INSTALLATION MANUAL
Contents
1. 2 Remove four screws 3 The thumb is hung on the lower part as shown in the figure and it pulls to the front pushing mark and bottom hooks two position is removed from wall hook bracket 4 The front panel bottom is pulled to the front and bottom hooks is removed indoor unit 5 The front panel is pulled to the front raising the upper surface and a front panel is Push Bush removed bimark Tapping screw unit Z N WARNING small holder Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that j l OUTDOOR UNIT 5 cm or over the units will not topple or fall 60 cm or over CAUTION Front panel Wall hook bracket THE FRONT PANEL INSTALLATION 1 Firstly fit the lower part of the front panel and insert top and bottom hooks Three top sides six bottom sides 2 Four screws is attached S AAAA Top holes two sides Top hole center Top hook center w i ille i Bottom hooks i Ssss 3 The intake grille is attached OO Front 1 Do not install where there is the danger of com 10 cm or over A em six position ront pane bustible gas leakage S 5 SSS SSS L125 cm or 2 Do not install near heat sources 60 cm or over SSSSSSSS Jover ISS 3 If children under 102. Fig 17 and in Fig 1 When the piping is connected in Explain the following to the customer in accord 1 INDOOR UNIT g direction or cut along the piping groove in the side of the ance with the operating manual l 1 Is operation of each button on the remote control unit normal Short the two metal front cover with a hacksaw 1 Starting and stopping method operation 2 Does each lamp light normally comae under the batieny switching temperature adjustment timer air flow switching and other remote control unit operations 2 Air filter removal and cleaning and how to use the air louvers 3 Give the operating and installation manuals 3 Do the air flow direction louver operate normally 4 Is the drain normal 2 OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation y 2 Will noise wind or drain water from the unit disturb the neighbors 7 3 Is there any gas leakage Z comoartmert lid When connecting the piping in direction cut a notch in the thin wall at the front bottom of the front cover Fig 1 to the customer Fia 3 N CAUTION Ig 50 cm Left The rated voltage of this product is 230 V AC 50 Hz The power source capacity must be the sum of the air conditioner current and the current outlet Before turning on the power check if the voltage is within the 220 V 10 to of other electrical appliances When the current contracted ca
3. Check if L is flared uniformly If the wall pipe is not used the cord interconnecting 1 A E E to the necessary d is not cracked or scratched Table2 Flare nut tightening torque the indoor and outdoor units may touch metal and cause electric leakage 2 Hold the pipe downward so that cuttings Tightening torque Ug p n eaa a Tapping screw will not enter the pipe and remove the using a 20 cm wrench bracket 3 Insert the flare nut onto the pipe and flare 160 to 180 kgf cm the pipe with a flaring tool l 49 0 to 53 9 Nem Insert the flare nut always use the flare nut Table 3 Pipe outside diameter Install the wall hook bracket horizontally and attached to the indoor and outdoor units 2 respectively onto the pipe and perform the perpendicularly flare processing with a flare tool Use the special R410A flare tool or the conv entional for R22 flare tool When using the conventional flare tool always FORMING THE DRAIN HOSE AND PIPE use an allowance adjustment gauge and secure the A dimension shown in table 3 Rear piping Right piping Bottom piping Fig 6 Pipe outside diameter Flash tool for pa Oe cluteny yee Install the indoor unit piping in the direction of the wall hole and bind the drain hose and pipe t
4. front hooks then insert the rear hook 2 Tighten the two mounting screws fh TT Tapping screw s OUTDOOR UNIT WIRING 1 Remove the outdoor unit connector cover 2 Remove the control box cover B 3 Bend the end of the cord as shown in the figure ALLL m LT HEEL TELL HTT Mi Mh Ml 4 Connect the end of the connection cord fully into the terminal block 5 Fasten the sheath with a cord clamp 6 Install the control box cover B es anccier cover 7 Install the connector cover Cooling amp Heating Ey TY TAAL Uff H ffl fly Rear hook Jj jjj Jjjj fl i M Always use the screws as shown above SN Earth screw Do not select the top and bottom screws incorrectly AIR PURGE Always use a vacuum pump to purge the air Refrigerant for purging the air is not charged in the 1 Refrigerant must not be discharged into outdoor unit at the factory atmosphere Close the high pressure side valve of the gauge manifold fully and do 2 After connecting the piping check the joints for not operate it during the following work gas leakage with gas leak detector 1 Check if the piping connections are secure 2 Check that the stems of 2 way valve and 3 way valve are closed fully 3 Connect the gauge manifold charge hose to the charging port Cord clamp Sheath Earth screw Indoor unit Outdoor unit terminal block terminal block Earth sc
