Magnum Energy MSH-M User Manual

MagnaSine Hybrid – Mobile Series
Pure Sine Wave
Inverter/Charger

MSH-Mobile Series

Owner’s Manual

TM

Disclaimer of Liability

The use of this manual and the conditions or methods of installation, operation, use, and
maintenance of the MSH-M 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 MSH-M 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 MSH-M inverter fails, it is reasonable to assume the health of the user or
other persons may be endangered.

Copyright Notice

Copyright © 2013 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

Description – MSH-M Series Owner’s Manual
Part Number and Revision – 64-0058 Rev A
Date Published – May 2013

This manual is printed without color for cost savings. However, 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: [phone]
Fax: [phone]
Web: www.MagnumEnergy.com

Statement of Appreciation

Thank you from all of us at Magnum Energy for purchasing this MSH-M 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 MSH-M Series inverter/charger was proudly
assembled and tested in the United States at 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 & serial number in case you need to provide this information in the future.

Model: Serial Number:

MSH3012M AS

MSH4024M AP

Page ii

Magnum Energy® is a registered trademark of Magnum Energy, Inc.

© 2013 Magnum Energy, Inc.

Safety Information

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

THIS MANUAL CONTAINS IMPORTANT INSTRUCTIONS FOR THE MSH-M SERIES INVERTER/CHAR­GER THAT SHALL BE FOLLOWED DURING THE INSTALLATION AND OPERATION OF THIS PRODUCT.
Before using the MSH-M 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.

WARNING: This symbol indicates that failure to take a specifi ed action could result in
physical harm to the user.

CAUTION: This symbol indicates that failure to take a specifi ed 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 protection against overloads.

• Live power may be present at more than one point since an inverter utilizes both DC (batteries,
PV, etc.,) and AC (shorepower 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 #6 AWG (13.3 mm²) gauge copper wire.

• Battery cables should be no less than #4/0 AWG (107.2 mm²) for 12-volt and #2/0 AWG
(67.4 mm²) for 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 information.

© 2013 Magnum Energy, Inc.

Page iii

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. Note: An output

breaker is provided on the inverter to provide overcurrent protection to the inverter’s internal
wires; however, this output breaker is not rated to protect the AC output wiring.

• 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.

• Wear eye protection such as safety glasses, and avoid touching your eyes and face when
working with batteries to keep any fl uid/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. A 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 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 to 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 that is 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 iv

Safety Information

CONSIGNES DE SÉCURITÉ IMPORTANTES

CONSERVER CES INSTRUCTIONS

CE MANUEL CONTIENT DE IMPORTANTES POUR LA SÉRIE MSH-M ONDULEUR/CHARGEUR QUI DOIVENT
ETRE SUIVIES PENDANT L’INSTALLATION ET FONCTIONNEMENT DE CE PRODUIT. Avant d’utiliser la
série MSH-M, lire toutes les instructions etles mises en garde. Aussi, n’oubliez pas depasser en revue
les différents manuels fournispour chaque composant du système. Lesinstructions d’installation sont
pour une utilisationpar du personnel qualifi é. Ne pas effectuer une installation ou d’entretien autres
que ceux spécifi és dans ce manuel, sauf si vous êtes qualifi é pour le faire. Une mauvaise installation ou
d’entretien peut entraîner un risque de choc électrique, un incendie ou autre danger pour la sécurité.

Symboles de sécurité

Les symboles de sécurité suivants ont été placéstout au long de ce manuel pour indiquer des
conditions dangereuses et les consignes de sécurité importantes.

AVERTISSEMENT: Ce symbole indique que le défaut de prendre une action spécifi ée
pourraitcauser des dommages physiques à l’utilisateur.

ATTENTION: Ce symbole indique que le défaut de prendre une action spécifi ée peut
entraîner des dommages à l’équipement.

Info: Ce symbole indique une information qui met l’accent ou des suppléments points
importants du texte principal.

Consignes de sécurité

• Tous les travaux électriques doivent être effectués en conformité avec les codes locaux et
nationaux électriques.

• Ce produit est conçu pour l’installation / du compartiment intérieur. Il ne doit pas être exposé
à la pluie, la neige, l’humidité ou des liquides de tout type.

• Utiliser des outils isolés pour réduire le risque de choc électrique ou courts-circuits accidentels.

• Il n’y a pas réparable par l’utilisateur contenues dans ce produit.

• Cet appareil est fourni avec une protection intégrale contre les surcharges.

