INSTALLATION MANUAL
Contents
1. SPLIT TYPE ROOM AIR CONDITIONER For authorized service personnel only i i 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 a 937853301 1 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 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 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 with 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 Models that use refrigerant R410A have a different2. Right side of End of drain hose xX No upward pipe bracket is immersed in slope water 50 mm or less Niom ground eee Drainage oo Fig 4 channel Fig 5 Fig 6 NOTE ON DRAIN HOSE The drain hose can be connected at either side of Fig 7 the indoor unit The unit has been shipped with the drain hose connected at left viewed from the back of the unit and the drain cap applied at right 1 Remove the both side panels 2 Remove the screw and remove the drain holder from drain pan 3 Pull out the drain cap 4 Connect the drain hose to the right attach the screw and insert the drain cap to the left Se ie u a a a a py es ee oe lt DRAIN CAP CAUTION Drain pan 1 In order to align the drain hose and drain cap be DRAIN HOSE sure to insert securely and vertically Incline insertion ww will cause water leakage 2 When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage 3 After removing drain hose be sure not to forget mounting drain cap Be sure to fix the drain hose with tape to the bottom of piping Installation method of Drain cap Use a hexagonal wrench 4mm at op posite side to insert the drain cap till the drain cap contacts the tip of drain cook DRAIN CAP DRAIN HOSE ee i Drain cock Hexagon Drain cap wrench DRAIN CAP 7 Drain holder CONNECTING THE PIPI
3. Fasten with If the wall pipe is not used the cord interconnecting the indoor and outdoor units may touch metal and cause electric leakage vinyl tape OG a Wall cap Wall pipe Inside Wall Outside FORMING PIPE 1 Pass the refrigerant pipe through the piping hole to indoor side 2 Arrange the pipes according to the direction of piping FOR RIGHT or LEFT Bottom PIPING FOR LEFT PIPING FOR RIGHT PIPING Fig 6 Left piping Rear piping Back wall EE iz 280 245 5 7 7 Center of ni Di m Right piping ee LLL LL LLL LL LLL LLL LLL LLL i I SSG 30 130 INDOOR UNIT INSTALATION Use the included and fasten the indoor unit at 4 locations 5 gt each at top and the middle of the unit When the unit is set to the wall use the wall hook brackt and hook the top of the indoor unit on the Fig 7 indoor unit wall hook bracket WARNING Installation of indoor unit e Fix the indoor unit with 4 screws surely lf improperly installed might cause to injury due to the toppling or falling Install the indoor unit at the place that has adequate strength Install the indoor unit so that the installed unit can withstand the weight of adult body weight If improperly installed might cause accidental injury due to the toppling or falling INSTALLING THE WALL HOOK BRACKET 1 Install the wall hook bracket so that it is correctly positioned horizontally and vertically If the wall hook bracket
4. entional for R22 flare tool When using the conventional flare tool always use an allowance adjustment gauge and secure Die the A dimension shown in table 3 Fig 10 Indoor unit pipe 2 During installation make sure that the refrigerant pipe is attached firmly before you run the compressor Do not operate the compressor under the 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 Connection pipe To prevent gas leakage coat the flare surface with refrigerator oil Tighten with two wrenches Wrench fixed 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 Point the transmitter section of the remote control unit toward the air conditioner and press the test run button with the tip of a ball point pen etc 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 1 INDOOR UNIT 1 Is operation of each button on the remote control unit normal 2 Does
5. is tiled Hook the indoor unit to the wall hook bracket 2 positions Fig 8 nee yp water will drip to the floor Se 2 Install the wall hook bracket so that it is strong enough to sevelng withstand the weight of an adult mernou Fasten the wall hook bracket to the wall with 5 or more screws N through the holes near the outer edge of the bracket Check that there is no rattle at the wall hook bracket weight CAUTION Install the wall hook bracket horizontally and perpendicularly INDOOR UNIT WIRING 1 Remove the terminal cover 2 Remove the cord clamp 3 Bend the end of the connection cord as shown in the figure Fig 11 4 Connect the end of the connection cord fully into the terminal block 5 Fasten the connection cord with a cord clamp Outdoor unit terminal block H H t 1 Or Hes 3 Indoor unit terminal block N Earth screw Terminal cover Cord clamp Z N CAUTION 1 Before starting work check that power is not being supplied to all poles of the indoor unit and outdoor unit 2 Match the terminal block numbers and connection cord colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts 3 Connect the connection cords firmly to the terminal block Imperfect instal lation may cause a fire 4 Always fasten the outside covering of the connection
