SKE4-E Steam Humidifier
Installation Instructions and User Manual
Page | - 34 -
Electrical Connections
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.
P
H
A
SE
1
P
H
A
SE
2
P
H
A
SE
3
GND
Three Phase
Connection
GND
P
H
A
SE
1
P
H
A
SE
2
One Phase
Connection
L2
L3
L1
L1
L2
Disconnect
Switch
Illustration 35 - One and Three Phase Power Connections
