Re: [RE-wrenches] Installers in Nazareth, PA?

2023-04-14 Thread Harry Mahon via RE-wrenches
Nik - Paradise Energy Solutions would be a good choice for that area. https://www.paradisesolarenergy.com/ Best regards - Mike Michael Mahon Solar Academy Manager | SMA America 3925 Atherton Rd Rocklin, CA 95765 +1 916 918 9412 www.SMA-America.com Solar Academy

Re: [RE-wrenches] SMA Rapid Shutdown and Secure Power Supply

2022-04-28 Thread Harry Mahon via RE-wrenches
Dave - Unfortunately the SPS feature is not "back" fully. Choosing "yes" during commissioning for the SPS feature allows for it to work (with switch and outlet installed) but ONLY for the same solar day as an outage occurs. When the Sunny Boy goes to sleep, the sunspec transmitter will stop

Re: [RE-wrenches] SMA AFCI events and ferrite cores

2022-04-08 Thread Harry Mahon via RE-wrenches
Bill - SMA is continuously working to improve the accuracy of our AFCI detection and minimize impacts on system operation of this important safety function. Intentionally degrading the signal coming into the Sunny Boy for the AFCI detection to act on is not recommended. The most up to date FW

Re: [RE-wrenches] Racking identifaction request

2021-08-18 Thread Harry Mahon
Something like the T-slot railing? https://www.mcmaster.com/t-slot-rails/ Michael Mahon Senior Technical Trainer, Solar Academy SMA America 3925 Atherton Rd Rocklin, CA 95765 Mobile: +1 916 918 9412

Re: [RE-wrenches] Tesla Powerwall

2021-02-04 Thread Harry Mahon
Jon – if you are installing in PG territory, the Sunny Boys (with CA Rule 21 settings enabled) will have freq-watt enabled, so they will reduce power linearly when the PW begins to increase frequency in backup mode as well. As Jerry mentioned, this has been a required function that must be

Re: [RE-wrenches] Stackable Battery-Based systems complying to IEEE 1547-2018 standard

2020-08-27 Thread Harry Mahon
Dave – Related but different. CA Rule 21 and HECO Rule 14H and NE-ISO require equipment tested to UL1741 SA (which outlines what additional functions beyond UL1741 inverters must be capable of) utilizing the appropriate utility Source Requirement Document (SRD). The SRD spells out which UL

Re: [RE-wrenches] Stackable Battery-Based systems complying to IEEE 1547-2018 standard

2020-08-26 Thread Harry Mahon
Mac – what utility is this? My understanding is that IEEE 1547.1-2020 contains the details of the testing protocol so that devices CAN be listed to 1547-2018. It got published in late May 2020. Are ANY inverters listed yet? My understanding is testing is a months long process and that would

Re: [RE-wrenches] High Power Split phase inverter/chargers

2020-02-21 Thread Harry Mahon
Wes & all – I want to clarify my prior post If off-grid, the rule of thumb is no more than 2W PV per W of Sunny Island. So that would be up to 46kW PV for 23kW SI capacity – there is no concern of backfeeding the SI relay when off grid, even with generator. But if grid tied, the relay limit

Re: [RE-wrenches] High Power Split phase inverter/chargers

2020-02-21 Thread Harry Mahon
Wes – Indeed, max Sunny Island 240VAC cluster is 4 units, so 23kW max BATTERY power. Limit of roughly 27kW of PV (4x 120V x 56A relay limit = 26,880W) with that cluster if grid-tied with backfeed, so around 50kW max daytime load offset per cluster. That may help if peak loads are always

Re: [RE-wrenches] SMA SBX.X Warranties

2019-12-20 Thread Harry Mahon
Peter – The standard warranty on Sunny Boy US, Sunny Boy Storage US (and ABU) and CORE1 US inverters (installed anywhere in north america) is 10 years, and can be extended to 15 or 20 total years. The TS4 devices we sell are warrantied for 25 years. While promotional stock lasts, we have SI

Re: [RE-wrenches] SPR-5200 inverter parts

2019-10-14 Thread Harry Mahon
Dave – Definitely hard to find a transformer based inverter these days. If looking for a SB 6000US (this is not an endorsement by SMA), you can look at Solar Cowboyz and their new division, You Love Solar. They have SB 6000US listed on the website: https://you-love-solar.myshopify.com/ Please

Re: [RE-wrenches] Running a grid tied system when the grid is down

2019-09-20 Thread Harry Mahon
If using SMA’s Rapid Shutdown System, the SPS function is available as RS is initiated in the manner you described. If using the TS4 units for 2017 690.12 compliance, the SPS function is not available on the SB US-40. Each SPS circuit is independent – there is no way for two Sunny Boys to

Re: [RE-wrenches] Running a grid tied system when the grid is down

2019-09-20 Thread Harry Mahon
Corporation Best for the World 2018 Honoree On Fri, Sep 20, 2019 at 10:58 AM Harry Mahon mailto:michael.ma...@sma-america.com>> wrote: Dave – how is Rapid Shutdown being complied with? And what load requires 240V – or is that needed to “fool” the PV inverters? With two SB-40s, you have the a

Re: [RE-wrenches] Running a grid tied system when the grid is down

2019-09-20 Thread Harry Mahon
Dave – how is Rapid Shutdown being complied with? And what load requires 240V – or is that needed to “fool” the PV inverters? With two SB-40s, you have the ability to wire for the homeowner two Secure Power Supply circuits – and get up to 2000W (at 120VAC) from each when sun is up and grid is

Re: [RE-wrenches] Anyone try the new SMA battery inverter with Automatic Backup Unit? Couple of questions.

