View Full Version : Climaveneta Heat pump - Carel alarm

09-02-2015, 08:51 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, 05:52 PM
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