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1. 9 JE E Q 9 a Ke fg o o flo 9 DC System Grounding point Electrode Conductor i e ground busbar Je AL Battery Temp Sensor Cable MS Series Inverter Charger front view OO ho I nverter s DC Negative Busbar e I nverter s DC Positive Busbar Inverter s Equipment Ground Wire MMP enclosure for single inverter installations includes DC disconnect breaker DC shunt for battery monitor and inverter DC busbars If multiple inverters will be installed see the MP enclosures designed to allow up to four inverters to be connected together Battery Bank s Equipment Ground Wire Battery Bank s Negative Cable Battery Bank s Positive Cable T cA T T Battery Bank Figure 2 4 DC and Battery Temperature Sensor Wiring Page 15 2012 Magnum Energy Inc Installation 2 4 1 DC Wire Sizing It is important to use the correct sized DC wire to achieve maximum efficiency from the system and to reduce fire hazards associated with overheating Always keep your wire runs as short as practical to prevent low voltage shutdowns and to keep the DC breaker from nuisance tripping or open fuses because of increased current
2. 63 Limited Warranty acascesesidiedesbs n wai iu EE EE EM UE 65 How to Receive Repair Service xunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnune 65 2012 Magnum Energy Inc Page vi List of Figures Figure 1 1 Power Switch Status LED and Accessory Connection Ports eere 2 Figure 1 2 Electrical NNEN NPE 3 Figure 1 3 Left Side Features MS2012 MS2812 MS2024 MS4024 eeeenn m nnne 4 Figure 1 4 Left Side Features MS2000 Series 25 Put E quw els nhrE ovas cs es 5 PELS NNN NN 6 Figure 2 1 Simplified Installation Diagram for Permanent Installations 9 Figure 2 2 Approved Mounting POSITIONS usa a dusue dues kadawirbafveidvavwasipbs vei pee dtie eat 11 Figure 2 3 MS Series Dimensions and Side Reference sise ssseeeeeenre 12 Figure 2 4 DC and Battery Temperature Sensor Wiring URL 15 Figure 2 5 Battery Hardware NNN 17 Figure 2 6 Inverter DC Hardware Installation nssssssssssssssnsnsnssssnsnsnsnennunnnnnsnnnrernnnnenne 17 HUE Battery Temperature SE Eai aE 19 Figure 2 8 NTK 22 Figure 2 9 AC Wiring for Single In Single Out 30 A Configurations 25 Figure 2 10 AC Wiring for Single In Single Out 60 A Configurations 26 Figure 2 11 AC Wiring for Single In Dual Out Configurations een mmm nnne 27 Figure 2 12 AC Wiring for Dual In Single Out Configurations eee nnne 28 Figure 2 13 AC Wiring for Dual In Dual
3. 2012 Magnum Energy Inc Page 60 Appendix B Battery Information overcurrent protection to 12 VDC ring 12 VDC inverter 12 VDC 100 AH battery total capacity 100 AH 100 AH 12 volt battery bank one string of one 12 volt battery overcurrent protection 5 to 12 VDC Series String 6 VDC inverter 6 VDC 6 VDC gt battery battery total capacity 200 AH 200 AH 200 AH 12 volt battery bank one string of two 6 volt batteries wired in series overcurrent protection 12 VDC 12 VDC to 12 VDC inverter Parallel String gt battery battery 100 AH 100 AH total capacity 100 AH 100 AH 00 AM 12 volt battery bank parallel two 12 volt batteries Parallel String 200 AH 200 AH overcurrent protection 9 e amp 6 VDC Series Strin J battery battery to 12 VDC 6 VDC 6 VDC 200 AH 200 AH f Inverter total capacity 400 AH Series String 6 VDC 6 VDC 6 VDC battery 200 AH 12 volt battery bank two strings of two 6 volt batteries wired in series and connected in parallel Figure B 4 Battery Bank Wiring Examples 12 volt Page 61 2012 Magnum Energy Inc Series String 12 VDC 12 VDC Series String 6 VDC 6 VDC 6 VDC 6 VDC Series String 12 VDC 12 VDC Series String gt 12 VDC 12 VDC Series String 6 VDC 6 VDC 6 VDC 6 VDC Series String 6 VDC 6 VDC 6 VDC 6 VDC 12 VDC battery 100 A
4. AA A Ve TILT weer MS Series Pure Sine Wave Inverter Charger Owner s Manual B i TM Ba n rune EvU ITF S E AN EE GP eae Em PPT TITT FN Ff F GF Disclaimer of Liability The use of this manual and the conditions or methods of installation operation use and maintenance of the MS Series inverter charger is beyond the control of Magnum Energy Inc Therefore this company does not assume responsibility and expressly disclaims liability for loss damage or expense whether direct indirect consequential or incidental that may arise out of or be any way connected with such installation operation use or maintenance Due to continuous improvements and product updates the images shown in this manual may not exactly match the unit purchased Restrictions on Use The MS Series inverter charger may only be used in life support devices and systems with the express written approval of Magnum Energy Failure of this inverter can reasonably be expected to cause failure of that life support device or system or to affect the safety or effectiveness of that device or system If the MS Series inverter fails it is reasonable to assume the health of the user or other persons may be endangered Copyright Notice Copyright O 2012 by Magnum Energy Inc All rights reserved Permission to copy distribute and or modify this document is prohibited without express written permission from Magnum Energy Inc Document Information Descr
5. S AC GROUND CS AC GROUND WHITE w TAN NEUT OUT MA A RITT AC HOT 1 OUT In mobile installations neutral is typically not connected to ground in the main panel Maximum 30 amp breaker single pole required to inverter AC input NO NO ON OFF OFF OFF OFF OFF OFF Ee Fle Fle EE e Fle Fle NO NO NO ON 120 120 VAC VAC Main Panel Sub Panel and Outlets Utility Power Generator Input Inverter Loads Figure 2 14 AC Wiring for MS2000 Models 2012 Magnum Energy Inc Page 32 Installation Has optional 15 amp or 20 AC Terminal Block amp branch rated circuit AC input and output wiring breakers on side of unit MS2000 15B NV MS2000 20B Inverters mE AC NEUT IN GREEN e AC GROUND AC GROUND x2 H WHITE w BLACK Fi AC NEUT OUT H WHITE w BLACK gt AC NEUT OUT BLUE AC HOT 1 OUT AC HOT 2 OUT ORANGE fe 120 120 VAC VAC SDAI DAI DAR D D 7 2808 9800080 Direct from inverter Inverter Loads Maximum 30 amp breaker single pole required to inverter AC input EE e Eo Fle EE e EE e EE e OFF OFF OFF OFF OFF OFF Main Panel Utility Power Generator Input Figure 2 15 AC Wiring for MS2000 15B 20B Models Page 33 2012 Magnum Energy Inc
6. Wear eye protection such as safety glasses and avoid touching your eyes and face when working with batteries to keep any fluid corrosion on the battery from coming in contact with eyes and skin Have plenty of fresh water and soap nearby and thoroughly wash in case battery acid contacts skin clothing or eyes In the event of exposure to the eyes flood them for at least 15 minutes with running water and seek immediate medical attention Baking soda neutralizes lead acid battery electrolyte and vinegar neutralizes spilled NiCad and NiFe battery electrolyte depending on your battery type keep a supply on hand near the batteries Remove all jewelry such as rings watches bracelets etc when installing or performing maintenance on the batteries and inverter battery can produce a short circuit current high enough to weld metal jewelry causing severe burns Never work alone Always have someone within the range of your voice or close enough to come to your aid when working around batteries Use proper lifting techniques when working with batteries Never use old or untested batteries Check each battery s label for age type and date code to ensure all batteries are identical Batteries are sensitive to changes in temperature Install batteries in a stable environment Batteries can produce explosive gasses so install batteries in a well ventilated area For compartment or enclosure installations always vent batteries from the highest point
7. 2 5 D D 5 c jaued uretu wo jaued urew woul NI Ln3N OV Maximum 30 amp breaker double pole required to inverter AC input ON ON ON ON ON ON all ll NO NO NO NO NO NO OO oo FEI EE e FEI FEI EE e EE e 120 120 VAC VAC Main Panel Sub Panel and Outlets Utility Generator Input Inverter Loads Figure 2 12 AC Wiring for Dual In Single Out Configurations 2012 Magnum Energy Inc Page 28 Installation AC Terminal Block AC input and output wiring MS Series Inverter BA A RITT jaued qns 03 LNO Ln3N DV jaued qns o3 LNO LOH DV jaued qns o3 LNO T LOH DV NI Z LOH DV NI T LOH DV p o 3 3 9 5 D D 5 D jaued ureuu woul jaued ulew wos NI LNAN DV lo Oo MIS HT lo L OFF OFF E B i NO NO ON ON e mJ T fe mJ TJ E zi M Maximum 30 amp breaker 440 3440 440 440 440 440 OFF OFF OFF OFF OFF OFF double pole required to 1 inverter AC input AD AN ZN UL 240 120 120 VAC only VAC VAC in standby Main Panel Sub Panel and Outlets Utility Generator I nput Inverter Loads Figure 2 13 AC Wiring for Dual In Dual Out Configurations Page 29 2012 Magnum Energy Inc Installation 2 5 7 AC Conductor Wiring MS2000 models The MS2000 offers a cost effective alternative to the MS2012 while still providing the same fea tures T
8. AC loads connected to the inverter s output e Standby Mode When an external source of AC power i e utility power or generator is connected and qualified on the inverter s AC input it operates in Standby mode In Standby mode the unit operates as a battery charger to convert the incoming AC power into DC power to recharge the batteries and at the same time automatically closes an internal AC transfer relay to pass the incoming AC power directly to the inverter s output to continue powering the connected electrical appliances 1 2 1 I nverter Applications for Permanent I nstallations An inverter can be used for backup power in a permanent location that normally uses utility power such as a home or office When utility power is available the inverter keeps the batteries charged When the utility power fails the inverter comes on automatically to supply AC power to your home or office during the power failure For a home or business reliable backup power is needed to prevent lost computer data or to maintain lights and keep food fresh in the refrigerator freezer In some areas where utility power is not available this inverter can be used in a standalone renewable power system The inverter allows AC electrical appliances to be run from the storage battery bank When the battery bank becomes discharged either renewable DC sources solar wind or hydro power can be used to recharge the batteries or a generator can be connected to
9. Figure 1 3 to access the internal AC terminal block see Figure 2 8 2 Route the wires hot neutral and ground from the AC electrical main panel through one of the strain relief clamps on the inverter Item 8 Figure 1 2 Tighten the strain relief clamp securely on the wires Always leave a little extra slack in the wiring 3 Connect the hot wire BLACK from the main panel s dedicated breaker to the inverter s HOT 1 IN terminal Tighten the HOT 1 IN terminal to 16 in Ibf 1 8 N m Info You must connect to the HOT 1 IN terminal if you want to use the battery charger I nfo Depending on the AC wiring configuration you may need to connect a wire to the HOT 2 IN terminal refer to your configuration drawing Figure 2 10 to 2 13 4 Connect the neutral WHITE from the main panel s neutral busbar to the inverter s NEUT IN terminal Tighten the NEUT IN terminal to 16 in Ibf 1 8 N m Wiring the I nverter AC Output 1 Route the wires hot neutral and ground through the unused strain relief clamp on the inverter Item 8 Figure 1 2 to the AC electrical sub panel or outlets if using the output breaker versions Tighten the strain relief clamp securely on the wires 2 Connect the hot BLACK wire from the inverter s HOT 1 OUT terminal to the sub panel s main breaker or to the hot connections on the outlets if using the output breaker versions Tighten the HOT 1 OUT terminal to 16 in Ibf 1 8 N m I nfo Depending on the
10. Installation 2 6 Grounding Inverters The inverter charger should always be connected to a permanent grounded wiring system An inverter system that is properly grounded will limit the risk of electrical shock reduce radio frequency noise from the inverter and minimize excessive surge voltages induced by lightning This is done by ensuring there is a well defined very low resistance path from the electrical system to the grounding system This low resistance path helps stabilize the electrical system voltage with respect to ground and carries fault currents directly to ground if the electrical system malfunctions To understand how the conductors in the electrical circuit will be connected to the system ground the following terms should be understood e Grounded Conductor GC The wire cable in the electrical system that normally carries current usually the AC neutral and or the DC negative and is intentionally connected or bonded to the ground system This wire or the ends of this wire should be colored white or gray e Equipment Grounding Conductor EGC A wire cable that does not normally carry current and is used to connect the exposed metal parts of equipment that might be accidentally energized to the grounding electrode system or to the grounded conductor This wire or the ends of this wire should be green or green with a yellow stripe this wire can be bare copper e Grounding Electrode Conductor GEC The wire cable t
11. prevent chafing or damage from movement and vibration 2 Verify strain reliefs or grommets are in place to prevent damage to the wiring or conduit where it passes through walls bulkheads or other openings 3 Verify all AC connections are correct and torqued to a maximum of 16 in Ibf 1 8 N m 4 Replace the covers on the main electrical distribution panel 5 Replace the chassis access cover 6 Verify the inverter s front panel switch is in the OFF position H Info If required by code have the installation inspected by an electrical inspector Page 41 2012 Magnum Energy Inc Installation 2 9 Functional Test After all electrical connections to the inverter batteries AC source and sub panel have been completed follow these steps to test the installation and the inverter s operation CAUTI ON Use a multimeter to verify the correct DC voltage for your particular inverter AN model i e 24 volt battery bank for a 24 volt inverter and to ensure the polarity of the battery voltage is correct battery positive connected to the inverter positive terminal and the battery negative connected to the inverter negative terminal 1 Apply battery power to the inverter by closing the DC circuit breaker The inverter will remain off but the green status indicator on the front of the inverter will quickly blink once to indicate that DC power has been connected and the inverter is ready to be turned on 2 Prior to turning on the
12. AC loads 1 Determine the daily power needed for each load a List all AC loads required to run and b List the Watt Hours for each load see Table B 1 for common loads wattage and c multiply by how many hours per day or a fraction of an hour each load will be used and d multiply by how many days per week you will use the listed loads and e divide by seven Average Daily Watt Hours Per Load Average Daily Watt Hours Per Load AC load Watt Hours x hours per day x days per week 7 total power 2 Determine the total power needed each day for all the loads e Add the Average Daily Watt Hours Per Load together Total Daily Watt Hours Total Daily Watt 3 Determine the battery amp hour capacity needed inverter battery voltage Hours to run all the loads before recharging e Divide the Total Daily Watt Hours by the nominal battery volt age of the inverter i e 12 24 volts and e Multiply this by how many days the loads will need to run without having power to recharge the batteries typically 3 to 5 days of storage Storage Amp Hours 4 Determine how deeply you want to discharge your batteries e Divide the Storage Amp Hours by 0 2 or 0 5 to get the Total Amp Hours a 0 2 Discharges the batteries by 20 80 remaining this is considered the optimal level for long battery life or b 0 5 Discharges the batteries by 50 50 remaining this is considered a realistic trade off between battery co
13. AC wiring configuration you may need to connect a wire to the HOT 2 OUT terminal refer to your configuration drawing Figure 2 10 to 2 13 3 Connect the neutral WHITE from the inverter s NEUT OUT terminal to the sub panel s neutral busbar or to the neutral connection on the outlets if using the output breaker versions Tighten the NEUT OUT terminal to 16 in Ibf 1 8 N m Wiring the I nverter AC Ground 1 Combine the ground GREEN wire from the main panel s ground busbar and the ground GREEN wire from the sub panel s ground busbar or the ground connection on the outlets if using the output breaker versions After these grounds are combined connect them to the inverter s AC GROUND terminal Tighten the AC GROUND terminal to 16 in Ibf 1 8 N m AC Wiring Inspection 1 Verify all wire runs are secured If installed in a mobile installation use wire ties or other non conductive fasteners to prevent chafing or damage from movement and vibration 2 Verify strain reliefs or grommets are in place to prevent damage to the wiring or conduit where it passes through walls bulkheads or other openings 3 After verifying all AC connections are correct and all inverter AC terminal screws are torqued to 16 in Ibf 1 8 N m replace the AC wiring access cover and the covers on the main electrical distribution panel Page 23 2012 Magnum Energy Inc 2 5 6 Installation AC Wiring Configurations MS2012 MS2812 MS2024 MS4024
14. Circuit Breakers only available on 15B 20B output breaker models Introduction side of the MS Series inverter is equipped with the following features see Figures 1 3 amp 1 4 Exhaust Air Vents ventilation openings that allow heated air to be removed by the internal cooling fan Model Serial Number Label includes model serial number information date of manufacture and inverter and charger specifications See the MS specifications in Appendix A for more information and a list of available models AC Access Cover provides access to the internal AC wiring terminal block see Figure 2 8 This terminal block is used to hardwire all inverter AC input and output wiring connections Remove the two screws to access the AC wiring terminal block The MS2000 models do not have the AC wiring terminal block AC Input Circuit Breaker CB3 this circuit breaker protects the unit s internal charger wiring and pass thru relay while in Standby mode The circuit breaker pops out when it opens press in to reset The input circuit breaker is not branch rated therefore branch rated circuit breakers must be installed in the inverter s input wiring AC Output Circuit Breakers CB1 amp CB2 these circuit breakers are branch rated and are only available on models MS2000 15B MS2000 20B MS2012 15B and MS2012 20B They allow the inverter AC loads to be connected directly to the inverter s output without requiring an inverter sub panel Thes
15. DC overcurrent disconnect in the positive line and a shunt in the negative line Any other additional connection will contribute to additional voltage drops and these extra connection points may loosen during use All wiring to the battery terminals should be checked periodically once a month for proper tightness The torque requirement for the DC terminals is between 10 to 12 ft Ibf 13 6 to 16 3 N m If you don t have a torque wrench ensure all DC terminals are tight and cannot move Be aware that overtightening or misthreading the nuts on the DC terminals can cause the bolts to strip and snap break off Make sure cables have a smooth bend radius and do not become kinked Place long cable runs in conduit and follow existing wire runs where possible A brief spark or arc may occur when connecting the battery cables to the inverter DC terminals this is normal and due to the inverter s internal capacitors being charged Color code the DC cables wires with colored tape or heat shrink tubing RED for positive WHITE for negative and GREEN or bare copper for DC ground to avoid polarity problems 2012 Magnum Energy Inc Page 14 Installation Hj Ce a GP E FW lm pr iV Sfp Tf avara rhe CECI 3 T LI mi 3n L eX n i AT eite Hei el OY Ne ON
16. Inverter Mode Inside MS Series Inverter Charger Standby Mode A Neutral to Ground Connection inside AC compartment Neutral to Ground Connection inside AC compartment Figure 2 20 Neutral to Ground Figure 2 21 Neutral to Ground Connection Inverter Mode Connection Standby Mode Normally located in the AC compartment however on MS2000 models the neutral to ground is located internally on the AC board Page 39 2012 Magnum Energy Inc Installation 2 6 6 Disabling the Neutral to Ground Connection All MS Series inverter chargers have the automatic neutral to ground switching feature In some installations jurisdictions this feature must be disabled by disconnecting the neutral to ground connection If you are not sure whether you must disable this feature check your local code requirements The following steps will guide you in disabling the neutral to ground switching feature Note The neutral to ground switching feature cannot be disabled in MS2000 models I nfo The ground connection from the inverter s AC and DC ground terminals should still be connected to the system ground even if ground switching has been disabled WARNI NG Fire and Shock Hazard disconnect all AC and DC sources before working in the AC wiring compartment 1 Locate and remove the AC access cover plate Item 15 in Figure 1 3 on the side of the MS Series inverter 2 Ins
