1/2 Operating Instructions CB1B1431en_01 / 2013-07-05 Siemens Building TechnologiessOperating Instructions RDD100.1RFThe RDD100.1RF consists of a wireless room thermostat RDD100.1RF which operates in connection with an RDE-MZ6receiver. These units allow you to set the ideal room temperature at the time you want.RDD100.1RF 1 DisplayIndicates that batteries need to be replacedComfort modeEconomy modeFrost protection (heating) activeRoom temperature, setpoint, etc.F Room temperature in degrees FahrenheitC Room temperature in degrees CelsiusButton lock activatedDisplay of zone (default = 1)Heating OnCurrent room temperature2 Change operating mode3 Decrease value4 Increase value5 Battery holderRDE-MZ26To be purchased separatelyDo you want to lock the buttons?Press and hold for at least 7 seconds to activate a button lock. Repeat to unlock.The unit operates normally when the buttons are locked, but no changes can be made.Do you want to change the operating mode?!The room thermostat provides Comfort mode and Economy mode . Changeover between the operating modes can bemade manually by pressing .Comfort mode is a permanent (24 h) selection of Comfort. Select this mode when you want to maintain permanently the Comforttemperature. It is used during occupancy periods, for example.Economy mode is a permanent (24 h) selection of Economy. Select this mode when you want to maintain permanently theEconomy temperature. It is used during non-occupancy periods (e.g. at night).Note:Frost protection is a function always active in the background. As soon as the room temperature falls below 5 ºC, the unitautomatically activates heating .Energy saving tips without loss of comfort• Use Economy mode during longer periods of non-occupancy