11. Push the quartz tube further into the UV reactor until the rings are just inside the
reactor.
12. Partially screw the reactor plug onto the UV reactor.
13. Make sure that the quartz tube is lying against the reactor plug.
14. Place the tightening tool on the reactor plug.
15. If necessary, adjust the torque wrench to 20 Nm and place it on the tightening
tool. Tighten the reactor plug. 20 Nm is roughly equivalent to a half to three-
quarter turn.
Repeat this procedure for all quartz tubes.
Overtightening the coupling or not following the installation instructions
carefully may result in glass breakage or leakage.
4.7.2 Quartz tube breakages
Quartz tubes can break easily if handled roughly or carelessly. Should this happen, it
is important to remove all glass fragments from the system. Glass fragments may
impede the water flow, thus hindering the disinfection process.
To remove glass fragments from the reactor, complete the following steps:
1. Make sure that the power supply has been disconnected and that there is no
water pressure in the system.
2. Remove the broken quartz tube from the UV reactor.
3. Carefully remove all the glass fragments.
4. Check the underlying UV reactors and couplings.
If needed, further disassemble the UV reactor as follows:
1. Remove the blind plug from the rear side of the UV reactor.
2. Remove the quartz tube from the connected UV reactor and then remove the
coupling.
3. Remove the UV reactor from the bracket and shake it until it is empty.
4. Reassemble the UV reactor in the correct order (grease the coupling).
Always use the tightening tool adjusted to 20 Nm to loosen and tighten the reactor
plug.
Figure 4-10: Tightening tool
VitaLite
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