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Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as 
design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective owners. 
© 2007 Siemens Industry, Inc.

 

Siemens Industry, Inc. 

Building Technologies Division 
1000 Deerfield Parkway 
Buffalo Grove, IL 60089 
+ 1 847-215-1000 

Your feedback is important to us. If you have comments 
about this document, please send them to 

[email protected]

 

 

Document No. 155-335 

Printed in the USA 

Page 10 

 

 

Dimensions in 
Inches (Millimeters) 

 

 

Figure 6.  RDF30U Controller. 

 

Figure 7.  Base Plate. 

 
 
 

Содержание RDF30U

Страница 1: ...ting mode changeover input for remote control Day Night Air movement control function for avoiding damage resulting from moisture Selectable installation and control parameters Display of room temperature or setpoint selectable Electronic minimum and maximum setpoint limits Operating voltage 24 Vac Application Typical use For controlling room temperature in individual rooms that are heated or cool...

Страница 2: ...wing occurs leaving the heating or cooling sequence provided the Temperature dependent fan control function is activated manually changing to Standby provided no setpoints example for freeze protection are set and active activating an external operating mode changeover switch provided application conditions do not call for Economy mode turning off the controller s power supply Display If DIP Switc...

Страница 3: ... the measured room temperature or the fan coil unit s return air temperature It detects if a QAH11 1 cable temperature sensor is connected to input 9 8 and then operates automatically according to that temperature Operating Modes Normal Mode Heating or Cooling mode with automatic changeover and manually selected fan speed III II or I In Normal mode the controller maintains the adjusted setpoint in...

Страница 4: ...g operation without opening the unit In the event of a power failure all set control parameters will be maintained Settings The parameters can be changed as follows 1 Set the operating mode selector to Standby 2 Press buttons and simultaneously for a minimum of three seconds Release them and within two seconds press the button again for three seconds The display will show P01 3 Select the required...

Страница 5: ... or switching differential heating NOTE This parameter is in degrees Kelvin 1 K 1 8 F 0 5 K to 4 K 1 F to 7 F in increments of 0 5 K 2 K 3 6 F P11 P band in Cooling mode or switching differential cooling NOTE This parameter is in degrees Kelvin 1 K 1 8 F 0 5 K to 4 K 1 F to 7 F in increments of 0 5 K 1 K 1 8 F P12 Dead zone in Normal mode 0 5 K to 10 K 1 F to 18 F in increments of 0 5 K 2 K 3 6 F ...

Страница 6: ...nical Design The controller consists of two parts Plastic housing which accommodates the electronics the operating elements and the built in room temperature sensor Base The housing engages in the base and is secured with two screws The base carries the screw terminals The DIP switches are located at the rear of the housing Setting and Operating Elements Figure 2 RDF30U Components 1 Display of the...

Страница 7: ... Changeover activated when switch is open 4 Output sequence Heating and cooling four pipe Two stage cooling Mounting Installation and Commissioning Notes Mounting location On a wall or inside the fan coil unit Do not mount in niches or bookshelves behind curtains above or near heat sources Do not mount in direct sunlight Mounting height is approximately 60 inches 1 5 m above the floor The connecti...

Страница 8: ...eter P09 Specifications Power Supply Operating voltage 24 Vac 20 25 Frequency 50 60 Hz Power consumption 6 VA maximum Fan control outputs 12 11 10 24 Vac Rating 5 3 A maximum Valve control output 4 6 NO 24 Vac 55 3 A maximum Return air temperature sensor QAH11 1 safety class II status input 9 8 NTC resistor 3 k at 77 F 25 C Status input D1 and GND Contact sensing SELV 6 to 15 Vdc 3 to 6 mA Insulat...

Страница 9: ...Terminals Figure 4 Wiring Terminals 1 2 24 Vac negative 3 24 Vac positive 4 Control valve output 24 Vac 5 Control valve output 24 Vac inverse of output 4 6 Control output second stage heating or cooling NO contact 8 Measuring neutral remote sensor 9 Return air temperature sensor 10 Control output Fan speed III 24 Vac 11 Control output Fan speed II 24 Vac 12 Control output Fan speed I 24 Vac D1 Sta...

Страница 10: ...rademarks of their respective owners 2007 Siemens Industry Inc Siemens Industry Inc Building Technologies Division 1000 Deerfield Parkway Buffalo Grove IL 60089 1 847 215 1000 Your feedback is important to us If you have comments about this document please send them to SBT_technical editor us sbt siemens com Document No 155 335 Printed in the USA Page 10 Dimensions in Inches Millimeters Figure 6 R...

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