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SURGE PROTECTIVE DEVICE INSTALLATION MANUAL

1. thereof is given to MIDNITE SOLAR within ninety 90 days of such product delivery to customer MIDNITE SOLAR is not responsible for loss or damage to other products owned by customer and beyond MIDNITE SOLAR s control This warranty is in lieu of all other warranties expressed or implied MIDNITE SOLAR INC 17722 67TH AVE NE UNIT C ARLINGTON WA 98223 Email info midnitesolar com PH 425 374 9060 FAX 360 691 6862
2. 0A 1000A PEAK CURRENT 10 055 1 Rev A Date 01 30 2013 DANGER DANGER Electrical shock or burn hazard Installation of this SPD should only be made by qualified personnel Failure to lockout electrical power during installation or maintenance can result in fatal electrocution or severe burns CAUTION Check to make sure system voltages do not exceed the SPD voltage requirement and the correct SPD voltage model has been selected CAUTION This unit must be installed in accordance with the National Electrical Code ANSI NFPA 70 and applicable local codes CAUTION Ungrounded power systems are inherently unstable and can allow excessively high line to ground voltages during certain fault conditions During these fault conditions any electrical equipment including an SPD may be subjected to voltages which exceed their designed ratings This information is being provided to the user so that an informed decision can be made before installing any electrical equipment on an ungrounded power system ATTENTION les syst mes d alimentation sans terre sont intrins quement instables et peuvent produire des tensions de ligne trop lev sol au cours de certaines conditions de d faut Au cours de ces conditions de d faut tout quipement lectrique y compris un SPD peut tre soumis des tensions qui d passent leurs notations concu Cette information est fournie l utilisateur afin qu une d cision clair e puisse tre prise
3. 10 055 1 Rev A Date 01 30 2013 14000 Burn Rd Arlington WA 98223 inhlirg Z SCLAR inc Lh rl Ph 425 374 9060 wma SURGE PROTECTIVE DEVICE INSTALLATION MANUAL n LE Nu pati n g ami 1903 Q4 20 CEREQUENCY 0 500HZ E zu Ano TOV 470V 780 The MidNite Solar Surge Protective Device MNSPD is a Type 2 device designed for indoor and outdoor applications Engineered for both AC and DC electric systems it protects both transformer and transformer less inverters without interfering with the GFP protection circuit it provides protection to service panels load centers or where the SPD is directly connected to the electronic device requiring protection Maximum protection will only be achieved if the SPD is properly installed Please read the following installation manual carefully and follow the instructions 10 055 1 Rev A Date 01 30 2013 The MidNite Solar SPD is offered in three different voltages to maximize the required protection level Protection is achieved by reducing the clamping voltage to a safe voltage that your system can sustain without damaging any electronics in the system By using the chart on page 2 select the SPD s that provide the protection your system requires The MidNite Solar SPD voltage rating should be chosen according to the nominal voltage of the system Do not install an SPD with Maximum Continuous Operating Voltage MCOV below the nominal voltage of the system this will deteriorate t
4. ation shown in a MidNite Solar 120v E Panel Installation shown i a MN PVIZ Configured for 2grid tie inverters The following represents a wiring diagram of SPD s in a typical system INSTALLATION SHOWN WITH MIDNITE SOLAR E PANEL AND COMBINER BOX SPD CAN BE USED WITH ANY ELECTRIC PANEL THAT IS WITHIN THE SPD RATINGS fig 1 4 Lost To om SPD CONNECTED TO MAIN ELECTRIC PANEL PROTECTS FROM INDUCTIVE COUPLING AND VOLTAGE SURGES AC Jt ES p v qu PV COMBINER be Ee BOX X pe Ei e Ho EJ rs EIE EPEA f as tt j UCET Jie EMIL 5 EECXGSGSGSS MAIN ELECTRIC DISTRIBUTION PANEL PV INPUT HAVING SURGE PROTECTION ON THE GRID SIDE AS WELL FROM GRID AS IN THE PV SIDE PROVIDES THE BEST PROTECTION FROM ANY ANOMALIE ON THE OUTSIDE WORLD 10 055 1 Rev A Date 01 30 2013 Figure 1 5 In a utility connected home one of the most vulnerable points of entry is the service entrance panel All house wiring connects to the service entrance panel and therefore everything plugged in is at risk The MidNite SPD300 provides protection against near lightning strikes up to 100 000 amps of surge current Hooking up to the service entrance can be done in a few different ways Figure 1 6 shows the two hot wires connected to a 240V circuit breaker The circuit breaker in this case has no other house loads and is dedicated strictly to the SPD This was done just to have a convenient place to conne
5. avant l installation de tout quipement lectrique sur un syst me d alimentation sans fondement NOTICE Do not cut wires until the SPD is mounted and minimum wire lengths have been verified AII connection leads should be cut to minimum possible length never coil or push aside excess length INSTALLATION INSTRUCTIONS 1 Verify system voltage Measure L N L G L L and N G of the AC system DC systems measure from positive and negative input Confirm that the SPD is correctly rated for the system to which it is to be connected to Do this by comparing the measured voltages to the SPD voltage ratings shown on the product s rating label The measured voltage should NOT BE ABOVE the maximum continuous operating voltage MCOV of the surge protector device rating during normal operation Some circuits like PV arrays may need to be calculated for worst case maximum operating voltages 2 Identify proper location for the SPD Locate the unit as close as physically possible to the panel being protected and as close to the electrical connection as possible Avoid excess lead lengths and the need for sharp bends in the wires Refer to fig 1 1 and fig 1 2 as an example 3 Install green wire to the GROUND bus bar In AC circuits it is not uncommon to connect the green wire to AC neutral install the white sleeving over the green wire when connecting to AC neutral Make sure the green wire takes the shortest path to earth ground 4 Connect phase condu
