Benchmark Standard 2500 and 3000

AERCO's Benchmark Standard boiler is designed for condensing application in any closed loop hydronic system. It delivers unmatched burner modulation to match energy input directly to fluctuating system loads to yield the highest possible seasonal efficiency. And no other product packs as much capacity into such a small footprint.

To minimize emissions, the Benchmark Series is fitted with a low NOx burner whose emissions will meet the most stringent NOx and CO requirements. The fully modulating burner also maintains AERCO standards for energy efficiency, longevity, reliability and construction quality.

The Benchmark Series comes standard with AERCO’s Patent Pending, Oxygen Level (O2) monitoring system. This monitoring system, designed to display the O2 level directly on the unit in real time, can also be remotely monitored via Modbus giving the customer the ability to measure the emissions level and fuel economy of the boiler without traditional combustion calibration devices. Benchmark boilers can be used as an individual unit or in modular arrangements and offers selectable modes of operation. In addition to controlling the boiler according to a constant set point, indoor/outdoor reset schedule or 4-20mA signal, one or more units can be integrated via Modbus communications protocol. For boiler plants ranging from 2-8 boilers, AERCO’S built-in Boiler Management Sequencer* can be utilized. For heating plants greater than 8 boilers, the ACS (AERCO Control System) provides the right solution. Likewise, Benchmark systems can be easily integrated with a facility-wide Energy Management or Building Automation System.

Features and Benefits

Now, even the largest hydronic projects will be able to cost effectively leverage the fuel savings and operating reliability of a condensing, fully modulating boiler backed by a market-proven design.

  • Unmatched 15:1 Turndown & Low NOx
  • Compact, Easy-to-Apply Design
  • Performance-Proven Design
  • Standard Controls Package

Unmatched 15:1 Turndown with Low NOx Emissions

As a condensing boiler, the thermal efficiency of the BMK3000 increases when applied in a system that leverages cold return water temperatures. But it's the unit's unmatched 15:1 turndown that really maximizes operating efficiency and seasonal fuel savings.

From 200,000 BTU/hr. to its full fire input capacity of 3 million BTU/hr., the BMK3000 precisely matches fluctuating loads. This incredible range of operation minimizes boiler cycling and eliminates wasteful temperature overshoot. And the operating efficiency of the BMK3000 boiler actually increases as the load decreases. In simple terms, at its lowest firing rates (or BTU/hr. inputs), the unit's heat exchanger becomes greatly oversized in proportion to the load - allowing much greater thermal transfer to take place. The means that the BMK3000 saves the most energy during part load operations that characterize the majority of the heating season.

And the BMK Series consistently delivers <30ppm NOx at all firing levels making it ideal for environmentally-friendly projects. The unit employs the same Low NOx burner design and proprietary fuel delivery system as the BMK2.0LN.


Compact, Easy-to-Apply Design

Measuring only 78" high x 28" wide x 56" deep, the BMK3000 fits easily through a standard size doorway and occupies a very small footprint. And it fits the most challenging projects as easily as it fits the smallest mechanical rooms.

The BMK3.0 boiler supports sealed combustion, ceiling/sidewall venting and low gas pressure applications. Ideal in low flow applications, the unit operates with a small water side pressure drop and can withstand no flow conditions without damaging the heat exchanger.

From a controls standpoint, the unit's C-More control system can be integrated directly into a facility-wide Building Automation System via Modbus and is fully compatible with AERCO's Boiler Management System II (BMS II) for multiple unit installations.


Performance-Proven Design

Best of all, the BMK3000 employs the same parts and technologies that have been performance proven over the past ten years as part of the Benchmark 2.0 boiler line. By rearranging interior components, we've increased the unit's capacity by a million BTU/hr. -- but we've only added 8" to the depth of the original product footprint.

The new design employs two, identical, stainless steel, heat exchangers to deliver the extra capacity. Importantly, this is the same heat exchanger design that has been available with the BMK2.0LN for nearly ten years -- same material, same design, same welding, etc. Whereas, competitive product designs often employ primary and secondary heat exchangers made of different materials to cut corners - we've doubled up on quality with the BMK3000.


Standard Controls Package

The AERCO C-More™ Control Package supports constant set point, remote set point and/or outdoor reset schedule for inpidual boiler operation. Offers step-by-step diagnostic menus and status displays to help users set controls and check faults. More than 40 distinct messages, written in easy-to-understand language, convey subsystem status throughout the start-up sequence and during operation. The flash-upgradeable platform can be remotely monitored, controlled and upgraded via Modbus protocol using the RS-232 or RS-485 connection. The system provides failsafe and independent operation in the event of external building control system failures.

