Argus E25 MOD II - Operating Instructions
Potential causes of damage and malfunction
Failure to follow the wiring diagram or making incorrect con-
nections at the terminals can result in destruction of the PCB
or individual electrical components.
The unit should only be installed on valves whose torque
requirement does not exceed the unit’s maximum permissi-
ble output torque. Failure to follow this rule can result in
breakage of the operating shaft or other components of the
unit.
Connection to a power supply of the wrong voltage can
cause damage to the unit’s electrical components.
Make sure the unit is always connected to the correct volt-
age.
Qualification of personnel
The operating authority shall only authorise qualified specialist
personnel to carry out work on the unit. This work is limited to:
Changing the limit switch plate
Setting the end-position limit switches
Changing the timing belt
Persons who work on the unit must, as a result of their training
and experience, have sufficient knowledge of the relevant regu-
lations, that apply at the location where the unit is installed, to
ensure safe operation/maintenance of the unit .
These include, in particular, the following regulations:
Legal requirements
Standards
Accident-prevention regulations
Recognised rules for safety and correct working
Special instructions issued by the operating authority
These persons must be able to recognise, assess and avoid
potential hazards.
Specialist personnel must have knowledge and experience in
the following sectors:
Valid legal regulations concerning protection against fire and
explosions, and work safety that apply where the unit is in-
stalled
Working on pressurised equipment
Work on electrical equipment
Working with hazardous media (hot, or under pressure)
Lifting and transporting loads
All Instructions in these Operating Instructions and other co-
valid documents
All other types of work are only to be carried out by the manu-
facturer or by personnel authorised to do so by the manufac-
turer.
Protective clothing
The protective clothing required depends on the legal require-
ments where the unit operates and on the media being han-
dled. For more information about suitable protective clothing
and protective equipment, see the safety data sheet for the
medium being handled.
Basic protective clothing has the following components:
Hard hat to EN 397
Safety shoes to EN ISO 20345
Robust leather gloves to EN 388
Persons within one metre of the unit while it is in operation
must wear ear defenders to EN 352
Depending on the media being handled and valid local regula-
tions, eye protection to EN 166 must also be worn.
Design features of warning instructions in the
text
with the word DAN-
warn of a hazardous situa-
that will result in death or
injury.
with the word WARN-
indicate a hazardous situa-
that could possibly result in
or serious injury.
with the word CAU-
indicate a situation that
result in slight or moderately
injuries.
Design features of instructions about damage
to property
instructions warn of a
that will result in damage to
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