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® 2018 Valco Companies, Inc.
APPENDIX 2 - Curtain and Inlet Behavior
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Curtain and Inlet Behavior
Tunnel Mode
Natural Mode
Behavior During:
Device
Curtain
Inlet
Mode Assigned to Device
Static Tunnel Only
Temp Natural Only
Static Natural Only
Temp Natural/Temp Tunnel
Temp Natural/Static Tunnel
Temp Tunnel Only
Static Natural/Temp Tunnel
Static Natural/Static Tunnel
Closed.
Operates based on static
pressure.
Static Tunnel Only
Temp Natural Only
Static Natural Only
Temp Natural/Temp Tunnel
Temp Natural/Static Tunnel
Temp Tunnel Only
Static Natural/Temp Tunnel
Static Natural/Static Tunnel
Closed.
Operates based on the
device's Opening Temp
and Closing Temp.
Operates based on static
pressure.
Closed.
Operates based on the
device's Opening Temp
and Closing Temp.
Operates based on
proportional control
Operating Modes Summary.vsd
Operates based on the
device's Opening Temp
and Closing Temp.
Operates based on static
pressure.
Closed.
Operates based on
proportional control
Operates based on
proportional control
Operates based on static
pressure.
Operates based on static pressure -
A static pressure sensor monitors negative static pressure inside the
building and adjusts the inlet or curtain based on your static pressure Setpoint, Open and Close settings (Static
Pressure menu).
Operates based on proportional control -
The controller monitors the number of fan groups designated for
proportional control that are running. The curtain or inlet is adjusted according to this number and the settings you
enter in the device's Fan Groups On \ Opening Size menu.
Operates based on static
pressure.
Operates based on static
pressure.
Closed.
Operates based on static
pressure.
Closed.
Operates based on
proportional control.
Operates based on static
pressure.
Closed.
Operates based on
proportional control
Operates based on
proportional control
Operates based on static
pressure.
Closed.
Operates based on
proportional control
Operates based on
proportional control
Operates based on static
pressure.
Operates based on static
pressure.
Operates based on static
pressure.
Operates based on
proportional control