A.O. Smith 101 Series Service Handbook

Servicing should only be performed by a Qualified Service Agent
19
OPERATION & SERVICE
Single Phase Wiring - 4 Pole Contactor
The illustrations below show how six wire heating elements (page 17) are wired to 4 pole
contactors on water heaters connected to a single 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
4 Pole
Contactor
Three loops
of one heating element
Single phase (1Ø)
power supply
Models configured for
single phase power (1Ø)
and equipped with 4 pole
contactors will have two
jumper wires. One
between the 1st and 3rd
poles of the contactor
and one between the 2nd
and 4th poles of the
contactor.

A.O. Smith 101 Series Specifications

General

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