5. SPLIT TYPE ROOM AIR CONDITIONER For authorized service personnel only INS ALLAI ION MANUAL AS WARNING 1 For the room air conditioner to operate satisfactory install it as outlined in this installation manual 2 Connect the indoor unit and outdoor unit with the air conditioner piping and cords available standards parts This PART NO 93 1 23 6503 6 01 installation manual describes the correct connections using the standard accessories and the parts specified in this installation manual 3 Have installation work done by authorized service personnel only 4 Never cut the power cord lengthen or shorten the cord or change the plug 5 Also do not use an extension cord This air conditioner uses new refrigerant HFC R410A The basic installation work procedures are the same as conventional refrigerant R22 models However pay careful attention to the following points 1 Since the working pressure is 1 6 times higher than that of conventional refrigerant R22 models some of the piping and installation and service tools are special See the table below Especially when replacing a conventional refrigerant R22 model with a new refrigerant R410A model always replace the conventional piping and flare nuts with the R410A piping and flare nuts Models that use refrigerant R410A have a different charging port thread diameter to prevent erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehan
6. and receptacle Do not extend the power cord e If the existing materials are used the pressure inside the refrigerant cycle will rise and cause breakage injury etc Use the special R410A materials 2 When installing and relocating the air conditioner do not mix gases other than the specified refrigerant R410A to enter the refrigerant cycle e If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause breakage injury etc SELECTING THE MOUNTING INSTALLATION DIAGRAM OF FINISHING Fig 14 PO uni pipe eat insulation Seat A 1 Insulate between pipes POS ITIO N INDOOR AND OUTDOOR UNITS For rear right and bottom piping butt the connection piping insulation material against the indoor unit piping and fasten it with seal A and vinyl tape so there is no gap T For left and left rear piping butt the connection pipe heat insulation and indoor unit Connection pipe yape n AAEE eae F A i f utt connection pipe ea Decide the mounting position with the customer as follows pipe heat insulation together and bind them with and viny tape so that there Is no gap gente insulation Sarai indoor For left and left rear piping wrap the area which accommodates the rear piping housing aaa 1 INDOOR UNIT section with cloth tape i lt TR unit pipe heat insulation id l and wrap with seal A so that i a Fi
7. annceorcord compound pressure gauge reads 0 1 MPa 76 cmHg 1 bar S Charge hose E Z 5 Charging port fon Connector cord Charging port cap Vacuum pump 8 Atthe end of pump down close the low pressure side gauge of the gauge manifold fully and stop the vacuum pump 9 Slowly loosen the valve stem of the 3 way valve When the compound pressure gauge reading reaches 0 1 0 2 MPa retighten the valve stem and disconnect the charge hose CAUTION 1 Match the terminal block numbers and connection 3 Always fasten the outside covering of the connec cord colors with those of the indoor unit tion cord with the cord clamp If the insulator is i ooe S from the 3 way valve charging port If the stem of the 3 way valve is opened fully before the charge hose is disconnected it may be difficult to disconnect the charge hose Erroneous wiring may cause burning of the electric chafed electric leakage may occur Blank cap 2 way valve 19 6 to 24 5 Nem 200 to 250 kgf cm parts 4 Securely earth the power cord plug Connect the connection cords firmly to the terminal 5 Do not use the earth screw for an external connector Charging port cap 12 3 to 15 7 Nem 125 to 160 kgfecm block Imperfect installation may cause a fire Only use for interconnection between two units
8. d The charging port thread diameter for R410A is 1 2 threads per inch Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant R22 models Also when storing the piping securely seal the opening by pinching taping etc STANDARD ACCESSORIES 4 When charging the refrigerant take into account the slight change in the composition of the i gt gt a The following installation accessories are supplied One set of following parts are necessary in istallation of this product noo liquid phases and always charge from the liquid phase side whose composition is eena eded Special tools for R410A d at Tool name Contents of change Pressure is high and cannot be measured with a conventional gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed Ti It is recommended the gauge with seals 0 1 to 5 3 MPa 1 to 53 bar for high pressure 0 1 to 3 8 MPa 1 to 38 bar for low pressure Remol Gloitdee Charge hose To increase pressure resistance the hose material and base size were changed control Drain hose A conventional vacuum pump can be used by installing a vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A 6 Plug in the power cord plug firmly If the receptacle is loose repair it before using the room air conditioner 7 Do not turn on the power until all installation work is complete B
