triggering A/C compressor 1995 C280 W202
Does anyone know if the A/C compressor on a 1995 C280 (W202) is triggered 100% "on" via the proper voltage & polarity signal (like the W124's), or is it one of those "new" types of A/C compressors that use a modulated signal to vary it's pumping strength ?
Thanks, :-) neil 1988 E36T AMG 1995 500E 1995 E320 wagon |
The a/c controller (pushbutton) sends 12V to the compressor directly & watches for compressor speed input.
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Which also means, if you don't have "brain" watching, the A/C compressor will just keep on pumping. Please confirm. BTW: if my understanding is correct, does this also mean that the pump when "on " is always 100% and doesn't use the speed-signal to vary pumping ? Thanks, :-) neil |
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according to the linked article, starting in 2001 Denso started using "electrons" to change compressor displacement: http://www.search-autoparts.com/searchautoparts/Teardown/ArticleStandard/Article/detail/156230 Since I'm looking at a 1995 compressor, the "old" mechanical method applies to me. :-) neil |
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