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TM 3050-RF

Operation and display 

General function

This energy-saving controller for radiators can be used to con-

trol room temperature on the basis of time. The actuator moves 

a valve, thereby allowing the amount of heat flowing to the heat-

ing appliance to be controlled. The controller is compatible with 

all  standard  heating  appliance  valves.  The  large  illuminated 

display ensures user-friendly operation. A wireless receiver al-

lows  the  device  to  receive  commands  from  taught-in  system 

components.

Installation can be achieved in 3 easy steps.

Step 1: Inserting (replacing) the batteries

Remove the battery compartment cover.

• 

Insert 2 new LR6 batteries (Mignon/

• 

AA) into the battery compartment, en-

suring they are the right way round.

Reattach  the  battery  compartment 

• 

cover and click into place.

New alkaline batteries have a life of 

approximately  two  years.  A  battery 

symbol (

) will indicate when the batteries need to be re-

placed. After removing the old batteries, please wait approxi-

mately 1 minute before inserting the new ones. This device does 

not support operation with rechargeable batteries.

Never recharge standard batteries. 

Doing so will present a risk of explosion.

Do not throw the batteries into a fire. 

Do not short-circuit batteries.

Used batteries should not be disposed of with 

regular domestic waste. Instead, they should 

be taken to your local battery disposal point.

Step 3: Installing the energy-saving controller

The  actuator  can  be  installed  on  all  standard  heating 

valves.  There  is  no  need  to  drain  away  water  or  fiddle 

around with the heating system before doing this. First, 

you need to remove the old thermostat dial:

Turn the thermostat dial anti- 

• 

clockwise as far as it will go (A).

Release the thermal ring of the 

• 

thermostat (B).

Remove  the  thermostat  from 

• 

the valve (C).

An adapter will need to be used in 

the case of certain valves. Adapters 

for Danfoss valves (RA, RAV, RAVL) are included in the scope of 

delivery. For details, please refer to 

the adapter overview (see 21).

The adapter must be placed on 

• 

the valve and turned until it is se-

curely seated.

In the case of the RAV adapter, 

• 

the extension supplied must be 

attached to the valve tappet.

The RA and RAV adapters must, 

• 

in addition, be secured by means 

of the bolt and nut supplied.

The  energy-saving  controller  can 

only  be  installed  if  “InS”  is  showing  on  the  display.  Follow-

ing installation, the actuator will perform an adjustment run so 

that it can adapt to the valve. During this process, “AdA” will 

be displayed.

Place the actuator on the valve.

• 

Tighten the union nut.

• 

“InS” will appear on the display, press the OK button.

• 

The actuator will perform an adjustment run (“AdA” will appear 

• 

on the display, operation not possible).

After  that,  the  actuator  will  be  ready  for  operation  (Auto 

• 

mode).

If the adjustment run was initiated prior to installation, or if 

an error message will be displayed (F1, F2, F3); press OK 

to move the motor back to the “InS” position.

1. Setting the weekly program

The weekly program allows you to set up to 3 separate 

heating  periods  (7  switching  times)  for  each  day  of  the 

week.  Programming  is  performed  in  relation  to  the  se-

lected days, for which temperatures must be stored for a 

period from 00:00 to 23:59.

Press and hold down the menu but-

• 

ton for more than 3 seconds. 

“Pro” will appear on the display.

• 

Confirm with OK.

• 

“dAy” will appear on the display. The 

• 

setting wheel can be used to select 

an  individual  day  of  the  week,  all 

working days, the weekend or the entire week (example 

shows working days selected).

Confirm with OK.

• 

Use the setting wheel to set the first time segment (ex-

• 

ample shows 0:00 to 6:00).

Confirm with OK.

• 

Then, select the required temperature for the selected 

• 

time segment (example shows 17.0°C).

Confirm with OK.

• 

Keep repeating this process until you have finished storing 

• 

temperatures for the period from 0:00 to 23:59.

In Auto mode, the temperature can be modified at any time 

via the setting wheel. The modified temperature will then 

be retained until the next program changeover.

