Siemens RDF210 Bedienungsanleitung

3058

RDF210, RDF210.2, RDF210/IR, RDF210.2/IR

Room Temperature

Controllers with LCD

with 7-day time program RDF210…

for 2-pipe fan coil units

for use with compressors in DX type equipment

Output for on / off valve actuator or 1-stage compressor

Operating modes: Normal operation, Auto Timer (energy saving) and Standby

3-speed fan control: Automatic or manual

8 programmable timers

Adjustable commissioning and control parameters

Optional display of room temperature or setpoint

Minimum and maximum setpoint limitation

Operating voltage AC 230 V

Additional features of RDF210

Automatic heating / cooling changeover

Input for heating / cooling changeover or return air temperature sensor

Additional features of RDF210.2

Manual heating / cooling changeover

Optional

Infrared remote control (RDF210/IR, RDF210.2/IR)

N3058en

10.01.2006

Building Technologies

HVAC Products

Use

For controlling the room temperature in individual rooms and zones that are

•heated or cooled with 2-pipe fan coil units

•cooled with a single compressor in DX type equipment

The controller controls

•a 3-speed fan

•either a valve actuator in a 2-pipe system, or

•a 1-stage compressor in DX type equipment

Suitable for use in systems with

•automatic heating / cooling changeover (RDF210)

•continuous heating or cooling mode (RDF210)

•manual heating / cooling changeover (RDF2110.2)

Functions

•Changeover between heating and cooling mode is either automatic by a QAH11.1

changeover cable temperature sensor or manually

•Maintenance of room temperature either with integrated temperature sensor or ex-

ternal room / return air temperature sensor (only with RDF210)

•Selection of operating mode with the operating mode button

AUTO or on the

controller

•8 programmable timers for changing over between Normal operation and Energy

Saving mode

•3-speed fan control (automatic or manual)

•Output for 2-position (on / off) valve actuator or 1-stage compressor

•Optional with infrared remote control (only with RDF210…/IR)

Controller

Temperature control The controller acquires the room temperature via its built-in sensor and maintains the

setpoint by delivering 2-position valve control commands or compressor output com-

mands. With the RDF210, an external room temperature sensor (QAA32) or external

return air temperature sensor (QAH11.1) can be used instead.

The switching differential is 2 K in heating mode and 1 K in cooling mode (adjustable

via parameters P08 and P09).

Display The display shows the acquired room / return air temperature or the setpoint of the

current operating mode. This can be selected via parameter P18. Factory setting is

display of the current room temperature.

The heating and cooling symbols on the display show the status of the fan coil.

This means that the symbols are also shown while the controller operates in the neutral

zone.

If required, room temperature and setpoint can also be displayed in °F in place of °C by

changing parameter P17.

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Operating modes

The following operating modes are available:

Normal operation In Normal operation, the controller maintains the setpoint, which can be adjusted via

the buttons. The fan can be set to automatic or manual fan speed: Low, medium

or high.

The setpoint setting range can be limited to a minimum (P05) and maximum (P06). This

helps prevent the waste of energy, thus saving costs.

Tip!

In Auto Timer mode AUTO, the controller will automatically change over between Normal

operation and Energy Saving mode according to the 8 preprogrammed timers. The

display shows the Auto Timer mode symbol AUTO and the symbol of the operating mode

currently maintained, either Normal operation or Energy Saving mode .

The setpoints of Energy Saving mode can be adjusted via control parameters

P01 and P02.

The default fan speed in Auto Timer mode is automatic fan.

Auto Timer mode

Energy Saving mode

Standby When the controller is in Standby mode , the relevant setpoints of heating or cooling

are maintained. These setpoints can be adjusted via control parameters P03 and P04.

Factory setting of both setpoints is OFF, which means that the controller is not acti-

vated when in Standby mode.

To avoid damage due to moisture in very warm and humid climatic zones resulting from

lack of air circulation in Energy Saving mode, the fan can be kept running all the time

(e.g. in apartments or shops during unoccupied periods), when setting parameter P20

“ON in dead zone”. In this case, the fan keeps running at minimum fan speed 1.