6. 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 N CAUTION When installing pipes shorter than 3m sound of the outdoor unit will be transferred to the indoor unit which will cause large operating sound or some abnormal sound 2 When the voltage is low and the air conditioner is difficult to start contact the power company the voltage raised SELECTING THE MOUNTING INSTALLATION DIAGRAM OF SIDE PANEL L R REMOVAL AND INSTALLATION POSITION INDOOR UNIT e z 2 Remove the rope Decide the mounting position with the customer as follows Fig 1 3 Lay down the intake grille until the axle at the bottom of the LT 1 Install the indoor unit level on a strong wall which is not subject to INDOOR UNIT intake grille is removed a p Maranon THE INTAKE GRILLE INSTALLATION Intake grille iva ROPE 2 The inlet and outlet ports should not be obstructed the air should t 10cm Graver 1 The fixing axle of the intake grille is installed on the Panel Z be able to blow all over the room a e 2 Lift the intake grille upward 3 Install the unit near an electric outlet or special branch circuit O maray SIDE PANEL L THE SIDE PANEL L R REMOVAL 4 Do not install the unit where it will be exposed to direct sunlight 5 Install the unit where connection to the outdoor unit is easy 1 Remove i
7. 5 Stop the operation e Press the START STOP button of the remote control unit to stop the operation e Press the MANUAL AUTO button when stopping the operation from indoor unit side It is not necessary to press on keeping for more than 10 seconds N CAUTION During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor Is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury P N 9378533011
8. CAUTION 3 If children under 10 years old may approach the Indoor unit piping direction Install the SIDE PANEL L R unit take preventive measures so that they can The piping can be connected in the six directions indicated by and INTAKE GRILLE securely BASE not roach the unit and in Fig 2 When the piping is connected in If installation is imperfect the oe 2 cut along the piping groove in the side of the SIDE PANEL L R or INTAKE 2 ee GRILLE may fall off and cause When connecting the piping in direction cut a notch in the thin Sa y wall at the front bottom of the base injury SIDE PANEL R CUSTOMER GUIDANCE Fig 2 Explain the following to the customer in accordance with the operat ing manual 1 Starting and stopping method operation 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 When embedding the indoor unit in a wall restrict the movement of the horizontal vane for the upper air outlet so that it only operates horizontally 3 Give the operating and installation manuals to the customer If this setting is not performed heat will build up in the wall and the room will not be cooled or warmed properly Please explain the vane setting of direction only horizontally to the customer Right Left outlet outlet HOW TO SETTING VANE Perform the FUNCTION SETTING according to the installati
9. NG CONNECTION 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 1 Cut the connection pipe to the necessary Check if L is flared uniformly Table 3 Pipe outside diameter length with a pipe cutter ___ and is not cracked or scratched 2 Hold the pipe downward so that cuttings will not enter the pipe and remove the burrs 3 Insert the flare nut onto the pipe and flare the pipe with a flaring tool Pipe outside damarar Flare tool for Conventional R22 flare tool R410A clutch type Clutch type Wing nut type 6 35 mm 1 4 1 0 to 1 5 1 5 to 2 0 9 52 mm 3 8 1 0 to 1 5 1 5 to 2 0 9 12 7 mm 1 2 1 0 to 1 5 1 5 to 2 0 CAUTION 1 Fasten a flare nut with a torque wrench as instructed in this manual If fastened too tight the flare nut may be broken after a long period of time and cause a leakage of refrigerant Table 2 Flare nut size and tightening torque Diameter mm x Torque N m 6 35 mm dia 17x 14 18 Insert the flare nut always use the flare nut L attached to the indoor and outdoor units respectively onto the pipe and perform the flare processing with a flare tool Use the special R410A flare tool or the conv
10. charging port thread diameter to prevent STANDARD ACCESSORIES erroneous charging with conventional refrigerant R22 and for safety Therefore check The following installation accessories are supplied One set of following parts are necessary in installation of this beforehand The charging port thread diameter for R410A is 1 2 threads per inch i a product Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant Name and Shape Name and Shape Name Connection pipe assembly S R22 models Also when storing the piping securely seal the opening by pinching taping etc Wall hook bracket Cloth tape Connection pipe assembly 4 When charging the refrigerant take into account the slight change in the composition of the 4 Also do not use an extension cord 5 Do not turn on the power until all installation work is complete gas and liquid phases and always charge from the liquid phase side whose composition is stable Special tools for R410A Contents of change Pressure Is high and cannot be measured with a conventional gauge To prevent erroneous oe aaa mixing of other 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 0 1 to 3 8 MPa 1 to 38 bar for low pressure Charge hose To increase pressure resistance the hose material and base size were changed A conventional vacuum pump can be used b
