Burner Connection, Motor Power Supply - Viessmann VITOTRONIC300 Installation And Service Instructions Manual

Vitotronic 300, GW2B Installation and Service

Burner Connection, Motor Power Supply

Legend
A Burner motor power supply 120VAC, 1PH
B Connection terminals and plug inside
connection enclosure
C Cable and conduit- factory supplied
D Burner
E Motor starter
F Burner motor
G Connection enclosure on boiler control
CAUTION
The control must be grounded. Ensure that "L", "N" and
"G" are not interchanged.
1. Ensure that the main power supply to the control
contains overcurrent protection with a maximum
rating of 15A and 2 pole disconnect.
2. Connect power supply wire to the Connection fÖ
terminals 11, N and G on the DIN rail inside the
connection enclosure.
Supply power must be sufficient to cover both the 12A
control plus the required motor amperage.
Installation Sequence
53