Electrical Installation; Remove The Access Plugs - Hach Lange Relay Module Manual Del Usuario

Figure 2 Product components
1 Relay card module
2 Screws
Installation
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.

Electrical installation

D A N G E R
Electrocution hazard. Always remove power to the instrument before
making electrical connections.
3 Card connector
4 Label
D A N G E R
Electrocution hazard. If this equipment is used outdoors or in
potentially wet locations, a Ground Fault Circuit Interrupt (GFCI/GFI)
device must be used for connecting the equipment to its main power
source.
D A N G E R
Electrocution hazard. Use only fittings that have the specified
environmental enclosure rating. Obey the requirements in the
Specifications section.
W A R N I N G
Electrical shock hazard. Externally connected equipment must have an
applicable country safety standard assessment.
W A R N I N G
Electrocution and fire hazards. For instruments with a power cord,
make sure that there is easy access to the local power disconnect.
W A R N I N G
Electrical shock and fire hazards. Make sure to identify the local
disconnect clearly for the conduit installation.
N O T I C E
Make sure that the equipment is connected to the instrument in accordance with
local, regional and national requirements.

Remove the access plugs

Install cables and conduit through the electrical access ports. Refer to
Figure 3. Remove rubber sealing plugs by pushing them out from inside
the enclosure to unlock the seal, and then remove completely by pulling
from the outside. Remove knockouts as necessary from the electrical
access plate with a hammer and screwdriver. To keep the enclosure
rating, put a cover on all ports that are not used.
English 5