Techrite Controls New Zealand...
The integrated combustion management system
shall combine configurable safety and programmable logic
ancillary control into a singular control platform in a modular
format. Each boiler/burner control system shall be factory
equipped with a pre-configured combustion management
system and Human Machine Interface (HMI).
The boiler/burner integrated combustion
management system shall provide automatic burner
sequencing, fan control, electronic ignition, flame supervision,
critical safety load control (pilot valve(s), main fuel valve(s)),
system status indication, firing rate control, limit control, load
control, multiple control loops (e.g., central heating low temp
water, central heating high temp water, central heating steam,
domestic hot water control, etc), circulation pump control,
system or self-diagnostics, and communications for a display,
other devices, Building Automation System, or industrial control
system.
Burner management operation including; automatic sequencing
of the burner through standby, safe start check, pre-purge,
flame ignition trials (pilot flame establishing period, main flame
establishing period), run and post purge. Flame proving and
lockout on flame failure during pilot flame proving, main failure
proving, or run. Purge damper/valve position for pre-purge,
Light-off damper/valve position for flame ignition trials. Full
modulating control of fuel and combustion air.
The combustion management system shall meet the
requirements and be certified to; cULus, CE, FM, ISO 23552-1,
and SIL 3 capable.
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