AERCO KC1000 Low NOx Boiler July 2011 - Manual (Page 5)

FOREWORD
A
Foreword
This system can be operated using natural gas or propane fuel. A simple spring change in the
differential regulator and combustion calibration is all that is needed to switch fuels.
The AERCO KC Low NOx Boiler is 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 load tracking capability relates energy input directly to fluctuating system loads
through a 11:1 modulating turndown ratio. The boiler’s condensing capability offers extremely
high efficiencies and makes the KC Boiler ideally suited for modern low temperature, as well as,
conventional heating systems.
When installed and operated on natural gas in accordance with this Instruction Manual, the KC
Boiler complies with the NOx emission standards outlined in:
• South Coast Air Quality Management District (SCAQMD), Rule 1146.2
• Texas Commission on Environmental Quality (TCEQ), Title 30, Chapter 117,
Rule117.465.
The KC Boiler can be used in singular or modular arrangements for inherent standby with
minimum space requirements. Venting capabilities offer maximum flexibility and allow
installation without normal restrictions. The advanced electronics of each KC Boiler control
system offer selectable modes of operation and interface capabilities.
After prolonged shutdown, it is recommended that the startup procedures in Section 4 and the
safety device test procedures in Section 6 of this manual be performed, to verify system
operating parameters. If there is an emergency, turn off the electrical power supply to the KC
Boiler or close the manual gas valve located before the unit. The installer is to identify the
emergency shut-off device. FOR SERVICE OR PARTS, contact your local sales representative
or AERCO INTERNATIONAL.
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