M2 OLED Temperature Monitor Instructions
PN 1841
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*
Sensors
Blue Sea Systems PN (1821)
Sensor Range
-40°F – 250°F (-40°C –120°C)
Sensor Resolution
1%
Temp Alarms
80dB
External Relay
0.5A DC
* 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 meter if the user does not follow the procedures.
CAUTION: The
symbol refers to restrictions and rules with regard
to preventing damage to the meter.
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 meter is installed.
• If an AC generator is installed on the vessel, it must be stopped
and rendered inoperable before the meter is installed.
• Verify that no other DC or AC sources are connected to the vessel's
wiring before installing the meter.
CAUTION
• The back of the unit is not waterproof. Do not install where the back
of the meter 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
4x 1821
Temperature Sensors
#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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