A rugged, dependable unit for continuous monitoring of ammonia refrigeration gas emergency vent line headers

Fast and accurate detection of overpressurized system or leaking relief valves.

Provides maximum protection of employees, equipment and product.

Designed for use with new or existing Central Supervisory Alarm Panel, or can be used alone.

Additional features

• Affordable
• Dependable
• One year warranty
• Rugged, weatherproof enclosure (NEMA 4)
• High quality, UL listed components
• Virtually maintenance free
• Can be tied into existing security alarm system
• Easy to adjust calibration
• Sensitivity adjustable from 25 ppm to 800 ppm

Description

Housed in a durable, weatherproof enclosure (NEMA 4 rated), the Ammonia Relief Line Gas Detector provides reliable detection of refrigeration system overpressure or relief valve leakage.

The unit contains a voltage stabilized amplifier circuit which enables detection of ammonia gas in the ammonia emergency relief line. Sensor trip point is adjustable from 25 ppm to 800 ppm.

18 gauge, 6 conductor wire, 2 wires for power and 4 wires for control signals. Available in 115/230 VAC, 50/60 Hz, or 14 VAC if you use the Central Supervisory Control Panel. Connect all wires to factory wired terminal strip.

Specifications

Size: 4-1/8"H x 6-7/8"W x 5-1/4"D.
Weight: 4 Ibs.
Power input:115/230 VAC, 50/60 Hz, or 14 VAC. Other power supply options available.
Sensitivity: as determined by trip point settings at remote detectors, adjustable from 25 ppm to 800 ppm concentration of NH3. Early warning alarm trip point at remote detectors is set at 25 ppm (not adjustable).

Warranty

12 months warranty on workmanship from date of sale. Cool Air Incorporated reserves the right to make changes in the design of this unit without notification.