RED-RING RVR Série Notice D'instruction page 5

Maximum permissible temperature of the medium
to be delivered +50 °C.
Fans designed for use in explosive atmospheres
must be safeguarded against foreign bodies
being dropped or suctioned into the fan. Ball
bearings must be checked at least once a year
for smooth running, and if necessary exchanged
for new ball bearings lubricated with original
bearing grease.
In order to comply with the safety requirements
of the Appliance Safety Act, a protective grille in
accordance with DIN EN 294 (DIN 31001) must
be used in the event of a free intake or outlet on
the side in question e. g. SGM...
The fans are produced in compliance with DIN
VDE 0170/0171 and VDMA 24169 Parts 1
and 2. When installing (exclusively in zones 1, 2
and 11), due attention must be paid to the valid
regulations, in particular to DIN VDE 0165.
The motor of the ERM 18 Ex is sealed. In the case
of failure, return the complete unit to the factory.
The fan is designed in accordance with VDE
safety requirements within the scope of the
Appliance Safety Act and the valid stipulations of
the EC directives.
Mounting
Fig. 2: Pipe connection on both ends.
Fig. 3: Free intake, free exhaust.
À Fan
Á* Capacitor and Á** terminal box
 Ducting to be supplied by customer.
à Flexible sleeve with tightening straps
(accessory) should be used as connection
between ducting  and fan À.
Ä Base (accessory):
Can be fitted by means of supplied selftaping
screws in any position on the fan circumference,
depending on the required position of the
terminal box Á**. Rough drill Ø 3,5 mm if
possible.
Å Slip-on reducing fitting (accessory) to serve as
connection between fan À and ducting Â.
Æ Grille (accessory):
Can be fitted by means of supplied selftapping
screws. Break out predetermined breaking
points in the grille. Rough drill Ø 3,5 mm if
possible.
Ç Ceiling, wall, bearer.
2014-0 6
– Subject to change! –
Druck-, Satzfehler und techn. Änderungen vorbehalten - Subject to change
The appliance conforms to the protection class
specified on the rating plate when mounted
horizontally. i. e. for delivery on the downward
direction.
Suitable for any mounting position in dry rooms.
For intake or exhaust operation, depending on
mode of fitting.
The direction of air flow and rotation is marked
on the fan sleeve by arrows.
Technical Data
See the rating plate or valid MAICO catalogue.
Electrical connection
In accordance with the wiring diagram in Fig. 4.
Spare parts
Fig.1: Overview
Remark relating to spare parts orders: Always
specify the publication number of these
instructions 0185.0937.0000, the rating plate
number ”X” of the unit and the relevant position
number.
1 Motor
2 Admission flange
3 Housing
4 Capacitor
5 Impeller
6 Terminal box
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