MidNite Solar Classic 150 User manual

ATTENTION: Please Read this cover letter
BEFORE installing the Classic
For help with the Classic, Classic Lite or Classic-SL please see
our how to videos and extended documentation. Please visit
this website: www.midnitesolar.com/classic
Before calling tech support, we recommend visiting this
website for some of the most common issues.
Warning: Arc Fault protection is not turned
on by default. (Note neither the Classic Lite
or Classic-SL haveArcFault built in)
The National Electrical Code article 690.11 requires Arc Fault Protection. The Classic has
this built in as standard equipment. This will need to be enabled if so desired.
Please Note: The Arc Fault Protection has adjustable sensitivity and may require some
tuning for your particular system to avoid nuisance tripping. Some house loads like
Table saws and well pumps and other motor loads can actually be seen on the PV circuit
in the Classic appearing similar to DC arcs. We have started with a general average we
have found to work reliably but in some cases this sensitivity level is too high causing
false Arc Fault Alarms. When the Classic goes into Arc Fault, it goes to Resting and will
not charge the batteries. Please consult the manual that came with your Classic for
enabling and or fine tuning of the Arc Fault system.

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DANGER OF DEATH TO YOUR CLASSIC
When the Classic is used with Wind or Hydro a Clipper type device will most likely be
needed to protect against over voltage. A battery based diversion load WILL NOT keep
the Classic safe from over voltage. High input voltage is recorded and over voltage is not
covered under warranty.
Never hook a Pump or other load to the Input side of the Classic. If a Load must be
hooked to the input side of the classic the load and Classic need to have blocking diodes
on them.
Never Parallel 2 Classics onto one PV array. If 2 Classics have to be paralleled for wind
or hydro (NOT SOLAR) there must be blocking diodes on each Classic.
For Larger systems with Large inverters and or multiple inverters (like the Radian or
XW+ for example) it is important to use appropriate sized cables and bus bars or
damage to the inverters or charge controllers can occur. Take a single XW+ E-Panel for
example it has a positive bus bar for Charge controller battery side connections. This
bus bar is sufficient for 2 charge controllers so if you needed 3 or more then you need to
look at the best way to handle the amperage. A Dual Radian for example is actually 4
separate inverters. Proper size cables become very important as well as large enough
battery banks. Most manufacturers of Battery based inverters recommend 100AH of
battery per KW of solar modules. (Please consult the inverter manufacturer for
assistance with cable sizing etc.)

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Standard Classic
This Manual covers models Classic 150, 200& 250 
Este manuel también está disponible en Español. La versión en Español puede encontrar se en nuestra
pagina web en la ficha Documentos y hagaclicen Manuales.

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7KH0LG1LWH6RODU&ODVVLFFKDUJHFRQWUROOHUFRQIRUPVWRUL 1741, Safety for Inverters, Converters, Controllers
and Interconnection System Equipment for Use With Distributed Energy Resources, Second Edition, May 7,
1999 with revisions through January 28, 2010 and
CAN/CSA C22.2 No. 107.1: 2001/09/01 Ed: 3 (R2006)
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Contents
Scope............................................................................................................................................................................. 7
Introduction................................................................................................................................................................. 7
How to KILL Your Batteries..................................................................................................................................... 9
Classic Power Curves................................................................................................................................................ 10
Unpacking the Classic............................................................................................................................................... 12
Removing and installing the front cover on the Classic ........................................................................................ 13
Mounting the Classic ................................................................................................................................................ 14
$OWHUQDWLYH0RXQWLQJ.............................................................................................................................................. 15
'LPHQVLRQV.......................................................................................................................................................... 15
................................................................................................................................................................................. 15
6HDOHGRU9HQWHG ..................................................................................................................................................... 16
“Follow-ME” Charging coordination ..................................................................................................................... 16
Battery Temperature Sensor Installation............................................................................................................... 19
Chassis Grounding.................................................................................................................................................... 21
'&6\VWHP*URXQGLQJ ............................................................................................................................................ 21
DC GFP (Ground Fault Protection)........................................................................................................................ 22
'LVDEOLQJ*)3......................................................................................................................................................... 23
Wiring the Classic..................................................................................................................................................... 23
'&7HUPLQDO&RQQHFWRU.......................................................................................................................................... 26
Over Current Protection and Wire Size Requirements ........................................................................................ 26
&XUUHQW5DWLQJ......................................................................................................................................................... 26
2YHU&XUUHQW3URWHFWLRQ .......................................................................................................................................... 27
/RQJ'LVWDQFH:LUH5XQV ....................................................................................................................................... 27
&RQQHFWLQJWKH&ODVVLFWRWKH&OLSSHU..................................................................................................................... 27
0D[LPXPDQG0LQLPXP:LUH6L]H ....................................................................................................................... 28
Equalization Manual and Auto................................................................................................................................ 29
0DQXDO(4 .......................................................................................................................................................... 29
$XWR(4 .............................................................................................................................................................. 29
Standard Classic programming............................................................................................................................... 30
&RPPLVVLRQLQJWKH&ODVVLF4XLFN6WDUW ............................................................................................................... 30
%DWWHU\&KDUJH6WDJHVDQG0HDQLQJV ..................................................................................................................... 30
5HVWLQJ ................................................................................................................................................................ 30
0RGHLV2)) ....................................................................................................................................................... 30
$GMXVWLQJ$EVRUE(TXDOL]HDQG)ORDW9ROWDJHV ..................................................................................................... 31
&XUUHQW/LPLW........................................................................................................................................................... 31