17. Out Configurations ccce nnnm nnne 29 Figure 2 14 AC Wiring for MS2000 Models xesssaukasksusaxawkiwtdua auk aki ador rada a trai aca nid 32 Figure 2 15 AC Wiring for MS2000 15B 20B Models eene enne nn 323 Figure 2 16 Grounding System for MS SEN sosser eek 34 Figure 2 17 Multiple Connections to DC Ground Rod Method 1 29 Figure 2 18 Multiple Connections to DC Ground Rod Method 2 36 Figure 2 19 Single Connection to DC Ground Rod Method 3 36 Figure 2 20 Neutral to Ground Connection Inverter Mode 39 Figure 2 21 Neutral to Ground Connection Standby Mode 59 Figure 2 22 Disconnecting tne Neutral to Ground Connection 25 212852 semence desire 40 Figure 2 23 Connecting a Large DC Ground Wire vvvwskata s wexswerex suicide ck ne Rond CR TR Gra 40 Figure NNN 41 OR SJENERT 43 Figure 2 26 AC Voltage Checks MS2000 models varamenn 43 Figure 2 27 AC Voltage Checks MS2000 15B 20B models 43 Figure 3 1 Power Flow Inverter Mode ss nnnm h hans 44 Figure 3 2 Power FIOW ji MOUG vrenger 45 Figure 3 3 Automatic 4 Stage Charging Grasse kie eed kb io iR Rs care Ro E en a Ow Ra 46 Figure 3 4 BTS Temperature to Charge Voltage Change c eee Inm 47 Fig re 3 5 Power Switen and Status INAICaLO vere 49 Figure 4 1 Performing an Inverter Reset ranranranranrnnrnnrnnrnnnnnrnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnee 54 Figure A 1 MS Series Efficiency CDaEEoocseusenw
18. and 3 7 6 cm everywhere else to provide adequate ventilation If installed in an enclosure a fresh air intake opening must be provided directly to the front side intake vents of the inverter and an exhaust opening on the back side exhaust vents of the inverter This allows cool air from the outside to flow into the inverter and heated air to exit the inverter and the enclosure When mounted in an enclosed compartment airflow must be gt 100 cfm in order to maintain no more than a 689F 20 C rise in compartment temperature CAUTI ON Do not mount this inverter in a zero clearance compartment nor cover or obstruct the ventilation openings overheating may result Safe Keep any flammable combustible material i e paper cloth plastic etc that may be ignited by heat sparks or flames at a minimum distance of 2 feet 61 cm away from the inverter WARNI NG The MS Series inverter charger is not ignition protected Do not install this inverter in any area that contains extremely flammable liquids like gasoline or propane Close to the battery bank The inverter should be located as close to the batteries as possible Long DC wires tend to lose efficiency and reduce the overall performance of an inverter However the unit should not be installed in the same compartment as the batteries or mounted where it will be exposed to gases produced by the batteries These gases are corrosive and will damage the inverter also if these gases
19. and workmanship that result in product failure during normal usage according to the following terms and conditions 1 The limited warranty for the product extends for 36 months beginning from the product s original date of purchase Note The normal 3 year warranty on this MS inverter is extended to 5 years if it was ordered with and installed on one of Magnum s MP or MMP panel systems A proof of purchase is required at the time of repair service showing that the MS inverter and the MP or MMP panel system were purchased at the same time The limited warranty extends to the original purchaser of the product and is not assignable or transferable to any subsequent purchaser During the limited warranty period Magnum Energy will repair or replace at our option any defective parts or any parts that will not properly operate for their intended use with factory new or remanufactured replacement items if such repair or replacement is needed because of product malfunction or failure during normal usage The limited warranty does not cover defects in appearance cosmetic decorative or structural parts or any non operative parts Magnum Energy s limit of liability under this warranty shall be the actual cash value of the product at the time the original purchaser returns the product for repair determined by the price paid by the original purchaser Magnum Energy shall not be liable for any other losses or damages Upon request from Magnum Energy the
20. are not ventilated and allowed to collect they could ignite and cause an explosion Accessible Do not block access to the inverter s remote control and accessory ports as well as the inverter s controls and status indicator Allow enough room to access the AC and DC wiring terminals and connections as they will need to be checked and tightened periodically See Figure 2 3 for the MS Series inverter charger s dimensions Away from sensitive electronic equipment High powered inverters can generate levels of RFI Radio Frequency Interference Locate any electronic equipment susceptible to radio frequency and electromagnetic interference as far away from the inverter as possible 2012 Magnum Energy Inc Page 10 Installation 2 2 Mounting the Inverter The inverter base can reach a temperature up to 90 C 1949F and should be mounted on a noncombustible surface This surface and the mounting hardware must also be capable of supporting at least twice the weight of the inverter To meet regulatory requirements the MS Series must be mounted in one of the following positions as shown in Figure 2 2 e above or under a horizontal surface shelf or table e ona vertical surface wall with the DC terminals to the right e ona vertical surface wall with the DC terminals toward the bottom the MP HOOD inverter hood installed on the top and either the ME CB Conduit box MMP series single inverter enclosure or MP Series multiple i
21. battery voltage 12 VDC 200 AH 6 VDC 200 AH 200 AH 6 VDC 6 VDC 6 VDC 200 AH 200 AH 200 AH 12 VDC Figure B 1 Series Battery Wiring B 6 2 Parallel Wiring Wiring batteries in parallel increases the battery bank s amp hour capacity which allows the AC loads to operate for a longer time A parallel connection combines the number of batteries in the string to increase overall battery capacity however the voltage remains the same In Figure B 2 below two 12 VDC 100 AH batteries are combined into a single 12 VDC 200 AH battery bank Parallel Battery Wiring 12 VDC combines battery capacity 12 VDC 100 AH 200 AH 100 AH 12 VDC 100 AH 12 VDC 200 AH 12 VDC Figure B 2 Parallel Battery Wiring B 6 3 Series Parallel Wiring A series parallel configuration increases both voltage to match the inverter s DC requirements and amp hour capacity to increase run time for operating the loads using smaller lower voltage batteries In Figure B 3 below four 6 VDC 200 AH batteries are combined into two strings resulting in a 12 VDC 400 AH battery bank combines battery voltage and capacity 6 VDC 6 VDC 200 AH 6 VDC 200 AH 200 AH 200 AH 12 VDC 12VDC 200 AH 6 VDC 400 AH 400 AH 12 VDC 200 AH 6 VDC T 200 AH 12 VDC 200 AH 6 VDC add voltage add capacity add voltage and in series in parallel capacity together Figure B 3 Series Parallel Battery Wiring
22. complete AC DC grounding requirements 2012 Magnum Energy Inc Page 38 Installation 2 6 5 Neutral to Safety Ground Bonding The standards for safely wiring residential commercial RV truck and marine installations in the United States require the neutral and safety ground to be connected at the AC source whether it is the utility feed in your home an inverter or a generator This is to establish a specification that maximizes the possibility that a circuit breaker will activate if a hotwire to ground fault occurs These standards also require that the AC neutral be connected to safety ground often called a bond in one and only one place at any time The single bond is established in order to make the electrical panel s neutral line safe by connecting it to ground Without this bond the neutral can have up to 60 VAC with respect to ground On the other hand if more than one bond is established currents can circulate between neutral and ground and cause ground loop currents These ground loops can trip GFCIs cause an electric shock hazard and may be the reason for other annoying side effects In applications where you are using an inverter as one of your AC sources along with another AC source i e utility power or generator there is the potential of having multiple connections bonds between neutral and ground Therefore you must ensure that the inverter does not also connect the neutral to ground while the other AC sour
23. draw See Table 2 1 to select the minimum DC wire size and corresponding overcurrent device required based on your inverter model The cable sizes listed in Table 2 1 are required in order to reduce stress on the inverter minimize voltage drops increase system efficiency and ensure the inverter s ability to surge heavy loads If the distance from the inverter to the battery bank is gt 5 feet the DC wire will need to be increased Longer distances cause an increase in resistance which affects the performance of the inverter Use the overcurrent device previously determined from Table 2 1 and then refer to Table 2 2 to determine the minimum DC wire size needed for various distances based on your inverter model 2 4 2 DC Overcurrent Protection DC overcurrent protection is not included in the inverter for safety reasons and to comply with electrical code regulations it must be provided as part of the installation The DC overcurrent protection device must be installed in the positive DC cable line it can be a fuse or a circuit breaker and must be DC rated It must be correctly sized according to the size of DC cables being used which means it is required to open before the cable reaches its maximum current carrying capability thereby preventing a fire In a residential or commercial electrical installation the NEC requires both overcurrent protection and a disconnect switch If a circuit breaker is used as the overcurrent protection device
24. hole to attach a correctly sized ground cable with a ring terminal to the MS k Series chassis as shown in Figure 2 23 Note Ring terminal must have a hole size 21 4 Figure 2 22 Disconnecting the Neutral to Ground Connection DC Ground terminal bolt nut reversed and tightened 5 Place the washer and nut on the bolt over the ground cable and securely tightened the nut Figure 2 23 Connecting a Large DC from 4 to 5 ft Ibf 5 4 to 6 8 N m Ground Wire 2012 Magnum Energy Inc Page 40 Installation 2 7 Inverter Notification Requirements When an inverter is installed in a building facility or structure the NEC National Electrical Code requires a label or plaque to be provided This label plaque is required to be easily visible and provide information that informs personnel on the location of all electrical system disconnects This is to ensure all power to a building is quickly located and shut down in an emergency There are also specific requirements for this label plaque depending on the inverter application they are as follows 2 7 1 Facilities with Standalone Systems Any building facility or structure with a photovoltaic power system that is not connected to a utility service source and is a standalone system must have a permanent plaque or directory installed on the exterior of the building or structure at a readily visible location acceptable to the Authority Having Jurisdiction AHJ The plaq
25. inverter make sure all AC loads i e appliances are NOT connected to the inverter s output or to any AC outlets powered by the inverter 3 Lightly press and release the inverter s ON OFF switch to turn the inverter on Verify the inverter s status indicator is blinking indicating the inverter is on 4 Connect a 10 25 watt light bulb to the inverter output and verify it comes on and shines normally DO NOT connect anything larger than a 25 watt light bulb until all wiring and voltages are confirmed to be correct Info The inverter s AC output voltage will not be correct until a load greater than 5 H watts default setting is connected to the inverter or Search mode is turned off with a remote display ME RC ME ARC or ME RTR A 10 25 watt light bulb is used as it is a sufficient load to bring the inverter out of Search mode and up to full voltage 5 Check the AC output voltage of the inverter by connecting an AC voltmeter to the output terminals as shown in Figure 2 25 verify the correct output voltages 6 Press and release the inverter s ON OFF switch to turn the inverter off The inverter s status indicator and the connected load should go off 7 Apply AC power to the inverter s AC input After the AC input power is qualified approximately 15 seconds the incoming AC power will transfer through the inverter to the inverter s AC output and power the light bulb Verify that the inverter s status indicator and the light bulb c
26. it can also be used as the required DC disconnect If a fuse is used as an overcurrent device a Class T type or equivalent is recommended This fuse type is rated for DC operation can handle high short circuit currents and has a time delay that allows for momentary current surges from the inverter without opening the fuse However because the fuse can be energized from both directions the NEC requires that it be installed in a manner that the power must be disconnected on both ends of the fuse before servicing Use Table 2 1 to select the DC overcurrent device needed based on the recommended minimum wire size for your particular inverter model may not meet all local code or NEC requirements Table 2 1 Recommended DC Wire Overcurrent Device for Rated Use Inverter HER ini ini Groundin Continuous Minimum DC Recommended Minimum DC Maximum DE g Model Current Wire Size DC Breaker Wire Size E Size Electrode rating Size rating AN Wire Size 4 0 AWG 2 0 AWG 300 amps with MELDE 260 amps Za amper 300 amps time delay Note Maximum continuous current is based on the inverter s continuous power rating at the lowest input voltage with an inverter inefficiency factored in Note Copper wire rated with 90 C 1949F insulation at an ambient temperature of 30 C 86 F with a multiple cable fill factor 0 8 de rating if needed Note 7he next larger standard size overcurrent device may be used if the derated cable ampa
27. partie int grante de cet inverseur La protection contre les surintensit s des c bles de batterie doivent tre fournis dans le cadre de l installation du syst me Reportez vous la section C blage cc dans le chapitre d installation pour plus d informations 2012 Magnum Energy Inc Page iv Safety Information Protection contre les surintensit s pour le c blage de sortie AC n est pas fourni en tant que partie int grante de cet onduleur Protection contre les surintensit s du c blage de sortie CA doit tre fournie dans le cadre de l installation du syst me Reportez vous la Section 2 5 C blage ca dans le chapitre d installation pour plus d informations Le conducteur de sortie CA conducteurs neutre et continue n gative ne sont pas connect s servitude au ch ssis inverseur La fois l entr e et des conducteurs de sortie sont isol s de l enceinte et l autre La terre du syst me si n cessaire est de la responsabilit de l installateur du syst me et doit se conformer des codes locaux et nationaux et les normes lectriques Reportez vous la Section 2 6 Mise la terre Onduleurs dans le chapitre d installation pour plus d informations S curit de la batterie Utiliser des outils isol s et tre tr s prudent lorsque vous travaillez pr s des batteries elles peuvent produire des courants extr mement lev s si en court circuit par exemple chapper un outil m tallique travers la borne de la batterie ce
28. percentage efficiency is the ratio of the output to the input The efficiency changes with power output levels of any inverter Electrolyte Typically a mixture of water and sulfuric acid that is used in lead acid batteries it is commonly referred to as battery acid Equalization Controlled overcharging of the battery causing it to bubble and mix This helps reduce stratification Float Stage During the third stage of three stage charging the voltage and current are reduced to a level that will trickle charge or maintenance charge the battery This assures the battery remains fully charged even while sitting Fuse or Disconnect When current exceeds a preset limit the fuse or disconnect will fail before the wiring or equipment it is protecting Disconnects are also called circuit breakers These are usually reset and can act as a switch to turn off power to equipment for servicing Grid The grid Also called the utility grid this refers to the public power distribution system I mpedance Slows the electrical flow of Alternating Current AC LED Light Emitting Diode A light made up of semi conducting material Line Tie Term used when the inverter is connected to public power or the grid system Load s An electrical item that draws power i e lights radio refrigerator etc to work Page 63 2012 Magnum Energy Inc Appendix C Inverter Charger Terminology Locked Rotor Amps The current drawn by an elec
29. points This allows the batteries to be correctly charged under extreme temperature changes If the temperature sensor is NOT installed and the batteries are subjected to large temperature changes the battery life may be shortened The BTS cable may be extended using a RJ11 connector female to female and a standard phone cable with RJ11 connectors to a maximum length of 40 feet 12 m However your inverter to battery cable length should not exceed the recommended distance provided in Table 2 2 To install the BTS 1 Attach the ring terminal end of the Battery Temperature Sensor to the negative battery terminal see Figure 2 5 for proper connection to the battery terminal 2 Route the sensor s cable to the inverter following existing wire runs 3 Connect the RJ11 connector end of the BTS cable to the yellow labeled BTS port on the inverter Item 6 Figure 1 1 FRONT VIEW rn 3 4 1 9 cm IVAN D JAA ZA CS EG MACNUM Cable 0 375 diameter 95 cm 1 3 m e Vo SI DE VIEW Figure 2 7 Battery Temperature Sensor Page 19 2012 Magnum Energy Inc Installation 2 4 7 Wiring the Inverter to the Battery Bank CAUTI ON The inverter is NOT reverse polarity protected if this happens the inverter AN will be damaged and will not be covered under warranty Before connecting the DC wires from the batteries to the inverter verify the correct battery voltage and polarity using a voltmeter If the positive
30. qui pourrait provoquer un incendie ou une explosion Lisez et suivez les consignes de s curit du fabricant de la batterie avant d installer l onduleur et des batteries Toujours v rifier la polarit et la tension avant de brancher les batteries l onduleur Une fois que les batteries sont connect es l onduleur assurer la maintenance et les exigences de charge c tension de charge et taux de charge fournis par le fabricant de la batterie sont suivies pour prolonger la vie des batteries et pour viter d endommager les batteries pendant la charge Porter des lunettes de protection tels que des lunettes de s curit et vitez de toucher vos yeux et le visage lorsque l on travaille avec des piles de garder tout fluide corrosion sur la batterie d entrer en contact avec les yeux et la peau Ayez suffisamment d eau fraiche et de savon proximit et se laver dans le cas d acide contact avec la peau de la batterie les v tements ou les yeux Dans le cas d exposition pour les yeux les inonder pendant au moins 15 minutes l eau courante et consulter imm diatement un m decin Le bicarbonate de soude neutralise l acide de plomb lectrolyte de la batterie et le vinaigre neutralise renvers NiCad et NiFe batterie lectrolyte en fonction de votre type de batterie gardez sous la main pr s des batteries Enlevez tous les bijoux tels que bagues montres bracelets etc lors de l installation ou la maintenance sur les batteries et l ondul
31. terminal of the battery is connected to the negative terminal of the inverter and vice versa severe damage will result If necessary color code the cables with colored tape red for positive and white for negative to avoid polarity confusion Info The DC overcurrent device i e circuit breaker or fuse must be placed in H the positive red DC cable line between the inverter s positive DC terminal and the battery s positive terminal red as close to the battery as possible DC Ground Wire Route an appropriately sized DC grounding wire green or bare wire from the inverter s DC equipment ground terminal Item 7 Figure 1 2 to a dedicated system ground Recommended tightening torque is 45 in Ibf 5 1 N m Refer to Section 2 6 for grounding information and sizing the DC ground wires DC Negative Wire Route an appropriately sized DC negative wire marked white from the negative terminal of the battery bank to the inverter s negative terminal Item 11 Figure 1 2 Info If installing a battery monitor such as Magnum s ME BMK install a DC shunt in line with the negative battery cable DC Positive Wire Mount the circuit breaker or fuse assembly as near as practical to the batteries and leave open i e no power to inverter WARNING DO NOT close the DC circuit breaker or connect the fuse to connect battery power to the inverter at this time This will occur in the Functional Test after the installation is complete C
32. the packing slip When sending your product for service please ensure it is properly packaged Damage due to inadequate packaging is not covered under warranty We recommend sending the product by traceable or insured service BEFORE RETURNING ANY UNIT TO MAGNUM ENERGY INC A RETURN MATERI AL AUTHORI ZATI ON RMA NUMBER IS REQUIRED Page 65 2012 Magnum Energy Inc BA A An lna EVETTE EN W EVE E N E R G Y Magnum Energy Inc 2211 West Casino Rd Everett WA 98204 Phone 425 353 8833 Fax 425 353 8390 Web www magnumenergy com MS Series Owner s Manual PN 64 0007 Rev D
