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4 Installation
4.1 Precautions
Before starting work, make sure that the safety instructions have been read and understood.
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
DANGER: Electrical Hazard
All electrical equipment must be grounded (earthed). Test the ground (earth) lead to verify
that it is connected correctly and that the path to ground is continuous.
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all electrical work.
Comply with all local codes and regulations.
WARNING: Electrical Hazard
There is a risk of electrical shock or explosion if the electrical connections are not correctly
carried out, or if there is fault or damage on the product. Visually inspect equipment for
damaged cables, cracked casings or other signs of damage. Make sure that electrical
connections have been correctly made.
CAUTION: Electrical Hazard
Prevent cables from becoming sharply bent or damaged.
4.2 Requirements
4.2.1 Facility
Exposure to water or physical damage
It is recommended to install the controller such that exposure to water or risk of external
physical damage is decreased.
Explosive zones
NOTICE:
Do not use this unit in environments that may contain flammable/explosive or chemically
aggressive gases or powders.
4.2.2 Electromagnetic compatibility
Make sure that the equipment or system in which the product is incorporated complies with
the electromagnetic compatibility (EMC) legislation of that country.
DCM 711 Installation, Operation, and Maintenance Manual
4 Installation
17
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