classicretrofit Posted January 20, 2024 Posted January 20, 2024 System Overview ElectroCooler is unique in the air conditioning marketplace as it dispenses with the traditional engine driven compressor. This offers several advantages over traditional systems: • Compact: entirely packaged in the front of the vehicle • Lightweight: typically half the weight of a factory or dealer system • Better weight distribution • Simple to install. • Non-damaging: Does not require cutting holes in the body shell. • More energy efficient: Uses typically < 1 HP. • Saves fuel. (independent white papers show up to 15% fuel saving) Core Components The typical placement of core components in a 911 bodyshell looks like this (hoses and harnesses not shown):
classicretrofit Posted January 21, 2024 Author Posted January 21, 2024 ECU ElectroCooler’s ECU provides the necessary control to regulate the compressor speed in accordance to the power available from the charging system. Without the ECU, the compressor could run beyond the means of the alternator which would result in a flat battery. Either that, or the compressor would be run too slow and compromise the A/C performance. The ECU contains an algorithm that adjusts the compressor speed (and thus current) based on alternator output, battery voltage, driving conditions and a number of other factors. The ECU comes preset with conservative working parameters. It is possible to adjust the values using a laptop as described in our setup manual. It is strongly recommended NOT to adjust these values without reading the manual or consulting us first. The ECU is housed in an automotive enclosure and has two keyed 12 way Deutsch connectors, accepting female 0462 crimp contacts. All wiring to ECU to be 14/0.30mm, 1mm2., 8.75amp. See the ECU wiring details here. Air Conditioning Half Kit The half kit is essentially all the parts of the full kit without our replacement blower. It uses the factory evaporator/blower located in the smuggler’s box on a LHD car and behind the passenger footboard in a RHD car. The installation is the same except for items relating to the blower.
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