Bedienungsanleitung Inventor PR1VO32 Premium C (Seite 36 von 120) (Englisch)

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 Page 36 

9. Checks to electrical devices

10. Repairs to sealed components

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 circuits shall be checked

for the presence of refrigerant; marking to the equipment continues to be visible and

legible.

marking 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.

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 satisfactorily dealt with. If the fault

cannot be corrected immediately but it is necessary to continue operation, and adequate

temporary solution shall be used. This shall be reported to the owner of the equipment so all

parties 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.

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

equipment being worked upon prior to any removal of sealed covers, etc. If it is absolutely

necessary to have an 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.

10.2 Particular attention shall be paid to the following to ensure that by working on electrical

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 specication, damage to seals, incorrect tting 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 ammable atmospheres. Replacement parts shall

be in accordance with the manufacturer s specications.

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

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

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Inventor PR1VO32 Premium C Seite 36

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