Power Supply Connection To Boiler Control (Vd2/Vd2A/Ct3 Only) - Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual

Installation
Power Supply Connection, Boiler Control (VD2/VD2A/CT3 only)
82
Legend
L: Line
N: Neutral
G: Ground
A Power supply 120 VAC, 1 PH .
Provide disconnect means and
overcurrent protection as per local
codes
B Terminals [40]
C Connection enclosure
1. Ensure that the main power supply
to the control contains overcurrent
protection with a maximum rating
of 15 A and 2 pole disconnect.
CAUTION
The control must be grounded.
Ensure that "L", "N" and "G" are not
interchanged.
2. Connect power supply wire to the
Connection fÖ terminals 11, N and
G on the DIN rail inside the
connection enclosure.