Find helpful customer reviews and review ratings for Honeywell Rondostat HR- 20 Radiator Thermostat Timer at Read honest and unbiased. ft3/hr m3/hr ft3/hr m3/hr ft3/hr m3/hr. VR 1/2 x 1/2. 10d. VR 20e . Control Engineering review; contact your Honeywell. ft3/hr m3/hr ft3/hr m3/hr. SV 10d. SV 1/2 x 1/2. 20e. . applications require Honeywell Home and Building Control.

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Would probably require some Addressing-Layer in your Programm. Most probaly is that SW not count one pulse add one false pulse when motor stop and run back later.


Have you an Link? I’m very interested in the Wireless branch – several years ago I was into hardware so I think I am able the build the radio into the device. Skip to main content. It uses a NEC 4-bit uController, which I was actually able to find a datasheet for, but this did not get me much further. Also had these for a few months before getting the E3 error.

OpenHR 20 Tutorial: Part 0 ‚Äď Introduction | piontec’s mumble

I am sure that you know this RFM feature but you forget write it in proposal. Greets from Munich, Mario PS: I never saw this problem, but I found it on code review. I don’t see RFM12 consumes more power.


When motor move sometimes during eye is off, sometimes we will see “Y” after x. You are right, motor measure too big noise for exact measure. I would be better.

Report item – opens in a new window or tab. From my point of view the type of the variable valve is changed too often and may force neagative effects. Can you update SW to rev ?

OpenHR Firmware for Honeywell Rondostat HR20E –

Amazon Business Service for business customers. You must download it from SVN. It hkneywell buggy and sometimes lost some request. Is there any chance that the controller misses pulses from the postion encoder? Email required Address never made public.

Generaly it have open-collector bus. Es muss ein anderer Quarz ins Board! Any volunteer for maintain it? But I have a newer version, which I can offer next week I will return on Monday evening home, so that hopefully till Thursday a new release can be provided. Will try it soon, wish i could code in.


uoneywell If you have not success with PK nit mean that one or more packets was lost and second side not change PK. Especially the interaction the various subroutines. Main question is WHY you losing pulses? Please enter a number less than or equal to See other items More I have 5x HR20 with my SW byt never see situation like this.


There are 10 items available. Strange, but as already said I will now first log the data before telling hkneywell much nonsense. It is more hr-20w. The item you’ve selected was not added to your cart. The information in this section is based on different sources found on the ‘Net. I know, that I decrease the precision of the measurement of the room temperature with this modification.

But it can be reason to many action on valve. Please contact me by email for access to SVN or send me patch set. It is cheap, offers a decent range honeysell fits into the original case of HR Image not available Photos not available for this variation.