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LIGHTING INSTRUCTIONS
These models have an automatic hot surface ignition system
mounted on the combustion chamber panel inside the front
jacket. This hot surface igniter ignites the main burner gas
whenever the system control calls for heat.
Before proceeding with operation of the unit, make sure the
boiler and system are filled with water and all air is expelled
from the boiler, radiator tank(s) and piping.
WARNING
THE MAIN MANUAL GAS SHUT-OFF VALVE MUST HAVE BEEN
CLOSED FOR AT LEAST FIVE (5) MINUTES BEFORE LIGHTING.
This waiting period is an important safety step. Its purpose is
to permit gas that might have accumulated in the combustion
chamber to clear. IF YOU DETECT GAS AT THE END OF THE
PERIOD DO NOT PROCEED WITH LIGHTING. RECOGNIZE THAT
GAS ODOR, EVEN IF IT SEEMS WEAK, MAY INDICATE PRESENCE
OF ACCUMULATED GAS SOMEPLACE IN THE AREA WITH A RISK
OF FIRE OR EXPLOSION.
WARNING
THERE IS A RISK IN USING FUEL BURNING APPLIANCES SUCH
AS GAS WATER BOILERS IN ROOMS, GARAGES OR OTHER
AREAS WHERE GASOLINE AND OTHER FLAMMABLE LIQUIDS
ARE USED OR STORED, OR ENGINE-DRIVEN EQUIPMENT OR
VEHICLES ARE STORED, OPERATED OR REPAIRED.
FLAMMABLE VAPORS ARE HEAVY AND TRAVEL ALONG THE
FLOOR AND MAY BE IGNITED BY THE BOILER'S MAIN BURNER
FLAMES CAUSING FIRE OR EXPLOSION. Some local codes
permit operation of gas appliances if installed 18 inches or more
above the floor. This may reduce the risk if location in such an
area cannot be avoided.
TEMPERATURE REGULATION
DANGER
HOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC
DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD
BURNS RESULTING IN SERIOUS PERSONAL INJURY AND/
OR DEATH. THE TEMPERATURE AT WHICH INJURY OCCURS
VARIES WITH THE PERSON'S AGE AND TIME OF EXPOSURE.
THE SLOWER RESPONSE TIME OF CHILDREN, AGED OR
DISABLED PERSONS INCREASES THE HAZARDS TO THEM.
NEVER ALLOW SMALL CHILDREN TO USE A HOT WATER TAP,
OR TO DRAW THEIR OWN BATH WATER. NEVER LEAVE A
CHILD OR DISABLED PERSON UNATTENDED IN A BATHTUB
OR SHOWER.
THE WATER HEATER SHOULD BE LOCATED IN AN AREA
WHERE THE GENERAL PUBLIC DOES NOT HAVE ACCESS TO
SET TEMPERATURES.
It is recommended that lower water temperatures be used to
avoid the risk of scalding. It is further recommended, in all cases,
that the water temperature be set for the lowest temperature
which satisfies the user's hot water needs. This will also provide
the most energy efficient operation of the water heater and
minimize scale formation.
SETTING THE WATER HEATER TEMPERATURE AT 120°F WILL
REDUCE THE RISK OF SCALDS. Some states require settings
at specific lower temperatures. Table 1 below shows the
approximate time-to-burn relationship for normal adult skin.
Table 1: Risk of Scalds
Temperature Time to Produce 2nd & 3rd
Setting Degree Burns on Adult Skin
Over 170°F Nearly instantaneous
160°F About 1/2 second
150°F About 1-1/2 seconds
140°F Less than 5 seconds
130°F About 30 seconds
120°F or less More than 5 minutes
BOILER LOCATION
Water heater life depends upon water quality, water pressure
and the environment in which the water heater is installed. Water
heaters are sometimes installed in locations where leakage
may result in property damage, even with the use of a drain pan
piped to a drain. However, unanticipated damage can be reduced
or prevented by a leak detector or water shutoff device used in
conjunction with a piped drain pan. These devices are available
from some plumbing supply wholesalers and retailers, and
detect and react to leakage in various ways:
• Sensors mounted in the drain pan that trigger an alarm or
turn off the incoming water to the water heater when leakage
is detected.
• Sensors mounted in the drain pan that turn off the water supply
to the entire home when water is detected in the drain pan.
• Water supply shutoff devices that activate based on the water
pressure differential between the cold water and hot water
pipes connected to the water heater.
• Devices that will turn off the gas supply to a gas water heater
while at the same time shutting off its water supply.
BLOCKED VENT SHUT-OFF SYSTEM
The Boiler is equipped with a blocked vent shut-off system which
will close the gas valve and shut off the main burner gas when
there is excessive pressure in the vent system due to a partially
or completely blocked vent system.
DO NOT ATTEMPT TO OPERATE THE BOILER if this situation
occurs. Shut the boiler off before performing all the steps shown
in "TO TURN OFF GAS TO APPLIANCE" section of the Lighting
and Operating Instructions.
Contact a qualified service agent to inspect the unit and vent
system and correct the problem.
VENT SYSTEM
The flue products are corrosive in nature and if the boiler is
vented horizontally the flue gases are at a higher pressure than