Dc Power Supply Input (Optional); Figure 12 Dc Power Supply Connections - Michell Instruments PURA User Manual

Pura Online Hygrometer User Manual
2.5.5

DC Power Supply Input (Optional)

Connect the DC power supply to the monitor as shown in Figure 12 . Refer also to
Table 4 which gives a summary of all the connections to the rear panel of the monitor.
1. Ensure that no power is connected to the mains lead.
2. Connect the blue (white – US standard) lead (2) to terminal 23 on the
rear panel of the monitor.
3. Connect the brown (black – US standard) lead (3) to terminal 24 on the
rear panel of the monitor.
4. Strip back the insulation on the free end of the power cable and wire
to an appropriate power supply plug (brown lead to positive (+) supply
terminal, blue lead to negative (-) supply terminal).
5. Check that the wiring has been completed correctly before connecting to
a 24 V power supply.
Michell Instruments
3
2
Monitor
viewed from underneath
Figure 12 DC Power Supply Connections
INSTALLATION
1
1 0 1 1
9
8
7
6
3
5 2 2 2
4
3 0 2 1
2 1 9 2
7 1 8
1 6 1
5
1 4 1
4
13