A.O. Smith 52 User Manual

18
WIRING DIAGRAMS
CONVERSION TO SINGLE PHASE
When the heater is shipped for connection to a three-phase
electrical service, it may be connected to a single-phase
electrical service of the same voltage by:
1. Disconnect blue wires and yellow wires from terminal L3.
2. Reconnect all blue wires to terminal L1 (with black wires).
3. Reconnect all yellow wires to terminal L2 (with red wires).
4. Connect incoming power to terminals L1 and L2.
CONVERSION TO THREE PHASE
When heater is shipped for connection to a single-phase
electrical service, it may be connected to a three-phase
electrical service of the same voltage by:
1. Disconnect blue wires from terminal L1.
2. Disconnect yellow wires from terminal L2.
3. Reconnect all blue wires and yellow wires to terminal L3.
4. Connect incoming power to terminals L1, L2, and L3.
Figure 7. Nine Element - Single and Three Phase
Printed on 2/8/2018 9:05 AM CT

A.O. Smith 52 Specifications

General

Brand	A.O. Smith
Model	52
Category	Water Heater
Language	English