Requirements Regarding On-Site Connections; 1-Stage: Type Bw 301.A - Viessmann Vitocal 300-G Series Installation And Service Instructions Manual

Requirements regarding on-site connections

1-stage: Type BW 301.A

<42 V
230 V~
400 V~
C B
D
540
270
230
100
D C B
<42 V 230 V~
400 V~
780
Fig. 1
A
A
Secondary circuit return
A
+
Secondary circuit flow
B
+
Primary circuit flow (heat pump brine in-
C
let)
Primary circuit return (heat pump brine
D
outlet)
Preparing for installation
9