AERCO BMK 3.0 LN Dual Fuel 2007 - Manual (Page 7)

FOREWORD
A
Foreword
The AERCO Benchmark 3.0 Dual-Fuel Boiler is a modulating unit. It represents a true industry
advance that meets the needs of today's energy and environmental concerns. Designed for
application in any closed loop hydronic system, the Benchmark's modulating capability relates
energy input directly to fluctuating system loads. The Benchmark 3.0, with its 15:1 turn down
ratio and condensing capability, provides extremely high efficiencies and makes it ideally suited
for modern low temperature, as well as, conventional heating systems.
The Benchmark 3.0 operates at inputs ranging from 200,000 BTU/hr. to 3,000,000 BTU/hr. The
output of the boiler is a function of the unit’s firing rate and return water temperature. Output
ranges from 198,000 BTU/hr. to 2,900,000 BTU/hr., depending on operating conditions.
When installed and operated on natural gas in accordance with this Instruction Manual, the
Benchmark 3.0 Boiler complies with the NOx emission standards outlined in:
• South Coast Air Quality Management District (SCAQMD), Rule 1146.1
Whether used in singular or modular arrangements, the Benchmark 3.0 offers the maximum
flexibility in venting with minimum installation space requirements. The Benchmark's advanced
electronics are available in several selectable modes of operation offering the most efficient
operating methods and energy management system integration.
For service or parts, contact your local sales representative or AERCO INTERNATIONAL.
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