Wiring and Installation of the ASCO Series 185 automatic transfer switch (ATS) must be performed by a licensed electrician.
Refer to the ATS wiring diagram.
DANGER! ELECTROCUTION HAZARD: Turn off utility power and turn off the generator to prevent electrocution when wiring the transfer switch.
Preferred Source/Utility Source - connect power cables to Terminals L1 & L5 of the ATS
Alternate Source/Emergency Source - connect power cables to Terminals L2 & L6 of the ATS
Load - connect power cables to Terminals L3 & L7 of the ATS
You can also download and view the wiring diagram on below link:
ASCO SERIES 185 Power Transfer Switches Product Wiring
If unsure, please contact Technical Support @ 1-800-800-2726 and press 3 or send an email to technicalsupport@ascopower.com
Published for:ASCO Power Technologies USA