Emergency Exhaust If a spill occurs inside hood then press this button to increase exhaust flow Fume Hood Standard Operating Procedures If Hood Alarm Activates : • It indicates an improper exhaust flow. • Close sashes completely. Contact the stockroom manager or CHO immediately. You may mute the alarm ONLY if sash is in full upright position during equipment set-up / removal. 1. PERSONAL PROTECTIVE EQUIPMENT MUST BE WORN AT ALL TIMES! 2. Keep sashes and hood countertop clean -- wash them regularly! 2. Keep all sashes closed except when actually manipulating objects within the hood. 3. If vertical sash is open then horizontal sashes must be closed (in an overlapping manner). 4. Do not operate hood with vertical sash higher than 18” (except during set-up/take-down). 5. If any horizontal sash is open then vertical sash must be completely down . 6. Position horizontal sash in front of you so that it acts as a safety shield. 1.Press “Emergency Exhaust” & “Mute” buttons simultaneously. Hold for 3-5 seconds. 2.A flashing “oFF?” will appear. 3.Press the “Mute” button. 4. The hood will enter stand-by mode; you will hear the exhaust flow decrease. To Place Hood in Energy-Saving Mode: To Return Hood to Operating Mode : Simply open any sash; allow airflow rate to stabilize around 60 fpm (takes ca. 3 seconds) 1 . 2 . 3 . 4 . Horizontal Sashes : Must be closed so that the sashes overlap each other. Sashe s close d Sashes not closed