Zodiac PM40 Series Instructions For Installation And Use Manual page 10

The system must be examined to make sure there are no leaks after the charging
operation and before commissioning. A follow-up leak test must be carried out
before leaving the site.
Dismantling
• Before dismantling, the technician must familiarise himself/herself with the
equipment and its specifications. We highly recommend carefully recovering all
refrigerants. Before this, oil and refrigerant samples must be taken if analyses are
to be carried out before any other use of the recovered refrigerant. Check for the
presence of a power supply before starting work.
1. Familiarise yourself with the equipment and how it operates.
2. Electrically isolate the system.
3. Before starting work, check the following points:
- mechanical handling equipment is available if needed to handle the refrigerant
cylinders;
- all personal protective equipment is available and used correctly;
- the recovery process is followed at all times by a cognizant person;
- the recovery cylinders and equipment comply with the relevant standards.
4. Drain the cooling system where possible.
5. If a vacuum cannot be created, install a manifold in order to be able to remove
the refrigerant from various locations within the system.
6. Make sure that the cylinder is located on the scales before starting recovery
operations.
7. Start the recovery unit and operate as per its instructions.
8. Do not overfill the cylinders (no more than 80% of the volume must be filled with
liquid).
9. Do not exceed the maximum working pressure of the cylinder, even temporarily.
10. When the cylinders have been filled correctly and the process is complete, check
that the cylinders and the equipment are quickly removed from the site and that
the alternative shut-off valves on the equipment are closed.
11. The recovered refrigerant must not be charged in another cooling system, unless
it has been cleaned and inspected.
LABELLING
• The equipment must be labelled so as to specify that it is out of order and that the
refrigerant has been drained.
• The label must be dated and signed.
• For appliances containing a flammable refrigerant, check that labels are placed on
the equipment stating that it contains a flammable refrigerant.
RECOVERY
• When draining the refrigerant for maintenance or decommissioning, best practices
should be followed in order to safely drain all of the refrigerant.
• When transferring refrigerant to a cylinder, make sure that you use a recovery
cylinder that is compatible with the refrigerant. Make sure that the correct number
of cylinders are provided for recovering all of the refrigerant. All cylinders used must
be intended for the recovery of refrigerant and must be labelled for this specific
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