maintained, and that corresponding elec-
trical components are sealed, to prevent
ignition if any refrigerant should come out.
Contact the manufacturer in the event of
any doubts.
Return the collected refrigerant to the refri-
gerant supplier in the correct collection
container and with the relevant Waste
Transfer Note. Do not mix refrigerants in
collection devices or containers.
If compressors/compressor oil are/is to be
removed ensure that the affected device
is drained to an acceptable level to ensure
that no combustible refrigerant remains in
the lubricant. Compressors must be drained
before being returned to the supplier. Only
electrical heating of the compressor hous-
ing may be used to quicken draining. Drain
oil from the system in a safe manner.
Miscellaneous
Maximum amount of refrigerant: See
Technical specifications.
■
Everyone who works with or opens a re-
frigerant circuit must have a current, valid
certificate from an accredited industry is-
suing body, which states that, according
to the industry's recognised assessment
standard, they have the authority to safely
handle refrigerants.
■
Servicing must only be performed accord-
ing to the equipment manufacturer's re-
commendations.
Maintenance and repairs that require the
assistance of another trained person must
be carried out under the supervision of
person with the authority to handle com-
bustible refrigerants.
Maintenance and repair that requires the
skill of another person must be carried out
under the supervision of someone with the
above expertise.
9Chapter 1 | Important informationNIBE F470
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