Primary Circuit Type Ww 351.A18 + Type Bws 351.A18 (2-Stage) - Viessmann Vitocal 350-G Installation And Service Instructions Manual

Preparing for installation

Primary circuit type WW 351.A18 + type BWS 351.A18 (2-stage)

With two primary pumps
Hydraulic installation scheme
16
21
--F2--
--2/X3.8;3.9--
20
--2/224.2-- --2/211.1--
--F3--
25 15
17
22
23
24
--2/X3.8;3.9--
19
9 1
---------
27 26 28 2
26