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Programmer Control EC7850A1122

The Honeywell EC7850A1122 is a microprocessor-based integrated burner control for full modulation applications. It provides automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.

Features include;
Access for external electrical voltage checks.
Application flexibility and communication interface capability.
Five LEDs provide sequence information.
Five function Run/Test Switch.
Interchangeable plug-in amplifiers.
Local or remote annunciation of operation and fault information (optional).
Non-volatile memory retains history files and lockout status after loss of power.
Compatible with existing Honeywell flame detectors.

Required Components: Q7800A,B Universal Wiring Subbases. R7847, R7849, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.

220-240V, 50 or 60 Hz
Flame establishing Period: Main: 3 sec or 5 sec or intermittent
Pilot: 3 sec or 5 sec
Post Purge: 15 sec
LHL-LF & HF Proven
Consult the attached pdf for further specifications.

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