Question: How do I change the batter in an EP210 Two channel programmer? Answer: EP210 two channel programmers have a built in back up battery, this is not a user replaceable part. Question: Does the EP210 have a frost mode function? Answer: EP210 ...
EP210 : Operating Keys and Buttons (1.7.1) . Key Function Press to activate the Backlight. Press and hold for 3 seconds to activate the Holiday Mode. Press to select ON/ONCE/AUTO/ADV/OFF for heating Press to select ON/ONCE/AUTO/ADV/OFF for hot water ...