Magnum MS2012 Manuel utilisateur

Pure Sine Wave Inverter/Charger

MS Series

Owner’s Manual

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 Sensata Technologies.

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 Sensata Technologies. 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

and/or modify this document is prohibited without express written permission from Sensata.

Document Information

Description – MS Series Owner’s Manual

Part Number and Revision – 64-0007 Rev F

Date Published – July 2016

This entire manual is available for download—with many of the diagrams available in color—under

the Documents menu on our website at: www.SensataPower.com.

Contact Information

For Magnum Energy products:

Sensata Technologies Phone: 425-353-8833

2211 West Casino Rd. Fax: 425-353-8390

Everett, WA 98204 Web: www.SensataPower.com

Statement of Appreciation

Thank you from all of us at Sensata Technologies for purchasing this MS Series inverter/charger.

We understand that you have many purchasing options in the marketplace, and we are pleased that

you have decided on this Magnum Energy product. This MS Series inverter/charger was proudly

assembled and tested in the United States at our facility in Everett, Washington.

At Sensata, 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:

MS2000 (–15B/–20B) T1

MS2012 (–15B/–20B) J1

MS2812 H1

MS2024 AJ

MS4024 K1

MS4048 (–20B) AT

Safety Information

Page ii

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

THIS MANUAL CONTAINS IMPORTANT INSTRUCTIONS FOR THE MS SERIES INVERTER/CHARGER

THAT SHALL BE FOLLOWED 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.

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 (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 90°C (194°F).

• AC wiring must be no less than 10 AWG (5.3 mm²) gauge copper wire.

• Battery cables should have a crimped and sealed copper ring terminal lug with a 5/16 hole 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.

Safety Information

Page iii

• 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.

• 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 (2.5 cm) 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.

Safety Information

Page iv

CONSIGNES DE SÉCURITÉ IMPORTANTES

CONSERVER CES INSTRUCTIONS

CE MANUEL CONTIENT DE IMPORTANTES POUR LA SÉRIE MS ONDULEUR/CHARGEUR QUI DOIVENT

ETRE SUIVIES PENDANT L’INSTALLATION ET FONCTIONNEMENT DE CE PRODUIT. Avant d’utiliser

la série MS, 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 90° C.

• AC câblage ne doit pas être inférieure à 10 AWG (5.3 mm²) de cuivre de calibre.

• Câbles de batterie doit avoir un serti et anneau de cuivre scellé cosse avec un trou de 5/16

pour vous connecter à la prise DC les bornes sur le convertisseur.

• 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.

Safety Information

Page v

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

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 2.5

Câblage ca dans le chapitre d’installation pour plus d’informations.

• 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.

Reportez-vous à la Section 2.6 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.

• 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

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 an Inverter/Charger Works ....................................................................... 2

