JOHNSTONE SUPPLY

Description:

• Pressure independent controllers for use on VAV terminal units
• Velocity setpoint is reset between adjustable minimum and maximum limits by a master controller
• Equipped with separate adjustment knobs for minimum and maximum airflow setting
• Multi-function for direct or reverse acting thermostats, and N.O. or N.C. damper actions
• Reset start point and reset span are factory set at 5 PSIG, both are field adjustable
• The reset span is always constant regardless of min/max limits
• Includes mounting bracket
• Typically used on Trane VAV units

Action: Cooling — DA / RA; Heating — DA / RA; Air Consumption: 46.1 SCIM @ 20 PSIG; Mfg. #: CSC-3025-10; Size: 2";

Specifications:

Output sensitivity: L40-187 5 PSI/.02" wg, L40-188 5 PSI/.04 wg |Main air pressure: 15 to 30 PSIG |Maximum signal pressure: 6" wg applied to either port (H or L)