Lennox C0SNSR21AE, Return (Building) Static Differential Pressure Sensor

Lennox C0SNSR21AE, Return (Building) Static Differential Pressure Sensor

The Return (Building) Static Differential Pressure Sensor has three operating ranges and three output options. It is used with optional power exhaust fans to control building static pressure on Lennox’ premium rooftop units.

• Pre-set to -0.5 to 0.5 in. w.c. range and 0 to 10VDC output for Prodigy® Unit Controller.
• Additional ranges and outputs are available by changing mini-jumpers.
• Compatible with Prodigy® Unit Controller.
• C0SNSR22AE1- (79M21) Outdoor Air Weather Head required for reducing outdoor static pressure fluctuations.

Specifications:

• Controller Compatibility: Prodigy® Unit Controller - All versions, Building Controller
• Operating Temperature: 0 to 175°F 10 to 90% RH
• Compensated Temperature Range 25 to 150°F
• Power Requirements: 24VAC (+/-25%), 50/60Hz, 0.5VA maximum
• Operating Range: 0 - 1.0 in. w.c., 0 - 0.5 in. w.c., 0 - 0.25 in. w.c., -0.5 - 0.5 in. w.c., -0.25 - 0.25 in. w.c., -0.125 - 0.125 in. w.c., Factory Setting is -0.5-+0.5 in. w.c.
• Accuracy: +/- 1% F.S.
• Overpressure: 10 PSID
• Output: 0-10VDC, 0-5VDC, 4-20mA, Factory Settings is 0-10VDC
• Enclosure: Steel NEMA 4, aluminum probe
• Media Compatibility: Clean dry air or any inert gas
• Termination: Un-pluggable screw terminal block
• Dimensions: Height: 6 in. x Width: 4 in. (with mounting tabs) x Depth: 2-1/4 in.