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Prgm. Control meeting Euro Comm. Timings

EC7850A1080/U

Programming Control meeting European Community Timings-LHL, HF/LF Proving; 30 second postpurge

  • Product Info
  • Literature

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.

Features

  • 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.

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 - Main
3 sec, or 5 sec, or Intermittent
Interlocks
Lockout
Preignition
Yes
PrePurge
Determined by ST7800A Purge Timer Card
PostPurge
30 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.
AirFlow 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.