Installation, Mounting and Maintenance DISA-B
Z11/36 - 4
Construction subject to change.
No return possible!
09.05.2014
Version:
General information
Identification of the delivered model
The ceiling induction diffuser type DISA-B is available in four dif-
ferent nozzle configurations: B, C, D and E. The series is availa-
ble in the following nominal lengths: 1000, 1150, 1300, 1450,
1600 y 1750.
Housing (1):
Galvanised sheet steel with 1 or 2 connection pipes
DN
98
and
123
mm (standard). Connection pipe position hori-
zontal (
-H
)
Register (2):
4-pipe system (cooling and heating) or optionally
2-pipe system (cooling or heating) The registers consist of cop-
per pipes 12 mm in thickness, aluminium ribs, a steel frame and
a manual ventilation and drainage system..
Grid (3):
Louvre grid (
-PA-3
) or roll-down grille (
-PA-R
). Both
models made of extruded aluminium profile.
Hydraulic connections (4):
Copper pipes ø12 mm
Function
The primary air (1) supplied from the plenum box induces sec-
ondary air from the room (2), which is cooled or heated via the
register (4).
The primary air is mixed with the cooled or heated secondary
air. The mixed (3) primary (external air) and secondary air flows
are supplied to the room at low velocity.
Schematic diagram of the mode of operation
Schematic diagram of the jet path
1
2
3
4
1
3
4
2
Heating
Cooling
