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Instruction manual ADM 27
is
3.10.1 Preparations
Caution
The appliance is phase-sensitive. It is absolutely essential to connect the
mains live (L) to the live of the appliance, and the mains neutral (N) to the neutral
of the appliance.
Caution
There must also be no potential difference between neutral (N) and earth
( ). If this is the case, then an isolating transformer must be applied in the
supply circuit .
For more information or to order an isolating transformer, please contact A.O.
Smith Water Products Company.
The figure shows a view of the electrical connector block, and the table shows
the appropriate connections.
Connector block
1. In preparation, first remove the protective cover from the control column:
2. Undo the 4 screws (A).
3. Remove the protective cover (B) from the electrical part.
Legend
A. screws
B. protective cap
C. connector block
A
C
B
1
6
IMD-
0
1
3
4 R2