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6 | Page 10-001-1 REV:H
/('0RGHVDQGWKH³%OLQNLQJ5HG/('´.............................................................................................................. 31
&DOLEUDWLQJ%DWWHU\DQG399ROWDJH ....................................................................................................................... 32
&RQILJXULQJ'&,QSXW6RXUFH ................................................................................................................................. 32
&RQILJXULQJWKH&ODVVLFIRU:LQG,QSXW6RXUFH...................................................................................................... 34
6HWWLQJWKH'DWHDQG7LPH....................................................................................................................................... 34
&RQILJXULQJ$X[LOLDU\,QSXW2XWSXW ....................................................................................................................... 35
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$X[)XQFWLRQ2XWSXW,QSXW ............................................................................................................................. 40
$X[DQG$X[*UDSKV-XPSHUV .......................................................................................................................... 41
$X[9ROWDJH7LPH5HODWLRQ5HOD\Y............................................................................................................. 42
$X[9ROWDJH7LPH5HODWLRQ3:0.................................................................................................................... 42
1DYLJDWLQJWKH0HQX............................................................................................................................................... 44
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&RQQHFWLQJWKH&ODVVLFWR7ZR01*3V1HWZRUNFDEOH......................................................................................... 44
$UF)DXOW ................................................................................................................................................................. 45
9LHZ)DXOWVDQG:DUQLQJV...................................................................................................................................... 46
9LHZ/RJJHG'DWD .................................................................................................................................................. 46
*UDSKLFDO/RJJLQJ'LVSOD\PRGHV.......................................................................................................................... 49
Uploading New Firmware to the Classic................................................................................................................. 51
Connecting the Classic to the Internet .................................................................................................................... 54
1HWZRUNLQJ.............................................................................................................................................................. 54
1HWZRUN6HWXSWKURXJKWKH01*3......................................................................................................................... 55
:HE$FFHVV............................................................................................................................................................. 56
/RFDO1HWZRUN......................................................................................................................................................... 57
Positive Ground systems........................................................................................................................................... 57
Troubleshooting / FAQs........................................................................................................................................... 58
Electrical Specifications............................................................................................................................................ 66
Specifications Mechanical ........................................................................................................................................ 67
Default Battery charge set points............................................................................................................................. 68
Optional accessories.................................................................................................................................................. 68
Regulatory Approval ................................................................................................................................................ 68
Warranty.................................................................................................................................................................... 69
Appendix &ODVVLF%UHDNHUVL]LQJ .............................................................................................................................. 69
/DEHO6HWIURP&ODVVLF ............................................................................................................................................ 74
56-DFN3LQ2XW ................................................................................................................................................ 75

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10 | Page 10-001-1 REV:H
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Classic Power Curves
Table 1