8 English1. Remove the control box lid. Connect the remote controllerand power supply (single-phase, 50 Hz 220-240 V or sin-gle-phase, 60Hz 220V) respectively to the terminal blockand securely connect the earth also (as shown in the figurebelow).CAUTIONSecurely clamp the cables with the clamps (9)(10) offeredas accessories as shown in Fig. 17 so that tension will notbe applied on the cable connection areas.2. Confirm that the control box lid is closed before turning onthe power.3. Remove the inspection lid.4. Gradually pour approximately 1L of water from the inspec-tion window into the drain pan to check drainage.CAUTIONBe sure to prevent an external force from being exerted onthe float switch.(This may cause breakage.)5. Attach the inspection lid.6. Perform the following operation using the remote controller,and check drainage.• Select the inspection/test operation button “ ” usingthe remote controller. The unit will engage the test oper-ation. Press the operation selector button “ ”, andselect FAN OPERATION “ ”.• Press the ON/OFF button “ ”. (The indoor fan anddrain pump will operate.)CAUTIONThe fan will turn also at the same time. Take due care.Do not touch the drain pump to prevent electric shock.7. Make sure to use the remote controller in finishing the oper-ation.8. INSTALLING THE DUCTConnect the duct supplied in the field.Air inlet side• Attach the duct and intake-side flange (field supply).• Connect the flange to the main unit with accessory screws(7).• Wrap the intake-side flange and duct connection area withaluminum tape or something similar to prevent air escaping.CAUTIONWhen attaching a duct to the intake side, be sure to attach an airfilter inside the air passage on the intake side. (Use an air filterwhose dust collecting efficiency is at least 50% in a gravimetrictechnique.)The included filter is not used when the intake duct is attached.Air outlet side• Connect the duct according to the air inside of the outlet-sideflange.• Wrap the outlet-side flange and the duct connection areawith aluminum tape or something similar to prevent airescaping.CAUTION• Be sure to insulate the duct to prevent condensation fromforming. (Material: glass wool or polyethylene foam, 25 mmthick)• Use electric insulation between the duct and the wall whenusing metal ducts to pass metal laths of the net or fenceshape or metal plating into wooden buildings.• Be sure to explain about the way of maintaining and cleaninglocal procurements (air filter, grille (both air outlet and suctiongrille), etc.) to your customer.TESTTRANSMISSIONWIRINGREMOTECNTRLT1F1FORCEDOFFP2 F2P1 T2TRANSMISSIONWIRINGREMOTECNTRLT1F1FORCEDOFFP2 F2P1 T2NLL NInspection windowPortable pumpInspection lidRefrigerant pipesBucketService drain holeDrain outlet(with rubber cap)Indoor PCboard(ASSY)Terminal blockTerminal blockRemote controllerterminal connectionmethodPower supply:Single phase,50 Hz, 220 V~240VSingle phase,60Hz, 220 VPower terminalconnectionmethodClass 15 · 20 · 25 · 32 40 · 50 63Number ofpositions 16 22 26Connection screw (7)(accessory)(Field supply)(Field supply)(Field supply)(Field supply)FlangeFlangeAluminum tapeAluminum tapeMain unitInsulationmaterialAir inlet side Air outlet side