A.O. Smith 101 Series Service Handbook

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

A.O. Smith 101 Series Specifications

General

Brand	A.O. Smith
Model	101 Series
Category	Water Heater
Language	English