INSTALLATION MANUAL
Contents
1. ALYY them with cloth tape over the range within which they fit into the rear piping housing ipi 76 cmHg E 7 On Left piping For connection from the left rear ne Flare nut 1b or l i 6 Slowly loosen the flare nut of the 3 way valve and check if air an we High 2 Temporarily fasten the connection cord along the connection pipe with vinyl tape Wrap Connection cord Wall pipe Connection cord enters then retighten the flare nut to about 1 3 the width of the tape from the bottom of the pipe so that water does not When the flare nut is loosened the operating sound of the Oe Risen Shona enter OEEO vacuum pump changes and the reading of the compound side valve side valve 3 Fasten the connection pipe to the outside wall with saddles etc a pressure gauge goes from minus to zero closed 4 Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain Drain hose i water and wind cannot blow in Pipe Drain hose 4 Valve stem Charge 5 Fasten the drain hose to the outside wall etc Check the following BAD BAD BAD 7 Pump down the system for at least 15 minutes then check if the on alsa hose Outside wall cap ai l l compound pressure gauge reads 0 1 MPa 76 cmHg 1 bar an hanes Hoce _ Sealer putty GOOD cones L gt z Saddl Charging port fone er l Charging port cap uote Lifted up Wave End in water 8 Atthe end of pump down close the low pressure side gauge of the gauge manifold fully and st2. 5 i unit at the factory 1 When adding refrigerant add the refrigerant from 1 Is operation of each button on the remote control unit normal When the piping is longer than 15 m additional charging is necessary the charging port at the completion of work 2 Does each lamp light normally For the additional amount see the table below 2 The maximum length of the piping is 20 m If 3 Do the air oe louver operate normally Table 5 the units are further apart than this correct 4 Is the drain normal operation can not be guaranteed 2 OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation Between 15 m and 20 m when using a connection pipe other than L Additional refrigerant 100 g that in the table charge additional refrigerant with 20g 1 m as the 2 Will noise wind or drain water from the unit disturb the neighbors E ainaca criteria 3 Is there any gas leakage P N 9315140029 01
3. HTVINNNNNNNVIVI TVIIIIIII THI nee Also for efficient operation leave open three of the four directions holder front rear and both sides w iidoorunit Remote Tapping Bottom hole Front panel Indoor unit Top ngos N WARNING small amp Install at a place that can withstand the weight of the i iti Conform to Type245 IEC57 cee ZX CAUTION PUMP DOWN OPERATION FORCED COOLING OPERATION the units will not topple or fall OUTDOOR UNIT 10cmorover NJ Install the front panel and To avoid discharging refrigerant into the atmosphere at the time of relocation or disposal recover p refrigerant by doing the cooling operation or forced cooling operation according to the following 60 cm or over INTAKE GRILLE securely If in procedure When the cooling operation cannot start in winter and so on start the forced cooling CAUTION lt S stallation is imperfect the a ae 1 Do not install where there is the danger of com ne AE front panel or INTAKE GRILLE 2o the air purging of the charge hose by connecting the charging hose of gauge manifold to the charging bustible gas leakage TOcmorover RESSSS may fall off and cause injury 2 Close the valve stem of 2 way valve completely 7 SSS Wa 3 Start the cooling operation or following forced cooling operation 2 Do not install near heat sources SSS 30 cm or When using the remote control unit SSS S over S LOTT nananana LEE fi if M M Jil U J
4. The connector cover becomes difficult to install Fig 14 iii HT Jj TLL jjj ZY Connector cover 10cm 5cm AIR PURGE Connector cord Always use a vacuum pump to purge the air Z CAUTION 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 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 Erroneous wiring may cause burning of the electric chafed electric leakage may occur 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 block Imperfect installation may cause a fire Only use for interconnection between two units 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 FINISHING 2 Check that the stems of 2 way valve and 3 way valve are
