Table of Contents
Advertisement
discharge!
CATHODIC PROTECTION
Hydrogen gas can be produced in a hot water
system that has not been used for a long period of
time (generally two weeks or more). Hydrogen
gas is extremely flammable.
possibility of injury under these conditions, we
recommend the hot water faucet be open for
several minutes at a sink close to the water heater
before you use any electrical appliance which is
connected to the hot water system. If hydrogen is
present, there will be an unusual sound such as air
escaping through the pipe as the hot water begins
to flow. There should be no smoking or open
flames near the faucet at the time it is open.
ELECTRICAL CONNECTIONS
All installation
procedures involving electric
power connection should only be performed by a
trained, certified electrician.
HINGED DOOR
TO ELECTRICAL
COMPARTMENT
FIG. 10 Electric Power Connections –
Electrical Control Panel – Round Models
FIG. 11 Electric Power Connections –
Electrical Control Panel – Square Models
To prevent the
The appliance, when installed, must be
electrically grounded in accordance with the
requirements
jurisdiction or in the absence of such
requirements, with the latest edition of the
National Electrical Code, NFPA No. 70.
When the appliance is installed in Canada, it
must conform to the CAE C22.1, Canadian
Electrical Code, Part 1 and/or local Electrical Codes.
1. Use copper conductors only.
ELECTRIC
ACCESS
2. The factory internal wiring is attached to a
3. Line voltage wire exterior to the appliance
ELECTRIC ACCESS
HINGED DOOR TO
4. To avoid serious damage, DO NOT energize
ELECTRIC CONTROL
COMPARTMENT
9
WARNING:
WATER HEATER IS
EQUIPPED FOR OPERATION ON ONE
VOLTAGE ONLY. Check the rating plate on
the front of the control panel access for the
correct voltage and phase. DO NOT use this
water heater with any other voltage other than
the voltage specified on the rating plate.
Failure to use the correct voltage can cause
problems
that can result in death, serious
bodily injury or property damage.
CAUTION:
DO NOT CONNECT THE
WATER HEATER TO AN IMPROPER
SOURCE OF ELECTRICITY!
of
between the appliance and field installed devices
shall be made with copper wire suitable for at
least 75° C (167° F) temperature rating. If the
wiring from an old water heater installation was
aluminum, replace the old wire with copper wire.
terminal block inside the unit. The branch
circuit is connected to the terminal block
through an opening provided on the top of the
water heater electrical access panel.
must be enclosed in approved conduit or
approved metal clad cable.
the appliance until the system is full of
water. Ensure that all air is removed from the
storage tank and piping before beginning
the
authority
having
All wiring
Advertisement
Table of Contents
