It is possible to install the Litter-Robot 4 in a piece of furniture on a balcony, but you need to consider a few important factors concerning the dimensions and space available.

- Product dimensions:
- Width: 56 cm
- Depth: 68.6 cm
- Height: 75 cm
- Empty weight: 10.9 kg.

- Space requirements:
Make sure that the cabinet where you want to install the Litter-Robot 4 has enough space to accommodate these dimensions. It's also important to leave some space around the product for adequate ventilation and easy access for cleaning and maintenance.

- Use for a Maine Coon:
The Litter-Robot 4 is designed to accommodate cats of all sizes, including Maine Coons, thanks to its wide opening and spacious interior.

In short, if the furniture on your balcony is large enough to accommodate the Litter-Robot 4 and you can ensure good ventilation, it is perfectly possible to install this product in this context.