LP-605 Rev. 000 Rel. 009 Date 8.16.18
9
Part 3 - Prepare the Water Heater Installation
Remove all sides of the shipping crate to allow the heater to be
moved into its installation location.
COLD WEATHER HANDLING - If the water heater has been stored
in a very cold location (BELOW 0
o
F) before installation, handle with
care until the components come to room temperature. Failure to
do so could result in damage to the water heater.
Carefully consider installation when determining heater location.
Please read the entire manual before attempting installation.
Failure to properly take factors such as heater venting, piping,
condensate removal, and wiring into account before installation
could result in wasted time, money, and possible property damage
and personal injury.
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
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 must be installed upright in the vertical position
as described in this manual: upright, with the exhaust vent adapter
in the vertical position. 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.
1. Installation Area (Mechanical Room) Operating Conditions
• Ensure ambient temperatures are higher than 32
o
F / 0
o
C and
lower than 114
o
F / 46
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
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.
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.
2. Check for nearby connections to:
• System water piping
• Venting connections
• Gas supply piping
• Electrical power
• Condensate drain
All water heaters eventually leak. 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. Such a drain pan must have a clearance of at
least 1.0” (2.5 cm) greater than any point on the water heater’s outer
jacket and must be piped to an adequate drain. Leakage damages
ARE NOT covered by warranty.
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.
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.
Do not connect the water heater to any heating systems or
components that have been previously used for non-potable
applications.
Do not introduce toxic chemicals, such as antifreeze or water heater
treatments, into the water heater or any piping meant for potable
water purposes.
Ensure that all piping and components connected to the water
heater are suitable for potable water applications.
Do not use this water heater for space heating applications.
Circulators suitable for DHW applications must be used.
7. When the appliance is installed directly on carpeting, the appliance
shall be installed on a metal or wood panel extending beyond the
full width and depth of the appliance by at least 3” (76.2 mm) in any
direction or, if the appliance is installed in an alcove or closet, the entire
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