Cold location controller for top-hat rail installation with enhanced operating modes for 4 cold locations
2 CRC-BL_V2.4.3_PI_2022-03_EN
Subject to technical changes
CRC-BL
1.3 Safety instructions
Writing conventions
WARNING
• Avoid the described hazard: otherwise, electric voltage represents a danger that could lead to
fatal or serious bodily injury.
CAUTION
• Avoid the described hazard: otherwise minor or medium bodily injury or damage to property will
result.
For your safety
For safe operation and to avoid personal injury and equipment damage through operator error, read
these instructions, become familiar with the device, and follow all safety instructions on the product
and in this document, as well as the safety guidelines of Wurm GmbH & Co. KG Elektronische Sys-
teme. Keep these instructions ready to hand for quick reference, and pass them on with the device if
the product is sold.
Wurm GmbH & Co. KG Elektronische Systeme accepts no liability in the case of improper use or use
for purposes other than the intended purpose.
WARNING
DANGER TO LIFE FROM ELECTRIC SHOCK AND/OR FIRE!
• Switch off the power to the entire plant when carrying out installation, wiring or disassembly work!
Otherwise, mains voltage and/or external voltage may still be present, even if the control voltage
is switched off! Always remove both power plugs (L and N).
• The wiring of the device must be carried out only by qualified electricians!
• Use the correct tools for any work!
• Check the entire wiring after connection!
• Observe the maximum loads for all connections!
• Never expose the device to moisture, for example due to condensation or cleaning agents.
• Stop operating the device if it is faulty or damaged and its safe operation is compromised!
• Do not open the device.
• Do not repair the device yourself! If the device requires repairs, send it in with an exact descrip-
tion of the fault!
CAUTION
ELECTROMAGNETIC INTERFERENCE MAY CAUSE FAULTS!
• Always use shielded data cables, and place them far away from power lines!
Target group
This manual is intended for "service technician" personnel.
Intended use
The CRC-BL is a cold location controller for max. 4 cold locations.
Wurm Infocenter paperless info
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