Power Supply - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Vitotronic 200, HO1B and 300-K, MW2C Installation/Service

Power Supply

Legend
L: Line
N: Neutral
G: Ground
A Power supply 120VAC, 1PH, 60 Hz,
(12 Amps - full load amperage)
provide disconnect means and overcurrent protection
as per local codes
B DIN terminals N, G and 11 (in junction box)
C Junction box
1. Ensure that the main power supply to the control
contains overcurrent protection with a minimum
rating of 12A and 2-pole 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.
IMPORTANT
Electrical installations must comply with the latest edition of:
In the U.S.A., the National Electrical Code (NEC),
ANSI/NFPA 70 and any other state, local codes and/or
regulations.
In Canada, the Canadian Electrical Code (CEC),
CSA C22.1 Part 1 and any other province, territory,
local codes and/or regulations.
Installation Sequence
27