Table of Contents
Advertisement
4 4 2
verv tage pr tecti
i e
ad
The unit does not have its own overvoltage
protection. Measures must be taken by the
operator at the supply end to ensure effec-
tive lightning and overvoltage protection.
The mains voltage must not exceed a
tolerance of ±10%.
4 4 3 PE c
duct r c
The PE conductor connection must be
connected to the PE conductor system of
the overall system.
5 Carryi g ut the e ectrica
c
ecti
5.1 Connecting the power supply
Complete the electrical connection by
following the wiring plans.
te
For technical data, refer to the
rating plate.
Remove the red cover from the electrical
connection.
Fig. 3:
Access the electrical connection
Insert the connection cable with wire end
ferrules into the screwless spring termi-
nals. Choose an appropriate pre-fuse
according to the line cross-section
(2 x 0.75 – 2.5 mm² multi-wire,
2 x 1.5 – 2.5 mm² fine-wire soldered).
Rittal fan-and-filter unit assembly and operating instructions
E ectrica c
a d supp y
ecti
Re-attach the electrical connection
cover.
5.2 Rotating the voltage connection
If the position of the voltage connection is
not ideally accessible, it may be rotated
through 90° and snapped into position.
To this end, press down on the release
button of the bayonet connection at the rear
of the fan. Units 3238.xxx to 3239.xxx are
released by pulling out the clip (see fig. 4)
of the bayonet connection.
Fig. 4:
Units 3240.xxx, 3241.xxx, 3243.xxx to
3245.xxx are released by pressing the re-
lease button of the bayonet connection
(see fig. 5), located on the opposite cor-
ner from the connection terminal.
ecti
Cauti
!
If
wire e d ferru es are
used the i su ati
i dividua wires should be
stripped to a max. of 9 mm
(t c
p y with c eara ce
a d creepage dista ces)
te
Fan-and-filter unit 3237.xxx is
connected by way of two sin-
gle wires which are led out of
the unit.
3238.xxx
3239.xxx
Release the bayonet connection
E
f the
9
Hide quick links:
Advertisement
Table of Contents
