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49-6000243 Rev. 0
9
Installation Instructions
INSTALLATION INSTRUCTIONS
The location chosen for the water heater must take
into consideration the following:
LOCAL INSTALLATION
REGULATIONS
This water heater must be installed in accordance
with these instructions, local codes, utility codes,
utility company requirements or, in the absence of
local codes, the latest edition of the National Electrical
Code. It is available from some local libraries or
can be purchased from the National Fire Prevention
Association, Batterymarch park, Quincy, MA 02169 as
booklet ANSI/NFPA 70.
POWER REQUIREMENTS
Check the markings on the rating plate of the water
heater to be certain the power supply corresponds
to the water heater requirements. NOTE: 208V
installations may experience lower performance.
LOCATION
The water heater and water lines should be protected
from freezing temperatures and high-corrosive
atmospheres. Do not install the water heater in outdoor,
unprotected areas.
Locate the water heater in a clean dry area as near as
practical to the area of greatest heated water demand.
Long uninsulated hot water lines can waste energy
and water. Unit must be installed in a level location.
If required, add shims under base of unit to level for
proper operation.
NOTE: This unit is designed for any common indoor
installation.
Make sure the water heater and hot water outlet pipe
are out of the reach of children to avoid tampering with
the controls or burn themselves on hot water outlet
pipe.
Moving the water heater or other appliances to provide
service to the water heater is not covered under
warranty.
CAUTION
Risk of Property Damage -
The water heater should not be located in an
area where leakage of the tank or connections
will result in damage to the area adjacent to it
or to lower floors of the structure. Where such
areas cannot be avoided, it is recommended
that a suitable catch pan, adequately drained, be
installed under the water heater.
LOCATION (Cont).
Avoid locations that are prone to dampness, high
humidity, moisture, or dust.
RECOMMENDED CLEARANCES:
There must be sufficient clearance between any
object and the top, rear and sides of the water
heater in the event service is needed. The controls
and plumbing connections at front of unit must have
clear access for operation and service.
Recommended Minimum Clearances:
12” above and below the water heater
6” in front and to both side of the water heater
CAUTION
Flammable materials should be
kept at minimum 24” away from the water heater.
THERMAL EXPANSION
If a check valve is present on the inlet water line,
it will create a “closed system.” Heating water in
a closed system creates an increase in pressure
within the water system because the pressure is not
able to dissipate in the main supply line. Referred to
as “thermal expansion”, the rapid pressure increase
can cause the relief valve to operate (releasing
water) during each heating cycle, potentially causing
premature failure to the valve or even the water
heater. The suggested method of controlling thermal
expansion is to install an expansion tank in the cold
water line between the water heater and the check
valve as shown in the following illustrations. Contact
your installing contractor, water supplier, or plumbing
inspector for additional information.
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