Lee Haefele wrote:
> Last year Sea Frost offered me a system,  with the BD80.  I was having 
> trouble finding a new electronic control unit for the BD3f compressor, but 
> eventually found one.
> Sea Frost normally ships pre charged with R-134 and special disconnects, but 
> my system was installed at boat build with plain connectors.   My system is 
> set up with automobile A/C style test fittings and a sight glass on the 
> receiver/dryer.  I bought a $29 set of  Harbor Freight gauges and can add 
> R-134 from the 12 ounce cans available at Wal-Mart.  The boat came to me 
> used from Moorings Charters with the fridge barely working.  Sea Frost and 
> Kollmann talked me through the evacuation, recharge and adjustment.  One 
> complaint: I cannot get the expansion valve totally insulated/sealed from 
> air.  It sweats and drips water, it should be mounted inside the fridge 
> instead of outside.
> Lee Haefele
> Leopard 38 cat Alesto 2
>   
I have seen people use the expanding foam to coat an expansion valve.  I 
can't comment on the advisability of doing that however.  It seems to 
work but I don't know if that valve needs to absorb heat to work 
efficiently or not.

Jim.
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