10
Locate the RTU as close as possible to the
control cabinet while considering the antenna
cable length.
Warning:
Turn off station power to
avoid damage to mainboard.
Note:
MyDro units should be connected
to a LPS-certified power supply (12 VAC
60 Hz
~
or 12 VDC ).
1. Mount the enclosure.
2. Cut the conduit and wiring holes. Drill and
attach the conduit in the control cabinet
and Mission RTU. Use sealant where
appropriate.
3. Pull the wires and cables.
4. Ground the RTU. Use 12 to 14 gauge
green wire to connect the grounding lug
on the backplate in the RTU to the stations
Earth ground (refer to Figure 1).
Note:
If using the Safe Module Plus
for sensing the high-level float in an
intrinsically safe manner, install it now.
Refer to the MyDro Expansion Module
Installation Manual for more information.
5. Terminate digital inputs. Refer to the
wiring diagram on the M150/M850 cover/
door and the RTU Installation Form in the
packing box. Record input names on the
setup form and the diagram.
Chapter 4: RTU Installation and Wiring
Enclosure Options
NEMA 4X
Mount outdoors on
unistrut or a wall. Allow
clearance for hinge (left)
and key reader (right).
Consider the NEMA 4 for
indoor application where
wash-downs occur.
Conduit connections
can enter from bottom,
but leave space for the
included battery.
NEMA 1
FlatPak
Use indoors where no wash-downs occur.
Allow for space on bottom of the enclosure for
the battery.
Mount inside the control cabinet.
Two large holes are provided for through-wires.
Place battery inside the control cabinet.
