Watson-Marlow 720DuN User Manual
8
7 Safety notes
In the interests of safety, this pump and the tubing selected should only be used by
competent, suitably trained personnel after they have read and understood this
manual, and considered any hazard involved. If the pump is used in a manner not
specified by Watson-Marlow Limited, the protection provided by the pump may be
impaired.
This symbol, used on the pump and in this manual,
means: Caution, risk of electric shock.
This symbol, used on the pump and in this manual,
means: Caution, refer to accompanying documents.
This symbol, used on the pump and in this manual,
means: Do not allow fingers to contact moving parts.
This symbol, used on the pump and in this manual,
means: Recycle this product under the terms of the EU
Waste Electrical and Electronic Equipment (WEEE)
Directive.
There is a user-replaceable type T5A H
250V fuse in the fuseholder in the centre of
the switchplate at the back of the pump.
The 720N module must be removed to allow
access to the switchplate.
See 22.1
720N module removal and
replacement
. There are thermal fuses within the pump which
self-reset within 60 seconds; if they trip an error code is dis-
played.
Fundamental work with regard to lifting,
transportation, installation, starting-up,
maintenance and repair should be per-
formed by qualified personnel only. The unit must be isolated
from mains power while work is being carried out.
Any person who is involved in the installation or periodic maintenance of this equip-
ment should be suitably skilled or instructed and supervised using a safe system of
work. In the UK this person should also be familiar with the Health and Safety at
Work Act 1974.