conditioner 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 user s manual
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