CAUTION: Risk of electric shock. Disconnect the humidifier from the electric
supply before proceeding with the connection.
WARNING: Risk of fire. Do not interchange the power terminal block designated
L1, L2 and L3 with low voltage terminal block designated 1, 2 and 3.
x The wiring to the humidifier must be done by a qualified electrician and must conform to
the procedure, regulation and local codes.
x Use copper conductors only.
x The humidifier is equipped with a built-in disconnect switch, to turn off the power without
opening any access doors.
x An external over current protection must be installed on the supply, adjacent to the
humidifier. It is also recommended to install a circuit breaker.
x To provide strain relief to the supply cable, install a knock-out (not supplied) at the bottom
of the electrical compartment of the humidifier.
x Ensure that the size of the wire conductors is appropriate for the current supplied.
x Ensure that each terminal connection is properly secured.
x Ensure that the ground conductor is equipped with a ring terminal and is connected
directly to the electrical panel.