Safety Precautions On Servicing; Work Procedure - VanTop EX284643AAA Handbuch

2.2 SAFETY PRECAUTIONS ON SERVICING

Please follow these warnings when to undertake the following when servicing a
dehumidifier with R290.
2.2.1 Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks
are necessary to ensure that the risk of ignition is minimized. For repair to the
refrigerating system, the following precautions shall be complied with prior to
conducting work on the system.

2.2.2 Work procedure

Work shall be undertaken under a controlled procedure so as to minimize the risk of
a flammable gas or vapor being present while the work is being performed.
2.2.3 General work area
All maintenance staff and others working in the local area shall be instructed on the
nature of work being carried out. Working in confined spaces shall be avoided. The
area around the workspace shall be sectioned off. Ensure that the conditions within
the area have been made safe by control of flammable material.
2.2.4 Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant detector prior to and
during work, to ensure the technician is aware of potentially flammable atmospheres.
Ensure that the leak detection equipment being used is suitable for use with
flammable refrigerants, i.e. no sparking, adequately sealed or intrinsically safe.
2.2.5 Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration equipment or any associated
parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry
powder orCO2 fire extinguisher adjacent to the charging area.
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