Options and Accessories

ACCESSORIES

AERCO Condensate Neutralizer Kit
Ideal for neutralizing condensate from condensing boilers and furnaces operating on natural gas or propane.

AERCO Control System (ACS)
Optional multiple unit controller recommended for installations of eight or more boilers to maximize operating efficiency.

BelimoF6... HDU Series 2-way butterfly valves
Designed to meet the needs of HVAC and commercial application requiring bubble tight shut-off for liquids. Typical applications include boiler isolation, chiller isolation, cooling tower isolation, change-over systems, air handler coil control, bypass and process control applications.

Communications Gateway
Optional accessory supports boiler or BMS integration with BACnet, LonWorks and N2 systems.

Integration Panel
Allows for automatic BST Master-function transfer to the next available unit in the event the original Master experiences a control panel or communication failure.

Sentinel Products
Compatible with all materials found in a hydronic loop, these chemicals offer overall protection of a heating system from sludge, scale, corrosion, and freeze conditions.

Secondary Low Water Cut-Off (LWCO)
Where required by building code. Secondary LWCO must be installed external to boiler.

Technical Documents

Certifications/Approvals

BMK 2500 AHRI Certification

pdf 470.21 KB | December 14, 2015

BMK 3000 AHRI Certification

pdf 470.21 KB | December 14, 2015

Controls

BST Header Temperature Sensor (Direct Connect) (SD-A-1017)

pdf 38.22 KB | December 14, 2015

BST Header Temperature Sensor (Direct Connect) (SD-A-1017)

dwg 170.84 KB | March 10, 2016

BST Outdoor Temperature Sensor (Direct Connect) (SD-A-1018)

pdf 23.14 KB | December 14, 2015

BST Outdoor Temperature Sensor (Direct Connect) (SD-A-1018)

dwg 3.54 MB | March 10, 2016

C-More Onboard Boiler Sequencing Tech Field Wiring Diagram 24VAC (SD-A-1010)

dwg 292.36 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech Field Wiring Diagram 24VAC (SD-A-1010)

pdf 151.98 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech Field Wiring Diagram 24VAC with Modbus Device (SD-A-1012)

dwg 201.04 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech Field Wiring Diagram 24VAC with Modbus Device (SD-A-1012)

pdf 145.5 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech with ProtoNode and BAS Field Wiring Diagram 24VAC (SD-A-1011)

dwg 392.12 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech with ProtoNode and BAS Field Wiring Diagram 24VAC (SD-A-1011)

pdf 184.93 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech with ProtoNode and BAS Field Wiring Diagram 24VAC Modbus Device (SD-A-1013)

dwg 288.29 KB | February 17, 2017

C-More Onboard Boiler Sequencing Tech with ProtoNode and BAS Field Wiring Diagram 24VAC Modbus Device (SD-A-1013)

pdf 194.24 KB | February 17, 2017

Modbus Header Temperature Sensor-Kit 24444-1 (TID-0133)

pdf 184.84 KB | January 18, 2016

Up to 12 C-More controllers & BMS II

clipping 1.38 MB | December 14, 2015

Installation and Piping Drawings

Anchor Bolt Location BMK2500 & 3000 (SD-A-896)

pdf 17.79 KB | December 14, 2015

Anchor Bolt Location BMK2500 & 3000 (SD-A-896)

dwg 88.44 KB | December 14, 2015

BMK 2500, BMK 3000 Multi Unit Installation-Primary Secondary (SD-A-960)

dwg 1.92 MB | March 15, 2017

BMK 2500, BMK 3000 Multi Unit Installation-Primary Secondary (SD-A-960)

pdf 232.62 KB | March 15, 2017

BMK Platinum 1500-3000 Single Unit Installation w/ Dual Return (SD-A-1090)

dwg 917.65 KB | February 17, 2017

BMK Platinum 1500-3000 Single Unit Installation w/ Dual Return (SD-A-1090)

pdf 118.7 KB | February 17, 2017

BMK Platinum 1500-3000 SPACE HEATING DHW SMARTPLATE SNOWMELT APPLICATIONS (SD-A-1119)

