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Canadian Standards Association, 8501 East Pleasant Valley
Road, Cleveland, OH 44131, and both documents are available
from the National Fire Protection Association, 1 Batterymarch
Park, Quincy, MA 02269.
The appliance, when installed, must be electrically grounded
in accordance with local codes or in the absence of local
codes with the current edition of the National Electrical Code,
ANSI/NFPA 70.
LOCATION OF HEATER
The heater is design certified by the Canadian Standards
Association for installation with the following minimum clearances
between the water heater and combustible and non-
combustible construction are: 0 inches from side, 0 inches
from back, 6 inches (152 mm) from front of jacket to closet door
and 12 inches (30.5 cm) from top of jacket to combustible and
non-combustible material. Minimum vent clearance: 0 inches.
Provide 24 inches (61 cm) front clearance for servicing and
adequate clearance between the jacket top and ceiling for servicing
the flue area. Also see clearance for venting on pages 6 & 7.
WARNING
FAILURE TO HAVE REQUIRED CLEARANCES BETWEEN
WATER HEATER AND COMBUSTIBLE MATERIAL WILL
RESULT IN A FIRE HAZARD.
Adequate clearance for servicing this appliance should be
considered before installation, such as changing the anodes, etc.
When installing the heater, consideration must be given to proper
location. Location selected should be as close to the wall as
practicable and as centralized with the water piping system as
possible.
CAUTION
In cold climates provide protection against freeze-up.
THE HEATER SHOULD BE LOCATED IN AN AREA WHERE
LEAKAGE OF THE TANK OR CONNECTIONS WILL NOT
RESULT IN DAMAGE TO THE AREA ADJACENT TO THE
HEATER OR TO LOWER FLOORS OF THE STRUCTURE.
When such locations cannot be avoided, a suitable drain
pan should be installed under the heater, see Figure 1. The
pan should have a minimum length and width of at least
2 inches (51mm) greater than the diameter of the heater and
should be piped to an adequate drain. Drain pans suitable for
these heaters are available from your dealer or A. O. Smith Water
Products Company, 5621 W. 115th Street, Alsip, Illinois 60803.
WARNING
DO NOT INSTALL THIS WATER HEATER DIRECTLY ON A
CARPETED FLOOR. A FIRE HAZARD MAY RESULT.
Instead
the water heater must be placed on a metal or wood panel
extending beyond the full width and depth by at least 3 inches
(76.2mm) in any direction. If the heater is installed in a carpeted
alcove or closet, the entire floor shall be covered by the panel.
Also, see DRAINING.
WATER CONNECTIONS
Refer to Figure 1 for typical installation. A suitable pipe thread
sealant must be used to prevent leakage.
WATER (POTABLE) HEATING AND
SPACE HEATING
1. All piping components connected to this unit for space
heating applications shall be suitable for use with potable
water.
2. Toxic chemicals, such as those used for boiler treatment,
shall NEVER be introduced into this system.
3. This unit may NEVER be connected to any existing heating
system or component(s) previously used with a non-potable
water heating appliance.
4. When the system requires water for space heating at
temperatures higher than required for domestic water
purposes, a tempering valve must be installed. Please refer
to Figure 2 for suggested piping arrangement.
FIGURE 2.
Installation:
Do not install water heater
where flammable products will
be stored or used unless the
main burner and pilot flames are
at least 18" above the floor. This
will reduce, but not eliminate, the
risk of vapors being ignited by the
main burner or pilot flame.