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abbote
@abbote
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Joined: Nov 25, 2024
Last seen: May 13, 2025
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Topics: 1 / Replies: 8
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RE: IVT Greenline high pressure switch and electrical cassette errors

Your system seems to be more modern than mine, mine was installed in 2011. My advice would be to speak to Zak @Alto Energy. zak.crozier@altoenergy.co....

3 months ago
Forum
Grounds Source Heat Pump (GSHPs)
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RE: IVT Greenline high pressure switch and electrical cassette errors

Here are the reported most common causes for both. Common Causes High Pressure Switch error:Blocked or dirty condenser coil (insufficient airflow)Fa...

3 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: IVT Greenline high pressure switch and electrical cassette errors

I know you will probably have tried this, but if the GT8/GT9 temp differential is low, it may not solve the issue? However, Pressure Switch High (HP)...

3 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: IVT Greenline high pressure switch and electrical cassette errors

Hi, are you able to see the delta between GT8 vs GT9 temps? If this is more than 10 degrees then it would suggest that there is a flow issue again. Wh...

3 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

Just leaving an update to my issue. The pump completely shut down on the 26th Jan. I had ordered the internal flexible hoses from Alto Energy and th...

5 months ago
Forum
Grounds Source Heat Pump (GSHPs)
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

@greenlight I actually called you and spoke to you to ask if you had a work instruction or could give me an idea of how much it should cost to replace...

5 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

As I thought I've been told that the most likely cause if the internal flexible pipes below the electrical cassette and flow pump. It's great that the...

7 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

Many thanks for taking the time to reply. There is a Magnaclean on the return from the rads/UFH, which I have cleaned myself, is this just the white p...

7 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Topic
Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
7 months ago
Forum
Grounds Source Heat Pump (GSHPs)
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