Unless it was specifically built to rest that way, no! Certain parts of the AC system must be in an upright stance in order to work properly, or even work at all. This is why they make AC units in different configurations.
The high pressure side.
The low pressure (vacuum) side.
The AC low side service ports for a 99 Oldsmobile Aurora are located on the AC unit. This unit is located between the engine block and the back firewall of the vehicle under the hood. The service port is typically the largest port on the back of the AC unit.
300psi high side and 80psi low side
The low side of an AC system begins at the metering device outlet and ends at the compressor inlet.
To measure a window for an AC unit, first measure the width and height of the window opening. Then, ensure there is enough space on either side of the window for the AC unit to fit. Finally, consider the window type and installation requirements of the AC unit to ensure a proper fit.
The low side has a bigger fitting then the hide side
The low side.
The filter on your outside AC unit is typically located near the air intake grille or on the side of the unit. It is important to regularly check and replace the filter to ensure proper airflow and efficiency of your AC system.
No the out side fan is for venting heat away fromt he unit.
The necessary steps for installing a window AC unit using the installation kit are: Measure the window opening to ensure the AC unit will fit. Attach the brackets to the window sill to support the AC unit. Place the AC unit on the brackets and secure it in place. Install the side panels to fill any gaps between the unit and the window. Use foam insulation strips to seal any remaining gaps. Plug in the AC unit and test it to ensure it is working properly.
Condensing Unit... From VAMP Maintenance