26
Signal flow direction:
Control unit
→
burner
Signal flow direction:
Burner
→
control unit
Colour coding to IEC 60757:
BK Black
BN Brown
BU Blue
Burner without plug
Fit the mating plug from Viessmann or from the burner
manufacturer. Connect the burner cables.
Viessmann MatriX burner for Vitocrossal
■
The burner cables are included in the standard boiler
delivery.
■
Max. power consumption 6 (3) A
A
B
41
L
B4 S3T2 T1 N
41
L
B4
S3
T2
T1
N
Fig. 19
A
To the control unit
B
To the burner
Plug terminal designations
fA
:
L1
Phase via high limit safety cut-out to the burner
PE
Earth conductor to burner
N
Neutral conductor to burner
T1, T2 Control chain
S3
Burner fault terminal
B4
Hours run meter terminal
90
BN
BK
BU
A
T7T8
T6
90
T7T8
T6
B
BN
BK
BU
Fig. 20
A
To the control unit
B
To the burner
Terminal designations:
T6, T8 Control chain burner stage 2 ON or modulation
controller OPEN
T6, T7 Control chain burner stage 2 OFF or modula-
tion controller CLOSE
Colour coding to IEC 60757:
BK Black
BN Brown
BU Blue
Electrical connections
Connecting an AC burner
(cont.)
5863679
Installation
Summary of Contents for Vitotronic 11 CC1E
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