Honeywell EC7895A Integrated burner controller module
FEATURES
• Safety features:
— Airflow switch check.
— Closed loop logic test.
— Dynamic AMPLI-CHECK®.
— Dynamic input check.
— Dynamic safety relay test.
— Dynamic self-check logic.
— Internal hardware status monitoring.
—Tamper resistant timing and logic.
• Access for external electrical voltage checks.
• Application flexibility.
• Communication interface capability.
• Dependable, long-term operation provided by microcomputer technology.
• First-out annunciation and system diagnostics provided by a 2 row by 20 column Vacuum Fluorescent Display (VFD) located on the optional Keyboard Display Module.
• Five (LEDs) for sequence information.
• Interchangeable plug-in flame amplifiers.
• Local or remote annunciation of EC7895 and RM7895 operation and fault information.
• Nonvolatile memory; EC7895 and RM7895 retain history files and sequencing status after loss of power.
• Remote reset (optional).
• Report generation (optional).
• Selectable recycle or lockout on loss of airflow.
• Selectable recycle or lockout on loss of flame.
• Shutter drive output.
• Burner controller data (optional):
— Flame signal strength.
— Hold status.
— Lockout/alarm status.
— Sequence status.
— Sequence time.
—Total cycles of operation.
—Total hours of operation.
—Fault history providing for the six most recent faults:
• Cycles of operation at the time of the fault.
• Fault message and code.
• Hours of operation at the time of the fault.
• Sequence status at the time of the fault.
• Sequence time at the time of the fault.