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CAUTION
A. BEFORE LOCATING THE WATER HEATER
WARNING
CAUTION
1. Installation Area (Mechanical Room) Operating Conditions
•
Ensure ambient temperatures are higher than 32ºF/0ºC and lower than 104ºF/40ºC.
•
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.
CAUTION
higher concentration levels of chlorides from sea spray coupled with relative humidity can lead to degrada-
tion of the heat exchanger and other water heater components. In these environments, water heaters must
not be installed using direct vent systems, which draw outdoor air for combustion. Such water 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.
WARNING
must be installed as described in this manual: upright, with the vent adapters 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.
PART 4
Prepare water heater location
Carefully consider installation when determining water heater location. Please
read the entire manual before attempting installation. Failure to properly take
factors such as water heater venting, piping, condensate removal, and wiring into
account before installation could result in wasted time, money, and possible prop-
erty damage and personal injury.
Incorrect ambient conditions can lead to damage to the heating system and put
safe operation at risk. Ensure that the water heater installation location adheres
to the information included in this manual. Failure to do so could result in prop-
erty damage, serious personal injury, or death.
Failure of water heater or components due to incorrect operating conditions IS
NOT covered by product warranty.
The service life of the water heater's exposed metallic surfaces, such as the
cabinet, as well as internal surfaces, such as the heat exchanger, are directly
influenced by proximity to damp and salty marine environments. Areas with
This water heater is certified for indoor installations only. Do not install the wa-
ter heater outdoors. Failure to install this water heater indoors could result in
substantial property damage, severe personal injury, or death. This water heater
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