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MidNite Classic 150-SL Owner'S Manual Download Page 5

Classic SL owner’s manual REV E 2056 

 
 
 

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Battery Temperature Compensation

 ....................................................................................................................... 19 

Battery Temperature Sensor Installation

 ............................................................................................................... 19 

Chassis Grounding

 .................................................................................................................................................... 21 

DC System Grounding

 ............................................................................................................................................ 21 

DC GFP (Ground Fault Protection)

 ........................................................................................................................ 22 

Disabling GFP

 ......................................................................................................................................................... 23 

Commissioning the Classic SL (Quick Start)

 ......................................................................................................... 23 

Equalization

 ............................................................................................................................................................... 23 

Battery Charge Stages and Meanings

 ..................................................................................................................... 23 

Resting

 ................................................................................................................................................................ 24 

Mode is OFF

 ....................................................................................................................................................... 24 

Adjusting Absorb, Equalize and Float Voltages

 ..................................................................................................... 24 

Current Limit

........................................................................................................................................................... 25 

Calibrating Battery and PV Voltage

 ....................................................................................................................... 25 

Configuring DC Input Source

 ................................................................................................................................. 25 

Setting the Date and Time

 ....................................................................................................................................... 26 

Troubleshooting / FAQs

 ........................................................................................................................................... 27 

Electrical Specifications

 ............................................................................................................................................ 35 

Specifications Mechanical

 ........................................................................................................................................ 36 

Classic Breaker sizing

 ............................................................................................................................................. 37 

 

Scope 

This Manual provides safety guidelines and installation information for the Classic SL charge controller. It does not 
provide brand specific information about photovoltaic panels, batteries etc.  Contact the manufacturer of other 
components in the system for relevant technical data. 

Introduction 

The MidNite Classic SL charge controller was designed as a SOLAR only charge controller. The Classic 150-SL, 
200-SL and 250-SL are designed to work with 12, 24, 36, 48, 60 and 72 volt battery banks.  
The Classic SL can be installed stand alone or as a multi-unit networked installation. 
 
Standard features of the Classic SL charge controller include: 
*3 input operating voltage ranges 150, 200 and 250 VDC 
*Graphical display 
*Previous 380

 

days of operational data logged 

 
 

Summary of Contents for Classic 150-SL

Page 1: ...e Classic will not survive MidNite does not recommend the use of Tigo Module Optimizers with the Classic If Tigo modules must be installed Legacy P O MUST be used When the Classic is used with Wind or...

Page 2: ...erters 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...

Page 3: ...Classic SL owner s manual REV E 2056 3 P a g e 1 0 0 0 1 3 R E V E This Manual covers models Classic 150 SL 200 SL 250 SL...

Page 4: ...to the accuracy sufficiency or suitability of any technical or other information provided in its manuals or other documentation b Assumes no responsibility or liability for loss or damage whether dire...

Page 5: ...Mechanical 36 Classic Breaker sizing 37 Scope This Manual provides safety guidelines and installation information for the Classic SL charge controller It does not provide brand specific information a...

Page 6: ...ctions must be kept separate from the grounding conductor connections The equipment ground terminal inside the Classic must be connected to Earth Ground for the internal DC GFP to work With the except...

Page 7: ...ttery manufacturer for details WARNING PERSONAL PRECAUTIONS DURING INSTALLATION WARNING BATTERIES PRESENT RISK OF ELECTRICAL SHOCK BURN FROM HIGH SHORT CIRCUIT CURRENT FIRE OR EXPLOSION FROM VENTED GA...

Page 8: ...Classic SL owner s manual REV E 2056 8 P a g e 1 0 0 0 1 3 R E V E Classic SL Power Graphs Sizing the Solar Array Table 1 Table 2 Table 3...

Page 9: ...ller needs to have the open circuit voltage of the array about 30 higher than the highest battery voltage you plan to charge to NOTE You can find the Classic string sizing tool on the web page www mid...

Page 10: ...screened Parts bag with stickers Terminal block cover and silicone grease User s manual printed Email customerservice midnitesolar com for more information or if anything is missing or damaged Figure...

Page 11: ...cover in place See Figure 2 Do not force the cover if it does not seat into place easily stop and look for any cables or wires that may be interfering With the cover seated in place install the four...

Page 12: ...and 2 plastic bushings are included with each E Panel One locknut acts as a spacer Carefully hang the Classic on the screw in the bracket and slide it over the close nipple see figure 4 Install the l...

Page 13: ...ng the Classic front cover ALWAYS use proper Over current devices and disconnects on the PV and Battery at the Classic MidNite DC breakers work well for both WARNING to comply with Australian New Zeal...

Page 14: ...on the DC terminal connector big blue terminal connector are Up to 10 AWG torque to 25 35 inch pounds 8 AWG torque to 30 40 inch pounds 6 AWG or above Torque to 40 50 inch pounds HyperVOC HyperVOC is...

Page 15: ...battery cable to this bus bar 22 Earth Ground Bus Bar This is the common Earth Ground bus bar where all the grounds get wired back to and it needs to be connected to the building s ground rod system 2...

