OPERATION & SERVICE
Servicing should only be performed by a Qualified Service Agent
20
Three Phase Delta Wiring - 3 Pole Contactor
The illustrations below show how six wire heating elements (page 17) are wired to 3 pole
contactors on water heaters connected to a three phase power supply. See the “Contactors”
section of this manual - pages 34 - 38.
Heating Element Flange - End View
Two ends
of loop 1
Two ends
of loop 2
Two ends
of loop 3
Connection Diagram
Wiring Diagram
3 Pole
Contactor
Three loops
of one heating element
Note: each line
from the bottom
of the contactor
represents two
wiring leads from
a heating element
as shown in the
connection diagram
on the left.
Three phase (3Ø)
power supply
