Cassette Type Fan Coil Unit Owner's Manual
8
Fig.8
4.6 Installing drainage hose
NOTE:
♦
Install the drainage hose.
♦
Install the drainage hose with downward gradient (1/50 t0 1/100) and there should be no
rises or traps in the pipe.
♦
Use general hard polyvinyl chloride pipe (VP25) [outside diameter l -1/4" (32mm)] and
connect it with adhesive (polyvinyf chloride) so that there is no leakage.
♦
When the pipe is long, install supporters.
♦
Always heat insulate the indoor side of the drainage hose.
♦
When desiring a high drain pipe height, raise it up to 15" (400 mm) or less from the ceiling
within a range of 6" (150mm) from the body. T he raised height over this range will cause leakage.
Fig.9
4.7 Installation connecting the pipes
(1) Be sure to use both a spanner and wrench together as shown in the gure when connecting
or disconnecting pipes to/from the unit.
(2) The pipe af water-in/out is pipe thread G3/4".The surface of thread should be enlaced by the
two or three-circles trap
(3) After the water-in pipe and water-out pipe is connected tightly, start the water pump, and
then check its airproof performance.
(4) Insulate it as shown in the gure below.
(5) Use sealing pad (12) to wrap the water-in/out pipe and the insulation (10).
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