ERT 200 is a compact device that permits control of air conditioning units of the following types:
• AC precision units
• Mono-blocks
• Condensing units
• Roof-tops
• Close control
• Ducted split units
with single circuit, and with 2 compressors or 1 compressor with a stage. It is possible to control condensation fan speed proportionally for currents of up to 2 A without using external devices.