What happened to your Discovery 2 today?

**Eevo** · 7th July 2017, 01:03 AM

im very confused.

since engine conversion, never been super happy with the aircon, just wasnt cold enough, despite being a big compressor on there.

anyways, had an a/c line blow cause the high pressure was too high. it was borderline high before it blew, so part bad workmanship, part something wrong or design flaw.
replaced condenser with a new one, old one was very gunked up.

now the air from the vents is -1 degrees. (ambient about 12)
great in summer, not good in winter as the evaporator will freeze over, possible compressor damage

there is a TX valve which feeds back to the ECU/BCU to tell the compressor to disengage but with the engine swap and this connected, the compressor never engages as the ECU/BCU is expecting a crank angle input, which is doesnt get, and doesnt engage in the first place.
never had this problem before the condenser was replaced as the evap temps never got this low.

so im a bit stumped

**trout1105** · 7th July 2017, 01:14 AM

now the air from the vents is -1 degrees. (ambient about 12)
great in summer, not good in winter as the evaporator will freeze over, possible compressor damage

I am wondering why you would run the air con in winter ?

**Eevo** · 7th July 2017, 02:16 AM

Originally Posted by trout1105

I am wondering why you would run the air con in winter ?

1) may forget to turn it off
2) aircon on = 1 fan running over the radiator. coolant temp stabilization
3) dry air is good for your health

**Pedro_The_Swift** · 7th July 2017, 06:28 AM

You out there Rick??

**Tins** · 7th July 2017, 10:29 AM

Originally Posted by trout1105

I am wondering why you would run the air con in winter ?

Best way to demist. Keeps the mould down. Keeps the seals sealing. Never turn mine off.

**trout1105** · 7th July 2017, 10:34 AM

I run my air con about once a week during winter as a maintenance thing But other than that the heaters in the D2 are rather good.
I Hate the cold and anything under 25C is cold as far as I am concerned

**Eevo** · 7th July 2017, 11:14 AM

Originally Posted by johntins

Best way to demist. Keeps the mould down. Keeps the seals sealing. Never turn mine off.

that too

**Tins** · 7th July 2017, 11:21 AM

Originally Posted by trout1105

I run my air con about once a week during winter as a maintenance thing But other than that the heaters in the D2 are rather good.
I Hate the cold and anything under 25C is cold as far as I am concerned

The A/C running won't cool the car if you have the heat set at 25. In a D2 it is climate control, not A/C

. Only time I would turn it off would be if it was broken.

**trout1105** · 7th July 2017, 11:35 AM

I just drop the temp on the passengers side on the climate control.
That way my feet don't freeze

**PhilipA** · 7th July 2017, 03:09 PM

In winter I press the "econ" button which disables the aircon, and run it every couple of weeks. In rain I run the aircon to demist.
when the temp is below the temp set on the display it will heat.(eventually LOL)

Why would you run it all the time? Compressors do have a finite life.

Regards Philip A

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