FWF
Fan coil units
4PW64524-1 – 09.2010
Installation manual
15
4 Install the fan coil unit
Connect the water inlet and outlet connections of the fan coil unit to the water piping as
illustrated below.
b
a
Fig. 4.9: Connecting the water piping
a
Water piping:
■
3/4" male BSP in case of direct connection to the unit,
■
3/4" female BSP in case of connection to an optional valve.
b
O-ring (delivered with the unit)
Notice
Do not use excessive force when connecting the piping. This could deform the unit
piping.
Deformation of the piping can cause the unit to malfunction.
In case the optional valve is used, refer to the installation manual of the valve kit to install the
field piping.
Perform the water piping work
4.5.2 Insulate the water pipes
The complete water circuit, inclusive all piping, must be insulated to prevent condensation
and reduction of the capacity.
a
b
d
c
c
d
Fig. 4.10: Water piping insulation
a
Water inlet
b
Water outlet
c
Sealing pad for piping connections (delivered with the unit)
d
Insulation tube (delivered with the unit)
If the temperature is higher than 30°C and the relative humidity is higher than 80%, then the
thickness of the sealing materials shall be at least 20 mm in order to avoid condensation on
the surface of the sealing.
Perform the water piping work
Summary of Contents for FWF02B7TV1B
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