Refer to your manual or call the manufacture for the proper information.
The refrigerant (freon) in any air conditioner should last the life of the unit. If not, you have a leak.
nowhere
overcharging a central air unit system with refrigerant(freon) will cause the head pressure to be?
As much as the manufacturer says it should hold. They are all different.
depends on freon type,quanity,hourly rate of hvac co.
As much as went in. Not trying to be a smarta**, but there is no info on unit size or lineset length which are the 2 most determining factors of unit charge amount.
Yes.
A Freon leak can cause you headaches and nausea but not cause severe health issues. You should have the leak repaired by a qualified professional as soon as possible.
A reputable HVAC service Co. will locate and repair the leak and recharge your system.
How much freon does a 5 ton heat pump hold?
It means that the unit is low in freon and the line temperature is to low.
Never, unless you have a leak.