33. use of the inverter MMP Series Enclosures The MMP enclosures have been specifically designed for single inverter applications These enclo sures combine all of the major components required for a renewable energy system inverter battery disconnect AC overcurrent protection grounding connections and a full system inverter bypass switch as a convenient way to isolate the inverter for battery maintenance into a single easy to install pre wired enclosure MP Series Enclosures The MPSL MPSH MPDH enclosures have been specifically designed to easily combine multiple invert ers The MP enclosures feature convenient front mounted AC and DC connections and easy panel operation Choose the MP model based on your power capacity needs Each model is expandable Start with the base model and just one inverter and in the future add another inverter up to a total of four inverters depending on your model with ease using the MPX Series expansion boxes Remote Switch Adapters The ME RSA and ME RSA M pigtail adapters allow the inverter to be remotely switched on and off with or without a remote display Advanced Remote Control The ME ARC remote control panel uses an LCD screen and at a glance LEDs to provide operating information and allow advanced features to be configured requires Magnum inverters with advanced configurable features This LCD remote control also provides advanced monitoring troubleshooting and includes a FAVS but
34. watts is the inverter default setting When AC power is connected to inverter input Indicates absorb charging and the inverter is in Standby mode the external AC power that is connected to the inverter s input is passing thru the inverter and is powering the AC loads connected to the inverter s output e On solid Indicates bulk charging and the inverter is in Standby mode the external AC power that is connected to the inverter s input is passing thru the inverter and is powering the AC loads connected to the inverter s output Bn or Power ON OFF i Charging Inverting pushbutton switch Stack Accessories Network Remote Charging Inverting Battery Temp Sensor Status LED indicator Figure 3 5 Power Switch and Status Indicator Page 49 2012 Magnum Energy Inc 3 8 Operation Factory Default Values Your MS Series inverter charger uses default values for the adjustable settings shown in Table 3 2 that are adequate for most installations If some of your operating parameters need to be changed from the default values an optional remote control display can be used to make those changes To help you determine if you need a remote display information on the inverter charger settings that can be changed is provided below The settings once programmed are saved in the remote s non volatile memory and are preserved until changed even if DC power to the inverter is lost as long as the remote is connected For i
35. 0 Installation 2 5 AC Wiring This section provides information on how to make the AC connections to the inverter using the correct AC wire size and corresponding overcurrent protection 2 5 1 Pre AC Wiring Requirements CAUTION Before installing any AC wiring review the safety information at the AN beginning of this manual and the following to ensure a safe and long lived system e Always use properly rated circuit breakers If using an electrical sub panel circuit breakers can be moved from the main electrical panel to the sub panel only if the breakers are also listed to be installed in the sub panel e AC wiring must be no less than 10 AWG 5 3 mm gauge copper wire and be approved for the application i e residential RV or marine wiring e DO NOT connect the inverter s output to an AC power source This could cause severe damage to the inverter and is not covered under warranty e The wire sizes recommended in this manual are based on the ampacities given in Table 310 16 in conduit or Table 310 17 in free air of the National Electrical Code ANSI NFPA 70 for 759C 1679F copper wire based on an ambient temperature of 309C 869F AN WARNI NG To reduce the risk of fire do not connect this inverter to an AC load center circuit breaker panel having multi wire branch circuits connected 2 5 2 AC Wire Size and Overcurrent Protection The AC input and output wiring must be sized per the local electrical safety code
36. 8 3 7 Inverter D a 49 3 8 Factory PN 50 3 9 Inverter Fan NINO eee 51 3 10 Using a Remote with the MS Series Inverter nnn nnne 51 4 0 Maintenance and Troubleshooting 52 4 1 Recommended Inverter and Battery Care ss 52 4 2 Storage for Mobile INSTAlIATIONSS s mmer diwi gi vag ax ux rai pa arc Ri 52 4 3 TPM NNN 53 4 4 Performing an Inverter Reset aaarrrannnnnnnnnnnnnrennnnnnrrnnnnnnssnunnnnrnnnrernnnnnnnnnene 54 4 5 PET a Power Rave 54 Appendix A Specifications and Optional Equipment 55 A l Inverter Charger Specifications eeeeeeesinnn nana nana RR RR REX REATO ER RR nn 55 A 2 Inverter EffiCienCy ssssssssssrsnsnnsnnnrrnrnrrrrnnrrrunrnrrnrnernrnnunennrnrsrrneunrrrunrrene 56 A 3 AC Input Voltage to Output Charge AMpS sssssssssrrsssssnnnrnrrrssssnnnnnnnrnrsrnnnnnnnnrnne 56 A 4 Optional Equipment and Accessories sisi nnns 57 Appendix B Battery I nformation eee eee er nnn nnn nnn 58 B 1 DOLLCLY LOC AVION cicig TP nea aad 58 PEN NN 58 b 3 BEN NU 58 B 4 Battery Bank SIZING sssssvasaexzEaweskss dicii axu dd rai Raton ata essen adsit a C ER VR DA GNE 58 B 5 Battery Bank Sizing WOFKSIIBGL vvs Gea 59 B 6 Battery Wiring ConfgulaltlofiScieceoka vada kx ex xad dark aaepe ars Gad ocu E iki Pda Ranae cn 60 Appendix C Inverter Charger Terminology
37. AC utilitaire ou g n rateur d alimentation Pour r duire le risque de choc lectrique assurez vous que tout le c blage DC et AC est d branch e avant l installation ou la maintenance sur le variateur Mise hors tension de l onduleur ne r duira pas ce risque l onduleur doit tre totalement d connect e de toutes les sources e Utiliser des m thodes de c blage classe 1 pour les connexions de c blage sur le terrain aux bornes d un circuit de Classe 2 e Cot ou tiquet s quipement doit tre install et utilis conform ment aux instructions figurant dans la liste ou l tiquetage e Toujours v rifier le c blage avant de commencer l onduleur e Utilisez des fils de cuivre seulement avec une cote de temp rature minimale de 75 C e AC c blage ne doit pas tre inf rieure 10 AWG 5 3 mm de cuivre de calibre e Les c bles de batterie ne doit pas tre inf rieur 4 0 AWG pour 12 et 24 volts syst mes Fris es et scell cosses en cuivre anneau des bornes avec un trou de 5 16 doit tre utilis pour se connecter des bornes de courant continu sur l onduleur e Couple toutes les connexions de c blage ca et les connexions de cables courant continu des valeurs de couple n cessaires e L onduleur doit tre correctement mont voir le montage de la section onduleur dans le chapitre Installation de ce manuel e Protection contre les surintensit s pour l alimentation de la batterie n est pas fourni en tant que
38. AUTI ON If connecting live battery cables to the inverter DC terminals a brief spark AN or arc may occur this is normal and due to the inverter s internal capacitors being charged Route and connect an appropriately sized DC positive wire red from the inverter s positive DC terminal Item 10 Figure 1 2 to one end of circuit breaker or DC fuse block Connect a short wire same rating as the DC wires to the other side of the DC circuit breaker or one end of the fuse disconnect assembly and the other end of the short wire to the positive terminal of the battery bank see Figure 2 1 for reference This is essential to ensure even charging and discharging across the entire battery bank Ensure the DC wire connections on the batteries inverter and DC circuit breaker fuse lugs are flush on the surface of the DC terminals and the hardware lock washer and nut used to hold these connections are stacked correctly see Figures 2 5 and 2 6 Verify all DC connections are torqued from 10 to 12 ft Ibf 13 6 to 16 3 N m Once the DC connections are completely wired and tested coat the terminals with an approved anti oxidizing spray Attach the red and black terminal covers over the inverter s DC connectors and secure them in place with the supplied screws If the batteries are in an enclosure perform a final check of the connections to the battery terminals then close and secure the battery enclosure 2012 Magnum Energy Inc Page 2
39. C TERMINALS FACING DOWN WHEN THE INVERTER IS MOUNTED IN THIS POSITION THE MP HOOD INVERTER HOOD ON BM nenn TOP AND THE ME CB EWHARuS NEWS CONDUIT BOX ON BOTTOM OR MP MMP SERIES ENCLOSURES MUST BE USED EEUN BA A e T EVEA WEU D EVE ENERGY T RI FL o d Watt MouNTED DC TERMINALS TO THE RIGHT Figure 2 2 Approved Mounting Positions Page 11 2012 Magnum Energy Inc Installation 20 3 cm 6 ve 16 8 cm Model MS4024 Inverter Charger Inverter Operation Charger Operation o Cantino Outul Pase GO A08 V e Condens Goes Quran I e DC iut ange 18304 V MI AUC Q 283 VOC wid Model MS2000 Inverter Charger B TD pet rwt 18 wit QC WAL Hc 09 AAC op 2 UT e equ Vue unge SE MO A Inverter Operation n ptm mains cive Frey Fang 201 JOH E i 7 Comet 303A ms AL te Pi c surge unregulated Ven y ows Ouf e tn 4 v f i Sorge Ape maant tao ins 30 AMT eat input OG MAL tt D 2 M ET rs DC Out Rage VO SUE C Il o urge Poe VIO iaa Ms f ten Poner Pacte 95 y A D 8 8 lc tmi Diana sees lt A 6 83 an at Font Por TO 8 L gmeewt and Mau rat y C C 11 14VDC or i 5 Max e Ci 20VAC bed iS roe 8 e imertek Ei in the U S A us Magnum y Inc a 1111 801 Suite 250 L NUM t 4 MS2012 MS2812 MS2024 MS4024 models MS2000 model left side shown left side shown Note MS2000 models have the same dimensions as those show
40. C terminal block and one AC ground terminal to connect the inverter s AC input and output wiring This terminal block see Figure 2 8 allows a service distribution panel main panel to be wired to the inverter s input and also allows a dedicated panel sub panel between the inverter s output wiring and the AC loads To access and view the AC terminal block and ground terminal remove the two Phillips screws holding the AC wiring access cover plate see Item 15 Figure 1 3 Each connection on the AC terminal block is rated to accept one 14 to 6 AWG 2 1 to 13 3 mm CU stranded wire or two 12 AWG 3 3 mm CU stranded wires Each connection uses a M3 5 slotted head screw and the maximum tightening torque is 16 Ibf in 1 8 N m wire to carry 60 amps and splits to two wires to allow 30 amps for each leg i e AC HOT 1 and AC HOT 2 IDEAL Industries Inc www idealindustries com manufactures a crimp connector PN 412 and a separate insulator PN 417 that allow up to two 8 AWG wires with one 6 AWG wire to be connected together i Info One of the AC wiring configurations SI SO 604A Figure 2 10 uses a 6 AWG I nfo To comply with ABYC requirements for marine installations the AC terminal has a stainless steel wire protector to prevent wire damage from the set screw I nfo The inverter s NEUT IN and NEUT OUT terminals are electrically isolated from each other while inverting This is related to the neutral ground bonding req
41. H 12 VDC battery 100 AH battery 100 AH Appendix B Battery Information 12 VDC battery 100 AH overcurrent protection to 24 VDC inverter total capacity 100 AH overcurrent protection oe G amp G to 24 VDC inverter total capacity 200 AH overcurrent protection to 24 VDC inverter total capacity 200 AH overcurrent protection to 24 VDC inverter total capacity 400 AH gt 24 volt battery bank two strings of four 6 volt batteries wired in series and connected in parallel Figure B 5 Battery Bank Wiring Examples 24 volt 2012 Magnum Energy Inc Page 62 Appendix C Inverter Charger Terminology Appendix C I nverter Charger Terminology The following is a glossary of terms with which you may not be familiar They appear in the various descriptions of inverter and battery charger operation Absorbtion Stage In this second stage of three stage charging the batteries are held at a constant voltage the absorb voltage setting and the battery is charged to its maximum capacity AC Alternating Current Electrical current that varies with time i e utility power The rate at which the voltage changes polarity is the frequency in Hertz Hz Ampacity The ampacity of a wire is its current carrying capacity with reference to the cross sectional area of the conductors the temperature rating of the insulation and the ambient temperature Automat
42. OH DV jaued urew wo NI T LOH DV jaued urew woul NI LAAN OV ls NGLE IN SINGLE OUT 30A wiring w a a a 5 In mobile installations neutral is typically not connected to ground in main panel TIZA Qeososososo o EZWIZZ ZZ OFF OFF OFF OFF OFF OFF Maximum 30 amp breaker single pole required to inverter AC input FEI FEI FEI 1410 1410 FEI 120 120 VAC VAC __ Main Panel Sub Panel and Outlets Utility Generator I nput Inverter Loads Figure 2 9 AC Wiring for Single In Single Out 30 A Configurations Page 25 2012 Magnum Energy Inc Installation AC Terminal Block AC input and output wiring MS Series Inverter S D T S D NI LNAN OV AC GROUNDS to from both panels jaued qns 0 LNO LNAN IV jaued qns o3 LNO Z LOH DV jaued qns 0 LNO I LOH DV jaued urlew woy NI Z LOH DV jaued ulew wo NI I LOH DV jaued ureuu woul SINGLE OUT 60A wiring Im er eer In mobile installations neutral is typically not connected to ground in main panel Zo o 0 EH a o MT 2808 9800080 DD AGOO AAO fe zZ T fe z z e M T o OFF OFF OFF OFF OFF OFF Maximum 60 amp breaker single pole required to inverter AC input EE e FEI EE e FEI EE e FF lo 120 120 120 120 VAC VAC VAC VAC Main Panel Sub Pa
43. OWED DURING THE INSTALLATION AND OPERATION OF THIS PRODUCT Before using the MS Series read all instructions and cautionary markings Also be sure to review the individual manuals provided for each component of the system The installation instructions are for use by qualified personnel only Do not perform any installation or servicing other than that specified in this owner s manual unless you are qualified to do so Incorrect installation or servicing may result in a risk of electric shock fire or other safety hazard Safety Symbols The following safety symbols have been placed throughout this manual to indicate dangerous and important safety instructions gt gt WARNING This symbol indicates that failure to take a specified action could result in physical harm to the user CAUTI ON This symbol indicates that failure to take a specified action could result in damage to the equipment Info This symbol indicates information that emphasizes or supplements important points of the main text Safety Precautions All electrical work must be performed in accordance with local and national electrical codes This product is designed for indoor compartment installation It must not be exposed to rain snow moisture or liquids of any type Use insulated tools to reduce the chance of electrical shock or accidental short circuits There are no user serviceable parts contained in this product This unit is provided with integral p
44. The following table provides the different wiring configurations for installing and connecting the AC conductors to and from the inverter refer to Figures 2 9 to 2 13 for installation drawings showing these configurations Refer to Table 2 4 and Figures 2 14 amp 2 15 for the MS2000 models AC Source Required Reason to Use Appropriate Models Maximum Input Breaker Required Minimum Wire Size AWG Maximum Inverter Pass thru capacity Table 2 3 AC Input Output Wiring Configurations SI SO 30A Single I n Single Out 30A 120 VAC lt 30 amps Have an 120 VAC source that is lt 30 amps Requires a separate inverter sub panel MS2012 MS2812 MS2024 MS4024 30A single pole 10 AWG In amp Out 3600W 30A 120 VAC SI SO 60A Single In Single Out 60A 120 VAC Q gt 30 amps 60 amps maximum Have an 120 VAC source that is gt 30 amps Requires a separate inverter sub panel MS2012 MS2812 MS2024 MS4024 60A single pole 6 AWG In amp Out Can be split to two 10 AWG for HOT 1 amp HOT 2 7200W 60A 120 VAC SI DO Single In Dual Out 120 240 VAC or 2 separate legs of 120 VAC lt 15 amps per leg 15B models or lt 20 amps per leg 20B models Do not want to install a separate inverter sub panel Inverter pass thru capability limited on each leg by model used MS2012 20B MS2012 15B For full cha
45. These parallel current paths would represent a safety hazard and are not allowed in installations wired per the NEC CEC Grounding Electrode Grounding Electrode Grounding Electrode AC side dedicated AC and DC sides shared DC side dedicated J Figure 2 16 Grounding System for MS Series 2012 Magnum Energy Inc Page 34 Installation 2 6 1 Sizing the Grounding Electrode Conductors AC Side The size of the AC grounding electrode conductor GEC AC depends on the size of the largest ungrounded conductor feeding the AC load center One 8 AWG 8 4 mm copper conductor will serve as an AC grounding electrode conductor GEC AC for AC power conductors smaller than and including 2 AWG 33 6 mm copper See Table 2 5 for additional values Table 2 5 AC Grounding Electrode Conductor Sizing Size of Largest Ungrounded Minimum Size of Grounding Conductor Electrode Conductor 2 AWG or smaller 8 AWG 8 4 mm 6 AWG 13 3 mm 32 0 or 43 0 AWG 4 AWG 21 1 mm Over 3 0 AWG gt through 350 kcmil 2 AWG 33 6 mm DC Side To size the DC grounding electrode conductor you must first determine which one of the following three methods will be used to connect the DC and AC grounding points in the inverter s two electrical systems to the common earth ground Method 1 Figure 2 17 This method uses a separate grounding electrode for the DC system and the AC system In this method since there are multiple connections to
46. Turn on a load greater than 5 watts to bring inverter to Green LED is flashing load is too small for Search mode full output power or turn off search with remote circuit detection por ee or gauge manual Replace cables as necessary a to AC Low AC voltage lt 90 VAC Check AC input wiring Low charging rate when Generator output is too low to power Reduce the load increase the generator s RPMs using a generator both load and charger Check the SHORE settings if remote connected Charger does not Loose or corroded battery cables Clean and tighten battery cables charge Defective batteries Replace batteries Wrong charger settings Adjust the charger settings ensure the unit is not in charger standby Wrong AC input voltage Verify proper AC input voltage and frequency While charging the If the Battery Temperature Sensor This is normal see Section 3 5 Battery Temperature DC charge voltage is BTS is installed the DC voltage will Sensor Operation for more information higher or lower than increase or decrease depending on the expected temperature around the BTS Page 53 2012 Magnum Energy Inc Maintenance and Troubleshooting 4 4 Performing an Inverter Reset Certain faults require that the inverter be reset To perform an inverter reset also known as a soft reset press and hold the Power ON OFF button see Figure 4 1 for approximately fifteen 15 seconds until the Char
47. access cover and the covers to the main electrical distribution panel 2012 Magnum Energy Inc Page 30 Installation 2 5 8 AC Wiring Configuration MS2000 models The following table provides the different wiring configurations for installing and connecting the AC conductors to and from MS2000 model inverters see Figures 2 14 and 2 15 for installation diagrams showing these configurations Table 2 4 AC Input Output Wiring Configurations MS2000 models SI SO 30A Single In Single Out SI DO Single In 30A Dual Out AC Source 120 VAC 120 VAC Required lt 30 amps lt 30 amps lt 15 amps per leg 15B models or lt 20 amps per leg 20B models Reason to Have an 120 Do not want to Use VAC source install a separate that is lt 30 inverter sub panel amps Inverter pass thru Requires capability limited a separate by model used inverter sub panel Appropriate MS2000 MS2000 15B Models MS2000 20B Maximum 30A 15B models Input single pole 30A single pole Breaker 20B models Required 10 AWG 30A single pole In amp Out Minimum 10 AWG In Wire Size 12 AWG x2 Out Maximum 3600W 15B models Inverter 30A 15A leg Pass thru 120 VAC 30A max capacity 20B models 20A leg 30A max Wiring Figure 2 14 Figure 2 15 Diagram Page 31 2012 Magnum Energy Inc Installation AC Terminal Block AC input and output wiring MS2000 Inverter
48. bars a powder coated aluminum base and the internal circuit boards are conformal coated to help fight the harmful effects of corrosive environments However the inverter s life is uncertain if used in these type of environments and inverter failure under these conditions is not covered under warranty Info If the inverter is installed in an area where moisture may occur we recommend H putting silicone dielectric grease compound into the electrical ports Items 3 6 as shown in Figure 1 1 Before installing the cables or if leaving any ports open squirt a liberal amount into each port Silicone dielectric compound makes an effective moisture and corrosive barrier to help protect and prevent corrosion to the RJ11 connections Cool The inverter should be protected from direct sun exposure or equipment that produces extreme heat The ambient temperature around the inverter must not exceed 779F 25 C to meet power specifications Ventilation In order for the inverter to provide full output power and to avoid over temperature fault conditions do not cover or block the inverter s ventilation openings or install this inverter in an area with limited airflow The inverter uses two fans to provide forced air cooling these fans pull in air through the intake vents see Item 9 Figure 1 2 and blow out air through the exhaust vents see Item 13 Figure 1 3 Allow at the minimum an airspace clearance of 6 15 2 cm at the intake and exhaust vents
