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RM7897A2002
The RM7897A2002 is a relay control module from Honeywell's 7800 Series, designed for precise burner control in heating applications. It operates on a supply voltage of 120 VAC and functions effectively within a frequency range of 50 to 60 Hz.
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Technical specifications for RM7897A2002
| Manufacturer | Honeywell |
|---|---|
| Product Type | Relay Control Module |
| Product Line | 7800 Series |
| Part Number | RM7897A2002 |
| Supply Voltage | 120 VAC |
| Minimum Frequency | 50 Hz |
| Maximum Frequency | 60 Hz |
| Application Type | On-Off Primary Burner Control Applications with Pre-purge and Programmable Post-purge |
| Pilot Flame Establishing Period | 4 seconds or 10 seconds |
| Memory Type | Non-volatile memory |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 60°C |
| Minimum Storage Temperature | -40°C |
| Maximum Storage Temperature | 66°C |
The Honeywell RM7897A2002 is a compact relay control module weighing 1.81 lbs. It operates at a supply voltage of 120 VAC, ensuring compatibility for various industrial systems. This module is ideal for on-off primary burner control, integrating features such as pre-purge and programmable post-purge functionalities, which enhance its versatility in burner management.
It supports a frequency range from 50 Hz up to a maximum of 60 Hz. A crucial aspect of its design is the pilot flame establishing period, which can be configured to last either 4 seconds or extend to 10 seconds, ensuring reliable flame detection and stabilization.
The RM7897A2002 incorporates non-volatile memory, enabling the retention of essential settings, even in the event of a power loss. The temperature operation range is notably wide, allowing for minimum operating conditions down to -40°C and a maximum of 60°C. For storage, this module withstands temperatures from -40°C up to 66°C, making it suitable for diverse environmental conditions encountered in various heating applications.
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