Benchmark with Edge [I]: Operation-Maintenance Manual
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OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 6 of 213
Please consult the Benchmark Venting and Combustion Air Design Guide (TAG-0022, GF-
2050) for a list of allowable and preferred vent materials.
The Benchmark's advanced electronics are available in several selectable modes of operation
offering the most efficient operating methods and energy management system integration.
AERCO Technical Terminology Meanings
AERCO Control System, AERCO’s boiler management systems
American National Standards Institute,
American Society of Mechanical Engineers
Building Automation System, often used interchangeably with EMS
(see below)
Symbol rate, or simply the number of distinct symbol changes
(signaling events) transmitted per second. It is not equal to bits per
second, unless each symbol is 1 bit long.
AERCO’s Benchmark series boilers
AERCO Boiler Management Systems
AERCO on-board Boiler Sequencing Technology
British Thermal Unit. A unit of energy approximately equal to the heat
required to raise 1 pound (0.45 kg) of water 1°F (0.55 °C)
BTUs per Hour (1 BTU/hr = 0.29 W)
Combination Control System
Cubic Feet per Hour (1 CFH = 0.028 m
3
/hr)
Double Block and Bleed, a gas trains containing 2 Safety Shutoff
Valves (SSOVs) and a solenoid operated vent valve.
Dual In-Line Package, a type of switch
Electronic Control Unit (O
2
sensor)
A control system developed by AERCO and currently used in all
Benchmark boilers.
Energy Management System; often used interchangeably with BAS
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