dwg 3.98 MB | February 17, 2017

BMK Platinum 1500-3000 SPACE HEATING DHW SMARTPLATE SNOWMELT APPLICATIONS (SD-A-1119)

pdf 308.87 KB | February 17, 2017

BMK Series Clearance for Combination Plant (SD-A-874)

dwg 129.14 KB | July 14, 2016

BMK Series Clearance for Combination Plant (SD-A-874)

pdf 44.5 KB | July 14, 2016

Clearance for Side-by-Side Unit Placement (SD-A-898)

dwg 232.97 KB | February 17, 2017

Clearance for Side-by-Side Unit Placement (SD-A-898)

pdf 68.61 KB | February 17, 2017

Clearance for Standalone Unit Placement (SD-A-897)

dwg 246.63 KB | February 17, 2017

Clearance for Standalone Unit Placement (SD-A-897)

pdf 57.27 KB | February 17, 2017

Clearance for Standalone Unit Placement (SD-A-897)

dwg 246.63 KB | February 17, 2017

Clearance for Standalone Unit Placement (SD-A-897)

pdf 57.27 KB | February 17, 2017

DHW Priority (ACS Only) BMK/SmartPlate/Buffer Tank Applications (SD-A-916)

dwg 3.63 MB | March 15, 2017

DHW Priority (ACS Only) BMK/SmartPlate/Buffer Tank Applications (SD-A-916)

pdf 411.3 KB | March 15, 2017

Muli-Zero Side Clearance (2-Pairs)-Primary Variable Flow (SD-A-958)

pdf 230.89 KB | December 14, 2015

Muli-Zero Side Clearance (2-Pairs)-Primary Variable Flow (SD-A-958)

dwg 1.37 MB | December 14, 2015

Multi Dual Return With Smartplate_Tank Install (SD-A-1088)

pdf 343.89 KB | December 14, 2015

Multi Dual Return With Smartplate_Tank Install (SD-A-1088)

dwg 3.6 MB | December 14, 2015

Multi-Zero Side Clearance (2 Pairs) with ACS, 2 Port Buffer Tank and SmartPlate (SD-A-963)

pdf 350.63 KB | December 14, 2015

Multi-Zero Side Clearance (2 Pairs) with ACS, 2 Port Buffer Tank and SmartPlate (SD-A-963)

dwg 5.15 MB | December 14, 2015

Primary Secondary Single Unit Installation (SD-A-959)

dwg 1 MB | February 17, 2017

Primary Secondary Single Unit Installation (SD-A-959)

pdf 154.18 KB | February 17, 2017

Single Unit Installation with ACS and Indirect Storage Heater-Primary Variable Flow (SD-A-961)

pdf 194.36 KB | December 14, 2015

Single Unit Installation with ACS and Indirect Storage Heater-Primary Variable Flow (SD-A-961)

dwg 1.95 MB | December 14, 2015

Single Unit Installation-Primary Variable Flow (SD-A-957)

pdf 120.55 KB | December 14, 2015

Single Unit Installation-Primary Variable Flow (SD-A-957)

dwg 475.41 KB | December 14, 2015

Literature and Performance Data

AERCO's Packaged Systems

pdf 242.31 KB | May 9, 2016

Benchmark 2500 Efficiency Curve

pdf 14.2 KB | December 14, 2015

Benchmark 3000 Altitude Derate Factors (C302.5)

pdf 35.31 KB | December 14, 2015

Benchmark 3000 Efficiency Curve

pdf 328.12 KB | December 14, 2015

Benchmark Brochure

pdf 7.78 MB | March 29, 2017

Benchmark Series Technical Data Sheet

pdf 534.65 KB | April 11, 2017

BMK 2500/ 3000 Water Side Pressure Drop

pdf 62.19 KB | December 14, 2015

BMK 3000 BTU Input vs Valve Position

pdf 58.18 KB | December 14, 2015

BMK3000 Dual Fuel- Natural Gas Input vs Valve Positions

pdf 33.42 KB | December 14, 2015

BMK3000 Dual Fuel- Propane Input vs Valve Positions

pdf 32.96 KB | December 14, 2015

Boiler Sequencing Technology (BST) Tech Data Sheet

pdf 153.62 KB | September 2, 2016

C-More Tech Data Sheet

pdf 460.42 KB | September 2, 2016

Integration Panel for BMK BST Tech Data Sheet

pdf 339.33 KB | September 6, 2016

Operation & Maintenance Manuals, Previous Versions

Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual

pdf 12.37 MB | November 18, 2016

Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual

pdf 16.57 MB | November 18, 2016

BMK 2500-3000 Manual (OMM-0094 0E GF-137)

pdf 10.43 MB | March 29, 2016

BMK 2500-3000 Manual (OMM-0094 0F GF-137)

pdf 11.75 MB | March 29, 2016

Operation and Maintenance Manuals (O&M)

