LIBRETTO SILVER Manual Del Usuario página 11

To avoid damage to the water pump aiways ensure inlet water is filtered before the pump. Always
supply clean water only. Contaminated water will cause damage to pump seals and valves. Always use
water inlet hose of sufficient diameter to avoid water starvation in pump.
Do not allow the pump to run dry.
Avoid the machine recirculating for long periods (on by-pass models).
Max. pump inlet water temperature 60°C
Max. water inlet pressure 8 bar.
PROTECT MACHINE FROM FROST
PRECAUTIONS
Be sure your electric plug complies with the safety
rules in force. The plug must be properly and secu-
rely connected with an approved earth terminal not
lower than 16 ampere avoid using extension cables.
lf they are necessary always use a cabie reel with
proper section cable.
Do not use the machine near inflammable
mate-
rials and observe relevant fire prevention
regulations.
lt is better to have an extinguisher near the
machine.
Lifting point (1) care must be taken when lifting
the machine.
Do not use the burner in buildings or confined
spaces without adequate ventilation. Do not
touch or cover the exhaust.
lf connected to a chimney ensure adequate
draught is available. lf necessary install a fan in
the system.
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