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12 - RESIDUAL RISKS
isolator on the attachment line of the unit itself, padlock it and
display the appropriate warning sign.
12.8
Refrigerant
The intervention of the safety valve and the consequent
expulsion of the gas refrigerant may cause injuries and
intoxication. Always wear suitable clothing including protective
gloves and eyeglasses for operations inside the danger zone.
Should the gas refrigerant leak please refer to the refrigerant
"Safety sheet".
Contact between open flames or heat sources with the
refrigerant or the heating of the gas circuit under pressure (e.g.
during welding operations) may cause explosions or fires.
Do not place any heat source inside the danger zone.
The maintenance or repair interventions which include welding
must be carried out with the system off.
12.9
Hydraulic parts
Defects in tubing, the attachments or the cut-off parts may cause
a leak or water projection with the consequent damages to
peopl, things or shortcircuit the unit.