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Operating Instructions | RDF600 |
RDF600 – the room thermostat that allows you to set the ideal room temperature you want. The thermostat provides Comfort mode, Economy mode and Protection.
The fan operates either in automatic mode or at the selected speed when using manual mode. You can either rely on the factory settings or make adjustments that suit your individual needs.
Change room temperature
+ - | Press + or - to increase or decrease the current room temperature setpoint for |
| Comfort mode. The thermostat changes to Comfort . |
| The setting range is from 5...40 °C, unless limited by parameters P09 and P10. |
Adjust fan speed / fan mode
Press the 
button until you reach the desired fan mode.
In Auto mode, the fan speed is automatically selected by the thermostat and depends on the setpoint and the actual room temperature. When the room temperature has reached the setpoint, the fan is switched off (factory setting)
Protection
Comfort
Economy
Display | Measured room temperature, | ||||
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| setpoints and parameters | ||||
| Symbol when actual room | ||||
| temperature is displayed | ||||
| Current time of day or | ||||
| additional user information | ||||
| Fault indicator * |
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settings | Adjusting operating mode | ||||
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| - Protection ( | ) |
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and | - Comfort | ( | ) |
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- Economy | ( | )* |
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Operation | or in a system with manual changeover: | ||||
- Protection |
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| Colder / Warmer | |
| - Comfort heating | ( | ) | ||
| - Comfort cooling | ( | ) | ||
* if configured by your HVAC installer
Condensation in the room*
Cooling demand / mode
Heating demand / mode Electric heater active
Automatic fan
Low fan speed
Medium fan speed
High fan speed
Keypad locked
Adjusting fan mode
- Automatic fan ( | ) |
- Manual fan ( | ) |
In manual mode the fan operates independently and always runs at the same speed: Low, medium or high.
Low fan speed Medium fan speed High fan speed
For a 
and
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Set the thermostat to Protection
Press the operating mode button
several times until the display shows the 
symbol to indicate that Protection is selected.
In Protection 
, only frost protection is active (factory setting = 8˚C), unless your HVAC installer has adjusted the factory settings.
Changes by installer | Frost protection: ________ ˚C |
| Heat protection: ________ ˚C |
Set the thermostat to Economy mode
The thermostat can be set to Economy mode either via pressing the operating mode button 
if enabled (see parameter P02), or via an external contact such
as window switch, key card switch etc.
If the external contact is activated the thermostat changes from Comfort mode or Protection to Economy mode. Any operation by the user has no influence.
In Economy mode, the automatic fan control is active.
Note: If the thermostat is configured for manual heating / cooling changeover, the Economy mode can not be selected via operating mode button 
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Change from heating to cooling mode
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| The changeover between cooling and heating is done either automatically by a |
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| heating / cooling changeover sensor or a remote changeover switch, or manually |
by pressing the operating mode button 
. If the thermostat is configured for cooling only or heating only, no changeover is possible (see parameter P01)
Display for automatic changeover or continuous heating/cooling:
Heating valve is open Cooling valve is open
Display for manual changeover:
Thermostat is in heating mode
Thermostat is in cooling mode
CE1B3176.3en / | Subject to change |
Siemens Building Technologies
