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The ASHP install. Lots of heating on/heating off then fingers crossed.

TheMitchells

Entry posted by TheMitchells in Renovation

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After removing the old heating system a couple of weeks ago, the engineers arrived at 10am Monday morning last week - waiting for the delivery of all the 'bits'!  We'd installed a couple of electric oil filled radiators for mum and dad and luckily the weekend was mild.  

The lorry arrived around 11am, things were unloaded and taken into the back garden, then the guys all disappeared to go and get the pipework.....

So after lunch, back the 2 chaps came and installed the ASHP into the back garden, with pipes into the roofspace.  (one lives in Stamford, 2.5 hrs drive from here! - no wonder it took a while for them to arrive.)

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Tuesday, we had 3 guys, ftting the radiators into the place.  I was told the electricians would be there thursday and friday to connect everything up. 

Wednesday 3 guys again, all sorted of things were now fitted into the cupboard and the radiator installations continued.  There were 2 under bench blowers in the kitchen as there are no walls for a radiator.  They were fitted but not connected - needed an electrician.  Two radiators had to be removed and replaced as they had faulty paintwork (nice to know they arranged that themselves, we didnt have to complain). 

Not sure what happened thursday but no electricians turned up. 🙁

 

Friday, 2 electricians arrived and started to connect the system.  But then one said they had to leave at lunchtime!  I was not impressed but to be fair, they carried on, until the system was up and running.  I had a quick explanation and off they went, around 2pm.  The house was lovely and warm with hot radiators!  Yippee.  😁

 

Saturday as I drove to a friends many miles away, we had a call from the parents - they had no heating!  Grrr.  But after emailing the 'boss' - within an hour, he arrived at the house and sorted out the problem - air in the system.  Heating resumed.  😄

 

Sunday - Mums 85th birthday.  House toasty and all happy.  😁  Dad mentioned a problem with his bathroom radiator which was so cose to the door that it could only be opened half way.  email sent to 'boss' who arranged for an engineer to come MOnday. Which he did (from Stamford), he moved the radiator (cursing the idiot who placed it there) and fixed the fronts onto the under bench heaters.  All looking good.

 

Tuesday - unknown to me (they didnt tell me), there was no heating again and the 'boss' was called by Dad. He arrived after an hour and got it working again, telling them it was all sorted.  But today, wednesday, when I arrived at 9am, the house was cold.  Arghhhh!!!

After emailing the 'boss' who arranged for his business partner (the elctrician from last week) to ring and come out. 

 

In the cupboard, the box which seemed to talk to the thermostat was flashing amber - and not sure that was right, i pressed a button and it turned flashing green.  But still no heat after half an hour.  I then found a manual online for the thermostat - Drayton Digistat - from which i discovered it had been set to a particular schedule for those out at work all day - ie on for a couple of house in the morning, low during the day, warmer for the evening and off at night!  Not ideal for two 85yr olds, at home all day.  After installing the app on the tablet - didnt work - and then on my phone, i was albe to amend the temperatures up to 21oC from 6.30am to 22.00pm with 16oC at night. 

I could see the Digistat registering that change and start the heating symbol.  but the radiators stayed cold and the temperature did not change from 17oC.  The electrician rang and I told him about the flashing light.  I was told to press it till it was constant green which we did.  And then i heard the pump start and water could be heard moving.  But still no heat. 

After a couple of hours, he arrived and confirmed that while the App was controling the Digistat, they were not talking to the bix in the cupboard.  After some work and a call to the Manufacturers, he re-set the system and everything seemed to be talking to each other.  I was able to boost the temperature with the App and the house started to warm up. 

 

So thats the current situation - its taken several visits and several days without heating but fingers crossed, it continues to work.  When it does work, the place is toasty, and I have to admit that all the guys have been great with mum and dad, moving out the way when needed, and being polite/helpful. And the 'boss' and Electrician have been quick to come out and try to fix the problem.  I just hope there are no more calls. 

 

Will update in a few days.

 

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ProDave

Reading that summary, I can only shake my head and wonder what is the great attraction of wireless controls and throwing an "app" into the mixture?

 

Most ordinary systems with hard wired thermostats and hard wired programmers "Just Work"

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Andehh

What heat loss assessments and instructions did they leave?

 

Have you managed to check the daily energy use of it? We're using about 32 to 35kwh a day atm, likely to hit 40kwh during this current cold spell? (whole house so includes cooking, dish washer and washing machine/tumble dryer)

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SteamyTea

" i discovered it had been set to a particular schedule for those out at work all day - ie on for a couple of house in the morning, low during the day, warmer for the evening and off at night"

 

So the system was not commissioned at all.

 

Do these installers know how to set up heat pump systems.

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