56
Electrical
INSTALLATION INSTRUCTIONS
Gas Supply (cont.)
Electrical Wiring
DANGER: Shock Hazard – Before servicing
the water heater, turn off the electrical power to the
water heater at the main disconnect or circuit breaker.
Failure to do so will result in death or serious personal
injury.
WARNING: Field wiring connections and
electrical grounding must comply with local codes or,
in the absence of local codes, with the latest edition
of the National Electrical Code, ANSI/NFPA 70, or in
Canada, Canadian Electrical Code, CAN/CSA C22.1,
Part 1.
CAUTION:
Label all wires prior to
disconnecting
is recommended
. Wiring errors
can cause personal injury, product damage, and/
or dangerous operating conditions. Verify correct
operation after servicing.
NOTICES:
• D o not connect power until venting installation is
complete (see Venting Installation pages 34–46).
• Wait ninety (90) seconds after power is connected
for the first time to initiate operation of the water
heater.
Power Cord
• The electric power supply requirement for this water
heater is 120 VAC/60 Hz, 2 amps.
• A dedicated circuit is recommended for the water
heater. Do not connect to a GFCI or AFCI circuit.
Multiple units may be connected to a single circuit up
to the circuit rating.
• D o not use 3-prong to 2-prong adapters. Do not use
power strips or multiple outlet adapters.
• All direct-vent gas models come with a three-prong
power cord. Only use this power cord and a matching
grounded electrical outlet.
• All outdoor gas models do not come with a power
cord. Only hard-wire to an appropriate power outlet
with a ground terminal.
• Keep any excess length of the power supply cord on
the outside of the water heater.
• I f local codes require hard-wiring, see instructions
for “Hard-Wiring the Electrical Connections”
below.
Hard-Wiring the Electrical Connections
• Wiring should be performed by a qualified electrician
in accordance with local codes.
• The water heater requires a properly grounded
120 VAC/60 Hz dedicated power supply. Multiple
water heaters may be connected to a single circuit
up to that circuit’s rating.
•
DO NOT connect grounding wire to water pipes, gas
pipes, telephone cables, lighting conductor circuits, or
to any other grounding circuits that require a GFCI or
AFCI (arc fault circuit interrupter).
• A n ON/OFF switch must be provided and installed for
the incoming 120 VAC power supply.
• Wire the water heater exactly as shown in the wiring
diagram. This wiring diagram can also be found
inside the water heater cover panel.
• The green screw is provided in the enclosure for a
grounding connection.
• Connect the live wire to the black wire and neutral
wire to the white neutral wire.
High-Altitude Installation
The water heater is certified for installations up to
3,280 ft. (1,000 m) above sea level. The input rating of
this water heater is based on sea level operation. At
higher elevations, the actual input rate may be lower
than the value listed on the rating label.
NOTICES:
• For installations above 3,280 ft. (1,000 m) elevation,
contact a qualified service technician to make the
proper altitude adjustments. See pages 68 and 69 for
additional information.
CAUTION: Do not install this water heater
at elevations above 3,280 ft. (1,000 m) without the
proper adjustments. Please contact your installer,
local gas supplier, place of purchase, or the Rheem
Customer Service phone number listed on page 26 in
the “Call for Assistance” section.
Gas Supply
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