700-Bubbler-Man Rev 12 13 Feb 2020
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2.7 POWER CONNECTIONS
The Bubbler requires a dedicated +12VDC power source to operate. This is normally supplied by an
external lead-acid battery. Although the Datalogger supplies some power through the SDI port, it is
only enough to view and operate the Bubbler’s screen. It is insufficient to run the compressor.
If the Bubbler is sharing an external battery source with other equipment, the combined power
draw will need to be considered when calculating the site’s power budget and power requirements.
IMPORTANT! If not using an FTS supplied power cable (Part #18945) between
the battery and the Bubbler, an equivalent power cable should be used. The
power cable should be 14 AWG to a maximum of 8 ft with an integrated 20A
slow blow fuse.
To connect the power cable:
1) Remove the power terminal block from the port
2) Secure the power wires to the appropriate pins
(positive and negative – see Figure 2-4).
3) Connect the power cable to the power source
(positive to positive, negative to negative).
4) Re-insert and secure the power terminal block.
Figure 2-6: Power Connections
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