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VDL (E3.1) 10/2020 Page 63/196
The pumped-out gases at the pump exit or the exhaust waste vapor condenser must be removed in a
controlled manner and according to applicable security regulations. If there is any possibility that an
explosive mixture could still exist, the exhaust must be removed through antistatic conduits and disposed
of according to the valid regulations of explosion protection.
• Establish the electrical connection at the pump’s connector box. This must be carried out according to
the original user manual of the pump manufacturer and to EN 60079-0, observing the zone that has
been defined by the operator for the installation site of the pump. Equipotential bonding between the
pump housing and the housing of the vacuum drying oven must be assured by the connected equipment
grounding conductors of both units.
Inappropriate execution of the pump connection can lead to the risk of explosion.
DANGER
Danger of ignition and explosion by inappropriate pump connection .
Serious injury or death from burns and / or explosion pressure.
It is obligatory to follow the instructions of the pump manufacturer regarding correct
connection and commissioning.
Observe the safety advice as in chap. 1.7.
Extracted vapors or the occasionally used inert gas can endanger health and / or have a corrosive effect
on the oven and pump.
WARNING
Danger of damage to health by release of extracted vapors.
Corrosion on the chamber and the pump. Damage to health.
Remove the extracted vapors and/or inert gas via a suitable conduit from the pump
module into e.g., a fume extractor facility.
Directly connect the conduit to the corresponding pump outlets.
You can connect a laboratory cooling system to the emission condenser of the vacuum pump
VP4.
To operate the chemical membrane pumps VP4 (MZ2C EX) please refer to the enclosed
pump manufacturer's operating manual.
Confirm that the vacuum source is designed for a gas inlet temperature corresponding to the
used drying temperature, or take appropriate measures to cool down the extracted vapor be-
fore its entry into the vacuum source.
The ATEX Directive 2014/34/EU compliant vacuum pump offered by BINDER is designed for a gas
inlet temperature of 40 °C / 104 °F max. Do NOT exceed this temperature. If the gas inlet temperature is
too high and then becomes even warmer by compression in the pump, the resulting temperature (of the
gas-solvent mixture inside the pump) could exceed the solvent’s temperature class and auto-ignition tem-
perature .
The maximum permissible ambient temperature of the vacuum pump supplied by BINDER is 40 °C / 104 °F.
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