External Connection To Plug X12 - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

External connection to plug X12

!
Please note
'Live' contacts lead to short cir-
cuits or phase failure.
The external connections must
be zero volt.
A External start (zero volt contact)
External starting of the burner
(stage 1):
Connect the zero volt contact.
If the contact is closed, the first burner
stage is started and the boiler water
temperature is regulated by the con-
trol thermostat.
Burner connection
Pressure-jet oil/gas burners
Connect the burner in accordance with DIN 4791 [or local regulations].
The burner cables are included in the standard boiler delivery.
Max. current consumption 4 (2) A.
Installation sequence
Rated voltage: 230 V~
Rated current: 6 A~
Recommended H05VV F3G
connecting cable: 0.75 mm
2
15