Avoiding damage

due to moisture

Control sequences

Used in conjunction with a valve, either for heating / cooling with changeover, heating

only or cooling only.

Water-based fan coil

application

Used in conjunction with a 1-stage compressor for cooling only or heating only.

Compressor based

application

Heating mode Cooling mode

½ SDH

3058D01

T[°C]

½ SDC

3058D02

T[°C]

T[°C] Room temperature SDH Switching differential “Heating”

W Room temperature setpoint SDC Switching differential “Cooling”

Y11 Control output “Valve” or “Compressor”

The valve or compressor receives the OPEN command via control output Y11 when

1. the acquired room temperature lies by half the switching differential below the set-

point (heating mode) or above the setpoint (cooling mode), and

2. control output Y11 was not energized for more than the “Minimum output off time”

(factory setting 1 minute, adjustable via parameter P16)

The valve or compressor receives the CLOSE command via control output Y11 when

OFF

1. the acquired room temperature lies by half the switching differential above the set-

point (heating mode) or below the setpoint (cooling mode), and

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2. control output Y11 was energized for more than the “Minimum output on time”;

(factory setting 1 minute, adjustable by parameter P15)

Note: Control output Y12 delivers a control command which is inverted to the control

command at output Y11 and which can be used for normally open valves.

Heating / cooling

mode With the RDF210, the changeover between cooling and heating takes place either

automatically via a heating / cooling changeover sensor or a remote changeover

switch. If the controller was set to ”Cooling only” or ”Heating only”,changeover will not

be possible (parameter P22, factory setting ”Cooling only”).

With the RDF210.2, when pressing the heating / cooling changeover button , the

controller will change from heating to cooling, or vice versa.

Minimum output

on time / off time Y11 The minimum output on time and off time of Y11 can be adjusted from 1…10 minutes

via parameters P15 and P16. Factory setting is 1 minute. In this case, any readjustment

of the setpoint or of heating / cooling mode changeover will be used immediately for

computing the output status and output Y11 may not hold the minimum on / off time of

1 minute.

If parameter P15 or P16 is set to a level above 1 minute, the minimum on / off time of

Y11 will be maintained as set, even if the setpoint or changeover mode has been read-

justed.

Fan operation

The fan operates either in automatic mode or at the selected speed when using manual

mode. In automatic mode, the fan speed depends on the setpoint and the current room

temperature. When the room temperature reaches the setpoint, the control valve will

close and the fan switch off: Temperature-dependent fan control (see diagram below).

The individual switching differentials of the fan speeds can be adjusted via control pa-

rameters P08 – P13.

Heating mode Cooling mode

SDH

SDHSDH2SDH3

Valve

Fan

SDC

SDC3SDC2SDC

Valve

Fan

Y11Y11

Temp

3058D03

If desired, fan control can be set to ”Temperature-independent”, which means that ven-

tilation is always on, even within the dead zone, using at least fan speed 1. This can be

selected individually for Normal operation using parameter P21 and for Energy Saving

mode using parameter P20 (also refer to “Avoiding damage due to moisture”).

Ventilation

always on

In automatic mode, a dwelling time of 2 minutes (factory setting) is active. The fan

maintains that speed for at least 2 minutes before it switches to the next speed. This

dwelling time can be adjusted from 1…5 minutes using parameter P14.

Dwelling time

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Fan start Whenever the fan starts from standstill, it starts with speed 3 for 1 second in order to

guarantee a safe fan motor start (to overcome inertia and friction)

Fan in Auto Timer

mode In Auto Timer mode, the default fan mode is automatic. The fan mode can be changed

to manual fan speed. With each changeover from Normal operation to Energy Saving

mode, or vice versa, the fan will return to default mode automatic.

Auto Timer

The controller provides an Auto Timer mode with 8 programmable timers. In this mode,

the controller will automatically change over between Normal operation and Energy

Saving mode according to the preprogrammed timers.

