Connecting An Ac Burner - Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

Connecting a central fault message facility
L N
50
Fig. 16

Connecting an AC burner

Pressure-jet oil/gas burner
■ The burner cables are included in the standard boiler
delivery.
■ Connect burner to DIN 4791.
■ Max. power consumption 6 (3) A
41
STB
TR
L1 N T1 T2 S3 B4
Fig. 17
To the control unit
A
To the burner
B
Plug terminal designations
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
:
fA
(cont.)
Rated voltage
Rated current
Signal flow direction:
Control unit burner
→
Signal flow direction:
Burner control unit
→
Plug equipment codes fA
STB Control unit high limit safety cut-out
TR Control unit temperature controller
H1 Burner fault signal
BZ Hours run meter
90
BN
BK
BU
Fig. 18
To the control unit
A
To the burner
B
Plug 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
Electrical connections
230 V~
Max. 4(2) A~
:
lÖ :
25