A.O. Smith Epsilon EB-40 Installation And Service Manual page 7

Take note of the following when maintenance or adjustments are needed:
- The unit must be able to function during these activities; for this reason, the unit's
supply voltage, gas pressure and water pressure must be maintained. Ensure that
these is not a source of potential danger during these activities.
Following maintenance or other activities; always check the installation of all parts
through which gas flows (using leak-search spray).
Following maintenance or other activities, always replace the housing and secure
it with the screw behind the door at the front of the casing.
The following (safety) symbols may be encountered in these installation instructions and
on the unit:
This symbol indicates that the unit 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 unit 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
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