49. cator this green LED illuminates to provide information on inverter or charger operation Stack Accessories Connection Port red label a RJ11 port that allows series stacking and accepts the optional RSAs Remote Switch Adapters for remote on off switch operation Info The series stacking capability which allows two units to provide 120 240 VAC output is only available on the MS4024 inverter charger See the ME SSI owner s manual PN 64 0009 for additional information on series stacking Network Connection Port green label a RJ11 port that accepts optional network capable accessories i e Auto Gen Start or Battery Monitor Remote Connection Port blue label a RJ11 port that allows an optional remote control to be connected Battery Temperature Sensor Connection Port yellow label a RJ11 port that accepts the remote Battery Temperature Sensor BTS 000 EJ OOO Power ON OFF Switch Power ON OFF IM Charging Inverting nm Status LED Stack Accessories BLO charging inverting Network Pien Ten A Stack Accessories Port red label RJ11 connection Network Port green label RJ11 connection I NO Remote Port A blue label RJ11 connection Battery Temp Sensor Port yellow label RJ11 connection Figure 1 1 Power Switch Status LED and Accessory Connection Ports 2012 Magnum Energy Inc Page 2 Introduction DC Equipment Ground Te
50. ccordance with the NEC use Table 2 4 to determine the system bonding jumper size compared to the largest AC ungrounded conductor DC Side The size of the system bonding jumper SBJ in the DC electrical system must not be smaller than the DC grounding electrode conductor GEC DC used which is determined from the grounding method that will be used see Section 2 6 1 2 6 3 Equipment Grounding Conductor The inverter case and all other noncurrent carrying exposed metal surfaces in the entire electrical system that may be accidentally energized must be grounded The equipment grounding conductor must be sized to safely carry the maximum ground fault current likely to be imposed on it from where a ground fault may occur In accordance with the NEC use Table 2 6 to size the equipment grounding conductors This table requires that the equipment grounding conductor be sized according to the rating of the overcurrent device protecting the circuit CAUTI ON The connections and wiring for the equipment grounding conductor must be continuous to allow fault currents to properly operate overcurrent devices Where equipment is removed and this disconnects the bonding connection between the grounding electrode conductor and exposed conducting surfaces a bonding jumper must be installed while the equipment is removed AC Side Where the AC output from the inverter is connected to an AC load center there should be an equipment grounding conductor conne
51. ce is actively powering the inverter loads This can be prevented if your inverter is equipped with automatic neutral to ground switching WARNI NG In most electrical systems the neutral to ground bond is located in the Ji main utility service entrance panel Remove any bond downstream from the inverter to prevent multiple bonds If there is an inverter sub panel separate from a main electrical panel it should have a removable wire that allows the neutral bus to be unbonded from the ground busbar All MS Series inverter chargers have automatic neutral to ground switching to specifically work in multiple source or mobile i e truck RV boat applications The MS Series inverters use an internal relay that automatically connects the AC neutral output terminal to the vehicle boat s ground while inverting Inverter mode to provide the neutral to ground bond as shown in Figure 2 20 However when an external AC source i e shorepower or a generator is connected another neutral to ground connection is introduced in the system When the MS Series is connected to this external AC source and goes into Standby mode the internal relay automatically opens the neutral to ground connection as shown in Figure 2 21 This design keeps two neutral to ground connections from occurring at the same time thereby preventing an electrical shock hazard between the vehicle boat s neutral and the external AC source s neutral Inside MS Series Inverter Charger
52. city falls between the standard overcurrent devices found in the NEC Note Per the NEC the DC grounding electrode conductor can be a 6 AWG conductor if that is the only connection to the grounding electrode and that grounding electrode is a rod pipe or plate electrode Note May not allow continuous operation at full rated power as defined by the NEC 2012 Magnum Energy Inc Page 16 Installation Table 2 2 DC Wire Size For Increased Distance Minimum Recommended DC Wire Size one way iiid 5 feet or less 5 to 10 feet 10 to 15 feet MS2000 44 0 AWG 42 0 AWG 4 0 AWG x2 4 0 AWG not 4 0 AWG x2 recommended MS2012 4 0 AWG 2 0 AWG 4 0 AWG x2 4 0 AWG not 4 0 AWG x2 recommended MS2812 4 0 AWG 4 0 AWG 4 0 AWG x2 4 0 AWG x2 not not recommended recommended MS2024 1 AWG 4 AWG 1 0 AWG 2 AWG 2 0 AWG 1 0 AWG MS4024 4 0 AWG 2 0 AWG 4 0 AWG x2 4 0 AWG not 4 0 AWG x2 recommended Copper wire rated with 90 C 194 F insulation at an ambient temperature of 30 C 86 F 2 4 3 DC Cable Connections Do not put anything between the battery cable ring lug and the battery post or the flat metal part of the inverter s DC terminal When connecting the battery cable to the battery post or inverter DC terminal the cable should be placed directly against the inverter terminal or battery post Incorrectly installed hardware causes a high resistance connection which could lead to poor inverter charger performa
53. connected and qualified on the AC input this AC power will also be available on the AC output and is not controlled by the Power ON OFF switch Status LED Indicator The status indicator is a green LED Light Emitting Diode that provides information on the operational mode of the inverter Watch this indicator refer to Figure 3 5 for at least 10 seconds to determine the inverter s operational condition from the information below e Off Indicates the inverter is off there is no AC power inverter utility or generator at the inverter s output terminals If the LED stays off after pressing the ON OFF switch there is a fault condition such as low battery high battery overload over temperature or an internal fault Refer to the Troubleshooting section to help diagnose clear the fault condition e Slow flash blinks on once every 8 seconds Indicates float charging and the inverter is in Standby mode the external AC power that is connected to the inverter s input is passing thru the inverter and is powering the AC loads connected to the inverter s output e Medium flash blinks once every second When AC power is not connected to inverter input Indicates the inverter is on and using energy from the battery The inverter is either 1 Inverting providing full power to the loads connected to the inverter or 2 Searching conserving power and waiting for a load to be turned on that meets or exceeds the Search Watts parameter 5
54. cted between the inverter case and the grounding point in the AC load center The AC equipment grounding conductor EGC AC is sized per Table 2 6 and is connected to the inverter s AC equipment grounding terminal shown in Figure 2 8 or a grounding wire for the MS2000 models DC Side Since the currents on the DC side are higher than the AC side 10 times at 12 volts 5 times at 24 volts the equipment grounding needs are different The DC equipment grounding conductor EGC DC is sized per Table 2 6 and connected to the DC equipment grounding terminal on the inverter as shown in Item 7 Figure 1 2 Table 2 6 Equipment Grounding Conductor Sizing Rating of Overcurrent Minimum Size of Copper Device Ground Wire 12 AWG 30 60 amps 10 AWG Page 37 2012 Magnum Energy Inc Installation 2 6 4 Grounding on Boats When installing the MS Series inverter charger on a boat there are several considerations that must be followed when grounding to ensure a safe installation prevent galvanic corrosion and to adhere to ABYC American Boat and Yacht Council standards Ensure a Safe Ground Connection When AC on the boat is being supplied by shorepower the onboard neutral should be connected to safety ground on the dock Consequently neutral and safety ground should not be connected anywhere on the boat when shorepower is present When AC on the boat is being supplied by the MS Series inverter the inverter s output neutral is co
55. e Wave 0 TN dt LEE T 2 40 o0 ml 40 gt 80 TIME Figure 1 5 AC Waveforms 2012 Magnum Energy Inc Page 6 Introduction 1 4 Appliances and Run Time The MS Series inverter charger can power a wide range of household appliances including small motors hair dryers clocks and other electrical devices As with any appliance using batteries for power there is a certain length of time that it can run this is called run time Actual run time depends on several variables including the size and the type of appliance the type of batteries installed in your application as well as the battery s capacity and age Other factors such as the battery s state of charge and temperature can also affect the length of time your appliances can run Appliances TVs VCRs stereos computers coffee pots incandescent lights and toasters can all be successfully powered by your inverter Larger electrical appliances however such as stoves water heaters etc can quickly drain your batteries and are not recommended for this application All electrical appliances are rated by the amount of power they consume see Table 1 1 The rating is printed on the product s nameplate label usually located on its chassis near the AC power cord Even though it is difficult to calculate exactly how long an inverter will run a particular appliance the best advice is trial and error Your MS Series inverter has a built in safeguard that automatica
56. e circuit breakers pop out when they open press in to reset They can also be manually pulled to disconnect the inverter s loads CAUTI ON Inverter models without the output circuit breakers CB1 and CB2 must have branch rated circuit breakers installed in the inverter s output wiring CAUTI ON The inverter s internal AC transfer relay is rated for 30 amps per leg The pass thru current must be no greater than 30 amps per leg or damage to the relays may occur Model Serial Number Label Exhaust AC Input Circuit Breaker Figure 1 3 Left Side Features MS2012 MS2812 MS2024 MS4024 2012 Magnum Energy Inc Page 4 Installation AC Access Cover 15 o NS AC Output Circuit Breakers 17 16 AC Input Circuit Breaker on 15B 20B output breaker models only Notel The model shown is not 15B or 20B model therefore it does not show any AC output breakers Models without output breakers CB1 amp CB2 use carriage bolts to fill the breaker openings Figure 1 4 Left Side Features MS2000 Series 1 2 How an Inverter Charger Works There are two modes of operation associated with this inverter charger e Inverter Mode When the inverter is properly connected to batteries and turned on the direct current DC from the batteries is transformed into a pure sine wave alternating current AC This AC is similar to the voltage provided by your utility and is used to power any electrical appliances i e
57. e current available to power loads or to ensure small battery banks are not overheated because of a charge rate that is too high VAC Dropout Sets the minimum AC voltage that must be present on the AC input before the unit transfers from Standby mode to Inverter mode This protects the AC loads from utility outages and brown outs Using a remote display also provides the following features e allows you control to enable an equalize charge for certain battery types e displays inverter charger s operating status e provides fault information for troubleshooting Table 3 2 Inverter Charger Default Values Adjustable Settings Default Values Shore Max Input Amps 30 Amps Search Watts 5 Watts 12v 10 VDC one min delay 8 5 VDC no delay diio dd 24v 20 VDC one min delay 17 0 VDC no delay Batt AmpHrs Absorption Time 600 AmpHrs Absorb Time 120 minutes Flooded Liquid Lead Acid Battery Type 12V Absorb 14 6 VDC Float 13 4 VDC 24V Absorb 29 2 VDC Float 26 8 VDC Charge Rate 100 VAC Dropout 80 VAC 2012 Magnum Energy Inc Page 50 Operation 3 9 Inverter Fan Operation The inverter contains two internal cooling fans that are automatically controlled The speed of these fans is determined either by the internal temperature of the inverter or by the load on the inverter The inverter s fans will come on under the conditions listed below e Fans run full speed if the internal transistors FETS or the powe
58. ecifications 259C Subject to change without notice Page 55 2012 Magnum Energy Inc Appendix Specifications A 2 Inverter Efficiency The following curves are plotted to show the MS Series efficiency over the full power range and is displayed as a percentage This graph represents the inverter s efficiency while operating resistive loads Motors and other inductive loads run less efficiently due to the impact of power factor losses Efficiency 70 65 60 MS2000 MS2012 1 D NO 002 00t 009 Figure A 1 MS Series Efficiency Chart A 3 AC Input Voltage to Output Charge Amps The following chart shows the expected charger output capability of the MS Series The maximum charge current is dependent on the AC input voltage and the inverter battery voltage Note The output charger current shown is with the inverter battery voltage at nominal i e 25 2 volts for MS4024 MS2000 MS2012 MS2024 MS2812 MS4024 Peak Charge Amps 95 100 105 110 115 120 125 130 135 140 VAC Input Figure A 2 MS Series VAC Input to Charge Amps 2012 Magnum Energy Inc Page 56 Appendix A Specifications A 4 Optional Equipment and Accessories The following Magnum Energy components are available for use with the MS Series inverter charger Some of these items are required depending upon the intended
59. electrode conductor GEC DC is the on y connection to the grounding electrode which must be a rod pipe or plate electrode In this method since there is only one connection to the ground rod the DC grounding electrode conductor is not required to be larger than 6 AWG 13 mm copper The reasoning for allowing this smaller grounding electrode conductor is that it is only required to stabilize the system voltage with respect to earth and the other properly sized conductors in each electrical system will safely carry any fault currents if they occur AC Service Panel LAN IN Positive DC IGG LIN Sc SBJ a p SBJ 1 EES a Grounding System Grounding Electrode DC side dedicated Figure 2 19 Single Connection to DC Ground Rod Method 3 2012 Magnum Energy Inc Page 36 Installation 2 6 2 System Bonding Jumper The MS Series inverter does not include an internal bond between the grounded conductor AC neutral DC negative and the equipment grounding terminals This bond system bonding jumper SBJ is usually done in the main distribution panel for each electrical system CAUTION There should be one and only one point in each electrical system both AC and DC where the grounded conductor is attached to the grounding electrode conductor AC Side The size of the system bonding jumper SBJ in the AC electrical system is based on the area of the largest AC ungrounded conductor In a
60. eliable negative and ground return path directly to the battery e Use only copper wires with a minimum temperature rating of 75 C 2 3 3 Wire Routing Before connecting any wires determine all wire routes to and from the inverter Typical routing scenarios are e AC input wiring from the main AC panel to the inverter e ACinput wiring from a generator optional to the inverter e DC input wiring from the batteries to the inverter e AC output wiring from the inverter to the AC sub panel or to dedicated circuits e Battery Temperature Sensor cable from the inverter to the batteries e Remote control cable optional to the inverter e Ground wiring to and from the inverter 2 3 4 Torque Requirements Torque all AC wiring connections to 16 in Ibf 1 8 N m Torque DC cable connections from 10 to 12 ft Ibf 13 6 to 16 3 N m Page 13 2012 Magnum Energy Inc Installation 2 4 DC Wiring This section describes the inverter s required DC wire sizes the recommended disconnect overcurrent protection and how to make the DC connections to the inverter and the battery bank Refer to Figure 2 4 when connecting the DC wires WARNING Even though DC voltage is low voltage significant hazards may be present particularly from short circuits of the battery system CAUTION The inverter is NOT reverse polarity protected which means that if the negative and positive battery voltage is connected backwards to the inverter the inver
61. eur Une batterie peut produire un court circuit assez de courant lev pour souder les bijoux en m tal provoquant de graves br lures Ne jamais travailler seul Toujours avoir quelqu un au sein de la gamme de votre voix ou suffisamment pr s pour vous venir en aide lorsque vous travaillez pr s des batteries Utiliser des techniques de levage appropri es lorsque vous travaillez avec des piles Ne jamais utiliser de piles usag es ou non test s V rifiez l tiquette de chaque batterie l ge le type et le code de date afin d assurer toutes les batteries sont identiques Piles sensibles aux changements temporaires installer dans un environnement stable Les batteries peuvent produire des gaz explosifs etc installer les piles dans un endroit bien ventil Pour les installations compartiment ou une enceinte toujours vacuer les piles du plus haut point l ext rieur Concevoir le boitier de piles pour viter l accumulation et la concentration de gaz d hydrog ne dans poches en haut du compartiment Fournir au moins un pouce de l espace a rien entre les batteries pour fournir un refroidissement optimal Ne jamais fumer ou laisser une tincelle pr s des batteries Pour viter une tincelle la batterie et de r duire le risque d explosion toujours connecter les cables aux batteries en premier Ensuite connectez les cables l onduleur Ne jamais charger une batterie gel e La banque de la batterie doit tre install dan
62. ging Inverting Status LED comes on and flashes rapidly Once the rapid flashing has begun release the Power ON OFF button The Status LED will go off after the button is released After the inverter reset is completed press the Power ON OFF button to turn the inverter ON Some older inverter models do not allow an inverter reset If the inverter reset fails you will need to perform a power reset using the procedure below In either case if an internal fault does not clear the inverter will require repair at a Magnum Authorized Service Center ASC I nfo The Power ON OFF pushbutton is a small momentary type switch which operates by lightly pressing and releasing Be careful not to apply too much force when pushing or the switch might break 1 Press and hold the Power ON OFF pushbutton Power ON OFF U Charging Inverting Stack Accessories 2 Watch the Charging Inverting Status LED after approximately 15 seconds it should come on and flash rapidly to indicate the inverter has reset The Status LED will go off after the pushbutton is released Figure 4 1 Performing an Inverter Reset 4 5 Performing a Power Reset To perform a power reset also known as a hard reset 1 Remove all AC power utility or generator power to the inverter 2 Open all the inverter DC disconnects or disconnect the positive battery cable to the inverter 3 Ensure the inverter s and the remote are disconnected from all AC and DC power t
63. hat does not normally carry current and connects the grounded conductor and or the equipment grounding conductor to the grounding electrode at the service equipment e Grounding Electrode GE A ground rod or conducting element that establishes an electrical connection to the earth e System bonding jumper SB The connection between the grounded circuit conductor in the electrical system and the equipment grounding conductor at a separately derived system The MS Series inverter charger uses both AC and DC power however the AC electrical system is isolated from the DC electrical system by an internal transformer Although this inverter charger has two electrical systems each electrical system must be properly grounded and connected to a common earth reference Refer to Figure 2 16 For proper grounding each electrical system must connect all exposed metal parts of equipment via equipment grounding conductors EGC and one of the current carrying conductors grounded conductor GC together at a common point ground busbar GBB usually by a system bonding jumper SBJ in an electrical service disconnect panel The common point of each electrical system is then connected via grounding electrode conductor GEC to the common ground reference such as a ground rod grounding electrode GE This connection to earth should only be made at one point in each electrical system otherwise parallel paths will exist for the currents to flow
64. he remote display will be blank 4 After the inverter s has been disconnected from all power for 30 seconds reconnect the inverter DC disconnects or reconnect the positive battery cable and resume operation Info If DC disconnects are not used there may be a momentary spark when the H positive battery cable is connected to the inverter s terminal This is normal and indicates that the inverter s internal capacitors are being charged 2012 Magnum Energy Inc Page 54 Appendix Specifications Appendix Specifications and Optional Equipment A 1 Inverter Charger Specifications Models MS2000 MS2012 M52812 MS2024 MS4024 Inverter Specifications Charger Specifications General Features and Capabilities Bulk Absorb Float Equalize requires remote and Battery Saver Environmental Specifications Operating temperature 209C to 60 C 4 F to 140 F Non Operating temperature 409C to 70 C 40 F to 158 F Operating humidity 0 to 95 RH non condensing Physical Specifications 13 75 x 12 65 x 8 0 34 9 cm x 32 1 cm x 20 3 cm Height on MS2000 models is 7 0 17 8 cm 19 x 17 x 13 48 3 cm x 43 2 cm x 33 cm Max operating altitude The pass thru capability on each leg of the 15B and 20B models is limited by the output breaker size on each output MS2000 models ETL listed to UL CUL 458 CSA C22 2 No 107 1 01 and meet KKK A 1822E standard MS2024 model not listed to UL CSA stds Sp
