39
Note
■ A 2-stage heat pump comprises the
heat pump stage 1
(type BW/WW 351.A07) and the heat
pump stage 2 (type BWS).
■ Connect the DHW cylinder return only
to heat pump stage 1.
■ The partial scheme can be integrated
into the system examples via the inter-
faces indicated.
Preparing for installation
Integration of 2-stage version
5609 667 GB
Installation