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Parking Garage Controller...

SS103-3A Data SheetSS103-10A Data Sheet AUTOMATIC EXHAUST FAN CONTROLLERS FOR PARKING GARAGES Building codes require that enclosed parking garages either have exhaust fans operate continuously, or have automatic Carbon Monoxide (CO) detection and exhaust fan control systems. The difference in fan operating time is 24 hours a day versus one or two hours. Energy savings are significant. The SS1O3-3A...

http://www.engwald.com/page4.html

Engwald Typical Stackset...

Stackset & BlowerMounting Data Sheet ENGWALD TYPICAL STACKSET & BLOWER MOUNTING Home | Contact Us | Exhaust-O-Vent | Weld-O-Vent | Blowers | Accessories | Gas Detection Systems | Local Representatives ...

http://www.engwald.com/acc/acc_page10.html

Detector & Controller CM-21A

CM-21A Data Sheet CARBON MONOXIDE DETECTOR AND CONTROLLER CM-21A Low maintenance, no periodic calibration needed SPDT fan relay switches 5 amps Automatic ventilation controller Dual relays: fan (SPDT) & alarm (N.O.) Lights reflect system status Micro computer controlled Long life (7 to 10 years) Solid state sensor CM-21A is very specific to carbon monoxide (CO), avoids nuisance alarms. CM-...

http://www.engwald.com/page7.html

ENGWALD

Gas Detection Systems The ENGWALD Corporation offers a choice of over 30 detectors for: carbon monoxide, combustible gases, ammonia, refrigerants, hydrogen, etc. The company's products are manufactured to strict quality standards. All units contain solid state electronics and an electronic sensor. Every unit is individually tested and calibrated to ensure proper operation. Auto Fan Controllers P...

http://www.engwald.com/Gas-detection.html

Nitrogen Dioxide Detector...

ND-2 Data Sheet Nitrogen Dioxide Detector and Transducer Parking Garage Warehouse Maintenance Facility Ice Skating Arena Storage Facility ND-2 * Automatic Ventilation Controller * 4 to 20 mA Output, for 0 to 6 ppm * Microcomputer Controlled * Digital Display: 0 to 9 ppm N02 * Highly Linear Electrochemical Sensor * Relay w/Selectable Set Point & Delay * Diesel Exhaust detection and control * Sp...

http://www.engwald.com/page22.html

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