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41
Before starting installation, check the following
Install is accordance with relevant building and mechanical codes ,as well as any local state or
national regulation.
Item
Place the equipment away from flam-
mable materials and noncombustible ma-
terials (including parts of a building fin-
ished with these materials) as shown in
the right column.
Confirmation
Schematic illustration
(unit: inch)
Required clearances from
combustible
4.
Installation clearances
Caution
Min: 2"
Min: 3"
Min: 0.4"
Distance from the side wall
Distance from the rear wall
WARNING
In the USA, do not install the heater with the vent within 4 feet of any opening
into a building. In Canada, do not install the heater with the top of the vent
assembly within 10 feet any opening into a building.
Item
It is convenient to leave 8 inches or more
distance at both sides for inspection.
Leave 24 inches or more space in front
so as to facilitate inspection and repair of
the equipment.
Leave sufficient distance when installing
the water heater around permanent gas
cooking equipment which can produce
steam containing oily smoke.
Oils and fats may enter the equipment
through the air inlet, and cause fires. To
prevent this, use the method shown to
the right.
<An example of efficient placement to prevent oils
and fats entering in the water heater>
Confirmation
Schematic illustration
* The dividing plate should be of noncombustible
material of a width greater than the water heater.
Clearance from cooking equipment
(unit: inch)
24" or
more
8"
or
more
8"
or
more
Min: 3"
Min: 3"
Water
heater
Range
Exhaust hood
Dividing plate
For outdoor installation, locate the unit so
that the vent is 4 feets below 4 feets hori-
zontally from or 1 feet above any door,
window or gravity inlet into any building
or 3 feets above any forced air inlet.
(unit: inch)
Min: 4’
Min:3’
To Overhang
To any opening
To any opening
Door
Min:4’
Min: 3’
For forced
air opening
Suggested clearance
<Outdoor Installation>
<Indoor Installation>
Summary of Contents for N-084
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