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ManualsBrandsSiemens ManualsThermostats (temperature controller with sensor)Flush-mounted Heating Room Thermostat RDD310/MM
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Siemens CB1N3066.2en
Smart Infrastructure 2019-10-25
OFF
The valve or compressor receives the CLOSE command via control output Q14 when both of
the following conditions are met.
● The acquired room temperature lies by half the switching differential above the setpoint
(heating mode)
● Control output Q14 is energized for more than the “Minimum output on time” (factory
setting: 1 minute)
Control output Q11 delivers a control command which is inverted to the control command at
output Q12 and which can be used for normally open valves.
Minimum output on/off time Q14 and Q12
The minimum output on/off time of Q14 and Q12 is 1 minute by default. It means that any
readjustment of the setpoint will be hold for 1 minute before Q14 and Q12 react.
Parameter settings
To optimize the control performance, you can use local HMI to adjust a number of control
parameters. All control parameter settings will be retained or restored with power loss.
Proceed as follows to change the control parameters:
1. Set the thermostat to Protection Mode .
2. Press and hold down the + and - buttons simultaneously for 3 seconds.
– Release the buttons, and within 2 seconds, press and hold down the + button for 3
seconds.
a P03 displays on the screen.
3. Select the required parameter by pressing the + or - button as follows:
4. Press the + and - buttons simultaneously.
a The current value of the selected parameter displays on the screen.
– Press the + or - button to change the value.
– Either press the + and - buttons simultaneously to confirm the change, or wait for 5
seconds to have the change saved automatically.
5. Repeat Step 3 through 4 to change more parameters.
a 10 seconds after the last pressing, all changes are saved and the thermostat returns to
protection mode.
Parameter reset
1. Set the thermostat to Protection Mode .
2. Press and hold down the buttons + and - simultaneously for 3 seconds.
– Release the buttons, and within 2 seconds, press the operating mode selector button
twice.
a 888 displays on the screen during the reloading process.