Viessmann Vitocal 222-A - Preparing for installation; Requirements for on-site connections

9
Indoor unit
1874
1904
1295 1448
1523
1598
1673
1748
1908
600
677
42
149
681
A
B
C
D
E
A BC D E
FG
A
B
C
D
E
FG
110
38
H
H
150
225
300
375
450
148
148
209
C D E
G
F
A B
Fig. 1
A
Heating water return G 1¼ (female thread)
B
Cold water G ¾ (female thread)
C
DHW circulation G ¾ (female thread)
D
DHW G ¾ (female thread)
E
Heating water flow G 1¼ (female thread)
F
Return, outdoor unit (heating water outlet) G 1¼
(union nut DN 32, female thread)
Preparing for installation
Requirements for on-site connections
5831412
Installation