KBF-S / KBF-S-UL (E6) 11/2021
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Remark when operating the chamber with a power frequency of 60 Hz:
When connected to a power supply 1N~ with a frequency of 60 Hz, a leakage current of more than 3.5
mAmp is possible. If grounding through the power cable is insufficient or missing, the leakage current may
flow through the user’s body. Correct installation of the professional grade power socket provided by the
user safely avoids this. Before connecting the chamber to the socket, please check its grounding contact
type plug for appropriate construction and whether it is undamaged.
DANGER
Electrical hazard by high leakage current.
Deadly electric shock.
Earth connection is essential before connecting supply. Check socket before inserting
plug.
5. Functional overview of the RD4 chamber controller
The RD4 chamber controller controls following parameters inside the chamber:
•
Temperature in °C or °F
•
Relative humidity in % r.h.
For the control ranges of temperature and humidity, see climatic diagrams (chap. 19).
You can enter the desired set point values in the “
Set points
” menu directly at the controller or use the
APT-COM™ 4 Multi Management Software (option) specially developed by BINDER.
The controller offers various notifications and alarm messages with visual and audible indication. All con-
troller settings remain valid until the next manual change. They are stored also after turning off the chamber.
Status icons
Temperature values
Humidity values
Text information
Temp. / Humidity
Figure 17: Normal display of the RD4 controller (sample values)
Status icons in the controller display
Icon
Signification
Icon
Signification
Heating active
Display of activated special controller functions.
1 = Humidity off, 2 = Idle mode
Refrigeration active
Collective alarm
Information
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