5. position shown in Fig Fig 5 Conr nak After passing the indoor piping and drain hose through the wall hole 5 hang the indoor unit on the hooks at the top and bottom of the wall Bend R70 with Align the marks 2 When cutting the wall hole at the inside of the installation frame cut hook bracket ae a pipe bender the hole within the range of the left and right center marks 40 mm below the installation frame i k Connection pipe Installing the indoor unit 12 7 mm dia Top hooks Lower Lower When cutting the wall hole at the outside of the installation frame Hang the indoor unit from the hooks at the top of the wall hook bracket cut the hole at least 10 mm below over Insert the spacer etc between the indoor unit and the wall hook gt 3 Cut the hole so that the outside end is lower 5 to 10 mm than the bracket and separate the bottom of the indoor unit from the wall inside end 5to 10 46 Fak ie SS Indoor unit Wall hook 4 Always align the center of the wall hole If misaligned water leakage eo MM Gaol mm low or over Indoor unit sere will CeUE Fitting Bottom hooks ae Poe Spacer ai 5 Cut the wall pipe to match the wall thickness stick it into the wall cap Fasten with 65 mm dia hole p After hooking the indoor unit to the top hook hook the fittings of the fasten the cap with vinyl tape and stick the pipe through the hole
6. the screw is inside be sure to use screwdriver treated with magnet leslie Connect the connection cords firmly to the terminal 5 Do not use the earth screw for an external connector block Imperfect installation may cause a fire Only use for interconnection between two units OUTDOOR UNIT OUTDOOR UNIT WIRING OUTDOOR UNIT INSTALLATION T cnow incase 3 Connect the end of the connection cord fully into the terminal block 4 Fasten the sheath with a cord clamp 5 Install the connector cover Fig 13 Set the unit on a strong stand such as one made of concrete blocks Fig 11 to minimize shock and vibration Do not set the unit directly on the ground because it will cause trou ble Connector cover removal Remove the tapping screws Installing the connector cover 1 After inserting the two front hooks then insert the rear hook 2 Tighten the tapping screws WARNING Install the unit where it will not be tilted by more than 5 When installing the outdoor unit where it may ex posed to strong wind fasten it securely Earth screw io Control box Cord clamp Tapping screw Connector cord Cord clamp Sheath Front hooks Connection cord wiring Earth screw Earth screw an Indoor unit terminal block Outdoor unit terminal block Rear hooks Run the connection cord to the rear of the outdoor unit within the range of the arrows shown in the figure Connection cord
7. vany tpe Wu hook bruce Maaar Unit TO ME WO Bot ol NOOK WANE lowering te untang o ee d pushing it against the wall The connection pipe is supplied in the installation set Fig 5 6 For left piping and right piping cut the hole a little lower so that drain Wall pi Y f pipe water will flow freely Fig 5 Wall cap CONNECTING THE PIPING l i Inside Wall Outside Fig 9 Tighten with two wrenches CONNECTION Center notch Wall hook bracket 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 Table 2 1 Install the wall hook bracket so that it is correctly positioned horizon Fig 6 tally and vertically If the wall hook bracket is tiled water will drip to the floor 2 Install the wall hook bracket so that it is strong enough to withstand the weight of an adult Fasten the wall hook bracket to the wall with 6 or more screws through the holes near the outer edge of the bracket Check that there is no rattle at the wall hook bracket G 1 Install the outdoor unit wall cap supplied with the optional installation set amp Wrench fixed INSTALLING THE WALL HOOK BRACKET or procured at the site to the wall pipe i i To prevent gas leakage coat the flare Indoor unit pipe Connection pipe surface with refrigerator oil Table 2 Flare nut tighte
8. CUSTOMER GUIDANCE than 10 seconds 4 Install the indoor unit on the wall where the height 4 Close the valve stem of 3 way valve when the reading on the compound pressure gage becomes 0 05 0 from the floors more than 230 cm gt Explain the following to the Mpa 0 5 0 kg cm2 e Do not directly install it on LE customer in accordance with the op 5 m il MINN MA II JJ i Jj 3 If children under 10 years old may approach the 30 cm or over 2 OUTDOOR UNIT P l and a front panel is removed Wall hook bracket 1 If possible do not install the unit where it will be exposed to direct o OO KX sunlight If necessary install a blind that does not interfere with o J SS o THE FRONT PANEL INSTALLATION the air flow Ny U Hj y 1 Firstly fit the lower part of the front panel and insert top and 2 Do not install the unit where a strong wind blows or where it is very 450 cick over z bottom hooks Three top sides six bottom sides dusty 2 Four screws is attached Top holes two sides 3 Do not install the unit where people pass eee OT OVE Wall cap 3 The intake grille is attached eens aTa Top hook center 4 Take you neighbors into consideration so that they are not disturbed RS asa amc Top hole center Front panel i by alr blowing into their windows or by noise Remote iN l N 2 5 Provide the space shown in Fig 2 so that the air flow is not blocked control unit
