Figure 2-8b: BMK1500 – 6000 Power Box with Closed Cover
Each unit must be connected to a dedicated electrical circuit. NO OTHER DEVICES SHOULD
BE ON THE SAME ELECTRICAL CIRCUIT AS THE BOILER.
A switch must be installed on the electrical supply line, external to the unit, in an easily accessible
location to quickly and safely disconnect electrical service. DO NOT attach the switch to sheet
metal enclosures of the unit.
After placing the unit in service, the ignition safety shutoff device must be tested. If an external
electrical power source is used, the installed boiler must be electrically bonded to ground in
accordance with the requirements of the authority having jurisdiction. In the absence of such
requirements, the installation shall conform to National Electrical Code (NEC), ANSI/NFPA 70
and/or the Canadian Electrical Code (CEC) Part I, CSA C22.1 Electrical Code.
For electrical power wiring diagrams, see the Benchmark Electrical Power Design Guide, TAG-
0048 (GF-2060).
2.10.3 Electrical Power Panel Internal Components
Remove the front panel to access the Power Panel. Run the electrical service through the
opening above the Power Panel and make the connections to the Power Breaker in accordance
to the Power Panel cover label (see Figure 2-8, above).
WARNING!
The power breaker, shown in Figure 2-9a, 2-9b and 2-9c, does NOT remove power from the
terminal blocks.
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