Magnum Energy MCP5538 Manuale del proprietario

Marca: Magnum Energy

Modello: MCP5538

Categoria: Adattatori di alimentazione

Tipo: Manuale del proprietario

Questo manuale è adatto anche per

MS Series

Pure Sine Wave

Inverter/Charger

Owner’s Manual

Disclaimer of Liability

Since the use of this manual and the conditions or methods of installation, operation, use and

maintenance of the MS Series Inverter/Charger is beyond the control of Magnum Energy Inc.,

this company does not assume responsibility and expressly disclaims liability for loss, damage or

expense, whether direct, indirect, consequential or incidental, arising out of or anyway 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 shall not be used in connection with life support systems, life

saving or other medical equipment or devices. Using the MS Series Inverter/Charger with this

particular equipment is at your own risk.

tribute and/or modify this document is prohibited without express written permission by Magnum

Energy, Inc.

Contact Information

Magnum Energy, Inc.

2211 West Casino Rd.

Everett, WA 98204

Phone: 425-353-8833

Fax: 425-353-8390

Web: www.magnumenergy.com

Record the unit’s model and serial number 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.

Model Number ___________________

Serial Number ___________________

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

IMPORTANT SAFETY INSTRUCTIONS

This manual contains important safety instructions that must be followed during the installation

and operation of this product.

All electrical work must be performed in accordance with local, state and federal electrical codes.

Read all instructions and safety information contained in this manual before installing or using

this product.

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.

Remove all jewelry such as rings, watches, bracelets, etc., when installing or performing

maintenance on the inverter.

Always disconnect the batteries or energy source prior to installing or performing maintenance

on the inverter.

Live power may be present at more than one point since an inverter utilizes both batteries

and AC.

Always verify proper wiring prior to starting the inverter.

There are no user serviceable parts contained in this product.

This unit is provided with integral protection against overloads.

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, ABYC,

RVIA, and local codes.

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

Use Class 1 wiring methods for ﬁ eld wiring connections to terminals of a Class 2 circuit.

Use only copper wires with a minimum temperature rating of 90°C.

Listed or labeled equipment shall be installed and used in accordance with any instructions

included in the listing or labeling.

Safety Symbols

To reduce the risk of electrical shock, ﬁ re, or other safety hazard, 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.

Remedy: This symbol provides possible solutions for related issues.

SAVE THESE INSTRUCTIONS

•

IMPORTANT BATTERY SAFETY INSTRUCTIONS

Be very careful when working around batteries, they can produce extremely high currents

if short-circuited. Read the battery supplier’s precautions before installing the inverter and

batteries.

Wear eye protection such as safety glasses when working with batteries.

Remove all jewelry such as rings, watches, bracelets, etc., when installing or performing

maintenance on the inverter.

Never work alone. Always have someone near you 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. Always install batteries in a stable

environment.

Install batteries in a well ventilated area. Batteries can produce explosive gasses. For

compartment or enclosure installations, always vent batteries to the outside.

Provide at least one inch of air space between batteries to provide optimum cooling.

Never smoke when in the vicinity of batteries.

To prevent a spark at the battery and reduce the chance of explosion, always connect the

cables to the batteries ﬁ rst. Then connect the cables to the inverter.

Use insulated tools at all times.

Always verify proper polarity and voltage before connecting the batteries to the inverter.

To reduce the chance of ﬁ re or explosion, do not short-circuit the batteries.

In the even of accidental exposure to battery acid, wash thoroughly with soap and water. In

the even of exposure to the eyes, ﬂ ood them for at least 15 minutes with running water and

seek immediate medical attention.

Recycle old batteries.

