INITIAL SYSTEM SETUP
Note: If you have any questions regarding the installation of your M2 meter, or any Blue Sea System product,
please contact the technical support team
Email: tech.bluesea@OneASG.com
Phone: 1.800.307.6702 Select option 2 for Technical Support. Select Blue Sea Systems from the brand menu.
Installation:
1. Review installation instructions and have all material prepared before beginning installation.
2. You may need the following in addition to the meter and its included contents:
• One (1) 5A fuse and fuse holder
• Common connection point such as a Power Post or Bus Bar.
• Up to four (4) temperature sensors (included).
i. 1820 sensors (2 included) are rated -40C to 80C (-40F to 175F) and are water proof.
ii. 1821 sensors (2 included) are rated -40C to 150C (-40F to 300F) and are NOT water proof.
• Wires, terminals, and tools needed for electrical installation.
i. Use water proof heat shrink or water proof rated heat shrink terminals for temp sensors installed in wet locations.
3. Choose Meter mounting style from page 13 and use the provided cutout templates on page 14 to prepare the installation location
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The Quick Start Guide also contains mounting options and cutout templates.
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Cutout template for the 1525 360 Panel Mounting Kit is provided with the 1525.
4. Ensure all Power Sources (both AC and DC) are disconnected before wiring meter.
5. Make all connection to the meter's terminal block before connecting terminal block to meter.
• See Wiring Diagram and Pinout notes on page 4.
• The 5A Fuse to pin 2 should be within 7" of the power source. Do not put the fuse in the fuse holder at this time.
• If you are not using the relay output feature the pins 3 and 4 do not need to be wired.
• See pages 11-12 for some wiring options for the Relay Out feature.
6. Plug wired terminal block into the back of the meter.
7. Keeping hands away from the terminal block, insert the 5A fuse into the fuse holder, this will power the meter.
8. Go to next section "Basic Meter Setup" to properly setup your meter.
Basic Meter Setup:
Note: Meters running firmware revision SW014 or higher, have the ability to read and write a configuration file, allowing you to save
your settings to a USB thumb drive. This can be used to restore previous settings or to quickly set up additional meters. Please see
the firmware update and configuration instructions on our website: www.bluesea.com
Note: Detailed information of meter use and settings start on page 5.
1. No setup is required to use the 1841 M2 Bilge Monitor. However, you may want to change the input label or turn off unused inputs to prevent
them from being displayed.
2. To do this, go to the Setup Menu by pressing any button to bring up the button labels, then pressing the Select button.
3. Scroll down to Temp 1 Setup and press the Select button.
4. If the input is used, you can change the label by pressing the Select button, when the label is highlighted.
5. If the input is not used, set Enabled to OFF. This will prevent unused inputs from being displayed.
6. Repeat steps 4-5 for each Temp Setup.
7. Display options and explanations is found on page 6 under "Other Display Indications".
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