Haier AW042MUGHA Installationsanleitung Seite 19

Safety
Must ensure that the electricity is accessible before starting the task.
1. Learn about the equipment and how it operates.
2. Cut off the system's electrical power.
3. Prior to starting the process, confirm that:
1) If necessary, mechanical transport tools are ready for moving
refrigerant cylinders;
2) all needed personal protection equipment and leak detectors are at
hand and used properly;
3) the recovery process is constantly overseen by a qualified individual;
4) Recovery tools and cylinders meet the standard requirements.
4. Ensure that the cylinder is placed on the scales before the recovery begins.
5. Operate the recovery machine by following the guidelines.
6. Avoid overfilling cylinders. (Do not exceed 80% of the cylinder's volume).
7. Must ensure not exceeding the maximum operational pressure of the
cylinder, even temporarily.
8. Once the cylinders have been correctly filled and the procedure is done,
ensure that the cylinders and equipment are promptly removed from the
location and all equipment isolation valves are closed.
Charging or discharging the refrigerant might lead to static electricity
accumulation, which can be hazardous. To prevent fire or explosion, neutralize
static electricity during transfer by grounding and connecting containers and
equipment before charging/discharging.
Label the equipment to indicate that it has been decommissioned and emptied of
refrigerant.
The label should include the date and signature.
Ensure that labels on the equipment state that it contains flammable refrigerant.
It is advised that all refrigerants are safely removed when removing refrigerant
from a system, either for servicing or decommissioning.
Must ensure using suitable refrigerant recovery cylinders if transferring
refrigerant into cylinders.
Prepare the right amount of cylinders to contain the total system charge.
All cylinders to be used should be assigned for the recovered refrigerant and
labelled for that specific refrigerant (i.e., dedicated cylinders for refrigerant
recovery).
Cylinders should have a fully operational pressure relief valve and associated
shut-off valves of good working conditions.
Recovery cylinders should be evacuated and, if possible, cooled before
recovery.
Labelling
Recovery
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