MG5 with Zappi on Octopus intelligent go

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openspaceman
Posts: 662
Joined: Mon Mar 21, 2022 7:37 pm

MG5 with Zappi on Octopus intelligent go

#1

Post by openspaceman »

My daughter changed her car from Kona to MG5 and also her tariff to IOG. Account is running but the charger behaves quite differently from when charging the Kona, When plugged into car and set on Eco 2 leaves it always draws 1.5ish from home battery plus whatever solar PV is available until the home battery depletes. Despite an export margin being set.

At night when plugged in on eco 1 leaf it is failing to charge during the off peak period. I have asked her to reboot the zappi just in case this makes a difference.

Has anyone else this combination and go it working?

I think the fact that the zappi is on the same consumer unit as the house is an ongoing issue here.
Morso S11
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SimonSays
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Re: MG5 with Zappi on Octopus intelligent go

#2

Post by SimonSays »

Is the Zappi integrated into IOG or the car? If the Zappi is integrated then the make of car really doesn't matter at all, it's a Zappi troubleshooting issue.
What do the current flows look like on the Zappi screen with the car connected and disconnected?
3.2kWp south facing solar array
3.6kWp north facing solar array
Growatt SPH 3600 TL BL-UP 3.6kW hybrid inverter
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2020 VW e-Golf, 35.8kWh
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openspaceman
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Re: MG5 with Zappi on Octopus intelligent go

#3

Post by openspaceman »

SimonSays wrote: Fri May 17, 2024 10:22 am Is the Zappi integrated into IOG or the car? If the Zappi is integrated then the make of car really doesn't matter at all, it's a Zappi troubleshooting issue.
What do the current flows look like on the Zappi screen with the car connected and disconnected?
I gather the MG5 has no settings other than plug it in so all control is via the zappi.

Unfortunately I am 50 miles away so only get to see the zappi on visits and then never during the charging period.

Can the zappi app be on more than one cellphone?
Morso S11
FIT
4kW panels facing WSW
Solarmax 4200S

Non FIT
disparate string
1.75kW facing SSE
0.85kW facing NE

2.6kW facing WSW

Sunsynk 3.6kW inverter

Storage
10.4kWh GLS lithium phosphate battery
Countrypaul
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Re: MG5 with Zappi on Octopus intelligent go

#4

Post by Countrypaul »

Is the firmware on the Zappi upto date? I know there have been various changes to the firmware. I asume it is a Zappi 2 - I dont have one yet but looking at it when we next change car, I do have an Eddi.
Have you tried posting on the ME forum Zappi section? https://myenergi.info/zappi-v2-f46/
openspaceman
Posts: 662
Joined: Mon Mar 21, 2022 7:37 pm

Re: MG5 with Zappi on Octopus intelligent go

#5

Post by openspaceman »

Countrypaul wrote: Fri May 17, 2024 10:57 am Is the firmware on the Zappi upto date? I know there have been various changes to the firmware. I asume it is a Zappi 2 - I dont have one yet but looking at it when we next change car, I do have an Eddi.
Have you tried posting on the ME forum Zappi section? https://myenergi.info/zappi-v2-f46/
I have asked, I am not sure about the model, it was installed March 23.

Thanks for the link, I'll get her to register.
Morso S11
FIT
4kW panels facing WSW
Solarmax 4200S

Non FIT
disparate string
1.75kW facing SSE
0.85kW facing NE

2.6kW facing WSW

Sunsynk 3.6kW inverter

Storage
10.4kWh GLS lithium phosphate battery
SimonSays
Posts: 107
Joined: Tue Jun 07, 2022 10:08 am
Location: West Sussex

Re: MG5 with Zappi on Octopus intelligent go

#6

Post by SimonSays »

One thing to note - if the Zappi was integrated into IOG then Octopus should always be forcing it into Eco++ mode from Eco or fast:
https://support.myenergi.com/hc/en-gb/a ... Octopus-Go
3.2kWp south facing solar array
3.6kWp north facing solar array
Growatt SPH 3600 TL BL-UP 3.6kW hybrid inverter
16.5kWh storage
2020 VW e-Golf, 35.8kWh
2022 Jaguar I-PACE, 90kWh
MyEnergi Zappi & Eddi
openspaceman
Posts: 662
Joined: Mon Mar 21, 2022 7:37 pm

Re: MG5 with Zappi on Octopus intelligent go

#7

Post by openspaceman »

I think you mean eco with one leaf as eco with two leaves should only charge using excess solar PV power. Your link says eco and one leaf.

This makes sense as this should top up with grid electricity when there is little or no solar, at night cheap rate there is no solar power.
Morso S11
FIT
4kW panels facing WSW
Solarmax 4200S

Non FIT
disparate string
1.75kW facing SSE
0.85kW facing NE

2.6kW facing WSW

Sunsynk 3.6kW inverter

Storage
10.4kWh GLS lithium phosphate battery
SimonSays
Posts: 107
Joined: Tue Jun 07, 2022 10:08 am
Location: West Sussex

Re: MG5 with Zappi on Octopus intelligent go

#8

Post by SimonSays »

Octopus should force the Zappi into "two leaves" Eco from "one leaf" Eco or fast. You then control the amount of grid you are happy to pull with the "leaf" slider in the MyEnergi app. With IOG, this should always be set to 100% to avoid battery drain or grid pull.

In the Octopus app, does the Device tab say "Charge to add" or "Charge Limit"?
3.2kWp south facing solar array
3.6kWp north facing solar array
Growatt SPH 3600 TL BL-UP 3.6kW hybrid inverter
16.5kWh storage
2020 VW e-Golf, 35.8kWh
2022 Jaguar I-PACE, 90kWh
MyEnergi Zappi & Eddi
openspaceman
Posts: 662
Joined: Mon Mar 21, 2022 7:37 pm

Re: MG5 with Zappi on Octopus intelligent go

#9

Post by openspaceman »

SimonSays wrote: Fri May 17, 2024 12:33 pm .

In the Octopus app, does the Device tab say "Charge to add" or "Charge Limit"?
My daughter is at work now so I cannot say.

I am wondering if I could also have the app on my phone to see what is going on.
Morso S11
FIT
4kW panels facing WSW
Solarmax 4200S

Non FIT
disparate string
1.75kW facing SSE
0.85kW facing NE

2.6kW facing WSW

Sunsynk 3.6kW inverter

Storage
10.4kWh GLS lithium phosphate battery
SimonSays
Posts: 107
Joined: Tue Jun 07, 2022 10:08 am
Location: West Sussex

Re: MG5 with Zappi on Octopus intelligent go

#10

Post by SimonSays »

I think that'd be fine, as long as your daughter can securely send her credentials to you
3.2kWp south facing solar array
3.6kWp north facing solar array
Growatt SPH 3600 TL BL-UP 3.6kW hybrid inverter
16.5kWh storage
2020 VW e-Golf, 35.8kWh
2022 Jaguar I-PACE, 90kWh
MyEnergi Zappi & Eddi
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