1.1.1 Inverter Applications for Permanent Installations .............................................. 2

1.1.2 Inverter Applications for Mobile Installations .................................................... 2

1.2 Advantages of a Pure Sine Wave vs a Modiﬁ ed Sine Wave Inverter ........................ 2

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

2.0 Installation .............................................................................................7

2.1 Pre-Installation ............................................................................................... 7

2.1.1 Unpacking and Inspection ............................................................................. 7

2.1.2 Required Tools and Materials .......................................................................... 7

2.1.3 Locating the Inverter ...................................................................................10

2.2 Mounting the Inverter ....................................................................................11

2.3 Wiring the Inverter – General Requirements ......................................................14

2.3.1 Protecting Wire – Conduit Box .......................................................................14

2.3.2 Wiring Requirements ...................................................................................14

2.3.3 Wire Routing ..............................................................................................14

2.3.4 Torque Requirements ...................................................................................14

2.4 DC Wiring .....................................................................................................15

2.4.1 DC Wire Sizing ............................................................................................17

2.4.2 DC Overcurrent Protection ............................................................................17

2.4.3 DC Cable Connections ..................................................................................18

2.4.4 Wiring the Battery Bank ...............................................................................19

2.4.5 Battery Temperature Sensor Installation and Wiring .........................................20

2.4.6 Wiring the Inverter to the Battery Bank ..........................................................21

2.5 AC Wiring .....................................................................................................22

2.5.1 Pre-AC Wiring Requirements .........................................................................22

2.5.2 AC Wire Size and Overcurrent Protection ........................................................22

2.5.3 Recommended GFCI (Ground Fault Circuit Interruption) Outlets.........................23

2.5.4 AC Terminal Connections (MS2012, MS2812, MS2024, MS4024, & MS4048) ........23

2.5.5 AC Conductor Wiring (MS2012, MS2812, MS2024, MS4024, & MS4048) .............24

2.5.6 AC Wiring Conﬁ gurations (MS2012, MS2812, MS2024, MS4024, & MS4048) .......25

2.5.7 AC Conductor Wiring (MS2000 models) ..........................................................31

2.5.8 AC Wiring Conﬁ guration (MS2000 models) ......................................................32

2.6 Grounding Inverters .......................................................................................35

2.6.1 Sizing the Grounding Electrode Conductors .....................................................36

2.6.2 System Bonding Jumper ...............................................................................38

2.6.3 Equipment Grounding Conductor ...................................................................38

2.6.4 Grounding on Boats .....................................................................................39

2.6.5 Neutral to Safety Ground Bonding .................................................................40

2.6.6 Disabling the Neutral-to-Ground Connection ...................................................41

2.6.7 Connecting a Large DC Ground Wire ..............................................................41

2.7 Inverter Notiﬁ cation Requirements ...................................................................42

2.7.1 Facilities with Standalone Systems .................................................................42

2.7.2 Facilities with Utility Services and PV Systems .................................................42

2.7.3 Inverter Warning Label ................................................................................42

2.8 Final Inspection .............................................................................................42

2.9 Functional Test ..............................................................................................43

Table of Contents (Cont.)

3.0 Operation .............................................................................................45

3.1 Inverter Mode ...............................................................................................45

3.2 Standby Mode ...............................................................................................47

3.3 Battery Charging ...........................................................................................48

3.4 Transfer Time ................................................................................................50

3.5 Battery Temperature Sensor Operation .............................................................50

3.6 Protection Circuitry Operation ..........................................................................51

3.7 Inverter Startup ............................................................................................52

3.8 Factory Default Values ....................................................................................53

3.9 Inverter Fan Operation ...................................................................................54

3.10 Using a Remote with the MS Series Inverter ......................................................54

4.0 Maintenance and Troubleshooting ........................................................55

4.1 Recommended Inverter and Battery Care ..........................................................55

4.2 Storage for Mobile Installations .......................................................................55

4.3 Troubleshooting .............................................................................................56

4.4 Resetting the Inverter ....................................................................................57

4.4.1 Performing an Inverter Reset ........................................................................57

4.4.2 Performing a Power Reset .............................................................................57

Appendix A – Speciﬁ cations and Optional Equipment ....................................58

A-1 Inverter/Charger Speciﬁ cations .......................................................................58

A-2 Inverter Efﬁ ciency .........................................................................................59

A-3 AC Input Voltage to Output Charge Amps ..........................................................59

A-4 Temperature and Inverter Output.....................................................................60

A-5 Temperature and Charger Output .....................................................................60

A-6 Optional Equipment and Accessories ................................................................61

Appendix B – Battery Information .................................................................62

B-1 Battery Location ............................................................................................62

B-2 Battery Types ................................................................................................62

B-3 Battery Temperature ......................................................................................62

B-4 Battery Bank Sizing .......................................................................................62

B-5 Battery Bank Sizing Worksheet ........................................................................63

B-6 Battery Wiring Conﬁ gurations ..........................................................................64

B-6.1 Series Wiring ..............................................................................................64

B-6.2 Parallel Wiring ............................................................................................64

B-6.3 Series-Parallel Wiring ...................................................................................64

Appendix C – Power Consumption & Output Waveforms ...............................68

C-1 Appliances and Run Time ................................................................................68

C-2 Output Waveform ................................................................................................................................................ 68

Appendix D – Inverter/Charger Terminology ................................................69

Appendix E – Warranty & Service ..................................................................71

E-1 Limited Warranty ...........................................................................................71

E-2 How to Receive Repair Service .........................................................................71

Page viii

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 (MS2012, MS2812, MS2024, MS4024, MS4048) ...................... 5

Figure 1-4, Left Side Features (MS2000 Series) ................................................................. 6

Figure 2-1, Simpliﬁ ed Installation for Permanent Installations (MS Series) ............................. 8

Figure 2-2, Simpliﬁ ed Installation for Permanent Installations (MS2000) ............................... 9

Figure 2-3, Approved Mounting Positions ........................................................................ 11

Figure 2-4, MS Dimensions (MS2012, MS2812, MS2024, MS4024, MS4048) ........................ 12

