Connection And Wiring Diagram - Viessmann VITOCROSSAL Series Installation Instructions Manual

Connection and wiring diagram

Fig. 49
Outside temperature sensor
!
Flow temperature sensor for low loss header
?
(accessories)
Cylinder temperature sensor
%
sÖ Boiler circuit pump or butterfly valve with return
spring
Circulation pump, either:
sA
■ Circulation pump for cylinder heating
External heating circuit pump
■
■ DHW circulation pump
41