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On-Off Primary Control with PrePurge - Intermittent Pilot Microprocessor-based integrated primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls. • 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. • Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software. • Five LEDs provide sequence information. • Interchangeable plug-in flame amplifiers. • Optional local or remote annunciation of operation and fault information. • Nonvolatile memory retains history files and sequencing status after power loss. • Optional remote reset capability. • Selectable relight or lockout on loss of flame. On-Off Primary Control with Prepurge Flame Establishing Period - Pilot Flame Establishing Period - Main Determined by ST7800A Purge Timer Card Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7861, or R7886 Flame Signal Amplifier. ST7800 Plug-in Purge Timer Card. 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase Approvals, Underwriters Laboratories Inc Component Recognized, File No. MP268; Guide No. MCCZ. Approvals, Canadian Standards Association Certified, File No. LR95329-3. Approvals, Control Safety Devices Approvals, Federal Communications Commission FCC Part 15, Class B, Emissions. Approvals, Industrial Risk Insurers (We do not proofread any ads submitted by members) |
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