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50229 01
50229 01
08.2017
General
Attention! Read installation, operation
and maintenance instructions, connection
diagram, additional connection diagram and
safety regulations before transportation, in-
stallation, start-up, maintenance and repair.
Mind the information!
The existing additional operation and maintenance
manual is valid together with the already mentioned
documents and the operation and maintenance manual
for standard motors, where the basic specifications for
connection, installation, operation and maintenance as
well as the spare parts lists are included.
This manual shall help the user to ease the secure and
proper transportation, installation, start-up and mainte-
nance of the explosion-protected electric machine.
The compliance of this manual and the conditions and
methods for installation, operation, usage and mainte-
nance of the electric motor can not be controlled by the
manufacturer. An incorrect installation can result in dam-
age to property and thus can lead to risks for persons.
Therefore we do not assume responsibility and warranty
for losses, damages or costs resulting directly or indi-
rectly from incorrect installation, faulty operation or us-
age and maintenance. Technical drawings and pictures
are simplified illustrations. Due to improvements and
changes it might happen that they do not correspond
in detail with the supplied electric machine. Our policy
is one of constant product improvement. Therefore we
reserve the right to change the product, technical data
or installation, operating and maintenance instructions
without prior notice. Designs, technical data and illustra-
tions are not binding until confirmed in writing by the
supplier’s works.
Symbols
IIn this manual three symbols will be used, that indicate
important passages:
Security and warranty advices,
possible damage to persons included
Warning against electric voltage, danger of
life. Advice that damages to the electrical
machine and/or the auxiliary devices can
happen.
Additional advice for electrical Ex-motors of
Group II of category 2 (zone 1, 21) or Group II
of category 3 (zone 2, 22).
Security regulations
The security regulations, accident prevention regula-
tions, standards and approved rules of technique must
be observed unconditionally!
The non-observance of the security advices can
result in endangering people and/or damaging of
the machine.
Operation according to regulations
This manual is valid for explosion-protected, low voltage
electric machines. The type of protection according to
IEC/EN 60034, part 5 is at least IP 54 for motors for
operation in zones 1 and 2, at least IP 55 for operation
in zone 22 and IP 65 for operation in zones 21 and 22
with conducting dust.
For combinations always the highest required type of
protection has to be used. The type of protection is
always declared on the name plate of the motor.
In areas with risk of explosion only electric motors with
the permitted type of protection may be used.
Electric machines of Group II, category 2
(assigned to zones 1, 21) or Group II, cat-
egory 3 (assigned to zones: 2, 22)
Other or different operations are not classified in ac-
cordance to the regulations.
For damages and operational disturbances that results
from faults at installation, ignorance of this manual or
improper repair no warranty can be claimed.
Areas with risk of explosions
Which areas outdoors or indoors have to be considered
at risk of explosion according to the relevant rules and
regulations must be left at the responsibility of the op-
erator or the supervisory authority if there is any doubt
about the localisation of areas with risk of explosion.
The responsibilities for the operator of such plants
are described in the regulation 99/92/EG – ATEX 153
(former ATEX 118a and 137), occupational health and
safety regulation. The directive 2014/34/EU (RL94/9/
EC) contains the fundamentals for explosion-protected
products. The requirements for products for operation in
areas with risk of explosion are determined in this direc-
tive. They will be supported by corresponding regula-
tions (see below).
Explosion-protected electrical machines, that will be
covered by this manual, have been designed according
to the regulations of series IEC/EN 60034 (VDE 0530),
IEC/EN 60079-0, IEC/EN 61241-0 and the regulation for
the corresponding type of protection IEC/EN 60079-7,
IEC/EN 60079-15, IEC/EN 61241-1 and/or
IEC/EN 60079-31. They shall only be put into operation
according to the measures of the appropriate super-
visory authority.
Type of protection, temperature class and
characteristics have to be taken from the
name plate of the motor.
– Group II, category 2 (assigned zones: 1, 21)
In this category electrical machines of type of protection
increased safety “e” (“eb”) and flame-proof enclosure
“d/de” (“db”/ “db eb”) can be found. In addition electrical
machines for operation in areas with combustible dusts
and type of protection - protection by enclosure “tb” are
included in this group.
– Group II, category 3 (assigned zones: 2, 22)
In this category electrical machines with type of protec-
tion “n” (increased safety “ec”) and electrical machines
for operation in areas with combustible dusts and type
of protection - protection by enclosure “tc” can be found.
If the certification number includes the letter
X, special requirements have to be observed
that are listed in the corresponding type
examination certificate.
