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33
Hotter water increases the risk of scald injury. Scalding may occur within five (5) seconds
at a temperature setting of 140°
F (60
°
C). To protect against hot water injury, install an
ASSE approved mixing valve in the water system. This valve will reduce point of
discharge temperature by mixing cold and hot water in branch water lines. A licensed
plumbing professional or local plumbing authority should be consulted.
Note: This water heater is equipped with an energy cut out device to prevent
overheating. Should overheating occur or the gas supply fail to shut off, turn off the
manual gas control valve to the appliance and call a qualified service technician.
Note: Whenever the water heater is filled with cold water, condensate will form on the
cool tank surface and drops of water will fall on the hot burner and combustion chamber
surfaces producing a “sizzling” noise. Condensation is normal and does not indicate a
leak. It will disappear when the tank becomes heated.
Burner Flame Check
Cast Iron Burner: At the time of installation and at periodic intervals (not
more than 6 months), a visual check of the main burner and pilot flames
should be made to determine if they are burning properly. For ideal
operation, the gas and air must be properly proportioned. The proper air-
gas mixture is obtained by adjusting the air shutter on the mixer face of the
main burner (See Figure 19). To adjust for proper burning, loosen the air
shutter nut (if provided), rotate shutter to close the opening in the burner
then slowly rotate the shutter until the yellow tips disappear and the flame
becomes blue. On 75 gallon models fired on LPG or propane, adjust the air
shutter as described above until the yellow flame is minimized (note-the
burner flame may contain a mixture of yellow and blue). Tighten the air
shutter nut (if provided). Too much air will cause the flame to lift off the
burner ports and create noisy operation. Too little air will result in soot
formation. The main burner flame should light smoothly from the pilot.
Steel Burner: These models are equipped with self adjusting air mixture
and do not have an adjustable air shutter (See Figure 19). At periodic
intervals a visual check of the main burner and pilot flames should be made
to determine if they are burning properly. The main burner flame should light
smoothly from the pilot.
DANGER
Figure 19