Blue Sea Systems Marine GPS System PN9112 User Manual

Specications  
Combine  
Automatic Drop Out  
Automatic Over Voltage Drop Out  
Combine Time Delay  
Coil Circuit:  
13.6, 27.2 Volts  
12.6, 25.2 Volts  
15, 30 Volts  
Marine Electrical Products  
L-Series ACR with Coil Economizer  
PN 9112  
30 Seconds  
Input Voltage:  
Power Consumption:  
9 - 36 Volts DC  
3.8 Amperes@12-36V DC  
Holding 12 Volts: 0.13 Amperes@12V DC  
0.07 Amperes@24V DC  
Features  
Inrush, 130ms:  
• Automatically combines battery banks during the charging cycle and  
isolates under discharge  
• Override for emergency engine paralleling to start an engine  
• Activates whether the charging source is an alternator or battery charger  
• Output for “ON” indication LED  
• Integrated coil control minimizes heating and amperage draw  
• Hermetically sealed contacts/vaporproof  
• Single or double sensing  
• Pulse circuit requires very low current draw when contact is closed  
• Ignition protected - Safe for installation aboard gasoline powered boats  
• Meets SAE J1171 - External ignition protection requirements  
• UL Recognized - UL 508 industrial control equipment  
Main Power Contacts:  
Voltage Rating  
Stud Terminal Size  
Terminal Stud Torque  
Contact Form  
Inrush Rating: 250ms (10 repeats)*  
Mechanical Life  
Make Current@10,000 Cycles:  
Break Current@10,000 Cycles:  
60 Volts DC  
M8 (accepts 5/16” terminals)  
80-100 In-lb  
SPST-NO  
2000 Amperes  
1 Million Cycles  
2000 Amperes@28V  
2000 Amperes@28V  
Wire Size  
Cranking Rating  
Intermittent Rating Continuous Rating  
9.75 sec. (10 repeats)*  
5 min. (UL 1107)  
(UL 1107)  
1/0  
2/0  
450A  
500A  
800A  
375A  
250A  
450A  
300A  
Blue Sea Systems Inc.  
425 Sequoia Drive  
Bellingham, WA 98226 USA  
Phone (360) 738-8230  
2x2/0  
600A  
450A  
Fax (360) 734-4195  
* Blue Sea Systems Engine Starting Standard  
Guarantee  
Any Blue Sea Systems product with which a customer is not satised may  
be returned for a refund or replacement at any time.  
6693 Rev.005  
Installation Instructions  
Mounting  
• Select a dry and protected mounting location near the battery banks or the  
battery switch.  
• Choose a cool, dry, and well-ventilated location if possible. The L-Series ACR  
with Coil Economizer may become very warm when operating at full  
current-carrying capacity.  
• Avoid locations directly above batteries where corrosive fumes may be present.  
• Mount the relay securely with #10, #12, or 5mm screws through the anges at  
the base. Hole size is 0.22 inches.  
Sense One Battery Bank  
• Remove red ring terminal voltage sensing wire from the stud terminal A1or A2  
associated with the battery bank that you don’t want to sense.  
• Place the removed ring terminal over the stud terminal to which the other  
voltage sensing wire is attached, or insulate the ring terminal and fold it out  
of the way.  
The negative (black wire) connection from the relay to the battery negative must  
be as short as possible. Because the built in coil economizer causes current  
pulses in the control circuit, there may be noise present on the black wire and it  
should not be run with sensitive wires from other circuits.  
Electrical Connections  
The wiring conguration to the right represents a common installation and is not  
meant to be a guide for the wiring of a specic vessel. Consult your marine  
electrical professional for the wiring system applicable to your boat.  
Disconnect the positive battery connection before beginning the installation. If  
there is a possibility of tools causing a short, disconnect the negative terminals  
before disconnecting the positive battery terminals.  
Make electrical connections based on the wiring diagram to the right. Consult the  
Wire Sizing Chart on the following page to determine the appropriate wire size.  
If a manual control is installed to use this device for emergency paralleling of  
batteries for engine starting, no fusing is required in the main circuit, but wire  
sizes should be chosen for the full starting currents. If starting service is not  
included, choose circuit protection according to wire capacity. If a charging  
source is present and the relay is closed in automatic mode when an engine is  
started, starting currents can ow through this circuit. This can result in blowing of  
protection fuses if the wiring system does not limit the current.  
Voltage Sensing  
The 9112 ACR is designed to sense, and operate from, the voltage supplied by  
either battery. In a typical application, the engine driven alternator is connected to  
the starting battery. When the starting battery is sufciently charged, the ACR will  
close and share charging with the house battery. If a shore charger is supplying  
the house battery, when it has brought the house battery up to voltage, the ACR  
will close and share with the starting battery.  
Typical Conguration - Sense Both Battery Banks  
• Connect one battery bank to stud terminal A1  
• Connect the other battery bank to stud terminal A2.  
• Connect the black line (negative) from the relay to the battery negative  
through a 10-15 Amp in-line fuse to prevent fault current from owing in  
this wire.  
Caution: Battery cable terminals must be placed at the bottom of the stack  
under the sensing wire terminals, the at washer, the lock washer, and the nut.  
Tighten securely. Refer to the Lug Installation Diagram on following page.  
• Gray dashed lines indicate optional connections  
Wiring Diagram  
 

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