ERICO DSF-20A-275V - Manual (Page 2)

DINLINE SURGE FILTER
INSTALLATION INSTRUCTIONS
www.erico.com Page 2 of 2 Doc: HBCR1421DOC, Rev: 4
5. MOUNTING
DSF's are designed to clip to 35mm DIN rails (standard
EN50022). Unless otherwise mechanically restrained,
use horizontal DIN rails with the DSF module spring
clips to the bottom and the label text the correct way
up.
NOTE: DSF's must be installed in an enclosure or panel
that:
• prevents the DSF unit temperature from exceeding
60°C
• provides adequate electrical and safety protection
• prevents the ingress of moisture and water
• allows DSF status indicators to be inspected
6. RESIDUAL CURRENT DEVICES
Where RCD's/ELCB's protectors are used, it is
preferable that the DSF modules be installed prior to
these devices (i.e. upstream). If this is not done,
nuisance tripping of the RCD's/ELCB's may occur
during transient activity.
7. CONDUCTOR TERMINATION
Each DSF terminal is designed to accept wire sizes
from 1.5mm² to 6mm² solid or stranded conductor. The
wire insulation should be stripped back 8mm before
terminating into the tunnel terminal.
NOTE:
Do not use greater than 1Nm of torque when
tightening the terminals. Where two wires may need to be
terminated into one terminal, the permissible wire size is
4mm² each.
8. FUSING AND ISOLATION
Overcurrent protection must be installed in the
upstream circuit of every DSF to provide protection to
the unit itself, the load and the wiring in case of fault
situations. The current rating of the breaker or fuse
used should be determined according to below.
However, the current rating should be less than the
rating of the wiring. For example, if a 20A DSF were
installed in a circuit with wiring that can carry 16A, then
a 16A overcurrent device must be installed upstream to
protect both the DSF and wiring from overload.
MAX FUSE SIZES: DSF RATING FUSE RATING
6A 6A
10A 10A
20A 20A
9. STATUS INDICATION
DSF modules have a single Status Indicator LED on
the front panel. When power is applied and full surge
capacity is available, the Status Indicator will be
illuminated. Should power be applied and the indicator
fail to illuminate, the DSF should be replaced, as
optimum protection is no longer provided.
10. MAINTENANCE & TESTING
Before removing a DSF module from service, ensure
that the power has been removed from the module.
Replacement of a DSF module should only be
undertaken by qualified personnel.
NOTE: DSF units should be inspected periodically, and
also following any periods of lightning or transient voltage
activity. Check the Status Indicator and replace the module
if it is not illuminated as detailed in Section 9 STATUS
INDICATION.
11. EXTENDED WARRANTY
This product has a limited warranty to be free from defects in
materials and workmanship for a period of five (5) years from
the date of dispatch from the Manufacturer. The Purchaser
acknowledges that lightning is a natural event with statistical
variation in behaviour and energy levels which may exceed
the product ratings, and 100 % protection is not offered and
cannot be provided for. Therefore the Manufacturer’s liability
is limited to the repair or replacement of the product (at the
Manufacturer’s sole option) which in its judgement has not
been abused, misused, interfered with by any person not
authorised by the Manufacturer, or exposed to energy or
transient levels exceeding the Manufacturer’s specification for
the product. The product must be installed and earthed
(where applicable) in strict accordance with the Manufacturer’s
specification and all relevant Electricity and Safety Standards.
The Manufacturer and Purchaser mutually acknowledge that
the product, by its nature, may be subject to degradation as a
consequence of the number and severity of surges and
transients that it experiences in normal use, and that this
warranty excludes such gradual or sudden degradation. This
warranty does not indemnify the Purchaser of the pro duct for
consequential claim for the damages or loss of operations or
service or profits. Customers should contact their nearest
ERICO Lightning Technologies agent to obtain a Product
Repair Authorisation Number prior to making any claim under
this warranty. This is only a summary of the warranty given by
the Manufacturer. The full text of the warranty is set out in the
Manufacturer’s Conditions of Quotation and Sale. The above
limited warranty additional to the rights which arise in respect
of the sale of industrial and technical products and services to
knowledgeable buyers under the Australian Trade Practices
Act 1974 as amended.