Electrical Wiring; Gas Supply - Rheem RTGH-95DV Use And Care Manual

INSTALLATION INSTRUCTIONS

Gas Supply

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.

Electrical Wiring

DANGER:
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:
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, in the U.S., or Canadian Electrical Code,
CSA C22.1, Part 1, in Canada.
CAUTION:
disconnecting. Wiring errors can cause personal
injury, product damage, and/or dangerous operating
conditions. Verify correct operation after servicing.
NOTICES:
• Do 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.
• Do not use 3-prong to 2-prong adapters. Do not
use power strips or multiple outlet adapters.
56
(cont.)
Shock Hazard – Before
Field wiring connections
Label all wires prior to
NOTICES:
• For installations above 3,280 ft. (1,000 m)
elevation, contact a qualified service technician
to make the proper altitude adjustments. See
pages 67 and 68 for additional information.
• 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.
• 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.
• If 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).
• An 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.