Bühler technologies GAS 222.15, Руководство по установке

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GAS 222.15
6 Service
During maintenance, remember:
– The equipment must be maintained by a professional familiar with the safety requirements and risks.
– Only perform maintenance work described in these operating and installation instructions.
– When performing maintenance of any type, observe the respective safety and operation regulations.
DANGER Electrical voltage
Electrocution hazard.
a) Disconnect the device from power supply.
b) Make sure that the equipment cannot be reconnected to mains unintentionally.
c) The device must be opened by trained staff only.
d) Regard correct mains voltage.
DANGER
The gas inside the filter, condensate and used filter elements may be caustic or corros-
ive.
Sample gas can be harmful.
a) Before maintenance turn off the gas supply and surge with air if necessary.
b) Exhaust sample gas to a safe place.
c) Protect yourself against toxic / corrosive gas during maintenance. Wear appropriate
personal protection equipment.
CAUTION Hot surface
Risk of burns
Depending on the operating parameters, the housing temperature may reach over 100
°C during operation.
Allow the unit to cool down before performing maintenance.
CAUTION Excess pressure
The unit mustn’t be pressurised or energised when opened.
If necessary, close the gas supply and ensure a safe pressure on the process end before
opening.
6.1 Maintaining the filter element
The probes feature a particle filter which needs to be changed as it becomes dirty.
To do so, disconnect the voltage supply and if applicable close the shut-off valve to the process or switch off the process.
CAUTION! Do not damage the rear filter seat.
NOTICE
Ceramic filter elements are very brittle by nature. Handle them with care, don’t let them
fall.
Filter elements made out of sintered stainless steel can be cleaned in an ultrasonic bath
and be used several times as long as both seals are still in proper conditions.
11 Bühler Technologies GmbH BE460038 ◦ 10/2019