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CB1N3064en 
24.08.2010 

Building Technologies

 

 

 

 

 

 

 

 

 

 

 

 

 

for 2-pipe fan coil units; for use with compressors in DX type equipment 

 

 

 

 

 

 

Output for on/off valve actuator, 3-wire on/off valve actuator or 1-stage 
compressor 

 

3-speed fan control: Automatic or manual 

 

Manual heating/cooling changeover or continuous Cooling only or 
Heating only 

 

Operating modes: Comfort, Protection 

 

Adjustable commissioning and control parameters 

 

Optional display of room temperature or setpoint 

 

Minimum and maximum setpoint limitation 

 

Display temperature in increments of 0.5 

°

C or 1 

°

 

Operating

 

voltage: AC 230 V 

 

Mounting on recessed rectangular conduit box with fixing centre 60.3 mm 

Summary of Contents for RDF510.2

Page 1: ...l Automatic or manual Manual heating cooling changeover or continuous Cooling only or Heating only Operating modes Comfort Protection Adjustable commissioning and control parameters Optional display of room temperature or setpoint Minimum and maximum setpoint limitation Display temperature in increments of 0 5 C or 1 F Operating voltage AC 230 V Mounting on recessed rectangular conduit box with fi...

Page 2: ...mode adjust able via parameters P08 and P09 The display can show current room temperature or the setpoint adjusted by user This can be selected via parameter P18 factory setting is the current room tem perature The heating and cooling symbols on the display show the status of the fan coil This means that the symbols are also shown while the controller operates in the dead zone If required room tem...

Page 3: ...output Y11 was energized for more than 1 minute the Minimum output on time is a fix value Control output Y12 delivers a control command which is inverted to the control command at output Y11 and which can be used for open valves normally When pressing the Heat Cool mode selector the controller will change from heat ing to cooling or vice versa If the controller is set to Cooling only or Heating on...

Page 4: ...fan motor starts to overcome inertia and friction Error handling When the room temperature is out of the measuring range which means above 49 C or below 0 C the display shows the limiting temperature in flashing figures 0 C or 49 C If the current setpoint is not OFF see parameters P03 and the controller is in heating mode when the temperature is below 0 C output Y11 will be energized In all other ...

Page 5: ...ill show 888 during the reloading process Para meter Meaning Setting range Factory setting P03 Setpoint of heating in Protection Mode WheatStb OFF 5 C WcoolStb 8 C P04 Setpoint of cooling in Protection Mode WcoolStb OFF WheatStb 40 C OFF P05 Minimum setpoint limitation in Comfort Mode WminComf 5 C WmaxComf 5 C P06 Maximum setpoint limitation in Comfort Mode WmaxComf WminComf 40 C 35 C P07 Sensor c...

Page 6: ...21 N4863 N4863AP Thermal actuator for radiator valves small valves and zone valves STA21 N4877 Thermal actuator for terminal unit valves STP21 N4878 Electric actuator for zone valves SUA N4832 Conduit box for semi flush mount thermostat ARG71 S55770 T137 N3009 Only available in AP UAE SA and IN Ordering When ordering please indicate the product name product number and SSN num ber Room Thermostat R...

Page 7: ...parameters Symbol used when displaying the current room temperature Fan mode and fan speed indicator Automatic fan active Manual fan active Fan mode button changing the fan mode Auto manual changing the fan speed Low Medium High Heat Cool mode selector For the changeover between cooling mode and heating mode if P22 3 Or Operating mode button For the selection of comfort mode and protection mode Or...

Page 8: ...egments displayed indicating that the reset has been correctly made This takes about 3 seconds Then the controller is ready for commissioning by qualified HVAC staff The control parameters of the controller can be set to ensure optimum performance of the entire system please refer to Parameter Settings Depending on the application the Heat Cool mode must be set via parameter P22 Factory setting is...

Page 9: ...oling mode 20 C 8 C OFF Built in room temperature sensor Measuring range Accuracy at 25 C Temperature calibration range 0 49 C 0 5 K 3 K Resolution of settings and display Setpoints Current temperature value displayed 0 5 C 0 5 C Operation Climatic conditions Temperature Humidity to IEC 721 3 3 class 3K5 0 50 C 95 r h Transport Climatic conditions Temperature Humidity Mechanical conditions to IEC ...

Page 10: ...gree of protection of housing IP 30 as per EN 60529 Connection terminals solid wires or prepared stranded wires 2 x 0 4 1 5 mm 2 or 1 x 0 4 2 5 mm 2 Weight 0 17 kg Color of housing front white RAL 9003 Connection terminals L N Operating voltage AC 230 V Q1 Control output Fan speed 1 AC 230 V Q2 Control output Fan speed 2 AC 230 V Q3 Control output Fan speed 3 AC 230 V Y11 Control output Valve AC 2...

Page 11: ...11 12 Siemens Semi flush mount Room Thermostats with LCD CB1N3064en Building Technologies 24 08 2010 Dimensions ...

Page 12: ...12 12 Siemens Semi flush mount Room Thermostats with LCD CB1N3064en Building Technologies 24 08 2010 2010 Siemens Schweiz AG Subject to change ...

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