Installation Guide

1-2014 3. Step-By-Step Outline of Installation
3.7.3 Automatic Transfer Switch
Install the transfer switch in accordance with its Installation Manual and make connections to the
generator set in accordance with the Electrical Connections section of this manual.
3.7.3.1 Transfer Switch Communications Wires
WARNING
Interconnecting the generator set and the public utility can lead to the electrocution of
personnel working on the utility lines, damage to equipment and fire. An approved
switching device must be used to prevent interconnections.
Install the transfer switch in accordance with its Installation Manual.
Wiring harnesses are available in various lengths for quick connection between the generator
set and transfer switch. See the Outline and System Drawings Appendix for harness details.
3.7.4 Heater and Outlet Connections
3.7.4.1 120 Volt Optional Accessories
NOTICE
Engine oil heaters are factory installed on models 20GSBB-6714, 20GSBC-6727,
15GSBB-6720
To supply 120 VAC to power the following accessories, connect 12 AWG 75 °C wires to the
accessory wires in the 120 volt junction box from a 15 amp protected circuit in the main
distribution panel in the house.
• Optional battery heater
• Optional engine heater and alternator drier assembly
• Optional installer-supplied GFCI outlet
• Optional breather shroud/heater
NOTICE
The wires my be run through the same conduit as the AC power output wires.
3.7.5 Operator Panel
3.7.5.1 Operator Panel Communication Wires
NOTICE
There are two unmarked connectors on the back of the display, either one may be used
for connecting the display to the generator set.
Wiring harnesses are available in various lengths for quick connection between the generator
set and in-home display. See the Outline and System Drawings Appendix for harness details.
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