Zodiac HPO handleiding

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Handleiding

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15
into the surrounding space. Before starng the work, the area around the equipment must be examined to check for
all re or ignion risks. "No smoking" signs must be displayed.
Area venlaon
Before accessing the unit in any manner whatsoever with the intenon of performing any maintenance task, check
that the area is open and well-venlated. Suitable venlaon must be provided throughout the maintenance task to
allow any refrigerant that could be released into the atmosphere to be safely dispersed.
Refrigeraon equipment check
The manufacturer's recommendaons in terms of care and maintenance must always be complied with. When
replacing electric components, check that components used are of the same type and category as those recommended/
approved by the manufacturer. When in doubt, contact the manufacturer's technical department for assistance.
The following checks must be applied to installaons using ammable refrigerants:
- if an indirect cooling circuit is used, the presence of refrigerant in the secondary circuit must be analysed;
- the markings on the equipment must remain visible and legible; any illegible markings or signs must be reced;
- the hoses or components of the cooling circuit are installed in a posion where they are unlikely to be exposed to
any substance capable of corroding the components containing refrigerant, unless the components are made from
materials that are typically corrosion-proof or correctly protected from such corrosion.
Electric component check
The repair and maintenance of electric components must include inial safety checks and component inspecon
procedures. If a defect capable of jeopardising safety arises, no power supply must be connected to the circuit unl
the problem has been completely resolved. If the defect cannot be reced immediately and if maintenance work
must connue, an appropriate temporary soluon must be found. This must be reported to the equipment's owner
so that all persons concerned are made aware.
The repair and maintenance of electric components must include the following inial safety checks:
- the capacitors are discharged: this must be carried out safely to prevent all risks of ignion;
- no electric component or live wiring is exposed while charging, overhauling or draining the system;
- the system must be grounded at all mes.
Repair of insulated components
When repairing insulated components, all power sources must be disconnected from the equipment on which
the work is being carried out before removing the insulang cover, etc. If the equipment must be powered during
maintenance work, a leak detector must connuously monitor for leaks at the most crical point in order to report
any potenally hazardous situaon.
Parcular aenon must be paid to the following points to ensure that, when performing work on the electric
components, the housing is not altered to the point of aecng the protecon rang. This includes damaged wires,
an excessive number of connecons, terminals that do not comply with the original specicaons, damaged seals,
incorrect installaon of the cable glands, etc.
Make sure that the appliance is properly xed.
Make sure that the seals or insulang materials are not deteriorated to the point that they no longer prevent a
ammable atmosphere from penetrang the circuit. Spare parts must be compliant with the manufacturers
specicaons.
Repair of intrinsically safe components
Do not apply any permanent electric capacitance or inducon charge to the circuit without checking that it does not
exceed the allowed voltage and intensity for the equipment being used.
Typically safe components are the only types on which work can be carried out in the presence of a ammable
atmosphere when live. The test appliance must fall under a suitable classicaon.
Only replace components with parts specied by the manufacturer. Other parts could cause the refrigerant to leak
and ignite in the atmosphere.
Wiring
Check that the wiring shows no signs of wear, corrosion, excessive pressure, vibraon, cung edges or any other
detrimental environmental eect. The check must also take into account the eects of ageing or connuous vibraons
caused by sources such as compressors or fans.
Detecon of ammable refrigerant
Under no circumstances must potenal ignion sources be used to search for or detect refrigerant leaks. A halide
torch (or any other detector using a naked ame) must not be used.
The following leak detecon methods are considered to be acceptable for all cooling systems.
Electronic leak detectors can be used to detect refrigerant leaks; however, in the case of ammable refrigerants, the
sensivity level may not be suitable or recalibraon may be necessary. (The detecon equipment must be calibrated
in an area devoid of refrigerant). Check that the detector is not a potenal ignion source and is appropriate for the
refrigerant used. The leak detecon equipment must be adjusted to a percentage of the refrigerant's LFL and must
be calibrated according to the refrigerant used. The appropriate gas percentage (25% at most) must be conrmed.
Leak detecon uids are also suited for use with most refrigerants, however the use of detergents containing chlorine
must be avoided since it could react with the refrigerant and cause corrosion to the copper piping.

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Productinformatie

MerkZodiac
ModelHPO
CategorieNiet gecategoriseerd
TaalNederlands
Grootte6991 MB