Patterson-Kelley MACH C-1500H Installation & Owner's Manual page 92

Figure 7.2.4b C-3000 & C-4000: 220-240 VAC, Three Phase, 60 hertz:
Figure 7.2.4c C-3000 & C-4000: 440-480 VAC, Three Phase, 60 hertz:
Revised: January 3, 2020
Released: January 3, 2020
 Patterson-Kelley 2020
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1004905981 P-K MACH C1500H-C4000 Installation and
Owners Manual (Rev F Jan-2020).docx
Gas Fired Boiler
Page 87