Auto Timer during Normal operation Auto Timer during Energy Saving mode

AUTO

Setting the timers Each timer has a Normal operation start time and a Normal operation end time which

can be applied to several weekdays.

To adjust the time schedule, keep the button depressed for 3 seconds to go to

the programmable timer setting mode.

This mode is indicated by displaying Ax (x= auto timer 1...8) and the time xx:xx flash-

ing.

For each auto timer, proceed as follows:

1. The and symbols are displayed. Press or to adjust the Normal opera-

tion start time and confirm by pressing .

2. The and symbols are displayed. Press or to adjust the Normal operation

end time or Energy Saving start time respectively and confirm by pressing .

3. Symbol

1will flash. Press or to select or deselect each day and advance to

the next day. Confirm setting for actual timer by pressing and advance to t

next timer.

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The controller will leave the programmable timer setting mode if no button is pressed

within 20 seconds. All changes made after the last press of button will not be

saved.

Press the button to sequentially review the 8 timers.

View the timers

Default timer setting Timers A1…A4 have the following default setting:

Day/s Time when controller is in Normal operation

Mo (1) – Fr (5) 06:30 – 08:30 (A1) 17:30 – 22:30 (A2)

Sa (6) 08:00 – 23:00 (A3)

Su (7) 08:00 – 22:30 (A4)

- During the remaining time, controller is in Energy Saving mode

- Timers A5…A8 are free, no default setting

The setting of these timers can be changed to suit individual needs. The default setting

can be reloaded any time:

Reload default timer

setting

1. Set the controller to Standby .

2. Press and simultaneously for 3 seconds. Release them and, within 2 seconds,

press 2 times .

Then, the display will show “8888“ during the reloading process.

In case 2, or when several timer sequences overlap, the resulting output is the OR

combination of the normal operating mode time of all timers.

Overlapping of timer

sequences

A1=09:00-22:00

A2=12:00-20:00

09:00 12:00 20:00 22:00

3058D04

Resulting output = 09:00-

22:00

The 7day-time clock supports the 12-hour and 24-hour format. The format is chosen

during setting of the time clock as follows:

7day-time clock

1. Keep the button depressed until the time digits start to flash and then press or

to set the time of day. If the current time is the 24-hour format and you wish to

change to the 12-hour format, press passing 23:59 or press passing 00:00.

Vice versa back to the 24-hour format.

Setting the time clock

2. Confirm the time of day by pressing and the weekday indicator starts to flash.

3. Press or to set the current weekday.

4. Confirm the current weekday by pressing .

Power failure In case of a power failure, the clock will stop, but its last running time will be stored.

This time information will be reloaded and start running after a power up. The clock will

flash to indicate that there was a power failure until the time will be confirmed by press-

ing or readjusted by folowing the above procedure.

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External sensor input B1-M

With the RDF210, a return air / external room temperature sensor or heating / cooling

changeover sensor can be connected to terminal B1-M. The function of this sensor

input is determined by parameter P22.

Sensor input B1-M is not galvanically separated from the AC 230 V mains supply.

Therefore, only a cable temperature sensor and wiring with sufficient insulation must be

used.

When P22 is set to “Automatic H/C changeover”, the sensor input acts to ensure auto-

matic heating / cooling changeover. The water temperature acquired by the changeover

sensor (QAH11.1 + ARG86.3) is used to switch from heating to cooling mode, or vice

versa. When the water temperature lies above 28 °C (parameter P24), the controller

switches to heating mode; below 16 °C (parameter P23), it switches to cooling mode. If,

immediately after switching on, the water temperature lies between the 2 changeover

points, the controller will start in heating mode. The water temperature is acquired at

30-second intervals and the operating state is updated.

Automatic heating /

cooling changeover

Automatic H/C changeover

[°C]

3021D03

16 28

M Operating mode CM Cooling mode

TwWater temperature HM Heating mode

Remote heating /

cooling changeover The QAH11.1 cable temperature sensor for automatic heating / cooling changeover can

be replaced by an external switch (suited for mains voltage) for manual remote change-

over:

3058Z03

MTB1

QAH11.1

T °C

Contact open Æheating mode

Contact closed Æcooling mode

With parameter P99 (diagnostic value), automatic heating / cooling changeover can be

checked.

