Operating Instructions – Explosion-Proof VARIMOT
®
Variable Speed Gear Units and Accessories
7
2
Safety notes for the use of VARIMOT®
Safety Notes
2
Safety Notes
2.1
Safety notes for the use of VARIMOT
®
The following safety notes apply to variable speed gear units.
Assembly, connection, startup, maintenance and repair work on the VARIMOT
®
variable speed gear units and the optional electrical components may only be
performed by qualified personnel while taking the following into account:
• These operating instructions
• Warning and instruction labels on the variable speed gear unit/variable speed gear-
motor
• All other project planning documents, operating instructions and wiring diagrams
belonging to the drive
• The specific regulations and requirements for the system
• National/regional regulations on explosion protection, safety, and prevention of acci-
dents that are currently in effect
Optional
equipment
Optional equipment complies with existing standards and regulations:
In addition to general installation guidelines, the following regulations in accordance with
ElexV 1 (or other national regulations) must be observed for electrically operated
options:
Technical data and information on approved conditions on site can be found on the
nameplate and in these operating instructions.
These details must be strictly observed.
When using
variable speed gearmotors
, also refer to the safety notes for gear units
and motors in the relevant operating instructions.
Take into consideration the supplementary safety notes in the individual sections
of these operating instructions.
Explosive gas mixtures or dust concentrations when combined with hot, live, and
moving parts of electrical machinery can cause serious injury or death.
• EN 50014
• EN 50018 for protection type "d"
• EN 50019 for protection type "e"
• EN 50020 intrinsically safe "i"
• EN 50281-1-1/EN 50281-1-2 "Electrical apparatus for use in the presence of
combustible dust"
• EN 60079-14 "Electrical apparatus for explosive gas atmospheres"
• EN 50281-1-2 "Electrical apparatus for use in the presence of combustible dust"
• DIN VDE 105-9 "Operating electrical equipment" or other national regulations
• DIN VDE 0100 "Erection of power installations with rated voltages below 1000 V" or
other national regulations
• System-specific regulations
