Tag: THERMOSTAT THR842D

HONEYWELL THR842D Wireless Room Thermostat  Feature Room temperature Set temperature, inquiry Set temperature, adjustment  Switch ON/OFF (frost protection enabled) Operating indicator Heating demand indicator Frost protection Fault indicator Low battery indicator RF communication Loss of RF communications. The Relay Box operates in Failsafe mode, as set by the Installer. Heat/cool change over Energy Saving ECO…