Series 642 OPERATION
742280ED Edition 2017-11-24 91/
All parameters are stored in a power fail save memory.
5.4 Operation under increased temperature
CAUTION
Hot valve
Heated valve may result in minor or moderate injury.
Do not touch valve and heating device during operation. Once heating is switched off
(valve and system) await until the valve is cooled down complete before doing any
work.
This valve may be operated in the temperature range mentioned in chapter
«Technical data».
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