Search found 3 matches

by kevinsmart
Fri Nov 15, 2024 6:16 pm
Forum: OpenTherm Setup & Help
Topic: Opentherm Rrom Temp Issue.
Replies: 1
Views: 81

Re: Opentherm Rrom Temp Issue.

The change you observed in Spring could have been after you were updated to the latest firmware. The boiler demand calculation appears to have changed. Mostly I see larger % demand than before, including 100% when there is 0% zone demand! But sometimes I see lower boiler demand and this can last ...
by kevinsmart
Thu Jan 23, 2020 10:07 pm
Forum: OpenTherm Setup & Help
Topic: Intergas anti cycle setting
Replies: 3
Views: 291

Intergas anti cycle setting

My HRE40SB boiler anti cycle parameter P is set to 10mins.

I’m wondering if that is the optimum setting for Evohome OpenTherm when at low load?
by kevinsmart
Sun Feb 17, 2019 6:00 pm
Forum: Honeywell Home evohome
Topic: Automatically heating hot water cylinder when temp is low
Replies: 5
Views: 373

Re: Automatically heating hot water cylinder when temp is lo

Evohome will automatically reheat the DHW if the temperature drops below a low threshold, similar to frost protection.

During the winter I’ve seen it kick-in, even when scheduled Off, heating from a displayed temperature of around 14C to 25C.