23
Operation and Service KBL 4000/4500
Figure 3-20 Unit cooling
Figure 3-21 Exhaust air of the canopy and ex-
haust-air fan (assembly photo not showing the
exhaust-air hose)
If the system is equipped with an air-conditioning unit (optionally
available), the base pane is also cooled.The ambient air is su-
cked in through the fi lter, chilled in the air-conditioning unit and
led through an air hose to the space between ducting pane and
base pane. At the foot end of the base section the air is blown
into the tanning space of the system.
Cooling of the
base pane
Figure 3-22 Principle of cooling of the base sec-
tion with air-condition unit
Figure 3-23 Exhaust air
duct