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Unvented hot water cylinder – SCxn…d/i, SCxn…sd/si
Page 16 of 28
ST0109 – C 05/09
WATER
Figure 10 – Installation expansion vessel
(optional for standard SCxn d/i cylinders, mandatory for solar SCxn d/I cylinders)
It is important to check the pre-charge pressure of the expansion vessel mem-
brane before filling the cylinder. The pre-charge should be >2bar.
5.11 Wiring schematic auxiliary loop
The auxiliary heating system can be interfaced with the Dimplex SCxn cylinder in vari-
ous. Two common examples are given in Figures 11 and 12.
Before adapting one of the proposed systems ensure the system is compatible
with the remaining control equipment installed in the system.
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