1 6
Cassettes
Furthermore, a siphon with a height of at least 50 mm must
be provided to avoid any unpleasant odours in the room.
The condensate evacuation pipe must be heat insulated
to a thickness of 5 to 10 mm with insulating material such
as polyurethane, propylene or neoprene (Fireproofing clas-
sification: M1) to prevent condensation.
If several cassettes are installed in the room, the evacuation
system can be designed as illustrated below.
Connections
5 . 1 CONDENSATE EVACUATION
To ensure effective condensate evacuation, the downward
slope must be 1 cm per metre without any restricted or
ascending section.
The condensate extraction height is limited to a maximum
of 0.60 metre (refer to above diagram)
For heights above 0.60 m, an auxiliary condensate pump
with a level regulator should be installed.
55
5 . 2 HYDRAULIC CONNECTIONS
WARNING !
For the system to operate in complete safety, regulating
valves must be fitted, if they are not already fitted at
the factory.
H max. = 600 mm
1 cm/m
S i p h o n
N O
A lock spanner must be used for tightening the valves.
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