External room or

return air temperature

sensor

When parameter P22 is set to “Cooling only” or “Heating only”, sensor input B1-M can

be used to connect an external room temperature (QAA32) or a return air temperature

sensor (QAH11.1). Changeover is automatic if a sensor is detected at the sensor input.

With parameter P98 (diagnostic value), the sensor status can be checked.

Summary

B1-M and P22

The following table summarizes the relation between parameter P22, external sensor

B1-M and variables which the controller uses for maintaining the temperature:

Parameter

P22 Variables:

The controller…. No sensor at

B1-M QAH11.1/QAA32 at

B1-M

is in H/C mode Heating Heating

Heating only controls according Internal sensor Sensor at B1

is in H/C mode Cooling Cooling

Cooling only controls according to Internal sensor Sensor at B1

is in H/C mode Heating depending on the tempera-

ture from sensor B1-M

Automatic

H/C change-

over controls according to Internal sensor Internal sensor

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Error handling

When the room temperature is out of the measuring range, which means above 49 °C

or below 0 °°C, the display shows the limiting temperature in flashing figures, e.g. “0 °C”

or “49 °C”.

If the current setpoint is not OFF (see parameters 1-4) and the controller is in heating

mode, and the temperature is below 0 °C, output Y11 will be energized. In all other

cases, output Y11 will be deenergized. When the temperature returns to the measuring

range, the controller will resume Normal operation.

Temperature out

of range

In case of an external sensor failure (short-circuit or open-circuit), the controller will

immediately switch back to the internal sensor to ensure control.

External sensor

failure

Should both the external and internal sensor fail, the display will flash “Err” to call the

user‘s attention.

Infrared remote control

The RDF210/IR and RDF210.2/IR have an infrared receiver built in. Together with the

IRA210 infrared remote control, the following operations can be performed from a re-

mote location:

•Selection of operating mode: Standby, Normal operation or Auto Timer

•Adjustment of setpoint in Normal operation

•Selection of fan mode: Automatic or manual fan speed

Using parameter P25, infrared remote control can be disabled.

Control parameters

With the RDF210 and RDF210.2, a number of control parameters can be readjusted to

optimize the control performance. These parameters can also be set during operation

without opening the unit. In the event of a power failure, all control parameter settings

will be maintained.

Parameter settings The parameters can be changed as follows:

1. Set the controller to Standby .

2. Press buttons and simultaneously for 3 seconds. Release them and,

within 2 seconds, press button again for 3 seconds. Then, the display will

show “P01“.

3. Select the required parameter by repeatedly pressing buttons and :

P01 P02 P22 P98

+-+

3057z03

P99 -

-P25 +-

4. By pressing buttons and simultaneously, the current value of the selected

parameter appears, which can be changed by repeatedly pressing buttons

or .

5. By pressing buttons and simultaneously again or 5 seconds after the last

press of a button, the last parameter will be displayed again.

6. If you wish to display and change additional parameters, repeat steps 3

through 5.

7. 10 seconds after the last display or setting, all changes will be stored and the

controller returns to Standby.

Note: Parameters not used by the RDF210.2 are not available and cannot be displayed.

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Parameter reset The factory setting of the control parameters can be reloaded as follows:

1. Set the controller to Standby .

2. Press buttons and simultaneously for 3 seconds. Release them and,

within 2 seconds, press operating mode selector button 2 times.

Then, the display will show “888“ during the reloading process.

