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

Primary circuit: brine/water, 1-stage
Electrical installation scheme
For a summary of electrical connections, see from page 53 and separate "Con-
nection and wiring diagram".

Primary circuit: brine/water, 2-stage

Type
BW 302.A090BW 302.A120BW 302.A150BW 302.A180
BW 302.A250
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
29