• Puissance en direct peuvent être présents à plus d’un point depuis un onduleur utilise à la fois
DC (piles, PV, etc) et AC (utilitaire ou générateur) d’alimentation. Pour réduire le risque de
choc électrique, assurez-vous que tout le câblage DC et AC est débranchée avant l’installation
ou la maintenance sur le variateur. Mise hors tension de l’onduleur ne réduira pas ce risque,
l’onduleur doit être totalement déconnectée de toutes les sources.

• Utiliser des méthodes de câblage classe 1 pour les connexions de câblage sur le terrain aux
bornes d’un circuit de Classe 2.

• Coté ou étiquetés équipement doit être installé et utilisé conformément aux instructions
fi gurant dans la liste ou l’étiquetage.

• Toujours vérifi er le câblage avant de commencer l’onduleur.

• Utilisez des fi ls de cuivre seulement avec une cote de température minimale de 75 °C.

• AC câblage ne doit pas être inférieure à 6 AWG (13.3 mm²) de cuivre de calibre.

• Les câbles de batterie ne doit pas être inférieur à # 4/0 AWG pour 12 et 24-volts systèmes.
Frisées et scellé cosses en cuivre anneau des bornes avec un trou de 5/16 doit être utilisé
pour se connecter à des bornes de courant continu sur l’onduleur.

• Couple toutes les connexions de câblage ca et les connexions de câbles à courant continu à
des valeurs de couple nécessaires.

• L’onduleur doit être correctement monté, voir le montage de la section onduleur dans le
chapitre Installation de ce manuel.

• Protection contre les surintensités pour l’alimentation de la batterie n’est pas fourni en tant
que partie intégrante de cet inverseur. La protection contre les surintensités des câbles de
batterie doivent être fournis dans le cadre de l’installation du système. Reportez-vous à la
section Câblage cc dans le chapitre d’installation pour plus d’informations.

• Protection contre les surintensités pour le câblage de sortie AC n’est pas fourni en tant que

© 2013 Magnum Energy, Inc.

Page v

Safety Information

partie intégrante de cet onduleur. Protection contre les surintensités du câblage de sortie CA
doit être fournie dans le cadre de l’installation du système. Reportez-vous à la section Câblage
ca dans le chapitre d’installation pour plus d’informations. Remarque: Un disjoncteur de
sortie est prévue sur le convertisseur pour fournir une protection contre les surintensités
de fi ls internes de l’onduleur, mais ce disjoncteur de sortie n’est pas évalué pour protéger le
câblage de sortie CA.

• Le conducteur de sortie CA conducteurs neutre et continue négative ne sont pas connectés
(servitude) au châssis inverseur. La fois l’entrée et des conducteurs de sortie sont isolés de
l’enceinte et l’autre. La terre du système, si nécessaire, est de la responsabilité de l’installateur du
système et doit se conformer à des codes locaux et nationaux et les normes électriques. Reportez­vous à la section Mise à la terre Onduleurs dans le chapitre d’installation pour plus d’informations.

Sécurité de la batterie

• Utiliser des outils isolés et être très prudent lorsque vous travaillez près des batteries, elles peuvent
produire des courants extrêmement élevés si en court-circuit (par exemple, échapper un outil
métallique à travers la borne de la batterie), ce qui pourrait provoquer un incendie ou une explosion.

• Lisez et suivez les consignes de sécurité du fabricant de la batterie avant d’installer l’onduleur et
des batteries. Toujours vérifi er la polarité et la tension avant de brancher les batteries à l’onduleur.
Une fois que les batteries sont connectées à l’onduleur, assurer la maintenance et les exigences de
charge (c.-à-tension de charge et taux de charge) fournis par le fabricant de la batterie sont suivies
pour prolonger la vie des batteries et pour éviter d’endommager les batteries pendant la charge.

• Porter des lunettes de protection tels que des lunettes de sécurité, et évitez de toucher vos yeux
et le visage lorsque l’on travaille avec des piles de garder tout fl uide / corrosion sur la batterie
d’entrer en contact avec les yeux et la peau. Ayez suffi samment d’eau fraîche et de savon à
proximité et se laver dans le cas d’acide contact avec la peau de la batterie, les vêtements ou les
yeux. Dans le cas d’exposition pour les yeux, les inonder pendant au moins 15 minutes à l’eau
courante et consulter immédiatement un médecin.Le bicarbonate de soude neutralise l’acide
de plomb électrolyte de la batterie et le vinaigre neutralise renversé NiCad et NiFe batterie à
électrolyte; en fonction de votre type de batterie, gardez sous la main près des batteries.

• Enlevez tous les bijoux tels que bagues, montres, bracelets, etc, lors de l’installation ou la
maintenance sur les batteries et l’onduleur. Une batterie peut produire un court-circuit assez
de courant élevé pour souder les bijoux en métal, provoquant de graves brûlures.

