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Safety Information (continued)
for handling refrigerant cylinders;
–All personal protective equipment is available and being used
correctly;
–The recovery process is supervised at all times by a competent
person;
–Recovery equipment and cylinders conform to the appropriate
standards.
d) Pump down refrigerant system, if possible.
e) If a vacuum is not possible, make a manifold so that refrigerant
can be removed from various parts of the system.
f) Make sure that cylinder is situated on the scales before recovery
takes place.
g) Start the recovery machine and operate in accordance with
manufacturer's instructions.
h) Do not overfill cylinders. (No more than 80 % volume liquid
charge).
i) Do not exceed the maximum working pressure of the cylinder,
even temporarily.
j) When the cylinders have been filled correctly and the process
completed, make sure that the cylinders and the equipment are
removed from site promptly and all isolation valves on the
equipment are closed off.
k) Recovered refrigerant shall not be charged into another
refrigeration system unless it has been cleaned and checked.
15. Labelling
□
Equipment 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
□
When 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.
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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).
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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.
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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.
□
Consult manufacturer if in doubt.
□
Opening of the refrigeration systems shall not be done by
brazing.
□
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.
WARNING: Risk of Fire or Explosion. This unit contains
flammable refrigerant.
Additional safety precautions must be followed.
□ Do not use means to accelerate the defrosting process
or to clean, other than those recommended by the
manufacturer.
□ The appliance shall be stored in a room without
continuously operating ignition sources (for example:
open flames, an operating gas appliance or an operating
electric heater).
□ Do not pierce or burn refrigerant tubing. Be aware that
refrigerants may not contain an odor.
□
Compliance with national gas regulations shall be
observed.
□ Keep ventilation openings clear of obstruction.
□ The maximum refrigerant charge amount is shown on
nameplate on the air conditioner.
□ When handling, installing, and operating the appliance,
care should be taken to avoid damage to the refrigerant
tubing.
□ Do not drill holes in the unit.
□ Maintenance, cleaning, and service should only be
performed by technicians properly trained and qualified
in the use of flammable refrigerants.
□ Dispose of air conditioner in accordance with Federal
and Local Regulations. Flammable refrigerants require
special disposal procedures. Contact your local
authorities for the environmentally safe disposal of your
air conditioner.
□ The appliance shall be stored so as to prevent
mechanical damage from occurring.
□ The appliance shall be stored in a well-ventilated area
where the room size corresponds to the room area as
specified for operation.
□
This product contains small parts such as (batteries,
battery cover and screws) that may cause suffocation
if swallowed by children.
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