Patterson-Kelley STORM ST-2500 Installation & Owner's Manual page 82

440-480 VAC, Three Phase, 60 Hz
Before making any electrical connections to the boiler, verify that the control transformer is properly
configured for the applicable incoming power supply to the boiler:
Improper configuration of the control transformer could result in serious injury or death.
Revised: June 26, 2020
Released: June 26, 2020
•
208V, three phase, 60Hz
•
220-240V, three phase, 60Hz
•
440-480V, three phase, 60Hz
© Patterson-Kelley 2020
All Rights Reserved.
TM
P-K Storm Gas Fired Boiler
Technical Service 1.877.728.5351
2691000273 P-K Storm ST2500-ST4000
Installation and Owners Manual Rev A.docx
Page 73