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Caution: Risk of fire Operating instructions Read technical manual

15. Warning:

• Do not use means to accelerate the defrosting process or to clean, other than those recommended by the

manufacturer.

• The appliance shall be stored in a room without continuously operating ignition sources (for example: open

flames, an operating gas appliance or an operating electric heater.

• Do not pierce or burn.

2. Work procedure

Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or

vapour 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 flammable atmospheres. Ensure that the leak detection equipment being

No person carrying out work in relation to a refrigeration system which involves exposing any pipe work shall

use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition

sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing,

removing and disposal, during which refrigerant can possibly be released to the surrounding space. Prior to

work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable

hazards or ignition risks. “No Smoking” signs shall be displayed.

7. Ventilated area

Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or

conducting any hot work. A degree of ventilation shall continue during the period that the work is carried

out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the

The following checks shall be applied to installations using flammable refrigerants:

- The charge size is in accordance with the room size within which the refrigerant containing parts are installed;

- The ventilation machinery and outlets are operating adequately and are not obstructed;

- If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of

refrigerant;

- Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be

corrected;

- Refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any

substance which may corrode refrigerant containing components, unless the components are constructed of

materials which are inherently resistant to being corroded or are suitably protected against being so corroded.