Please confirm 6 aptos 370w biracial panels would work w 18k inverter eg4
- Thread starter Scrugs
- Start date
Can the eg4 18k hybrid inverter and the one pro battery handle below hvac unit ?
the house has a lennox 5 ton hvac unit as per below.
The Lennox ML14XP1-060-230A01 is a heat pump with a cooling capacity of 32,400 to 58,500 Btuh and a heating capacity of 30,000 to 58,500 Btuh1. Its electrical specifications for single-phase operation at 208/230V are as follows:
the house has a lennox 5 ton hvac unit as per below.
The Lennox ML14XP1-060-230A01 is a heat pump with a cooling capacity of 32,400 to 58,500 Btuh and a heating capacity of 30,000 to 58,500 Btuh1. Its electrical specifications for single-phase operation at 208/230V are as follows:
- Maximum overcurrent protection: 20 amps
- Minimum circuit ampacity: 12.2 amps
- Rated Load Amps: 9.0 amps
- Locked Rotor Amps: 48 amps
- Power Factor: 0.982
ScrotpusGobbleBottom
Corn Pop was a bad dude.
Absolutely. That would be 248 VOC and the 18k could half that voltage with mppt and it still would work.
I have the same aptos 370 panels in a 9 series array and they are awesome!
ScrotpusGobbleBottom
Corn Pop was a bad dude.
Probably. Its new, highly sought after, and there isnt much better.
I think there are a TON of people waiting on a discounted used one.
ScrotpusGobbleBottom
Corn Pop was a bad dude.
Well, no, there isnt anything more useful then those.
If your bill is 1300KWH, you need more than 11KWH array in order to make that work with cloudy and crappy days.
Winter in wisconsin I would want at least a 25KWh array to possibly make 1300
The best idea is to figure out what you want to do with it. I have a 6.6 KWh array and it is only 85% of my bill IN THE BEST OF TIMES
And that is enough for me.
I wanted energy security more than anything.
Energy security for me does not include a hot tub.
Last edited:
Shamoke
New Member
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If you have the 5 ton unit then your rated amp draw of that unit is 13.2 amps according to the data sheet you posted. You also need to read the rated amps for your blower at your furnace and add that to your total. Typically I would expect to see about %75 of the rated run load amps being pulled during run time of your ac unit but your amps will be much higher during startup for the compressor, outdoor fan motor and your indoor blower motor.
I would suggest you install a "soft start" on your a/c unit to lower the amp draw during startup, this will lessen the load on your electrical system and the wear and tear on your compressor making it last longer.
Hedges
I See Electromagnetic Fields!
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- Mar 28, 2020
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6 x 370W = 2220W (STC) of panels, might make 1800W under typical conditions mid-day. Might make 10.8 kWh on an average day.
That's not quite enough to fully charge one PowerPro from empty, assuming no loads. Including no inverter idling 24/7.
Your HVAC unit, 12A @ 240V, is 2880W. Maybe you could get 3 hours or so a day operation from that amount of panels.
You want much more panels to supply the house during the day, and charge battery enough for the night.
Panels are CHEAP! Mounting hardware costs more than panels Labor costs even more.
I think 18kPV is meant to take up to 18kW of PV production, supply up to 12kW of loads from PV and/or battery, charge batteries while powering loads from PV. (Give or take, I don't remember the exact specs for that unit.)
2kW of panels would be suitable for a much smaller system, like a small RV.
You need to understand your total load, kWh/day summer and winter, max kW draw, peak kW including starting surge.
Good that you got "48A LRA", puts you way ahead of most visitors.
48A x 240V = 11,520VA starting surge. Yes, 18kPV is suitable for that.
The price $10k is about in line with the inverter, battery, panels. Anything else come for the price?
For $2000 I bought 10kW of panels not long ago. Prices are amazing these days.
"Plus installation" - What is probably most important for you to know is that installation is not available. You can't buy it anywhere.
Your choices are to make a Faustian bargain to purchase an installed system, with the installation company bundling in the equipment, or else to buy the hardware and do 100% of all labor yourself. If you are able to identify and manage people as your employees (and I highly recommend buying suitable insurance such as Worker's Compensation if you do), then someone else's labor could work.
diysolarforum.com
That's not quite enough to fully charge one PowerPro from empty, assuming no loads. Including no inverter idling 24/7.
Your HVAC unit, 12A @ 240V, is 2880W. Maybe you could get 3 hours or so a day operation from that amount of panels.
You want much more panels to supply the house during the day, and charge battery enough for the night.
Panels are CHEAP! Mounting hardware costs more than panels Labor costs even more.
I think 18kPV is meant to take up to 18kW of PV production, supply up to 12kW of loads from PV and/or battery, charge batteries while powering loads from PV. (Give or take, I don't remember the exact specs for that unit.)
2kW of panels would be suitable for a much smaller system, like a small RV.
You need to understand your total load, kWh/day summer and winter, max kW draw, peak kW including starting surge.
Good that you got "48A LRA", puts you way ahead of most visitors.
48A x 240V = 11,520VA starting surge. Yes, 18kPV is suitable for that.
The price $10k is about in line with the inverter, battery, panels. Anything else come for the price?
For $2000 I bought 10kW of panels not long ago. Prices are amazing these days.
"Plus installation" - What is probably most important for you to know is that installation is not available. You can't buy it anywhere.
Your choices are to make a Faustian bargain to purchase an installed system, with the installation company bundling in the equipment, or else to buy the hardware and do 100% of all labor yourself. If you are able to identify and manage people as your employees (and I highly recommend buying suitable insurance such as Worker's Compensation if you do), then someone else's labor could work.
System Energy Audit and Sizing Spread Sheet
To get the spreadsheet, click on the orange button at the top of this page. This sheet is intended to help you plan your system. Fill it out down to the last decimal place, look at the results..... and then make your best guess;) Notes...
diysolarforum.com
wpns
Solar Joules are catch and release
18Kpv needs two PowerPro to hit full power.
Citlalatonac
New Member
Wattplan exists. It's a utility industry group application, and I've found it makes a lot of assumptions that don't necessarily make solar shine. https://aeptexas.wattplan.com/pv/
You can also look at PVwatts, you kinda need to back into system size from there. If you have excel skills you can download hourly results and do math from there. https://pvwatts.nrel.gov/pvwatts.php
Generally, it should be fine to calculate with just monthly numbers, as that's how the utility bills.
EG4TechSolutionsTeam
Online Support for EG4 Electronics
Yes, this would work. You could do up to about 10-11 panels in series on each MPPT.
ScrotpusGobbleBottom
Corn Pop was a bad dude.
dependent on location!
if I did 10 and it was a sunny december day and my batts were charged with no load, Poof! there it goes.
And I am pretty sure OP is asking for a minimum. Not a max
ScrotpusGobbleBottom
Corn Pop was a bad dude.
My location gets down to -27C hence my concern
Quattrohead
Solar Wizard
The 18k can work with PV voltage upto 500v, but can tolerate upto 600v without failure.
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