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Parmstar
@parmstar
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Joined: Dec 11, 2022
Last seen: Apr 23, 2026
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Topics: 5 / Replies: 47
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RE: MCS Certified installer problem

@oswiu attached a copy of the design document which was sent AFTER the install was done upon request - it’s a Mitsubishi ecodan 11kw

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: MCS Certified installer problem

@allyfish hi , the ASHP we have had installed is not getting up to the temp we asked for - with our old gas boiler we had it set at a constant 21 degr...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS Certified installer problem

@hotheat slip hazard for the kiddos - otherwise not overly concerned although there is drain pipe connected which is supposed to take away the water t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: MCS Certified installer problem

@hughf hello again 🙂 few things - drain pipe hasn’t been connected properly so there is ice build up all around the pump base. No energy consumptio...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
MCS Certified installer problem
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 87
Views: 41671
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

They said it's fine to cycle like that as its on the hour - he thought it was cycling a lot more. It was not until I zoomed in he confirmed that it is...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

@hughf standard weather compensation. I am just on the phone to Mitsubishi technical now and sent them a screen shot of my usage chart through my sola...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

@hughf its a ecodan wireless remote controller and reciever - PAR-WT50R-E / PAR-WR51R-E There is just one cable going to that pump

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

Thanks Hugh- the cylinder is located in airing cupboard with the main controls and the thermostat is located in the hallway. The ASHP is on the side o...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

The heat pump is a PUZ-WM112VAA controller is shown on the pic and it’s a 3rd party joule 300l cylinder

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

@hughf thank you for your help with this. I don’t have a copy of the heat loss calcs but I could try to get them from the installer. I have a ecod...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan 11kW ridiculously expensive running costs. Help!

@hughf 🤣 I suspected as much. I checked my recent bill and I am on the capped rate - they itemise it slightly differently in that they show a deductio...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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