EC7895A and RM7895 are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. They feature safety functions, high reliability, application flexibility, communication interface capability, etc.
This handbook describes the Yamatake‑Honeywell 7800 Series EC7895A and RM7895A microprocessor‑based burner control modules. It covers safety features, system diagnostics, and optional accessories such as keyboard display modules and network interface units.
The manual includes detailed specifications, environmental ratings, mounting dimensions, wiring diagrams, installation procedures, operation sequences, and troubleshooting guidance, helping installers and service technicians configure and maintain the relay module safely and efficiently.
| Voltage and Frequency (100 V version) | 100 Vac (+10/-15%), 50 or 60 Hz |
|---|---|
| Voltage and Frequency (200 V version) | 200 Vac (+10/-15%), 50 or 60 Hz |
| Power Dissipation | 10 W maximum |
| Maximum Total Connected Load | 2000 VA |
| Fusing Total Connected Load | 20 A maximum, type FRN or equivalent |
| Operating Temperature Range | -40 °F to 140 °F |
| Storage Temperature Range | -60 °F to 150 °F |
| Weight (with Dust Cover) | 1 lb 15 oz |
The maximum total connected load is 2000 VA.
The module can operate from –40 °F up to 140 °F.
The module dissipates up to 10 W maximum.
A 20 A FRN (or equivalent) fuse is required.