LP-454 Rev. 004 Rel. 002 Date 12.1.17
38
Table 18 - Installation Checklist
Start-Up, Adjust, and Test Yes No
Has the water heater been started?
If necessary, has the water heater gas valve been adjusted?
Has the installation been customized per installation location requirements?
Have all customized system parameters been tested?
Has proper water heater operation been conrmed?
Final Installation Approvals
Signed by Technician Date
Part 13 - Maintenance
Allowing the water heater to operate with a dirty combustion
chamber will hurt operation. Failure to clean the heat exchanger
as needed by the installation location could result in water heater
failure, property damage, personal injury, or death. Such product
failures ARE NOT covered under warranty.
In unusually dirty or dusty conditions, care must be taken to keep
water heater cabinet door in place at all times. Failure to do so VOIDS
the warranty.
Hydrogen gas can build up in a hot water system served by this water
heater that has not been used for a long period of time (generally two
weeks or more). When opening a hot water faucet in a system that
has been out of use for a time, keep all ignition sources (electrical
appliances, open ame, etc.) away from the faucet. If hydrogen is
present, there will be a sound of air escaping as water begins to
ow. Allow the water to run for a few minutes to dissipate built up
hydrogen from the system. Failure to follow these instructions can
result in property damage, personal injury, or death.
The water heater requires minimal periodic maintenance under
normal conditions. However, in unusually dirty or dusty conditions,
periodic vacuuming of the cover to maintain visibility of the display
and indicators is recommended.
It is extremely important that whenever work is performed on the
plumbing system that either:
• The water heater is powered o, or,
• The water heater is valved o and isolated from the
plumbing system.
Failure to take these measures could result in a dry-ring condition.
The water heater must be full of water and the system fully purged
BEFORE powering the water heater. Performing any work in the
plumbing system without either powering o the water heater
or isolating the water heater through the use of shut-o valves
could result in a condition referred to as “dry-ring”. Dry-ring the
water heater will damage the heat exchanger, and could result in
property damage, serious personal injury, or death. Such damages
ARE NOT covered by water heater warranty.
Periodic maintenance should be performed once a year by a
qualied service technician to assure that all the equipment is
operating safely and eciently. The owner should make necessary
arrangements with a qualied heating contractor for periodic
maintenance of the heater. Installer must also inform the owner
that the lack of proper care and maintenance of the heater may
result in a hazardous condition.
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