Eliwell Ewcm 900 S -

The primary function of the controller is to read temperature data.

Additional resources for Eliwell EWCM 900/S documentation and configuration. Manuals & Datasheets System Integration Technical Documentation The official Eliwell EWCM 900/S Datasheet eliwell ewcm 900 s

Unlike the ubiquitous "ID" series (like the ID 974 or ID 961), the EWCM 900 S is often viewed as a more specialized or legacy unit that is highly prized in maintenance and retrofitting scenarios. The primary function of the controller is to

The controller is built to withstand harsh environments. Its operating temperature range is -10°C to 60°C (14°F to 140°F), and it is rated for high humidity (10-90% RH, non-condensing). The screw terminal blocks are heavy-duty, preventing the loosening issues common in cheaper controllers. The controller is built to withstand harsh environments

Features two access levels: oPr (operating) for daily use and CnF (configuration) for initial setup, with password protection available.

Supports two 4–20 mA pressure transducers or NTC temperature probes for suction and condensing monitoring.

Among the plethora of options on the market, the stands out as a powerhouse. Designed by Schneider Electric’s Eliwell brand, this controller merges the simplicity of a classic programmable thermostat with the intelligence of a modern IoT device.