Blue Sea Systems M2 Instructions Manual
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Blue Sea Systems M2 Instructions Manual

Oled bilge monitor
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M2 OLED Bilge Monitor Instructions
PN 1842
Installation Checklist
• Check for components included
• Read Warning and Cautions
• Read page 3 for mounting instructions
• Read System Overview, Mounting Considerations, Detailed Wiring,
and Sensing Description
• Follow Initial System Setup instructions
• Configure Displays
• Configure Alarms
• Configure Relays
Specifications
Display Size
55mm x 28mm
Power Supply
7V–70V DC
Power Consumption
0.3W–1.0W*
Alarm/Relay Notifiation
Run time per hour
Cycles per 24-hour
Cycle Counter
Cycle Counter
Compatible with bilge monitors with external floats switches
or with automatic bilge switches that indicate on status
via a 12V output.
* Variable with voltage, display intensity, and sleep mode
Regulatory
Monitor face is IP66 – protected against powerful water jets
when installed according to instructions
Warning and Caution Symbols
WARNING: The
symbol refers to possible injury to the user or
significant damage to the monitor if the user does not follow the procedures.
CAUTION: The
symbol refers to restrictions and rules with regard
to preventing damage to the monitor.
WARNING
• 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 M2 Digital Meters and not
to the overall wiring of the vessel.
• If an inverter is installed on the vessel, its power leads must be
disconnected at the battery before the monitor is installed.
• If an AC generator is installed on the vessel, it must be stopped
and rendered inoperable before the monitor is installed.
• Verify that no other DC or AC sources are connected to the vessel's
wiring before installing the monitor.
CAUTION
The back of the unit is not waterproof. Do not install where the back
of the monitor is exposed to water.
Components Included
M2 Head Unit
Surface Mount Bezel
Surface Mount Cover
Flat Mount Bezel
Mounting Ring
Mounting Nut
Connector
Screwdriver
Retail Package Only
360 Panel Mounting Kit
(PN 1525 sold separately)
Header
Bezel
Mount
Carrier
Mount
Footer
Surface Mount Gasket
and Seal
Flat Mount Clamp
#6-32 x 1/4"
Flat Head
Machine Screws
(4X)
Panel
Frame
#6-32 x 3/8"
Flat Head
Machine Screws
(4X)
1

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Summary of Contents for Blue Sea Systems M2

  • Page 1 (PN 1525 sold separately) electrical professional install this unit. The diagrams in these instructions pertain to the installation of M2 Digital Meters and not to the overall wiring of the vessel. • If an inverter is installed on the vessel, its power leads must be Header #6-32 x 1/4"...

  • Page 2: Installation

    Mounting Considerations M2 Digital Monitors have three mounting methods: surface mount, flat panel mount, and 360 panel mount. When surface mounted per instructions the unit face is waterproof to IP66. Flat panel and 360 panel mounting systems are not waterproof. The unit should not be flat panel or 360 panel mounted...
  • Page 3 Flat Mount 360 Panel Mount PN 1525 STEP 1 Use 1/4" Mounting Screws Mounting Ring and Nut 360 Panel Mount Carrier Clamp Panel Frame Flat Head Mount Mounting Unit Bezel Substrate STEP 2 Surface Mount Snap header and footer Header into mounting clips and post.

  • Page 4: Pin-Out Table

    Bilge Functions (1842) Monitor up to four bilge pumps. Provides High/Low level alarms for each channel. Connections IMPORTANT! The Sensing Description section of this manual gives important details to the location of sensors in the AC and DC electrical systems of the boat. Improper location and configuration of sensors can result in erroneous readings and possible damage to components. Pin-out Table 1842 Connector Pin Assignment Table 8 Pin Connector*...

  • Page 5: Detailed Wiring

    Detailed Wiring 1842 Bilge Pump Monitor 1 2 3 4 5 6 7 8 Busbar SPDT Switch Bilge Pump Battery Float Switch Relay Alarm (1070) (7713 12V) (8033 Amber) (7717 24V) (8171 Red) (8172 Green) * Use bilge pump manufacturers recommended fuse. Float Switch Connections 1 2 3 4 5 6 7 8 Battery...
  • Page 6 M2 Relay Connections M2 Meters contains an internal MOSFET relay that can drive external DC loads up to 0.5A. The input is protected with a thermally activated auto-reset- ting fuse that will protect against shorts. In addition, an inline fuse rated at 5A should be used to protect against shorts. In typical applications, a power source is connected to the Relay+ pin and a load is connected to the Relay Out to Load connection.

  • Page 7: External Relay

    External Alarm (1070 Floyd Bell Turbo) The Relay+ terminal can support an external audible alarm. Such as the Floyd Bell Turbo Alarm (1070). External Alarm Supply 5 to 30V DC 1 2 3 4 5 6 7 8 + Red - Silver 1070 External Relay...

  • Page 8: Getting Started

    Example Screens From PN 1842 Bilge Monitor When an M2 Meter is initially powered up, it will display the Blue Sea Systems Logo, its serial number and its Software revision. After a couple of seconds, the unit will display a high-level System Summary screen.

  • Page 9: Configuring The Monitor

    Setting Alarms The M2 Monitor family provides monitoring capability of bilge input channels. Alarms are triggered if a channel is above or below a certain user select- ed threshold value. The following example indicates how to setup a run time high alarm.
  • Page 10 Relay Setup & Control M2 Monitors provide an option to control an external relay. The M2 can trigger the relay based on runtime in an hour or the number of cycles in 24 hours. These relay options can be set from the Relay Setup menu. To get there, first navigate to the Setup menu. Then scroll to Relay Setup and press the Select button.
  • Page 11 Setting Input Thresholds Settings for each channel’s high and low thresholds are provided. The connected relay’s normal operating state will toggle (change state) if these thresh- olds are met. For both high and low thresholds, the activation and deactivation levels are different to prevent the relay from rapidly toggling (cycling on and off).

  • Page 12: Display Setup

    Clearing Relay Notification If the Notification option is set to ON then any time the relay is opened (Normally Off) or closed (Normally On). A message will be displayed on the main screen. Pressing a key will clear this notification. If Silence is set to ON then the relay will be opened (Normally Off) or closed (Normally On). Viewing Relay Status For any active alarm, the parameter will flash if it is displayed.
  • Page 13 Changing System Labels The M2 allows the user to change the labels that are displayed above each channel. Each channel can have a maximum of 16 characters however in the summary screens only the first 11 or 12 characters of the channel label are displayed.

  • Page 14: Version Info

    Answer Yes to “Are you sure you want to update the Flash?” The red LED on the M2 will rapidly flash for about 10 seconds. If the upgrade was successful, a message with the new software version will be displayed.
  • Page 15 425 Sequoia Drive Bellingham, WA 98226 USA p 360.738.8230 p 800.222.7617 USA and Canada Customer Service f 360.734.4195 conductor@bluesea.com www.bluesea.com 980026130 Rev. 001...

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