2019-08-12 Thread Harry Mahon
Howard - Some information related to your questions: Yes, with AC coupling the output of the Sunny Boy Storage 6.0 (6.0kW) plus PV system is available. For example, 13.7kW with SBS 6.0 at full output and Sunny Boy 7.7 also at full output (obviously daytime). With 3 of the BYD Battery Box

Re: [RE-wrenches] DC Bonding battery systems

2019-07-23 Thread Harry Mahon
Wrenches – I am no code expert, but wanted to chime in to this important discussion. Rapid shutdown (690.12) does not deal (directly) with arc faults at all. The initiation of rapid shutdown is generally a manual process that a first responder triggers to reduce shock hazard. The RS system is

Re: [RE-wrenches] SMA Micro-grid

2019-04-23 Thread Harry Mahon
for this one. 1-877-697-6283. Best regards – Mike From: William Miller Sent: Tuesday, April 23, 2019 12:40 PM To: Harry Mahon Cc: RE-wrenches Subject: Re: [RE-wrenches] SMA Micro-grid Mike: Thanks for the reply. Good information. The AC system is 208. The data sheet indicates that for 208 the PV

Re: [RE-wrenches] SMA Micro-grid

2019-04-23 Thread Harry Mahon
William – Waiting mode means the DC voltage is below the inverter start. For SB 4000-12, that would be 285 VDC (and will work to 250VDC once that is hit). If you knock on the inverter lid, the display will cycle and you will see the DC voltage displayed. If the yellow LED is not on, this

Re: [RE-wrenches] 1000 volt

2019-04-19 Thread Harry Mahon
Bill – A couple items: 1. The 3TL-US (along with all the STP TL-US line) has been discontinued, and I believe this particular model has been completely sold out. Some Distributors may have stock remaining or you may have already obtained the unit. As Blake noted, if you use this

Re: [RE-wrenches] Does SMA have a SGIP-compliant (i.e. Smart Storage) Product?

2019-04-05 Thread Harry Mahon
Wrenches – you are all correct about ensuring the surge rating. And now the battery + BMS must also be checked. A few comments from SMA’s side: The SBS must have the Automatic Backup Unit (ABU) accessory installed to function off-grid beyond the Secure Power Supply capability. This unit

Re: [RE-wrenches] De- combining

2019-04-05 Thread Harry Mahon
Gary- I am assuming the array is 600v based on string length. Perhaps a few more of the 33kW CORE1s might be a better design fit - could they be mounted off the ground at the combiner locations? Then you utilize 8 of the 12 inputs of each inverter. This would require a couple more conductors

Re: [RE-wrenches] SMA Kiosk

2019-02-13 Thread Harry Mahon
William – Likely the easiest way to do this is to get a Speedwire module for each inverter (SWDM-US-10). You can daisy chain the two inverters together with Ethernet cable once the modules are installed, and one output cable will come to a router/hub. A windows based laptop/PC running the free

Re: [RE-wrenches] SMA WLAN?

2019-01-28 Thread Harry Mahon
The WiFi on the Sunny Boy and Sunny Tripower CORE1 operates at 2.4 GHz. Best regards – Mike SMA America Michael Mahon Technical Trainer, Solar Academy 6020 West Oaks Boulevard, Suite 300 Rocklin, CA 95765 U.S.A. Mobile: +1 916 918 9412 www.SMA-America.com Solar

Re: [RE-wrenches] Cost of service upgrade vs Solar credits

2019-01-21 Thread Harry Mahon
William – Not sure what array size you intend to use, but with the Sunny Boy 3.8-US unit at 208V the max output power is 3.33kW (as current is limited to 16A for breaker sizing at 240V). So 3 of these units gives “balanced” 3 phase 10kW, but at the cost of three inverters. Two input channels

Re: [RE-wrenches] Lg chem

2018-12-14 Thread Harry Mahon
Jay (and list) - SolarEdge bought 75% of Kokam for $88 million. BYD is a $17 billion (2017) company, and is the largest battery cell manufacturer in the world. The BYD Battery-Box HV is supported by the SMA Sunny Boy Storage (SBS), but not the StorEdge currently. UL listing of the Battery

Re: [RE-wrenches] Low voltage DC v. higher voltage DC

2018-09-21 Thread Harry Mahon
I’ve asked Santa for years…… €¦ still waiting. T On Sep 20, 2018, at 5:21 PM, Chris Schaefer mailto:ch...@solarandwindfx.com> > wrote: Hey Michael from SMA, any chance we can finally get an 240vac SI here in the states? Christopher On Tue, Sep 18, 2018 at 12:11 PM, Harry Mahon <

Re: [RE-wrenches] Low voltage DC v. higher voltage DC

2018-09-21 Thread Harry Mahon
he industry if he had a nickel for every time he was asked for/about that. I’ve asked Santa for years…… still waiting. T On Sep 20, 2018, at 5:21 PM, Chris Schaefer mailto:ch...@solarandwindfx.com>> wrote: Hey Michael from SMA, any chance we can finally get an 240vac SI here in the states? Chri

Re: [RE-wrenches] Low voltage DC v. higher voltage DC

2018-09-18 Thread Harry Mahon
To: RE-wrenches Subject: Re: [RE-wrenches] Low voltage DC v. higher voltage DC Mahalo Mike. Can you tell us please when the SS will actually be able to integrate the BYD battery platform in the north American market? marco On Monday, September 17, 2018, Harry Mahon mailto:michael.ma

Re: [RE-wrenches] Low voltage DC v. higher voltage DC

2018-09-13 Thread Harry Mahon
Marco - The Sunny Boy Storage "Advanced Backup Unit" accessory or ABU will be discussed at SPI in a couple weeks - first units are being stocked now at our warehouses in US. The ABU will allow the SBS to be a grid former in case of utility outage, however there are no plans to have any