31
EQUIPMENT & OPTIONAL ACCESSORIES
PRESSURE SWITCH
Air pressure switch works on negative pressure. When
blower comes on air pressure switch operates intermittent
pilot and gas valve. Air pressure switch is factory set and
will only work when blower operates properly. It will not
allow boiler to come on if blower does not generate enough
pressure or if venting system is blocked.
Factory Pressure Switch Set point:
-0.4” wc. for 2-5 section boilers.
-0.5” w.c. for 6-7 section boilers.
Rollout Switch
(FLAME ROLLOUT SAFETY SHUTOFF)
Rollout switch is temperature-sensitive fuse link device.
Located on boiler base just outside
fi
re box. In event of
heat exchanger
fl
ueway blockage causing
fl
ame to roll
out of
fi
re box, fuse does not change in appearance when
blown.
If rollout switch blows, it must be replaced with exact
replacement. Check heat exchanger
fl
ueways for blockage
when restoring system to operating condition. DO NOT
operate system without rollout switch.
Содержание PENNCO FSB 3 Series
Страница 4: ...4 DIMENSIONS Model Width A FSB 2 11 FSB 3 14 1 4 FSB 4 17 1 2 FSB 5 20 3 4 FSB 6 24 FSB 7 27 1 4 ...
Страница 23: ...23 WIRING DIAGRAMS Figure 12 Control Module Damper is not an option ...
Страница 37: ...Date Service Performed Company Name Tech Initials Company Address Phone ...
Страница 38: ...NOTES ...
Страница 39: ...Date Service Performed Company Name Tech Initials Company Address Phone ...
Страница 40: ...PENNCO BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...