JBL ProCristal UV-C Compact 5W Manual page 19

Carefully pull out the quartz glass cylinder (4) with the union nut (4 b) and sealing collar (4 a) in a
longitudinal direction.
Take o the bulb cap (3 b) and the protective ring (3 a) and pull the bulb out of its socket in a
longitudinal direction.
Insert the new bulb in the reverse direction. Always touch the glass of the bulb with a soft cloth.
Never touch it with your bare hands!
Return the protective ring (3 a) to the foot of the bulb and the bulb cap (3 b) to the end of the
bulb. The bulb cap ensures the centering of the bulb inside the quartz glass cylinder.
Check the quartz glass cylinder for damage. Should you nd any, please replace the cylinder.
Grease the sealing collar (4 a) with commercially available petroleum jelly (Vaseline) and insert the
quartz glass cylinder into position.
Fasten the union nut so that there is a gap of approx. 1mm between the tab for the locking screw
and the locking screw. Screw the locking screw back in.
Close the device and return it to its previous position. Put it into operation as described in point 2)
and 3).
Replacing the glass sleeve in the casing
In case the glass sleeve with re ector inside the casing (5) is damaged, it can be replaced:
Open the device as described in point 4).
Remove the locking screw (5 a) at the casing (5) and open the casing body by turning it anti-
clockwise. After a longer operating period it can happen that the lubricant at the O-ring (5 b) has
dried out and that more e ort is needed to turn it.
Remove the damaged glass sleeve with re ective foil (5 c) in a longitudinal direction and replace
it with a new one.
At the same time replace the pro le seals (5 d) at both ends of the glass sleeve. They are enclosed
with the new glass sleeves.
Grease the O-ring (5 b) at the front of the casing with commercially available petroleum jelly
(Vaseline) and turn the casing body with its new glass sleeve onto the front part of the casing.
Turn it until there is a gap of approx. 1 mm between the edge of the casing body and the position
of the locking screw.
Retighten the locking screw.
Close the device and return it to its previous position. Put it into operation as described in point 2) and 3).
Coupling of 2 devices
With the coupling piece JBL PROCRISTAL QuickConnect, available as an accessory, two devices
can be connected to one space-saving unit with double output.
Important note about the operation time
When using medications in aquariums and in the garden pond the UVC appliance must be
switched of during the duration of use. Otherwise the medications could be divided into ine ec-
tive components.
The use of UVC appliances can also a ect the e ectiveness of modern fertilizer preparations, vita-
mins etc. in freshwater aquariums. Therefore the continuous use of UVC water clari ers in freshwa-
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