Product Manual A
3. Pre-Installation Considerations7-2018
25A045R241 (Issue 13) Copyright © 2018 Cummins Inc.
◦ For wire sizes 16 and 18 AWG, use insulation types including but not
limited to: FFH-2, KFF-2, PAFF, PFF, PGFF, PTFF, RFH-2, RFHH-2,
RFHH-3, SFF-2, TFF, TFFN, ZFF
• Code compliant 20 A, 120 VAC, GFCI protected circuit for alternator heaters,
battery charger, coolant heater, oil heater, and/or battery heater (if equipped)
• Code compliant conduit for all wires
Mounting Materials:
• Four base tie-down bolts
NOTICE
Seismic zone installations require compliance to specific mounting
configurations.
Fuel Materials:
• Flexible fuel line (provided with the generator set, attached to the radiator
guard)
• UL listed pipe thread sealant
• Fuel line (natural gas and propane: 6-13 inches of water column [1.5 - 3.2 kPa]
fuel pressure) at generator set
• Fuel pressure regulator (as required)
• Manual fuel shut-off at generator set ahead of automatic valves on generator
set fuel system
Tools Required
Use appropriate lifting techniques to position the generator set in place.
Transfer Switch Requirements
A transfer switch must be a part of every generator set installation. Transfer
switches transfer loads to the generator set during power outages.
NOTICE
Cummins offers a variety of transfer switches, including residential and light
commercial options.