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Thread: Mitsubishi vrf lev reset
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21-12-2020, 03:02 PM #1
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Mitsubishi vrf lev reset
Hi,
I am attending a site tomorrow that has a pury p 250 ygma
Vrf that I would like to do an lev reset,
My question is do i just do a total virgin restart and power everything down and switch indoors then outdoors then BC box or do I need to do something else.
I do have have the mnet tool and a laptop, can it be done through that,
Thanks in advance.
Matt.
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21-12-2020, 09:44 PM #2
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Re: Mitsubishi vrf lev reset
I'm no Misti expert so take this with a pinch of salt but I thought it's just a case of resetting the power to reset the LEV position.
Virgin reset was to get rid of units no longer on the system or that type of thing?
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22-12-2020, 07:43 PM #3
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Re: Mitsubishi vrf lev reset
So went there today, they have a puhy ep 250 ygkma with 14 indoors and 1 x bc box.
All heating and cooling except 1 x compact cassette,
Reset levs by unplugging mnet and powering up, and did a virgin restart of system, still no heat, plugged in mnet monitor tool got th2 is hotter than th3 ? Sv b in bc box shows open,
Took a screenshot of readings this is what it did for 2 hours and didn't change.
