Proportional control type of pneumatic instrument, using balanced lever system actuated by a liquid-filled thermal copper element with a 3’ (914 mm) capillary.
For proportional temperature control of pneumatic valves and actuators to maintain discharge temperature of reheat systems and sampling chamber or return air temperature of terminal units and as a proportional low limit thermostat.
▪ Action: Direct Acting @ 20 psi (Heating), Reverse acting @ 15 psi (Cooling)
▪ Temperature Range: 60-90°F
▪ Throttling Range: Adjustable 2-10°F (1-6°C)
▪ Maximum Safe Air Pressure: 30 psig (207 kPa)
▪ Maximum Safe Case Temperature: 140°F (60°C).
▪ Mounting: Directly by means of top mounting holes or with a right angle mounting bracket included with thermostat.
▪ Bulb Dimensions(Inches): 7/32 x 14
