Ruud Package Heatpump

[yorkdude]

Im having a problem with this unit cutting out on high pressure switch...It only does it in heat mode. everything checks out! in cooling it works pefectly fine. pressures,tempatures all good!! as soon as it goes into heat mode, suction stays at 65 psi and high side sky rockets to 400 psi then cuts out on safety..no restrictions in air flow what so ever. indoor/outdoor fans/motors check out.. IM PUZZLED! Any ideas out there???

[ar_hvac_man]

overcharged. betcha money.

[yorkdude]

I dont know man..74 degrees ambient

[ar_hvac_man]

Not sure im getting what your saying. 74 inside or out?

[yorkdude]

Outside temp.

[yorkdude]

In most cases, i think if it was overcharged suction side would rise also.

[ar_hvac_man]

Inside temp is what is gonna affect your head press. in heat mode.
Doesnt it have a chart?

[ar_hvac_man]

TXV probably?

[yorkdude]

No chart...No txv. Cap tube.