Ecodan ASHP - How to optimise my set up?
@sliderule no worries at all. One black segment is quietest/min power. Three black segments is normal/full power (see photo)👍
Mitsubishi Ecodan 11.2kW R32 ASHP; Ecodan DHW cylinder; UFH+rads
20x430W Jinko TOPCON Tiger Neo solar; Luxpower 6kW hybrid inverter; 10kWh LFP battery storage
that's on mine which is a 2021/22 FTC6 btwPosted by: @skd@sliderule no worries at all. One black triangle is quietest/min power. Three black triangles is normal/full power 👍
Mitsubishi Ecodan 11.2kW R32 ASHP; Ecodan DHW cylinder; UFH+rads
20x430W Jinko TOPCON Tiger Neo solar; Luxpower 6kW hybrid inverter; 10kWh LFP battery storage
Posted by: @sunandair...it’s flow rate recommendation is around 11 LPM...I have found it’s important to keep Farley close to the recommended flow rate for your model of HP.
To pick up on this (flow rate) comment... I've a Grundfos primary pump which the FTC6 reports as producing 8lpm on constant speed 1, and 12 or 13 (it flip-flops every few seconds) on constant speed 2 - a) I assume the FTC pump speed setting has no effect whether it's 1 or 5, and b) with UFH and rads, what's the guidance on whether I should be at 8 or 12/13; is it just 'nearest the book flow' (e.g. nearest to 10.8lpm) or, with the UFH likely using/being on more, the nearest slower setting?
Unlikely, but c) is there any known way I adjust the Grundfos to get near half way in-between, e.g. ~10.5lpm?!
Ecodan PUZ-WM60VAA (6kW) with FTC6
Posted by: @skdOne black segment is quietest/min power. Three black segments is normal/full power (see photo)
Can I just check this is correct - having read the FTC6 installation manual, the three bar settings are described as Normal / Level1 / Level2; does anyone know what Level1 and Level2 mean, precisely? (I can't find anything on google) Do we not think that 'Normal' is 'Normal quiet mode' (i.e. reduced noise) and not 'normal noise mode', given it's under the Quiet mode settings/schedule?
Ecodan PUZ-WM60VAA (6kW) with FTC6
Posted by: @rhh2348Posted by: @skdOne black segment is quietest/min power. Three black segments is normal/full power (see photo)
Can I just check this is correct - having read the FTC6 installation manual, the three bar settings are described as Normal / Level1 / Level2; does anyone know what Level1 and Level2 mean, precisely? (I can't find anything on google) Do we not think that 'Normal' is 'Normal quiet mode' (i.e. reduced noise) and not 'normal noise mode', given it's under the Quiet mode settings/schedule?
This is what I worked out after speaking to Mitsubishi Tech Support, and experimenting myself. You're right, it's poorly described in their literature.
3 black bars is Normal mode, and refers to standard power / loudest compressor setting.
2 black bars is slightly reduced power, and a bit quieter than Normal. This is Level 1 Quiet Mode.
1 black bar is the greatest available reduction in compressor power. Level 2 Quiet Mode.
Hope this is some help.
Mitsubishi Ecodan 11.2kW R32 ASHP; Ecodan DHW cylinder; UFH+rads
20x430W Jinko TOPCON Tiger Neo solar; Luxpower 6kW hybrid inverter; 10kWh LFP battery storage
Posted by: @skdYou're right, it's poorly described in their literature.
3 black bars is Normal mode, and refers to standard power / loudest compressor setting.
2 black bars is slightly reduced power, and a bit quieter than Normal. This is Level 1 Quiet Mode.
1 black bar is the greatest available reduction in compressor power. Level 2 Quiet Mode.
Hope this is some help.
That's an understatement - the manual states the three levels as text (e.g. 'Normal / Level1 / Level2') rather than the number of 'bars'/squares the FTC6 actually displays, and then reverses the order (e.g. rather than 1 bar = Normal, 2 bars = Level1, 3 bars = Level3)! Extremely odd, thus:
However, further down it also states that if quiet mode is enabled, the heat pump icon changes to one with a crescent moon bottom-right, thus:
It'd be nice to know exactly what the two alternative levels adjust, if anyone's got/can find that info?
Will test with quiet mode settings once the W/C is roughly there. Thanks again for now, though.
Ecodan PUZ-WM60VAA (6kW) with FTC6
@rhh2348 yes, the compressor symbol on the main screen will include a moon icon whenever either of the Quiet Mode settings is selected.
I know what you mean - I wish Mitsubishi would provide a written description on the workings of this mode.
Mitsubishi Tech Support verbally told me that each Quiet Mode setting simply places an electronic restruction on maximum compressor speed, nothing more than that.
Mitsubishi Ecodan 11.2kW R32 ASHP; Ecodan DHW cylinder; UFH+rads
20x430W Jinko TOPCON Tiger Neo solar; Luxpower 6kW hybrid inverter; 10kWh LFP battery storage
Posted by: @rhh2348Posted by: @sunandair...it’s flow rate recommendation is around 11 LPM...I have found it’s important to keep Farley close to the recommended flow rate for your model of HP.
To pick up on this (flow rate) comment... I've a Grundfos primary pump which the FTC6 reports as producing 8lpm on constant speed 1, and 12 or 13 (it flip-flops every few seconds) on constant speed 2 - a) I assume the FTC pump speed setting has no effect whether it's 1 or 5, and b) with UFH and rads, what's the guidance on whether I should be at 8 or 12/13; is it just 'nearest the book flow' (e.g. nearest to 10.8lpm) or, with the UFH likely using/being on more, the nearest slower setting?
Unlikely, but c) is there any known way I adjust the Grundfos to get near half way in-between, e.g. ~10.5lpm?!
Where is your circulator pump located in the circuit? Is it positioned on the Primary Flow or the Primary Return? Do you have a Mitsubishi pre plumbed cylinder with a plate heat exchanger? And do you know where your flow sensor I see located- as it should be on the return pipework going back to the heat pump? Do you have a Low Loss Header fitted? Regarding c) there is a device called a flow setter valve which simply restricts flow but might not be necessary. One litre faster than optimum shouldn’t be a problem.
dont understand a) what are you assuming. What isn’t happening?
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