• Ne jamais travailler seul. Toujours avoir quelqu’un au sein de la gamme de votre voix ou
suffi samment près pour vous venir en aide lorsque vous travaillez près des batteries.

• Utiliser des techniques de levage appropriées lorsque vous travaillez avec des piles.

• Ne jamais utiliser de piles usagées ou non testés. Vérifi ez l’étiquette de chaque batterie à
l’âge, le type et le code de date afi n d’assurer toutes les batteries sont identiques.

• Batteries sensibles aux changements de température. Toujours installer dans un environnement stable.

• Les batteries peuvent produire des gaz explosifs, etc installer les piles dans un endroit bien
ventilé. Pour les installations compartiment ou une enceinte, toujours évacuer les piles du
plus haut point à l’extérieur. Concevoir le boîtier de piles pour éviter l’accumulation et la
concentration de gaz d’hydrogène dans “poches” en haut du compartiment.

• Fournir au moins un pouce de l’espace aérien entre les batteries pour fournir un refroidissement optimal.

• Ne jamais fumer ou laisser une étincelle près des batteries.

• Pour éviter une étincelle à la batterie et de réduire le risque d’explosion, toujours connecter
les câbles aux batteries en premier. Ensuite, connectez les câbles à l’onduleur.

• Ne jamais charger une batterie gelée.

• La banque de la batterie doit être installé dans un endroit propre, sec, aéré et où ils sont
protégés contre les températures élevées et basses. S’il est installé dans un véhicule / bateau,
les batteries doivent être monté en position verticale (si vous utilisez des piles liquides) et
solidement fi xés. L’emplacement doit être pleinement accessible et protégé contre l’exposition
à la chaleur la fabrication de dispositifs, et loin de toute réservoirs de carburant.

Page vi

Table of Contents

1.0 Introduction ..................................................................................1

1.1 How the MSH-M Inverter/Charger Works ............................................................ 2

1.2 Advantages of using a Pure Sine Wave Inverter .................................................. 2

1.3 Features and Benefi ts ...................................................................................... 3

2.0 Installation ...................................................................................6

2.1 Pre-Installation ............................................................................................... 6

2.1.1 Unpacking and Inspection ............................................................................. 6

2.1.2 Required Tools and Materials .......................................................................... 6

2.1.3 Locating the Inverter .................................................................................... 8

2.2 Mounting the Inverter ..................................................................................... 9

2.3 Wiring the Inverter – General Requirements ......................................................11

2.3.1 Protecting Wire – Conduit Box .......................................................................11

2.3.2 Wiring Requirements ...................................................................................11

2.3.3 Wire Routing ..............................................................................................11

2.3.4 Torque Requirements ...................................................................................11

2.4 DC Wiring .....................................................................................................12

2.4.1 DC Wire Sizing ............................................................................................14

2.4.2 DC Overcurrent Protection ............................................................................14

2.4.3 DC Cable Connections ..................................................................................15

2.4.4 Wiring the DC Overcurrent Protection Device ..................................................16

2.4.5 Wiring the Battery Bank ...............................................................................16

2.4.6 Battery Temperature Sensor Installation and Wiring .........................................17

2.4.7 Wiring the Inverter to the Battery Bank ..........................................................18

2.5 AC Wiring .....................................................................................................19

2.5.1 Pre-AC Wiring Requirements .........................................................................19

2.5.2 AC Wire Size and Overcurrent Protection ........................................................19

2.5.3 Recommended GFCI (Ground Fault Circuit Interruption) Outlets.........................20

2.5.4 AC Terminal Block Connections ......................................................................20

2.5.5 AC Conductor Wiring ...................................................................................21

2.6 Grounding Inverters .......................................................................................23

2.6.1 Equipment Grounding Conductors ..................................................................24

2.6.2 Grounding Electrode Conductors ...................................................................24

2.6.3 System Bonding Jumpers .............................................................................24

2.6.4 Grounding on Boats .....................................................................................25

2.6.5 Neutral to Safety Ground Bonding .................................................................26

2.6.6 Connecting a Large DC Ground Wire ..............................................................27

2.7 Inverter Warning Label ...................................................................................27

2.8 Final Inspection .............................................................................................27

2.9 Functional Test ..............................................................................................28

3.0 Operation ....................................................................................29

3.1 Inverter Mode ...............................................................................................29

3.2 Standby Mode ...............................................................................................30

3.2.1 Battery Charging .........................................................................................30

3.2.2 Load Support ..............................................................................................32

3.3 Current Flow .................................................................................................33

3.4 Transfer Time ................................................................................................34

© 2013 Magnum Energy, Inc.

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Table of Contents (Cont.)

