English
Filling levels:
TP80/100...; STS80... 0.72 cups (170 ml)
MTS40 E... ; STS65...
DANGER! Danger of explosion!
Non-observance can result in an excess of temperature category T3C!
A second, self-adhesive rating plate is enclosed in the documentation. We recommend affixing this to
the switching box, inside the Installation and Operation Instructions or in any other suitable area to
ensure you have the necessary operating data to hand at all times.
2 Safety
These instructions contain additional information concerning explosion protection which must be ob-
served when installing and operating the pump. These operating instructions must therefore be read
by the installer and the responsible operator before assembly and commissioning. In addition to the
general safety instructions laid down here in the Safety section, the special safety instructions laid
down in the following sections are also to be observed. The general indications provided in the Operat-
ing Instructions must also be observed.
2.1 Danger symbols used in these operating instructions
As for the installation and operating instructions.
2.2 Staff training
The personnel installing the pump must have the appropriate qualifications for this work.
2.3 Risks incurred by failure to comply with the safety instructions
Failure to comply with the safety instructions could result in personal injury or damage to the pump or
installation. Failure to comply with the safety instructions could also invalidate any claim for damages.
In particular, failure to comply may lead to problems such as:
Failure of important pump or installation functions with reference to the risk of explosion.
2.4 Safety instructions for the operator
The operator is responsible for ensuring the pumps are designed, installed and operated in accor-
dance with the relevant national provisions. In cooperation with the competent authorities, the op-
erator must mark off all ex-areas and ensure suitable equipment is in use. This information must
then be recorded in the "Explosion Protection Document".
The cable entry and motors are certified for a common operation and they are obliged to be used
just in this combination.
In case of repairing it is just allowed to make use of original WILO spare parts. A repair of the flame
paths may only be done according to a constructive allowance of Wilo. The repair according to the
values of tables 1 and 2 of the DIN EN 50018-1:2000 is not allowed.
Only locking screws with a property class of at least A*-70, which are defined by Wilo, are allowed
to be used.
2.5 Safety information for inspection and assembly
The operator is responsible for ensuring that inspection and assembly are carried out by authorized
and qualified personnel who have studied the operating instructions closely.
0.97 cups (230 ml)
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