Master module for process control of R744 refrigeration plants
2
HCO2-G4_R.1.0.9_V8.1.4_PI_2018-12_EN
Subject to technical changes
HCO
2
-G4
1.3
Safety instructions
Writing conventions
CAUTION
•
Avoid the described hazard, otherwise there is risk of
minor
or
medium
bodily injury or property
damage.
WARNING
•
Avoid the described hazard, otherwise there is danger from
electric voltage
which can lead to
death or
serious
bodily injury.
For your safety
For safe operation and to avoid personal injury and equipment damage through operator error, always
read these instructions, familiarise yourself 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
Systeme. 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 case of
improper use or use for other than the intended purpose.
WARNING
DANGER TO LIFE FROM ELECTRIC SHOCK AND/OR FIRE!
•
Switch off the power to the entire plant when installing, wiring or removing! Otherwise a mains
voltage and/or external voltage may still be present even if the control voltage is switched off.
•
The wiring of the device should be carried out only by a qualified electrician.
•
Use only the correct tools for all work.
•
Check all wiring after connection.
•
Take note of the maximum loads on all connections!
•
Never expose the device to moisture, for example due to condensation or cleaning agents.
•
Take the device out of operation if it is faulty or damaged, and is therefore compromising safe
operation.
•
Do not open the device.
•
Do not repair the device by yourself! If required, send it in for repair with an exact description of
the fault.
CAUTION
ELECTROMAGNETIC INTERFERENCE CAN CAUSE FAULTS!
•
Use only shielded data lines and place them far away from power lines.
Software revision and validity of documentation
Any software versions not listed are special solutions for individual projects and are not described in detail in this
document. This document automatically ceases to be valid if a new technical description is issued.
Manufacturer:
Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
You can find more information on our website at
www.wurm.de
.
Target group
This manual is intended for "service technician" personnel.
Intended use
The HCO
2
is a master module for process control of R744 refrigeration
plants.
Revision
Version
Date
Functional upgrade
R1.0.9
V8.1.4
2018-12
Documentation status
