M&C EC Series, Инструкция по эксплуатации, Страница: 21 / 41

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18 Closing down
Note
The installation site of the cooler must be frost-free, even when the unit has
been switched off!
In case of a short-term decommissioning of the cooler no special measures
are required.
In case of a long-term decommissioning, we recommend to purge the cooler
with inert gas or air to remove residual condensate entirely from the cooler.
Aggressive condensate is possible.
Wear protective gloves and protective glasses!
Wear proper protective clothing!
19 Maintenance
Before starting any maintenance work, make sure that any work done on the device is in compliance
with all relevant regulations and standards.
Warning
Disconnect power supply before opening the device for access.
Make sure that all external power supplies are disconnected.
This also applies to any external alarm or control circuits which may be
connected.
Only carry out any work at the gas cooler, when the process and the
environment is declared as an explosion-free zone. A zone is declared
as explosion-free zone, if it is free of explosive atmosphere.
Only carry out any work at the temperature controller, when the
process and the environment is declared as an explosion-free zone. A
zone is declared as explosion-free zone, if it is free of explosive
atmosphere.
Warning
Inhalation hazard possible, if using toxic or asphyxiant gases!
Purge cooler with inert gas or air before opening! If the cooler is used
for toxic gas or asphyxiant (oxygen-displacing) gas, it needs to be
purged with inert gas or air before opening. Follow closely all relevant
occupational safety regulations during operation.