A.O. Smith 120 through 250 Series - Manual (Page 33)

Instruction manual BFC 33
is
Optionally, it is possible to connect an isolating transformer, a continuous pump,
a program-controlled pump, an extra ON mode switch and an extra alarm signal
to the appliance. For these options, see:
•
Isolating transformer ;
• Connecting continuous pump ;
• Connecting a program-controlled pump ;
• Connecting an extra ON mode switch ("Tank ON") ;
Note
The optional components are not included in the rating for electrical power
consumption stated in the table (3.4.2 "General and electrical specifications") .
3.10.2 Preparation
Attention
The appliance is phase-sensitive. It is absolutely essential to connect the
mains phase (L) to the phase of the appliance, and the mains neutral (N) to the
neutral of the appliance.
Attention
There may 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
(3.10.4 "Isolating transformer") .
For more information or to order this 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
Legend
A. screws
B. protective cap
C. connector block
24
1
A
B
C
A
IMD-0077 R2