Diagrams; Wiring Diagram - A.O. Smith 300 Series Instruction Manual

CAUTION
Label all wires prior to disconnection when servicing controls.
Wiring errors can cause improper and dangerous operation. Verify
proper operation after servicing.

WIRING DIAGRAM

DIAGRAMS

DIAGRAMS
CCB J17
Low Voltage Field
CCB J5
CCB J16
Blower Logic
Low Voltage In
Transformer
Secondary
Power
Supply J1 Transformer
Primary
Figure 53. Wiring Schematic (Continued From Previous Page).
● Disconnect from electrical supply before
● If any of the origina wires supplied with
CCB J1
HIGH Voltage In
64
Electrical Shock Hazard
servicing unit. Replace all doors and
panels before operating heater.
the appliance must be replaced, it must
be replaced with appliance wire material
with minimum temperature rateing of
105°C and a minimum size of No. 18 AWG.
CCB J3