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RM7840L2026
The RM7840L2026 is a microprocessor-based burner control unit from Honeywell's 7800 Series. Designed for intermittent pilot applications, it operates at a voltage of 120 VAC and supports input frequency of either 50 or 60 Hz.
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Technical specifications for RM7840L2026
| Manufacturer | Honeywell |
|---|---|
| Product Type | Microprocessor-based integrated burner control unit |
| Product Line | 7800 Series |
| Part Number | RM7840L2026 |
| Pilot Type | Intermittent |
| Voltage Rating | 120 VAC |
| Input Voltage Frequency | 50/60 Hz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 60°C |
| Main Flame Establishing Period | 10 seconds or intermittent |
| Pilot Flame Establishing Period | 4 or 10 seconds |
| Interlocks Type | Lockout |
| Power Dissipation | 10 W maximum |
| Maximum Total Connected Load | 2000 VA |
| Fusing | 15A max. with Type SC or equivalent fast-blow fuse |
| Vibration Rating | 0.5G environment |
| Mounting Type | Plug-in module on Q7800A2005/Q7800B2003 wiring subbase (2000 Series) |
Developed by Honeywell, the RM7840L2026 is a burner control unit that utilizes a microprocessor for enhanced control precision. It is intended for applications requiring intermittent pilot operation. The device operates at a voltage of 120 VAC and is compatible with input frequencies of 50 and 60 Hz. It features an operational temperature range from -40°C up to 60°C, making it suitable for diverse environmental conditions.
For flame establishment, the main flame can be established within a maximum period of 10 seconds, while the pilot flame requires 4 or 10 seconds. This timing is critical for ensuring proper system functionality. The unit is equipped with lockout interlocks to prevent unsafe operation conditions. In terms of power specifications, the maximum power dissipation is limited to 10 watts, and it can handle a total connected load of up to 2000 VA.
Electrical protection is provided through fusing, which requires a fast-blow fuse of up to 15A, such as the Type SC. The device operates effectively within a vibration environment rated at 0.5G, further enhancing its reliability. Installation is facilitated by a plug-in module designed for the Q7800A2005 or Q7800B2003 wiring subbase from the 2000 Series, ensuring compatibility and ease of integration into existing systems.
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