AERCO Benchmark Commercial Water Heater System BMK 3000

Overview

This AERCO Benchmark system consists of multiple high-efficiency commercial water heaters/boilers designed for critical hot water applications. The system features advanced modular design with multiple units providing redundancy and scalability for commercial and industrial hot water needs. This is a complete turnkey system with full documentation and service tracking capabilities.

Design and Performance

• Manufacturer: AERCO International, Inc. (A Watts Brand)
• Model: BMK 3000
• Configuration: Multiple unit cascade system
• Fuel Type: Natural Gas
• Construction: Heavy-duty commercial grade with grey/silver powder coating
• Control System: B-8003 Advanced Digital Controller

Key Specifications

Condition

• Used - Commercial Grade
• Professional installation with wall-mounted configuration
• Complete with service documentation and maintenance tracking

Performance Features

• High-efficiency condensing design
• 93% thermal efficiency
• Modular cascade configuration for redundancy
• Advanced digital controls
• Low NOx emissions
• Compact wall-mounted design

Model BMK 3000 Specifications

• Maximum Input: 3,000,000 BTU/HR
• Minimum Input: 300,000 BTU/HR
• Output: 2,793,000 BTU/HR
• Thermal Efficiency: 93%
• Electrical Input: 208V, 60 Hz, Less than 20A
• Blower Motor: 3.0 Horsepower

Control System

• Model B-8003 Digital Controller
• LCD display interface
• Multiple control buttons for programming
• Status indicator lights
• Remote monitoring capability
• Cascade sequencing for multiple units

System Components

Water Heater Package Includes

• Multiple BMK 3000 units in cascade configuration
• B-8003 digital control interface
• Natural gas fuel train
• Combustion air intake system
• Exhaust venting system
• Safety interlock systems
• Wall mounting brackets
• Professional piping connections

Safety Features

• General duty safety switch
• High voltage warnings (460 VOLTS)
• Electrical interlock systems
• Pressure safety controls
• Temperature limit controls
• Combustion safety monitoring
• Emergency shutdown capability
• Door interlock switches

Electrical Requirements

Power Specifications

• Voltage: 208V
• Frequency: 60 Hz
• Amperage: Less than 20A per unit
• Motor: 3.0 HP blower motor
• Circuit Protection: Properly rated voltage sensing devices required
• High Voltage System: 460V main distribution

Safety Requirements

• Never operate energized switch with door open
• Turn off switch before removing or installing fuses
• Always use properly rated voltage sensing devices
• Do not use renewable link fuses in fused switches
• Lockout/tagout procedures required

Installation Requirements

Clearance Requirements

For Installation on Combustible Floors:

• Top: 18" minimum
• Front: 24" minimum
• Flue Connection: 18" minimum
• Rear: 36" minimum
• Sides: 24" minimum

For Installation on Non-Combustible Floors:

• Top: 18" minimum
• Front: 24" minimum
• Flue Connection: 18" minimum
• Rear: 36" minimum
• Sides: 24" minimum

Additional Requirements

• Greater clearances for access should supersede fire protection clearances
• Allow 24 inches at front and rear for servicing and cleaning
• Minimum clearances to combustible construction required

Maintenance Requirements

Air Filter Maintenance

• Replace or clean using Filter Cleaning Kit
• Part Number: 56041
• Clean only with air - do not use liquids
• Dry completely before reinstalling
• Service annually or when dirty

Pressure Settings

• Maximum Inlet Gas Pressure: 14