Reset Volume Controller: 3800 Series, Direct/Reverse Acting, Normally Open or Normally Closed
Item 20RG03
Mfr. Model P-3800-2
Reset volume controls connect to a pneumatic thermostat or other pneumatic device and control the airflow through a VAV (variable air volume) box. They act as sub-controllers for the thermostat and interpret the pneumatic signal to optimize airflow for their HVAC branch.
Brand JOHNSON CONTROLS
Series 3800
Manufacturer Part Number P-3800-2
Controller Action Direct/Reverse Acting
Damper Action Normally Open or Normally Closed
Thermostat Required for Heating Direct/Reverse Acting
Thermostat Required for Cooling Direct/Reverse Acting
Minimum Setpoint Range0 to 0.9 in wg
Maximum Setpoint Range0.15 to 3.2 in wg
Reset Start Point Factory Setting3 psi
Reset Start Point Range3 to 10 psi
Air Consumption @ 20 psi 25 scim
Maximum Signal Pressure10 ps ig
Output Sensitivity2.25 psi / 0.01 in wc
Output Pressure Capability20 psig to Supply Pressure
Minimum Operating Temperature60 °F
Maximum Operating Temperature85 °F
Mounting Orientation Horizontal; Vertical
Air Inlet Type Barb
Air Inlet Size3/8 in
Housing Color Black
Housing Material Noryl
Application Cooling; Heating
Weight1 lb
Includes Mounting Bracket
Standards RoHS Compliant
UNSPSC31251504
Country of Origin Mexico