Primary Circuit: Brine/Water, 2-Stage - Viessmann VITOCAL 300-G PRO Type BW 190 Installation And Service Instructions Manual

Primary circuit: brine/water, 1-stage
Electrical installation scheme
For a summary of electrical connections,
see from page 50 and separate "con-
nection and wiring diagram".

Primary circuit: brine/water, 2-stage

type BW 2150, BW 2180, BW 2250
Hydraulic installation scheme
20
22
27
21
--2/LP1 X3.8;3.9--
--2/211.1-- --2/224.2--
15 25
Preparing for installation
(cont.)
1
2
25