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5793 309 - 05
Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
Power Supply
Power Supply
WARNING
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 minimum
rating of 12A and 2-pole disconnect.
2. Connect power supply wire to the connection fÖ
terminals 11, N and G on the DIN rail inside the
junction box.
Legend
L: Line
N: Neutral
G: Ground
A Power supply 120VAC, 1PH, 60Hz, 12FLA
provide disconnect means and overcurrent protection
as per local codes
B Terminals N, G and 11 (in junction box)
C Junction box
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