Johnson JR8 Serie Guide D'utilisation page 103

There are obstacles on the air inlet side but
no obstacles on the air outlet side.
No obstacles above the outdoor unit：
Unit:mm
One outdoor unit
More than one outdoor unit
There are obstacles above the outdoor unit：
Unit:mm
One outdoor unit
More than one outdoor unit
Fig. 5.5
≥300
≥300
Fig. 5.6
24
NOTE
When the outdoor unit is installed in the space
with three ring walls or walls above at the same
time, the length of the left and right walls of the
machine shall not exceed 1000mm, otherwise
the flexible air duct shall be added to guide the
air.
There are obstacles on the air outlet side but
no obstacles on the air inlet side
No obstacles above the outdoor unit：
Unit:mm
One outdoor unit
More than one outdoor unit
There are obstacles above the outdoor unit：
Unit:mm
One outdoor unit
Fig. 5.7
≥300
V.1