3.5 Battery Temperature Sensor Operation .............................................................35

3.6 Protection Circuitry Operation ..........................................................................36

3.7 Inverter Startup ............................................................................................37

3.8 Factory Default Values ....................................................................................38

3.9 Inverter Fan Operation ...................................................................................39

3.10 Using a Remote with the MSH-M Series Inverter ................................................39

3.10.1 Remote Compatibility .....................................................................................39

4.0 Maintenance and Troubleshooting ...............................................40

4.1 Recommended Inverter and Battery Care ..........................................................40

4.2 Storage for Mobile Installations .......................................................................40

4.3 Troubleshooting .............................................................................................41

4.4 Performing an Inverter Reset ..........................................................................42

4.5 Performing a Power Reset ...............................................................................42

Appendix A – Specifi cations and Optional Equipment ..........................43

A-1 Inverter/Charger Specifi cations .......................................................................43

A-2 Inverter Effi ciency .........................................................................................44

A-3 Optional Equipment and Accessories ................................................................45

Appendix B – Battery Information .......................................................46

B-1 Battery Location ............................................................................................46

B-2 Battery Types ................................................................................................46

B-3 Battery Temperature ......................................................................................46

B-4 Battery Bank Sizing .......................................................................................46

B-5 Battery Bank Sizing Worksheet ........................................................................47

B-6 Battery Wiring Confi gurations ..........................................................................48

B-6.1 Series Wiring ................................................................................................48

B-6.2 Parallel Wiring ...............................................................................................48

B-6.3 Series-Parallel Wiring .....................................................................................48

Appendix C – Power Consumption and Output Waveforms ..................51

C-1 Appliance Power Consumption .........................................................................51

C-2 Inverter Output Waveforms .............................................................................51

Appendix D – Inverter/Charger Terminology ......................................52

Appendix E – Warranty and Service Information .................................54

E-1 Limited Warranty ...........................................................................................54

E-2 How to Receive Repair Service .........................................................................54

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© 2013 Magnum Energy, Inc.

List of Figures

Figure 1-1, Power Switch, Status LED, and Accessory Connection Ports ................................ 3

Figure 1-2, Electrical Connection Points ........................................................................... 4

Figure 1-3, Left Side Features ........................................................................................ 5

Figure 2-1, Simplifi ed Installation Diagram ....................................................................... 7

Figure 2-2, Approved Mounting Positions ......................................................................... 9

Figure 2-3, MSH-M Series Dimensions and Side References ...............................................10

Figure 2-4, DC and Battery Temperature Sensor Wiring ....................................................13

Figure 2-5, Battery Hardware Installation .......................................................................15

Figure 2-6, Inverter DC Hardware Installation .................................................................15

Figure 2-7, Battery Temperature Sensor .........................................................................17

Figure 2-8, AC Terminal Block .......................................................................................20

Figure 2-9, AC Wiring ...................................................................................................22

Figure 2-10, Grounding System for MSH-M Series ............................................................23

Figure 2-11, Neutral-to-Ground Connection (Inverter Mode) ..............................................26

Figure 2-12, Neutral-to-Ground Connection (Standby Mode) ..............................................26

Figure 2-14, Warning Label ...........................................................................................27

Figure 2-13, Connecting a Large DC Ground Wire ............................................................27

Figure 2-15, AC Voltage Checks .....................................................................................28

Figure 3-1, Power Flow – Inverter Mode ..........................................................................29

Figure 3-2, Power Flow – Standby Mode .........................................................................30

Figure 3-3, Automatic 4-Stage Charging Graph ................................................................31

Figure 3-4, MSH Current Flow – Inverting .......................................................................33

Figure 3-5, MSH Current Flow – Charging and AC Pass-thru ..............................................33

Figure 3-6, MSH Current Flow – Charger Back-off ............................................................33

Figure 3-7, MSH Current Flow – Load Support AAC...........................................................34

Figure 3-8, MSH Current Flow – Load Support VDC ..........................................................34

Figure 3-9, BTS Temperature to Charge Voltage Change ...................................................35

Figure 3-10, Power Switch and Status Indicator ...............................................................37

Figure 4-1, Performing an Inverter Reset ........................................................................42

Figure A-1, MSH-M Series Effi ciency Chart ......................................................................44

Figure A-2, MSH-M Series Inverter Power vs Temperature .................................................44

Figure A-3, MSH-M Series Charge Current vs Temperature ................................................45

Figure B-1, Series Battery Wiring ...................................................................................48

Figure B-2, Parallel Battery Wiring .................................................................................48

Figure B-3, Series-Parallel Battery Wiring .......................................................................48

Figure B-4, Battery Bank Wiring Examples (12-volt) .........................................................49

