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
- 15 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.
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