Siemens RDF301 Basic Documentation page 34

External temp.
Parameter
sensor
P51
available
OFF No
OFF Yes
10...50 ˚C No / Faulty
10...50 ˚C Yes
: once the fault is cleared, i.e. plug back / change to a working EXT Sensor, the thermostat should start to : once the fault is cleared, i.e. plug back / change to a working EXT Sensor, the thermostat should start to : once the fault is cleared, i.e. plug back / change to a working EXT Sensor, the thermostat should start to
Note
work again in 1-2 minutes
Application Output Y11
2-pipe H/C valve
2-pipe & el H/C valve
heater
4-pipe Heating valve
*) If P13 = ON ⇓ electric heater in cooling
Note:
Dew point monitoring
Fault state
Fault information
Button lock
34 / 94
Siemens
Building Technologies
The table below shows the relation below shows the relation among parameter, temperature source and
temperature display: temperature display:
Source for display Source for display
of room of room
temperature temperature
Built-in sensor in sensor
External temp. External temp.
sensor sensor
Built-in sensor in sensor
Built-in sensor in sensor
The "Floor loor temperature limitation" function influences the outputs listed in the table
below:
"Floor temp. limit" function has impact on
output
Heating
Output Y21 Output Y21 (P01 = 0/2/3)
Y11
El heater El heater Y21
Cooling valve Cooling valve Y11
heater in cooling mode
Either floor temperature sensor or external room temperature sensor can be used. Either floor temperature sensor or external room temperature sensor can be Either floor temperature sensor or external room temperature sensor can be
Dew point monitoring is essential to prevent condensation on the chilled ceiling point monitoring is essential to prevent condensation on the chilled ceiling point monitoring is essential to prevent condensation on the chilled ceiling
(cooling with fan disabled, parameter P52). It helps avoid associated damage to (cooling with fan disabled
the building. the building.
A dew point sensor with a point sensor with a potential-free contact is connected to multifunctional
input X1 or or X2. If there is condensation, the cooling valve is fully closed until no X2. If there is condensation, the cooling valve is fully closed until no
more condensation is detected, and the cooling output is disabled temporarily. more condensation is detected, and the cooling output is disabled temporarily. more condensation is detected, and the cooling output is disabled temporarily.
The condensation symbol " The condensation symbol
"Condensation in room Condensation in room" will be sent via bus.
The input must be commissioned accordingly nput must be commissioned accordingly (P38, P40).
See section 3.9. See section
If the "Button utton lock" function is enabled by parameter P14, the function is enabled by parameter P14, the buttons will be locked
or unlocked by pressing the operating mode button for 3 sec or unlocked by
If "Auto lock Auto lock" is configured, the thermostat will automatically lock the
20 seconds onds after the last adjustment (RDF301... / RDF600KN
RDF301, RDF301.50..., RDF600KN, RDF600KN/S RDF301, RDF301.50..., RDF600KN
parameter, temperature source and
Floor temp. Floor temp.
Output control
limit
according to
function
Built-in sensor Not active
External temp. Not active
sensor
Heating output Not active
will be turned
OFF
Built-in sensor +
limit by external Active
sensor
function influences the outputs listed in the table
Cooling Heat. and cool. Heat. and cool.
(P01 = 1/2/3) (P01 = 4)
N/A
Y21 *)
N/A
). It helps avoid associated damage to
" is displayed during temporary override is displayed during temporary override and the fault
will automatically lock the buttons 10 /
Basic Documentation ocumentation
Error Handling
--
--
Display " Er3 " and
heating output will
be turned OFF
--
Remark
Only el heater
Y11
ted to multifunctional
seconds.
RDF600KN...).
CE1P3171en
2017-12-07