Control parameters of the RDF210 and RDF210.2

Para-

meter

Meaning Setting range Factory

setting

P01 Setpoint of heating in Energy Saving mode (WheatEco) OFF, 5 °C…WcoolEco 16 °C

P02 Setpoint of cooling in Energy Saving mode (WcoolEco) OFF, WheatEco…40 °C 28 °C

P03 Setpoint of heating in Standby (WheatStb) OFF, 5 °C…WcoolStb OFF

P04 Setpoint of cooling in Standby (WcoolStb) OFF, WheatStb …40 °C OFF

P05 Minimum setpoint limitation in Normal operation (WminComf) 5 °C…WmaxComf 5 °C

P06 Maximum setpoint limitation in Normal operation (WmaxComf) WminComf…40 °C 35 °C

P07 Sensor calibration -3…+3 K 0 K

P08 Switching differential heating mode SDH 0.5…+4K 2 K

P09 Switching differential cooling mode SDC 0.5…+4K 1 K

P10 Switching differential fan speed 2 in heating mode SDH2 0.5…+4K 1 K

P11 Switching differential fan speed 2 in cooling mode SDC2 0.5…+4K 1 K

P12 Switching differential fan speed 3 in heating mode SDH3 0.5…+4K 1 K

P13 Switching differential fan speed 3 in cooling mode SDC3 0.5…+4K 1 K

P14 Dwelling time of auto fan speeds 1…5 minutes 2 min

P15 Minimum output on time (Y11) 1…10 minutes 1 min

P16 Minimum output off time (Y11) 1…10 minutes 1 min

P17 Selection of °C or °F °C or °F °C

P18 Display of temperature or setpoint

OFF: Setpoint

ON: Room (or return air)

temperature

P20 Fan control in Energy Saving mode OFF in dead zone

ON in dead zone OFF

P21 Fan control in Normal operation OFF in dead zone

ON in dead zone OFF

P22 Heating / cooling mode

0: Heating only

1: Cooling only

2: Automatic H/C

changeover

1: Cooling

only1)

P23 Heating / cooling changeover switching point cooling 10…25 °C 16 °C1)

P24 Heating / cooling changeover switching point heating 27…40 °C 28 °C1)

P25 Infrared receiver (only with RDF.../IR) 0: Disabled

1: Enabled 1

P98 Active temperature sensor 0: Internal sensor

1: External sensor

Diagnostic

value

P99 Value of current heating / cooling changeover temperature

reading and indication of current mode

100 = input open Æmode

0…49 °C = cur. temp. value

00 = input bridged Æ

mode

OFF= not commissioned as

automatic H/C changeover

Diagnostic

value1)

1) Not available with RDF210.2

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Type summary

Type reference Features

RDF210 With input for automatic heating / cooling changeover or return air

temperature sensor

RDF210.2 With manual heating / cooling changeover

Without input for sensor

(only available in AP)

RDF210/IR Same as RDF210 plus infrared remote control

RDF210.2/IR Same as RDF210.2 plus infrared remote control

(only available in AP)

Equipment combinations

Type of unit Type reference Data Sheet

Infrared remote control IRA210 -

Cable temperature sensor QAH11.1 1840

Room sensor QAA32 1747

Changeover mounting kit ARG86.3 1840

Electromotoric on / off valve and actuator MVI…/MXI… 4867

Electromotoric on / off actuator SFA21... 4863

Thermal actuator (for radiator valve) STA21... 4893

Thermal actuator (for small valves 2.5 mm) STP21... 4878

Zone valve actuators

(only available in AP, UAE, SA and IN) SUA… 4830

Accessories

Description Type reference

Adapter plate 120 x 120 mm for 4“ x 4“ conduit boxes ARG70

Adapter plate 96 x 120 mm for 2“ x 4“ conduit boxes ARG70.1

Adapter plate for surface wiring 112 x 130 mm ARG70.2

Ordering

When ordering, please give name and type reference:

e.g. room temperature controller RDF210

The IRA210 infrared remote control is to be ordered as separate item

The QAH11.1 can be used as a return air temperature or heating / cooling changeover

sensor. In case it is used as a changeover sensor, the ARG86.3 changeover sensor

mounting kit is to be ordered as a separate item.

Valve actuators are to be ordered as separate items.

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Building Technologies Room Temperature Controllers N3058en

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