Daikin BS4Q14AV1 Installation Manual

Contents

English 19• Power supply wiring and earth wiresRemove the control box cover and connect the power supply wiring to thepower terminal block (X1M).Also connect the earth wire to the earth wire terminal.Pass both the power supply wires and the earth wire together through thewire through hole (left) into the control box and use the included clamps (2)to securely hold the wires in place.Be sure to wire the earth wire so that it comes out of the cut out slit in thecup washer.(Not doing so could cause insufficient earth wire contact, causing the wirenot to function as a earth.)For more information about how much insulation to strip off power wiring,refer to the following figure.LN Power wiring (3-core)130Cut out slitCup washerRing type crimpstyle terminalWARNINGOrganize the wiring and securely reattach the control box cover.Pinched wires or a loose control box cover could result in electric shock or fire.CAUTION• When fastening the wire, use the included clamp (2) so as not to apply tensile force to the wire connec-tion and then securely fasten the wire.Also, after the wiring is completed, organize the wiring so that the control box cover does not pop up andthen properly replace the control box cover.Make sure no wires are pinched when replacing the control box cover.Always use the wire through hole to protect wires.• Do not pass the transmission wiring and power supply wiring throughthe same locations, and outside of the unit keep them separated by atleast 50 mm.Not doing so could cause the transmission wiring to pick up electricnoise (external noise) and result in a malfunction or breakdown.• After the wiring work is complete, use sealer (to be supplied in thefield) to seal closed the wire through hole.(Entry by small animals, etc., could cause a malfunction.)• As shown in the figure to the right, wrap the transmission wiringbetween each BS unit and indoor unit with finishing tape (to be sup-plied in the field).Gas pipeTransmissionwiringLiquidpipeFinishing tape Insulation material

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