Connecting A Burner - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

Connecting a burner

Pressure jet oil/gas burner
The burner cables are included in the
standard boiler delivery.
Connect the burner according to DIN
4791 [or local regulations].
B
fA
STB
TR
L1 N T1 T2 S3 B4
M
A To the control unit
M To the burner
Burner without plug
Install the mating plug from Viessmann
or from the burner manufacturer; con-
nect the burner cable.
Atmospheric burner
The burner cables are included in the
standard boiler delivery.
Installation sequence
Max. current drawn 4 (2) A.
Terminal markings
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 thermostat
H1 Burner fault signal
BZ Hours run meter
Max. current drawn 4 (2) A.
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