Generac 004700-0 - Manual (Page 31)

Generac ® Power Systems, Inc. 29
• Wiring must be of adequate size, have approved
insulative qualities and be properly supported.
• Conduit and wire openings into the generator com-
partment (if used) must be vapor-sealed to prevent
entry of flammable, explosive or poisonous gases
into the vehicle.
2.6.1 ELECTRICAL JUNCTION BOX
Install an approved, square electrical junction box
with a blank cover on the interior or exterior wall of
the area you plan to install the generator (NOT on the
generator). Route the generator's AC output leads
into this junction box through approved flexible con-
duit. This is the point of first termination for genera-
tor AC output leads.
2.6.2 WIRING
• Wiring should be of stranded copper to reduce the
chance that vibration may cause breakage.
• Wire gauge size should be large enough to handle
at least 115 percent of the installed generator's
rated maximum current.
• Neutral conductors must be the same size as other
leg wires.
• Route power supply conductors from generator AC
output leads (white), (black) and the green ground
wire through approved flexible conduit to the elec-
trical junction box on the compartment wall.
If flexible metal conduit is used between the gener-
ator and the compartment junction box, the con-
duit end that terminates the compartment junction
box must be vapor-sealed. Flexible metal conduit
is NOT vapor tight along its entire length.
• From the junction box, route power supply wires
through approved conduit to either (a) double-
pole, double-throw transfer switch, or (b)
approved isolation receptacle. Connecting to a
transfer switch or isolation receptacle must pre-
vent vehicle electrical circuits from being connect-
ed to two different power supplies at the same time
(such as generator and dockside power).
• Conductors must be rated 221° F (105° C) or must
be of a larger conductor size.
2.6.3 GENERATOR AC CONNECTIONS
Generator AC output leads (BLACK) “hot” and
(WHITE) grounded neutral come out of the generator
as shown in Figure 2.13. There is also a green lead
that connects to ground in the junction box of the
recreational vehicle.
Figure 2.13 – Generator AC Output Leads
Leads BLACK to WHITE are protected against over-
load by a 30-amp circuit breaker (CB1). Use this line-
to-neutral connection separately to operate 120-volt,
single-phase, 60 Hertz, AC loads requiring up to
3,600 watts (3.6 kW) of power.
Do NOT connect electrical loads in excess of
any circuit breaker rating or you will develop
problems with circuit breaker tripping, which
causes a loss of AC output. Also, do NOT
exceed the generator's rated wattage capacity.
Add the watts or amperes of all lighting, appli-
ance, tool and motor loads the generator will
operate at one time. This total should be less
than the unit's rated wattage/amperage capaci-
ty.
2.6.4 CONDUIT
Route the connections between the generator and the
junction box through approved, flexible conduit. The
following general rules apply:
• Cut wiring to the required length and allow extra
wire for junction box connections.
• Carefully prepare conduit ends to prevent sharp
edges from cutting through wiring insulation.
• Route conduit so it does not interfere with genera-
tor movement.
• If you use metallic conduit, vapor seal the end of
the conduit where it enters the junction box. Do
this because flexible metallic conduit is not vapor-
proof along its entire length.
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483.1
AC OUTPUT
HARNESS
REMOTE PANEL
CONNECTOR
BATTERY
CONNECTIONS
FUEL FILTER
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Section 2 – Installation
QUIETPACT 40G Recreational Vehicle Generator