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Spring Air Systems Water Wash Ventilator Maintenance Manual 11/01
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MAINTENANCE SCHEDULE
DAILY:
1. After the manual or automatic wash wipe down the interior and exterior surfaces of the hood canopy and the
underside of the grease trough. Use a damp cloth and avoid abrasive cleansers.
WEEKLY:
1.
Check the level of detergent in the control panel. (Panels with low detergent alarm will automatically signal when a
refill is necessary).
2.
During the normal fan operation visually inspect the cold-water spray nozzles. The nozzles can be observed by
looking directly into the ventilator inlet slot. If a nozzle is not spraying remove/clean and or replace. (Type “C”
extractors only.)
3.
After the daily wash inspect the hot water wash manifold and nozzles. Open the front access door to view the wash
manifold. If grease or dirt is still visible remove/clean and or replace the hot water nozzle. Prior to replacement
check that hot water pressure and temperature are within design ranges.
MONTHLY:
1.
Check operation of detergent pump. Inspect for leaks and broken fittings.
2.
After the daily wash inspect the complete interior of the grease extractor. Open the front access door and check the
VORTEX BAFFLE and grease trough for any debris. Check that the drain is free and clear.
SIX MONTHS:
1.
Clean all line strainers located in the control panel (hot water and cold water).
2.
Check exhaust fan belts for alignment, tightness, and wear. Adjust and/or replace.
3.
Measure the exhaust volume. Design exhaust volume is stamped on the ULC plate. Refer to the Exhaust Air
Measurement section of this manual for detailed instructions.
4.
Check the Second Line Fire Protection System.
Arrangement “T”: Manually activate system by placing a jumper across terminals 1 & 2 in the control panel. The
following sequence should occur:
(i) Fire
damper
closes.
(ii) Exhaust fan shuts off.
(iii) Hot water solenoid is energized spraying water into the interior of the grease extractor. Reset the fire damper by
rotating the reset handle 90 degrees clockwise. (The handle is located on the side of the fire solenoid enclosure
ENS.)
Arrangement “F”: Visually inspect the fusible link, which holds the fire damper open. Clean and/or replace. Manually
activate the Second Line Fire Protection System placing a jumper across terminals 1 & 2 in the control panel. The
following sequence should occur:
(i)
Exhaust fan shuts off.
(ii) Hot water solenoid is engaged spraying water into the interior of the grease extractor.
CAUTION: PRIOR TO ACTIVATING THE HOOD AND DAMPER ASSEMBLY CHECK IF THE PRIMARY FIRE
PROTECTION SYSTEM OR BUILDING FIRE ALARM IS ELECTRICALLY CONNECTED TO THE WATER WASH
CONTROL PANEL.
