Power Supply - Viessmann VITOTRONIC300 Installation And Service Instructions Manual

Installation Sequence

Power Supply

Legend
L: Line
N: Neutral
G: Ground
A Power supply 120VAC, 1PH, 60Hz, provide
disconnect means and overcurrent protection
as per local codes
B Terminals N, G and 11 (in junction box)
C Junction box
40
Vitotronic 300, GW2B Installation and Service
1. Ensure that the main power supply to the control
contains overcurrent protection with a minimum
rating of 15A disconnect.
WARNING
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
junction box.