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yanev22
09-02-2015, 09:51 AM
Can anybody help me solve problem with alarm for Climaveneta heat pump ?

The model is Climaveneta / MICS-N 0152 - 40 KW

The machine use controller - Carel Microchiller 2 and when i run it it show alarm A1 (low ambient temperature)

I set up Antifreeze set point to -10 degree and but again it happen

The machine use electronic expansion valve Carel

install monkey
09-02-2015, 06:52 PM
http://www.novatherm.de/f5-edit/ups/www.novatherm.de/nova_produktserie/bedienungsanleitung/HE%20Bedien.pdf
A1 freeze protect, check pumps,strainer, system has water/glycol in, turn it off and test resistance on sensors to see if theyre all reading similar resistances at ambient temp