2. Weekly program: Examples

The energy-saving controller allows you to store up to 3 

heating periods (7 switching times) with individual temper-

ature settings for each day of the week. The factory set-

ting consists of two heating phases (from 6:00 until 9:00 

and from 17:00 until 23:00 respectively) for every single 

day of the week:

From  00:00  to  06:00  17.0°C

From  06:00  to  09:00  21.0°C

From  09:00  to  17:00  17.0°C

From  17:00  to  23:00  21.0°C

From  23:00  to  23:59  17.0°C

To represent the switching periods, the display shows 

bars for every other switching interval. In this exam-

ple, no bars are shown for the interval from 0:00 to 

6:00. Bars are only shown on the display for the in-

tervals from 6:00 to 9:00 and from 17:00 to 23:00. 

If a room also needs to be heated at around noon, the cor-

responding program might look like this:

Monday to Sunday

From  00:00  to  06:00  16.0°C

From  06:00  to  09:00  22.0°C

From  09:00  to  12:00  17.0°C

From  12:00  to  14:00  20.0°C

From  14:00  to  17:30  17.0°C

From  17:30  to  23:30  21.0°C

From  23:30  to  23:59  16.0°C
If you have a home office and only want it to be heated 

during the day on working days, you can program the fol-

lowing times:

Monday to Friday

From  00:00  to  08:30 

17.0°C

From  08:30  to  17:00 

21.0°C

From  17:00  to  23:59 

17.0°C

Saturday and Sunday

From  00:00  to  23:59 

15.0°C

3. Operating modes

To switch between the 3 operating modes described be-

low, press the menu button briefly (these operating modes 

can only be selected following installation/Step 3):

Holiday function

• 

 (   )

Set a temperature that is to be 

maintained until a fixed point in time.

Manu: 

• 

Manual operation – The temperature is set manu-

ally using the setting wheel.

Auto: 

• 

Weekly  program  –  The  temperature  is  control-

led automatically in accordance with the stored weekly 

program.

4. Configuration menu

The configuration menu can be used to modify settings. To 

access this menu, press and hold down the menu button 

(for more than 3 seconds). 

Pro: For setting the weekly program (see Section “1 Set-

• 

ting the weekly program”)

dAt: For modifying the time of day and date

• 

POS: For querying the actuator’s current position

• 

dSt: Automatic switchover at the start or end of daylight 

• 

saving time can be deactivated.

AEr:  For  setting  the  “window  open”  temperature  and 

• 

time so that the temperature is automatically reduced 

in the event of ventilation

tOF: For setting the offset temperature

• 

rES: For restoring the factory settings

• 

Please read this manual carefully in order to help you put the 

device into operation. Keep the manual handy so you can refer 

to it at a later date!

A  Thermal ring

B  Day of the week

C  Holiday function (   ), set-back/comfort temperature 

 ), manual operation 

(Manu)

, automatic operation 

(Auto)

, “window open“ symbol  (   ), “battery empty“ 

symbol ( 

 )

D  Menu button: Press and hold down the button for more 

than 3 seconds to open the configuration menu

E  Setting wheel: For making adjustments (e.g. tempe-

rature)

Time and date indicator, menu items, functions

G  Current temperature setting

H  Switching periods set within weekly program

OK button: For confirming/saving, teaching in

-button: For switching between set-back and com-

fort temperatures

5

2

6

3

7

4

8

Step 2: Setting the date and time of day

The firmware version number will be displayed briefly once you 

have inserted/replaced the batteries and then you will be auto-

matically prompted to set the date and time of day.

Use the setting wheel (C)  

• 

to set the year (B).

Confirm with OK (D).

• 

Use the setting wheel (C)  

• 

to set the month (B).

Confirm with OK (D).

• 

Use the setting wheel (C)  

• 

to set the day (B).

Confirm with OK (D).

• 

Use the setting wheel (C)  

• 

to set the hour (A).

Confirm with OK (D).

• 

Use the setting wheel (C)  

• 

to set the minute (A).

Confirm with OK (D).

• 

The motor will start moving back the 

control pin while the entries are still being made.

If “InS” is displayed with a rotating “∏” symbol, this indi-

• 

cates that the motor is still moving back. Once the device 

is ready for the actuator to be installed on the valve, just 

“InS” will appear on the display.

The weekly program and other settings can be cus-

• 

tomised prior to installation.

 To do this, press the menu 

button when “InS” is shown on the display. For further 

details, please see “4. Configuration menu”. 

Once programming is complete, “InS” will reappear 

• 

on the display and installation (Step 3) can commence.

When “InS” is visible on the display, you can activa-

te the teach-in function prior to installation by pres-

sing the 

 button briefly.

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