Page 16: ...Classic SL owner s manual REV E 2056 16 P a g e 1 0 0 0 1 3 R E V E Diagram 1...

Page 17: ...he parts bag Maximum and Minimum Wire Size The Classic s Blue DC terminal connector will accept wire from 14 4 AWG The Classic s Aux 1 and 2 terminal connector will accept wire up to 18 AWG WARNING Ex...

Page 18: ...late rating in extreme situations so the safe minimum wire size should be selected for the PV array maximum short circuit current Please consult PV manufacturer for specifications The US National Elec...

Page 19: ...k of injury charge only properly rated such as 6 V 12 V and 24 V lead acid GEL AGM Flooded or Nickel Cadmium rechargeable batteries Other battery types may burst causing personal injury and damage WAR...

Page 20: ...Classic SL owner s manual REV E 2056 20 P a g e 1 0 0 0 1 3 R E V E Figure 8 Insert BTS to the jack labeled BATTERY TEMP on the control board Figure 9...

Page 21: ...ical connection compartment Figure 10 DC System Grounding The Classic charge controller is designed to work with Negative Ground Positive Ground or Ungrounded power systems In grounded systems dc nega...

Page 22: ...12 The Ground fault device is simple to understand and use It detects a fault between battery PV negative and earth ground just like the breaker DC GFP system The difference with the Classic is that i...

Page 23: ...e the Quick Set Equalization To do a manual Equalization charge go into the Charge menu and highlight EQ and press Enter Now EQ Stopped will be highlighted Scroll up to select Eq Started Press the Sta...

Page 24: ...the bottom right corner of the display then the Mode may have been turned off To turn the mode back ON push the Main Menu button several times until Charge is highlighted Scroll to the right until Mo...

Page 25: ...he Enter Button Press the right arrow key to highlight the Out Amps column Use the up and down arrow keys to change the current limit then press the Enter Button to save this data Calibrating Battery...

Page 26: ...if the power source goes off It has two settings that are user adjustable Sweep Interval is the time between mini sweeps in minutes and sweeps around the present i e the last found MPP Voltage The ran...

Page 27: ...LL settings Turn the PV breaker and Battery breaker off What you don t have a breaker Get one asap and make sure the display has gone dark Do a hardware factory restore There are 4 sets of jumpers dir...

Page 28: ...the PV positive and negative on the blue terminal block inside the Classic If the system has been running all along and this just happened call customer service The Display is showing all 0s and or G...

Page 29: ...e Classic up Count to 4 before turning the breaker on If you do not have a breaker or disconnect and you are trying to connect a wire to a terminal block or a battery the connection will likely be to...

Page 30: ...because it has reached the current limit you have set in the Charge menu under limits or because it is to hot and it is backing its current down to prevent overheating Go into the Main menu and the C...

Page 31: ...en or I don t see all the settings shown in the manual If the WBjr status menu is not present or does not match the manual then you most likely have older firmware We recommend updating the firmware a...

Page 32: ...c Lite powered on Now you can change the network settings on the Local App if you want Note setting switches to custom first and then powering the Classic Lite can cause issues trying to connect as it...

Page 33: ...ll 6 pins inside the jack Carefully so as not to bend the pins the fans should all start spinning How do I find the Wizard You won t we removed the wizard as it asked a lot of questions that did nothi...

Page 34: ...o the right of this it will say the battery voltage it is programmed to Example 48v I have Aux1 programmed properly but I cannot get 12v out of it when I should Most likely the Jumpers on the bottom l...

Page 35: ...t 24v battery 65a at 48v battery 60a at 12v battery 62a at 24v battery 55a at 48v battery De rate current at 40 C 80 amperes 66 amperes 52 amperes Environment 40c to 40c Dimensions of Classic 14 87 X...

Page 36: ...Classic SL owner s manual REV E 2056 36 P a g e 1 0 0 0 1 3 R E V E Specifications Mechanical Figure 13...

Page 37: ...Classic SL owner s manual REV E 2056 37 P a g e 1 0 0 0 1 3 R E V E Classic Breaker sizing Table 7...

Page 38: ...Classic SL owner s manual REV E 2056 38 P a g e 1 0 0 0 1 3 R E V E...

Page 39: ...Classic SL owner s manual REV E 2056 39 P a g e 1 0 0 0 1 3 R E V E...

Page 40: ...Classic SL owner s manual REV E 2056 40 P a g e 1 0 0 0 1 3 R E V E...

Page 41: ...Classic SL owner s manual REV E 2056 41 P a g e 1 0 0 0 1 3 R E V E Table 8...

Page 42: ...Float Constant voltage charge stage with a lower voltage than the Absorb charge point The controller is regulating so maximum power will not be seen at this time Float MPPT Maximum current charge sta...

Page 43: ...erature sensor to measure the ambient temperature of the battery bank and will adjust the voltage set points up or down accordingly to ensure a full battery There are 3 parameters to set Minimum and M...

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