Daikin FTXS35K2V1B Installation Manual

Also see for FTXS35K2V1B: Service manual Installation manual Removal Procedure Operation manual Service manual

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Daikin FTXS35K2V1B Installation Manual Manual pdf 13 page image

English■English 106. Drain piping1) Connect the drain hose, as described right.The drain hose shouldbe inclined downward.No trap is permitted.Do not put the endof the hose in water.2) Remove the air filters and pour some water into the drain pan to check the water flowssmoothly.3) If drain hose extension or embedded drain piping is required, use appropriate parts that match the hose front end.[Figure of hose front end]ϕ16ϕ184) When extending the drain hose, use a commercially availableextension hose with an inner diameter of 16mm.Be sure to thermally insulate the indoor section of the extensionhose.Indoor unitdrain hoseExtension drain hoseHeat insulation tube(field supply)ϕ16ϕ16Drain hose suppliedwith the indoor unit5) When connecting a rigid polyvinyl chloride pipe(nominal diameter 13mm) directly to the drainhose attached to the indoor unit as with embed-ded piping work, use any commercially availabledrain socket (nominal diameter 13mm) as a joint. Commercially available drainsocket(nominal diameter 13mm)Commercially available rigidpolyvinyl chloride pipe(nominal diameter 13mm)Drain hose suppliedwith the indoor unitϕ18Refrigerant Piping Work1. Flaring the pipe end1) Cut the pipe end with a pipe cutter.2) Remove burrs with the cut surface facing downwardso that the chips do not enter the pipe.3) Put the flare nut on the pipe.4) Flare the pipe.5) Check that the flaring is properly made.Set exactly at the position shown below.AFlaringDie A 0-0.5mmClutch-typeFlare tool for R410A1.0-1.5mmClutch-type (Rigid-type)1.5-2.0mmWing-nut type (Imperial-type)Conventional flare tool(Cut exactly atright angles.) Remove burrs.CheckFlare’s innersurface mustbe flaw-free.The pipe end mustbe evenly flared ina perfect circle.Make sure that theflare nut is fitted.WARNING• Do not use mineral oil on flared part.• Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.• Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.• Do never install a drier to this R410A unit in order to guarantee its lifetime.• The drying material may dissolve and damage the system.• Incomplete flaring may cause refrigerant gas leakage.

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