turn off zelflerend

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turn off zelflerend

Postby Demif » Wed Nov 29, 2017 5:14 pm

good evening

Has someone take a look in the thermostat section.
for a possibility to turn on or off self-learning.

i do not need the self learning and would prefer only on or off at the selected time.

gr.
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Re: turn off zelflerend

Postby Ierlandfan » Wed Nov 29, 2017 8:19 pm

Modulating CV = At say (Programmable by default) 6:00 o'clock it needs to be 21.5 degrees. So the CV start heating before so that it's 21.5 at 6:00

Non-modulating / Non-Opentherm mode. (On-Off in the settings screen, It's under Heating (Verwarming)
At say (Programmable by default) 6:00 o'clock the CV starts heating untill 21.5 is reached. Then turns off. So it's not 21.5 at 6:00 0'çlock but later.
Is that what you mean?
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Re: turn off zelflerend

Postby Demif » Thu Nov 30, 2017 5:06 pm

(At say (Programmable by default) 6:00 o'clock the CV starts heating untill 21.5 is reached. Then turns off. So it's not 21.5 at 6:00 0'çlock but later.
Is that what you mean?)


yes, heating starts at the programmed time and not 1 hour or less before ( Honeywell chronotherm4 does has that possibsibillity)
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Re: turn off zelflerend

Postby lsiepel » Fri Dec 01, 2017 11:05 pm

If i understand the question it has nothing to do with the way the boiler gets its commands (on/off or modulation)

Some people want the heating to start at say 9:00 (the time that the room meets the required temp is unknown) other people want the heating reach the required temp at 9:00 (with an unkown start time)

I really wouldn't know why anyone would want the first scenario?! But anyhow, i don't know of any settings/changed one could do to achieve this.
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Re: turn off zelflerend

Postby marcelr » Fri Dec 01, 2017 11:28 pm

The thermostat configuration has a parameter that sets maximum warm-up time. It's set to 180 minutes, IIRC. Possibly, you can set that to a much lower value to prevent toon from starting to heat early.
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Re: turn off zelflerend

Postby Demif » Sun Dec 03, 2017 10:40 am

isiepel; the themostat can also used for elektric floor heatin or a pellet stove, ect. then you do not need zelflerend and modulation.


marcelr: thanks this is the solution. i only need a max 15 min. can you tell me where the parameters are located. I looked at it but could not find it.

thank You
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Re: turn off zelflerend

Postby marcelr » Sun Dec 03, 2017 11:11 am

It's in the project file:

/HCBv2/config/hcb_project.xml
or
/qmf/etc/qmf_project.xml
depending on your firmware version.

look for

<maxPreheatTime>180</maxPreheatTime>

(it's in minutes, IIRC). I guess that you can just change this according to your needs, and restart.
Haven't tested it myself ...
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Re: turn off zelflerend

Postby Demif » Thu Dec 07, 2017 5:03 pm

successful, test it and works perfectly thanks
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Re: turn off zelflerend

Postby marcelr » Thu Dec 07, 2017 7:45 pm

you're welcome
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Re: turn off zelflerend

Postby Demif » Sun Nov 04, 2018 5:29 pm

after update: the qmf_project.xml isn't used anymore??? i can only find a backup file.
my preheat is set back to 180 min. again

has any one an idee where to find the maxpreheat again.

gr.
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Re: turn off zelflerend

Postby Toonz » Sun Nov 04, 2018 8:49 pm

Demif wrote:after update: the qmf_project.xml isn't used anymore??? i can only find a backup file.
my preheat is set back to 180 min. again

has any one an idee where to find the maxpreheat again.

gr.

you can find the setting here since a few releases: /HCBv2/etc/qmf_release.xml
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Re: turn off zelflerend

Postby Demif » Mon Nov 05, 2018 1:39 pm

found it,

thnx

gr.
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