Description
The Emerson conditions-White Rodgers 21D28-6 Evaporative Cooling Control System belongs to the 1D51 & 8A18Z series and is intended for evaporative cooling system applications. It has a wall-mounted thermostat and a transformer relay control panel 8A18Z-2 and works in a temperature range of 55 to 95 degrees Fahrenheit. This system controls the fan and pump operation to ensure the cooler pad is pre-wetting before the fan is turned on and improving cooling. It is suitable to be used with different kinds of HVAC systems, giving features like high energy saving, installation convenience, and steady performance in regulating indoor atmosphere.
