Dimensions; Accessories - Helios Rdw Ec Serie Montage- Und Betriebsvorschrift

Installation and Operating Instructions
UK
CHAPTER 2
DIMENSIONS AND

ACCESSORIES

EC-Centrifugal-Roof fan RDW EC ..
2.0

Dimensions

Type Ø A B
RDW EC 225 849 352
RDW EC 315 1018 412
RDW EC 400 1018 452
RDW EC 450 1298 487
Fig.4
Dimensions in mm
2.1 Accessories
The part numbers of the Helios accessory components are to be found in the respective sales documents (SD).
Flange
Type FR ... Ref..-No. SD
From galvanised sheet steel, for
connection to ducting.
Flanged flexible connector
Type STS ... Ref..-No. SD
Prevents vibration transmission to
the ducting. Flanges from galvani-
sed sheet steel.
Back draught shutter
Type RVS ... Ref..-No. SD
Automatic, from galvanised sheet
steel, shutter from aluminium. Pre-
vents draughts when fan is not acti-
vated. Vertical for air flow direction
going upwards.
Motorised back draught shutter
Type RVM ... Ref..-No. SD
AS RVS, but with spring reversing
motor (outside the air flow). Vertical
for air flow direction in any direction.
Hinged flat roof base
Type FDS ... Ref..-No. SD
Hinged for easy inspection and
cleaning.
c c
C D E F
32 16 6x 6 441 330
32 20,5 8x 8 603 450
32 16 6x 8 633 535
32 16 6x 8 758 590
Corrugated roof base
Type WDS ... Ref..-No. SD
For EC-roof fans and roof cowls on
corrugated roof. Slope of 25° allo-
wed. From glass reinforced poly-
ester. Profile No. 5.
Hinged base attenuator
Type SSD ... Ref..-No. SD
Hinged for easy inspection and
cleaning. Average attenuation is 15
dB. For attenuation on the intake.
All metal parts made of galvanised
sheet steel.
Universal control system
Type EUR EC Ref.-No. 1347
For stepless control or adjustment
of single- and 3-phase EC-fans
with an input control signal of 0 -
10 V DC.
Speed potentiometer
Type PU/PA 10 see type table
For stepless and direct control or
nominal value preset of EC-fans
with potentiometer input.
4
G Ø H I Ø J
259 R196 12
356 R264 12
438 R302 12
487 R358 14
Note:
Suitable potentiometers and
speed regulation with universal
control system) are offered in the
current EC-catalogue "EC-gre-
enVent - The ventilation of the
future" accessories program.