Figure 2-5, MS Dimensions (MS2000) ............................................................................ 13

Figure 2-6, DC and Battery Temperature Sensor Wiring .................................................... 16

Figure 2-7, Battery Hardware Installation ....................................................................... 19

Figure 2-8, Inverter DC Hardware Installation ................................................................. 19

Figure 2-9, Battery Temperature Sensor ......................................................................... 20

Figure 2-10, AC Terminal Block ...................................................................................... 23

Figure 2-11, AC Wiring for Single In – Single Out (30 A) Conﬁ gurations .............................. 26

Figure 2-12, AC Wiring for Single In – Single Out (60 A) Conﬁ gurations .............................. 27

Figure 2-13, AC Wiring for Single In – Dual Out Conﬁ gurations .......................................... 28

Figure 2-14, AC Wiring for Dual In – Single Out Conﬁ gurations .......................................... 29

Figure 2-15, AC Wiring for Dual In – Dual Out Conﬁ gurations ............................................ 30

Figure 2-16, AC Wiring for MS2000 Models ..................................................................... 33

Figure 2-17, AC Wiring for MS2000-15B/-20B Models ....................................................... 34

Figure 2-18, Grounding System for MS Series ................................................................. 35

Figure

2-19, Multiple Connections to DC Ground Rod (Method 1) ........................................ 36

Figure 2-20, Multiple Connections to DC Ground Rod (Method 2) ........................................ 37

Figure 2-21, Single Connection to DC Ground Rod (Method 3) ........................................... 37

Figure 2-22, Neutral-to-Ground Connection (Inverter Mode) .............................................. 40

Figure 2-23, Neutral-to-Ground Connection (Standby Mode) .............................................. 40

Figure 2-24, Disconnecting the Neutral-to-Ground Connection ........................................... 41

Figure 2-25, Connecting a Large DC Ground Wire ............................................................ 41

Figure 2-26, Warning Label ........................................................................................... 42

Figure 2-27, AC Voltage Checks ..................................................................................... 44

Figure 2-28, AC Voltage Checks (MS2000 models) ........................................................... 44

Figure 2-29, AC Voltage Checks (MS2000-15B/20B models) .............................................. 44

Figure 3-1, Power Flow – Inverter Mode (MS2012/2812/2024/4024/4048) .......................... 45

Figure 3-2, Power Flow – Inverter Mode (MS2000 models) ................................................ 46

Figure 3-3, Power Flow – Inverter Mode (MS2000-15B/-20B models) .................................. 46

Figure 3-4, Power Flow – Standby Mode (MS2012/2812/2024/4024/4048) .......................... 47

Figure 3-5, Power Flow – Standby Mode (MS2000 models) ................................................ 47

Figure 3-6, Power Flow – Standby Mode (MS2000-15B/-20B models) ................................. 48

Figure 3-7, Automatic 4-Stage Charging Graph ................................................................ 49

Figure 3-8, BTS Temperature to Charge Voltage Change ................................................... 50

Figure 3-9, Power Switch and Status Indicator ................................................................. 52

Figure 4-1, Performing an Inverter Reset ........................................................................ 57

Figure A-1, MS Series Efﬁ ciency Chart ............................................................................ 59

Figure A-2, MS Series VAC Input to Charge Amps ............................................................ 59

Figure A-3, Temperature to Continuous Inverter Output Power ........................................... 60

Figure A-4, Temperature to Continuous Charger Output Current ......................................... 60

List of Tables

Table 2-1, Recommended DC Wire/Overcurrent Device for Rated Use ..................................17

Table 2-2, DC Wire Size For Increased Distance ................................................................18

Table 2-3, AC Input/Output Wiring Conﬁ gurations .............................................................25

Table 2-4, AC Input/Output Wiring Conﬁ gurations (MS2000 models)....................................32

Table 2-5, AC Grounding Electrode Conductor Sizing .........................................................36

Table 2-6, Equipment Grounding Conductor Sizing ............................................................38

Table 3-1, Inverter Battery Turn On/Off Levels ..................................................................51

Table 3-2, Inverter/Charger Default Values ......................................................................53

Table 4-1, Basic Troubleshooting .....................................................................................56

Table C-1, Typical Appliance Power Consumption ...............................................................68

List of Figures (Cont.)

