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16
TROUBLESHOOTING
SYMPTOM
POSSIBLE PROBLEM
CORRECTIVE ACTION
EXHAUST FAN
1.
If the fan switch is turned on to the
exhaust position but the exhaust fan
does not come on.
A.
Overload protector on the magnetic
starter tripped.
1.
Push the “Reset” button on the
magnetic starter and turn the fan
switch to the “On” position.
B. If the HOA (Hand Off / Automatic) type
magnetic starter switch is used, the
selector switch may have been moved
from the automatic position.
1.
Check switch and turn selector to the
automatic position.
C. Exhaust fan circuit breaker tripped.
1.
Re-set circuit breaker.
D. If the system is equipped with a fused
disconnect switch for the exhaust fan,
a fuse or fuses may have blown out.
1.
Check continuity of fuses and replace
if necessary.
E.
Fan on / off switch has not been wired
properly.
1.
Refer to wiring diagram in this manual
and re-wire.
2. If when the fan switch is turned on to
the exhaust position, air is not being
pulled through the hood but you can
hear the fan running.
A.
Fire damper at exhaust collar, if
equipped, has closed.
1.
Open necessary access panels to
duct collar, inspect and take corrective
action.
2. Verify damper motor proper operation
and that it is getting its requirement of
power.
B. Fan drive belt is slipping
1.
Tighten belt then verify airflow
C. Fan is running in reverse
1.
Contact electrical contractor to wire
correctly.
Total Exhaust CFM Here
FIGURE 22
ETL Listed Nameplate
The total minimum required
exhaust volume can be
found stamped on the ETL
nameplate located on each
hood section. Minimum
listed values do not always
correspond to the design
requirements for each hood
section.
Содержание XG-BDL
Страница 13: ...10 GFBD EXTERNAL WIRING MULTIPLE SECTION FIGURE 16B GFBD External Wiring Diagram ...
Страница 29: ...26 UV HOOD WIRING BOARD SCHEMATIC ...
Страница 30: ...27 WIRING DIAGRAM FOR MODEL CUV 100 WITH XG UV SERIES HOODS ...
Страница 31: ...28 WIRING DIAGRAM FOR GAD 100 CONTROLLERS WITH GFBD DAMPERS ...
Страница 32: ...29 WIRING DIAGRAM FOR GAD 100 CONTROLLERS WITH NO DAMPER ...