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Rhiannon
@rhiannon
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Joined: Dec 23, 2025
Last seen: Jan 1, 2026
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Topics: 0 / Replies: 2
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

@jamespa Thanks for your help. With your current set up does the compressor still cycle on and off or run continuously? Before I removed the blockad...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

I have a Grant Aerona r290 9kw installed in a house with 10.03kW heat loss. It was designed with a target of 45C flow temp at -2.4 (capacity 10.47kW)....

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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