LP-179 Rev. 6.7.16
7
This water heater is certied for indoor use only. DO NOT
INSTALL OUTDOORS. Outdoor installations ARE NOT
covered by warranty. Failure to install the water heater
indoors could result in property damage, severe personal
injury, or death.
A. Locating the Water Heater
1. Installation Area (Mechanical Room) Operating Conditions
• Ensure ambient temperatures are higher than 32
o
F /
0
o
C and lower than 104
o
F / 40
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
• NOTE: To prevent condensing in the fan, it is
recommended to avoid prolonged exposure to
temperatures below 45
o
F
Incorrect ambient conditions can lead to damage to the
heating system and put safe operation at risk. Ensure that
the installation location adheres to the information included
in this manual. Failure to do so could result in property
damage, serious personal injury, or death. Failure of heater
or components due to incorrect operating conditions IS NOT
covered by product warranty.
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.
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.
High heat sources (generating heat 100
o
F / 37
o
C or greater, such
as boiler ue pipes, space heaters, etc.) may damage plastic
components of the water heater as well as plastic vent pipe
materials. Such damages ARE NOT covered by warranty. It is
recommended to keep a minimum clearance of 8” from high
heat sources. Observe heat source manufacturer instructions,
as well as local, state, provincial, and national codes, laws,
regulations, and ordinances when installing this water heater
and related components near high heat sources.
4. Gas control system components must be protected from
dripping water during operation and service.
5. If the heater is to replace an existing heater, check for and
correct any existing system problems, such as:
• System leaks
• Location that could cause the system and heater to
freeze and leak
• Incorrectly sized expansion tank
6. Clean and ush system when reinstalling a heater.
NOTE: When installing in a zero clearance location, it may
not be possible to read or view some product labeling. It is
recommended to make note of the heater model and serial
number.
NOTE: A combustible door or removable panel is acceptable
front clearance.
Locate the water heater where any leakage from the relief valve,
related piping, tank, or connections will not result in damage
to surrounding areas or lower oors of the building. The water
heater should be located near a oor drain or installed in a drain
pan. Leakage damages ARE NOT covered by warranty.
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.
Failure of the water heater or components due to incorrect
operating conditions IS NOT covered by product warranty.
B. Leveling
In order for the condensate to properly ow out of the collection
system, the area where you locate the heater must be level.
Location must also fully support the weight of the lled water
heater.
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.
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