34
Installation
Hot water supply
Boiler connection
set with diverter
valve
The DHW control can be connected
to the ATAG XL W. For connection
and settings refer to the Boiler Control
chapter.
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When connecting a DHW cylinder
to the boiler before the low velocity
header an ATAG diverter valve is
recommended.
The circuit between the diverter valve
[1] between the boiler and cylinder
should be provided with an expansion
vessel [2].
1
2
Legend
1. Three way valve
2. Expansion vessel