Unvented hot water cylinder – SCxn…d/i, SCxn…sd/si
Page 13 of 28
ST0109 – C 05/09
WATER
Note: The cylinder must be filled with water before switching on the immersion
heater. Failure to do so will damage the element and void any guarantee on the
product.
5.6 Indirect heating loop
The indirect heating source can be connected to the cylinder in various ways as de-
scribed by the chosen control system supplier. The wiring and installation principles for
two typical integration methods are detailed in chapter 5.11.
Figure 8 – indirect heating loop installation
To conform with building regulations it is imperative that the motorised two port valve
is installed in the indirect heating loop and connected into the control circuit as required.
08
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