4 connecting the power supply, Connecting the power supply -4 – YSI IQ SensorNet MIQ/PS Module User Manual
Page 12
Installation
MIQ/PS
3 - 4
ba76029e01
01/2012
3.4
Connecting the power supply
Warning
If the power supply is connected incorrectly, it may represent a
danger to life from electric shock. Pay attention to the following
points during installation:
The MIQ/PS may only be connected to the power supply by a
trained electrician.
The connection of the MIQ/PS to the power supply may only be
carried out when it is not carrying any voltage.
The power supply must fulfill the specifications given on the
nameplate and in chapter 5 T
.
When installed in a building, a switch or power switch must be
provided as a disconnecting device for the MIQ/PS.
The interrupt facility must:
– be installed in the vicinity of the MIQ/PS, easily accessible by
the user, and
– identified as a disconnecting device for the MIQ/PS.
After it has been installed, the MIQ/PS may only be opened if
the mains voltage has been switched off beforehand.
Materials required
Wire end sleeves, suitable for the power line, with suitable crimping
tool
1 x cable gland, matched to the cable diameter (see section 3.3 on
page 3-2).
Tools
Cable stripping knife
Wire stripper
Phillips screw driver
Small screw driver.
Preparing the power line
1
Cut off the cable to the required length.
2
Strip the cable insulation for approx. 45 mm.
3
Bare the wires of phases L and N and fit them with wire end
sleeves.
4
If present, cut off the protective earth conductor wire at the end
of the cable sheath.