Install the battery near the instrument with the backup battery mounting bracket. Refer to the
documentation supplied with the mounting bracket.
Use a backup battery 3-pin half cable to connect the backup battery to the instrument. Refer to
Table 2 to connect the backup battery to the DC terminal block.
Table 2 Backup battery wiring information (AC models only)
Connection Color (cable 8307900)
12 VDC (+) White
12 VDC return (–) Black
Connect to DC power
Use a minimum 18 AWG wire to connect to DC power from a solar panel or customer-supplied DC
power.
1. Open the access door. Refer to Open the access door on page 11.
2. Put the power cable through a strain relief fitting near the DC power connector.
3. Prepare the wires.
4. Pull to remove the DC power connector.
5. Install each wire in the connector. Refer to Figure 7 and Table 3.
6. Push to install the connector in the instrument.
7. Tighten the cable strain relief.
8. Install the access door.
Figure 7 Connect to DC power
English 15
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