EC7820 Primary Control Meeting European Community Timings

The Honeywell EC7820 is a microprocessor-based integrated burner control for automatically fired gas, oil, or combination fuel single burner atmospheric with fan (EC7820A) applications. The EC7820 Relay Module system consists of a relay module, wiring subbase, amplifier, and purge card. Options include: keyboard display module (KDM), Data ControlBus Module, remote display mounting and Modbus™ Module. Functions provided by the relay modules include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting. This document covers the following 7800 Series Relay Modules: EC7820A1026/U EC7820A2026/U This document provides installation and static checkout instructions.