Overview
Used to control the damper on unit ventilators. Can be adapted to various unit ventilator control cycles. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell unit ventilator damper actuators.
Features
Constructed of strong zinc die castings.Hesitation feature available for unit ventilator cycles requiring a minimum percentage of outdoor air.
- Dimensions (in.) : 5 1/8 in. high x 6 7/8 in. wide (with arm)
- Dimensions (mm) : 130 mm high x 175 mm wide (with arm)
- Maximum Safe Operating Pressure (psi) : 25 psi
- Maximum Safe Operating Pressure (kPa) : 172 kPa
- Temperature Range (F) : -20 F to +160 F
- Temperature Range (C) : -29 C to +71 C
- Comments : No hesitation.
- Operating Humidity Range (% RH) : 5 to 95% RH
- Actuator Type : Damper
- Fail Safe Mode : Spring Return
- Stroke (in.) : 2-1/8 in. to 2-1/2 in.
- Stroke (mm) : 54 mm to 63 mm
- Actuator Force : Medium
- Spring Range (psi) : 5 psi to 12 psi
- Spring Range (kPa) : 34 kPa to 83 kPa
- Diaphragm Effective Area (sq in.) : 11 sq in.
- Diaphragm Effective Area (sq cm) : 71 sq cm
- Air connections : 1/8 in. NPT
