Mitsubishi VRV gas charge

[jsimon]

Hi does anybody know at what percentage of the gas charge lost will trip the lp switch on a R410 Mitsubishi inverter pury-ep-650-sjm a
would this fault register as a code on the controller and would this lock out

Thanks in advance for any advice :D

[Brian_UK]

If it has had a leak then the percentage doesn't matter, you will have to recover the remaining charge, fix the leak and recharge it by weight again.

[Tayters]

Not sure about the specifics of a Mitsi but generally a minor shortage of charge will produce discharge thermistor error codes first. To trip an LP switch would indicate a pretty major loss of charge.

Cheers,
Andy.

[install monkey]

ep 650 factory charge 20kg, plus additional charge-1301 fault code is low pressure, usually the unit will run as normal but with poor performance, that unit doesnt have the sensors in the accumulator to give a hint of low refrigerant