Figure B-1, Series Battery Wiring ................................................................................... 64

Figure B-2, Parallel Battery Wiring ................................................................................. 64

Figure B-3, Series-Parallel Battery Wiring ....................................................................... 64

Figure B-4, Battery Bank Wiring Examples (12-volt) ......................................................... 65

Figure B-5, Battery Bank Wiring Examples (24-volt) ......................................................... 66

Figure B-6, Battery Bank Wiring Examples (48-volt) ......................................................... 67

Figure C-1, AC Waveforms ............................................................................................ 68

Page 1

Introduction

1.0 Introduction

Congratulations on your purchase of a MS Series inverter/charger from Sensata Technologies. 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 Sensata.

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

throughout the manual that are unfamiliar to you. Refer to the Inverter/Charger

Terminology glossary in Appendix D for clariﬁ cation.

The MS Series inverter/charger includes the following:

• 2000, 2800, or 4000 watt model in a small footprint—less area needed for installation

• 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

• 30-amp per leg AC pass-through 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

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 export (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

Edition¹ (Inverters, Converters and Controllers for Use in Independent Power Systems) 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.

The MS Series also meets the KKK-A-1822E standard for use in ambulances.

Note¹ – The MS2000 models are not listed to the UL 1741 standard.

Page 2

Introduction

1.1 How an Inverter/Charger Works

There are two modes of operation associated with this 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., utility power or generator) is connected and qualiﬁ ed

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.

1.1.1 Inverter Applications for Permanent Installations

An inverter can be used for backup power in a permanent location that normally uses utility power,

such as a home or ofﬁ ce. 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 ofﬁ ce 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

the inverter to power the system while the batteries recharge.

1.1.2 Inverter Applications for Mobile Installations

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.

1.2 Advantages of a Pure Sine Wave vs a Modiﬁ ed 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 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 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

or RD Series installation. This standard platform also helps reduce cost by using standard parts/

accessories across many models. Sensata 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 (see Section A-6 in Appendix A).

Page 3

Introduction

1.3 Features and Beneﬁ ts

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 efﬁ cient operation.

Note: While not pictured, the MS2000 models have the same features as those listed in this section.

The MS inverter is equipped with the following features (refer to Figures 1-1 and 1-2):

1

Power ON/OFF Switch – a momentary pushbutton switch that alternately turns the

inverter on or off.

2

Charging/Inverting LED Indicator – this green LED illuminates to provide status

information on inverter or charger operation.

3

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 MS4024 and MS4048 inverter/chargers. See the ME-SSI

owner’s manual (PN: 64-0009) for additional information on series stacking.

4

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

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

5

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

control to be connected.

6

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

accepts the remote Battery Temperature Sensor (BTS).

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

1

2

3

4

5

6

Power ON/OFF Switch

Charging/Inverting LED

(status)

Stack/Accessories Port

(red label – RJ11 connection)

Network Port

(green label – RJ11 connection)

Remote Port

(blue label – RJ11 connection)

Battery Temp Sensor Port

(yellow label – RJ11 connection)

Page 4

Introduction

Figure 1-2, Electrical Connection Points

9

10

8

7

12

11

Positive (+)

DC Terminal

(under cover)

Negative (-)

DC Terminal

(under cover)

Mounting

Flange

DC

Equipment

Ground

Terminal

AC Entry/

Exit

Connections

Intake Air Vents

(and on right front side)

7

DC Equipment Ground Terminal – 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 mm2). Tightening torque is 45 in-lb.

8

AC Entry/Exit Connections – two 3/4” knockouts provided with cable-clamp strain

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

9

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

peak performance.

10

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.

11

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.

12

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

Page 5

Introduction

Figure 1-3, Left Side Features (MS2012, MS2812, MS2024, MS4024, MS4048)

The left side of MS Series inverters are equipped with the following features (Figures 1-3 & 1-4):

13

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

internal cooling fan.

14

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

manufacture, and inverter and charger speciﬁ cations. See the MS speciﬁ cations in

Appendix A for more information and a list of available models.

15

AC Access Cover – provides access to the internal AC wiring terminal block

(Figure 2-10). 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.

Note: The MS2000 models do not have the AC wiring terminal block.

16

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.

17

AC Output Circuit Breakers (CB1 & CB2) – these circuit breakers are branch-rated

and are only available on models MS2000-15B, MS2000-20B, MS2012-15B, MS2012-

20B, and MS4048-20B. They allow the inverter AC loads to be connected directly to the

inverter’s output without requiring an inverter sub-panel. These circuit breakers pop out

when they open—press in to reset. They can also be manually pulled to disconnect the

inverter’s loads.

