Honeywell Burner Control: EC7850A1122

Application: Programming Control

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
Required Components: Q7800A,B Universal Wiring Subbases. R7847, R7848,   R7849, R7851, R7861, or R7886 Flame Signal Amplifier. ST7800 Plug-in Purge Timer Card.
Voltage: 220 to 240 Vac (+10, -15%)
Frequency: 60 Hz (±10%)
Frequency: 50 Hz
AirFlow Check: User selectable
Second Stage Pilot Valve: Intermittent
Pilot Type: interrupted
Vibration: 0.5 G environment
Early Spark Termination: Yes, 5 sec
Ambient Temperature Range (F): -40 F to +140 F
Ambient Temperature Range (C): -40 C to +60 C
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
Shipping Weight: 1.6 Kg