SNK 6297 InstallRevB_Eng 66316 2 Generac Install Manual

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Installation and Operating Instructions
30A SWITCHED NEUTRAL ACCESSORY KIT MODEL 6297
Warning: This Switched Neutral Kit should be installed by a professional electrician familiar with electrical wiring and codes, and experienced in
working with generator transfer switches. Generac accepts no responsibility for accidents, damages or personal injury caused by incorrect installation.
The Switched Neutral Kit can upgrade most manual transfer switches from non-Switched neutral to Switched neutral, as required by certain
municipalities, electrical inspectors and generators.
Caution: This Switched Neutral Kit can be used in single phase manual transfer switches up to 30 Amps 125/250V. Check the transfer switch rating
label BEFORE beginning installation to be sure NOT to exceed the rating of the transfer switch. Incorrect or inappropriate installations will void the
warranty.

For use with Neutral-Bonded Generators. This Switched Neutral Kit
is designed to enable manual transfer switches up to 30 Amps @
125/250V to isolate the utility and generator neutrals. Product
features include:
•
•
•
•
•

Preserve the integrity of your generator ground fault protection system
by isolating the utility and generator neutrals.
Generator and Utility neutrals are interlocked; neutral pole is
simultaneously switched and connected to only one source at any time.
Prewired for fast, easy connection to the transfer switch and load
center.
Retrofit most any make or model of manual transfer switch, load center
or isolation device.
All components are UL Listed and/or Recognized.

What is Included in this carton:
A.
B.
C.
D.
E.

Prewired Contactor, UL listed
Wire Harness
Wire Connectors (3)
Insulated terminal block, 8 position
Installation manual and Warranty Registration Card (this document)

Tools Needed for Installation:
•
•
•

Screwdrivers, straight blade and Phillips
Wire cutter/stripper
Safety eye goggles

STEP 1: PLANNING YOUR INSTALLATION:
Look on the product label on your transfer switch to determine which model you have, and that it is rated for up to 30 amps. You will need
this information throughout this procedure.

STEP 2: INSTALLATION PROCEDURE:
PLEASE READ THIS MANUAL BEFORE ATTEMPTING TO INSTALL, OPERATE OR MAINTAIN THIS EQUIPMENT. HAZARDOUS VOLTAGES ARE PRESENT INSIDE
TRANSFER SWITCH and LOAD CENTER ENCLOSURE THAT CAN CAUSE DEATH OR SEVERE PERSONAL INJURY. FOLLOW PROPER INSTALLATION, OPERATION AND
MAINTENANCE PROCEDURES TO AVOID HAZARDOUS VOLTAGES. TURN OFF THE MAIN CIRCUIT BREAKER IN THE LOAD CENTER BEFORE STARTING INSTALLATION.

A. Install contactor (Item A) into manual transfer switch:
1.

Referring to Figure 1, determine the appropriate location to install the
contactor inside the manual transfer switch enclosure, based upon the
manual transfer switch model determined in STEP 1. Clean the location
from all dirt and grease. Remove the double-stick tape backing on the
contactor and press the contactor tight to the enclosure. Make sure that the
wires attached to the contactor are accessible for routing and termination.

B. Terminate NC1 and NC2 in load center (electrical panel):
1.

Locate the 67” gray wires marked NC1 and NC2 connected to the
contactor. For 6294 manual transfer switch, route, insert and feed both
1

wires into and through the conduit located at the bottom of the transfer switch. For 6295, after the wire harness conduit has been attached to
the transfers switch, insert and feed both wires along with the wire harness into and through the conduit located at the bottom of the transfer
switch. For all models, terminate wires NC1 and NC2 to the load center neutral bus bar. See Figure 2 Wiring Diagrams for all wire routing and
connections.

FIGURE 1:

Models 6294-6376-6408

Models 6295-6378-6379-6380-6381

B. Terminate COM1 and COM2 wires:
1.

For 6294 and 6295 models: Locate and strip 5/8” insulation from the 2 -15” gray wires labeled COM1 and COM2 and terminate both to the
manual transfer switch neutral buss bar.

C. Terminate NO1, NO2 and RET wires:
1.
2.

Locate and strip 5/8” insulation from the 3-15” gray wires marked NO1, NO2 and RET.
For manual transfer switches without Flanged Inlets, connect these 3 wires with the generator neutral (white) wire coming from the Power Inlet
Box.

D. Install insulated terminal block (Item D) in load center:
1.
2.
3.

Identify and disconnect from the load center neutral buss bar all branch circuit neutral (white) wires for the circuits that have been connected to
the transfer switch.
Locate the provided insulated terminal block close to the load center neutral buss bar and reconnect the branch circuit neutral (white) wires to
the insulated terminal block removed in Step D1 above.
Connect the neutral (white) wire in the wiring harness coming from the transfer switch to the insulated terminal block

E. Terminate GEN wire:
1.
2.
3.

Locate and strip 5/8” insulation from the 15” red wire marked GEN.
For 6294 and 6295 models, terminate the red GEN wire along with the generator input wire into one of the GEN circuit breaker lugs in the
transfer switch. Torque to recommended specification.
Installation is now complete.

STEP 3: USING YOUR TRANSFER SWITCH WITH SWITCHED NEUTRAL KIT:
The operation of the Switched Neutral Kit inside your transfer switch requires no operator assistance. Just follow the
instructions on the transfer switch. When the transfer switch is in Utility mode, the utility neutral is connected to the circuits
located in the transfer switch. When generator power is connected to the transfer switch, the Switched Neutral Kit transfers
the transfer switch circuits from utility to generator neutral. When generator power is disconnected, the Switched Neutral Kit
transfers back to utility neutral.

2

Figure 2 - WIRING DIAGRAMS:
Model 6294, 6408, 6376

3

TRANSFER SWITCH MODEL 6295-6378-6379-6380-6381

Generac Power Systems, Inc.
Toll Free: 1-888-GENERAC
www.generac.com

0197010SBY
PN 500513 Rev B

© 2012 Generac Power Systems, Inc. All Rights Reserved.

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