Blue Sea Systems Yard Vacuum PN 8363 User Manual

WARNING  
Marine Electrical Products  
AC Rotary Switch Panel  
2 Positions + OFF, 3 Pole  
PN 8363  
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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 switch front or back is to be exposed to water it must be  
protected with a waterproof shield.  
The switch must not be installed in explosive environments such as  
gasoline engine rooms or battery compartments as the switches  
are not ignition proof.  
The vessel’s shore power cord must be disconnected form shoreside  
power before installing this electrical switch.  
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.  
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Features  
Switches 2 - 120/240 V AC Sources  
Compact solution when circuit protection is provided elsewhere  
Allows connecting one of two different AC sources to one circuit  
Heavy duty industrial rated switches  
Intuitive function - One handed operation  
Green power available LED indicators  
Red reverse polarity LED indicators  
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UL listed switches  
Panel Specications  
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If an AC Generator is installed aboard it must be stopped and rendered  
inoperable before the switch is installed.  
Verify that no other AC or DC source is connected to the vessel’s  
wiring before the switch is installed.  
Voltage Rating:  
Panels are rated for 120 volts AC  
Amperage Rating: 65 amp maximum service  
Panel Material:  
Primary Finish:  
0.125” 5052-H32 Aluminum Alloy  
Chemical Treatment per Mil Spec C-5541  
Final Panel Finish: Graphite color 2 part textured Polyurethane  
Maximum Wire Size:  
Minimum Wire Size:  
Terminal Recommended Torque:  
6 AWG  
12 AWG  
40 lb-in.  
Guarantee  
Any Blue Sea Systems product with which a customer is not satised  
may be returned for a refund or replacement at any time.  
Inches  
Millimeters  
Overall Dimensions:  
Mounting Centers:  
Mounting Depth:  
5-1/4 x 3-3/4  
4-7/16 x 2-15/16 112.71 x 74.61  
3-13/46 96.84  
133.35 x 95.25  
Blue Sea Systems Inc.  
425 Sequoia Drive  
Phone (360) 738-8230  
Fax (360) 734-4195  
Bellingham, WA 98226 USA  
Document 6632 Rev.B  
Installation  
The switch provides switching, but does not provide circuit protection.  
It is not a substitute for a main circuit breaker.  
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.  
Wire sizing chart  
Use the wire sizing chart below to determine the minimum branch and  
feed circuit wire sizes.  
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 switch.  
2. Select mounting location and cut opening  
Select a mounting location which is protected from water on the front  
and back of the switch and is not in an area where ammable vapors  
from propane, gas or lead acid batteries accumulate. AC rotary  
switches 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.  
3. Install source 1, source 2 and output wires  
Install the feed wires from AC Shore Power and AC Generator. Install  
the output wires. Refer to the wire sizing chart to select the minimum  
wire size. Connect wires as shown in the illustration. To avoid excess  
wire temperatures when cooling may be limited, we recommend using  
at least 12 gauge wire for 30A and 8 gauge wire for 50A.  
4. Testing Connections  
It is very important that the wiring be connected according to the  
diagram. The line and neutral from each source must be paired  
together and not connected such that the switch selects line from one  
source and neutral from another. Verify the connections and see that  
each connection is securely tightened, including the terminals for the  
jumpers installed on the switch where no wires are attached.  
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.  
It is possible to verify the connections using an ohmmeter before power  
is applied. These procedures take a little time, but are recommended,  
especially if some elements of a previous installation might not have  
been properly labeled or followed the expected color codes.  
A double pole circuit breaker must be installed within 10 feet of the  
shore power inlet, ahead of this switch. The measurement is made  
along the conductors.  
 
Installation (continued)  
DOUBLE OR TRIPLE POLE CIRCUIT  
BREAKER REQUIRED WITHIN TEN FEET  
OF SHORE INLET BETWEEN AC SOURCE  
SELECTOR SWITCH AND SHORE POWER  
FROM AC  
LINE 2  
FROM AC  
LINE 1  
FROM AC  
SHORE  
NEUTRAL  
FROM AC  
NEUTRAL  
GENSET  
FROM AC  
LINE 1  
FROM AC  
LINE 2  
11  
9
10  
FROM AC  
LINE 1  
FROM AC  
NEUTRAL  
FROM AC  
LINE 2  
BACK VIEW  
Wiring Diagram  
AC Source Selector Panel  
PN 8363 Shown  
Panel Template  
AC Source Selector Panel  
PN 8363  
 

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