Greenheck Waterwash (458292) - Manual (Page 49)

49 April 2005
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Problem: Smoke blows away before reaching the bottom of the hood.
Items to Check Possible Solution
Are there pass thru windows near Adjust amount and locations of make-up air to eliminate drafts
the hood? through the pass through windows.
Is this an air curtain hood? Turn off or reduce the amount of make-up air.
Is the make-up air part of the hood Try turning off or reducing the amount of make-up air; block off portions
or an attached plenum? of the supply to direct air away from the problem area (test with
cardboard)
Problem: Pilot lights are being blown out or cooking equipment is being cooled by make-up air.
Items to Check Possible Solution
Are there drafts from make-up air? Try turning off or reducing the amount of make-up air; block off portions
of the supply to direct air away from the problem area (test with
cardboard first); remove any obstructions in front of supply that directs air
toward cooking equipment.
Problem: Cold air can be felt by the cook at the hood.
Items to Check Possible Solution
Is this a short circuit hood? Turn off or reduce the amount of air supplied to short circuit.
Is this an air curtain hood? Turn off or reduce the amount of air supplied to the air curtain; heat the
supply air.
Is the make-up air part of the hood Try turning off or reducing the amount of make-up air; heat the supply air.
or an attached plenum?
Problem: The kitchen gets hot.
Items to Check Possible Solution
Is the hood capturing? Hood is not drawing enough air, see sections above on fan performance
and hood capture.
Is this an air curtain hood? Turn off or reduce the amount of air supplied to the air curtain.
Is the make-up air part of the hood Try turning off or reducing the amount of make-up air; cool the supply air.
or an attached plenum?
Problem: Cooking odors in the dining area.
Items to Check Possible Solution
Is the hood capturing? Hood is not drawing enough air, see sections above on fan performance
and hood capture.
Is there a draft through doors Decrease make-up air in the kitchen; increase exhaust air through hood.
between the kitchen and dining area?
Problem: Grease is running off the hood.
Items to Check Possible Solution
Is there grease on top of the hood? Exhaust duct is not correctly welded.
Is the caulk missing or damaged? Clean problem area and recaulk.
Is the grease cup inserted properly? Put grease cup back in place.
Problem: Hood is noisy.
Items to Check Possible Solution
Is the fan running in the correct See fan section.
direction?
Are the filters in place?
Replace missing filters.
Is the hood over exhausting? Slow down fan (see fan section)