Volvo RWD 900 Forum

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Three swithces on condenser. 900 1993

posted by  BillBob on  Mon Aug 4 12:08 CST 2003
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Somwone clue me in. What are they for? They all look like a typical pressure switch and are in a row on the bottom of my 940s ac condenser. I guess on is the high cut. The low cut is up by the accumulator. What are these for?

Bill








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Three swithces on condenser. 900 1993

posted by  dm960 on  Tue Aug 5 21:07 CST 2003
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last visit: Fri Oct 24 06:41 CST 2014
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i just replaced the purple/violet on mine because of a leak and it was the high pressure switch.they just screw on and off.
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83 242 DL , 92-965, 94-965








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Three swithces on condenser. 900 1993

posted by  DanR on  Mon Aug 4 13:36 CST 2003
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last visit: Thu Oct 23 15:25 CST 2014
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You are correct on the high limit switch, the others control the fan for the radiator. High and low speed controls.

DanR 94 964 229,000 miles
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DanR








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Three swithces on condenser. 900 1993

posted by  BillBob on  Mon Aug 4 14:28 CST 2003
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can you tell me from the left, or by color, which does what?








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Three swithces on condenser. 900 1993

posted by  DanR on  Mon Aug 4 15:27 CST 2003
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last visit: Thu Oct 23 15:25 CST 2014
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With the Volvo book I have, I am assuming that the diagram is looking at the front of the car the switches are facing you. It is hard to tell from the drawing. From left to right, #1 is the a/c pressure switch, #2 is pressure switch engine coolant fan 1/2 speed(which is the everday normal speed), #3 is pressure switch engine coolant fan full speed (acctivates only under extreme system pressure or when there is a risk of overheating.

Hope this helps.

DanR 94 964 229,000 miles
--
DanR







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