pasapair OL20-BD030BM, Инструкция по эксплуатации, Страница: 10 / 147

6
4. PRECAUTIONS BEFORE MAINTENANCE
Please follow these warnings when to undertake the following when
servicing a dehumidifier with R290.
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) 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.
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. Work 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.
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