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Benchmark Series Boilers Pre-Installation Electrical Power Guide
POWER
TERMINAL
FUSE
BREAKER
BLOCKS
TRANSFORMER
BLOCKS
For INTERNATIONAL units,
Molex is plugged into 220V
Transformer Harness
220 V
Transformer
Harness
FLAME ROD
24 VDC
12V
To 220V
SIGNAL
POWER
POWER
TRANSFORMER
AMPLIFIER
SUPPLY
SUPPLY
Figure 3b: Power Box Components, BMK1500 – 2000 – INTERNATIONAL
POWER
FUSE
TERMINAL
BREAKER
BLOCKS
BLOCKS
TRANSFORMER
24 VDC POWER
12 V POWER
SUPPLY
SUPPLY
Figure 4a: Power Box Components, BMK2500 – 6000 – DOMESTIC
TAG-0048_Q • 5/16/2023
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
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