AERCO BMK 2000DF - Manual (Page 25)

Benchmark 1500DF - 2000DF Boilers
CHAPTER 2 – INSTALLATION
OMM-0098_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 25 of 196
GF-144 Ph.: 800-526-0288 04/01/2014
Figure 2-9: Power Box Internal Components
With the exception of the transformer shown in Figure 2-9, all of the components in the Power
Box are mounted on a DIN rail.
NOTE
All electrical conduit and hardware must be installed so that it
does not interfere with the removal of any unit covers, inhibit
service/maintenance, or prevent access between the unit and
walls or another unit.
2.9.1 Electrical Power Requirements
The Benchmark 1500 and Benchmark 2000 models are available in one voltage configuration:
• 120 VAC, Single-Phase, 60 Hz @ 20 Amps
The Power Box contains terminal blocks as shown in Figure 2-9. In addition, a label showing the
required AC power connections is provided on the front cover of the Power Box as shown in
Figure 2-10.
WIRE CONDUITS
12V POWER
SUPPLY
FUSE BLOCKS (2) TERMINAL BLOCKS
POWER
BREAKER
TRANSFORMER
24V POWER
SUPPLY