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Installer - Read all instructions in this manual before installing.
Perform steps in the given order.
User - This manual is for use only by a qualified heating installer
/ service technician. Have this water heater serviced / inspected
annually by a qualified service technician.
FAILURE TO ADHERE TO THE GUIDELINES ON THIS PAGE
CAN RESULT IN SUBSTANTIAL PROPERTY DAMAGE, SEVERE
PERSONAL INJURY, OR DEATH.
A. Operation and Installation Warnings
To avoid serious injury or death, read, understand, and follow all of
the precautions listed here.
Vapors from flammable liquids will explode and can cause a fire,
resulting in personal injury or death. The water heater has a burner
that can come on at any time and ignite vapors. DO NOT use or
store flammable liquids around the water heater.
Improper venting can cause a build-up of carbon monoxide.
Breathing carbon monoxide can result in brain damage or death.
DO NOT operate the water heater unless it is properly vented to
the outside and has an adequate fresh air supply for safe operation.
Inspect the exterior exhaust gas outlet port and fresh air inlet port
on a regular basis to ensure they are functioning properly.
A concentration of carbon monoxide as small as .04% (400 parts
per million) in the air can be fatal. When making high fire or low
fire adjustments, CO levels must be monitored using a calibrated
combustion analyzer such that a CO level of no more than 150
ppm is exceeded at any time during operation.
Adjusting the "low fire offset" or the "main flow restrictor" in small
increments can result in a significant increase in CO concentration.
To avoid serious injury or death, DO NOT make any adjustments to
the gas valve without monitoring the exhaust gases with a fully
functional and calibrated combustion analyzer.
The internal computer controlled regulator is preset by the
manufacturer and should not be adjusted by the installer.
This water heater must be installed by a licensed plumber, licensed
gas fitter, and/or professional service technician. Improper
installation and/or operation can cause a potentially hazardous
situation, which, if not avoided, could result in serious injury or
death, and will void the warranty.
The manufacturer cannot anticipate every circumstance that
might involve a potential hazard. Each installation has its own
specialized characteristics, requirements, and possible hazards.
Therefore, all possible incidents are not included in these
warnings. Proper and safe installation, operation, and service are
the responsibility of the professional service technician.
Proper care of the water heater is the user's responsibility. Ensure
the user carefully reads and understands the User's Information
Manual before operating and maintaining the water heater.
Make sure the user knows the location of the gas shut-off valve
and how to operate it. Immediately close the gas shut-off valve if
the water heater is subjected to fire, overheating, flood, physical
damage, or any other damaging condition that might affect the
operation of the unit. Have the water heater checked by a qualified
technician before resuming operation.
Do not power up the unit unless the gas and water supply valves
are fully opened. Make sure the fresh air intake port and exhaust
gas port are open and functional.
This water heater is certified for indoor installations only. The water
heater consists of gas ignition system components which must be
protected from water (dripping, spraying, etc.) during operation and
service. Carefully consider installation location and the placement
of critical components (circulators, condensate neutralizers, etc.)
before installing the water heater.
DO NOT allow children to operate this unit. DO NOT use this unit if
it does not appear to be operating correctly. A qualified technician
should service and inspect the water heater annually.
The water heater temperature is factory set to 120
avoid scalding, always check the temperature of the hot water
before bathing, showering, washing, etc. DO NOT adjust the water
temperature while the water heater is being used by other persons.
No one but a professional service technician should attempt to install,
service, or repair this water heater. There are no serviceable parts
which can be changed by the user / owner. User / Owner: Contact
the original professional service technician if the water heater needs
repair or maintenance. If the original technician is unavailable, ask
your gas supplier for a list of qualified service providers.
Keep the area around the water heater clean and free of all materials
that can burn. DO NOT store or place gasoline, oils, spray paint, or
other flammable products near the water heater.
DO NOT use spray paint, hair spray, or any other flammable spray
near the water heater or near the exterior fresh air intake port. DO
NOT place any items in or around the exterior exhaust gas outlet port
and/or fresh air inlet port that could restrict or block the flow in or
out of the vent system.
DO NOT store or place newspapers, laundry, or other combustible
items near the water heater or the exterior exhaust gas outlet and/
or fresh air inlet port.
The owner should inspect the system monthly for damage, water
stains, signs of rust, corrosion, and exhaust vent and air intake
blockage. If inspection of the unit shows signs of damage, the water
heater should be shut off until the problem is repaired by a qualified
technician.
After installation, all water heater safety devices should be tested.
This water heater is equipped with a three prong plug. It should
only be plugged directly into a properly grounded three prong
receptacle. DO NOT remove the ground plug from the plug.
Any claims for damage or shortage in shipment must be filed
immediately against the transportation company by the consignee.
This water heater provides a overheat shutdown limit. In the event
the water heater water exceeds the set point of the control limit, the
cutoff will trip and the water heater will shut down. Certain local
codes require additional temperature limits. In addition, certain
types of systems may operate at temperatures below the minimum
set point of the limit provided with the water heater. Contact the
manufacturer for additional overheat controls.
NOTE: If the water heater is exposed to the following, do not operate.
Immediately call a qualified service technician.
1. Fire
2. Damage
3. Water
Failure to follow this information could result in property damage,
severe personal injury, or death.
whl-605 Rev. 002 Rel. 000 Date 1.23.19
5
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C). To
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