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Installation and Service Manual Upsilon-Series
8
Take note of the following when maintenance or adjustments are needed:
- The boiler must be able to function during these activities; for this reason, the boiler’s
supply voltage, gas pressure and water pressure must be maintained. Ensure that
there is not a source of potential danger during these activities.
Following maintenance or other activities; always check the connections of all
parts through which gas flows (using leak-search spray).
The following (safety) symbols may be encountered in these installation instructions and
on the boiler:
This symbol indicates that the boiler must be stored away from frost.
This symbol indicates that the packaging and/or contents can be damaged as a
result of insufficient care taken during transport.
This symbol indicates that, whilst still in its packaging, the boiler must be protected
from weather conditions during transport and storage.
KEY-symbol. This symbol indicates that assembly or dismantling, must be carried
out.
ATTENTION symbol. This symbol indicates that extra attention must be paid in
connection with a particular operation.
Useful tip or advice.