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21
4 - WATER CONNECTIONS
CONDENSATE DISCHARGE
RISK OF FREEZE
The condensate must be disposed in order to avoid
damages to people and things.
•
Unit discharge fitting: the connection must not
transmit mechanical stresses and must be
performed taking care not to damage the unit
discharge fitting.
•
It is mandatory to install siphon that, eliminating the
negative pressure caused by the fan, prevents the
air intake from the discharge duct.
•
The ducting must have a min. slope of 5% to allow
the runoff.
•
Anchor the ducting with an adequate number of
supports.
Otherwise are generated duct failures and air locks
that prevent the runoff.
•
Insulate the duct and the siphon to avoid the
condensate drippings.
•
Connect the condensate discharge to a sewerage
drainage network. DO NOT use white water or
drainage networks to avoid the aspiration of odours
in the case of evaporation of water contained in the
siphon.
•
The connection must not be hermetic, so as to
allow the venting and avoid possible liquid returns.
•
Check at the end of the work, the regular
condensate runoff pouring some water in the tray.
Prevent the risk of freeze if the unit and drain can be
subject to temperatures close to 0°C.
For example:
•
safeguard the pipes with heating cables placed
under the insulation .
•
insulate the pipes.
•
perform the installation draining if unused for long
periods.
Example:
P = 100 Pa = 10 mm
T = 2P = 20 mm
S = T/2 = 10 mm
Siphon height calculation
T = 2P
S
=
T/2
P is the pressure determined by the fan in
correspondence of
the condense collection bowl (approx. 1 mm = 9.81 Pa)
Siphon
A - Condensate discharge fitting ø 32
Tube and clamp provided by the customer
Standard condensate drain pump (degree of protection
IPX4)
Emergency discharge
Plug
A
Содержание ELFOFresh EVO CPAN-YIN
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Страница 69: ...69 12 TECHNICAL DATE ELFOAir...
Страница 72: ...Filter Filter only on the intake grille ELFOFresh EVO ELFOPack ELFOFresh EVO ELFOPack...
Страница 73: ...Cover the plenum openings grilles with cardboard adhesive tape etc Remove caps...
Страница 74: ...74 NOTE...
Страница 75: ...75 NOTE...