Section 1 — Introduction
1-2 Part No. 750-263
A. CFC FEATURES AND BENEFITS
Compact Firetube Design (Figure 1-1 & Figure 1-2)
The CFC boiler is a single pass down fired durable Firetube boiler.
The extended heating surface tubes provide for very high levels of
performance in a compact space. The boiler is designed to fire
natural gas or propane.
High Efficiency
(Figure 1-3)
With the extended heating surface tubes the boiler can produce fuel
to water efficiency of up to 98% depending upon operating
conditions.
Advanced Construction
Constructed to ASME standards, the CFC Boiler will provide many
years of trouble free service. Single-pass design provides excellent
thermal shock protection.
Tubes are made from UNS S32101 Duplex Stainless Steel with
AluFer extended heating surface inserts for maximum heat transfer.
Dual Temperature Return
Two return pipes - high and low temperature - allow condensing
performance with as little as 10% return water at condensing
temperature.
Ease of Maintenance
The steel enclosures are readily removable for access to all key
components. A flip down step and hinged burner door provide
access to all key components.
Quality Construction
ASME construction ensures high quality design, safety, and
reliability.
ISO 9001 certified manufacturing process ensures the highest
degree of manufacturing standards is always followed.
Full Modulation
The burner and combustion fan modulate to provide only the
amount of heat required, providing quiet and efficient operation
under all conditions.
Premix Technology
The ClearFire-C Boiler utilizes "Premix" technology to mix both fuel
and combustion air prior to entering the firing chamber. This
technology provides clean, efficient combustion with very low
emission levels.
Designed For Heating Applications
The pressure vessel is constructed of durable ASTM Graded Steel
and Stainless Steel materials to provide many years of operating life.
The vessel is designed to prevent hot spots and has no minimum
flow requirements; required for vessel stress protection.
Figure 1-1 CFC Boiler
Figure 1-2 CFC Cutaway
Premix Burner
Insulation
Pressure
Cabinet
On/Off
Control
Vessel
Switch
Display
Figure 1-3 AluFer Tube Cross
Section
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