LP-454 Rev. 004 Rel. 002 Date 12.1.17
7
1. a. Indoor Installation Area (Mechanical Room) Operating
Conditions
• Ensure ambient temperatures are higher than 32
o
F / 0
o
C and
lower than 140
o
F / 60
o
C
• Prevent the air from becoming contaminated by the
products, places, and conditions listed in this manual
• Avoid continuously high levels of humidity
• Never close existing ventilation openings
• Ensure a minimum 1” clearance around hot water and
exhaust vent pipes
This water heater has a condensate disposal system that may freeze
if exposed to sustained temperatures below 32
o
F. Precautions
should be taken to protect the condensate trap and drain lines
from sustained freezing conditions. Failure to take precautions
could result in property damage, severe personal injury, or death.
b. Outdoor Installation
• Heater must be placed in an area where the exhaust plume
will not be recirculated into the louver system located on the
front access panel. Avoid fences or walls that extend above
the exhaust vent termination. Pipe the exhaust vent so that
it terminates level with or above the fence, wall, or enclosed
area.
• Do not install heaters in locations where rain from building
runo may spill onto the heater. Doing so could result in
premature product failure. Such failures ARE NOT covered
by warranty.
• Do not locate where sprinklers may spray directly onto the
heater cabinet and possibly into the louvers, which could
damage the control system and internal components of the
water heater. Such damages ARE NOT covered by warranty.
• Do not install directly on the ground, as the water heater
is heavy when lled with water. Install the heater level on
a concrete pad, block, or pressure treated wood platform,
designed to support the weight of the water heater and
components when lled with water. The water heater must
be properly supported and installed level in order to operate
and drain condensate properly.
• Do not install the water heater under a deck or porch.
• Do not install the water heater in a well, stairwell, alcove,
courtyard, or other recessed area.
• Do not install the water heater on stack frames.
• In areas where heater is exposed to sustained temperatures
below 32
o
F, provisions must be made to protect the water
heater, condensate lines, and piping from freezing. The
use of heat tape is recommended to avoid freezing. It is
also recommended to bush up the condensate line size to
1” and terminate condensate discharge line as close to the
unit as possible. Longer condensate runs are more prone to
freezing.
• Locate heater at least 10’ away from any forced air inlet.
Maintain a clearance of at least 48” below or horizontal from
any window, door, walkway, or gravity air intake. Never place
heater under a porch.
• In areas where it can get extremely hot (over 100
o
F, it is
recommended to install the heater in an area that avoids
direct sunlight to keep the internal components cooler.
Failure to follow this instruction could lead to premature
failure. Such failures ARE NOT covered by warranty.
Figure 1 - Outdoor Installation Recommendations
2. Check for nearby connections to:
• System water piping
• Venting connections
• Gas supply piping
• Electrical power
• Condensate drain
3. Check area around heater. Remove any combustible materials,
gasoline, and other ammable liquids.
Failure to keep the water heater area clear and free of combustible
materials, liquids, and vapors can result in substantial property
damage, severe personal injury, or death.
When installing the heater outdoors, ensure the installation location is
not near the exhaust or intake terminations of other gas-red products
– boilers, water heaters, furnaces, etc. Failure to do so could result in
the recirculation of exhaust fumes. Exhaust recirculation could result
in a hazardous condition and cause substantial property damage,
severe personal injury, or death.
This water heater must be installed upright in the vertical position as
described in this manual. DO NOT attempt to install this water heater
in any other orientation. Doing so will result in improper water heater
operation and property damage, and could result in serious personal
injury or death.
The service life of the water heater’s exposed metallic surfaces, such
as the casing, as well as internal surfaces, such as the heat exchanger,
are directly inuenced by proximity to damp and salty marine
environments. In such areas higher concentration levels of chlorides
from sea spray coupled with relative humidity can lead to degradation
of water heater components. In these environments, heaters must
not be installed using direct vent systems which draw outdoor air
for combustion. Such heaters must be installed using room air for
combustion. Indoor air will have a much lower relative humidity, and
hence potential corrosion will be minimized.
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