Vaisala DMP248 Instrukcja Obsługi Strona 110

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APPENDIX 2 ________________________________________________________________________
104 ____________________________________________________________________ U263EN-1.4
Power supply module
Installing the power supply module
The mains power connection may be connected to the power supply
module only by an authorized electrician. A readily accessible
disconnect device shall be incorporated in the fixed wiring (IEC 950).
Remove the plastic plug in the transmitter housing and replace it with
the cable gland. Fasten the power supply module to the bottom of the
housing with four screws; select the correct mains voltage with
voltage selector switch (230/115).
Attach the grounding wire screw and washer to the grounding terminal
on the right-hand side of the module. Attach the wires from the power
supply module to the power terminal on the main board of the
transmitter.
NOTE
The jumper in connector X3 has to be in position ON; otherwise no
power is supplied to the transmitter.
When the power supply module is on, the power on LED is lit.
from power supply module
BLK
RED
BLK
RED
replace plastic plug with cable gland
for ¢ 7...12 mm cable
AC mains terminal
4 pcs M3 screws for mounting
(prefix with fibre washers)
voltage selector switch
115/230 VAC
M4 screw and washer for
protective ground terminal
-
+
-
+
L
N
update the instrument label with
the correct supply voltage label
according to the selected operating
voltage
power supply cable: strip wires
only 5 mm
use crimped terminal for ground wire if
stranded wire is used
probe cable gland
signal cable gland
arrange signal cable wires so that
they do not reach bare AC wires
when the cover is closed
X3
on
off
24V
+
~
-
~
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