11
2-stage: Type BW 351.B + BWS 351.B
A
B
C
D
+
E
F
G
H
+
87
780
780
230
540
270
1026
230
540
270
773
773
300
400 V~
230 V~
< 42 V
400 V~
230 V~
< 42 V
903
988
1074
1086
100
400 V~
230 V~
< 42 V
903
988 1074
1267
100
1026 1086
400 V~
230 V~
< 42 V
B
C
F
G
H
E
D
A
Fig. 2
Type BWS on the left; type BW on the right
A
/
E
Secondary circuit return
B
/
F
Secondary circuit flow
C
/
G
Primary circuit flow (heat pump brine inlet)
D
/
H
Primary circuit return (heat pump brine outlet)
Siting and transport requirements
Transport
For handling purposes, the heat pump module can be
removed: See page 70.
Preparing for installation
Requirements regarding on-site connections
(cont.)
5855006
Installation