Connecting External Cables - Viessmann VITOCROSSAL Series Installation Instructions Manual

Connecting external cables

Information on connecting accessories
Accessory installation instructions supplied with
accessories.
Fig. 33
Plug 230 V~
Boiler circuit pump or butterfly valve with return
sÖ
spring (only with multi boiler system)
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
Circulation pump for cylinder heating
sA
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
28
40
L N
230V~
40
20
28
96
21
1
DHW circulation pump (accessories)
sK
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
B