Figure B-5, Battery Bank Wiring Examples (24-volt) .........................................................50

Figure C-1, AC Waveforms ............................................................................................51

List of Tables

Table 2-1, Recommended DC Wire/Overcurrent Device for Rated Use .................................14

Table 2-2, DC Wire Size For Increased Distance ...............................................................15

Table 2-3, Equipment Grounding Conductor Sizing ...........................................................24

Table 3-1, Inverter Battery Turn On/Off Levels .................................................................36

Table 3-2, Inverter/Charger Default Values .....................................................................38

Table 3-3, Inverter Compatibility Level ...........................................................................39

Table 3-4, Remote Compatibility Level ............................................................................39

Table 4-1, Basic Inverter Troubleshooting (Remote not available) .......................................41

Table C-1, Typical Appliance Power Consumption ..............................................................51

© 2013 Magnum Energy, Inc.

Page ix

Introduction

1.0 Introduction

Congratulations on your purchase of the MagnaSine Hybrid – Mobile (i.e., MSH-M) Series inverter/
charger from Magnum Energy. The MSH-M Series is a “hybrid” pure sine wave inverter designed
especially for rugged mobile applications (i.e., trucks, RVs and boats). 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.

Why is the MSH-M Series a “Hybrid”? Most inverters only use one source of energy to power
the inverter loads—either from the incoming AC power (i.e., shorepower or generator) or from
the batteries. The MSH-M Series combines the energy from both the AC input and the batteries
to power the inverter loads. This feature gives the inverter the ability to recharge the battery
when there is surplus power, or to deliver more power to the loads if they require more than the
AC input can supply by itself.

Info: This is a sizable manual and much of it is fairly technical. Terms may be used
throughout the manual that are unfamiliar to you. Refer to the Inverter/Charger
Terminology glossary in Appendix D for clarifi cation.

The MSH-M Series inverter/charger includes the following:

• A 3000w/12v or 4000w/24v model in a small installation footprint

• Pure sine wave output

• Automatic PFC (Power Factor Corrected) multi-stage battery charging

• RS485 standard communication protocol

• Remote and Network ports (easy connection for optional accessories)

• Inverter-mounted ON/OFF switch with LED indicator

• 60-amp AC pass-thru capability

• Field serviceable for qualifi ed personnel—tested repair kits available

• Automatic battery temperature compensation (when using the Battery Temperature Sensor)
for optimum charging even during extreme temperature changes

• Overcurrent, over-temperature, and high/low battery voltage protection

The following accessories are also available for use with the MSH-M Series inverter/charger:

• ME-AGS-N (Automatic Generator Start Module – Network version) – automatically starts/

stops your generator.

• ME-ARC50 (Advanced Remote Control) – easy to read LCD display panel that allows advanced

inverter set up, control, and troubleshooting.

• ME-BMK (Battery Monitor Kit – with Shunt) – provides precise DC voltage/current measure-

ments and information on your battery’s State of Charge (SOC) condition.

• ME-RC50 (Standard Remote Control) – easy to read LCD display panel that allows standard

inverter set up, control, and troubleshooting.

Regulatory Compliance

The MSH-M Series inverter/charger is designated as a Standalone power inverter with an internal
battery charger. It can be connected to a utility grid (i.e., shorepower) or to a generator to allow
the inverter batteries to be charged, and to power inverter loads while connected. The MSH-M
series is not a grid-interactive (also known as utility-interactive) inverter and does not have the
capability to export (or sell) power back into the utility grid.

The MSH-M Series is intended to be used for land vehicles (RVs or trucks) or marine craft. It has
been tested and listed to UL 458, 5th Edition (Power Converters/Inverters and Power Converter/
Inverter Systems for Land Vehicles and Marine Crafts) for use in the US; and is also certifi ed 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 certifi cation.

© 2013 Magnum Energy, Inc.Page 1

Introduction

1.1 How the MSH-M Inverter/Charger Works

There are two main modes of operation associated with the MSH-M inverter/charger:

• 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., AC loads) connected to the inverter’s output.

• Standby Mode:

When an external source of AC power (i.e., shorepower or generator) is connected and
qualifi ed on the inverter’s AC input, it operates in Standby mode. In Standby mode, an
internal AC transfer relay automatically closes to pass the incoming AC power directly to the
inverter’s output to continue powering the connected electrical appliances. The unit is also
monitoring the AC input and “standing-by” to switch to Inverter mode if the unit detects a
power failure (or low AC voltage). While in the Standby mode, the unit can operate:

a) as a battery charger, which converts the incoming AC power into DC power to recharge
the batteries; or

b) in load support, when the incoming AC source is not large enough to power the inverter
loads by itself, additional current from the battery is used to ensure the inverter loads
continue to be powered.