11. cord with the cord clamp If the insulator is chafed electric leakage may occur 5 Securely earth the connection cord 6 Do not use the earth screw for an external connector Only use for inter connection between two units WARNING Place the terminal cover surely after connecting the connection cable with the terminal of the indoor unit If not placed the terminal cover might cause smoke emission or fire Cord clamp Connection cord Al CONNECTION STATEMENT OF WIRE TREATMENT OF WIRE OK NG NG Wire tube OK NG Wire tube Wire tube FINISHING 1 Insulate between pipes Overlap the connection pipe heat insulation and indoor unit pipe heat insulation Wrapping the connection pipe with cloth tape over the range within which they fit into the rear piping housing section Fasten the pipe bracket with the screw Fig 12 2 Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain water and wind cannot blow in Fig 13 Left piping For connection from the left rear Connection cord Wall pipe Connection cord Connection pipe 3 Fasten the drain hose to the outside wall etc Drain hose Fig 12 O Drain hose X Stopping No upward F e IRM 4 downward slope rain water j ae d Cable p Air uy 4 Ep Cloth t A d 0 a e i z 4 z Aye p Wrap the each pipe Fig 1 Fig 2 Fig 3 I 1 with cloth tape J
12. each lamp light normally 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 2 Will noise wind or drain water from the unit disturb the neighbors 3 Is there any gas leakage WIRED REMOTE CONTROL UNIT OPTIONAL 1 SIDE PANEL L AND CONTROL COVER REMOVAL 1 Refer to SIDE PANEL LR REMOVAL AND INSTALLATION to remove the side panel L 2 Remove the control cover 2 CONNECTING TO CONTROL UNIT OF WIRE 1 Connect the wire of wired remote control unit to the circuit board and screw the earth wire 2 Install the control cover g 3 Use wire clamper and screw to fasten wire 3 SIDE PANEL L INSTALLATION Install side panel L by the reverse produres as stated in 1 SIDE PANEL L T Earth wire AND CONTROL COVER REMOVAL N Screw Test run button i is Tel cry r AN Control cover 33 i i 3 gt Ax 57 S i SA is Ls Gres RIS a D E y ff M n Te SS Wire of wired remote control unit Connect the 2 Before installing be sure to disconnect all power supply me During installing or removing operation be sure not to have wire catched by parts or draw it hard Or it may result troubles to the air conditioner control unit Insure the length of wire is not over the recomme
13. n off the power and turn it on again number able to cool or warm the room well mits Do not block the receiver with the grating Otherwise the grating will interfere with the remote controller signal and significantly reduce the distance and area angle from which the signals can be received Use a grating with vertical bars etc that has at least 75 open area If the grating has horizontal bars or if the open area is less than 75 performance could be reduced When the indoor unit is embedded in a wall built in the time it takes for the room temperature to reach the set temperature will increase FUNCTION SETTING SETTING VALUE C seme C Lower air outlet Installation instruction on the back CUTTING THE HOLE IN THE WALL FOR THE CONNECTING PIPING 1 Cut a 65 mm diameter hole in the wall at the position shown in Fig Fig 5 5 oo FOR RIGHT or LEFT REAR PIPING 2 Always align the center of the wall hole If misaligned water leakage The following figure is a front view of the indoor unit installation will occur location 3 Cut the wall pipe to match the wall thickness stick it into the wall cap fasten the cap with vinyl tape and stick the pipe through the hole The connection pipe is supplied in the installation set Fig 5 4 For left piping and right piping cut the hole a little lower so that drain water will flow freely Fig 5 Z N WARNING
14. nded po eee maximum length S Before setting up the wired remote control unit please confirm p an whether air conditioner can receive the signal PUMP DOWN OPERATION FORCED COOLING OPERATION To avoid discharging refrigerant into the atmosphere at the time of relocation or disposal recover refrigerant by doing the cooling operation or forced cooling operation according to the following procedure When the cooling operation cannot start in winter and so on start the forced cooling operation 1 Do the air purging of the charge hose by connecting the charging hose of gauge manifold to the charging port of 3 way valve and opening the low pressure valve slightly 2 Close the valve stem of 2 way valve completely 3 Start the cooling operation or following forced cooling operation When using the remote control unit Press the TEST RUN button after starting the cooling operation by the remote control unit The operation indicator lamp and timer indicator lamp will begin to flash simultaneously during test run 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 than 10 seconds 4 Close the valve stem of 3 way valve when the reading on the compound pressure gage becomes 0 05 0 Mpa 0 5 0 kg cm
