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This depends on the ac unit. Some are definitely made for horizontal only and some allow vertical installation. Check the installation manual; if you don't have it then most of them are available online.
Remove the immobilizer unit?
The Installation manual that came with it will tell you, but typically 50` one way is the max. Provided the difference in elevation of the components (also in the manual) are within spec.
The flux detector unit senses the magnetic field of the Earth in order to determine aircraft heading.
Aircraft bathrooms are manufactured as a complete module which is installed by the aircraft manufacturer to the customer requirements. There location on the aircraft as well as the number installed is an option for the customer to choose. The modular construction allows their removal or installation at a later date if the customer wishes to change the aircraft configuration. No windows are installed to the unit as the position of the module is variable and may not align with a window aperture in the fuselage.
On a WC macerator installation the electrical supply to the unit should be wired from a switch.
The installation manual will tell you what size lines are acceptable.
An aircraft cargo container is commonly known as a unit load device (ULD)
An airwing is a military or police unit which is equipped with aircraft.
Installing brick fireplaces can be a daunting task. this job requires that the person installing the unit has a fair knowledge of brick fireplace installation or at least a manual, which can be found online. these manuals are typically extensive.
Unit EM Representative
The installation and maintenance manual for your unit should tell you that. I would say 8-10 and a minimum air flow of around 1200 cfm.