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by chasman
Sat Dec 02, 2023 8:40 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Nest 3rd Gen Radiators Only
Replies: 1
Views: 637

Nest 3rd Gen Radiators Only

I'm installing a Nest Gen 3 as a room thermostat on a boiler only system (no AC). I'm not planning to use the Heat Link as our Hot Water only comes on twice a day via the timer by the boiler, and works fine. So this is controlling only radiators. The old stat (a Floureon HY03) has 4 numbered termina...
by chasman
Fri Apr 13, 2018 5:57 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Danfoss Floureon Thermostat
Replies: 1
Views: 2452

Danfoss Floureon Thermostat

The diagram is for our new Floureon stat.

The photo is for our old Danfoss.

The Yellow/Green and Blue are capped.

How do we connect the Red and Yellow wires to run our gas fired radiator system?
by chasman
Mon Aug 18, 2014 2:07 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Can Open Central Heating Systems Ever Stay Sludge Free?
Replies: 5
Views: 2653

Re: Can Open Central Heating Systems Ever Stay Sludge Free?

Thanks, I understand now. I suspect the plastic pipes are the root cause. As there's no way we can empty the house and tear up all the carpets and floors I'll have to compromise by flushing the sludge with a system cleaner, fitting a combined magnetite and particulate filter and regularly adding a r...
by chasman
Mon Aug 11, 2014 1:45 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Can Open Central Heating Systems Ever Stay Sludge Free?
Replies: 5
Views: 2653

Re: Can Open Central Heating Systems Ever Stay Sludge Free?

⋅ What are the pros of open? ⋅ What are the cons of closed? It's a two story barn conversion with rads upstairs and down. We have a hot water tank upstairs with no complementary immersion heater All upstairs rads now have thermostats which were fitted at the same time as the boi...
by chasman
Sat Aug 09, 2014 11:03 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Can Open Central Heating Systems Ever Stay Sludge Free?
Replies: 5
Views: 2653

Can Open Central Heating Systems Ever Stay Sludge Free?

Our central heating was power flushed a couple of years ago but, despite the use of inhibitor, the sludge is back. We recently had a new boiler installed and the plumber said it's an open system rather than a closed one with an expansion tank. As such he said it will always let in air and sludge up ...
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