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DC Inverter U-match Series Cassette Type Unit

(3) Before attempting the procedure ensure that:

1) Mechanical handling equipment is available, if required, for handling

refrigerant cylinders;

2) All personal protective equipment is available and being used correctly

3) The recovery process is supervised at all times by a competent person

4) Recovery equipment and cylinders conform to the appropriate standards.

(4) Pump down refrigerant system, if possible.

(5) If a vacuum is not possible, make a manifold so that refrigerant can be

removed from various parts of the system.

(6) Make sure that cylinder is situated on the scales before recovery takes place.

(7) Start the recovery machine and operate in accordance with manufacturer's

instructions.

(8) Do not overfill cylinders. (No more than 80 % volume liquid charge).

(9) Do not exceed the maximum working pressure of the cylinder, even

temporarily.

(10) 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.

(11) Recovered refrigerant shall not be charged into another refrigeration system

unless it has been cleaned and checked.

5.4.9 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.

5.4.10 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 are 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).

Gree U-match Series User Manual

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