SKE Steam Humidifier
Installation Instructions and User Manual
19
7.
Power supply connections
CAUTION
: RISK OF ELECTRIC CHOC. DISCONNECT THE HUMIDIFIER FROM THE ELECTRIC SUPPLY
BEFORE TO PROCEED TO 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.
The wiring to the Humidifier should be done by a qualified electrician, and conforming to the procedure,
regulation and local codes.
Use only coppers conductors.
An external over current protection and disconnect circuit breaker should be installed on the supply adjacent
to the humidifier.
A knock out (not supply) should be installed at the bottom of the electrical compartment of the humidifier for
strain relief of the supply cable.
Ensure that the size of the wire conductors is appropriate for the current supplied.
Ensure that each terminal connection is properly secured.
The ground conductor should be equipped with ring terminal and should be connected directly to the
electrical panel on the indicated location.
1 Phase Connection
(Illus. 31
3 Phases Connection
(Illus. 32)
L1 L2
P
H
A
S
E
2
P
H
A
S
E
1
GND
L1 L2 L3
P
H
A
S
E
2
P
H
A
S
E
3
P
H
A
S
E
1
GND