Direct Fired Heater Videos - Old Controls Pre 2016
after flipping the disconnect on bump
the motor starter as the blower wheel
starts to slow down verify that blower
rpms adjust achieves as necessary
check for 120 volts on the control
circuit terminal 2 will be the neutral
circuit and one will be the hot circuit
then check for correct voltage going to
the motor voltage can be checked from
the top of the starter as shown check
between each leg to verify that they are
once the voltages have been checked we
can verify they are correct by checking
the voltage on the wiring diagram
when verifying the amp draw it is
important that we check each leg as it
comes out of the bottom of the motor
each leg may not be exactly the same but
they should be relatively close if your
amp draws over the fla shown on the
wiring diagram check for possible causes