Duct Installation - Greenheck Vektor-H Installation, Operation And Maintenance Manual
Laboratory exhaust system
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Duct Installation
Bottom Inlet Duct Connection
The end of the duct (customer-supplied) is secured between the roof curb's top edge and the curb cap of either the
Vektor-H or bypass air plenum. If an isolation damper is present in the roof curb, the duct is located between the
roof curb and the damper adapter tray.
Option 1:
• No isolation damper in roof curb
• Bottom inlet on bypass air plenum
Duct
Option 2:
• With isolation damper in roof curb
Duct
Duct Connection to Curb
Side or End Duct Connection
• Vektor-H or Vektor-HS
• With bypass air plenum
NOTE
Plenum is provided with removable side or end
panels, allowing the proper duct connection.
Duct flange and
gasketing by
others
Bypass Air
Plenum
Duct to Bypass Air Plenum
6
Laboratory Exhaust System
Vektor-H or Vektor-HS
Roof Curb
Vektor-H
Adapter Tray
Isolation Damper
Weatherhood
Roof Curb
®
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