Tag: WARMUP 4iE Thermostat

WARMUP 4iE Smart WiFi Thermostat  4iE Legend & Wiring Diagram 1: Standby Button 2: Touchscreen (3 & 4) Screws (To remove fascia) (5) Reset NOTE: For all Warmup thermostats the sensor has no polarity. Fil Pilote (F.P.) – Not used in the UK Thermostat Troubleshooting Thermostat display is blank Check that the display/standby brightness is…