9. e careful not to scratch the air conditioner when handling it After installation explain correct operation to the customer using the operating manual Let the customer keep this installation manual because it is used when the air conditioner is serviced or moved The maximum length of the piping is 15 m The maximum height difference of the piping is 8 m if the units are further apart than these correct operation can not be guaranteed Gauge manifold unit Tapping screws Copper pipes It is necessary to use seamless copper pipes and it is desirable Table 1 Thicknesses of Annealed Copper Pipes that the amount of residual oil is less than 40 mg 10m Do not Thickneess mm use copper pipes having a collapsed deformed or discolored Cona Oeae portion especially on the interior surface Otherwise the expansion value or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table1 Never us copper pipes thinner than 0 8mm even when it is available on the market Remote control unit holder Z N WARNING 1 Do not use the existing for R22 piping and flare nuts ELECTRICAL REQUIREMENT Tapping screw big Always make the air conditioner power supply a special branch circuit and provide a special switch
10. g 2 For left and left rear piping bind the connection cord to the top of the pipe with vinyl Spe Wrap with there is no gap 1 Install the indoor unit level on a strong wall which is not subject to tape cloth tape vibration For left and left rear piping bundle the piping and drain hose together by wrapping Drdin hose Cloth tape 2 The inlet and outlet ports should not be obstructed the air should Hee with cloth tape over the range within which they fit into the rear piping housing Left piping PEE E E E A E section be able to blow all over the Asati l a INDOOR UNIT Wall hook 2 Temporarily fasten the connection cord along the connection pipe with vinyl tape Wrap poe nee Wall pipe Connection cord 3 Install the unit near an electric outlet or special branch circuit bracket to about 1 3 the width of the tape from the bottom of the pipe so that water does not OX l 4 Do not install the unit where it will be exposed to direct sunlight enter l al 5 Install the unit where connection to the outdoor unit is easy 5 cm or over 3 Fasten the connection pipe to the outside wall with saddles etc j ci 4 Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain Drain hose 6 Il th h hed b lled 6 Install t e unit Ww ere t e rain pipe can be easily installed Bem orover water and nd cannot Dow ii Pipe Drain hose 7 Take servicing etc into consideration and leave the spaces shown ar 5 Fasten
11. han 35 mm from the wall a Ponnee ton pipe 1 Cut a65 mm diameter hole in the wall at the position shown in Fig Fig 4 Cent k i i me aes oe 6 35 mm dia 4 EE PAN After passing the indoor piping and drain hose through the wall hole hang the indoor unit on the hooks at the top and bottom of the wall hook bracket 2 When cutting the wall hole at the inside of the installation frame cut the hole within the range of the left and right center marks 40 mm below the installation frame Bend R70 with Align the marks a pipe bender L Lower When cutting the wall hole at the outside of the installation frame Pi Installing the indoor unit Connection pipe cut the hole at least 10 mm below over Hang the indoor unit from the hooks at the top of the wall hook bracket 2mm dia 3 Cut the hole so that the outside end is lower 5 to 10 mm than the Insert the spacer etc between the indoor unit and the wall hook Top hooks inside end m ae fel 9 to 10 10 mm bracket and separate the bottom of the indoor unit from the wall 4 Always align the center of the wall hole If misaligned water leakage ne ee mm low or over will occur l 5 Cut the wall pipe to match the wall thickness stick it into the wall cap fied mate 65 mm dia hole fasten the cap with vinyl tape and stick the pipe through the hole a iura Indoor unit The connection pipe is supplied in the installation set Fig 4 6 For left piping a
