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Centurion Pre-Installation Electrical Power Guide 1. GENERAL Centurion natural gas fueled modulating and condensing water heaters are fully factory wired packaged units which require simple external power wiring as part of the installation (Figure 2- 1). This technical guide is intended to help designers provide electrical power wiring (line voltage) to Centurion units.
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Centurion Pre-Installation Electrical Power Guide Service Disconnect Switch Figure 2-1: Service Disconnect Switch Typical Location POWER FUSE BLOCKS TERMINAL TRANSFORMER BREAKER BLOCKS 12V POWER 24 VDC POWER SUPPLY SUPPLY Figure 2-2: Electrical Power Panel Internal Components TAG-0104_A • • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST 4/18/2023 Page 3 of 6...
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Centurion Pre-Installation Electrical Power Guide 3. PROVISIONS FOR SERVICE Designers must provide emergency shutoffs and other devices to satisfy electrical codes. It is also recommended to provide an electrical shutoff disconnect switch of suitable load carrying characteristics on or near each Centurion water heater. •...
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Centurion Pre-Installation Electrical Power Guide For applicable wiring connections, refer to the schematic diagrams below. 208 V / 3 / 60 Hz Figure 4-2 – CEN2000: 208 V / 3 / 60 Hz - 5 Wire 460 V / 3 / 60 Hz ...
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