CAUTION: Inverter models without the output circuit breakers (CB1 and CB2) must

have branch-rated circuit breakers installed in the inverter’s output wiring.

CAUTION: 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.

14

15

17

16

AC Access Cover

Model/Serial

Number Label

AC Input Circuit

Breaker

AC Output Circuit Breakers

(only available on -15B,

-20B output breaker models)

Exhaust

Air Vents

(on back side

and on back

right side)

13

Page 6

Introduction

Figure 1-4, Left Side Features (MS2000 Series)

15

AC Access Cover

AC Input Circuit Breaker

AC Output Circuit Breakers

(on -15B, -20B output

breaker models only)

16

17

Note: The model shown is not a -15B or -20B model, therefore it does not show any AC output

breakers. Models without output breakers (CB1 & CB2) use carriage bolts to ﬁ ll the breaker openings.

Installation

2.0 Installation

Info: 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 ii-v before any

installation.

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

prevent personal injury.

The simpliﬁ ed system diagrams shown in Figures 2-1 & 2-2 should be reviewed to assist you in

planning and designing your installation. These drawings are not intended to override or restrict any

national or local electrical codes. The drawings 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 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:

• The MS Series inverter/charger

• AC access cover with Phillips screws

• Red and black DC terminal covers with Phillips screws

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

• Battery Temperature Sensor

• Warning label

• MS Series Owner’s Manual

If items appear to be missing or damaged, contact your authorized Magnum product dealer or

Sensata. 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

• Conduit, 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

Installation

Figure 2-1, Simpliﬁ ed Installation for Permanent Installations (MS Series)

Battery Bank

120/240VAC

power to

inverter

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

240

VAC

120

VAC

120

VAC

DC

Overcurrent

Protection

(breaker or

fuse/switch)

MS Series

Inverter/

Charger

Main Panel

Sub-Panel

120VAC inverter power

(or 120/240VAC pass-thru power)

to sub-panel

ME-BMK

Battery Monitor

with shunt

(Magnum

Accessory)

DC

Shunt

AC

Transfer

Switch

Generator Power

120/240VAC Output

Utility Power

120/240VAC Output

F

l

u

x

C

a

p

a

c

i

t

o

r

G

e

n

e

r

a

t

o

r

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

BTS

ON

OFF

ON

OFF

30A

ME-SBC

Smart Battery

Combiner

(Magnum

Accessory)

ME-AGS-N

Auto Gen Start

Controller

(Magnum

Accessory)

SELECT

TECH

AGS METER SETUPSHOREINVERTER

CHARGER

INV

CHG

FAULT

PWR

ON/OFF

Remote Controls (Magnum Accessories)

ME-RC50

ME-ARC50

Installation

Figure 2-2, Simpliﬁ ed Installation for Permanent Installations (MS2000)

Battery Bank

120VAC

power to

inverter

DC Overcurrent

Protection

(breaker or fuse/switch)

MS2000

Series

Inverter/

Charger

Main Panel

ME-BMK

Battery

Monitor with

shunt

(Magnum

Accessory)

DC Shunt

AC

Transfer

Switch

Generator Power

120/240VAC Output

Utility Power

120/240VAC Output

ON

OF F

ON

OF F

ON

OF F

ON

OF F

ON

OF F

ON

OF F

ON

OFF

ON

OF F

ON

OF F

ON

OF F

ON

OF F

ON

OF F

ON

OF F

BTS

ME-SBC

Smart

Battery

Combiner

(Magnum

Accessory)

ME-AGS-N

Auto Gen

Start

Controller

(Magnum

Accessory)

St ack/Ac ce ss or ies

Net w o rk

Rem o te

Bat tery T e mp Sens or

Power ON/OFF

C h ar gi ng / I nv er t i n g

SE LE CT

TECH

AGS METER SETUPSHORE

INV E R T E

R

CHARGER

INV

CH G

FAULT

PWR

ON/OFF

ON/

OFF

ME-RC50

ME-ARC50

Remote Controls (Magnum Accessories)

120

VAC

Sub-Panel

ON

OF F

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 (Figure 1-1, Items

3-6). 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 (Figure 1-2, Item 9) and blow out air through the exhaust vents

(Figure 1-3, Item 13). 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 (e.g., 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 MS Series inverter/charger is not ignition-protected. Do not install this

inverter in any area that contains extremely ﬂ ammable 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 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 Figures

2-3 and 2-4 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.

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