12. in cap and drain hose projection at the end until it butts against the drain port a A Connect the connection cords firmly to the terminal 5 Do not use the earth screw for an external connector Only use for interconnection between two units pliers etc block Imperfect installation may cause a fire a ADDITIONAL CHARGE OUTDOOR UNIT INSTALLATION Refrigerant suitable for a piping length of 7 5 m is charged in the outdoor unit at the factory 1 When adding refrigerant add the refrigerant from Setthe unit on a strong stand such as one made of concrete blocks A WARNING When the piping is longer than 7 5 m additional charging is necessary the charging port at the completion of work to minimize shock and vibration Install the unit where it will not be tilted by more For the additional amount see the table below 2 The maximum length of the piping is 15 m If the Do not set the unit directly on the ground because it will cause trou than 5 units are further apart than this correct operation ble Table 5 can not be guaranteed When installing the outdoor unit where it may ex posed to strong wind fasten it securely Connector cover removal Remove the two mounting screws Pipe length 7 5m 10 m 15 m Additional Between 7 5 m and 15 m when using a connection pipe other than that Installing the connector cover in the table charge additional refrigerant with 20g 1 m as the criteria 1 After inserting the three
13. nd right piping cut the hole a little lower so that drain Wall pipe water will flow freely Fig 4 Wall cap Wall hook Inside Wall Outside Spacer bracket Indoor unit Fitting Bottom hooks INSTALLING THE WALL HOOK BRACKET Wall hook bracket After hooking the indoor unit to the top hook hook the fittings of the indoor unit to the two bottom hooks while lowering the unit and 1 Install the wall hook bracket so that it is correctly positioned horizon Fig 5 a neues tally and vertically If the wall hook bracket is tiled water will drip to the floor CONNECTING THE PIPING 2 Install the wall hook bracket so that it is strong enough to withstand Fig 8 Tighten with two wrenches the weight of an adult Wall hook bracket Center notch CONNECTION Fad Fasten the wall hook bracket to the wall with 6 or more screws through 1 Install the outdoor unit wall cap supplied with the optional installation set or procured at the site to the wall pipe 2 Connect the outdoor unit and indoor unit piping 3 After matching the center of the flare surface and tightening the nut hand tight tighten the nut to the specified tightening torque with a torque wrench the holes near the outer edge of the bracket Check that there is no rattle at the wall hook bracket Torque Table 2 Ss f To prevent gas leakage coat the flare WARNING FLARING Indoor unit pipe Connection pipe surface with refrigerator oil z a i
14. ogether with vinyl tape Fig 6 1 Remove the cord clamp 3 Connect the end of the connection cord fully into the terminal block Install the piping so that the drain hose is at the bottom 2 Bend the end of the connection cord as shown in the figure 4 Fasten the connection cord with a cord clamp Wrap the pipes of the indoor unit that are visible from the outside besa aa with decorative tape Fig 9 Heating Cooling Cord clamp eT T Bind with vinyl tape For Left rear piping Left piping Saa ee os Interchange the drain cap and the drain hose Pipe tion indoor unit Rear piping Cord clamp CAUTION There is a Botton Indoor unit drain hose terminal block After removing the drain hose do not forget to install piping bottom inside f k Square hole the drain cap Screw Screw Insert the tab into the square hole of the Connection cord Connection cord Connection cord indoor unit and fasten with a screw For left outlet piping cut off the piping Indoor unit outlet cutting groove A CAUTION o drain hose ma RER 1 Match the terminal block numbers and connection 3 Always fasten the outside covering of the connec Drain cap T cord colors with those of the outdoor unit tion cord with the cord clamp If the insulator is ORNE e E aia Erroneous wiring may cause burning of the elec chafed electric leakage may occur drain hose Drain cap cap by pulling at the tric parts 4 Securely earth the power cord plug Insert the dra
15. pacity is insufficient change 240 V 10 range the contracted capacity E esl bb season catenin and install aap eclal receptacle to SUppiy When the voltage is low and the air conditioner is difficult to start contact the power LO company the voltage raised O Use a circuit breaker and receptacle matched to the capacity of the air outlet Left Do not extend the power cord NOTE These equipment shall be connected to a suitable mains network with a main rear Be Bottom outlet pene Perform wiring work in accordance with standards so that the air condi impedance less than the following 0 4240 outlet tioner can be operated safely and positively The product is intended for use only in premises having a service current capacity gt 100A Install a leakage circuit breaker in accordance with the related laws and regu per phase supplied from a distribution network having a nominal voltage of 230 V and lations and electric company standards instruct the user to determine in consulation with the supply authority if necessary that the service current capacity at the interface point is sufficient for the equipment Installation instruction for the indoor unit amp outdoor unit is on the back IN DOOR U N IT For left piping and left rear piping align the marks on the wall hook CUTTING THE HOLE IN THE WALL FOR THE CONNECTING PIPING a a ea Bend the connection piping at the bend radius of 70 mm or more and a install no more t
