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