DeDietrich BL 150, Инструкция по установке, эксплуатации и обслуживанию

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2 Safety instructions and
recommendations
2.1 Safety instructions
CAUTION
Before any work, switch off the mains supply to the
appliance.
CAUTION
In order to limit the risk of being scalded, the installation of
a thermostatic mixing valve on the domestic hot water flow
piping is compulsory.
2.2 Recommendations
CAUTION
Do not neglect to service the appliance. Service the
appliance regularly to ensure that it operates correctly.
WARNING
Only qualified professionals are authorised to work on the
appliance and the instalation.
WARNING
Heating water and domestic water must not come into
contact with each other. Domestic water must not circulate
via the exchanger.
4
To take advantage of the guarantee, no modifications must be
made to the appliance.
4
To reduce heat losses as much as possible, insulate the pipes.
Casing components
Only remove the casing for maintenance and repair operations. Put
the casing back in place after maintenance and repair operations.
Instructions stickers
The instructions and warnings affixed to the appliance must never be
removed or covered and must remain legible during the entire lifespan
of the appliance. Immediately replace damaged or illegible
instructions and warning stickers.
2. Safety instructions and recommendations BL 150...500
7 01/03/2011 - 300019417-001-C