Viessmann VITOTRONIC 300-K Instructions d'exploitation Page 27

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27
41
L B4S3T2T1N
41
Störung H1
BZ
N
PE
L1
STB
TR
L1 N T1 T2 S3 B4
A
To the control unit
B
To the burner
Terminal codes
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
Signal pass direction:
Control unit → burner
Signal pass direction:
Burner → control unit
Equipment codes
STB Control unit high limit safety cut-
out
TR Control unit temperature controller
H1 Burner fault signal
BZ Hours run meter
Burner without plug
Fit the mating plug from Viessmann or
from the burner manufacturer. Connect
the burner cable.
Installation, Vitotronic 100
Connecting the AC burner, type GC1B
(cont.)
5815 091 GB
Installation
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