User Manual
Table Of Contents
- 1. About this document
- 2. Summary
- 3. Functions
- 3.1 Temperature control
- 3.2 Operating modes
- 3.3 Room temperature setpoint
- 3.4 Applications overview
- 3.5 Additional functions
- 3.6 Control sequences
- 3.7 Control outputs
- 3.8 Fan control
- 3.9 Multifunctional input, digital input
- 3.10 Handling faults
- 3.11 Modbus RTU mode
- 3.12 Communication objects
- 3.13 Control parameters
- 4. Handling
- 5. Connection
- 6. Mechanical design
- 7. Technical data
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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2020-12-01
3.13.4 Parameters of the "Expert level with
diagnostics and test"
Parameter
Name Factory
setting
Range
Expert level
P30
P-band/Switching differential for
heating mode
2 K 0.5 … 6 K
P31
P-band/Switching differential for
cooling mode
1 K 0.5 … 6 K
P33
Dead zone in Comfort mode
2 K 0.5 … 5 K
P34
Setpoint differential
2 K 0.5 … 5 K
P35**
Integral time
5 min 0…10 min
P36**
Heating/cooling changeover
switching point for cooling
16 °C 10…25 °C
P37**
Heating/cooling changeover
switching point for heating
28 °C 27…40 °C
P38**** Input X1 3 = Op mode c/o
0 = --- (no function)
1 = Room temp ext. sensor /
Return air temp (AI)
2 = H/C changeover (AI/DI)
3 = Operating mode contact (DI)
4 = Dew point sensor (DI)
5 = Enable electric heater (DI)
6 = Fault input (DI)
7 = Monitor input (Digital)
8 = Monitor input (Temp)
P39****
Operating action for X1 if digital
input
NO
NO = Normally Open
NC = Normally Close
P40**** Input X2 1 = Ext. sensor
0 = --- (no function)
1 = Room temp ext. sensor /
Return temp (AI)
2 = H/C changeover (AI/DI)
3 = Operating mode contact (DI)
4 = Dew point sensor (DI)
5 = Enable electric heater (DI)
6 = Fault input (DI)
7 = Monitor input (Digital)
8 = Monitor input (Temp)
P41****
Operating action for X2 if digital
input
0 (N.O.)
0 = Normally Open
1 = Normally Close
P44*** Actuator running time Y11/Y21 150 s 20…300 sec
P46 Y2x load current 0.0 A 0.0 to 5.0 A
P48
On time minimum for 2-pos output
control 1 min. 1...20 min
P49
Off time minimum for 2-pos output
control 1 min. 1...20 min
P50 Purge time OFF
OFF: Not active
1…5 min: Active with selected
duration
P51 Flow temp limit floor heating OFF OFF, 10...50 °C
P52 Fan control 1
0 = Disabled
1 = Enabled
2 = Heating only
3 = Cooling only
P53 Fan speeds 2
1 = 1-speed
2 = 3-speed
P54* Fan overrun time 60 sec 0...360 sec
P55 Fan speed switching point high 100% 80...100%
P56 Fan speed switching point med 65% 30..75%
P57 Fan speed switching point low 10% 1...15%
P58 Fan start kick ON
ON: Enabled
OFF: Disabled
P59 Fan minimum on time 2 min 1...6 min
P60 Periodic fan kick Comfort 0 0…89 min, OFF(90)
P61 Periodic fan kick Eco OFF 0…359 min, OFF(360)