Installation, Mounting and Maintenance DISA-H
Z11/31 - 4
Construction subject to change.
No return possible!
Version:
General information
Identification of the delivered model
The induction diffuser type DISA-H is available in three different
nozzle configurations:
D
,
E
und
F
and different device lengths.
Housing (1):
Galvanised sheet steel, with 1 or 2 connection
pipes DN 98, 123 (standard) and ø148 mm, position of connec-
tion pipes horizontal (-
H
).
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, diffuser system and
a steel frame.
Grille (3):
Louvre grid for supply air and return air (optional).
Hydraulic connections (4):
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 (4).
The primary air is mixed with the cooled or heated secondary
air. The mixed (3) primary and secondary air flows are supplied
to the room at low velocity via 1 supply air inlet.
Schematic diagram of the mode of operation
Schematic diagram of the jet path
4
1
2
3
AS1
AS2
AS3
WS1
WS2
1
2
3
4