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Qlima P 628 black Gebrauchsanweisung Seite 61

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man_P2xx_PH6xx-EU ('22) V3.indd 61
man_P2xx_PH6xx-EU ('22) V3.indd 61
1.8 Checks to the refrigeration 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. lf in doubt consult the manufacturer's
technical department for assistance. 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.
1. 9 Checks to electrical devices
Repair and maintenance to electrical components shall include initial safety checks and
component inspection procedures. lf a fault exists that could compromise safety, then
no electrical supply shall be connected to the circuit until it is satisfactorily dealt with.
lf 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 parties are advised. lnitial 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.
2
REPAIRS TO SEALED COMPONENTS
2.1 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. lf 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.
2.2 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 specification, damage to seals,
incorrect fitting of glands, etc.
Ensure that apparatus is mounted securely.
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20-12-2022 15:57
20-12-2022 15:57

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