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Reply to "IM ROADSTER/EBAY"

Banzai Pipeline posted:

From the Classic Retrofit install PDF:

  • You must install a 90A alternator from a Carrera 3.2 and uprate the wiring to suit.
  • Make sure the battery is of adequate capacity (75Ah) and in good order.
  • The ECU may reduce compressor speed or switch it off completely during long periods of low alternator output. E.g. when the car is left at idle for an extended period. A built-in recovery time allows the battery to recharge. The time is configurable but usually around 1 minute.
  • The ECU may switch off the compressor if many high power items are switched on at the same time. E.g rear defogger, wipers and headlights at the same time for an extended period.
  • Avoid too many short journeys at low speed. Engine cranking really depletes the battery and needs a reasonable amount of road time to replenish.

Everybody is free to do what they would like. This is my business (HVAC/R), and would suspect that this would be better than a fan only... but not by much.

We'll see the day when electric A/C is a reality, but not until we see much higher voltage systems in cars. I'd think 24v at a minimum to make this thing work well.

 

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