1.2 Advantages of using a Pure Sine Wave Inverter

Today’s inverters come in three basic output waveforms: square wave, modifi ed sine wave (which
is actually a modifi ed square wave), and pure sine wave (see Figure C-1 in Appendix C). Modifi ed
sine wave inverters approximate a pure sine wave form and will run most appliances (see also
Section C-1 “Appliances and Run Time” in Appendix C) 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 MSH-M Series, which is a pure sine wave inverter, is equal to or in many cases,
better than shorepower. 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 Hybrid provides you with
all the advantages of a pure sine wave inverter at a much lower cost than many on the market.

The MSH-M Series is built on the same platform as our popular ME and RD Series modifi ed sine
wave inverters—allowing for an easy upgrade to a pure sine wave inverter from the original ME
and 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 (ME­ARC), Standard Remote Control (ME-RC), Automatic Generator Start – Networked (ME-AGS-N), and
Battery Monitor Kit (ME-BMK) can be used—see Section A-3 “Optional Equipment and Accessories”
for more information on these products.

© 2013 Magnum Energy, Inc.

Page 2

Introduction

1.3 Features and Benefi ts

The MSH-M 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 cooler, more effi cient operation.

The front of the MSH-M 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

1

inverter on or off.

Status LED Indicator – this green LED illuminates to provide information on inverter

2

or charger operation.

Stack/Accessories Connection Port (red label) – a RJ11 port that accepts optional

3

accessories. Note: the MSH-M Series does not have the ability to be stacked.

Network Connection Port (green label) – a RJ11 port that accepts optional network

4

capable accessories (i.e., Auto Gen Start or Battery Monitor).

Remote Connection Port (blue label) – a RJ11 port that allows an optional remote

5

control to be connected.

Battery Temperature Sensor Connection Port (yellow label) – a RJ11 port that

6

accepts the remote Battery Temperature Sensor (BTS).

Power ON/OFF Switch

1

Status LED

2

(Charging/Inverting)

Accessories Port

3

(red label – RJ11 connection)

Network Port

4

(green label – RJ11 connection)

Remote Port

5

(blue label – RJ11 connection)

Battery Temperature Sensor Port

6

(yellow label – RJ11 connection)

Figure 1-1, Power Switch, Status LED, and Accessory Connection Ports

© 2013 Magnum Energy, Inc.Page 3

Introduction

DC Equipment Ground Terminal – this connection is used to tie the exposed chassis

7

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

8

reliefs to accommodate and secure the AC input and output fi eld wiring.

Intake Air Vents – ventilation openings to pull in air to help keep the inverter cool for

9

peak performance. The intake air vents are located on the front side and at the front on
the right side; also see Figure 2-3 for the location of the air vents.

Positive DC Terminal – provides a 360 degree connection point for the positive (+) cable

10

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 (-)

11

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.

12 Mounting Flange – used to secure the inverter to a shelf or wall.

2

).

8

AC Entry/

Exit

Connections

7

DC

Equipment

Ground

Terminal

Intake Air Vents

(and on right side - front)

9

10

Positive (+)
DC terminal

(under cover)

11

Negative (-)

DC terminal

(under cover)

12

Mounting

Flange

Figure 1-2, Electrical Connection Points

© 2013 Magnum Energy, Inc.

Page 4

Introduction

CB2 (60A)
AC Output

17

CB1 (60A)

AC Input

16

15

AC Access Cover

14

Model/Serial

Number Label

13

Exhaust Air

Vents

(and on

right side

– rear)

The left side of the MSH-M Series inverter is equipped with the following features (Figure 1-3):

Exhaust Air Vents – ventilation openings that allow heated air to be removed by the

13

internal cooling fan. The exhaust air vents are located on the back side and at the rear
on the right side; also see Figure 2-3 for the location of the air vents.

Model/Serial Number Label – includes model/serial number information, date of

14

manufacture, and inverter and charger specifi cations. See the MSH-M specifi cations 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

15

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.

AC Input Circuit Breaker (CB1) – this 60-amp AC circuit breaker protects the unit’s

16

internal charger wiring and pass-thru relay while in Standby mode. This circuit breaker
pops out when it opens—press in to reset.

AC Output Circuit Breaker (CB2) – this 60-amp AC circuit breaker protects the output

17

wiring inside the inverter while load supporting during Standby mode. This output circuit
breaker is not branch-rated, therefore any loads connected to the inverter’s output must
be protected by an external (NEUTRAL and HOT) branch-rated circuit breaker. This circuit
breaker pops out when it opens—press in to reset.

