Blue Sea Systems Power Supply PN 8618 User Manual

WARNING  
Marine Electrical Products  
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It is not possible within the scope of these instructions to fully acquaint  
the installer with all the knowledge of electrical systems that may be  
necessary to correctly install this product. If the installer is not  
knowledgeable in electrical systems we strongly recommend that an  
electrical professional be retained to make the installation.  
If either the panel front or back is to be exposed to water it must be  
protected with a waterproof shield.  
The panels must not be installed in explosive environments such as  
gas engine rooms or battery compartments as the circuit breakers are  
not ignition proof.  
The vessel’s shore power cord must be disconnected form shoreside  
power before installing this electrical panel.  
If an inverter is installed on the vessel its power leads must be  
disconnected at the battery before the panel installation. Be aware that  
many inverters have a “sleep mode” in which their voltage potential  
may not be detectable with measuring equipment.  
AC Main Power Distribution Panel  
PN 8618 / PN 8619 AC Main + 3 Position  
PN 8620 / PN 8621 AC Main + 8 Position  
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Panel Specications  
Material:  
0.125” 5052-H32 Aluminum Alloy  
Primary Finish:  
Chemical Treatment per Mil Spec C-5541C  
Final Panel Finish: Graphite color 2 part textured Polyurethane  
Amperage Rating: All components are sized for 100 Amps of  
continuous current  
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Voltage Rating:  
Meter:  
See Panel Features  
AC Digital Multimeter with Alarm PN 8247  
PN  
Inches  
Millimeters  
Overall Dimensions: 8618/8619 5-1/4 x 7-1/2  
8620/8621 5-1/4 x 11-1/4  
133.40 x 190.50  
133.40 x 285.80  
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If an AC Generator is installed aboard it must be stopped and rendered  
inoperable before the panel is installed.  
Verify that no other AC source is connected to the vessels’ wiring  
before the panel is installed.  
Mounting Centers: 8618/8619 4-7/16 x 6-11/16 112.70 x 169.90  
8620/8621 4-7/16 x 10-7/16 112.70 x 265.10  
Panel Features  
PN 8618 / PN 8619 / PN 8620 / PN 8621  
• PN 8247 AC Digital Multimeter with alarm  
Guarantee  
PN 8618 / PN 8620 - 120 Volts AC  
• One double-pole 30 Ampere AC main rocker circuit breaker  
• 15 Ampere rocker branch circuit breakers installed  
Any Blue Sea Systems product with which a customer is not satised  
may be returned for a refund or replacement at any time. Reference Blue  
Sea Systems’ Digital Meter installation manual for specic meter  
warranty information.  
PN 8619 / PN 8621 - 230 Volts AC  
• One double-pole 16 Ampere AC main rocker circuit breaker  
• 8 Ampere rocker branch circuit breakers installed  
Blue Sea Systems Inc.  
425 Sequoia Drive  
Bellingham, WA 98226 USA  
Phone (360) 738-8230  
Fax (360) 734-4195  
Applicable Standards  
• American Boat and Yacht Council (ABYC) Standards and  
Recommended Practices for Small Craft sections: E-1, E-3, E-9.  
• United States Coast Guard 33 CFR Sub Part 1, Electrical Systems.  
Document 6958 Rev.F  
Installation  
Connect each branch circuit hot (black) to the appropriate load  
terminal. Connect each branch circuit neutral (white) to one of the  
screws on the neutral bus. Connect each branch safety ground wire  
(green) to one of the screws of the safety ground bus.  
1. Disconnect all AC and DC power  
Disconnect all AC power originating on or off the vessel. This includes  
inverters, generators, shore power attachments and any other device  
capable of supplying AC power to the ship’s circuits.  
Do not confuse the neutral current carrying wires (sometimes called  
ground) with the green normally non-current carrying wires (sometimes  
called grounding). These two wires must be connected only at the  
source of power, nowhere else.  
Disconnect the main positive DC cable from all batteries to eliminate  
the possibility of a short circuit and to disable the inverter while  
installing the distribution panel.  
2. Select mounting location and cut opening  
Wire sizing chart  
Use the wire sizing chart below to determine the proper branch  
and feed circuit wire sizes.  
If this panel is to serve as your main shore power disconnect circuit  
breaker, select a location which is not more then 10 feet from the shore  
power inlet or the electrical attachment point of a permanently installed  
shore power cord as measured along the conductors of the feed wires.  
If it is more then 10 feet additional fuses or circuit breakers must be  
installed within 10 feet of the shore power inlet.  
Allowable Amperage of Conductors  
Select a mounting location which is protected from water on the panel  
front and back and is not in an area where ammable vapors from  
propane, gasoline or lead acid batteries accumulate. The circuit  
breakers used in marine electrical panels are not ignition protected and  
may ignite such vapors.  
Using the panel template provided, make a cut out in the mounting  
surface where the distribution panel is to be mounted. Do not yet  
fasten the panel to the mounting surface.  
Note:  
This chart assumes wire with 105°C insulation rating  
and no more then 2 conductors are bundled.  
Not suitable for sizing exible shore power cords.  
3. Install branch circuit wires  
Determine the proper wire size for each branch circuit using the wire  
sizing chart. Verify that the standard circuit breakers installed in the  
panel are correct for each branch circuit. Remove and replace any that  
are incorrectly sized. The circuit breaker must have a rating less than  
the allowable amperage of the wire, yet greater than the circuit’s  
continuous current.  
 

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