Search found 5 matches

by MartasBrno
Tue Dec 27, 2022 12:19 am
Forum: Opentherm Gateway Forum
Topic: Extended Dallas 1-Wire for Hybride Heat pump monitoring
Replies: 1
Views: 2230

Extended Dallas 1-Wire for Hybride Heat pump monitoring

Would you guess, that next few temperature sensors will be useful i.e. for monitoring of refrigerant lines and heating water lines of hybride heat pump & boiler? As energy prices changed, i installed cheap air source heat pump next to the existing boiler. Pipes connected in parallel, using check...
by MartasBrno
Fri Jan 07, 2022 9:34 pm
Forum: Opentherm Gateway Forum
Topic: OTGW firmware 5.2
Replies: 6
Views: 3227

Re: OTGW firmware 5.2

Today i experienced two things.
OT Monitor crashed like "Fatal error in Wish- unable to locate 8028 Bytes" or so, and also i must restart the gateway earlier, as it does not respond to any commands. Any thoughts, what i can do? Thanks.
by MartasBrno
Tue Jan 04, 2022 6:43 pm
Forum: Opentherm Gateway Forum
Topic: Retrieve boilerstatus by OTGW, boiler controlled by on-off
Replies: 5
Views: 3314

Re: Retrieve boilerstatus by OTGW, boiler controlled by on-off

Jan, just to give you my experience: I have an older Baxi Prime 1.240-1 Boiler (Siemens LMU34)and QAA73 room control. As i had a few weird reasons, i had let the internal boiler control to run its own outdoor reset heating function enabled by its on-off thermostat input. it may be a thermostat, swit...
by MartasBrno
Tue Jan 04, 2022 12:00 pm
Forum: Opentherm Gateway Forum
Topic: OTGW firmware 5.2
Replies: 6
Views: 3227

Re: OTGW firmware 5.2

My apologize - after an update of OT monitor to latest version, it is already reporting correct value. So we do not need such patch as well as i am an windows user probably could not use it i think. There is second thing i would find useful, to add the ExhaustTemperature in top section of OT monitor...
by MartasBrno
Mon Jan 03, 2022 8:52 pm
Forum: Opentherm Gateway Forum
Topic: OTGW firmware 5.2
Replies: 6
Views: 3227

Re: OTGW firmware 5.2

Hello Schelte, first, thanks for maintaining your project over ten+ years - and wish you all the best in 2022! As i built and started using OTGW during Christmas days, i am very happy it is working well, but i found weird decoding of message #33 = Exhaust temperature. To be honest, it is a long time...

Go to advanced search