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SC-3000 & SC-4000 Control Transformer Diagrams
SC-3000 & SC-4000: 208 VAC, Three Phase, 60 Hertz
SC-3000 & SC-4000: 220-240 VAC, Three Phase, 60 Hertz
Revised: June 2, 2017
Released: June 2, 2017
HARSCO Industrial, Patterson-Kelley 2017
All Rights Reserved.
®
P-K SONIC
Gas Fired Boiler
Technical Service 1.877.728.5351
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:
208V, three phase, 60Hz
220-240V, three phase, 60Hz
440-480V, three phase, 60Hz
Improper configuration of the
control transformer could result
in serious injury or death.
1004905978 P-K SONIC NURO Installation and
Owners Manual (Rev F Jun-2017).docx
Page 71
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