Generac 004614-1 owner manual Electrical Connections, Electrical Junction Box, Wiring

Section 2 – Installation

QUIETPACT™ 65D Recreational Vehicle Generator

•Never tee the generator engine exhaust pipe into the vehicle engine exhaust piping. This causes excessive back pressure on the generator engine. Also, water from one engine can damage the other engine.

•Plan exhaust system installation carefully. Comply with all applicable codes, standards, and regulations.

2.6ELECTRICAL CONNECTIONS

Be sure to read Section 1.6 on Page 20.

The following general rules apply to electrical con- nections in a recreational vehicle:

•Qualified electricians who are familiar with applic- able codes, standards, and regulations should install electrical wiring.

•The wiring should comply with codes, standards, and regulations. The National Electrical Code (NFPA 70), and state and local codes apply.

•Switches and circuit breakers should be of a type approved for use in recreational vehicles and must be mounted and installed to prevent damage from road shock.

•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.

•If neutral conductors are used, they must be the same size as other leg wires.

•Route power supply conductors from generator AC output leads T1 (red), T3 (black), and the green ground wire through approved flexible conduit to the electrical junction box on the compartment wall. If a flexible metal conduit is used between the gener- ator and the compartment junction box, the conduit end that terminates at the compartment junction box must be vapor-sealed. Flexible metal conduit is NOT vapor-tight along its entire length.

30 Generac® Power Systems, Inc.

•From the junction box, route power supply wires through approved conduit to either (a) double-pole, double-throw transfer switch, or (b) approved isola- tion receptacle. Connecting to a transfer switch or isolation receptacle must prevent vehicle electrical circuits from being connected 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 T1 (red), and T3 (black) come out of the generator, as shown in Figure 2.14. Leads T1 (red) and T3 (black) are “hot.” There is also a green lead that connects to ground in the junction box of the recreational vehicle.

Figure 2.14 – Generator AC Output Leads

T1 (Red)

T3 (Black)

Ground (Green)

QUIETPACT ™ generators use a four-position terminal block to connect between stator power leads and vehi- cle load leads. This terminal block is accessible by removing the access panel, shown in Figure 2.14. Units are shipped from the factory connected for (230 volts AC) output (See Figure 2.15). The stator power wind- ings are connected in series. Lead 11/11A connects to T3 (Black), lead 44/44A connects to T1 (Red), while leads 22 and 33 are isolated. A "tie bar" connects the two switch handles on line breaker CB1.

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 amps of all lighting, appliance, tool, and motor loads the generator will operate at one time. This total should be less than the unit’s rated wattage/amperage capacity.