Benchmark 750/1000 Boiler
Installation, Operation & Maintenance Manual
CHAPTER 2 – INSTALLATION
Page
24
of
192
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0082_0J
05/21/2014
Ph.: 800-526-0288
GF-130
Figure2-7: Manual Gas Shut-Off Valve and Gas Regulator Locations
2.9 AC ELECTRICAL POWER WIRING
The AERCO Benchmark Electrical Power Wiring Guide, GF-2060, must be consulted prior to
connecting any AC power wiring to the unit. External AC power connections are made to the
unit inside the Power Box. Remove the front panel to access the Power Box, which is mounted
in the upper right corner of the unit as shown in Figure 2-8. Open the hinged cover of the Power
Box to access the AC terminal block connections, and other internal components shown in
Error! Reference source not found.
2-9.
Figure2-8: Power Box With Closed Cover
POWER BOX
WITH HINGED
FRONT COVER
FRONT UPPER-RIGHT CORNER OF UNIT
1” MANUAL
SHUTOFF
VALVE
GAS PRESSURE
REGULATOR
DIRT TRAP
GAS INLET
NOTE
It is the responsibility of the customer to
source and purchase the appropriate gas
regulator as described above. However,
AERCO offers for sale an appropriate
regulator, which may be ordered at the time
of unit purchase or separately. Contact
AERCO for more information.