65. he output breaker versions through the other strain relief clamp Tighten the strain relief clamp securely on the wires 2 Connect the inverter s HOT 1 OUT blue wire to the sub panel main breaker or to the hot connections on the outlets if using the output breaker versions using field wiring leads Info Depending on the AC wiring configuration you may need to connect a wire to the inverter s HOT 2 OUT orange wire see Figure 2 15 3 Connect the inverter s NEUTRAL OUT white w black wire to the sub panel s neutral busbar or to the neutral connections on the outlets if using the output breaker versions see Figure 2 15 using field wiring leads Wiring the Inverter AC Ground Combine the ground green wire from the main panel s ground busbar and the ground green wire from the sub panel s ground busbar or the ground connection on the outlets if using the output breaker versions After these grounds are combined use field wiring leads to connect them to the inverter s AC GROUND green wire AC Wiring Inspection 1 Verify all wire runs are secured If installed in a mobile installation use wire ties or other non conductive fasteners to prevent chafing or damage from movement and vibration 2 Verify strain reliefs or grommets are in place to prevent damage to the wiring or conduit where it passes through walls bulkheads or other openings 3 After verifying all AC connections are securely fastened replace the AC wiring
66. he same platform as our popular ME and RD Series modified sine wave inverters allowing for an easy upgrade to a pure sine wave inverter from the original ME or RD Series installation This standard platform also helps reduce cost by using standard parts accessories across many models Magnum accessories such as the Advanced Remote Control ME ARC Standard Remote Control ME RC Automatic Generator Start Networked ME AGS N and Battery Monitor Kit ME BMK can be used 1 3 1 Output Waveform The inverter s output waveform is the shape of the wave that alternating current makes as its voltage rises and falls with time see Figure 1 5 below The three basic output waveforms are e Modified Sine Wave Also referred to as a quasi sine wave or a modified square wave This output looks like a one step staircase and the waveform changes its width to continually provide the correct RMS output voltage regardless of the battery voltage Most loads that run from a sine wave will also run from a modified sine wave However things such as clocks and furnace controllers may have trouble e Sine Wave An AC waveform that looks like rolling waves on water It rises and falls smoothly with time The grid puts out a sine waveform Any plug in AC equipment will operate from a sine wave output inverter e Square Wave The simplest AC waveform Some types of equipment behave strangely when powered from a square wave inverter 200 160 Squar
67. his model has a slightly smaller height but otherwise has the same footprint as the other MS Series inverters The MS2000 uses wire leads to connect the AC wires and can be wired in a single in single out configuration as well as a single in dual out configuration 15B amp 20B The following steps are basic guidelines for installing and connecting the AC wiring into and out of the inverter Refer to Table 2 4 to determine your AC wiring configurations before beginning WARNING Before making any AC connections make sure the inverter is disconnected from the battery and that no AC power is connected to the inverter Wiring the Inverter AC Input 1 Remove the two Phillips screws on the AC access cover Item 15 Figure 1 3 to access the internal AC wiring 2 Route the wires hot neutral and ground from the AC electrical main panel through one of the strain relief clamps to the AC INPUT Tighten the strain relief clamp securely on the wires Always leave a little extra slack in the wiring 3 Connect the AC hot in wire black from the main panel s dedicated breaker to the inverter s black HOT IN wire using field wiring leads 4 Connect the AC neutral in wire white from the main panel s neutral busbar to the inverter s white NEUTRAL IN wire using field wiring leads Wiring the Inverter AC Output 1 Route the wires hot neutral and ground from the inverter s AC OUTPUT to the AC electrical sub panel or outlets if using t
68. hould be located in a heated area At the minimum the batteries should be installed in an insulated enclosure which will keep the batteries warmer as they are being charged The battery bank should also be protected from high temperatures which will shorten battery life In high heat situations the battery room enclosure should be ventilated to bring in cooler air and exhaust the hotter air The performance of the battery bank inverter system will substantially increase by monitoring and preventing extreme temperatures around the batteries B 4 Battery Bank Sizing The size of the battery bank determines how long the inverter will power the AC loads without recharging The larger the battery bank the longer the run time Size your battery bank to the systems AC load requirements and length of time required to run from the batteries In general the battery bank should not be discharged more than 50 Additional DC charging devices such as solar wind hydro etc can provide longer run times by recharging the batteries in the absence of AC utility or generator power Info For the MS Series inverter charger to perform optimally a minimum battery H bank of 200 AH is recommended for moderate loads 1000W and greater than 400 AH for heavy loads Z1000W 2012 Magnum Energy Inc Page 58 Appendix B Battery Information B 5 Battery Bank Sizing Worksheet Complete the steps below to determine the battery bank size required to power your
69. i AC power utility power or AC generator are de energized i e breakers opened fuses removed before proceeding to prevent accidental shock 2 3 1 Protecting Wire Conduit Box The AC and DC wires to and from the inverter must be protected as required by code This can be done by using jacketed wires or by feeding the wires through conduit Magnum offers a DC conduit box ME CB a single inverter enclosure MMP Series and a multiple inverter enclosure MP Series that include the necessary AC and DC inverter breakers that allow both the AC and DC conduit to be connected to the inverter I nfo The strain reliefs can be removed and replaced with 3 4 grommets if you are using H either the ME CB conduit box MMP or MP enclosure and the AC wires are individual conductors i e not jacketed 2 3 2 Wiring Requirements e All conductors that are at risk for physical damage must be protected by conduit tape or placed in a raceway e Always check for existing electrical plumbing or other areas of potential damage prior to making cuts in structural surfaces or walls e Do not mix AC and DC wiring in the same conduit or panel unless specifically approved designed for both AC and DC wiring Where DC wiring must cross AC or vice versa try to make the wires at the crossing point perpendicular 90 degrees to one another e Both AC and DC overcurrent protection must be provided as part of the installation e The inverter requires a r
70. i kid dadas ia tx ordiri ankh ada xcu aa qo c a Wd RE MR RR ra ra da 56 Figure A 2 MS Series VAC Input to Charge Amps nnnm hern nhan nnns 56 FOURS BEL Series Battery I a NEM EN URN 60 Figure B 2 FPS INN 60 Figure B 5 Series Parallel Battery Wine reset anse REG eR nib RR Rl a ACRES ARR 60 Figure B 4 Battery Bank Wiring Examples 12 v0 Larssen drake 61 Figure B 5 Battery Bank Wiring Examples 24 VOIE aan sessi tro ERE DES EEREREPEFETERUCEKEFPETAAYPYP PARE I amp R 62 Page vii 2012 Magnum Energy Inc List of Tables Table 1 1 Typical Appliance Power Consumption eee nennen emen nennen 7 Table 2 1 Recommended DC Wire Overcurrent Device for Rated Use enn 16 Table 2 2 DC Wire Size For Increased Distance avauuanunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnrnnnennnnnunee 17 Table 2 3 AC Input Output Wiring Configurations MS2012 MS2812 MS2024 MS4024 24 Table 2 4 AC Input Output Wiring Configurations MS2000 models 31 Table 2 5 AC Grounding Electrode Conductor Sizing Rss 35 Table 2 6 Equipment Grounding Conductor SIZING ssaasaaxaksamsatexsdieiesaiuti as saw Rao eX d RE aa RR 37 Table 3 1 Inverter Battery Turn On Off LevelS sesesssssssnsnsnsnsnrnnsnnnsururnnensnrnrnrnnnrsrrnrnnne 48 Table 3 2 Inverter Charger Default Values sesesssssssrensnsnsunnnunnnsnsnnnnnnnnnnnnrnnnnsnsnsnnnnnnnnnno 50 Table 3 3 Inverter Compatibility Level ee a 51 Table 4 1 Basic Troubleshooting
71. ic Transfer Relay inside the inverter An automatic switch that switches between Inverter and Standby mode depending on availability of AC input power If AC is present the unit will be a battery charger and pass power thru the inverter When the AC goes away the unit becomes an inverter Bulk Charge Stage The first stage in three stage charging In this stage a constant current is fed to the batteries and as they accept the current the battery voltage will rise CEC Canadian Electrical Code The guidelines and acceptable practices for electrical installations in Canada Current Amps The amount of electricity flowing through a conductor DC Direct Current Electrical current that does not vary with time i e battery voltage Deep Cycle A deep cycle occurs when a battery is discharged to less than 20 of its capacity 80 depth of discharge Deep Cycle Battery A battery designed to be routinely discharged to 20 of its maximum capacity without damage This type of battery is recommended for use with an inverter system Derating As an inverter or charger is used above its normal temperature it s capacity to power loads or charge continuously is decreased Digital Volt Meter DVM True RMS A voltmeter that incorporates a RMS converter to read true RMS for any waveform shape Averaging Type A voltmeter that requires a sine wave waveform shape to provide an accurate reading Efficiency Usually given as a
72. ide the AC wiring compartment locate the green wire with the insulated connector see Figure 2 22 This insulated connector connects the neutral and ground inside the inverter while inverting ET Neutral to 3 Pull the two ends of the insulated connector M bpnepnengenmen5e Ground apart to separate the green wire this will EE Connection prevent the neutral and ground from con BS ni ETE green wire necting inside this inverter 4 Move the two disconnected ends away from each other and push back out of the way You must ensure that the two connector ends will Eu not have any contact with any other wires within the AC compartment You may want to use electrical tape to insulate the ends and secure them out of the way 2 6 7 Connecting a Large DC Ground Wire Some marine installations require the DC ground wire to be the same size or one size smaller than the negative cable Use the following steps to allow a larger ground wire to be connected 1 Locate and remove the AC access cover plate Item 15 in Figure 1 3 on the MS inverter 2 Locate the DC ground terminal Item 7 in Figure 1 2 3 Within the AC wiring area locate the hex nut on the back side of the DC ground termi nal After locating the hex nut use a 7 16 wrench nut driver to remove the hex nut bolt lock washer and DC ground terminal remove them from the chassis 4 Reverse the removed bolt and place it back in the chassis
73. iption MS Series Owner s Manual Part Number and Revision 64 0007 Rev D Date Published August 2012 This entire manual is available for download with many of the diagrams available in color under the Document Library tab on our website at www magnumenergy com Contact Information Magnum Energy Inc 2211 West Casino Rd Everett WA 98204 Phone 425 353 8833 Fax 425 353 8390 Web www magnumenergy com Statement of Appreciation Thank you from all of us at Magnum Energy for purchasing this MS Series inverter charger We understand that you have many purchasing options in the marketplace and are pleased that you have decided on a Magnum Energy product This MS Series inverter charger was proudly assembled and tested in the United States in our Everett Washington facility At Magnum we are committed to providing you with quality products and services and hope that your experience with us is pleasant and professional Record unit s model amp serial number in case you need to provide this information in the future Mode O Serial Number MS2000 15B 20B MS2012 15B 20B MS2024 MS4024 Magnum Energy is a registered trademark of Magnum Energy Inc a RC zi KENNEN Dim Ww o KENNEN o o Page i 2012 Magnum Energy Inc Safety Information IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTI ONS THIS MANUAL CONTAINS IMPORTANT INSTRUCTIONS FOR THE MS SERIES INVERTER CHARGER THAT SHALL BE FOLL
74. is applied and the inverter begins operating as a battery charger 2 Battery voltage rises to the LBCI Low Battery Cut In level Refer to Table 3 1 to determine the LBCO and LBCI levels for your inverter model e High Battery In the event the battery voltage approaches the HBCO High Battery Cut Out level the inverter will automatically shut down to prevent the inverter from supplying unregulated AC output voltage The inverter s status LED turns off when a high battery fault condition occurs The inverter will automatically restart when the battery falls to the HBCI High Battery Cut In level Refer to Table 3 1 to determine the HBCO and HBCI levels for your inverter model Info High battery voltage may be caused by excessive or unregulated voltage from the solar panels or other external charging sources e Overload During inverter and standby operation the inverter monitors the DC and AC current levels In the event of a short circuit or an overload condition for more than a few seconds the inverter will shut down To start operating after this fault the inverter must be restarted turned back on once the inverter s AC loads are reduced removed e Over temperature If internal power components begin to exceed their safe operating temperature level the inverter will shut down to protect itself from damage The inverter s status LED turns off to indicate the over temperature fault condition The inverter automatically restarts afte
75. l Charge after 4 hours in i Float Charge iJ Constant Reduced Monitored ne rrran Current Current Current NO Current Figure 3 3 Automatic 4 Stage Charging Graph 2012 Magnum Energy Inc Page 46 Operation 3 4 Transfer Time While in Standby mode the AC input is continually monitored Whenever AC power falls below the VAC dropout voltage 80 VAC default setting the inverter automatically transfers back to Inverter mode with minimum interruption to your appliances as long as the inverter is turned on The transfer from Standby mode to Inverter mode occurs in approximately 16 milliseconds While the MS Series is not designed as a computer UPS system this transfer time is usually fast enough to hold them up However the VAC dropout setting has an effect on the ability of the loads to transfer without resetting The lower this setting the longer the effective transfer will be and therefore the higher the probability for the output loads to reset This occurs because the incoming AC voltage is allowed to fall to a level that is so low that when the transfer does occur the voltage on the inverter s output has already fallen low enough to reset the loads The disadvantage of a higher VAC dropout setting is that smaller generators or large generators with an unstable output may nuisance transfer This commonly happens when powering loads that are larger than the generator can handle causing the generator
76. l bits e Pencil or marker e Multimeter e Level e 1 2 wrench 2012 Magnum Energy Inc Page 8 Installation Utility Power Generator Power 120 240VAC Output 120 240VAC Output 9 ME AGS N Auto Gen Start Controller Magnum Accessory ME RC50 ME ARC50 Transfer Switch d Main Panel 120VAC inverter power or 120 240VAC pass thru power to sub panel 120 240VAC E 5 power to 3 5 inverter F 5 gt A BF menj MS Series s i A AL E Lire Inverter ND Eu mn HH dM dS AS Charger MD Hou E i ae E E ml en LA 16 DC 120 240 120 DC Overcurrent VAC VAC VAC Protection breaker or fuse switch Battery Monitor with shunt Magnum Accessory Battery Bank ME SBC Smart Battery Combiner Magnum Lj Accessory Figure 2 1 Simplified Installation Diagram for Permanent Installations Page 9 2012 Magnum Energy Inc Installation 2 1 3 Locating the Inverter Only install the inverter in a location that meets the following requirements Clean and Dry The inverter should not be installed in an area that allows dust fumes insects or rodents to enter or block the inverter s ventilation openings This area also must be free from any risk of condensation water or any other liquid that can enter or fall on the inverter The inverter uses stainless steel fasteners plated copper bus
77. lly protects your batteries from over discharge Info For optimum performance a minimum battery bank of 200 AH is recommended H for moderate loads 1000W and greater than 400 AH for heavy loads Z1000W Table 1 1 Typical Appliance Power Consumption Device Load Device Load 400W Coffee Maker 1200W 300W Color TV 150W 10W Page 7 2012 Magnum Energy Inc Installation 2 0 Installation or certified electrician It is the installer s responsibility to determine which safety codes apply and to ensure that all applicable installation requirements are followed Applicable installation codes vary depending on the specific location and application of the installation CAUTION Review the Important Product Safety Information on pages ii v before any installation H Info Installations should be performed by qualified personnel such as a licensed CAUTION The inverter is heavy Use proper lifting techniques during installation to prevent personal injury The simplified system diagram shown in Figure 2 1 should be reviewed to assist you in planning and designing your installation This drawing is not intended to override or restrict any national or local electrical codes This drawing should not be the determining factor as to whether the installation is compliant that is the responsibility of the electrician and the on site inspector 2 1 Pre Installation Before proceeding read the entire Installation
78. m the battery supplier before installing the inverter and batteries CAUTION Do not mount the batteries beneath the inverter or in the same AN compartment Batteries emit corrosive fumes which could damage the inverter s electronics Never locate dedicated batteries near a vehicle home fuel tank containing gasoline or propane B 2 Battery Types Batteries are available in different sizes amp hour ratings voltage and chemistries They are also available for starting applications such as an automobile starting battery and deep discharge applications Only the deep cycle types are recommended for inverter applications using a starting battery in an inverter deep cycle application will greatly shorten their useful life Choose the batteries best suited for the inverter installation and cost Use only the same battery type for all batteries in the bank For best performance all batteries should be from the same lot and date This information is usually printed on a label located on the battery B 3 Battery Temperature Battery performance of lead acid type batteries is greatly affected by extreme temperatures When a lead acid type battery is cold its effective amp hour capacity is reduced When determining the battery requirements needed for the inverter system realize that the battery capacity will be reduced if they will be installed in a climate where extremely cold temperatures are expected In this type of environment the batteries s
79. mation 2012 Magnum Energy Inc Page ii Safety Information Overcurrent protection for the AC output wiring is not provided as an integral part of this inverter Overcurrent protection of the AC output wiring must be provided as part of the system installation Refer to Section 2 5 AC Wiring for more information The AC output neutral conductor and the DC negative conductors are not connected bonded to the inverter chassis Both the input and output conductors are isolated from the enclosure and each other System grounding if required is the responsibility of the system installer and must comply with local and national electrical codes and standards Refer to the Section 2 6 Grounding Inverters for more information Battery Safety Use insulated tools and be very careful when working around batteries they can produce extremely high currents if short circuited e g dropping a metal tool across the battery terminal which could cause a fire or explosion Read and follow the battery manufacturer s safety precautions before installing the inverter and batteries Always verify proper polarity and voltage before connecting the batteries to the inverter Once the batteries are connected to the inverter ensure the maintenance and charging requirements i e charge voltage and charge rate provided by the battery manufacturer are followed to extend the life of the batteries and to prevent damage to the batteries while charging
