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EC7850A1080 Honeywell Burner Control
Microprocessor Based Integrated Burner Control for Full Modulation Applications, 220/240Vac, Interrupted Pilot, 3 Second, 5 Second or Intermittent Main Flame Establishing Period, 3 or 5 Second Pilot Flame Establishing Period, 30 Second Post Purge, LHL-LF & HF Proven
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. |
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
| Part Number | EC7850A1080 |
| Manufacturer |
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