CAUTION: The inverter’s internal AC transfer relays are rated for 60 amps. The pass­thru current must be no greater than 60 amps or damage to the relays may occur.

Figure 1-3, Left Side Features

© 2013 Magnum Energy, Inc.Page 5

Installation

2.0 Installation

WARNING: Installations should be performed by qualifi ed personnel, such as a licensed

or certifi ed 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 specifi c location and application of
the installation.

CAUTION: Review the “Important Product Safety Information” on pages iii-vi before
any installation.

CAUTION: The inverter is heavy. Use proper lifting techniques during installation to
prevent personal injury.

The simplifi ed 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 to 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 section to determine how best to install your MSH-M
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 MSH-M Series inverter/charger from its shipping container and inspect all
contents. Verify the following items are included:

• The MSH-M inverter/charger

• Red and black DC terminal covers with Phillips screws

• AC access cover with two Phillips screws

• Two 5/16” Kep or Flange nuts (installed on the DC terminals)

• Battery Temperature Sensor

• Warning label

• MSH-M 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

• Strain-reliefs and appropriate fi ttings • 1/4” mounting bolts and lock washers

• Electrical tape • Wire ties

Tools

• Miscellaneous screwdrivers • Pliers • Wire strippers

• Drill and drill bits • Pencil or marker • Multimeter

• Level • 1/2” wrench

© 2013 Magnum Energy, Inc.

Page 6

Installation

Shorepower

120VAC Output

Main Panel

ON

OFF

OFF

ON

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

120VAC

power to

inverter

AC

Transfer

Switch

Generator Power

120VAC Output

r

o
t
a

r

e
n
e

G

r
o
t

i

c
a
p

a

C
x
u

l
F

ME-RC50

PWR

FAULT

CHG
INV

ON/OFF

CHARGER

ON/
OFF

INVERTE

R

Remote Controls (Magnum Accessories)

120VAC inverter power

(or 120VAC pass-thru

power) to sub-panel

SELECT

AGS METER SETUPSHORE

TECH

MSH-M

Series

Inverter/

Charger

ME-ARC50

Sub-Panel

OFF

OFF

OFF

OFF

ME-AGS-N

Auto Gen Start

Controller

(Magnum

Accessory)

30A

OFF

ON

30A

OFF

ON

ON

ON

ON

ON

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ME-BMK

Battery Monitor

with shunt

(Magnum

Accessory)

Battery Bank

DC

Shunt

BTS

DC

Overcurrent

Protection

(breaker or

fuse/switch)

120
VAC

ME-SBC

Smart Battery

Combiner

(Magnum

Accessory)

120
VAC

Figure 2-1, Simplifi ed Installation Diagram

© 2013 Magnum Energy, Inc.Page 7

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 busbars, a powder-coated aluminum base
and the internal circuit boards are conformal coated—to help fi ght 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
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 77°F (25°C) to
meet power specifi cations.

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 airfl ow. 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, 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 fl ow into the inverter and heated air to exit the
inverter and the enclosure. When mounted in an enclosed compartment, airfl ow must be ≥ 100
cfm in order to maintain no more than a 68°F (20°C) rise in compartment temperature.

CAUTION: Do not mount this inverter in a zero clearance compartment, nor cover or
obstruct the ventilation openings—overheating may result.

Safe – Keep any fl ammable/combustible material (i.e., paper, cloth, plastic, etc.,) that may be
ignited by heat, sparks, or fl ames at a minimum distance of 2 feet (61 cm) away from the inverter.

WARNING: The MSH-M Series inverter/charger is not ignition protected and may not be
located in an engine compartment with gasoline fueled engines under any circumstance.
Do not install this inverter in any area that contains extremely fl ammable liquids like
gasoline or propane.

Close to the battery bank – As with any inverter, it should be located as close to the batteries as
possible. Long DC wires tend to lose effi ciency 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 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 MSH-M 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.

© 2013 Magnum Energy, Inc.

Page 8

Installation

2.2 Mounting the Inverter

The inverter base can reach a temperature up to 90°C (194°F) 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 MSH-M
Series must be mounted in one of the following positions (as shown in Figure 2-2):

• above or under a horizontal surface (shelf or table),

• on a vertical surface (wall) with the DC terminals to the right,

• on a vertical surface (wall) with the DC terminals toward the bottom, the MP-HOOD (inverter
hood) installed on the top, and either the ME-CB or MPX-CB conduit box installed on the
inverter’s bottom.

Info: The ME-CB or MPX-CB conduit box prevents material from falling out the bottom in
the event of an internal fi re, and also allow suffi cient ventilation to prevent the inverter
from overheating under normal operating conditions. The MP-HOOD helps prevent items
from falling inside—causing damage to the inverter.

