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Air-to-Air or only Air-to-Water Heat Pump?
In my new high efficiency house, I will have UFH with an Air to Water (A2W). Heat pump Monobloc, but for extra cooling on hot days I think extra air cooling with FCUs is needed: Should I use a secondary Air (to coolant) to Air system, or stick with just the Air to Water system to also drive my...
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12
Views
1K
puntloos
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D
Dry run protection for DC Solar Pump sourcing water from a borehole
We are installing solar power irrigation systems for smallholding farmers in Rural Ghana, We have 12V DC 0.18kW (max 20A) pumps, there only power source will be a voltage varying from 15-20V coming from solar panels. The boreholes are narrow, therefore is not much room for a float switch, The...
Replies
2
Views
604
rpm
rpm
B
Dry run protection for DC Solar Pump sourcing water from a borehole
We are installing solar power irrigation systems for smallholding farmers in Rural Ghana, We have 12V DC 0.18kW (max 20A) pumps, there only power source will be a voltage varying from 15-20V coming from solar panels. The boreholes are narrow, therefore is not much room for a float switch...
Replies
0
Views
465
barnaby_david_king
B
A
Replacement controllers.....
Hey all, need to find a replacement control unit for my air/water heat pump. Does anyone have have any links that I can try? Thanks for any help
Replies
19
Views
3K
Toshmarple
T
K
Air to Air heat pump
Has anyone installed / worked with air-to-air heat pumps? I wonder if their running cost is also high? There’s no information on running cost and even the people handling the funding pots for Air source heat pumps, are not aware of the costing.
Replies
0
Views
769
Katelina
K
NeetieM
Replacing a 12 year old air source heat pump
Hello, I hope someone can give me some advice on replacing an old air source heat pump. We moved into a shared ownership house last year which has a Daiken air source heat pump fitted to provide heating and hot water. The unit was fitted when the house was built 12 years ago. It seems that the...
Replies
6
Views
3K
Jim09876
J
B
Servicing for Arotherm Vaillant 15KW Air Source Heat Pump (ASHP)
Moved into a new property around 4 years ago with full 15Kw Vaillant Arotherm ASHP setup, after quite a few initial teething problems seems to run well over last couple of years. Long term just wondering if anyone can advise on servicing (in Berkshire area). Are there any independent specialist...
Replies
2
Views
3K
Brambles
B
LouiseSJPP
Setting up Nibe VVm320 air water heat pump
I have had a Nibe ASHP installed, F2040 and VVM320 indoor module. The manual for setting it up goes through how to do each step, but gives no overview. There are three different ways of setting internal temperature; by setting an internal level (or an internal temperature of a thermostat is...
Replies
11
Views
5K
LouiseSJPP
LouiseSJPP
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