Aerco Benchmark 3.0LN Series User Manual

Benchmark 3.0 Low NOx Boiler GF-116
USER MANUAL OMM-0038-0E
Applicable for Serial Numbers G-12-0454 and above
Installation, Operation
& Maintenance
Instructions
Benchmark 3.0
Series
Gas Fired
Low NOx
Boiler System
Condensing, Modulating
Forced Draft, Hot Water Boiler
3,000,000 BTU/H Input
Latest Revision: October 10, 2017

Aerco Benchmark 3.0LN Series Specifications

General

Brand	Aerco
Model	Benchmark 3.0LN Series
Category	Boiler
Language	English

Summary

Chapter 1 - Safety Precautions

Warnings & Cautions

General safety warnings and cautions applicable at all times.

Chapter 2 - Installation

Site Preparation & Clearances

Requirements for selecting and preparing the installation site, including clearances.

Flue Gas Vent Installation

Combustion Air

Chapter 3 - Control Panel Operating Procedures

Control Panel Menus

Configuration Menu

Chapter 4 - Initial Start-Up

Initial Start-Up Requirements

Requirements for the initial startup of the boiler.

Natural Gas Combustion Calibration

Procedure for natural gas combustion calibration.

Chapter 5 Mode of Operation

Chapter 6 Safety Device Testing

Testing of Safety Devices

Importance and general procedures for testing safety devices.

Low Gas Pressure Fault Test

Procedure to test the low gas pressure fault shutdown.

High Gas Pressure Test

Procedure to test the high gas pressure fault shutdown.

Low Water Level Fault Test

Procedure to simulate and test low water level fault.

Water Temperature Fault Test

Procedure to test the high water temperature fault.

Flame Fault Tests

Procedures to simulate flame faults.

Air Flow Fault Tests

Tests for Blower Proof Switch and Blocked Inlet Switch.

Safety Pressure Relief Valve Test

Testing the safety pressure relief valve.

Chapter 7 Maintenance

Maintenance Schedule

Schedule for regular routine maintenance tasks.

Chapter 8 - Troubleshooting Guide

Chapter 9 RS232 Communication