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Do
Ins
May 18, 2011

Page 6 of 7

cument No. 129-497 

tallation Instructions 

 

 

Siemens Industry, Inc. 

DIP Switch Settings 

Switch 
Number 

Description Position 

ON 

(Factory Setting) 

Position OFF 

Fan control 

Fan control is 
temperature-independent 
in Normal mode 

Fan control is temperature-
dependent in Normal mode 

2 Temperature 

or 

setpoint 

display 

Room (or return air) 
temperature display 

Setpoint display 

RDF

10

U, an

d RDF

50.1

U

 

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) 

1

 

Fan control

 

Fan control is 
temperature-independent 
in Normal mode

 

Fan control is temperature-
dependent in all operating 
modes

 

2 Temperature 

or 

setpoint 

display 

Room (or return air) 
temperature display 

Setpoint display 

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) 

RDF

20

Electrical heater 

Active in cooling mode 

Inactive in cooling mode 

1

 

Fan control

 

Fan control is 
temperature-independent 
in Normal mode

 

Fan control is temperature-
dependent in all operating 
modes

 

2 Temperature 

or 

setpoint 

display 

Room (or return air) 
temperature display 

Setpoint display 

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) 

RDF

30

Output sequence 

Heating and cooling (four-
pipe) 

Two-stage cooling 

Summary of Contents for RDF10U

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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