Daikin FTXS50FV1B Installation Manual

Also see for FTKS50FV1B: Service manual Operation manual Operation manual

Contents

Daikin FTXS50FV1B Installation Manual Manual pdf 11 page image

9 ■EnglishIndoor Unit Installation6. Drain piping.1) Connect the drain hose, as described right.2) Remove the air filters and pour some water into the drain pan to check the waterflows smoothly.3) When drain hose requires extension, obtain an extension hose commercially avail-able.Be sure to thermally insulate the indoor section of the extension hose.4) 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 ajoint.Refrigerant Piping Work, install as described in the installation manual supplied with the Multi outdoor unit.1. Flaring the pipe end.1) 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.WARNING1) Do not use mineral oil on flared part.2) Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.3) Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.4) Do never install a drier to this R410A unit in order to guarantee its lifetime.5) The drying material may dissolve and damage the system.6) Incomplete flaring may cause refrigerant gas leakage.The drain hose shouldbe inclined downward.No trap is permitted.Do not put the endof the hose in water.Indoor unitdrain hoseφ18 Extension drain hoseHeat insulation tube(Field supply)Drain hose supplied withthe indoor unitCommercially available drainsocket(nominal diameter 13mm)Commercially available rigidpolyvinyl chloride pipe(nominal diameter 13mm)φ18 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 burrsCheckFlare’s innersurface mustbe flaw-free.The pipe end mustbe evenly flared ina perfect circle.Make sure that theflare nut is fitted.

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