44
Installation
2582302_C_EN_1611
Nortec EL
5.8.3 External Connections
The different external connections to the Nortec EL steam humidifier are discussed below.
5.8.3.1
3-Phase Power Supply Connection
Figure 26
shows the 3-phase power supply connections for the Nortec EL steam humidifier.
IMPORTANT!
The optional internal fuse is not a substitute for an external fuse. A dedicated
external fused disconnect switch must be installed, and the fuse rating must not exceed the
maximum circuit protection indicated on the specification label – refer to
Figure 3 on page 9
.
All wiring must be in accordance with national and local electrical codes.
Figure 26:
External
X0
s
s
s
L1
L2
L3
2
3
1
3-Phase Power Supply Connections
1 External fused disconnect switch
2 Terminal block, power supply (X0)
3 Optional internal primary fuse