![](/images/new-backgrounds/1060723/6072363x1.webp)
3
Installation | is |
|
4. Connect the power cord to the main switch.
Warning
Leave the appliance disconnected until you are ready to start it up.
5.If you do not need to make any more connections:
-Fit the cap on the electrical connection block.
-Fit the plastic covers onto the appliance.
3.10.4Isolating Transformer
An isolating transformer should be used if there is a case of “floating neutral”.
1.Refer to fitting instructions provided with the isolating transformer(1).
2.Connect phase (L), neutral (N) and earth (A) of the power cables to terminals 16 through 21 of the connector block as indicated in Table 3.10.
3.Fit the cables in the pull relief.
4.If you do not need to make any more connections:
-Fit the cap on the electrical connection block.
-Fit the plastic covers onto the appliance.
5.Connect the power cord to the main switch.
3.10.5Continuous pump
The continuous pump will start up as soon as mains power is connected to the appliance.
1.Connect phase (L), neutral (N) and earth (A) to terminals 7, 8 and 9 as indicated in Table 3.10.
2.Fit the cable in the pull relief.
3.If you do not need to make any more connections:
-Fit the cap on the electrical connection block.
-Fit the plastic covers onto the appliance.
3.10.6program-controlled pump
Switching on of the
1.Connect phase (L), neutral (N) and earth (A to terminals 10, 11 and 12 as indicated in Table 3.10.
2.Fit the cable in the pull relief.
3.If you do not need to make any more connections:
-Fit the cap on the electrical connection block.
-Fit the plastic covers onto the appliance.
3.10.7Extra ON mode switch (“Tank ON”)
Tank ON is a facility for connecting an external ON/OFF switch. In the OFF position, the programmed operating mode is active. In the ON position, the programmed operating mode is overruled, and the “ON mode” is active.
1.Connect cables (X1 and X2) to terminals 5 and 6 as indicated in Table 3.10.
2.Fit the cable in the pull relief.
1.Contact A.O. Smith for details of the correct isolating transformer.
32 | Instruction Manual BFC |