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power is used, you should divide the units across the different phases. For example, you could install six
heaters at two per phase.
You can refer to the following table for more information on what cable should be used for single and dual
element heaters.
Model
ALF 20
ALF 30
ALF 40
ALF 50
ALF 60
ALF 80
Elements
Single
Single
Single
Dual
Dual
Dual
Cable core
3-core
3-core
3-core
5-core
5-core
5-core
Cable wire size
2.5mm
2
2.5mm
2
2.5mm
2
2.5mm
2
4mm
2
4mm
2
Cable type
NYMJ
NYMJ
NYMJ
NYMJ
NYMJ
NYMJ
Refer to the following diagrams for more information on the wiring for both single and dual element
heaters.
Single element wiring
(ALF 20,30, 40)