Info: Magnum provides backplates for mounting the inverter. These backplates also allow
you to mount the MPX-CB conduit box (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 fl ammable vapors when subjected to fi re or heat as per the ASTM E136 standard. For the most part,
these are surfaces 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, or wood.

60

60

30

SHELF OR TABLE

MOUNTED

(RIGHT SIDE UP)

WALL MOUNTED

(DC TERMINALS TO THE RIGHT)

SHELF OR TABLE MOUNTED

(UP SIDE DOWN)

OVERLOADS."
"PROVIDED WITH INTEGRAL PROTECTION AGAIN

SEE DIAGRAM."

"WARNING: MORE THAN ONE LIVE CIRCUIT.
compartment. Overheating may result."

ventilation openings. Do not mount in zero-clearanc

c

"CAUTION- To prevent fire, do not cover or obstru
when connected to this inverter equipment."

inverter. Other types may fail to operate properly
operation instructions manual supplied with the
circuit breaker(s)] specified in the installation and
ground-fault circuit-interrupter [receptacle(s) or
"WARNING- Risk of electrical shock. Use only the

WALL MOUNTED
(DC TERMINALS

FACING

*WHEN THE INVERTER IS

MOUNTED IN THIS POSITION,
THE MP-HOOD (INVERTER

HOOD ON TOP) AND EITHER
THE ME-CB OR MPX-CB

(

CONDUIT BOX ON BOTTOM)

DOWN*)

MUST BE USED.

Figure 2-2, Approved Mounting Positions

© 2013 Magnum Energy, Inc.Page 9

c

c

N

Exhaust Air Vents

Exhaust Air Vents

4 ⅞"

(12.4 cm)

Side

Right

2"

(5.1 cm)

OVERLOADS."
"PROVIDED WITH INTEGRAL PROTECTION AGAI

SEE DIAGRAM."

"WARNING: MORE THAN ONE LIVE CIRCUIT.
compartment. Overheating may result."

ventilation openings. Do not mount in zero-clearan

"CAUTION- To prevent fire, do not cover or obstru
when connected to this inverter equipment."

inverter. Other types may fail to operate properly
operation instructions manual supplied with the
circuit breaker(s)] specified in the installation and
ground-fault circuit-interrupter [receptacle(s) or
"WARNING- Risk of electrical shock. Use only the

4 ⅞"

(12.4 cm)

Installation

6 ⅝"

(16.8 cm)

Vents

Air Intake

Air Intake Vents

Top

12 ⅝"

(32.1 cm)

8"

(20.3 cm)

12"

Front

(30.5 cm)

Bottom

13 ¾"

(34.9 cm)

Figure 2-3, MSH-M Series Dimensions and Side References

60

60

30

Left

Side

© 2013 Magnum Energy, Inc.

Page 10

Installation

2.3 Wiring the Inverter – General Requirements

This section describes the requirements and recommendations for wiring the MSH-M Series inverter/
charger. Before wiring the MSH-M Series inverter/charger, carefully read all instructions.

Wiring should meet all local codes and standards and be performed by qualifi ed 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 requirements for wire sizes, overcurrent protection, and
installation methods.

Inverter/charger systems involve power from multiple sources (inverter, generator, shorepower,
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
AC power (shorepower 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 a conduit box. Magnum offers
DC conduit boxes (ME-CB or MPX-CB) that allow both the AC and DC conduit to be connected to
the inverter.

Info: The strain reliefs can be removed and replaced with 3/4” grommets if you are using
either the ME-CB or MPX-CB conduit box and the AC wires are individual conductors (i.e.,
not jacketed).

2.3.2 Wiring Requirements

• All conductors that are at risk for physical damage must be protected by tape or placed
in a raceway.

• Always check for existing electrical, plumbing, or other areas of potential damage prior to
making cuts in structural surfaces or walls.

• Do not mix AC and DC wiring in the same panel unless specifi cally 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.

• Both AC and DC overcurrent protection must be provided as part of the installation.

• The inverter requires a reliable negative and ground return path directly to the battery.

• 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:

• AC input wiring from the main AC panel to the inverter.

• AC input wiring from a generator (optional) to the inverter.

• DC input wiring from the batteries to the inverter.

• AC output wiring from the inverter to the AC sub-panel or to dedicated circuits.

• Battery Temperature Sensor cable from the inverter to the batteries.

• Remote control cable (optional) to the inverter.

• Ground wiring to and from the inverter.

2.3.4 Torque Requirements

Torque all AC wiring connections to 16 in lbf (1.8 N-m). Torque DC cable connections from 10 to
12 ft lbf (13.6 to 16.3 N-m).

© 2013 Magnum Energy, Inc.Page 11