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RM7888A1027
The RM7888A1027 model from Honeywell’s 7800 Series is a microprocessor-controlled integrated burner management unit, designed for reliable operation in industrial environments. Weighing 3 lbs, it functions effectively with a voltage input of 120 VAC and accommodates both 50 Hz and 60 Hz frequency inputs.
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Technical specifications for RM7888A1027
| Manufacturer | Honeywell |
|---|---|
| Product Type | Microprocessor-based integrated burner control unit |
| Product Line | 7800 Series |
| Part Number | RM7888A1027 |
| Voltage Rating | 120 VAC |
| Input Voltage Frequency | 50/60 Hz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 60°C |
| Minimum Storage Temperature | -40°C |
| Maximum Storage Temperature | 66°C |
| Humidity Range | 85% RH (non-condensing) |
| Power Dissipation | 10 W maximum (3W maximum for display module) |
| Maximum Total Connected Load | 2000 VA |
| Fusing | 20A max., Type FRN or equivalent fuse |
| Mounting Type | Plug-in module on Q7800A1005/Q7800B1003 wiring subbase |
| Pilot Flame Establishing Period | 10 seconds |
| Main Flame Establishing Period | 15 seconds |
The Honeywell RM7888A1027 is classified as a microprocessor-based burner control unit that integrates advanced functionalities for improved performance. Designed with a weight of 3 lbs, this unit operates at a voltage rating of 120 VAC. It is versatile enough to support input voltage frequencies of both 50 Hz and 60 Hz, making it suitable for various applications.
This control unit is engineered for extreme environments, with a minimum operational temperature of -40°C and a maximum of 60°C. Its storage capabilities are equally robust, allowing for temperatures from -40°C to a maximum of 66°C. Alongside these specifications, it can function in humidity levels up to 85% relative humidity, ensuring reliable performance under varied conditions.
Power dissipation is limited to a maximum of 10 watts, and for the display module, this is capped at 3 watts. The control unit is designed to handle total connected loads up to 2000 VA. For circuit protection, it uses a maximum 20A fuse, specifically Type FRN or its equivalent.
The innovative design enables it to be mounted as a plug-in module onto Q7800A1005 or Q7800B1003 wiring subbases, facilitating straightforward installation. For safety, the burner control unit establishes the pilot flame within 10 seconds, and it ensures the main flame is established within 15 seconds. This makes the RM7888A1027 an efficient choice for applications requiring precise flame management.
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