15. ntake grille Reference the intake grille removal SIDE PANEL R 6 Install the unit where the drain pipe can be easily installed 2 Remove four screws 7 Take servicing etc into consideration and leave the spaces shown 3 The middle finger is hung on the lower part as shown in the Mounting shaft in Fig 1 Also install the unit where the filter can be removed 8 Install the place where is no gap around the unit figure and it pulls to the front pushing lt mark and bottom hooks two position is removed from Base 4 The side panel is pulled to the front raising the upper surface and a side panel is removed THE SIDE PANEL L R INSTALLATION 5 cm or over amp N N A 15 cm or below WARNING from the floor 1 Firstly fit the top part of the side panel and insert top and bot N Ni Install at a place that can withstand the weight of the tom hooks indoor and install positively so that the units will not 2 Four screws is attached NVI topple or fall ai 3 The intake grille is attached Screw Intake grille lt 4 N control unit a Conform to Type245 IEC57 CAUTION 1 Do not install where there is the danger of com lt Mark bustible gas leakage 2 Do not install near heat sources A
16. on condition using the remote controller Left rear Left outlet Entering the Function Setting Mode rear Daiei While pressing the FAN button and SET TEMP simultaneously press the RESET button to enter the function setting mode Duite outlet 2 Press the TIMER MODE button two times and check that the indoor unit can receive signal outlet 3 Selecting the function number and setting value 1 Press the SET TEMP button to select the function number Press the MODE button to switch between the left and right digits EMBEDDING THE INDOOR UNIT IN A WALL 2 Press the FAN button to poceed to setting the value Press the FAN button again to return to the function number selection When installing a grating use a grating with narrow upper and lower Fig 3 3 Press the SET TEMP button to serect the setting value horizontal bars so that the airflow from the upper and lower air outlets ET emor mo Press the MODE button to switch between the left and right digits does not contact the bars If the horizontal bars will block the lower Upper air outlet Grati 4 Press the TIMER MODE button and START STOP button in the order listed to confirm the settings air outlet use a stand etc to adjust the height of the indoor unit If ee ndoo 5 Press the RESET button to cancel the function setting mode Function the upper or lower air outlet is blocked the air conditioner will not be onl 6 After completing the FUNCTION SETTING be sure to tur
17. t 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 Air cleaning filter unit holder 1 Do not use the existing for R22 piping and flare nuts WARNING 1 The rated voltage of this product is 230 V AC 50 Hz Do not extend the connection cord 2 Before turning on the power check if the voltage is within the Perform wiring work in accordance with standards so that the 220 V 10 to 240 V 10 range air conditioner can be operated safely and positively 3 Always use a special branch circuit and install a special Install a leakage circuit breaker in accordance with the related receptacle 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 the air conditioner 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 N CAUTION 1 The power source capacity must be
18. y installing a vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A Remote Tapping screw big control unit Gauge manifold ELECTRICAL REQUIREMENT Battery Tapping screw small Always make the air conditioner power supply a special branch circuit Copper pipes and provide a special switch and receptacle Do not extend the power f a i i cord It is necessary to use seamless copper pipes and it is desirable Table 1 Thicknesses of Annealed Copper Pipes e Electric wire size MODEL 9 000 14 000 BTU class e Install the disconnect device with a contact gap of at least 3 mm nearby the units Both indoor unit and outdoor unit e Always make the air conditioner power supply a special branch circuit and provide a special breaker e Use conformed cord with Type245 IEC57 e Install all electrical works in accordance to the standard e Before starting work check that power is not being supplied to all poles of the indoor unit and outdoor unit that the amount of residual oil is less than 40 mg 10m Do not Thickness mm use copper pipes having a collapsed deformed or discolored Nominal Outer camer portion especially on the interior surface Otherwise the ex ref R22 pansion value or capillary tube may become blocked with m ss os os contaminants ano i l l 3 8 As an air conditioner using R410A incurs pressure higher than da oe when using R22 i
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