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16

User – Questions

My heating does not get warm enough. What 
can I do?

You have two options.
First increase the desired room temperature Day, see page 6 
(Set the desired temperature).
Wait for a few hours to give the heating system time to respond to 
the new setting. 
Should the room(s) still not get warm enough, you can increase the 
heat slope for the direct heatcircuit or the mixing valve circuit, see 
page 14 (P01 Heat slope).
Should this measure not be sufficient, see page 21 (Troubleshoot-
ing) and contact your heating engineer
.

How do I set the heating system for holidays?

If you want to go away for a number of days, you can set the heating 
controller to the operating mode “  Holiday setting”. The heating 
system will revert to automatic mode at the end of the holiday so 
that it will be warm when you come home, see page 7 (Set 
operating mode).

How can I switch the heating system off during 
the summer?

In summer you should set the heating controller to the operating mode 
“Summer mode”. This mode deactivates heating and the system is 
only used for hot water, see page 7 (Set operating mode).

Is it possible to let the heating system run longer 
in the evening for special occasions such as a 
party?

For this purpose, set the operating mode to  /Eco, see page 11 
(Heating time setting/Change duration).

How do I set the heating controller to save 
energy?

Set the desired room temperature only as high as absolutely neces-
sary. The energy consumption is increased by around 6% for every 
degree, see page 6 (Set the desired temperature).
Set your heating program so that it switches the heating off at night 
or at times when no-one is home.
Only open you windows briefly to let in fresh air. Avoid tilted windows 
over longer periods.

My heating system is not running

Check the selector switch position. The selector switch must be 
set to 

.

Check the operating mode. The display must indicate   for Auto-
matic mode 1, or  2 for Automatic mode 2, see page 7 (Set 
operating mode).

Summary of Contents for Lago FB OT

Page 1: ...echnician Electrical interventions may only be carried out by a qualified electrician The heating system must be disconnected from the power supply before any electrical work is carried out on the uni...

Page 2: ...om sensor correction 15 P04 Hot water according to program 15 User Questions 15 How do I switch to summer winter time 15 How do I set the heating controller so that it gets warm sooner in the morning...

Page 3: ...62 00 20 Expert Checklist for commissioning 20 Accessories 21 Outside sensor AF 21 Sensor values 21 Troubleshooting 21 Technical data 22 Glossary 23 Flow temperature 23 Desired and actual temperature...

Page 4: ...he Open Therm Smart Power function the display of the Lago FB OT remote control is illuminated during operation The function is only guaranteed within the specified limits see page 22 Technical data A...

Page 5: ...diness OFF Heating and hot water preparation OFF frost protection operation only 1 Automatic mode 1 Heating according to heating program 1 hot water according to parameter 04 2 Automatic mode 2 Heatin...

Page 6: ...hase desired night time temperature The desired temperature for the hot water can be adjusted The desired hot water temperature can only be set if the system has a storage tank Factory setting Desired...

Page 7: ...tion after a few seconds without action Set operating mode The operating mode determines how the heating controller works Whether the heating system is to be controlled automatically or man ually duri...

Page 8: ...Set heating program 1 Heating program 1 is assigned to automatic mode 1 It is used to define the heating times for the working week Mon Fri and the weekend Sat Sun You can set three heating times per...

Page 9: ...order to apply it set the operating mode to 1 Automatic mode 1 see page 7 Set operating mode Example Display of the heating times for heating program 1 Heating takes place from Monday to Friday betwe...

Page 10: ...rn the selector switch back to The heating program 2 has been set In order to apply it set the operating mode to 2 Automatic mode 2 see page 7 Set operating mode Holiday setting holiday duration In ho...

Page 11: ...layed and flashes 3 Use the rotary knob to set number of days holiday to 0 4 Press the OK button to confirm 5 Finally turn the selector switch back to The last operating mode selected is displayed Hea...

Page 12: ...Press the OK button to confirm Reduction starts straight away 5 Finally turn the selector switch back to Early ending of heating time 1 Turn selector switch to Eco 2 Press the OK button The run time r...

Page 13: ...Press the OK button to confirm 6 After you have made the setting continue with step 2 if you want to change further parameters or turn the selector switch back to The table List of parameters P01 to...

Page 14: ...d Increase the heat slope if the desired room temperature is not reached in combination with low outside temperatures If the desired room temperature is not reached in combination with high outside te...

Page 15: ...on is not switched on In Summer mode parameter 04 must be set to 1 2 or 4 P04 4 24 hours hot water Example P04 3 If Automatic mode 1 was selected as the operating mode the heating controller will alwa...

Page 16: ...em off during the summer In summer you should set the heating controller to the operating mode Summer mode This mode deactivates heating and the system is only used for hot water see page 7 Set operat...

Page 17: ...ce or main living space of the heatcircuit on an internal wall in the living room Not in the vicinity of radiators or other devices that give off heat Anywhere if room sensor influence is switched off...

Page 18: ...r users see page 13 User Set parameters WARNING Incorrect settings can cause malfunctions and damage the heating installation Only a qualified technician may change the parameters from no 06 A CODE NO...

Page 19: ...ntered for adjustment of the Expert parameters The default setting for the heating controller is 0000 P06 Code no change Here you can specify your own code no Remember this code well The parameters 06...

Page 20: ...The values are only accepted by the heat source if they are within this range P12 Transparent Slave Parameter 02 Setting for internal parameter 02 for heat source P12 255 255 The values are only accep...

Page 21: ...s indicated in the display Example E 81 You can find the error numbers in the heat source instructions The display shows an error no between E001 and E255 Boiler error If there is an arrow in the disp...

Page 22: ...P04 01 or 02 Should the actions described above fail to help please contact your heating engineer Please have ready the software version parameter P13 Technical data Voltage supply via BUS 15 18 V DC...

Page 23: ...own too much while saving energy Heat source Heat source is generally the designation for the heating boiler It may also be a buffer storage tank however Heating time In the heating programs you can d...

Page 24: ...ur local branch office agent The addresses are available on the Internet or from El ster GmbH We reserve the right to make technical modifications in the interests of progress Contact Contact Heating...

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