9. SPLIT TYPE ROOM AIR CONDITIONER For authorized service personnel only l j 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 51 40029 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 This air conditioner uses new refrigerant HFC R410A 5 Also do not use an extension cord 6 Plug in the power cord plug firmly If the receptacle is loose repair it before using the room air conditioner The basic installation work procedures are the same as conventional refrigerant R22 models However pay careful attention to the following points 7 Do not turn on the power until all installation work is complete 1 Since the working pressure is 1 6 times higher than that of conventional refrigerant R22 models Be careful not to scratch the air conditioner when handling it some of the piping and installation and service tools are special See the table below After installation explain correct operation to the customer using the operating manual Especially when replacing a conventional refrigerant R22 model w
10. closed fully gt 3 Connect the gauge manifold charge hose to the charging port of the 3 way valve side with the projection for pushing in the valve core Fi 16 Indoor unit pipe heat insulation Seal A 1 Insulate between pipes g For rear right and bottom piping overlap the connection pipe heat insulation and 11 Firmly tighten the 2 way valve and 3 way valve blank cap and indoor unit pipe heat insulation and bind them with vinyl tape so that there is no gap vinit ha charain it For left and left rear piping butt the connection pipe heat insulation and indoor unit Connection pipe dii B ine h Sener Port sap pipe heat insulation together and bind them with and vinyl tape so that there is no gap heat insulation UE gonnecnon pipe neat gt oe a f insulation against the indoor For left and left rear piping wrap the area which accommodates the rear piping housing Pine KAT OA ine P E 4 Open the low pressure side valve of the gauge manifold fully section with cloth tape 4 SE a ae Ge ee ha ro Fig 12 Gauge manifold For left and left rear piping bind the connection cord to the top of the pipe with vinyl Wrap with there is no gap T Compound pressure gauge pressure gauge tape E E cloth tape perate the vacuum pump and start pump down 0 1 MPa D For left and left rear piping bundle the piping and drain hose together by wrapping Dr in hose Cloth tape 3 way valve 2 way valve
11. he 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 Drain pipe DD 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 p FRONT PANEL REMOVAL AND INSTALLATION POSITION INDOOR AND OUTDOOR UNITS PF INTAKE GRILLE REMOVAL Fig 4 2 Pull down the knob Intake grille Ne i i l TO ekea Decide the mounting position with the customer as follows 3 Lift the intake grille upward until the axle at the top of the in ANE mounting nae SS ntake grille 1 INDOOR UNIT Fi 2 take grille is removed a B l a ig earing 1 Install the indoor unit level on a strong wall which is not subject to THE INTAKE GRILLE INSTALLATION Front panel Yi Knog DEION 1 The fixing axle of the intake grille is installed on the Panel 2 The inlet and outlet ports should not be obstructed the air should INDOOR UNIT ta kay down the intake grile be able to blow all over the room THE FRONT PANEL REMOVAL 3 Install the unit near an electric outlet or special branch circuit Wall hook bracket 1 Remove intake grille Reference the intake grille removal Screws 4 Do not install
12. ij V uii N P A Hf Stop the operation the ground otherwise it SS erating manual e Press the START STOP button of the remote control unit to stop the operation will cause failure 5 cm or over 1 Starting and stopping method e Press the MANUAL AUTO button when stopping the operation from indoor unit side operation switching temperat It is not necessary to press on keeping for more than 10 seconds Indoor unit piping direction The piping can be connected in the five directions indicated by Sea Seat MOH N CAUTION and in Fig 1 When the piping is connected in 2 Air filter removal and cleaning During the pump down operation make sure that the compressor is turned off before you remove the refrigerant direction or cut along the piping groove in the side of the V ahd howto use theair louvers piping front cover with a hacksaw 3 Gi f di li i Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This a aa 3 Give the operating and installat may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury When connecting the piping in direction cut a notch in the thin 4 ion manuals to the customer WN Outdoor unit bottom POWER wall at the front bottom of the front cover P O Fig 1 O DDD WARNING Drain hose 1 The rated voltage of this product is 230 V AC 50 Hz Do not e