6. ct the hot leads of the SPD to the panel It is not required to have a circuit breaker or fuse in series with the SPD The SPD has its own internal fusing Figure 1 6 10 055 1 Rev A Date 01 30 2013 Figure 1 7 shows a more economical method to connect the SPD to the service entrance distribution panel This installation utilizes a 240V breaker that is already in use This could be a deep well pump air conditioner etc Unless the circuit breaker is listed to have two wires connected you must pigtail the wiring as shown Breakers that are listed for two wires are very rare so this method of installing the SPD is probably your best bet Figure 1 7 Some homes have surface mounted distribution panels Those are easy to add an SPD to Simply pop out a 7 8 diameter knockout and mount the SPD on the hole Other homes have service entrances that are flush mounted and are not exposed This type of installation will benefit from the MidNite SPD Flush mount box Cut a hole in the sheet rock close to the distribution panel and mount the box in the hole Secure the box after wiring is completed using drywall anchors Make sure to grommet the hole in the distribution box Figure 1 8 MIDNITE SOLAR INC LIMITED WARRANTY MidNite Solar Surge Protection Device SPD Midnite Solar Inc warrants to the original customer that the SPD products shall be free from defects in materials and workmanship for a period of five 5 years At its opt
7. ctors The phase wires are black and red in color The orientation is not critical to the operation AC With the POWER OFF connect one wire to AC HOT IN line and other wire to AC HOT OUT load as shown in fig 1 2 DC connect the red wire to PV and the black wire to PV or battery minus PV combiners get installed as shown in figure 1 1 5 Apply voltage to SPD Both LED s in the SPD should glow blue as a sign that voltage is present in system SPD is connected correctly and working and the system is protected Note LED s will only be on when voltage is present In PV circuits the lights will go out at night because arrays are not producing voltage This does not indicate that the SPD is broken If voltage is present and the blue LED s are off the SPD needs repair When connecting one half of the SPD to PV and ground the PV led will not light The circuit is protected but there is normally no voltage between PV and ground 10 055 1 Rev A Date 01 30 2013 Note 1 This product Contains No Serviceable Parts 2 USESUPPLY WIRE SUITABLE FOR 90 C The conductors used to connect the SPD to the line or bus shall not be any longer than necessary and shall avoid unnecessary bends fig 1 2 Use screw and a washer for terminal connection On MNPV combiner PV PLUS BUS fig 1 1 red wire AC IN black red AC OUT black red wire GROUND green wire BATTERY NEGATIVE black wire BINIOLAESR ATI Install
8. he SPD and making it unavailable when you most need it Midnite Solar Surge Protection Device Part No MNSPD115 0 to 90 VAC Nominal Voltage 0 to 115 VDC MCOV VRMS 1mA 180V 162 198 ClampV 100A Current 8 20us ci 100kA Full Device l jpeg odds 50kA Each Section Current 1120 J Full Device LEPIDE n 560 J Each Section Up to 90 VAC circuits Suggested Placement 12V 24V 48V DC battery circuits 8 009 1 MNSPD300AC and DC MNSPD600 0 to 250 VAC AC model 0to485 VAC 0 to 300 VDC DC model 0 to 600 VDC 470V 423 517 TISN 100kA Full Device 50kA Each Section 3130 J Full Device 1560 J Each Section 120 240V AC circuits offgrid PV combiners and charge controller inputs up to 300VDC 780V 702 858 1290V 100kA Full Device 50kA Each Section 4320 J Full Device 2160 J Each Section 316V 480V AC circuits Grid tie PV combiners Grid tie inverter input SPD300AC LED indicators when voltage is present between Diagnostics Operating Temperature Range Nominal Discharge Current INA Thermal Disconnector Internal Response time 1600 1400 1200 1000 800 600 MAXIMUM PEAK VOLTAGE 400 115V SPD 300V SPD 600V SPD L1 Ground and L2 ground SPD115 300DC and 600 LED Indicators when voltage is present between DC and DC 40 c to 85 c 20kA Internal lt 15n sec CLAMPING VOLTAGE VS CURRENT ee 100uA 1mA 10mA 100mA 1A 10A 10
9. ion Midnite Solar will repair or replace at no charge any SPD that proves to be defective within such warranty period This warranty shall not apply if the Midnite Solar product has been damaged by unreasonable use accident negligence service or modification by anyone other than Midnite Solar or by any other causes unrelated to materials and workmanship The original consumer purchaser must retain original purchase receipt for proof of purchase as a condition precedent to warranty coverage To receive in warranty service the defective product must be received no later than two 2 weeks after the end of the warranty period The product must be accompanied by proof of purchase and Return Authorization RA number issued by Midnite Solar For an RMA number contact Midnite Solar Inc 17722 67th Ave NE unit C Arlington WA 98223 425 374 9060 Purchasers must prepay all shipping charges to Midnite Solar product under this warranty policy Except for the warranty that the products are made in accordance with the specifications therefore supplied or agreed to by customer MIDNITE SOLAR MAKES NO WARRANTY IF SPD MCOV RATING IS CHOSEN BELOW SYSTEM S NOMINAL VOLTAGE Products will be considered accepted by customer unless written notice to the contrary is given to MIDNITE SOLAR within ten 10 days of such delivery to customer MIDNITE SOLAR shall not in any case be liable for any event occurring or defect discovered with regard to said product unless written notice

SURGE PROTECTIVE DEVICE INSTALLATION MANUAL

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