Connection Specifications
IMPORTANT: Connection must be made by a qualified
electrician using wiring diagram provided with ma-
chine, or according to accepted European Union stand-
ards.
Connect machine to an individual branch circuit not shared with
lighting or other equipment. Shield connection in a liquid-tight or
approved flexible conduit. Copper conductors of correct size
must be installed in accordance with National Electric Code
(NEC) or other applicable codes.
Use wire sizes indicated in the Electrical Specifications chart for
runs up to 50 feet [15 m]. Use next larger size for runs of 50 to
100 feet [15 to 30 m]. Use two sizes larger for runs greater than
100 feet [30 m].
Single-Phase Connections
For single-phase input, connect L1, L2 and Ground and cap neu-
tral as shown in
Figure 27
.
CHM2425N_SVG
1
3
4
2
1.
L1
2.
L2
3.
Ground
4.
Neutral [capped]
Figure 27
Three-Phase Connections
For three-phase input, connect L1, L2, L3 and Ground as shown
in
Figure 28
.
IMPORTANT: If a stinger leg is used for three-phase in-
put, it MUST be connected to L3.
CHM2407N_SVG
1
4
2
3
1.
L1
2.
L2
3.
L3
4.
Ground
Figure 28
Grounding
For personal safety and proper operation, the machine must be
grounded in accordance with state and local codes. If such codes
are not available, grounding must conform to the National Elec-
tric Code, article 250 (current edition). The ground connection
must be made to a proven earth ground, not to conduit or water
pipes.
WARNING
Electrically heated machines DO NOT require dual
power sources. Do not connect customer power or
customer load to the Internal Load Distribution ter-
minal block. Refer to the machine electrical schemat-
ic for details.
W759
Installation
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50
Part No. F8429301ENR15
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