BMK2500-3000 O&M Manual G-16-0450 and up (OMM-0094 GF-137)

pdf 7.43 MB | March 14, 2016

BMK2500DF-3000DF O&M Manual (OMM 0099) (GF-145)

pdf 9.17 MB | March 14, 2016

C-More Control Panel (GF-112) (OMM-0032)

pdf 2.65 MB | December 30, 2016

Product and Component Drawings

Benchmark 2500, 3000 Dual Inlet Dimensional Drawing (AP-A-915)

dwg 2.12 MB | March 21, 2017

Benchmark 2500, 3000 Dual Inlet Dimensional Drawing (AP-A-915)

pdf 107.95 KB | March 21, 2017

Benchmark 2500/ 3000 Revit Drawing

rfa 564 KB | September 27, 2016

BMK 3000 Bill of Materials/Parts List (PL-A-177)

pdf 897.04 KB | December 14, 2015

BMK 3000 Dual Fuel DBB Gas Train (PL-A-180)

pdf 186.21 KB | December 14, 2015

BMK 3000 Dual Fuel Gas Train (PL-A-177)

pdf 199.89 KB | December 14, 2015

PolyBall Condensate Trap Assembly 24441 (AP-A-1006)

pdf 62.53 KB | December 14, 2015

PolyBall Condensate Trap Assembly 24441 (AP-A-1006)

dwg 231.44 KB | July 15, 2016

Sizing and Application Guidelines

Benchmark All Models Boiler Application Guide (TAG-0019) (GF-2070)

pdf 4.74 MB | February 17, 2017

Benchmark Venting & Combustion Air Guide (GF-2050) (TAG-0022)

pdf 2.1 MB | January 26, 2017

Electrical Power Wiring Guide (GF-2060)

pdf 583.68 KB | December 14, 2015

Gas Components & Supply Design Guide (GF-2030, TAG-0047)

pdf 656.12 KB | January 26, 2017

Specifications

BMK2500 Dual Fuel CI Specification

doc 88.5 KB | December 14, 2015

BMK2500 Natural Gas CI Specification

doc 87.5 KB | December 14, 2015

BMK2500 Propane CI Specification

doc 87 KB | December 14, 2015

BMK3000 Dual Fuel CI Specification

doc 87.5 KB | December 14, 2015

BMK3000 Natural Gas CI Specification

doc 87.5 KB | December 14, 2015

BMK3000 Propane CI Specification

doc 88 KB | December 14, 2015

Warranty

All Benchmark Limited Warranty

pdf 64.46 KB | December 14, 2015

Wiring

BMK 2000-6000 Internal IO Box Wiring Diagram (SD-A-903)

dwg 91.66 KB | December 17, 2015

BMK 2000-6000 Internal IO Box Wiring Diagram (SD-A-903)

pdf 49.32 KB | July 15, 2016

C-More Wiring Diagram BAS to C-More (SD-A-659)

pdf 30.17 KB | December 14, 2015

C-More Wiring Diagram BAS to C-More (SD-A-659)

dwg 245.24 KB | December 14, 2015

Case Studies

Title Market Products
Washington, D.C. Hotel Saves More than $100,000 Annually by Electing AERCO’s Benchmark/SmartPlate Lodging Benchmark Standard 2500 and 3000, SmartPlate Double Wall
A Luxury High-Rise Gets Premium System without High Installation and Operating Costs Multifamily Housing Benchmark Standard 2500 and 3000, Innovation 1060
Top Research Facility Reduces Fuel Bills by 40% with AERCO Solutions Healthcare Innovation 600, Innovation 800, Benchmark Standard 2500 and 3000
Luxury Apartment Building Enjoys Greater ROI From AERCO Solutions Multifamily Housing Benchmark Standard 2500 and 3000, SmartPlate Double Wall, AERCO Control System (ACS)
Securing an Award-winning Solution for a Major Law Enforcement Complex Government and Military Benchmark Standard 2500 and 3000, Innovation 1060

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