16. rew Indoor unit Outdoor unit Earth screw terminal block terminal block Earth screw 10 Fully open the valve stems of the 2 way valve and 3 way valve using a hexagon wrench After the valve stem begins to turn turn it with a torque of less than 2 9 Nem 30 kgf cm until it stops turning 11 Firmly tighten the 2 way valve and 3 way valve blank cap and the charging port cap Fig 11 Control box Run the connection cord to the rear of the outdoor unit within the of the 3 way valve side with the projection for pushing in the valve core 4 Open the low pressure side valve of the gauge manifold fully Connection cord wiring range of the arrows shown in the figure l Control box cover The connector cover becomes difficult to install Gauge manifold 5 Operate the vacuum pump and start pump down Compound pressure gauge Pressure gauge 2 way valve es AO 3 way valve y 76 cmHg E Fig 13 6 Slowly loosen the flare nut of the 3 way valve and check if air SS Fiare nut 1 bar E ANN ag enters then retighten the flare nut High Control box cover When the flare nut is loosened the operating sound of the SS Low pressure prasaure vacuum pump changes and the reading of the compound SS side valve side valve Cord clamp pressure gauge goes from minus to zero SSS ieiosed SS RA Valve stem Charge E 7 Pump down the system for at least 15 minutes then check if the S Blank cap hose C
17. the drain hose to the outside wall etc Check the following BAD BAD BAD in Fig 2 Also install the unit where the filter can be removed tt gt 9 cm or over Gutsideawalteas or I I l b Sealer putty GOOD eine 2 OUTDOOR UNIT Saad 1 If possible do not install the unit where it will be exposed to direct Outdoors coe T Ra ema sunlight If necessary install a blind that does not interfere with SV ee 2 ge cl the unit where a strong wind blows or where it is ver A D FRONT PANEL REMOVAL AND INSTALLATION dusty g LSS i THE INTAKE GRILLE REMOVAL Fia 16 ve 1 Open the intake grille Ig intake calle 3 Do not install the unit where people pass isdem orovei M by Pall dawnithe knob NS gri 4 Take you neighbors into consideration so that they are not disturbed CIN DUET Wall cap 3 Lift the intake grille upward until the axle at the top of the intake grille is removed l a by air blowing into their windows or by noise ea grille yy _ r no 5 Provide the space shown in Fig 2 so that the air flow is not blocked THE INTAKE GRILLE INSTALLATION Mounting shaft Aa Also for efficient operation leave open three of the four directions S gt 1 The fixing axle of the intake grille is installed on the Panel Bearing front rear and both sides P 2 Ray cowin MieInake Gris Font panel Aa i THE FRONT PANEL REMOVAL Screws Front panel aii 7 b 1 Remove intake grille Reference the intake grille removal e position
18. years old may approach the A ue AE SSSSS888 Zk i Top hook unit take preventive measures so that they can SaS EV EOE eee iole Front panel Indoor unit ia two sides not reach the unit 4 Install the indoor unit on the wall where the height from the floors more than 230 cm six position lt o gt A CAUTION Install the front panel and intake grille securely V UL Ul N TEST RUNNING Perform test operation and check items 1 and 2 below For the test operation method refer to the operating manual The outdoor unit may not operate depending on the room temperature In this case press the test run button on the remote control unit while the air conditioner is running use a melallic object to short the two metal contacts under the battery compartment lid and send the TEST RUN signal from the remote control unit To end test operation press the remote control unit START STOP button When the air conditioner is run by pressing the test run button the OPERATION indicator lamp and TIMER indicator lamp will simultaneously flash slowly If installation is imperfect the front panel or intake grille may fall off and cause injury Be sure that the top hole of the front panel is hooked securely to the hook of the base Reverse cycle only Indoor unit piping direction The piping can be connected in the five directions indicated by CUSTOMER GUIDANCE
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