13. ith a new refrigerant R410A Let the customer keep this installation manual because it is used when the air conditioner is serviced or moved model always replace the conventional piping and flare nuts with the R410A piping and flare nuts The maximum length of the piping is 20 m The maximum height difference of the piping is 10 m Models that use refrigerant R410A have a different charging port thread diameter to prevent if the units are further apart than these correct operation can not be guaranteed erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehand 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 4 When charging the refrigerant take into account the slight change in the composition of the STANDARD ACCESSORIES gas and liquid phases and always charge from the liquid phase side whose composition is stable The following installation accessories are supplied One set of following parts are necessary in istallation of this product Use them as required Name and Shape Name and Shape Wall hook bracket Cloth tape Special tools for R410A E Contents of change t Pressure Is high and cannot be measured with a conventional gauge To prevent erroneous e a mixing of other
14. ncline insertion drain hose Draincap the cap with pliers etc Gord cans will cause water leakage Removal method of drain Installation method of There is a el e When inserting be sure not to attach any material hose drain hose ene zlnek RNAS ee t inside i besides water If any other material is attached it Remove the screw atthe leftof Vertically insert the drain hose FUY r eal drain hose and pull out drain toward the inside so that the A REF quare MONS will cause deterioration and water leakage o j drain aa bie can Screw e After removing drain hose be sure not to forget accurately align with the screw Screw hole around the drain cock mounting drain cap After inserting and before replacing please reinstall and Insert the tab into the square hole of the Connection cord indoor unit and fasten with a screw Be sure to fix the drain hose with tape to the bottom fix the removed screws CAUTION of piping Drain fixture blue Screw 1 Match the terminal block numbers and connection 3 Always fasten the outside covering of the connec sa a cord colors with those of the outdoor unit tion cord with the cord clamp If the insulator is Screw hole Ol Pe j SN Erroneous wiring may cause burning of the elec chafed electric leakage may occur Drain fixture Drain hose tric parts 4 Securely earth the power cord plug blue Be sure to install around the drain hose connector As
15. ning torque FLARING Check if L is flared uniformly Tightening torque U a E 1 Cut the connection pipe to the necessary and is not cracked or scratched g 6 35 mm dia eee Wrist strength 160 to 180 kgf cm 2 Hold the pipe downward so that cuttings i e pip g piade 49 0 to 53 9 Nem PE will not enter the pipe and remove the 500 to 550 kgf cm burrs Table 3 Pipe outside diameter 3 Insert the flare nut onto the pipe and flare length with a pipe cutter WARNING If the wall pipe is not used the cord interconnecting Install the wall hook bracket horizontally and the pipe with a flaring tool Pipe outside C ti R22 fl tool the indoor and outdoor units may touch metal and perpendicularly SE oa ce too for a a i ic leak Insert the flare nut always use the flare nut dl dai Luten type MIN nut type cause electric leakage 5555 mm CA attached to the indoor and outdoor units FORMING THE DRAIN HOSE AND PIPE respectively onto the pipe and perform the 12 7 mm 1 2 flare processing with a flare tool CAUTION u u u Fia 7 Use the special R410A flare tool or the conv Rear piping Right piping Bottom piping Ig onal for R22 fl 1 Fasten a flare nut with a torque wrench as instructed in this manual If a eee entional for flare tool fastened too tight the flare nut may be broken after a long period of time Install the indoor unit
16. op 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 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 Vacuum pump TEST RUNNING Table 4 Perform test operation and check items 1 and 2 below For the test operation method refer to the operating manual a Tightening torque 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 Blank cap 2 way valve 19 6 to 24 5 Nem 200 to 250 kgfecm the air conditioner is running Point the transmitter section of the remote control unit toward the air conditioner and press the test run button Blank cap 3 way valve _ 27 4 to 31 4 Nem 280 to 20 kgfrem _ Saale gestae panic Blank cap 3 way valve 27 4 to 31 4 Nem 280 to 320 kgf cm To end test operation press the remote control unit START STOP button Charging port cap 12 3 to 15 7 Nem 125 to 160 kgf cm When the air conditioner is run by pressing the test run button the OPERATION indicator lamp and TIMER indicator lamp will simultaneously flash slowly Additional charge 7 CAUTION 5 ema RliNIT Refrigerant suitable for a piping length of 15 m is charged in the outdoor
