Bedienungsanleitung Bauknecht PACW29CO BK (Seite 9 von 63) (Deutsch, Englisch, Holländisch, Französisch)

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SAFETY INSTRUCTIONS

6-8 Checks to the refrigerating equipment

Where electrical components are being changed, they shall be fit for the purpose

and to the correct specification. At all times the manufacturer’s maintenance and

service guidelines shall be followed. If in doubt consult the manufacturer’s technical

department for assistance. The following checks shall be applied to installations using

flammable refrigerants:

- The actual refrigerant charge 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;

- Refrigerating 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.

6-9 Checks to electrical devices

Repair and maintenance to electrical components shall include initial safety checks and

component inspection procedures. If a fault exists that could compromise safety, then

no electrical supply shall be connected to the circuit until it is satisfactory dealt with. if

the fault cannot be corrected immediately but it is necessary to continue operation, an

adequate temporary solution shall be used. This shall be reported to the owner of the

equipment so all parts are advised. Initial safety checks shall include:

- That capacitors are discharged: this shall be done in a safe manner to avoid possibility

of sparking;

- That there no live electrical components and wiring are exposed while charging,

recovering or purging the system;

- That there is continuity of earth bonding.

7. Repairs to sealed components

During repairs to sealed components, all electrical supplies shall be disconnected from

the equipment being worked upon prior to any removal of sealed electrical supply to

equipment during servicing, then a permanently operating form of leak detection shall be

located at the most critical point to warn of a potentially hazardous situation. Particular

attention shall be paid to the following to ensure that by working on coelectrical

components. The casing is not altered in such a way that the level of protection is

affected. This shall include damage to cables, excessive number of connections, terminals

not made to original specification, damage to seals, incorrect fitting of glands, etc.

Ensure that apparatus is mounted securely. Ensure that seals or sealing materials

have not degraded such that they no longer serve the purpose of preventing the

ingress of flammable atmospheres. Replacement parts shall be in accordance with the

manufacturer’s specifications.

NOTE:

The use of silicon sealant may inhibit the effectiveness of some types of leak detection

equipment. Intrinsically safe components do not have to be isolated prior to working on them.

8. Repair to intrinsically safe components

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