Labconco PuriCare Procedure Stations 31261 Series - Manual (Page 17)

Chapter 3: Getting Started
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Original instructions
Optional Ventus
TM
Canopy Exhaust Connection
Certain applications such as working with odorous products or volatile toxic
materials will require the connection of the Procedure Station to an exhaust
system.
Note: The canopy connection, also referred to as a thimble or air gap
connection, allows single or multiple stations to be connected to an exhaust
system. During operation, the exhaust system draws all of the cabinet’s
exhaust air, plus a volume of room air (through the vent in the canopy) into
the exhaust duct. Canopy connections function as a “shock absorber”
allowing the system to function properly during changes in room air pressure.
For information on selecting a canopy connection, go to Appendix D:
Accessories.
Note: If the research involves the use of toxic compounds or volatile
materials, contact the facility’s safety officer or Labconco to ensure that the
Procedure Station and its exhaust system are compatible with the materials
you will be working with.