Installation, Mounting and Maintenance DISA-W
Z11/27 - 4
Construction subject to change.
No return possible!
20.10.2015
Version:
General information
Identification of the delivered model
The wall induction diffuster type DISA-W is available in four dif-
ferent nozzle configurations:
A
,
B
,
C
und
D
, and different device
lengths. To regulate the air flow direction, it is possible to use
air deflection blades (individually or globally).
Housing (1):
Galvanised sheet steel, with 1 or 2 connection
pipes DN 98, 123 (standard) and ø148 mm, position of connec-
tion pipes horizontal.
Register (2):
Vertical 2-pipe (-
H
, standard) or 4-pipe register (-
HT
, optional) for cooling and heating. The registers consist of
copper pipes 12 mm in outer diameter, aluminium ribs, a diffus-
er system 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. Con-
nections seen in air flow direction.
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 (4).
The primary air is mixed with the cooled secondary air. The
combined (3) primary and secondary air flows are supplied to
the room at low velocity via supply air slots.
Schematic diagram of the mode of operation
Schematic diagram of the jet path
5
4
1
2
3
DISA-...-SR DISA-...-SQ DISA-...-RE DISA-...-OB
1
2
3
4
