Electrical Power Panel Internal Components - Watts AERCO Benchmark BMK750 Installation And Start-Up Manual

Benchmark Platinum-Edge [ii]: Installation Manual
SECTION 2 – INSTALLATION
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.
12V POWER SUPPLY
Figure 2-9a: BMK750 - 1500 110 V Power Panel
• GF-210 •
OMM-136_G
WIRE CONDUITS
FUSE BLOCK
FLAME ROD SIGNAL
AMPLIFIER
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
8/20/2020
FUSE BLOCK
TERMINAL BLOCKS
POWER
BREAKER
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