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Gas Shut-off Valve
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Use & Care Manual
Tankless Unit
FOR YOUR SAFETY!
— Do not store or use gasoline or other
flammable vapors or liquids or other
combustible materials in the vicinity of this or
any otherappliance. To do so may result in an
explosion orfire.
— WHAT TO DO IFYOU SMELL GAS
●Do not try to light any appliance.
● Do not touch any electrical switch; do not
use any phone in yourbuilding.
● Immediately call yourgas supplier from a
neighbor’s phone. Follow the gas
supplier’s instructions.
● If you cannot reach yourgas supplier, call
the fire department.
● Do not return to yourhome until authorized
by the gas supplieror fire department.
—Improper installation, adjustment,
alteration, service ormaintenance can cause
property damage, personal injury, ordeath .
Referto this manual. Installation and service
must be performed by a qualified installer,
service agency orthe gas supplier.
!
WARNING: If the information in these instructions is not followed exactly,
a fire orexplosion may result causing property damage, personal injury or death.
!
The purpose of this manual is twofold: one, to provide the installerwith
the basic directions and recommendations forthe properinstallation and
adjustment of the water heater; and two, to the owner–operator, to
explain the features, operation, safety precautions, maintenance and
troubleshooting of the waterheater. This manual also includes a parts
list.
It is imperative that all persons who are expected to install, operate or
adjust this water heater read the instructions carefully so they may
understand how to perform these operations. If you don’t understand
these instructions orany terms within it, seek professional advice.
Any questions regarding the operation, maintenance, service or
warranty of this waterheater should be directed to the seller from whom
it was purchased. If additional information is required, refer to the
section on How to Obtain Service Assistance.
Do not destroy this manual. Please read carefully and keep in a safe
place forfuture reference.
Recognize this symbol as an indication of Important Safety
Information!
California Proposition 65 Warning: This product contains
chemicals known to the State of California to cause cancer, birth
defects orother reproductive harm.
!
!
Use & Care Manual
With Installation Instructions for the Installer
Printed in USA
Water Heaters
Residential Gas
Warning: This waterheater is not suitable for
use in manufactured (mobile) homes!
Tankless
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Warranty
Drain Tubing
Installing the water heater:
Proper operation of the water heater requires air for combustion and ventilation. Provisions for
combustion and ventilation air must comply with referenced codes and standards.
Combustion and Ventilation Air (Indoor Water Heater Only)
NOTICE: If the water heater is installed in
an unconfined space within a building of
conventional frame, masonry or metal
construction, infiltration air is normally
adequate for proper combustion and
ventilation. If the water heater is installed in
a confined space, provisions for combustion
and ventilation air must be made.
A confined space is one having a volume
of less than 50 cubic feet (1.4 cubic
meters) per 1000 Btuh of the aggregate
input of all appliances within that space.
The air must be supplied through two
permanent openings of equal area. One
is to be located within 12” (30 cm) above
the floor and the other is to be located
within 12” (30 cm) below the ceiling.
The minimum net free area of each opening
must not be less than one square inch (6.5
sq cm) per 1000 Btuh of the total input
rating of all the appliances in the
enclosure (but not less than 100 square
inches [650 cm
2
]) if each opening
communicates with other unconfined areas
inside the building. The above
requirements shall be used unless:
national, provincial, or local codes govern
the requirement for these air openings.
Buildings of unusually tight construction
shall have the combustion and ventilation
air supplied from outdoors, or a freely
ventilated attic or crawl space.
If air is supplied from outdoors, directly or
through vertical ducts, there must be two
openings located as specified above and
each must have a minimum net free area
of not less than one square inch
(6.5 sq cm) per 4000 Btuh of the total
input rating of all the appliances in the
enclosure.
If horizontal ducts are used to
communicate with the outdoors, each
opening must have a minimum net free
area of not less than one square inch
(6.5 sq cm) per 2000 Btuh of the total
input rating of all the appliances in the
enclosure. If ducts are used, the minimum
dimensions of rectangular air ducts shall
not be less than 3” (7.6 cm).
NOTICE: If the duct openings which supply
combustion and ventilation air are to be
covered with a protective screen or grille,
the net free area (openings in the material)
of the covering material must be used in
determining the size of the openings.
Protective screening for the openings MUST
NOT be smaller than 1/4” (0.64 cm) mesh to
prevent clogging by lint or other debris.
Corrosive Atmospheres
The air in beauty shops, dry cleaning
establishments, photo processing labs,
and storage areas for liquid and powdered
bleaches or swimming pool chemicals
often contains such halogenated
hydrocarbons.
An air supply containing halogenated
hydrocarbons may be safe to breathe,
but when it passes through a gas flame,
corrosive elements are released that
will shorten the life of any gas burning
appliance.
Propellants from common spray cans
or gas leaks from A/C and refrigeration
equipment are highly corrosive after
passing through a flame.
The water heater warranty is voided when
failure of the heater is due to operation in
a corrosive atmosphere.
NOTICE: The water heater
should not be installed near
an air supply containing
halogenated hydrocarbons.
DANGER: OUTDOOR
water heaters must not
be installed indoors or
in a confined space.
Install outdoor water
heaters outdoors only.
9
Inspect Shipment
Inspect the water heater for possible damage. Check the markings on the rating plate of
the water heater to be certain the type of gas supplied corresponds to the water heater
requirements. Verify all included parts are present (see below).
(Indoor models only)
Air openings
minimum 1 in
2
(6.5 cm
2
) per
1000 Btuh of
total input
Min. 3”
(7.6 cm)