Recently we've had some problems with the KAIRA RF-container air-conditioning again. The problem this time has been that the refrigerant has been too cold and has lost pressure. This has taken a little while to resolve, but we now have fixed the problem. This has been done by
heating the airconditioner!
Yes, that's right, we have put in a heating coil which is variably heated according to temperature. Thus, in the bitterly cold winter nights, this coil warms up sufficiently to keep the partial pressure of the refrigerant at sufficiently high pressure to allow the compressor to continue working. It is a tough fix to make, but we hope to have improved reliability again.
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| Servicing the air-con unit at KAIRA. (Photo: D. McKay-Bukowski) |
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| Toivo explains the changes and the new heating system. (Photo: D. McKay-Bukowski) |
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