Two-pipe, single temperature, unit mounted, remote bulb pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems.
Features
Liquid filled remote bulb.
Direct Acting (DA), Reverse Acting (RA) and Heating/Cooling (DA/RA) models are available.
Product Specifications
Application
Unit Ventilator
Airflow Usage
0.022 scfm (10.4 mL/s) with 0.007 in. restriction
Dimensions (in.)
4 3/4 in. high x 3 3/4 in. wide x 3 in. deep
Dimensions (mm)
121 mm high x 95 mm wide x 76 mm deep
Maximum Safe Operating Pressure (psi)
25 psi
Maximum Safe Operating Pressure (kPa)
170 kPa
Temperature Range (F)
135 F maximum
Temperature Range (C)
57 C maximum
Includes
Integral Mounting Bracket and 304528A Bag Assembly (mounting hardware). Order bulb hangers (316297-00021) separately.
Mounting
In compartment of a unit ventilator
Approvals, Underwriters Laboratories Inc.
Approvals, Canadian Standards Association
Setpoint Temperature Range (C)
19 C to 30 C
Setpoint Temperature Range (F)
65 F to 85 F
Shipping and Storage Temperature Range (F)
150 F maximum
Shipping and Storage Temperature Range (C)
66 C maximum
Approvals, Factory Mutual
Sensor Element
Bulb 1/2 x 5 7/8 in., capillary 36 in. (914 mm) long, Remote Bulb
