Daikin VRV FXAQ20ARVE6 Operation Manual

12• After checking for gas leaks, be sure to insulate the pipe connections using the thermal insulation tube& finishing tape. The finishing tape should be wrapped from the L-shaped bend all the way to the insidethe unit (Refer to fig.15)CAUTIONBe sure to insulate any field piping all the way to the piping connection inside the unit. Any exposed pipingmay cause condensation or burns if touched.6. DRAIN PIPING WORK(1) Install the drain piping. (Refer to Fig. 16)• The drain pipe should be short with a downward slope and should prevent air pockets from forming.• Watch out for the points in the Fig. 16 when performing drain work.• When extending the drain hose, use a commercially available drain extension hose, and be sure toinsulate the extended section of the drain hose which is indoors. (Refer to Fig. 17)• Make sure the diameter of the piping is the same as the piping (hard vinyl chloride, nominal diameter13mm) or bigger.Local pipingIndoor unit pipingThermal insulation tubeClamping material large(accessory) (4)Finishing Tape(not included in accessories)L-shapedbendStart wrappingSee “4. INDOOR UNITINSTALLATION”Thermal insulation tubeInsulating tubing seam(Attach the finishing tape sothat there are no gaps inthe insulating tubing seam.)Fig. 15Fig. 16Make sure the drainhose is at a downwardslope.Make sure the tip doesnot go underwater evenwhen water is added.Drain hose Drain hose(Downwardslope)Indoor unit drain hoseExtension drain piping(commercially available)Heat insulation tube(commercially available)Finishing Tape(commercially available)( See “4. INDOOR UNIT INSTALLATION” ) Fig. 17