Originally posted by paulockenden
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Upgrade for Automated Members / Evohome - 25/3 > 28/3
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Got my new controller and all 11 HR92's bound back to the controller and reporting well. Except one thing....with the hot water control. I re-bound the temperature sensor CS92 and the BDR91 controlling the hot water demand and then the heating BDR91. On the controller it is picking up the temperature correctly and indeed following the hot water schedule, but I'm getting an error message 'COMMS FAULT HOT WATER SENSOR', with a recommendation to contact installer, hmmm. I've left it to run through a 24 hour cycle just in case, but still have the fault. Any suggestions? If it was a binding issue I wouldn't expect it to be reporting the tank temperature or to follow the schedule so is there another issue I should be looking for?
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Originally posted by AutoTrialer View PostGot my new controller and all 11 HR92's bound back to the controller and reporting well. Except one thing....with the hot water control. I re-bound the temperature sensor CS92 and the BDR91 controlling the hot water demand and then the heating BDR91. On the controller it is picking up the temperature correctly and indeed following the hot water schedule, but I'm getting an error message 'COMMS FAULT HOT WATER SENSOR', with a recommendation to contact installer, hmmm. I've left it to run through a 24 hour cycle just in case, but still have the fault. Any suggestions? If it was a binding issue I wouldn't expect it to be reporting the tank temperature or to follow the schedule so is there another issue I should be looking for?
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Got my upgrade thanks Richard
in my setup i have 9 zone rad valves and 1 zone normally set up foir the units own sensor or as i call it Hall as that rad doesn't have a valve
my old unbit was fine but this zone for hall even though set to own internal sensor it says unbond yet nothing to bind it too
any thoughts how i set it as just internal.
Mark
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I like some of the new text and layouts on the new controller software. It explains what it is doing a lot more and better than the previous software did.
However, I still find that it uses terminology in a manual setup vs. the guided setup that does not correspond to the system layout your are using. For instance, when doing Hot Water setup it has 2 configurations for the BDR91 to control it. Now, you'd think they would say 'S-Plan', or '2 port valve' at least in the Help text to give you some chance of working out which of the 2 very similar sounding buttons you should be pushing next.....
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Richard,
thanks for the quick reply. I actually haven't changed the position of the CS92 or BDR91, just trying to re-bind them. The CS92 is on a different wall to the BDR91s. To bind the CS92 I am temporarily removing the batteries before putting into binding mode and the binding is reporting as successful, for the CS92 and the subsequent CDR91s. Hence my head scratching.Attached Files
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Originally posted by AutoTrialer View PostRichard,
thanks for the quick reply. I actually haven't changed the position of the CS92 or BDR91, just trying to re-bind them. The CS92 is on a different wall to the BDR91s. To bind the CS92 I am temporarily removing the batteries before putting into binding mode and the binding is reporting as successful, for the CS92 and the subsequent CDR91s. Hence my head scratching.
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Originally posted by markroseuk View PostGot my upgrade thanks Richard
in my setup i have 9 zone rad valves and 1 zone normally set up foir the units own sensor or as i call it Hall as that rad doesn't have a valve
my old unbit was fine but this zone for hall even though set to own internal sensor it says unbond yet nothing to bind it too
any thoughts how i set it as just internal.
Mark
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Originally posted by markroseuk View PostSo is it best not put the hall as a zone now? using internal sensor i though this was the default one.
correct the hall does not have a HR92 just being used as a standard stat
If you have an automatic bypass valve you can change the radiator valve on one side of the radiator from a lockshield to a proper TRV valve and fit an HR92 - that's what I did. Or just leave that radiator uncontrolled, but that is obviously suboptimal from an energy savings point of view! I despise the concept of an always on bypass radiator so was glad to be rid of it so I can schedule individual rooms without the hall radiator always running when the boiler is on...Last edited by DBMandrake; 31 March 2016, 01:21 PM.
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Originally posted by paulockenden View PostMaybe I'm alone in fining all this "it just works if you do this" very dissatisfying, from a nerd/engineer point of view.
There's no reason for a (well designed) RF handshake to take 5 minutes. There's no reason for (well designed) RF comms to need devices to be 2m apart. I have all manner of other (non-Evohome) sensor/actuator kit in my house, and haven't seen instructions like these anywhere else.
There seems to be a lot of black magic with Evohome, and for me that's one of the most frustrating things about the system.
Is it just me?
(Don't get me wrong though, I love Evohome, and recommend it all the time - I just wish things were clearer - I'm like a small kid asking "Why?" all the time)
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Originally posted by roydonaldson View PostRichard, would you by any chance be able to do a video of making a zone with a HR80 ? I've got a number of these in my system (in spare rooms) and they are proving to be remarkably tedious to Unbind and then rebind to the new controller ?
Roy.
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Originally posted by roydonaldson View PostWell, if you look out my window you'll find three that have just been thrown out there :-)
Starting to get there with them, but they are a right pain to bind.
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