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Siemens

Room temperature controller with LCD

N3075en

Building Technologies

17.04.2009

Legend

Live conductor AC 230 V

Neutral conductor AC 230 V

Room temperature controller

RDX33...
R1

Relay changeover module

Y Heat

pump

Actuating device ”Heating”

Actuating device ”Cooling”

Q13-Q14

Output for compressor

Q21-Q22 H/C

changeover

output

AC 230 V or SELV DC 10 V

Live conductor AC 230 V

Neutral conductor AC 230 V

Room temperature controller RDX43..

Auxiliary electric heating

Y Heat

pump

Actuating device ”Heating”

Actuating device ”Cooling”

Q13-Q14

Output for compressor

Q21-Q22-Q24 H/C

changeover

output

Q33-Q34

Output for auxiliary electric heating

Dimensions

102

120.3

128

RDX33…

RDX43…

2008 – 2009 Siemens Switzerland Ltd

Subject to change

Содержание RDX33.21

Страница 1: ...ection Potential free output ON OFF for release of a heat pump or control of actuating devices Potential free output ON OFF for selection of heating or cooling Output for control of auxiliary electric heating RDX43 2 Manual heating cooling changeover 8 programmable time switches Selectable commissioning and control parameters Selectable display of room temperature or setpoint Minimum and maximum s...

Страница 2: ...meters P08 and P09 The display shows the acquired room temperature or the setpoint of the current operat ing mode This can be selected via parameter P15 Factory setting is display of the current room temperature The heating and cooling symbols on the display show the system s operating state Symbol shows when the auxiliary electric heater is in operation Symbol c indicates when the heat pump s com...

Страница 3: ...t adjustable 18 25 C Heating setpoint adjustable 18 25 C P05 P06 5 C 40 C 25 C 21 C P05 P06 Cooling setpoint adjustable 25 40 C Heating setpoint adjustable 5 21 C The setpoints for Energy Saving mode can be adjusted via control parameters P01 and P02 In Protection mode the controller monitors the setpoints adjusted for heating and cooling If the room temperature exceeds or falls below the setpoint...

Страница 4: ...ompressor s control input Output Q21 Q22 Q24 must be connected to the compressor s H C control input Output Q33 Q34 NO contact is for connection to an auxiliary electric heater RDX43 2 Button is used for manual changeover from heating to cooling or vice versa The factory setting of the changeover contact is Open for heating and can be changed to Closed for heating using parameter P18 To avoid dama...

Страница 5: ...nd time for Comfort mode which can be applied to several weekdays To set the time schedule keep button depressed for 3 seconds to go to the pro grammable timer setting mode This mode is indicated by displaying Ax x auto timer 1 8 and the time of day blinking For each time switch proceed as follows 1 Symbols and are displayed Press or to set the Comfort mode start time and confirm by pressing 2 Sym...

Страница 6: ...pressing and the weekday indicator starts blinking 3 Press or to set the current weekday 4 Confirm by pressing In the event of a power failure the time date last operating mode last heating cooling changeover status setpoint and auto timer program will be stored When power re turns this time reappears and starts running again The time display blinks to indicate that there was a power failure Blink...

Страница 7: ...tedly pressing and P01 P02 P18 3075Z03 4 By pressing and simultaneously or by pressing the current value of the selected parameter appears which can be changed by repeatedly pressing or 5 5 seconds after the last press of a button or by pressing and simultane ously the value will be stored 6 If you wish to display and change additional parameters repeat steps 3 through 5 7 10 seconds after the las...

Страница 8: ...0 minutes 1 min P12 Min compressor off time Q14 3 min 1 10 minutes 1 min P13 Min hold time of auxiliary heating 1 min 1 10 minutes 1 min X P14 Selection of C or F C C or F P15 Display of room temperature or setpoint ON OFF Setpoint ON Room temperature P16 Auxiliary heating in heating mode 1 Enable 0 Disable 1 Enable X P17 12 or 24 hour format 1 24 h 0 12 hour format 1 24 hour format P18 Acting dir...

Страница 9: ...ate 112 x 130 mm for surface wiring ARG70 2 Ordering When ordering please give description and product No E g room temperature controller RDX33 21 Valve actuators are to be ordered as separate items Mechanical design The controller consists of 2 parts Plastic housing which accommodates the electronics the operating elements and the built in room temperature sensor Mounting base The housing engages...

Страница 10: ...d weekday settings in automatic time switch program 5 Button for selecting and setting the 8 time switches 6 Button for confirmation Display 7 Day of week 1 7 1 Monday 7 Sunday 8 Current room temperature room temperature setpoint in C or F 9 Cooling mode 10 Auxiliary electric heating ON 11 c Compressor ON 12 Symbol for display of current room temperature 13 Time of day in hours and minutes 12 or 2...

Страница 11: ...uts as soon as the battery compartment is rein serted Then the controller is ready to be commissioned by qualified staff The control parameters of the controller can be set to ensure optimum performance of the whole system also refer to Parameter settings After applying power the controller makes a reset during which all LCD segments blink indicating that the reset has been correctly made This tak...

Страница 12: ... 0 5 4 K Heating mode factory setting Cooling mode factory setting 2 K 1 K Setpoint setting range Comfort mode Energy Saving mode Protection mode 5 40 C OFF 5 40 C OFF 5 40 C Factory settings for setpoints Comfort mode Energy Saving mode H C Protection mode H C mode 20 C 16 C 28 C 8 C Built in room temperature sensor Measuring range Accuracy at 25 C Temperature calibration range P07 0 49 C 0 5 K 3...

Страница 13: ... 2 5 mm2 Weight 0 28 kg Color of housing front White NCS S 0502 G RAL 9003 Connection terminals RDX33 21 Q13 Q14 Q22 Q13 Q14 Control output NO compressor Q21 Q22 Control output NO H C changeover RDX43 2 L N Q13 Q14 Q33 Q34 Q22 L N Operating voltage AC 230 V Q13 Q14 Control output NO compressor Q21 Q22 Control output NO H C changeover for heating Q21 Q24 Control output NO H C changeover for cooling...

Страница 14: ...g Q13 Q14 Output for compressor Q21 Q22 H C changeover output AC 230 V or SELV DC 10 V L Live conductor AC 230 V N Neutral conductor AC 230 V N2 Room temperature controller RDX43 E1 Auxiliary electric heating Y Heat pump Y1 Actuating device Heating Y2 Actuating device Cooling Q13 Q14 Output for compressor Q21 Q22 Q24 H C changeover output Q33 Q34 Output for auxiliary electric heating Dimensions 10...

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