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Document No. 129-497 

Installation Instructions  

May 18, 2011 

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. Teflon is a registered 
trademark of DuPont. Product or company names mentioned herein may be the trademarks of their respective owners. © 2011 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]

Commissioning (by qualified HVAC Installer) 

Para-
meter 

Controller’s parameter factory settings: 

Default settings  Setting range (all settings can be made in increments of 0.5

°

K) 

RDF10U RDF20U  RDF30U  RDF50.1U  RDF60.1U 

P01 

Setpoint of heating in night setback (Economy) mode  
(operating mode changeover switch activated) 

61°F (16

°

C)  OFF, 41°F to 68

°

F (5

°

C to 20

°

C)  

 

 

 

 

 

P02 

Setpoint of cooling in night setback (Economy) mode  
(operating mode changeover switch activated) 

82°F (28

°

C)  OFF, 70

°

F to 95

°

F (21

°

C to 35

°

C) 

 

 

 

 

 

P03 

Setpoint of heating in Freeze Protection (standby) position 

 

46°F (8

°

C) 

 

OFF, 41

°

F to 68

°

F (5

°

C to 20

°

C)  

 

 

 

 

 

P04 

Setpoint of cooling in standby position 

 

OFF

 

OFF, 70

°

F to 95

°

F (21

°

C to 35

°

C)  

 

 

 

 

 

P05 

Minimum (lower) setpoint limit stop in normal mode 

41

°

F (5

°

C) 

41

°

F to Wmax

Norm

 (5

°

C to 

Wmax

Norm

 

 

 

 

 

P06 

Maximum (upper)setpoint limit stop in normal mode 

95

°

F (35

°

C) 

Wmin

Norm

 to 95

°

F (Wmin

Norm

 to 

35

°

C) 

Legend to table 

 

 

 

 

 

P07 

Heat/cool changeover switching point cooling 

61

°

F (16

°

C) 50

°

F to 77°F (10

°

C to 25

°

C) 

  X   

 

P08 

Heat/cool changeover switching point heating 

82

°

F (28

°

C) 81

°

F to 104

°

F (27

°

C to 40

°

C) 

 

Adjustable: please record 
all changes you make

 

 

 X 

 

 

P09 

Sensor calibration 

0 (0 K) 

-3 K to +3 K (-5.5

°

F to 5.5

°

F) 

  Not adjustable/display only

 

 

 

 

 

P10 

Switching differential in heating mode 

*

  

2 K (3.6

°

F) 1

°

F to 7

°

F (0.5 K to 4 K) 

x Not 

adjustable/no 

display 

 

 

 

 

 

P11 

Switching differential in cooling mode 

*

 

1 K (1.8

°

F) 1

°

F to 7

°

F (0.5 K to 4 K) 

 

 

 

 

 

Integration time 

5 minutes 

1 to 10 minutes 

X

 

X X

 

 

 

P12 

Dead zone in normal operation 

*

 

2 K (3.6

°

F) 1

°

F to 18

°

F (0.5 K to 10 K) 

X

 

 

 

X

 

X

 

P13 

Active temperature sensor (no setting, display only) 

1: room temperature sensor active 
2: return air temperature sensor active 

 

 

 

 

 

P14 

Value of current room temperature reading (no setting, display only) 

32

°

F to 120

°

F (0

°

C to 49

°

C) = current temperature value 

 

 

 

 

 

P15 

Value of current heat-cool changeover temperature reading including indication of 

current mode (

,

) (no setting, display only) 

100 = input open (no sensor connected, heating mode [

]) 32

°

to 120

°

F (0

°

C to 49

°

C) = current temp. value  

00 = input bridged, cooling mode (

 

 X 

 

 

P16 

Purging function 

0 minutes 

0 minutes: not active 
1 to 5 minutes active with selected duration 

  X   

 

P17 

Fan control in energy saving mode  
OFF: fan is off in the dead zone. ON: fan is on in the dead zone. 

