Hach-lange POLYMETRON 9610 sc SiO2 Operations Manual do Utilizador Página 12

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D A N G E R
Electrocution hazard. Do not connect AC power directly to a DC
powered instrument.
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. Protective Earth Ground (PE) connection is
required.
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
Electrical shock and fire hazards. A local disconnect is needed for a
conduit installation.
W A R N I N G
Electrical shock and fire hazards. Make sure to identify the local
disconnect clearly for the conduit installation.
W A R N I N G
Electrical shock and fire hazards. For a cord-connected instrument,
make sure to install the instrument so that the cord can be
disconnected easily from the supply socket.
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 10. 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 as shown in Figure 14
on page 16
. To keep the enclosure rating, put a cover on all ports that
are not used.
Figure 10 Electrical access ports
1 Power in (power cord only), no
ground plate. Do not use for
conduit.
3 Communication and network
modules (8x)
2 Communication and network
modules (3x)
4 Power in or out (conduit or power
cord), ground plate, communication
and network modules (8x)
12 English
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