80. ments e DC Grounding Connections 1 The DC grounding conductor equipment ground shall be a connected from the metallic case or chassis of the inverter charger to the engine negative terminal or its bus b of an ampacity equal to that of the DC positive conductor under certain conditions there is an exception to allow this conductor to be one size smaller refer to the ABYC standard 2 The inverter charger s negative battery terminal and DC grounded conductor negative cable shall not be connected to the inverter case or chassis at the inverter charger itself e AC Grounding Connections 1 The AC grounding conductor green shall be connected to the inverter charger in a manner so that the AC ground connection will not be disconnected in servicing This conductor is in addition to and independent of the DC grounding conductor 2 The neutral for AC power sources shall be grounded only at the following points a the shorepower neutral is grounded only through the shorepower cable and not grounded on board the boat b the inverter neutral shall be grounded at the inverter and the output neutral shall be disconnected from ground when the inverter is operating in the charger pass through mode c on systems using an isolation transformer or a polarization transformer the inverter neutral and the transformer secondary neutral may be grounded at the AC main grounding bus instead of at the inverter Note See the ABYC Standard for
81. n below 13 34 34 9 cm 4 7 8 4 7g Right 12 4 cm yx 12 4 cm side 12 Back 30 5 cm side 2 Un 12 8 32 1 cm Keyhole slots x4 and mounting holes x4 accept up to 9 32 7 mm screw bolt Figure 2 3 MS Series Dimensions and Side Reference 2012 Magnum Energy Inc Page 12 Installation 2 3 Wiring the Inverter General Requirements This section describes the requirements and recommendations for wiring the MS Series inverter charger Before wiring the MS Series inverter charger carefully read all instructions Wiring should meet all local codes and standards and be performed by qualified personnel such as a licensed electrician The NEC National Electric Code ANSI NFPA 70 for the United States and the CEC Canadian Electrical Code for Canada provide the standards for safely wiring residential and commercial installations The NEC CEC lists the requirement for wire sizes overcurrent protection and installation methods and requirements Inverter charger systems involve power from multiple sources inverter generator utility batteries solar arrays etc which make the wiring more hazardous and challenging The input and output AC and DC circuits are isolated from the inverter chassis The inverter system grounding is the responsibility of the installer in accordance with the NEC CEC WARNING Ensure all sources of DC power i e batteries solar wind or hydro and J
82. n the BTS is connected the battery charger uses a value of SmV C Cell from 0 509C to change the charge voltage based on temperature Temperature Compensation using BTS 12VDC units 24VDC units 0 75V 1 5V 0 6V 1 2V 0 9V 0 6V 0 3V No Change 0 3V 0 6V 0 9V 1 2V 1 5V 5C 10C 15C 20C 25C 30C 35C 40C 45C 50C 32F 41F 50F 59F 68F 77F 86F 95F 104F 113F 122F O O a O gt O O pum a L O 2 1 Oo Oo O f O O c a C O Temperature reading from BTS Figure 3 4 BTS Temperature to Charge Voltage Change Page 47 2012 Magnum Energy Inc Operation 3 6 Protection Circuitry Operation The inverter is protected against fault conditions and in normal usage it will be rare to see any However if a condition occurs that is outside the inverter s normal operating parameters it will shut down and attempt to protect itself the battery bank and your AC loads If there is a condition that causes the inverter to shut down it may be one of the following conditions also refer to the Troubleshooting section Section 4 4 to help diagnose and clear the fault condition e Low Battery The inverter will shut off whenever the battery voltage falls to the LBCO Low Battery Cut Out level to protect the batteries from being over discharged After the inverter has reached the LBCO level and turned off the inverter will automatically restart after one of the following conditions 1 AC Power
83. nce and may melt the cable and terminal connections Refer to Figures 2 5 and 2 6 to connect the DC cables and to stack the hardware correctly Tighten the terminal connections from 10 to 12 ft Ibf 13 6 to 16 3 N m CAUTI ON The DC terminal and Flange Kep nuts are made of stainless steel which have a high likelihood of seizure To help prevent the bolt and nut from seizing causing the bolts to strip or snap break off the use of anti seize lubricant is highly recommended Info If antioxidant grease or spray is used apply it after all the connections have been made and are properly tightened Info A 1 2 inch wrench or socket is used to tighten the 5 16 SAE Flange Kep nuts nut N split master a Battery flat washer ve S N gt CAUTION Ensure nothing is placed between the DC terminal and ring lug CAUTI ON Ensure nothing is i se 5 16 18 placed between battery cable nverter ermina Flange or the cable ring lug with ring lug 5 16 18 bolt Kep nut and battery post 5 8 usable length battery battery cable post with ring lug Figure 2 5 Battery Hardware Installation Page 17 Figure 2 6 Inverter DC Hardware Installation 2012 Magnum Energy Inc Installation 2 4 4 Wiring the DC Overcurrent Protection Device fuse disconnect or circuit breaker must be provided in the DC positive line between the battery and the inver
84. ned to obtain a 60 amp pass thru capability see Figure 2 10 When tying the AC HOT 1 and HOT 2 together for a 60 amp continuous pass thru capability the AC input to the inverter requires a 60 amp continuous duty rated breaker which corresponds to a minimum cable size of 6 AWG in conduit If you are using other circuit breakers wire sizes refer to the appropriate electrical codes for sizing requirements CAUTI ON The inverter s internal AC transfer relay contacts are rated for 30 amps AN each leg the pass thru current for relay contact must be no greater than 30 amps or damage to this relay may occur Note On 15B and 20B models the pass thru current is limited by the inverter s output breaker size Note The 15B and 20B models have a single AC input and cannot be configured for a 60 amp pass thru capability Page 21 2012 Magnum Energy Inc Installation 2 5 3 Recommended GFCI Ground Fault Circuit Interruption Outlets In compliance with UL standards Magnum Energy has tested the following GFCIs and find that they function properly when connected to the inverter s AC output e Shock Sentry ZXGF15V SP e Leviton Smart Lock 8899 A e Hubbel ZGF520EMBKA CAUTION Ground Fault Circuit Interrupters GFCIs shall be installed in the recreational vehicle wiring system to protect all branch circuits 2 5 4 AC Terminal Block Connections MS2012 MS2812 and MS4024 The MS2012 MS2812 and MS4024 models have a six pole A
85. nel and Outlets Utility Generator Input Inverter Loads Figure 2 10 AC Wiring for Single In Single Out 60 A Configurations 2012 Magnum Energy Inc Page 26 Installation AC Terminal Block AC input and output wiring MS2012 15B or MS2012 20B Inverter e 0 y o 9 0 JD D rep ft S HW a NH Vf mH Macha EPA EE are AC GROUNDS to from both panels LNO LOH DV LNO T LOH DV jaued urew woy NI LOH DV jaued urew wou NI T LOH DV joued ulew wos NI LAAN DV LNs DZ els LS S SIS Direct from Inverter Inverter Loads SIR S 8 120 120 VAC VAC Q Is Q S S V ON ON ON ON ON ON Maximum breaker size required to inverter AC input depends on model used MS2012 15B 45 amp breaker single pole MS2012 20B 60 amp breaker single pole These breaker sizes allow full charging and full pass thru capability for your inverter model 3440 340 3440 440 440 440 NO NO NO NO NO NO OFF OFF OFF OFF OFF OFF Main Panel Utility Generator Input Figure 2 11 AC Wiring for Single In Dual Out Configurations Page 27 2012 Magnum Energy Inc Installation AC Terminal Block AC input and output wiring MS Series Inverter o LG o o 9 BA n en n go ENERGY jaued qns 03 LNO LNAN JV jaued qns 0 LNO Z LOH DV NI Z LOH DV NI I LOH DV pem O 3 3
86. nformation on the full range of settings for each function in your remote refer to its owner s manual at www magnumenergy com Shore Max Input Amps This setting ensures the inverter AC loads receive the maximum current available from the utility or generator power When the total current used to power the AC loads and charge the batteries begins to approach the Shore Max setting the current that was used for charging the batteries will automatically be reduced Search Watts This setting allows you to turn off the power saving Search mode circuitry or to adjust the power level at which the inverter will wake up and start inverting LowBattCutOut This setting determines when the inverter will turn off based on low battery voltage The inverter turns off automatically after the battery voltage has been below this setting for more than one minute This protects the batteries from over discharge and the AC loads from unregulated power brown outs Batt AmpHrs Absorption Time This setting allows the user to input the battery bank size in amp hours or to set the absorption time which tells the charger how long to charge the batteries in the Absorb Charge stage Battery Type Sets the type of batteries being used in the system This information tells the charger what voltage level to use to charge the batteries Charge Rate This setting can be used to turn off the charger limit the amount of current that the charger can use leaving mor
87. nnected to safety ground through an internal relay using its neutral to ground connection shown in Figure 2 20 The DC ground terminal on the MS Series must also be connected to the boat s safety ground bus This ensures that both the inverter s AC and DC ground terminals are connected to the boat s safety ground bus as a safety measure to provide protection against faults and to provide a path for AC fault currents while the boat is connected to shorepower Preventing the Risk of Corrosion The inverter s AC and DC ground terminals must be connected to the boat s safety ground to provide an important safety feature However this ground connection introduces the risk of galvanic corrosion and or electrolysis of the boat s underwater metallic hardware Two possible solutions are typically used to maintain the correct onboard grounding requirements while greatly reducing if not eliminating the risk of galvanic corrosion These solutions would be either using a galvanic isolator or an onboard isolation transformer Galvanic isolators allow high AC voltage faults to pass but block low voltage corrosion electrolysis currents from conducting Marine isolation transformers allow the shorepower to be connected to one side of the transformer and the boat s AC wiring system is connected to the other side Since transformers do not allow DC currents to pass the problem with galvanic corrosion is eliminated ABYC Inverter Charger Grounding Require
88. nverter enclosure installed on the inverter s bottom I nfo The ME CB MMP and MP Series enclosures prevent material from falling out the H bottom in the event of an internal fire and also allow sufficient ventilation to prevent the inverter from overheating under normal operating conditions The MP HOOD inverter hood helps prevent items from falling inside causing damage to the inverter Info Magnum provides a backplate for mounting the inverter These backplates also H provide the ability to mount either the MMP Series enclosure PN BP MMP or the MP Series Enclosure PN BP S single plate or BP D dual plate After determining the mounting position refer to the physical dimensions as shown in Figure 2 3 or use the base of the inverter as a template to mark your mounting screw locations After marking the mounting screw locations mount the unit with appropriate mounting hardware Noncombustible surface A surface made of material that will not ignite burn support combustion or release flammable vapors when subjected to fire or heat as per the ASTM E136 standard For the most part these are materials that are largely comprised of inorganic materials such as stone steel iron brick tile concrete slate and glass Avoid common building materials such as gypsum board as well as any paint wall coverings and all types of wood SHELF OR TABLE MOUNTED UP SIDE DOWN SHELF OR TABLE MOUNTED RIGHT SIDE UP Watt MOUNTED D
89. nverter s compatibility level L1 L2 L3 or L4 based on your inverter s software revision Table 3 3 Inverter Compatibility Level I NV CHG Level 1 Level 2 Level 3 Models L1 L2 L3 MS2000 xxB gt Rev 2 6 gt Rev 3 6 gt Rev 4 2 MS2012 xxB gt Rev 2 6 gt Rev 3 6 MS2812 Rev2 6 gt Rev3 6 NA NA MS2024 MS4024 gt Rev 2 6 gt Rev 3 6 3 After determining the inverter s compatibility level refer to the remote s compatibility matrix find it online at www magnumenergy com under the Service and Support tab to determine which remote features settings you can use based on your inverter s compatibility level Note If your inverter s compatibility level is the same or greater than the Inverter Model Level Required on the remote compatibility matrix on our website then your inverter can support the device setting feature you want If your inverter does not have the required compatibility level for a feature setting you want contact Magnum Energy to determine if there is a software upgrade option for your inverter Page 51 2012 Magnum Energy Inc Maintenance and Troubleshooting 4 0 Maintenance and Troubleshooting The following information is provided to help you keep your MS Series inverter charger in optimum operational condition 4 1 Recommended Inverter and Battery Care The MS Series inverter charger is designed to provide you with years of trouble free service Even though the
90. nverter s input is switched ON to allow battery charging Verify the inverter is switched OFF Switch OFF all unnecessary AC and DC loads Disable the AGS if installed when the RV boat or truck is in a confined storage area WARNI NG If an AGS were to start and run the generator for an extended period of time in a confined area a potentially fatal level of CO Carbon Monoxide could accumulate 2012 Magnum Energy Inc Page 52 Maintenance and Troubleshooting 4 3 Troubleshooting The MS Series inverter charger is a fairly simple device to troubleshoot The following chart is designed to help you quickly pinpoint the most common inverter failures Table 4 1 Basic Troubleshooting Symptom Possible Cause Recommended Solution No output power Inverter is switched OFF Switch the inverter ON PAPERS REC ORNE Battery voltage is too low The battery Check fuses circuit breakers and cable connections voltage level has dropped below the Check battery voltage at the inverter s terminals Your Low Battery Cutout LBCO set point batteries may need to be charged this fault condition for more than one minute will automatically clear when the battery voltage exceeds the LBCI voltage The battery voltage is too high The This condition usually only occurs when an additional inverter automatically resets and charging source alternator solar panels or other resumes operation when the battery external charging sources i
91. ome on 8 Even though the light bulb is on the inverter is currently disabled off Press and release the ON OFF switch on the inverter to enable turn on the inverter 9 Disconnect the incoming AC power to the inverter Verify the light bulb remains on and is now powered by the inverter If the inverter passes all the steps the inverter is ready for use If the inverter fails any of the steps refer to the Troubleshooting section in this manual 2012 Magnum Energy Inc Page 42 Installation AC Terminal Block AC Output 120 Vac Figure 2 25 AC Voltage Checks AC Wiring Compartment BLACK Neutral to Ground AC Output 120 Vac Figure 2 26 AC Voltage Checks MS2000 models AC Wiring Compartment Neutral to Ground lt 0 5 Vac AC Output 120 Vac 5 AC Output 120 Vac 5 Figure 2 27 AC Voltage Checks MS2000 15B 20B models Page 43 2012 Magnum Energy Inc Operation 3 0 Operation The MS Series inverter has two normal operating routines Inverter mode which powers your loads using the batteries and Standby mode which transfers the incoming AC current i e utility power or a generator to power your loads and to recharge the batteries This inverter also includes an extensive protection circuitry to shut down the inverter under certain fault conditions 3 1 Inverter Mode When the MS Series is first powered
92. onitoring for acceptable AC voltage Once the AC voltage is accepted the AC transfer relay closes the charge mode begins After the charge mode begins the inverter s battery voltage is monitored to determine the charging stage If the battery voltage is low lt 12 8 VDC 12 volt models or lt 25 6 VDC 24 volt models the charger begins Bulk charging If the DC voltage is high gt 12 8 VDC 12 volt models or gt 25 6 VDC 24 volt models the charger will skip the Bulk and Absorb charge stages and go directly to Float charging However if the incoming AC power is lost and returns within 2 minutes the charge mode returns to the charge stage it was in prior to losing AC input regardless of the battery voltage The multi stage charger in the MS Series can use up to five different charging stages to help monitor and keep the batteries healthy The five stages include an automatic 4 stage charging process see Figure 3 3 Bulk Absorb Float and Full Charge and a manual Equalization EQ charge stage The automatic 4 stage charge process provides complete recharging and monitoring of the batteries without damage due to overcharging The EQ stage requires a remote display to enable is used to stir up stratified electrolyte and to reverse any battery plate sulfation that may have occurred While charging the unit may go into charger back off protection which automatically reduces the charge current to the batteries This is caused by 1 The internal tem
93. original purchaser must prove the product s original date of purchase by a dated bill of sale itemized receipt The original purchaser shall return the product prepaid to Magnum Energy in Everett WA After the completion of service under this limited warranty Magnum Energy will return the product prepaid to the original purchaser via a Magnum selected non expedited surface freight within the contiguous United States and Canada this excludes Alaska and Hawaii This limited warranty is voided if e the product has been modified without authorization e the serial number has been altered or removed e the product has been damaged from abuse neglect accident high voltage or corrosion e the product was not installed and operated according to the owner s manual How to Receive Repair Service If your product requires warranty service or repair contact either Li An Authorized Service Center which are listed on the Magnum Energy website under the Service and Support tab www MagnumEnergy com or 2 Magnum Energy Inc at Telephone 425 353 8833 Fax 425 353 8390 Email warranty magnumenergy com If returning the product directly to Magnum Energy for repair you must e Return the unit in the original or equivalent shipping container e Receive a Return Materials Authorization RMA number from the factory prior to the return of the product to Magnum Energy for repair e Place RMA numbers clearly on the shipping container or on
94. perature is too hot the charger automatically reduces the charge rate to maintain temperature or 2 The AC input voltage falls below 90 VAC the charger will stop charging to help stabilize the incoming AC voltage Page 45 2012 Magnum Energy Inc Operation The Charge mode provides up to four separate charging stages Bulk Charging Absorb Charging Float Charging and Full Charge Bulk Charging This is the initial stage of charging While bulk charging the charger supplies the battery with controlled constant current The charger will remain in bulk charge until the absorption charge voltage determined by the Battery Type selection is achieved The inverter s green LED stays ON solid to indicate bulk charging Absorb Charging This is the second charging stage and begins after the absorb voltage has been reached Absorb charging provides the batteries with a constant voltage and reduces the DC charging current in order to maintain the absorb voltage setting The inverter s green LED flashes once every second fast flash to indicate absorption charging for 2 hours determined by the Battery AmpHrs selection then switches to float charging Float Charging The third charging stage occurs at the end of the absorb charging time While float charging the charge voltage is reduced to the float charge voltage determined by the Battery Type selection In this stage the batteries are kept fully charged and ready if needed by the in
95. port or sell power back into the utility grid The MS Series has been tested and listed to UL 458 5th Edition Power Converters Inverters and Power Converter Inverter Systems for Land Vehicles and Marine Crafts and UL 1741 2nd Edition Inverters Converters and Controllers for Use in Independent Power Systems for use in the US and is also certified to CSA C22 2 No 107 1 01 General Use Power Supplies for use in Canada It has been tested and certified to these product safety standards by Intertek Testing Services known as ETL which is a Nationally Recognized Testing Laboratory NRTL NRTL S are qualified organizations that meet Occupational Safety and Health Administration OSHA regulations to perform independent safety testing and product certification The MS Series also meets the KKK A 1822E standard for use in ambulances Note The MS2000 models are not listed to the UL 1741 standard Page 1 2012 Magnum Energy Inc Introduction 1 1 Features and Benefits The MS Series inverter charger is designed to allow easy access to wiring circuit breakers and controls Its die cast baseplate with one piece aluminum cover ensures maximum durability with minimum weight as well as a cooler more efficient operation The front of the MS inverter is equipped with the following features refer to Figures 1 1 and 1 2 Power ON OFF Switch a momentary pushbutton switch that alternately turns the inverter on or off Status LED Indi