SAVE THESE INSTRUCTIONS

•

Table of Contents

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

1.1 Features and Beneﬁ ts ................................................................................. 2

1.2 How an Inverter/Charger Works ................................................................... 5

1.3 Advantages of a Pure Sine Wave vs Modiﬁ ed Sine Wave Inverter ...................... 5

1.4 Appliances and Run Time ............................................................................ 6

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

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

2.2 Mounting the Inverter ...............................................................................10

2.3 Wiring the Inverter - General Requirements .................................................12

2.4 DC Wiring ................................................................................................13

2.5 AC Wiring ................................................................................................20

2.6 Grounding Inverters ..................................................................................30

2.7 Inverter Notiﬁ cation Requirements ..............................................................37

2.8 Final Inspection ........................................................................................37

2.9 Functional Test .........................................................................................38

3.0 Operation ....................................................................................39

3.1 Inverter Mode ..........................................................................................39

3.2 Standby Mode ..........................................................................................40

3.3 Battery Charging ......................................................................................40

3.4 Transfer Time ...........................................................................................42

3.5 Battery Temperature Sensor Operation ........................................................42

3.6 Protection Circuitry Operation .....................................................................43

3.7 Inverter Startup .......................................................................................44

3.8 Factory Default Values ...............................................................................45

4.0 Maintenance and Troubleshooting ...............................................46

4.1 Recommended Inverter and Battery Care .....................................................46

4.2 Storage for Mobile Installations...................................................................46

4.3 Troubleshooting ........................................................................................47

4.4 Resetting the Inverter ...............................................................................48

Appendix A - Speciﬁ cations and Optional Equipment ...........................49

A-1 Inverter/Charger Speciﬁ cations ..................................................................49

A-2 Inverter Efﬁ ciency .....................................................................................50

A-3 AC Input Voltage to Output Charge Amps ........................................................... 50

A-4 Optional Equipment and Accessories............................................................51

Appendix B - Battery Information .......................................................52

B-1 Battery Location .......................................................................................52

B-2 Battery Types ...........................................................................................52

B-3 Battery Temperature .................................................................................52

B-4 Battery Bank Sizing ..................................................................................52

B-5 Battery Bank Sizing Worksheet ...................................................................53

B-6 Battery Wiring Conﬁ gurations .....................................................................54

Limited Warranty ................................................................................57

How to Receive Repair Service ............................................................57

List of Figures

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

Figure 1-2, Electrical Connection Points ...........................................................................................3

Figure 1-3, Left Side Features ........................................................................................................4

Figure 2-1, Simpliﬁ ed Installation Diagram for Permanent Installations ................................................8

Figure 2-2, Approved Mounting Positions ....................................................................................... 10

Figure 2-3, MS Series Dimensions ................................................................................................. 11

Figure 2-4, DC and Battery Temperature Sensor Wiring ................................................................... 14

Figure 2-5, Battery Hardware Installation ......................................................................................16

Figure 2-6, Inverter DC Hardware Installation ................................................................................ 16

Figure 2-7, Battery Temperature Sensor ........................................................................................ 18

Figure 2-8, MS Series Inverter/Charger - AC Wiring ....................................................................... 21

Figure 2-9, MS Series Inverter/Charger - AC Wiring (Access Panel) .................................................. 21

Figure 2-10, AC Terminal Block ..................................................................................................... 22

Figure 2-11, AC Wiring for Single In - Single Out (30 A) Conﬁ gurations ............................................. 25

Figure 2-12, AC Wiring for Single In - Single Out (60 A) Conﬁ gurations ............................................. 26

Figure 2-13, AC Wiring for Single In - Dual Out Conﬁ gurations ......................................................... 27

Figure 2-14, AC Wiring for Dual In - Single Out Conﬁ gurations ......................................................... 28

Figure 2-15, AC Wiring for Dual In - Dual Out Conﬁ gurations ............................................................ 29

Figure 2-16, Grounding System for MS Series ................................................................................ 30

Figure 2-17, Multiple Connections to DC Ground Rod (Method 1) ....................................................... 31

Figure 2-18, Multiple Connections to DC Ground Rod (Method 2) ....................................................... 32

Figure 2-19, Single Connection to DC Ground Rod (Method 3) .......................................................... 32

Figure 2-20, Neutral-to-Ground Connection (Inverter Mode) ............................................................. 35

Figure 2-21, Neutral-to-Ground Connection (Standby Mode) ............................................................. 35

Figure 2-22, Disconnecting the Ground-to-Neutral connection ........................................................... 36

Figure 2-23, Large ground wire connected to MS Series ................................................................... 36

Figure 2-24, Warning Label .......................................................................................................... 37

Figure 2-25, AC Voltage Checks .................................................................................................... 38

Figure 3-1, Power Flow - Inverter Mode .........................................................................................39

Figure 3-2, Power Flow - Standby Mode ......................................................................................... 40

Figure 3-3, Automatic 4-Stage Charging Graph ............................................................................... 41

Figure 3-4, BTS Temperature to Charge Voltage Change .................................................................. 42

Figure 3-5, Power Switch and Status Indicator ................................................................................ 44

Figure 4-1, Performing an Inverter Reset .......................................................................................48

Figure 4-2, MS Series Efﬁ ciency Chart ........................................................................................... 50

Figure 4-3, MS Series Output Charger Current Chart ....................................................................... 50

Figure B-1, Series Battery Wiring .................................................................................................. 54

