Wiring Diagrams - A.O. Smith RPV series Installation Instructions And Use & Care Manual

WIRING DIAGRAMS

The wiring diagrams for various models
are listed in this sec on. Locate the
one that corresponds with your model.
NOTICE: The correct wiring diagram for
your model can be found on the inside
of your water heater's cover.
The wiring diagrams are listed as
follows:
• 1 Chamber, 1 Element, 120 VAC
(see below).
1 Chamber, 1 Element, 120 VAC
Level
Detect
Moisture
Sense
TH-AUX
Control
TH-IN
Board
TH-OUT
Power
Supply
BLK
RED
GRN
USE COPPER CONDUCTORS ONLY WHEN
CONNECTING TO ELECTRICAL SERVICE.
• 1 Chamber, 1 Element, 240/208
VAC (see below).
• 1 Chamber, 1 Dual Element,
240/208 VAC, p. 30.
• 1 Chamber, 1 Element, 277 VAC,
p. 30.
• 2 Chamber, 2 Element, 240/208
VAC (other than 16kW, 18kW, or
14kW/208V), p. 31.
• 2 Chamber, 2 Element, 240/208
VAC (16 kW, 18kW and
14kW/208V only), p. 32.
GRN
3-Pin Conn.
RED
Relay 1
BLK Element
Relay 2
BLK
L1
RED
N
GRN
GRND
Ground
• 4 Chamber, 4 Element, 240/208
VAC, p. 33.
See also "Electrical Requirements" on
page 8.
1 Chamber, 1 Element, 240/208 VAC
Level
Detect
Moisture
Sense
TH-AUX
Control
TH-IN
Board
TH-OUT
Power
Supply
BLK
RED
GRN
USE COPPER CONDUCTORS ONLY WHEN
CONNECTING TO ELECTRICAL SERVICE.
Electric Tankless Water Heater
GRN
3-Pin Conn.
RED
Relay 1
BLK
Element
Relay 2
BLK
L1
RED
L2
GRN
GRND
Ground
• 29