Repair work at the humidifying and dehumidifying system
Range A:
Control range of temperature and
relative humidity
Range B:
Discontinuous range
(no continuous operation
Figure 46: Temperature-humidity diagram KBF
Entry of the humidity set-point 0 % in defined program sections permits completely switching
off humidity in Program Mode and thus attaining faster temperature changes.
The climatic chamber KBF is equipped with a door heating and door frame heating system to prevent
condensation in the door area.
If the set points for temperature or humidity are outside the optimum range, condensation can arise in the
door area.
CAUTION
Condensation by excess humidity.
Danger of corrosion on the housing after operating at humidity values > 70 % r.H. for
a long period.
Before shut-down for several days we recommend drying the appliance:
•
Set the humidity to 0 % r.H. and switch on the humidity switch.
•
Set the temperature set point to 60°C /
140°F
for approx. 2 hours
(Manual mode).
•
Only then, shut down the unit at the main switch and close the tap of the
water supply.
Having switched off the unit by the main switch, always close the tap of the water supply.
Service Manual KBF (E5.2) 04-2015
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