Figure B-2, Parallel Battery Wiring ................................................................................................ 54

Figure B-3, Series-Parallel Battery Wiring....................................................................................... 54

Figure B-4, Battery Bank Wiring Examples (12-volt) ........................................................................ 55

Figure B-5, Battery Bank Wiring Examples (24-volt) ........................................................................ 56

List of Tables

Table 1-1, Typical Appliance Power Consumption ...............................................................................6

Table 2-1, Recommended DC Wire/Overcurrent Device for Rated Use ................................................ 15

Table 2-2, DC Wire Size For Increased Distance .............................................................................. 16

Table 2-3, AC Input/Output Wiring Conﬁ gurations ........................................................................... 24

Table 2-4, AC Grounding Electrode Conductor Sizing ....................................................................... 31

Table 2-5, Equipment Grounding Conductor Sizing .......................................................................... 33

Table 3-1, Inverter Battery Turn On/Off Levels ................................................................................ 43

Table 3-2, Inverter/Charger Default Values .................................................................................... 45

Table 4-1, Basic Troubleshooting ................................................................................................... 47

Page 1

Introduction

1.0 Introduction

Congratulations on your purchase of the MS Series inverter/charger from Magnum Energy. The

MS Series is a “pure” sine wave inverter designed especially for rugged mobile applications, home

backup power and stand-alone applications. Powerful, yet simple to use, this inverter/charger

will provide you with years of trouble-free performance you have come to expect from Magnum

Energy.

Installation is easy. Simply connect the inverter’s output to your distribution circuits or electrical

panel; connect your utility or AC generator power to the inverter’s easy-to-reach terminal block;

connect the batteries, and then switch it on for power.

With the optional accessories listed below you can control and monitor many other Magnum

Devices.

The MS Series Inverter/Charger includes the following:

2000, 2800, or 4000 Watt Models in a small footprint - less weight and 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)

ON/OFF Inverter-mounted switch with LED indicator

60 Amp AC Transfer available (using Dual IN/Dual OUT wiring)

Large AC access and terminal block [wire size: 14 to 6 AWG (2.1 to 13.3 mm2) CU]

DC terminal covers with 360 degree connection

Field Serviceable for qualiﬁ ed personnel - tested repair kits available

Smooth, aesthetically pleasing design

ETL listed to UL/cUL STDs 458, 1741 and CSA STD 22.2 107.01-01 for safety.

Automatic battery temperature compensation (using battery temperature sensor) - for

optimum charging even during extreme temperature changes

Over-current, over-temperature, and high/low battery voltage protection

The following accessories are also available for use with the MS Series inverter/charger:

ME-RC (Remote Control Display) - communicates with the inverter to: 1. Easily operate

and monitor your inverter and charger from a remote location; 2. Conﬁ gure the inverter’s

adjustable settings and maintain these settings with nonvolatile memory; 3. Provide text

display to help with troubleshooting inverter faults.

ME-AGS-N (Automatic Generator Start Module - Network version) - communicates with

the inverter to automatically start/stop your connected generator.

ME-BMK (Battery Monitor Kit) - communicates with the inverter to provides precise DC

voltage/current measurements and information on the battery’s State of Charge (SOC).

ME-CB (Conduit Box) - provides 1/2” - 2” knockouts for connecting AC and DC conduit

runs to the inverter.

ME-SBC (Smart Battery Combiner) - monitors and keeps a second battery charged using

a portion of the current that is charging a main battery.

•

Introduction

1.1 Features and Beneﬁ ts

The MS Series inverter/charger is designed to allow easy access to wiring, circuit breakers, controls

and for viewing the LED (Light Emitting Diode) status indicator. Its die cast base plate with one

piece aluminum cover ensures maximum durability with minimum weight, as well as cooler more

efﬁ cient operation.

The front of the MS Series is equipped with the following features (see ﬁ gures 1-1 and 1-2):

(1) Power Switch - a momentary push-button switch that alternately turns the inverter

ON or OFF.

(2) Status LED Indicator - this green LED illuminates to provide information on the

inverter or charger operation.

(3) Stack Connection Port (red label) - a RJ11 port that allows series-stacking and

accepts the optional RSAs (Remote Switch Adapters) which allows remote on/off switch

operation.

Info: The series-stacking capability, which allows two units to provide 120/240 VAC

output is only available on the MS4024 Series Inverter/Charger.

(4) Magnum Net 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 the optional remote

control display to be connected.

(6) BTS Connection Port (yellow label) - a RJ11 port that accepts the remote Battery

Temperature Sensor (BTS) accessory.

