Pumps 400 V; External Burner Start; Provisional Burner Operation - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Electrical connections
Connecting the pumps

Pumps 400 V~

L1 L2 L3 N PE
N L
C
B
M
A
3~
Fig.14
Pump
A
To the control unit
B
Contactor
C

External burner start

!
Please note
'Live' contacts lead to short circuits or phase fail-
ure.
The external connection must be potential-
free.
A
1 2
X12
Fig.15
External starting (floating contact)
A

Provisional burner operation

Insert jumper across terminals 1 and 2 of plug "X12".
1 2
X12
Fig.16
18
(cont.)
For switching the contactor
Rated current
Recommended connecting
cable
If the contact is closed, burner stage 1 is started and
the boiler water temperature is limited by the tempera-
ture controller.
Rated voltage
Rated current
Recommended connecting
cable
Burner stage 1 is started. The boiler water temperature
is limited by the temperature controller.
4(2) A~
2
H05VV-F3G 0.75 mm
or
H05RN-F3G 0.75 mm 2
230 V~
6 A~
2
H05VV-F3G 0.75 mm