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Hood Cleaning and Maintenance
5. Hood Cleaning and Maintenance
This Section describes cleaning and maintaining the Hood System. Attention to these procedures will
help ensure the hood remains efficient over time.
A Maintenance & Service Log is provided in this manual, see Section 5-6.
5-1.
Monthly Interlock Check
The Giles Ventless Hood System is designed with various interlock devices to ensure the unit operates in a
safe and effective manner. These interlocks should be tested MONTHLY as described below. Use the
Maintenance & Service Log and place a check in the box that corresponds to each function test. If a
problem is found call your service representative.
1.
Baffle Filter Check: Place power switch in the OFF position, remove the left-side Baffle Filter ... turn power
ON. "Filter Missing Light" should be illuminated and "Appliance Powered" light should be OFF. Turn power
OFF and reinstall the Grease Baffle Filter. Follow the same procedure to check the right-side Filter.
2.
Pre-Filter/Door Interlock Check: Turn power switch ON ... with Hood running, slightly open the Filter
Access door ... confirm Hood shutdown when door is opened ... turn power switch OFF. Remove the left-
side Pre-Filter and close door ... turn power ON. "Filter Missing Light" should be illuminated and "Appliance
Powered" light should be OFF. Turn power OFF and reinstall Pre-Filter. Follow the same procedure to check
the right-side Pre-Filter.
3.
EAC Filter Check: Place power switch in the OFF position, remove the left-side EAC Filter and close door ...
turn power ON. Wait 2 minutes ... intermittent alarm should sound and "Appliance Powered" light should be
OFF. Turn power switch OFF and reinstall EAC Filter. Follow the same procedure to check right-side EAC
Filter.
4.
Charcoal Filter Check: Place power switch in the OFF position, remove the left-side Charcoal Filter and
close door ... turn power ON. "Filter Missing Light" should be illuminated and "Appliance Powered" light
should be OFF. Turn power switch OFF and reinstall Charcoal Filter. Follow the same procedure to check
the right-side Charcoal Filter.
5.
Filter Clogged Check: Place Hood power switch in the ON position. The blower will start and a continuous
tone alarm should sound for 2 to 8 seconds until the blower reaches speed, then silence. Check appliance(s)
power during this time; there should be no power supplied to appliance(s) until the alarm silences. If the
alarm tone does not sound, fails to silence, and/or the appliance(s) fails to come on or comes on before the
alarm silences, contact service agent and have the Clogged Filter interlock checked. Return Hood power
switch to the OFF position.
5-2.
Quarterly Hood Cleaning
To maintain effectiveness and performance, the hood must be cleaned, at a minimum, every 3 months.
Disconnect power from the unit, preferably at a breaker. Remove all filters from the hood. Using soft
cloth, sponge or towel, and a mild bio-degradable degreaser, clean the entire hood plenum and blower
section. Any grease build-up on the fan blades should be removed during this cleaning.
Model: FSH-3.5
FSH-4
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