Blue Sea Systems M2 OLED Instruction Manual

Connector Pin Assignment System Overview
360 Panel Mounting Kit PN 1525 sold separately
Components Included
bluesea.com/products/1838
M2 OLED
Digital Monitor
QuickStart Installation Guide
1838 AC Multimeter
Screen Menu Functions
Connector Pin Assignment Table
Connector Function
1 AC Voltage 1 - HOT
2
3
4
1
2
3
4
5
6
7
8
USB
AC Voltage 1 - NEUTRAL
AC Voltage 2 - NEUTRAL
AC Voltage 2 - HOT
DC Ground
DC Supply (8V-70V)
Relay Output
Relay Supply
AC1 Amps
AC1 Amps
AC2 Amps
AC2 Amps
Micro USB Port
To loads
Relay
(7713 12V)
(7717 24V)
Alarm (1070) LED
(8033 Amber)
(8171 Red)
(8172 Green)
OROR
AC1 H
AC1 N
AC2 N
AC2 H
1 2 3 4
1838 AC Multimeter Connections
M2 Meter Navigation
From Supply
Press any button to bring up the menu.
1. After start-up, press any button to access the menu.
2. Press the UP or DOWN arrow buttons to scroll
through menu windows.
3. To set alarms and for more detailed information, see
the online manual at bluesea.com/products/1838
12345678
Optional
Transformer
0.25A to 0.5A
Fast Acting Fuse
0.25A to 0.5A
Fast Acting Fuse
1. Choose meter mounting style and location
2. Turn of AC Power
3. Prepare mounting hole using cutout templates
4. Using wiring diagram:
• Install provided 150A/50mA Current Transformer.
• Make all connections to the meter’s connector.
Do not put fuses into fuse holders at this time.
5. Plug wired terminal block into the meter
6. Insert fuses into fuse holders, making the fuse to Pin 2
(DC Supply) Last.
7. Turn on AC Power.
1. If using the included 150A/50mA Current Transformer,
no setup is required.
2. If you are only monitoring one AC Line, you may want
to turn o the unused inputs to prevent them from
being displayed.
3. For information regarding advanced setup options,
see the full instructions on our website.
AC Current Transformer
8256 (1X)
M2 Head Unit Surface Mount Gasket
Mounting Ring
Surface Mount Bezel
and Seal
Mounting Nut
Flat Mount Bezel
Screwdriver
(retail package only)
Bezel
Mount
Footer
Header
Carrier
Mount
#6-32 x 1/4"
Flat Head
Machine Screws
(4X)
#6-32 x 3/8"
Flat Head
Machine Screws
(4X)
Surface Mount Cover Flat Mount Clamp
Panel
Frame
Connector
980019960 Rev.003
bluesea.com
Basic Meter Setup
Installation Steps
Click here for more information at
bluesea.com/products/1838
NOTE: The 1838 comes with the 120/240 AC screen disabled. This display can be enabled by pressing: Menu > 120/240 Setup > Enable
5A Fuse
5A Fuse

If you are not knowledgeable about electrical
systems, have an electrical professional install this
unit. The diagrams in these instructions pertain to
the installation of the unit and not to the overall
wiring of the vessel.
Verify that no other DC or AC sources are connected
to the vessel’s wiring before installing the unit.
WARNING
The back of the unit is not waterproof. Do not
install where the back of the monitor is exposed
to water.
CAUTION
WARNING
The WARNING symbol refers to possible injury to
the user or significant damage to the monitor if
the user does not follow the procedures.
CAUTION
The CAUTION symbol refers to restrictions and
rules with regard to preventing damage.
The M2 OLED Digital Meters come with a 5 year
manufacturer’s warranty. This means the meter is
warranted to be free from defects in materials or
workmanship for 5 years from the date of first
purchase. The warranty is limited solely to the cost
of repair or replacement of the M2 Meter product.
Costs associated with labor or shipping of the
defective parts are not covered.
Blue Sea Systems cannot accept liability for damage
due to the misuse of the M2 Meter.
Warranty
Flat Mount
Surface Mount
Mounting TemplatesMounting Options
Mounting
Substrate
Mounting
Substrate
Clamp
Flat
Mount
Bezel
M2
Head
Unit
M2
Head
Unit
Surface
Mount
Bezel
and Seal
Mounting
Ring and Nut
Surface
Mount
Gasket
Mounting
Ring and Nut
Surface
Mount
Cover
NOTE: During
installation use
cover to align the
bezel and gasket 3.40" (86.5mm)
3.46" (87.9mm)
Ø2.125"
(54mm)
Cut Line
Cut Line
3.34" (84.8mm)
3.03" (77mm)
3.03" (77mm)
3.34" (84.8mm)
Flat mount bezel edge
Flat Mount
Surface Mount