heat pump

heat pump

Recent contents View information Top users
  1. S

    Heat pump controls

    I’m trying to get my head around how the controls work on heat pump systems . Usually on a s plan combi boiler let’s just say 2 zones I’ve learned that power to spur from spur to Timeclock to stat calls for heat switch live from stat on to brown on the motorised valve micro switch closes...
  2. M

    UK Heat pump faults?

    Two call outs to new build burnt out heat pumps in a week.
  3. HappyHippyDad

    Smart switching for 3.5kW heat pump?

    My customer wants to be able to switch his heat pump (3.5kW) for his swimming pool on and off remotely, he also wants to be able to set times for it to switch on and off during the day. He wants to be able to do this remotely too (i.e. with his phone). In addition, he has a 380w pump he wants...
  4. S

    BEKO DHR73431W not heating

    Hi, I have a Beko DHR73431W heat pump tumble dryer that isn't heating. I'm thinking its beyond economic repair as I think the compressor has gone, but any advice is welcome. The NTC's in the door and on the compressor are all reading what I believe normal at around 12kohms at room temp. The...
  5. F

    Heating system is via an air source heat pump.

    We have just completed a self build, and heating system is Air Source Heat Pump, unvented HW cylinder, Buffet Tank, all Vaillant equipment. The heating firm have ceased trading before the system has been completed and fully commissioned. Ground floor is UFH with 6 zones controlled by Heatmiser...
  6. E

    heat pump and pv diverter

    Hi, I've got both a solar pv and an ashp system. The solar system also has 2 batteries and it's configured to fill the batteries first and then export to the grid when they are full. I don't think it matters, but the pump is an LG Therma V R32 monobloc. From what I understand (I'm not an...
  7. D

    Electric boiler better than a heat pump?

    I need help with this. So I do
  8. D

    Heat Pump Tumble Dryer v De humidifier

    I am having a debate with my son-in-law. He has got a Samsung dv80ta020ae heat pump tumble dryer, I am using a 300w de-humidifier for drying clothes. He says his Samsung is cheaper to run. Im not so sure, is anyone capable to explain if he is correct. Hope I have got the correct forum! Many Thanks
  9. B

    1950s underfloor heating brought into reuse with air source heat pump

    My mother moved into her three bed home in 1960 and it had underfloor heating in the living room. I remember we used it when I was growing up in the 70s but it hasn't been used for probably 30 years. Electric storage heaters were installed to take advantage of the old off-peak electric tariff...
  10. P

    Wire size for 15kW heat pump electric backup element

    In a few days our local HVAC company will replace our propane furnace with a Mitsubishi heat pump (PUZ-HA42NKA1) and ducted air handler ((PVA-A42AA7) with a 15kW backup electric unit (EH15-MPAS-LB). Submittals and installation instructions can be found on mylinkdrive.com. I'm doing the...
  11. CarolinaG

    Heat Pump Heating issue with relay sticking

    I had a electrician look and apparently the relay is stuck so the pump keeps running even when not calling for hot water. We already replaced the Honeywell timer and that made no difference prior to calling electrician so its definitely a stuck relay. He said he couldnt get a replacement relay...
  12. T

    5V out from heat pump control panel.

    Hi, I'm needing to run a raspberry pi computer board near my boiler. The Pi requires 5v at 2.5A. My heating system is from NIBE and the control panel a SMO 20. It does have a USB port on the front for software updates but this doesn't appear to have enough current to power the Pi properly. Sad...
  13. K

    Heat pump install

    Hey, Just a question for a heat pump install. Heat pump unit is 60 amps. Backup in tank heater for hydronic heating is 24 kW. Just don't know if the 200 amp service will be enough for the heating load? Any advice on service calculation on this particular setup?
  14. T

    Wiring a 1KW pool heat pump

    Hello. I was hoping someone could please help me with some queries? I’ve just taken delivery of a single phase pool heat pump rated 1kw, with running amps of 4.5. Retailer has advised that it should be wired into a separate type C MCB with a min 10A fuse. I was hoping I could just put a...
  15. L

    Pool Heat Pump

    Hi all, Our electrician cancelled and the pool pump installer is coming Friday so I need to do it myself. Not a big deal, very simple, straight run, I just need advice. The pump requires 40A, single phase, 50A recommended and 60A Max. We have two 150A panels 60 feet down the same wall so I'd...
  16. S

    electrical consumption of an air source heat pump, Ontario Canada

    Hi - No idea if I am writing in the right place. Please, I cannot get a straight answer when the temperature is 0- -20 Celsius - where can I find a chart of what normal KWhr consumption is? I think mine is using far too much electricity thanks
  17. L

    Heat pump diversity calculation question

    Hi, When calculating diversity. Does external air conditioning equipment such as heat pumps fall under heating and power in the osg such that you take 100% of the highest then 75% of the remainder? Thanks
  18. E

    Heat Pump Installation? Anybody Installed?

    Just a quick question, has anybody installed a Heat Pump before if so how involved are they? Are there any pitfalls that could well be overlooked. Been asked by a client to complete the electrical install on a few of these things and with work as it is at the moment, its not something that can...
  19. B

    Air source heat pump trouble...Help!!!

    Hi Everyone, I apologise, this is going to be a bit long winded! Any help would be gratefully received though. I have just finished wiring the supplies for an air source heat pump. By manufacturers spec it needs a 32A supply outside for pump itself, and a 16A supply to the indoor control unit...
  20. S

    air 2 air 2 water heat pump

    Does anyone know of an air 2 air 2 water heat pump available in the UK.

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top