Ventilator .......................................................
Control panel .....................................................
Control panel .....................................................
system .............................................................
system .............................................................
sunlight ...........................................................
circuit ..............................................................
4-2
4-2
4-3
4-4
4-4
4-6
4-9
4-11
4-11
4-12
4-12
4-12
4-13
4-13
4-14
4-15
4-16
4-17
4-17
4-17
4-17
4-17
Climate control
4-18
4-18
4-18
4-18
4-19
4
4-1