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10 Connecting Electricity
This appliance must be electrically grounded in
accordance with local codes, or in the absence of
local codes, with the National Electrical Code, ANSI/
NFPA 70. In Canada, the latest CSA C22.1 Electrical
Code.
Consult a qualified electrician for the electrical
work.
10.1 Water Heater
• Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
• Electrostatic discharge can affect electronic
components.
Take precautions to prevent electrostatic
discharges from personnel or hand tools
during the water heater installation and
servicing to protect product’s electronic
control.
CAUTION
Electrical Shock Hazard
Do not connect the electrical power to the
appliance until all electrical wiring has been
completed.
Failure to do so may result in death or serious
injury from electrical shock.
WARNING
Breaker Installation
Mount a device which shuts off the electrical path
automatically (leakage breaker) to detect electrical
leakage.
Power Supply
• The electrical supply required by the Water
Heater is 120 VAC at 60 Hz.
The power consumption may be up to 332 W or
higher if using optional accessories.
Use an appropriate circuit.
• Tie the redundant power cord outside the Water
Heater. Putting the redundant length of cord
inside the Water Heater may cause electrical
interference and faulty operation.
NOTE
• Do not let the power cord contact
the gas piping.
• Do not disconnect the electrical
power when not in use. When the
power is off, the freeze prevention
in the Water Heater will not
activate, resulting in possible
freezing damage.
Ground
To prevent electrical shock, provide a ground with
An electrician should do this work.
NOTE
• Do not connect the ground to the
city water or gas piping.
• Do not tie the ground to a
telephone line.
10.2 Remote Controller
• Install the remote controller according to the
instructions on page 52-57.
• Only one the Remote Controller can be connected
to the Water Heater.
A malfunction may occur if two or more Remote
Controllers are connected.
• Install according to the National Electrical Code
and all applicable local codes.
• For extensions, a 26 ft (7.9 m) cord can be
purchased separately (Part #RC-CORD26).
• The Remote Controller Cord can be extened up
to 300 ft (91 m) by splicing the cord and using 18
AWG wire to extend the cord to the appropriate
length.
• Use a Y-shaped terminal with a resin sleeve.
Without the sleeve, the copper wire may corrode
and cause problems.
NOTE
• Do not connect the electrical power
to the Water Heater until the
Remote Controller installation is
complete.
• Be sure to hand tighten when
screwing to the terminal block.
Power tools may cause damage to
the terminal block.
Connecting the Remote Controller Cord
1. Check to make sure that the Remote Controller
Cord has plenty of slack in order to reach the
external connection terminal block.
2. Make sure the electrical power is disconnected
from the Water Heater.
Connecting Electricity
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