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- Flame Failure Response Time (FFRT) of 0.8 or 1 second; or 2.0 or 3.0 seconds
- Plug-in to 7800 Series Relay Module
- 0.0 to 5.0 VDC Flame signal strength reading range
- Approvals: UL, CSA, FM
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- With Valve Proving Feature: RM7840 requires S7800A1142 Keyboard Display.
- Flexible and reliable safety control
- Optional features for valve proving system, displays, communications and annunciation
- Comprehensive diagnostics for easy troubleshooting
- For use on boilers, kilns, ovens, furnaces, packaged rooftop units, and more
- Application – Programming Control
- Approvals: UL, CSA, FM
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- Requires S7800A1142 Display to program VPS feature.
- Subbase and amplifier are required for operation.
- Application – On-Off Primary Control
- Approvals: UL, CSA, FM
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- Requires ST7800 Purge Card.
- Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
- Subbase, amplifier, and prepurge timer are required for operation.
- Application – On-Off Primary Control with Pre-purge
- Approvals: UL, CSA, FM
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- Requires S7800A1142 Display to program VPS and post purge features
- Subbase, amplifier, and prepurge timer are required for operation
- Application – On-Off Primary Control w/VPS
- Approvals: UL, CSA, FM
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- Application flexibility
- Required to program on Honeywell RM7800 series burner controls
- Provides current status of burner sequence, timing, hold, and lockout information
- Approvals: UL, CSA and FM
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- Purge Timer used with 7800 SERIES relay modules
- Various models available from 2 seconds to over 30 minutes prepurge timing
- Approvals: UL, CSA and FM
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- Used with flame that contains ultra-violet
- Used simultaneously in same Protectofier system
- Provided with an electrical wiring (see photos)
- 3 model types
- Approvals: UL, FM and CSA
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