Operation manual for M RS 420 ESTYMA control unit
6
SAFETY PRECAUTIONS
Warning
– risk of electric shock.
Before assembly or disassembly of the unit, disconnect the power supply in the
switchgear.
Read this operation manual carefully and thoroughly before using the unit.
Keep this operation manual and refer to it whenever you work with this unit in the
future.
Apply all the rules and heed all the warnings included in the unit operation manual.
Make sure that the unit is not damaged. In case of any doubts, do not use the unit and
contact the supplier.
In case of any doubts concerning the safe operation of the unit, contact the supplier.
Pay special attention to all warning signs on the unit casing and its package.
Use the unit as intended.
The unit is not a toy. Do not allow children to play with it.
Under no circumstances children should be allowed to play with any parts of the
package of the unit.
Access to small parts such as clamping screws or bolts should be secured against
children. Such elements may be delivered with the unit and may result in choking when
swallowed by a child.
Do not make any mechanical or electrical changes to the unit. Such changes may cause
the unit to malfunction and fail to meet the relevant standards, leading to an adverse
impact on the performance of the unit.
Do not insert any objects into the unit through openings (e.g. ventilation grills), as this
may cause short circuiting, electric shock, fire or damage to the unit.
Do not allow water, humidity or dust to enter the unit, as this may cause short
circuiting, electric shock, fire or damage to the unit.
Provide adequate ventilation of the unit, do not cover or block the ventilation grills, and
ensure that there is free flow of air around the unit.
The unit should be installed indoors unless it is adapted for outdoor operation.
Do not expose the unit to mechanical impacts and vibrations.
When connecting the unit to power supply, make sure that the parameters of the
supply network are within the unit’s operating range.
In order to avoid the risk of electric shock, connect the unit to a socket with an
earthing pin. The socket must be properly earthed by a licensed electrician.
When connecting the unit, make sure that it does not overload the electrical circuit.
Avoid connecting the unit to one circuit with motors and other equipment that causes
impulse interference (e.g. washing machines, fridges, ...)
It is absolutely necessary to cut off power supply before connecting any cables or
peripherals to the unit.
Remove the plug from the socket in order to completely de-energize the unit, especially
if you do not intend to use the unit for a longer period of time.
Protect the power lead against damage; it should be laid in a way that ensures that
nobody treads on it; no objects should stand on the power lead.
All electrical connections must be as shown in the electrical assembly drawings and
must comply with national and/or local regulations concerning electrical connections.
