CAUTION
CAUTION
3.2.1 Hydraulic connections
Connection to the system
Setting up the condensate drainage system
IMPORTANT!
It is most important that the hydraulic connections are made
with great care by specialised fitters.
IMPORTANT!
The water coils can be partially drained through the drain
valves.
To drain them completely, they should be blown out with an
air-jet.
CAUTION
Connect the unit to the water system by means of the fittings which
are marked Flow and Return.
All the water coils, including the optional extras,are equipped with air
bleed-valves next to the upper union, and with water drain valves
need to the lower union.
All the valves can be opened and closed with screwdrivers or
allenkeys.
Bleed the air contained in the circuit.
Lag the connection pipes and any valves titted with
anticondensation material 10 mm thick or install the auxiliary
drain.
Pour water into the condensation collector tray and check
that the liquid drains properly,following it right through to the
exit of the draintube. If it does not, check the fall and look for
possible blockages.
When installation is complete, it is necessary to:
The condensation drainage system must be set up with an
adequate fall, to ensure that the water escapes properly.
Following are directions for setting up a proper condensation
drainage system.
Creation of the trap
The condensation drainage system must be fitted with a
connect to the unit
condensate discharge
or defrosting tray.
suitable trap to prevent seepage of odours. Following are
directions for setting up the trap.
Aways provide a drainplug at the bottom of the trap, and
arrange it so that it can be quickly dismantled
CAUTION
IMPORTANT!
Position the drain-tube so that it does not put strain on the
drainage connector on the unit.
50mm
50mm
Fig.3-6
Fig.3-7
Fig.3-8
3 cm/m
Installation manual
Universal FCU DC
9