(7) Mounting Flange - used to secure the inverter to a shelf or wall.

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

reliefs to allow and hold 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 360 degree connection point for the positive (+)

cable from the battery bank; provided with a 5/16-18 stainless Kep nut1 on a 5/16-18 bolt

to hold the battery cable to the DC terminal which uses.

(11) Negative DC Terminal - provides 360 degree connection point for the negative (-)

cable from the battery bank; provided with a 5/16-18 stainless Kep nut1 on a 5/16-18 bolt

to hold the battery cable to the DC terminal.

(12) DC Equipment Ground Terminal - this connection is used to tie the exposed

chassis of the inverter to the DC grounding system. This terminal accepts one CU/AL

conductor from #14 to # 2 AWG (21. to 33.6 mm2)

Note 1 - Hex nut with external tooth lock washer

•

Page 3

Introduction

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

Figure 1-2, Electrical Connection Points

AC Entry/Exit

Connections

Mounting

Flange

(7)

(8)

Power ON/OFF Switch(1)

Status LED

(Charging/Inverting)

(2)

Stacking/Accessories Port

(red label)

(3)

Remote Port

(blue label)

(5)

Battery Temp Sensor Port

(yellow label)

(6)

Magnum Net Port

(green label)

(4)

Intake Air Vents

(and on right side)

(9)

DC Equipment Ground

Terminal

(12)

Positive (+)

DC Cover

(Positive

DC Terminal

underneath)

Negative (–)

DC Cover

(Negative

DC Terminal

underneath)

(11)

(10)

Introduction

Figure 1-3, Left Side Features

The left side of the MS Series is equipped with the following features (see to ﬁ gure 1-3):

(13) Exhaust Air Vent - 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 Appendix A for more information

and to ﬁ nd the available models.

(15) AC Wiring Access Cover - provides access to the internal AC wiring terminal block.

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.

(16) Input circuit breaker - this circuit breaker protects the unit’s internal charger

wiring and pass-thru relay while in the standby mode. This circuit breaker will pop out

when it opens, press in to reset. This input circuit breaker is not branch-circuit rated,

therefore branch-circuit rated breakers must be installed in the inverter’s input wiring.

(17) Output circuit breakers - these circuit breakers are branch-rated and are only

provided on the MS2012-15B and MS2012-20B models. They allow the inverter AC loads

to be connected directly to the inverter’s output without requiring an inverter subpanel.

These circuit breakers pop out when they open, press in to reset. They can also be

manually pulled to disconnect the inverter’s loads.

Info: The output breakers (CB1 and CB2) are only available on models MS2012-15B

and MS2012-20B.

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

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

CAUTION: The inverter’s internal AC transfer relay is rated for 30 amps per leg (30

amps for AC HOT 1 and 30 amps for AC HOT 2) or 60 amps total. The pass-thru current

must be no greater than 30 amps per leg or damage to the relays may occur.

•

Exhaust

Air Vent

(and on

Right Side)

(13)

(14)

(15)

Model/Serial Number Label

(17)

Output Circuit Breakers* Input Circuit Breaker

(16)

(*Only available on certain models)

AC Wiring Access Cover

Page 5

Introduction

1.2 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 the 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 the Standby Mode. In the 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 inverter’s output to continue

powering the connected electrical appliances.

1.2.1 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 the 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

used 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 an stand-alone

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.

1.2.2 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 shore power or onboard generator is available.

1.3 Advantages of a Pure Sine Wave vs Modiﬁ ed Sine Wave Inverter

Today’s inverters come in two basic output waveforms: modiﬁ ed sine wave (which is actually a

modiﬁ ed square wave) and pure sine wave. Modiﬁ ed sine wave inverters approximate a pure sine

waveform 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 a pure sine wave inverter 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 of

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 from the original ME or RD Series installation. This standard

platform also helps reduce cost by using standard parts/accessories across many models. All

Magnum accessories such as the Remote Control (ME-RC), Automatic Generator Start - Networked

(ME-AGS-N), Battery Monitor Kit (ME-BMK), and network accessories can be used on all ME, RD,

and MS Series inverters.

•

Introduction

1.4 Appliances and Run Time

The MS Series inverter/charger can power a wide range of household appliances including small

motors, hair dryers, clocks and other electrical devices. As with any appliance using batteries for

power, there is a certain length of time that it can run - this is called “run time.” Actual run time

depends on several variables including the size and the type of appliance, the type of batteries

installed in your application, as well as the battery’s capacity and age. Other factors such as the

battery’s state of charge and temperature can also affect the length of time your appliances can

run.