96. r Required when operating 240 VAC loads and separate 120 VAC loads from either inverter Parallel Two inverters operating together to provide twice the continuous capacity on a single output circuit Required when a single load is too large for one inverter Stratification Over time a battery s electrolyte liquid tends to separate The electrolyte at the top of the battery becomes watery while at the bottom it becomes more acidic This effect is corrosive to the plates Sulfating As a battery discharges its plates become covered with lead sulfate During recharging the lead sulfate leaves the plates and recombines with the electrolyte If the lead sulfate remains on the plates for an extended period of time over two months it hardens and recharging will not remove it This reduces the effective plate area and the battery s capacity Temperature Compensation Peak available battery voltage is temperature dependent As ambient temperatures fall the proper voltage for each charge stage needs to be increased A Battery Temperature Sensor BTS automatically re scales charge voltage settings to compensate for ambient temperatures Voltage The pressure that causes electrical flow in a circuit Watts Measure of power output or utilization Watts Volts x Amps 2012 Magnum Energy Inc Page 64 Appendix D Warranty amp Service Limited Warranty Magnum Energy Inc warrants the MS Series to be free from defects in material
97. r moderate loads lt 1000W and greater than 400 AH for heavy loads 21000W Depending upon the voltage of the batteries you use in the installation 6 or 12 VDC the batteries must be wired in series parallel or series parallel to provide the correct voltage see Appendix B Battery Information for guidance on wiring batteries together The interconnecting DC wires must be sized and rated exactly the same as those used between the battery bank and the inverter ED Place the batteries as close as practical to the inverter preferably in an insulated and ventilated enclosure Allow adequate space above the batteries to access the terminals and vent caps as applicable Also allow at least 1 of space between the batteries to provide good air flow DO NOT mount the batteries directly under the inverter gasses For compartment or enclosure installations always vent batteries to the outside Info To ensure the best performance from your inverter system batteries should be of 1 CAUTI ON Install batteries in a well ventilated area Batteries can produce explosive the same size type rating and age Do not use old or untested batteries 2012 Magnum Energy Inc Page 18 Installation 2 4 6 Battery Temperature Sensor Installation and Wiring The Battery Temperature Sensor shown in Figure 2 7 provides the inverter with precise battery temperature information to automatically adjust the ABSORB and FLOAT charge voltage set
98. r the unit cools down e Internal Fault The inverter continually monitors several internal components and the processor communications If a condition occurs that does not allow proper internal operation the inverter will shut down to protect itself and the connected loads The inverter will need to be reset to start operating refer to Section 4 3 for information on resetting the inverter Table 3 1 Inverter Battery Turn On Off Levels Inverter battery turn ON OFF Levels m52000 M52012 M52812 MS2024 LBCO 10 0 VDC 10 0 VDC 20 0 VDC 20 0 VDC 1 minute delay 9 0 12 2 VDC 9 0 12 2 VDC 18 0 24 4 VDC 18 0 24 4 VDC LBCO immediate 8 5 VDC 8 5 VDC 17 0 VDC 17 0 VDC adjustable with remote control 2012 Magnum Energy Inc Page 48 Operation 3 7 Inverter Startup Power ON OFF Switch The inverter can be turned on and off by lightly pressing and releasing the Power ON OFF switch on the front of the inverter see Figure 3 5 When the inverter is first connected to the batteries or when its automatic protection circuit has turned the inverter off the ON OFF switch will need to be pressed to start the unit or reset per Section 4 3 Once the inverter has been turned on pressing the Power ON OFF switch alternately turns the inverter on and off WARNING The Power ON OFF control switch does not turn on or off the charger feature or remove pass thru power If AC power utility power or generator is
99. r transformer reaches 80 C degrees Celsius 1769F or the inverter is running at 100 of its rated load e Fans run medium speed if the internal transistors FETS or the power transformer reaches 60 C 1409F or the inverter is running at 50 of its rated load e Fans run low speed when the inverter is running at 25 of its rated load The fans shut down when none of the above conditions are met or if the battery voltage is below 9 5V 12 volt systems 19 0V 24 volt systems Whenever the inverter is first connected to the battery the fans will come on for about one second Info The inverter s fans will not come on based on temperature sensed by the optional Battery Temperature Sensor 3 10 Using a Remote with the MS Series Inverter The MS Series inverter when connected to a remote control display i e ME RC ME ARC has many advanced features The inverter and remote communicate with each other to allow these advanced features to be set up or enabled However the remote may have a later newer software revision than the inverter so some of the features and functionality in the remote may not be available with your inverter Use the steps below to determine what remote menus features are available with your inverter 1 Obtain your inverter s software revision Note To view the inverter s software revision level push the TECH button on your remote and access the Revisions menu 2 Use the chart below to determine the i
100. re are no user serviceable parts it is recommended that every 6 months you perform the following maintenance steps to ensure optimum performance and extend the life of your batteries Ji WARNING Prior to performing any checks switch OFF both the AC and DC circuits 4 2 Visually inspect the batteries for cracks leaks or swelling replace if necessary Use baking soda to clean and remove any electrolyte spills or buildups Check and tighten all battery hold down clamps if applicable Clean and tighten all battery terminals and connecting cables 10 to 12 ft Ibf 13 6 to 16 3 N m Check and fill battery water levels liquid lead acid batteries only Check individual battery voltages load test those that have a voltage difference of more than 0 3 VDC from each other replace if necessary Check all cable runs for signs of chafing replace if necessary Check the inverter s cooling vents clean as necessary Check and tighten the inverter s internal AC terminal block connections 16 in Ibf 1 8 N m Storage for Mobile Installations When placing the RV boat or truck into storage it is recommended that you perform the following to ensure the system is properly shut down or properly configured for storage This is especially important for maintaining the batteries Perform the recommended maintenance steps listed in Section 4 1 Fully charge the batteries Connect AC power if available and verify that the breaker to the i
101. requirements to ensure the wire s ability to safely handle the inverter s maximum load current The AC wiring must be protected from short circuits and overloads by an overcurrent protection device and have a means to disconnect the AC circuits AC overcurrent protection is not included in the inverter and must be provided as part of the inverter installation The AC overcurrent protection device must be a circuit breaker or a fuse disconnect and be properly sized and branch circuit rated for the wire it is protecting and the appliances being powered I nfo When wiring the AC input and output circuits we highly recommend a full system H I nverter Bypass Switch This simple item provides a convenient way to isolate the inverter for battery maintenance and it could save you hours of downtime if you ever need to service your inverter by enabling you to continue to power your AC loads without any re wiring Because we think it is an essential part of an inverter system every Magnum panel MMP MP Series is equipped with an Inverter Bypass Switch When the inverter is in Standby mode the full AC continuous pass thru capacity of the MS Series inverter charger is 30 amps for each AC leg AC HOT 1 and AC HOT 2 For a 30 amp continuous pass thru capability each AC HOT input to the inverter requires a 30 amp continuous duty rated breaker which corresponds to a minimum cable size of 10 AWG in conduit However the AC HOT 1 and AC HOT 2 may be combi
102. rging and pass thru 15B 45A SP 20B 60A SP 15B In 8 split to 412 x2 20B In 6 split to 410 x2 15B Out 12 x2 20B Out 10 x2 15B models 15A leg 30A max 20B models 20A leg 40A max DI SO Dual I n Single Out DI DO Dual I n Dual Out 120 240 VAC or 2 separate legs of 120 VAC lt 30 amps per leg 120 240 VAC or 2 separate legs of 120 VAC lt 30 amps per leg Want dedicated charging and dedicated pass thru while the AC source is on Requires a separate inverter sub panel May need to power 240 VAC loads when AC source is on requires 120 240 VAC Source Requires a separate inverter sub panel MS2012 MS2812 MS2024 MS4024 30A dual pole MS2012 MS2812 MS2024 MS4024 30A dual pole 10 AWG 10 AWG In amp Out In amp Out 3600W 30A 120 VAC 7200W 2 legs of 30A 120 240 VAC or 2 legs of 30A 120 VAC Wiring Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Diagram Note AC Source is from either the utility grid power i e shorepower or an AC generator Note If two legs of 30A Q 120 VAC are used they must be from the same source i e have a common neutral 2012 Magnum Energy Inc Page 24 Installation AC Terminal Block AC input and output wiring MS Series Inverter aie 0 9 9 o ce AC GROUNDS to from both panels jaued qns o3 LNO LNAN DV jaued qns o3 LNO T L
103. ries e Inverter mounted ON OFF switch with LED indicator e 30 amp per leg AC pass thru capability e Field serviceable for qualified personnel tested repair kits available e Automatic battery temperature compensation when using the Battery Temperature Sensor for optimum charging even during extreme temperature changes e Overcurrent over temperature and high low battery voltage protection The following accessories are also available for use with the MS Series inverter charger e ME AGS N Automatic Generator Start Module Network version automatically starts stops your generator e ME ARC50 Advanced Remote Control easy to read LCD display panel that allows advance inverter set up control and troubleshooting e ME BMK Battery Monitor Kit with Shunt provides precise DC voltage current measurements and information on your battery s State of Charge SOC condition e ME RC50 Standard Remote Control easy to read LCD display panel that allows standard inverter set up control and troubleshooting Regulatory Compliance The MS Series inverter charger is designated as a Standalone non grid interactive power inverter with an internal battery charger It can be connected to the utility grid or to a generator to allow the inverter batteries to be charged and to power inverter loads while connected The MS series is not a grid interactive also known as utility interactive inverter and does not have the capability to ex
104. rminal this connection is used to tie the exposed chassis of the inverter to the DC grounding system This terminal accepts CU AL conductors from 14 to 2 AWG 2 1 to 33 6 mm AC Entry Exit Connections two 3 4 knockouts provided with cable clamp strain reliefs to accommodate and secure the AC input and output field wiring Intake Air Vents ventilation openings to pull in air to help keep the inverter cool for peak performance Positive DC Terminal provides a 360 degree connection point for the positive cable from the battery bank consists of a 5 16 18 bolt with a Kep or Flange nut that holds the battery cable to the DC terminal Negative DC Terminal provides a 360 degree connection point for the negative cable from the battery bank consists of a 5 16 18 bolt with a Kep or Flange nut that holds the battery cable to the DC terminal Mounting Flange used to secure the inverter to a shelf or wall amp 9 9 C Intake Air Vents and on right side Power ON OFF Li Positive Charging Inverting DC Terminal tm under cover REM OE Battery Temp Sensor E Negative DC Terminal under cover AC Entry Exit Connections at sens i TE 9 V9 V Er X y ESEESE E LE L Mounting DC Equipment Pange Ground Terminal Figure 1 2 Electrical Connection Points Page 3 2012 Magnum Energy Inc The left Bp 000 Air Vents back side AC Output
105. rotection against overloads Live power may be present at more than one point since an inverter utilizes both DC batteries PV etc and AC utility or generator power To reduce risk of electric shock ensure all DC and AC wiring is disconnected prior to installing or performing maintenance on the inverter Turning off the inverter will not reduce this risk the inverter must be totally disconnected from all Sources Use Class 1 wiring methods for field wiring connections to terminals of a Class 2 circuit Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling Always verify proper wiring prior to starting the inverter Use only copper wires with a minimum temperature rating of 75 C AC wiring must be no less than 10 AWG 5 3 mm gauge copper wire Battery cables should be no less than 4 0 AWG for 12 and 24 volt systems Crimped and sealed copper ring terminal lugs with a 5 16 hole should be used to connect to the DC terminals on the inverter Torque all AC wiring connections and DC cable connections to the required torque values The inverter must be properly mounted see Section 2 2 Mounting the Inverter in this manual Overcurrent protection for the battery supply is not provided as an integral part of this inverter Overcurrent protection of the battery cables must be provided as part of the system installation Refer to Section 2 4 DC Wiring for more infor
106. s dans ce manuel sauf si vous tes qualifi pour le faire Une mauvaise installation ou d entretien peut entrainer un risque de choc lectrique un incendie ou autre danger pour la s curit Symboles de s curit Les symboles de s curit suivants ont t plac stout au long de ce manuel pour indiquer des conditions dangereuses et les consignes de s curit importantes AVERTI SSEMENT Ce symbole indique que le d faut de prendre une action sp cifi e pourraitcauser des dommages physiques l utilisateur ATTENTI ON Ce symbole indique que le d faut de prendre une action sp cifi e peut entrainer des dommages l quipement Info Ce symbole indique une information qui met l accent ou des suppl ments points importants du texte principal Consignes de s curit e Tous les travaux lectriques doivent tre effectu s en conformit avec les codes locaux et nationaux lectriques e Ce produit est con u pour l installation du compartiment int rieur Il ne doit pas tre expos la pluie la neige l humidit ou des liquides de tout type e Utiliser des outils isol s pour r duire le risque de choc lectrique ou courts circuits accidentels e Il n y a pas r parable par l utilisateur contenues dans ce produit e Cet appareil est fourni avec une protection int grale contre les surcharges e Puissance en direct peuvent tre pr sents plus d un point depuis un onduleur utilise la fois DC piles PV etc et
107. s output voltage to constantly fall below the inverter s input VAC dropout threshold Info When switching from Inverter mode to Standby mode the inverter waits approximately 15 seconds to ensure the AC source is stable before transferring 3 5 Battery Temperature Sensor Operation The plug in Battery Temperature Sensor BTS is used to determine the battery s temperature This information allows the multi stage battery charger to automatically adjust the battery charge voltages for optimum charging performance and longer battery life With a BTS installed if the temperature around the BTS is below 779F 259C the absorb and float charge voltage increases and if the temperature around the BTS is higher than 779F 259C the absorb and float charge voltage decreases See Figure 3 4 to determine how much the charge voltage changes increases or decreases depending on the temperature reading of the BTS For example the nominal absorb charge voltage for a flooded battery at 77 F 25 C on a 24 volt model is 29 2 VDC If the battery temperature is 95 F 35 C the absorb charge voltage would decrease to 28 6 VDC 29 2 VDC 0 6 change If the temperature sensor is NOT installed the charge voltages will not be automatically adjusted because of temperature but will be maintained at a temperature of 779F 259C The life of the batteries may be reduced if they are subjected to large temperature changes when the BTS is not installed Info Whe
108. s un endroit propre sec a r et o ils sont prot g s contre les temp ratures lev es et basses S il est install dans un v hicule bateau les batteries doivent tre mont en position verticale si vous utilisez des piles liquides et solidement fix s L emplacement doit tre pleinement accessible et prot g contre l exposition la chaleur la fabrication de dispositifs et loin de toute r servoirs de carburant Page v 2012 Magnum Energy Inc Table of Contents Important Safety nformation ususeewsveis vkuuxukw xu E uk xk Eua aai RR RR Rr RR ar Rr adi ii 1 0 INTO MN eden 1 1 1 Features and BenefitS auuuuuanarrrnnnnnnnnnssnrnrennnnnnnnnnnnnnnnnunnnnnnnnrernnnnnnnnnuvennner 2 1 2 How an Inverter Charger WorkS s s sssssssssssssesnsenesssnnnnnunnnunnsnensnensnnnsnnnsnnnnnn 5 1 3 Advantages of a Pure Sine Wave vs Modified Sine Wave Inverter 6 1 4 Appliances and sU Wie ae NE ERU 7 20 Mean vvs 8 2 1 PFIN 8 22 Mounting Me NET a r IPFI a nn data 11 2 3 Wiring the Inverter General Requirements sus 13 2 4 DENN 14 AEE AC ida Imm 21 2 6 INN 34 27 Inverter Notification Requirements sise nan nnn nnn 41 2 8 EIL TS OS GUI OM saepe ea er un 41 2 9 FUN CUON MH UU uu aa ee on out 42 3 0 Opera No oricine Ea a dE wa RC ann sn a an UR V DU EK E RW RU RR 44 3 1 Inverter M OS a SIN UE sec a a ir rico 44 3 2 DTV 45 3 3 PN NN 45 TT ME 47 3 5 PT Temperature ENN 47 3 6 Fen Circuitry NNN T o T 4
109. s used to charge the battery voltage drops to the HBCI voltage or bank Reduce or turn off any other charger to the inverter lower batteries to allow the voltage level to drop Over temperature condition The Reduce the number of electrical loads that you are internal temperature of the inverter has operating this will avoid a repeat over temp shutdown if risen above acceptable limits caused the cause was too many loads for the ambient conditions by loads too great for the inverter to operate continuously or by lack of E ventilation to the inverter When the Check ventilation around the inverter ensure cool air is unit has cooled it will automatically available to pass thru the inverter refer to the ventilation reset and resume operation requirements in Section 2 1 3 AC overload condition The inverter Reduce the AC loads connected to the inverter or remove has turned off because the connected all AC output wiring and restart the inverter loads are larger than the inverter s output capacity or the output wires are shorted Internal fault This fault occurs when To clear this fault an inverter reset is required Remove an internal fault is detected DC power to the inverter or press and hold down the power switch on the inverter for 15 seconds until the green Status LED comes on If this fault does not clear the unit will need to be serviced No output power Unit is in Search mode which means
110. section to determine how best to install your MS inverter charger The more thorough you plan in the beginning the better your inverter needs will be met 2 1 1 Unpacking and Inspection Carefully remove the MS Series inverter charger from its shipping container and inspect all contents Verify the following items are included e The MS inverter charger e Red and black DC terminal covers with Phillips screws e AC access cover with two Phillips screws e Two 5 16 Kep or Flange nuts installed on the DC terminals e Battery Temperature Sensor e Warning label e MS Series Owner s Manual If items appear to be missing or damaged contact your authorized Magnum Energy dealer or Magnum Energy If at all possible keep your shipping box to help protect your inverter from damage if it ever needs to be returned for service Save your proof of purchase as a record of your ownership it will also be needed if the unit should require in warranty service Record the unit s model and serial number in the front of this manual in case you need to provide this information in the future It is much easier to record this information now instead of trying to gather it after the unit has been installed 2 1 2 Required Tools and Materials Hardware Materials e Conduit strain reliefs and appropriate fittings 1 4 mounting bolts and lock washers e Electrical tape e Wire ties Tools e Miscellaneous screwdrivers e Pliers e Wire strippers e Drill and dril
111. ssssssssssssnusasunnnnnnsnnnsnnnsnnnsnsnnnnnsrunnnusnnnensnensnsnsnnnnnnnne 53 Table A 1 Inverter Charger Specifications ccccccccccessccccceueeeeeeccecueeenseucuuuueeneesueeutesnnsaags 55 2012 Magnum Energy Inc Page viii Introduction 1 0 Introduction Congratulations on your purchase of a MS Series inverter charger from Magnum Energy The MS Series is a pure sine wave inverter designed especially for rugged mobile applications home backup power and standalone applications Powerful yet simple to use this inverter charger will provide you with years of trouble free performance you have come to expect from Magnum Energy Installation is easy Simply connect the inverter s output to your distribution circuits or electrical panel connect your utility or AC generator power to the inverter s easy to reach terminal block connect the batteries and then switch it on for power Info This is a sizable manual and much of it is fairly technical Terms may be used H throughout the manual that are unfamiliar to you Refer to the Inverter Charger Terminology glossary in Appendix C for clarification The MS Series inverter charger includes the following e 2000 2800 or 4000 watt model in a small footprint less area needed for installation e Pure sine wave output e Automatic PFC Power Factor Corrected multi stage battery charging e RS485 standard communication protocol e Remote and Network ports easy connection for optional accesso
