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10
IMPORTANT SAFETY INSTRUCTIONS
good practice that all refrigerants are
removed
safely.
refrigerant into cylinders, ensure that only
appropriate
cylinders are employed. Ensure that the
correct number of cylinders for holding
the total system charge is available. All
cylinders to be used are designated for
the recovered refrigerant and labelled for
that refrigerant (i.e. special cylinders for
the recovery of refrigerant). Cylinders
shall be complete with pressure relief
valve and associated shut-off valves in
good working order. Empty recovery
cylinders are evacuated and, if possible,
cooled before recovery occurs.
The recovery equipment shall be in good
working order with a set of instructions
concerning the equipment that is at hand
and shall be suitable for the recovery of
flammable refrigerants. In addition, a set
of calibrated weighing scales shall be
available and in good working order.
Hoses shall be complete with leak-free
disconnect
couplings
condition. Before using the recovery
machine, check that it is in satisfactory
working
order,
maintained and that any associated
electrical components are sealed to
When
transferring
refrigerant
recovery
and
in
has
been
properly
prevent ignition in the event of a
refrigerant release. Consult manufacturer
if in doubt. The recovered refrigerant shall
be returned to the refrigerant supplier in
the correct recovery cylinder, and the
relevant Waste Transfer Note arranged.
Do not mix refrigerants in recovery units
and especially not in cylinders.
If compressors or compressor oils are to
be removed, ensure that they have been
evacuated to an acceptable level to make
certain that flammable refrigerant does
not remain within the lubricant. The
evacuation process shall be carried out
prior to returning the compressor to the
suppliers. Only electric heating to the
compressor body shall be employed to
accelerate this process. When oil is
drained from a system, it shall be carried
out safely.
Non-duct
containing A2L refrigerants with the
supply and return air openings in the
conditioned space may have the body of
good
the appliance may be installed in open
areas such as false ceilings not being used
as return air plenums, as long as the
conditioned
communicate with the air of the false
ceiling.
connected
appliances
air
does
not
directly
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