Structural Concepts Reveal NE4835RSV handleiding

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Structural Concepts

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Handleiding

Reveal® User Manual 18

Preventive Maintenance

Maintenance and Service Notes

WARNING! TURN OFF CASE BEFORE PERFORMING PREVENTATIVE MAINTENANCE

Decommissioning

• Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its

detail. I tis recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an

oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant. It is essential

that electrical power is available before the task is commenced.

a. Become familiar with the equipment and its operation.

b. Isolate the system electrically.

c. Before attempting the procedure, ensure that:

i. Mechanical handling equipment is available, if required, for handling refrigerant cylinders;

ii. All personal protective equipment is available and being used correctly;

iii. The recovery process is supervised at all times by a competent person;

iv. 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 instructions.

h. Do not overll 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 lled correctly and the process completed, make sure that the cylinders and the

equipment are removed from the site properly and all isolation valves on the equipment are closed off.

k. Recovered refrigerant shall not be charged into another refrigerating system unless it has been cleaned and

checked.

• Equipment shall be labeled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated

and signed. For appliances containing ammable refrigerants, ensure that there are labels on the equipment stating the

equipment contains ammable refrigerant.

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