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after 12 hours.
• Regularly clean the condenser (at least every month) by removing all dust and grease. If the
room where the unit is located is very dusty, more frequent cleaning may be necessary.
• Clean the fixed and mobile contacts of all contacters; replace them if they show signs of wear.
(every four months)
• Check that all electric terminals, both on electrical panels and terminal boards, are properly
connected; also check carefully that the all fuse elements are correctly clamped. (every four
months)
• Visually check the entire refrigerating circuit, even inside the machines, for any traces of
refrigerant leaks, which are also signalled by traces of lubricant oil. Intervene in due time and
check further in case of doubt.
Checking leaks of cooling gas:
o for systems with 3kg ≤ load of cooling gas < 30kg the check must be annual
UK
o for systems with 30kg ≤ load of cooling gas < 300kg the check must be six-monthly
o for systems with load of cooling gas ≥ 300kg the check must be three-monthly
o if a loss is found, it is necessary to intervene immediately and carry out a verification within 30
days to ensure the repair work has been effective.
• Check the oil level by means of the special indicator (where present) on the compressor
crankcase. (every four months)
• Check the noise level of the compressor. This check must be performed with caution, as it has to
be carried out while the system is operating. Check for ticking or vibrations that result from
breakdowns or excessive mechanical friction between moving parts. (every four months)
• Clean the condenser regularly. We recommend using a jet of air, blowing towards the outside
and removing any grease or dust (specialist personnel only).
• Check that the condensation water drainage outlet is not blocked.
temperature) and LBP (low temperature) Blocksystems, make sure that the water drainage heater
is in perfect working order (specialist staff only).
• Important Note: at the end of maintenance operations, replace all previously removed guards.
11.

DISPOSAL

If the machine is placed out of service, it is necessary to disconnect it from the mains. The gas
contained inside the system must not be dispersed into the environment. The insulating material of
the plug and the compressor oil are subjected to differentiated waste collection regulations;
therefore, we recommend that you do not dispose of the unit as normal iron scrap but that you use a
special collection centre, as per the standards and regulations in force.
In compliance with the Directives 2002/95/EC, 2002/96/EC and 2003/108/EC, concerning the
reduction in the use of hazardous substances in electric and electronic equipment as well as
concerning the disposal of waste
The barred rubbish bin symbol on the appliance or its packaging indicates that at the end of its
useful life, the product must be disposed of separately from other refuse.
Suitable differentiated waste collection, sending the disused appliance for recycling, treatment or
disposal in an environment-friendly fashion helps to prevent possible negative effects on the
environment and its health as well as aiding the re-use and/or recycling of the materials used to
make the appliance.
Illegal disposal of the product by its user will lead to the application of administrative sanctions.
For MBP (medium
BLOCKSYSTEM FA/EA Pag. 58 REV. 02 11/07

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