stacking 2 GVFX3648 with Mate 3s

General Talk

Moderators: OutBack, OutBack Moderator Team

Post Reply
Beechigby
Forum Virtuoso
Posts: 81
Joined: Thu May 05, 2011 7:53 pm

stacking 2 GVFX3648 with Mate 3s

Post by Beechigby » Mon Jul 27, 2020 4:03 am

where is best place to find instructions for Stacking 2 GVFX3648 for 240Vac output using Mate 3s

User avatar
EA6LE-ONE
Forum Guru
Posts: 282
Joined: Tue May 05, 2020 7:51 am
My RE system: System 1:
MATE3s, 3 x Radian GS8048A,
4 x FLEXmax 100, HUB10,
2 x EnergyCell 48V 2700RE,
1 x FLEXnet DC, 4 x FLEXware ICS Plus,
54 x PANASONIC VBHN325SA17 325W

System 2:
MATE3s, 2 x VFX3648,
2 x FLEXmax 100, HUB10
1 x EnergyCell 48V 2700RE,
1 x FLEXnet DC, 2 x FLEXware ICS
21 x PANASONIC VBHN325SA17 325W
Location: Providenciales, Turks & Caicos Isl.

Re: stacking 2 GVFX3648 with Mate 3s

Post by EA6LE-ONE » Mon Jul 27, 2020 4:31 am

check the inverter manual and the mate and just follow the instruction for stacking setup. Even if the menus in the inverter manual are from older mates should not be a problem. familiarize yourself first with mate3s menus. be sure that you turn only the battery breaker from inverters and none of the ac output before you start. normally the inverter on port 1 should become master and the one on port 2 will be slave. confirm on the mate before you open the output breakers. Also, be sure that the wiring is done correctly. trace each wire to go to the correct breaker and the connection to the distribution panel.

Mike Curran
Forum Emperor
Posts: 1804
Joined: Sat Aug 28, 2004 6:28 pm
My RE system: Outback - Garage roof:
- 8 (2x4) Evergreen 180's into one FM80 (2007/2020 - replaced MX60)
- 6 (2×3) ALEO S79-300's into one FM80 (2017)
- 2 grid-tied GVFX3524's classic stacked for 120/240VAC (2007)
- 12 Surrette/Rolls 2V x 1766Ah (2007)
- Hub10.3, Mate3s, FNDC, RTS, OpticsRE. Tigo Energy ES maximizers on each PV module.

Westinghouse Solar - Barn roof: (2012)
- 30 (2x15) 235W panels with Enphase M215 microinverters, grid-tied

Outback Skybox - Barn roof: (2019)
- 14 Talesun 275W in series (DC array input to SB inverter/charger)
- 3 SimpliPhi 3.8 batteries, 48V, 225Ah total
- AC coupled input (manual switch during grid outage only) from 14 Talesun 275W,
Enphase M215 microinverters, normally direct grid tied

All self-designed and self-installed
Location: Chagrin Falls, Ohio

Re: stacking 2 GVFX3648 with Mate 3s

Post by Mike Curran » Mon Jul 27, 2020 8:27 am

FX manual:
gtfx_gvfx_series_programming_manual.pdf
(637.22 KiB) Downloaded 41 times
Mate3s programming guide:
Screenshot_20200727-112618_Adobe Acrobat.jpg
http://www.tigoenergy.com/site.php?95b2dca2-ca6c
https://enlighten.enphaseenergy.com/public/systems/Hctc107221

Post Reply