Connecting The Modulating Burner, Single Boiler System - Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

Connecting the modulating burner, single boiler system

Connection to low temperature boiler with on-site modulation controller
Connect plug from the Vitotronic 100 to the
■ fA
burner.
■ Plug from the Vitotronic 100 via the modulation
lÖ
controller (on site) to
lÖ
Set the minimum temperatures at the higher ranking
■
control unit with the modulation controller 5 K higher
than the lower boiler water temperature.
A
B
41
STB
TR
L1 N T1 T2 S3 B4
Fig. 23
Plug to the control unit
A
Burner with base load ON
B
Reduce burner output (modulation controller).
C
Colour coding to IEC 60757
BK Black
BN Brown
BU Blue
Connection to Vitocrossal with on-site modulation controller
■ Connect plug from the Vitotronic 100 to the
fA
burner.
■ Plug lÖ of the Vitotronic 100 remains unallocated.
■ Connect plug of the burner to the on-site modula-
lÖ
tion controller.
on the burner
BU
BK
BN
C
D
BN
90
BK
BU
T6 T7 T8
E
Increase burner output (modulation controller).
D
Plug to the burner
E
Electrical connections
29