OFF 

ON:  running in selected speed or in speed one if in  
standby 

 position 

 

 

 

 

 

Setpoint differential 

*

 

2 K (3.6

°

F) 1

°

F to 9

°

F (0.5 K to 5 K) 

X     X 

P18 

Test mode for checking the actuator direction (note that this parameter can be quit 
only if the setting is back at “---” and by pressing b and – simultaneously) 

--- 

“---“   = no signal on outputs Y1 and Y2 
OPE = output Y1 forced open 
CLO = output Y2 forced closing 

X X  X  X 

 

P19 

Minimum output on-time 

1 minute

1 to 20 minutes (in increments of 1 minute)

     X  X 

P20 

Minimum output off-time 

1 minute 

1 to 20 minutes (in increments of 1 minute) 

     X  X 

P21 

Fan overrun 

see list 

0 to 300 seconds (in increments of 10 seconds) 

(60s) (0 

s) 

X X 

P22 

Point of reference for setpoint in Normal mode 

HA HA: 

heating 

sequence 

CL: cooling sequence 

 

 

X X 

P23 

Display unit of measurement 

°

F

 

°

°

 

 

 

 

 

Note

: This parameter is in degrees Kelvin, 1°K = 1.8°F). 

 

Document No. 129-497 

Printed in the USA

 

Page 7 of 7 

 

Содержание RDF10U

Страница 1: ...pe fan coil units RDF20U Two pipe fan coil units with electrical heater RDF30U Four pipe fan coil units RDF50 1U Two pipe fan coil units with 0 to 10 Vdc output Required Tools Small flat blade screwdriver Wire strippers Electric drill Expected Installation Time 30 minutes Accessories 141 570 Lockable Thermostat Guard ARG70 Wall Plate Adapter QAH11 1 Remote Changeover Sensor Installation Step 1 Loo...

Страница 2: ...ur pipe system TH0899R1 S1 M1 Y1 I II III SN SP SN 1 3 7 8 D1 GND 4 2 10 11 12 N1 9 B2 B1 5 Figure 1 RDF10U TH0897R1 S1 B1 M1 Y1 I II III SN SP SN 1 3 9 8 D1 GND 4 2 10 11 12 N1 Y2 6 5 Figure 2 RDF30U Terminal Position RDF10U and RDF30U Terminal Function 1 Operating voltage 24 Vac negative 2 Operating voltage 24 Vac negative 3 Operating voltage 24 Vac positive 4 Heating cooling output NO 5 Heating...

Страница 3: ...ND Signal input for potential free operating mode changeover switch TH0896R1 S1 B2 M1 Y1 I II III SN SP SN 5 7 2 3 D1 Siemens Industry Inc Page 3 of 7 G 1 6 N1 10 11 12 ND B1 4 Figure 4 RDF50 1U 3 2 T F 3 2 3 2 T 3 2 QAH11 1 T F T F TH0890R1 Figure 5 RDF50 1U Terminal Position RDF50 1U Terminal Function 1 0 to 10 Vdc output for valve 2 Heat Cool changeover sensor 3 Measuring neutral 4 Return air s...

Страница 4: ...t is made The display will then stop flashing Changing from Heating to Cooling Mode Automatic changeover Display shows that heating valve is open Display shows that cooling valve is open Selecting the Three Fan Speeds with the Operating Mode Selector High Medium Low Changing from Heating or Cooling Mode to Standby With all RDF types the operating mode selector is used to manually change from Heati...

Страница 5: ... be adjusted Adjustments can be made during operation without opening the controller If the room temperature displayed by the controller does not agree with the actual room temperature the temperature sensor can be recalibrated by changing parameter P09 NOTE For factory settings see Commissioning See Changing the Control Parameters and follow steps 1 through 3 to select parameter P09 With step 4 t...

Страница 6: ...Fan control is temperature dependent in all operating modes 2 Temperature or setpoint display Room or return air temperature display Setpoint display 3 Operating action of switch for external operating mode changeover Changeover is activated when switch is closed NO Changeover is activated when switch is open NC RDF20U 4 Electrical heater Active in cooling mode Inactive in cooling mode 1 Fan contr...

Страница 7: ...alibration 0 0 K 3 K to 3 K 5 5 F to 5 5 F Not adjustable display only P10 Switching differential in heating mode 2 K 3 6 F 1 F to 7 F 0 5 K to 4 K x Not adjustable no display P11 Switching differential in cooling mode 1 K 1 8 F 1 F to 7 F 0 5 K to 4 K Integration time 5 minutes 1 to 10 minutes X X X P12 Dead zone in normal operation 2 K 3 6 F 1 F to 18 F 0 5 K to 10 K X X X P13 Active temperature...

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