Model CFC ClearFire Commercial Boilers
6 Rev. 05-2012
Standard Equipment Equipment described below is for the standard boiler offering:
1. The Boiler
A. Each boiler size is designed for a Maximum Allowable Working Pressure
(MAWP) of 125 psig (8.6 Bar), constructed in accordance with the ASME
Code Section IV and bear the "H" stamp.
B. The insulated boiler is mounted on a base and powder coated steel casing
provided.
C. A drain valve connection is provided at the front bottom for field piping of a
boiler drain valve, which can be furnished as an option.
2. Boiler Trim and Controls
• The following items are furnished:
• Probe Type Low Water Cutoff control, manual reset.
• Excess Water Temperature Cutoff, manual reset.
• NTC (negative temp. coefficient) sensor for hot water supply temperature.
• NTC sensor for hot water return temperature.
• ASME Safety Relief Valve set @ 125 psig. (8.6 Bar)
• Combination Temperature/Pressure Gauge.
3. Burner Control
A. The CB Falcon is an integrated burner management and modulation control
with a touch-screen display/operator interface. Its functions include the
following:
• Two (2) heating loops with PID load control.
• Burner sequencing with safe start check, pre-purge, direct spark ignition (pilot
ignition CFC-3300), and post purge.
• Electronic ignition.
• Flame Supervision.
• Safety shutdown with time-stamped display of lockout condition.
• Variable speed control of the combustion fan.
• Supervision of low and high gas pressure, air proving, stack back pressure, high
limit, and low water.
• First-out annunciator.
• Real-time data trending.
• (3) pump/auxiliary relay outputs.
• Modbus communication capability.
• Outdoor temperature reset.
• Remote firing rate or setpoint control
• Setback/time-of-day setpoint
• Lead/Lag for up to 8 boilers
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