112. st and battery life Total Amp Hours Additional compensation Low battery temperature If the batteries are installed in a location that will be exposed to low temperatures the available output will be less In these instances you will need to determine the lowest temperature the battery bank will experience and multiply the Total Amp Hours by the multiplier below 80F 27C 70F 21C 60F 15C 50F 10C 40F 4C 30F 1C 20F 7C Inverter efficiency When the inverter is used in a back up power application the inverter efficiency will not be a large concern however if the inverter is the primary AC source for the calculated load the Total Amp Hours should be multiplied by 1 2 to factor in an average 80 inverter efficiency Page 59 2012 Magnum Energy Inc Appendix B Battery Information B 6 Battery Wiring Configurations The battery bank must be wired to match the inverter s DC input voltage In addition the batteries can be wired to provide additional run time The various wiring configurations are B 6 1 Series Wiring Wiring batteries in series increases the battery bank s output voltage A series connection combines each battery in a string until the total voltage matches the inverter s DC requirement Even though there are multiple batteries the capacity remains the same In Figure B 1 below two 6 VDC 200 AH batteries are combined into a single string resulting in a 12 VDC 200 AH bank Series Battery Wirin combines
113. ter to protect the DC wiring system Mount the fuse block or circuit breaker assembly as near as practical to the batteries For maximum protection install it within 18 inches 45 cm of the battery 1 Open the fuse disconnect or open the circuit breaker and connect a short cable same rating as the battery cables to one end of the fuse block 2 Connect the short cable to the positive battery terminal 3 Connect the positive cable RED from the inverter to the fuse disconnect or circuit breaker assembly DO NOT connect the positive cable to the inverter at this time 4 Securely tighten the fuse disconnect or circuit breaker connection lugs Once the entire installation is complete and all connections are verified close the fuse disconnect or circuit breaker to provide power to the inverter 2 4 5 Wiring the Battery Bank WARNING Lethal currents will be present if the positive and negative cables attached to the battery bank touch each other During the installation and wiring process ensure the cable ends are insulated or covered to prevent touching shorting the cables Info DO NOT connect the DC wires from the battery bank to the inverter until 1 all DC and AC wiring is complete 2 the correct DC and AC overcurrent protection has been installed and 3 the correct DC voltage and polarity have been verified Info For the MS Series inverter charger to perform optimally a minimum battery bank of 200 AH is recommended fo
114. ter will likely be damaged You should verify the correct voltage polarity using a voltmeter BEFORE connecting the DC wires CAUTI ON Before wiring the DC cables review the safety information at the beginning of this manual and the information below to ensure a safe and long lived system I nfo DO NOT connect the battery cables to the inverter until all wiring is complete and the correct DC voltage and polarity have been verified M EE When the inverter is installed in a Photovoltaic System the NEC requires that the DC circuit conductors and overcurrent devices to the inverter be sized to carry not less than 125 of the inverter s maximum current rating The DC positive and negative cables connected to the inverter from the battery bank should be tied together with wire ties or electrical tape approximately every 6 inches 15 2 cm This helps improve the surge capability and reduces the effects of inductance which improves the inverter waveform and reduces the wear of the inverter s filter capacitors Crimped and sealed copper ring terminal lugs with a 5 16 hole should be used to connect the DC wires to the inverter s DC terminals The battery bank voltage MUST match the DC voltage required by the inverter i e 24 volt battery bank for a 24 volt inverter or the inverter may be damaged To ensure the maximum performance from the inverter all connections from the battery bank to the inverter should be minimized The exception is the
115. the DC grounding electrode GEC DC the size of the DC grounding electrode conductor cannot be smaller than the largest conductor in the DC system usually the battery to inverter cable The DC grounding electrode GE DC must be bonded to the AC grounding electrode GE AC to make a grounding electrode system This bonding conductor BC cannot be smaller than the largest grounding electrode conductor either AC or DC kaien System Grounding Electrode Grounding Electrode m AC side dedicated DC side dedicated J Figure 2 17 Multiple Connections to DC Ground Rod Method 1 Page 35 2012 Magnum Energy Inc Installation Method 2 Figure 2 18 When the AC and DC service panels are near each other then the AC grounding electrode conductor GEC AC and DC grounding electrode conductor GEC DC can be connected to a single grounding electrode In this method since there are multiple connections to the DC grounding electrode GEC DC the size of the DC grounding electrode conductor cannot be smaller than the largest conductor in the DC system usually the battery to inverter cable Positive Grounding oystem Grounding Electrode AC and DC sides shared Figure 2 18 Multiple Connections to DC Ground Rod Method 2 Method 3 Figure 2 19 The AC grounding electrode conductor GEC AC is bonded to the DC ground point and the DC grounding
116. the inverter to power the system while the batteries recharge 1 2 2 I nverter Applications for Mobile I nstallations Inverters can also be used to provide power in mobile situations such as in an RV truck or boat In these applications the inverter provides power to the AC loads using the energy stored in the batteries and recharges the batteries when shorepower or an onboard generator is available Page 5 2012 Magnum Energy Inc Introduction 1 3 Advantages of a Pure Sine Wave vs a Modified Sine Wave Inverter Today s inverters come in three basic output waveforms square wave modified sine wave which is actually a modified square wave and pure sine wave see Figure 1 5 Modified sine wave inverters approximate a pure sine wave form and will run most appliances and electronics without any problems These inverters are less expensive and therefore offer a viable alternative to more expensive pure sine inverters The output of the MS Series inverter which is pure sine wave is equal to or in many cases better than the utility power used in your home Virtually any electronic device will operate from a pure sine wave inverter Motors run cooler microwaves usually cook faster and clocks keep better time just to name a few examples Without compromising quality or performance the MagnaSine provides you with all the advantages of a pure sine wave inverter at a much lower cost than many on the market The MS Series is built on t
117. to the outside Design the battery enclosure to prevent accumulation and concentration of hydrogen gas in pockets at the top of the compartment Provide at least one inch of air space between batteries to provide optimum cooling Never smoke or allow a spark near batteries To prevent a spark at the battery and reduce the chance of explosion always connect the cables to the batteries first Then connect the cables to the inverter Never charge a frozen battery The battery bank should be installed in a clean dry ventilated environment where they are protected from high and low temperatures If installed in a vehicle boat the batteries must be mounted upright if using liquid batteries and securely fastened The location must be fully accessible and protected from exposure to heat producing devices and away from any fuel tanks Page iii 2012 Magnum Energy Inc Safety Information CONSI GNES DE S CURIT IMPORTANTES CONSERVER CES INSTRUCTIONS CE MANUEL CONTIENT DE IMPORTANTES POUR LA S RIE MS ONDULEUR CHARGEUR QUI DOIVENT ETRE SUIVIES PENDANT L INSTALLATION ET FONCTIONNEMENT DE CE PRODUIT Avant d utiliser la s rie MS lire toutes les instructions etles mises en garde Aussi n oubliez pas depasser en revue les diff rents manuels fournispour chaque composant du syst me Lesinstructions d installation sont pour une utilisationpar du personnel qualifi Ne pas effectuer une installation ou d entretien autres que ceux sp cifi
118. ton to access your favorite features quickly Standard Remote Control The ME RC remote control panel uses an LCD screen and at a glance LEDs display for complete inverter charger status Soft keys provide simple access to menus and a rotary encoder knob allows you to scroll through and select a wide range of settings such as Inverter ON OFF Charger ON OFF shorepower breaker setting AGS control Meter button Setup and Tech menus Auto Generator Start Controller The ME AGS N Automatic Generator Start controller Network version is designed to automatically start your generator based on low battery condition or high temperature The AGS controller includes an input voltage jumper for 12 24 and 48 volt battery banks and a 4 position DIP Dual In line Package switch which provides the ability to change the relay timing configurations to allow compatibility with a wider range of generators Adjustable settings when using the ME ARC include starting the generator based on battery voltage time of day battery State of Charge or high temperature Battery Monitor Kit The ME BMK NS Battery Monitor Kit is a single battery bank amp hour meter that monitors the condition of the battery provides information to let you know how much energy you have available and lets you plan your electrical usage to ensure the battery is not being over discharged The NS version does not include a DC shunt Order Part Number ME BMK to receive the battery moni
119. tor that includes the 500A 50mv DC shunt Fuse Block Fuses The TFB series of Magnum fuse fuse blocks are used to protect the battery bank inverter and cables from damage caused by DC short circuits and overloads They include a slow blow high current Class T fuse with mounting block and protective cover The fuse sizes are available in 125 200 300 and 400 amps Page 57 2012 Magnum Energy Inc Appendix B Battery Information Appendix B Battery Information B 1 Battery Location Periodic maintenance i e checking connections cleaning watering on batteries is required Locate the batteries in an accessible location to perform this maintenance Batteries must be mounted in a clean dry ventilated environment where they are protected from high and low temperatures The battery bank should be located as close to the inverter as possible without limiting access to the inverter s disconnects Longer battery cable runs tend to lose efficiency and reduce the overall performance of an inverter To ensure optimum performance a ventilated battery enclosure is recommended Two feet of clearance above the batteries is recommended for access to the battery terminals and removable caps lead acid battery types WARNING Be very careful when working around batteries they can produce extremely Ji high currents if they are short circuited Read the important safety instructions at the beginning of this manual and the precautions fro
120. tric motor with the shaft or rotor stopped and locked in position This can be used to determine if an inverter has enough surge current to start a motor If the inverter is capable of producing more amperage than the locked rotor amps rating of a motor it will most likely start the motor easily NEC National Electric Code The guidelines and acceptable practices for electrical installations in the USA Off Grid Not connected to public power in any way Pass Through Current The amount of current the inverter can safely pass directly from the AC input to the AC output Photovoltaic PV Solar powered Resistance Ohms Slows the electrical flow of Direct Current DC RMS Root Mean Square measure of AC voltage that provides the equivalent heating value across a resistor as would a DC source of the same voltage Sellback or Selling Back To The Grid or Utility I nteractive Some inverters have the capability to take energy stored in batteries or from solar panels and put it back into the utility grid The local public utility company can compensate you for using this energy Shorepower The process of providing shoreside electrical power to a boat while its main and auxiliary engines are turned off The source for shorepower may be grid power from an electric utility company or from an external remote generator Stacking Series Two inverters operating together to produce twice the power and voltage of a single inverte
121. turned off or adjusted from 5 to 50 watts using a remote display I nverting When a load greater than 5 watts is connected to the inverter output the MS Series inverts the DC power from the battery and supplies 120 VAC power to your sub panel The inverter s green LED flashes once every 2 seconds medium flash to indicate it is inverting The amount of time the inverter can be inverting and providing power is directly related to the amount of AC loads that are connected and the capacity of the battery bank Refer to Figure 3 1 to see the flow of power from the DC input to the AC output while in the Inverter mode AC Hot CB2 INV AC HOT 2 IN Transfer Relay optional AC HOT 2 OUT KOUT OY AC HOT 1 IN E CB1 SES 30A optional AC NEUTRAL IN n B SG ER LLL 1 ll f1T11 7 gt AC GROUND EC i eutral Groun Transfer Relay E Pi DC NEGATIVE N Power Transformer Figure 3 1 Power Flow Inverter Mode 2012 Magnum Energy Inc Page 44 Operation 3 2 Standby Mode Magnum Energy s MS Series features an internal battery charger and an automatic transfer relay when operating in Standby mode The Standby mode begins whenever AC power utility or generator is connected to the inverter s AC input Once the AC voltage and frequency of the incoming AC power is within the AC input limits an automatic AC transfer relay is activated This transfer relay passes the incoming AC power through the inverter to po
122. ue or directory must provide the location of system disconnecting means and information regarding whether the structure contains a standalone electrical power system 2 7 2 Facilities with Utility Services and PV Systems Buildings facilities or structures with both utility service and a photovoltaic system must have a permanent plaque or directory providing the location of the service disconnecting means and the photovoltaic system disconnecting means if they are not located at the same location 2 7 3 Inverter Warning Label warning label as shown in Figure 2 24 is provided to inform all personnel that an inverter is installed in your electrical system Affix this label in a clearly visible location at the electrical panel that is being powered by the inverter This is because it might be falsely assumed that the panel is no longer hot after the AC power has been shut off when power may actually still be available due to the inverter automatically powering the panel WARNING This electrical system is equipped with an Automatic Generator Starting AGS device and or an inverter Disconnect all AC and DC power to the AGS and or inverter before performing any service to the electrical system Failure to do so can result in shock causing serious injury or death PN 62 0002 Rev A Figure 2 24 Warning Label 2 8 Final Inspection 1 Verify all cables conduit runs are secured with wire ties or other non conductive fasteners to
123. uirement and helps prevent ground loops see Section 2 6 5 for more information If the installation requires the input and output neutrals to be connected together the inverter s neutral to ground connection must be disconnected see Section 2 6 5 The AC ground terminal can accept one 14 to 6 AWG 2 1 to 13 mm CU stranded wire It uses a slotted head screw and has a recommended maximum tightening torque of 45 in Ibf 5 1 N m For multiple ground wires use a pressure or mechanical connector to attach the single wire from the AC ground terminal to the input and output ground connections o fm HOT 1 OUT HOT 2 IN HOT 2 OUT HOT 1 IN NEUT IN NEUT OUT AC GROUND In amp Out 940 9 0 0 fe Mm OBA Mn Figure 2 8 AC Terminal Block ap 2012 Magnum Energy Inc Page 22 Installation 2 5 5 AC Conductor Wiring MS2012 MS2812 MS4024 models The following steps are basic guidelines for installing and connecting the AC wiring to and from all MS Series inverters except MS2000 Series model inverters for instructions on wiring MS2000 Series model inverters refer to Section 2 5 7 Before proceeding refer to Table 2 3 to determine your AC wiring configurations WARNI NG Before making any AC connections make sure the inverter is disconnected from the battery and no AC power is connected to the inverter Wiring the I nverter AC Input 1 Remove the two Phillips screws on the AC wiring access cover Item 15
124. up it defaults to the OFF mode The momentary ON OFF power switch Item 1 Figure 1 1 must be lightly pressed to turn the inverter ON Subsequently pressing this switch alternately turns the inverter OFF and ON OFF When the inverter is OFF no power is used from the batteries to power the AC loads and the status LED will be OFF If AC power from an external source utility or generator is connected and qualified on the inverter s AC input this AC input power will pass through the inverter to power the AC loads However if this AC power is lost the AC loads will no longer be powered because the inverter is OFF When the inverter is turned ON it operates either by searching or inverting depending on the connected AC loads Searching When the inverter is first turned ON the automatic Search feature is enabled This feature is provided to conserve battery power when AC power is not required In this mode the inverter pulses the AC output looking for an AC load i e electrical appliance Whenever an AC load greater than 5 watts is turned on the inverter recognizes the need for power and automatically starts inverting When there is no load or less than 5 watts detected the inverter automatically goes back into Search mode to minimize energy consumption from the battery bank When the inverter is searching the inverter s green LED flashes fast I nfo The factory default value for the Search feature is 5 watts It can be
125. verter The inverter s green LED flashes once every 8 seconds slow flash to indicate float charging The Float Charging stage reduces battery gassing minimizes watering requirements for flooded batteries and ensures the batteries are maintained at optimum capacity Full Charge Battery Saver mode The fourth stage occurs after four hours in the Float Charging stage The Full Charge stage is designed to keep batteries fully charged over long periods and to prevent excessive loss of water in flooded batteries or drying out of GEL AGM batteries In this stage the charger is turned off and begins monitoring the battery voltage if the battery voltage drops low 12 7 VDC or less on 12 volt models or 25 4 VDC or less on 24 volt models the charger automatically initiates another four hours in float charge Info If the battery voltage falls to the re bulk voltage 12 1 VDC on 12 volt models or 24 2 VDC on 24 volt models or lower the unit will begin another bulk charge These settings in the MS Series are changeable and leave the factory with default values see Table 3 2 Inverter Charger Default Values These default values are adequate for most installations however if you determine that some of the values need to be changed for your particular system a remote control may be purchased to adjust these settings Absorb Charging Increased Constant Reduced Monitored Voltage Voltage Voltage Voltage Goes to Ful
126. wer the AC loads on the inverter s output This incoming power is also used to activate a powerful internal battery charger to keep the battery bank charged in case of a power failure Refer to Figure 3 2 to see the flow of power from the AC input to the DC and AC output while in Standby mode AC AC Hot CB2 air U AC HOT 2 IN Transfer Relay optional AC HOT 2 OUT KOUT AU Es ac AGHOT1 IN F CHI AG HOT 1 OUT VAC dee e SYNER optional VAC o AC NEUTRAL OUT 4 L AC NEUTRAL IN L e ea EE ie 75 AC GROUND s Neutral Ground Transfer Relay DC DC NEGATIVE F DC POSITIVE FET Bridge Power Transformer Figure 3 2 Power Flow Standby Mode 3 3 Battery Charging The MS Series is equipped with a PFC Power Factor Corrected and PI Proportional Integral multi stage battery charger The PFC feature controls the amount of power used to charge the batteries to obtain a power factor as close as possible to 1 or unity This causes the battery charger to look like a resistor to the line forces the charge current wave shape to mirror the voltage wave shape The PI feature allows the charger voltage and current to change independently These two features maximize the real power available from the AC power source i e utility or generator which translates into less power wasted and greater charging capabilities than most chargers today When an AC source is connected to the AC input the inverter begins m

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