27
CHECKING AND ADJUSTING
Main burner
fl
ame should form sharp blue inner mantel
with no yellow.
Figure 16 - Main Burner Flame
Adjust Thermostat Heat Anticipator
Instruction for
fi
nal adjustment of thermostat are packaged
with thermostat.
1.
Set Heat anticipator at .2.
2.
Check thermostat operation. When set above
temperature indicated on thermometer, boiler burners
should ignite. Verify thermostat turns off boiler when
room temperature reaches selected setting and starts
boiler operating when room temperature falls few
degrees. After setting limit control to desired setting,
check to see if it shuts off gas supply to burners.
3.
Turn your thermostat up to call for heat and let your
boiler run until temperature of water reaches limit
setting. Gas valve shuts off and circulator keeps
running until thermostat is satis
fi
ed, or water cools
enough to restart burners through limit control.
4.
To check operation of contacts in pressure switch,
disconnect rubber tubing (located between blower and
pressure switch) from pressure switch, while boiler
is operating. Burners extinguish and blower keeps
running. When tubing is reconnected to pressure
switch, ignition sequence begins, resulting in ignition of
main burners.
5.
Set thermostat for desired temperature.
Safe lighting and other performance criteria were met with
gas manifold and control assembly provided on boiler when
boiler underwent tests speci
fi
ed in ANSI Z21.13.
Summary of Contents for XEB II Series
Page 23: ...23 WIRING DIAGRAMS Figure 12 Control Module Damper is not an option...
Page 37: ...Date Service Performed Company Name Tech Initials Company Address Phone...
Page 38: ...NOTES...
Page 39: ...Date Service Performed Company Name Tech Initials Company Address Phone...
Page 40: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...
