Honeywell Burner Control EC7850A1072

Overview :Microprocessor-based integrated burner control for full modulation applications. Provides automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics, and troubleshooting.

Product Specifications
Application : Programming Control
Dimensions (in.) 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B

Subbase Dimensions (mm)127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B
Subbase Weight (lb) 1 lb 10 oz
Weight (kg) 0.7 kg
Comments LHL-LF& HF Proven Frequency 60 Hz (±10%), 50 Hz Voltage 220 to 240 VAC (+10, -15%)

Shipping and Storage Temperature Range (F) : -40 F to +140 F

Shipping and Storage Temperature Range (C) : -40 C to +60 C

Flame Establishing Period – Pilot 3 sec or 5 sec

Flame Establishing Period – Main3 sec, or 5 sec, or Intermittent

Interlocks : Lockout

Preignition : Yes

Pre-Purge Determined by ST7800A Purge Timer Card

Post-Purge 2 sec

Early Spark Termination Yes, 5 sec

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

Air Flow Check : User selectable

Second Stage Pilot Valve : Intermittent

Pilot Type : interrupted

Vibration : 0.5 G environment

Approvals, Swiss RE Acceptable Approvals, Factory Mutual Report No. 1V9AO.AF. Approvals, Gastec/European GASTEC: CE-63AP3070/1, Approved to EN298.