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The operational interruption "Clean" is reset by switching the unit's main switch off and then on
again.
The subsequent re-initiation is to be carried out as described in chapter 7.
The "Cleaning" function's purpose is to exchange polluted water in the boiler against
clean water.
9.2.2 Back water in the boiler
If the water level in the boiler rises up to the wire electrode in the left-hand container (L), the
electronic impurity detector (A1 in the circuit diagram) switches the unit off and the red pilot
lamp "Clean" (II) lights up. This means that more water entered the unit than could flow off.
Possible causes are tubes outside the unit that are not installed as described (see chapter 6), or
scale formations that cause a blockage in the water outlet tube inside the unit. A defective
quantity regulator in the outlet of the solenoid valve (see cooling water requirement, chapter 11)
might also cause more water to flow into the unit than can flow off. For trouble shooting
purposes, an additional function drawing of the internal water flow is available on request.
9.3 Re-initiation after low water
A low water cut-off (thermostatic over-temperature cut-out) protects the heating elements
against running dry. In case of low water the Water Still is switched off by the temperature
limiter.
To re-initiate, let the unit cool down and fill in water to cover the
heating elements as described in chapter 7 Initiation.
The triggered low water cut-off must be reset. To do so,
loosen the black cap nut at the bottom left-hand side of the Water
Still. Inside the thread a small white plasti c pin can be seen that
has to be gently pressed inside (e.g. with a pen) until a clicking
sound can be heard.
Only then switch the unit back on again.
The GFL Water Still is made of first-class material. Nevertheless, the unit should only be
subjected to mechanical strain within sensible limits.
Make sure that no fluids come into contact with cable connections or the
electrical parts inside the unit!
The powder-coated surfaces of the unit can be cleaned with mild detergents, if necessary.
Servicings, repairs or modifications must be carried out according to the
General Engineering Standards by a competent electrician.
Only original spare parts must be used. Always demand a detailed confirmation by the person in
charge (company, date, signature) on the kind and volume of the tasks carried out.
10. Disposal of Old Units
GFL will take responsibility, within the scope of the legal directives, for an environmentally
sound handling and disposal of all used GFL units as of the production year 1995 that are
returned to us free of charge and will have it materially recycled. Before the unit is returned, a
legally binding declaration must be provided from the sender confirming that the unit is free from
harmful and/or hazardous contaminations as well as from hazardous substances caused by the
previous use of the unit.
GFL laboratory apparatus are exclusively designed for industrial use and may not be
disposed of through public waste disposal authorities.
EAR Registration Number WEEE-ID.NO.DE 67770231
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France : web: www.conatex.fr – Email: info@conatex.fr
Suisse : web : www.conatex.com – Email : info@conatex.com
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