17. piping in the direction of the wall hole and bind When using the conventional flare tool always and cause a leakage of refrigerant the drain hose and pipe together with vinyl tape Fig 7 use an allowance adjustment gauge and secure 2 During installation make sure that the refrigerant pipe is attached firmly Install the piping so that the drain hose is at the bottom Right piping i Te ieee ceed eas before you run the compressor Do not operate the compressor under the Wrap the pipes of the indoor unit that are visible from the outside condition of refrigerant piping not attached properly with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury Pipe top with decorative tape aro For Left rear piping Left piping Bottom naoor MAN Grain nose Interchange the drain cap and the drain hose piping Aan INDOOR UNIT WIRING For left outlet piping cut off the 1 Remove the cord clamp 3 Connect the end of the connection cord fully into the terminal block ppg eet CUE groove 2 Bend the end of the connection cord as shown in the figure 4 Fasten the connection cord with a cord clamp with a hacksaw N CAUTION Fig 10 Cord clamp g l Remove the drain cap by pulling Right bottom of e In order to align the drain hose and drain cap be Indoor unit ra eeno donka is esa ab sure to insert securely and vertically
18. refrigerants the diameter of each port has been changed It is recommended the gauge with seals 0 1 to 5 3 MPa 1 to 53 bar for high pressure Gauge manifold Tapping screw big 0 1 to 3 8 MPa 1 to 38 bar for low pressure hei Charge hose To increase pressure resistance the hose material and base size were changed unit A conventional vacuum pump can be used by installing a vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A Sealant 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 Thickness mm Battery ELECTRICAL REQUIREMENT use copper pipes having a collapsed deformed or discolored onna a Always make the air conditioner power supply a special branch circuit portion especially on the interior surface Otherwise the ex ameter a and provide a special switch and receptacle Do not extend the power cord inas E a Wie l a As an air conditioner using R410A incurs pressure higher than ei 0 80 when using R22 it is necessary to choose adequate materials Remote control Thicknesses of copper pipes used with R410A are as shown in Table1 Never us copper pipes thinner than 0 8mm even unit holder when it is available on the market WARNING 1 Do not use the existing for R22 piping and flare nuts e If the existing materials are used t
19. the unit where it will be exposed to direct sunlight E CArOLOVE 2 Remove four screws 4 position 5 Install the unit where connection to the outdoor unit is easy 3 The thumb is hung on the lower part as shown in the figure E _ and it pulls to the front pushing mark and bottom hooks two position is removed from wall hook bracket 6 Install the unit where the drain pipe can be easily installed 6 cm or over 7 Take servicing etc into consideration and leave the spaces shown en ee in Fig 2 Also install the unit where the filter can be removed oe e 9 cm or over 4 The front panel bottom is pulled to the front and bottom hooks 5 The front panel is pulled to the front raising the upper surface mark Push Front painel Be sure that the top hole of the Press the TEST RUN button after starting the cooling operation by the remote control unit front panel is hooked securely to The operation indicator lamp and timer indicator lamp will begin to flash simultaneously during test run unit take preventive measures so that they can the hook of the base When using the MANUAL AUTO button of the indoor unit The remote control unit is lost and so on Keep on pressing the MANUAL AUTO button of the indoor unit for more than 10 seconds The forced cooling operation cannot start if the MANUAL AUTO button is not kept on pressing for more not reach the unit
20. xtend the power cord 2 Before turning on the power check if the voltage is within the 6 Perform wiring work in accordance with standards so that the ure adjustment timer air flow e 220 V 10 to 240 V 10 range air conditioner can be operated safely and positively Sash Fig 3 3 Always use a special branch circuit and install a special receptacle 7 Install a leakage circuit breaker in accordance with the related to supply power to the room air conditioner laws and regulations and electric company standards 4 Use a circuit breaker and receptacle matched to the capacity of c the air conditioner e Rear outlet A outlet Left rear c2 APORTA UNA outlet N CAUTION 1 The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances When the current contracted capacity is insufficient change the contracted capacity 2 When the voltage is low and the air conditioner is difficult to start contact the power company the voltage raised installation instruction on the back IN DOOR U NIT For left piping and left rear piping align the marks on the wall hook bracket and shape the connection pipe CUTTING THE HOLE IN THE WALL FOR THE CONNECTING PIPING Bend the connection piping at the bend radius of 70 mm or more and in 3 a install no more than 35 mm from the wall 1 Cut a 65 mm diameter hole in the wall at the
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