Description
Flame controller RM7840L microprocessor-based integrated to control applications in fired gas, oil, or combination fuel burners. The basic functions include automatic burner sequencing, flame supervision, system status indication, system self-diagnostics and troubleshooting.
Specifications:
- Complete reference: RM7840L1018 RM7840L1026 and RM7840L1075
- Access for external voltage checks
- Five LEDS with symbols for power, pilot, flame, main and alarm
- Non-volatile memory.
- Remote mounting KDM, keyboard display module (optional)
- Remote reset (optional)
- Voltage: 120 Vac (+10, -15%) 50/60 Hz.
- Ambient temperature range: -40 C to +60 ° C.
- Dimensions: 127 mm x 127 mm wide x 133 mm deep
- Amplifiers and flame detectors see pdf.
|
Reference |
Initiate |
Purge |
Flame stab. |
Post purge |
Interlock circuits |
Firing rate circuit |
Energy saving prepurge |
|
|
Pilot |
Main |
|||||||
|
RM7840L |
10 sec |
* |
4 or 10 sec |
10 or 15 sec a |
15 sec |
Preignition, lockout, high and
low fire |
4-wire modulating |
No |
* Determined by the purge card ST7800A
a RM7840L1026 can be 10 sec or intermitent
|
Terminal No. |
Description |
Ratings |
|
5 |
Burner Motor |
120 Vac, 9.8 AFL, 58.8 ALR
(inrush). |
|
6 |
Burner Controller and
Limits |
120 Vac, 1 mA. |
|
18 |
Low Fire Switch Input |
120 Vac, 1 mA. |
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