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swwils
@swwils
Member
Estimable Member
Joined: Oct 2, 2025
Last seen: Apr 26, 2026
Profile Activity
Topics: 0 / Replies: 92
AllTopicsReplies
Reply
RE: New Fogstar 15.5kWh upright solution

I don't get it because JK to solis is one of the most common configs for these.   Fogstar are great.

4 months ago
Forum
Energy Storage
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@harrisonc mine has level 3 MID monitoring and you can see this power ramping. It's not completely weather comp control, there is a thermostatic eleme...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj yeah we recreated it. Engineer seemed to think it was inherent to the unit. It's hard to describe; but it's not airborne fan noise, it's an...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@agentgeorge unfortunately mine is a structure borne noise. I can't say for sure; but I think the fan is producing a harmonic booming style noise a...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Recently had my follow up with octopus for the vibration / structure tied noise I've experienced since install. They turned up with a airborne noise...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj some of the JS for the hub certainly suggests this, or at least labeling for 2 OEM fans, maybe it's just the 6 and the 9.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@andrewj it's also possible that not all cosy are the same cosy. If I was octopus and doing a rollout like this; I would definitely have A/B hardwar...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery with existing PV - regulations

@batpred The EPS output can be tricky to do to current regs. The old "rcd socket for type 2 only!" doesn't really cut it anymore.

5 months ago
Forum
Energy Storage
Reply
RE: A2A vs A2W: Which Heat Pump Would You Pick?

A2A is really good. Simple. Cheap. Great success in other countries. Use it 80% of the year then kick on your alternative source. Even a single casset...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery with existing PV - regulations

G99 needed for ac coupled battery. DNO will assume it can export unless it is type tested G100 and installed how the DNO likes to be export proof. Lim...

5 months ago
Forum
Energy Storage
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@jamespa/p> Run starts at 11. It didn't do a defrost the blip in the middle is me canceling a HW call.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@jamespa it seems to run at max 27L/min until 45C and then ramps down to 14L/min at 60C then stays there at 60C 14L/min. I was absolutely cooking so...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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