Installation, Mounting and Maintenance DISA-300
Z11/23 - 4
Construction subject to change.
No return possible!
Version:
General information
Identification of the delivered model
The ceiling induction diffuser type DISA-300 is available in four
different nozzle configurations:
A
,
B
,
C
and
D
, different device
lengths and air directions (-1 or 2 supply air slots).
DISA-300-1 / DISA-300-2
Housing (1):
Galvanised sheet steel, with 1 or 2 connection
pipes of DN 98, 123 (standard) and ø 148 mm, horizontal (-
H
)
or vertical (-
V
) position of the connection pipes.
Register (2):
2-pipe (-H, standard) or 4-pipe register (-HT, op-
tional) for cooling and heating. The registers consist of copper
pipes 12 mm in thickness, aluminium ribs and a steel frame.
Grille (3):
Possible designs: perforated sheet grille made of gal-
vanised sheet steel (perforated sheet grille models: -
SR
, -
SQ,
-
RE
and -
OB
) made of extruded aluminium profile (-
PA
). Both
painted to RAL 9010 (white, standard).
End pieces (4):
Sheet steel painted to RAL 9010.
Hydraulic connections (5):
Upon customer request, the hy-
draulic connection to the registers can be established either on
the left-hand (-
WS1
) or right-hand side (-
WS2
) of the unit.
Function
The primary air (1) supplied from the plenum box induces sec-
ondary air in the room (2), which is cooled or heated via the reg-
ister (3).
The primary air is mixed with the cooled secondary air. The
combined (4) primary and secondary air flows are supplied to
the room at low velocity via 1 or 2 supply air slots.
Schematic diagram of the mode of operation
Schematic diagram of the jet path
1
2
3
4
5
Connection pipe position
Vertical (-V)
Connection pipe position
horizontal (-H)
DISA-...-SR DISA-...-SQ DISA-...-RE DISA-...-OB
DISA-300-1
DISA-300-2
1
1
4 4
3
3
2
2
DISA-300-1
DISA-300-2
