MidNite Solar’s Disconnecting Combiners and the new 2014 NEC Rapid system shut down

altE Dealer Conference 2014

MidNite Solar’s

Disconnecting Combiners and Rapid System Shut

Down.Presented by

Ryan StankevitzMidNite Technical Support Manager

MidNite Solar 360-403-7207

MidNite Offers The Main Stay In Non-Disconnecting Combiners


MNPV6 being installed(Our most popular combiner)


MNPV3 Installed(Our second most popular)


We offer all of our combiners pre-wired with MC4 connectors


Based on the MNPV6• AC and DC rated• 120/240 3 circuit AC• 150 Volt 6 circuit DC• 300 Volt 3 circuit DC• 1- 120/240 AC and 1-

600VDC • Lockable

MNPV6- Disco


The inner workings Of the MNPV6 Disco


MNPV4HV-BasicDisconnecting 4String Combiner


MNPV4HV Deluxe

COMES WITH:• Fuse holders installed• Strain Reliefs and hole plugs• SPD600 (lightning

protection)• Birdhouse compatible • Rapid system shutdown

compatible• Lockable

MNPV4HV Wiring


MNPV6HV Disco 4X

• COMES WITH:• Fuses & fuse holders installed• Strain reliefs and hole plugs• SP600 (lightning protection) • Pre-punched holes

MNPV6HV Wiring


MNPV8HV –Disco3R or 4X

• 3R or 4X versions• Convertible (all bus bars

included)• 8 strings to a single

inverter 175 amps output• 4 and 4 to 2 separate

inverters (100 + 100 amps output)

• 4 strings to a transformer less inverter (100 amps output)

• SPD600 included (second needed for 4+4)

• Hole Plugs and strain reliefs included

• Fuses and fuse holder included

8 Parallel strings (As shipped)


Convertible Combiners• High current copper bus bars

supplied for all configurations

• Some configurations allow for the removal of two 200 amp 600V insulated bus bars

• Extra hole plugs are useful elsewhere

• Recycle bus bars and buy yourself a pizza

• 4 strings to a transformer less inverter (100 amps output)

• SPD600 included (second needed for 4+4)

• Hole Plugs and strain reliefs included

• Fuses and fuse holder included

MNPV8HV 4 + 4

MNPV8HV Non isolated transformer less


MNPV16HV-Disco 4XSame features as the MNPV8HV


NEMA 4X Testing

• Gasket was totally redesigned• Paint was changed to smooth

not textured• Silicone added to hinge and

latch rivets• 10,000 hole plugs scrapped

and redesigned• Seal screws incorporated• Welded seams improved• The competition does not meet

the criteria


NEMA 4X Testing

• Is a plastic, fiberglass or steel box going to be water tight 20 or 30 years down the road?

• Will the plastic boxes turn to dust in Phoenix?

• Will the steel boxes rust out in Seattle?

• Will the paint still be on the aluminum MidNite boxes 50 years from now?


Emergency DisconnectThe Birdhouse

Hardwired to one or many Disconnecting combiners and our Battery Disconnect modules using our custom 600V USE-2 90C CAT5 cable


2014 NEC Rapid Shutdown

Proposed changes to NEC 690.12 Rapid shutdown of PV systems on buildings

Requires PV array combiner and inverter battery terminals to be shut down below 30VDC in TEN SECONDS


Rapid Shutdown

• Rapid shutdown system for battery based systems

• Multiple combiners and inverters supported


Rapid ShutdownMultiple breaker styles that are compatible with the Rapid Shutdown System


On the Horizon

Flush mount (With Flashing) roof top disconnect.Simple Birdhouse1000v Combiner/DisconnectsArc Fault Combiners2 Channel Disconnect for a 2 Channel MPPT Non Isolated Inverter

Questions?

Ryan StankevitzMidNite Solar Inc.360-403-7207 XT [email protected]

AltE Store1-877-878-4060

mailto:[email protected]

Documents

MidNite Solar’s Disconnecting Combiners and the new 2014 NEC Rapid system shut down