Products
LOW-COST EVAPORATIVE COOLER
Air-Dale Engineering and Cool Breeze South Africa are proud to present our new L240 R cooler with exhaust function . This 2-speed , simplified cooler is backed by Air-Dale Engineering ’ s experience and expertise in the evaporative cooling Industry in South Africa which has been going strong since 1964 !
The incredible value for money cooler is assembled and tested right here in South Africa and is backed by our 1 year guarantee . The all-new designed and manufactured control system comes with fan / cool / exhaust / low speed / high speed functions . Added benefit is the auto-restart option which will restart the cooler to previously selected settings when power is cut or during load-shedding .
The PC board and electronics have also been re-designed to be more stable in areas with mains power fluctuations .
In addition , this new controller and PC board ( and reversible motor if required ) can be retro-fitted to any older Cool Breeze L240 2-speed cooler .
Pricing of this cooler remains low and affordable as a solid Cool Breeze alternative to other cheaper coolers on the market .
For more information call : + 27 ( 0 ) 11 887 8985 or email info @ coolbreeze . co . za
EASY CO 2
DETECTION
The Evikon carbon dioxide detector-transmitter E2638-CO 2 is a member of the new PluraSens family of multifunctional measurement instruments , and is distributed by Keystar Industries in the Southern African regions .
Applications include HVAC and air quality control in public spaces , office and industrial buildings , greenhouses , underground parkings , boiler houses , and other areas , where potentially toxic concentration of carbon dioxide can accumulate .
The instrument utilises a fully calibrated and temperature compensated photoacoustic or optical NDIR gas sensor with excellent repeatability , stability and long lifetime . Ambient pressure compensation ( in the range 0,5 ... 2 bar of absolute pressure ) is available as an option .
Technical data :
• Sampling method º diffusion
• Detection range º 0 ... 10 000 ppm ( 10K ) CO2 º 0 ... 40 000 ppm ( 40K ) CO2 º 0 ... 5 % vol ( 50KN ) CO 2 º up to 100 % vol CO 2 on request
• Sensor lifetime º up to 10 years for 10K / 40K º up to 5 years for 50KN
• Digital interface º RS485 , Modbus RTU protocol
• Analog outputs º 2 × 4-20 mA / 0-10 V , user settable
• Enclosure º light grey ABS plastic , wall mount , IP65
Sensors in the range for the detection of other gasses include :
• NH 3
( ammonia )
• CO ( carbon monoxide )
• C 2
H 4
( ethylene )
• CH 4
( methane )
• HFCs ( freons )
• R290 ( propane )
• Water ( humidity )
For more information , call + 27 ( 0 ) 11 205 0639 or + 27 ( 0 ) 86 111 4768
www . refrigerationandaircon . co . za RACA Journal I October 2022 51