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Service Manual
Please read before proceeding
Installer – Read all instructions,
including this manual and the Armor
Water Heater Installation and Operation
Manual, before installing. Perform steps
in the order given.
Have this water heater serviced/inspected
by a qualified service technician at least
annually.
Failure to comply with the above could
result in severe personal injury, death or
substantial property damage.
When calling or writing about the water heater –
Please have the water heater model and serial
number from the water heater rating plate.
Consider piping and installation when
determining water heater location (see the
Armor Water Heater Installation and Operation
Manual).
Any claims for damage or shortage in shipment
must be filed immediately against the
transportation company by the consignee.
3
Handling ceramic fiber materials
REMOVAL OF COMBUSTION CHAMBER LINING
The combustion chamber insulation in this appliance
contains ceramic fiber material. Ceramic fibers can be
converted to cristobalite in very high temperature
applications. The International Agency for Research on
Cancer (IARC) has concluded, “Crystalline silica in the
form of quartz or cristobalite from occupational sources
is carcinogenic to humans (Group 1).” Normal
operating temperatures in this appliance are below the
level to convert ceramic fibers to cristobalite. Abnormal
operating conditions would have to be created to
convert the ceramic fibers in this appliance to
cristobalite.
The ceramic fiber material used in this appliance is an
irritant; when handling or replacing the ceramic
materials it is advisable that the installer follow these
safety guidelines.
¢ Avoid breathing dust and contact with skin
and eyes.
• Use NIOSH certified dust respirator (N95).
This type of respirator is based on the OSHA
requirements for cristobalite at the time this
document was written. Other types of
respirators may be needed depending on the job
site conditions. Current NIOSH recommendations
can be found on the NIOSH website at
http://www.cdc.gov/niosh/homepage.html.
NIOSH approved respirators, manufacturers, and
phone numbers are also listed on this website.
• Wear long-sleeved, loose fitting clothing, gloves,
and eye protection.
¢ Apply enough water to the combustion chamber
lining to prevent airborne dust.
¢ Remove the combustion chamber lining from the
water heater and place it in a plastic bag for disposal.
¢ Wash potentially contaminated clothes separately
from other clothing. Rinse clothes washer
thoroughly.
NIOSH stated First Aid.
¢ Eye: Irrigate immediately.
¢ Breathing: Fresh air.
ƽ WARNING
NOTICE
ƽ WARNING
When servicing water heater –
• To avoid electric shock, disconnect
electrical supply before performing
maintenance.
• To avoid severe burns, allow the water
heater to cool before performing
maintenance.
Water heater operation –
• Do not block flow of combustion or
ventilation air to the water heater.
• Should overheating occur or gas supply
fail to shut off, do not turn off or
disconnect electrical supply to
circulator. Instead, shut off the gas
supply at a location external to the
appliance.
• Do not use this water heater if any part
has been under water. The possible
damage to a flooded appliance can be
extensive and present numerous safety
hazards. Any appliance that has been
under water must be replaced.