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  1. Replies
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    Compressor overload alarm on Mcquay

    I am working on some mcquay McQuay Heat Pump - R134a HPI 109.2 SE ST but in one of them i am having a problem from some days. After 1 or 2 hours of work one circuit of them is going on alarm for...
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    1,392

    Fixed , it was not proper water flow and not to...

    Fixed , it was not proper water flow and not to much request for heating in this period. :angel:
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    16
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    i have upload a video of heat pump, 3 min after...

    i have upload a video of heat pump, 3 min after when increase stage up condenser press goes 18 bar and it stops for high press alarm. The link of video is :...
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    16
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    1,392

    sorry 2.5 bar on supply and 2.0 bar on return....

    sorry 2.5 bar on supply and 2.0 bar on return. problem happen only when temperature is 42-43 near to setpoint of 45 degrees celcius
  5. Replies
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    1,392

    sorry 2.5 bar on supply and 2.0 bar on return....

    sorry 2.5 bar on supply and 2.0 bar on return. problem happen only when temperature is 42-43 near to setpoint of 45 degrees celcius
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    already done that the pipes of water are the same...

    already done that the pipes of water are the same in cooling too but this happened only in heat mode also i have 2.5 bar on supply and return of pipes water
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    At 45 % of load after 5 minutes of normal work Hp...

    At 45 % of load after 5 minutes of normal work Hp is 20 bar condenser pressure is 18 bar and when compressor increase stage it goes in alarm for high preassure alarm on board and Cond Press High on...
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    16
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    1,392

    i am working on mcquay McEnergy HPI Extension Air...

    i am working on mcquay McEnergy HPI Extension Air to water heat pumps R134a like this http://www.mcquayeurope.com/en/index/prodotti/4/5
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    Sorry valdelocc wich dampers it has not damper...

    Sorry valdelocc wich dampers it has not damper for air is in the roof, this is not an AHU
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    I am working on some mcquay heat pumps AWS model...

    I am working on some mcquay heat pumps AWS model but in one of them i am having a problem from some days. In cooling mode all is ok they newer got problems they are air cooled . One of them is having...
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    1,392

    Mcquay Cond press high alarm

    I am working on some mcquay heat pumps but in one of them i am having a problem from some days. In cooling mode all is ok they newer got problems they are air cooled . One of them is having...
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