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k) R ecovered refrigerant shall not be charged into another refrigeration system
15. LABELLING
E quipment shall be labelled stating that it has been de-commissioned and emptied
of refrigerant. The label shall be dated and signed. Ensure that there are labels on
the equipment stating the equipment contains flammable refrigerant.
16. RECOVERY
W hen removing refrigerant from a system, either for servicing or decommissioning,
it is recommended good practice that all refrigerants are removed safely. When
transferring refrigerant into cylinders, ensure that only appropriate refrigerant
recovery 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 and in good condition. Before using the recovery machine,
check that it is in satisfactory working order, has been properly maintained and
that any associated electrical components are sealed to prevent ignition in the
event of a refrigerant release.
C onsult 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.
PREPARATION
IDENTIFICATION OF PARTS
G
NOTE
All the illustrations in the manual are for explanation purpose only. Your
machine may be slightly different. The actual shape shall prevail. The unit can be
controlled by the unit control panel .
1
2
3
4
5
6
7
1.
a ir outlet grille
2.
control panel
3.
handle
4
4.
quick glance light (some units)
74
all isolation valves on the equipment are closed off.
unless it has been cleaned and checked.
8
9
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