7
Internal unit
1800
134
159
454
564
666
680
1803
1829
600
405
147
69
62
300
387
475
29
506
Fig. 1
A
Opening for LV leads < 42 V
B
DHW
C
DHW circulation
D
Opening for 230 V cables
E
Cold water
F
Liquid line
G
Hot gas line
H
Heating water flow
K
Heating water return
Connection sizes for hydraulic connections
Pos.
Sym-
bol
Meaning
Connection to the internal unit
B
–
DHW
Rp
¾
C
–
DHW circulation
G 1
E
–
Cold water
Rp
¾
Preparing for installation
Requirements regarding on-site connections
5700 562 GB
Installation