Automatic Circuit Protectors - A.O. Smith STE-1000 Installation, User And Service Manual

6.4 Automatic circuit
protectors
Installation, User and Service Manual STE
Note
The operation of an element depends on the actual water temperature, as measured by
the thermostat. An element can also be de-activated based on the water temperature.
The control unit is equipped with two automatic circuit protectors. The primary side
(400 kV) of the control current transformed has an automatic fuse and the control circuit
(230 V ) also has an automatic fuse.
AC
89