Appliances such as TVs, VCRs, stereos, computers, coffee pots, incandescent lights and toasters

can all be successfully powered by your inverter. Larger electrical appliances, however, such as

stoves, water heaters, etc., can quickly drain your batteries and are not recommended for this

application.

All electrical appliances are rated by the amount of power they consume. The rating is printed

on the product’s nameplate label, usually located on its chassis near the AC power cord. Even

though it is difﬁ cult to calculate exactly how long an inverter will run a particular appliance, the

best advice is trial and error. Your MS Series inverter has a built-in safeguard that automatically

protects your batteries from over discharge.

Info: For optimum performance, a minimum battery bank of 200 AH is recommended

for moderate loads (<1000W) and greater than 400 AH for heavy loads (≥1000W).

Table 1-1, Typical Appliance Power Consumption

Device Load Device Load

Blender 400W Coffee Maker 1200W

Computer 300W Color TV 150W

Drill 500W Hair Dryer 1000W

Hot Plate 1800W Iron 1000W

Light (Flo) 10W Light (Inc) 100W

Microwave 1000W Refrigerator 500W

Page 7

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 page ii and the

“Important Battery Safety Instructions” on page iii 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 over-ride or restrict any national

or local electrical codes. This drawing should not be the determining factor as to whether the

installation is compliant, that is the responsibility of the electrician and the on-site inspector.

2.1 Pre-Installation

Before installing the inverter, read the entire installation section to determine how you are going

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 Inverter/Charger

Red and black DC terminal covers with Phillips screws

AC access cover with two Phillips screws

Two 5/16” Kep 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 Energy dealer or

Magnum Energy. If at all possible, keep your shipping box. It will 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 Diagram for Permanent Installations

Battery Bank

120/240VAC

power to

inverter

OFF

240

VAC 120

VAC

120

VAC

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

SELECT

TECH

AG S M ETER SET UPSHO REINVERTER

CHARG ER

INV

CHG

FA U LT

PWR

ON/ OFF

ME-RC50

Remote Control

(Magnum Option)

ME-BMK

Battery Monitor

with shunt

(Magnum

Option)

Shunt

Transfer

Switch

Generator Power

120/240VAC Output

Utility Power

120/240VAC Output

Flu x

Capa cito r Genera tor

OFF

BTS

OFF

30 A

30A

ME-SBC

Smart Battery

Combiner

(Magnum

Option)

ME-AGS-N

Auto Gen Start

Controller

(Magnum

Option)

Page 9

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 buss-bars, a power-coated aluminum base and the

internal circuit boards are conformal coated all done 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 to 6 as

shown in ﬁ gure 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 avoid over temperature

fault conditions; do not cover or block the inverters 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 in ﬁ gure 1-2) and blow out air through the exhaust

vents (see item 13 in ﬁ gure 1-3). Allow at the minimum, an airspace clearance of 6” at the intake

and exhaust vents and 3” 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 out of 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, 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 away from the inverter. Do not

install this inverter in any area that contains extremely ﬂ ammable liquids like gasoline or propane,

or in locations that require ignition-protected devices.

WARNING: The MS Series inverter/charger is not ignition protected and may not be

located in an engine compartment with gasoline-fueled engines under any circumstance.

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 loose 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 if 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. Also allow enough room to access the AC and DC

wiring terminals and connections, as they will need to be checked and tighten periodically. See

ﬁ gure 2-3 for the MS Series inverter/charger 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.

Installation

2.2 Mounting the Inverter

The inverter base can reach a temperature up to 90°C (194°F), and it is recommended that it should

be mounted on a noncombustible surface*. This surface and the mounting hardware must also be

capable of supporting at least twice the weight of the inverter. To meet regulatory requirements,

the MS Series must be mounted in one of the following positions; as shown in ﬁ gure 2-2:

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

or on a vertical surface (wall) with the DC terminals to the right.

CAUTION: If the inverter is mounted in a way that the DC terminal ventilation openings

are oriented on the bottom, the ME-CB enclosure must be used. This enclosure prevents

burning material from falling out the bottom and also allows sufﬁ cient ventilation to

prevent the inverter from overheating under normal operating conditions.

After determining the mounting position, refer to the physical dimensions as shown in ﬁ gure 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 materials that are

largely comprised of inorganic materials such as stone, steel, iron, brick, tile concrete, slate and glass. Common building

materials such as gypsum board as well as any paint, wall coverings, and certainly wood will not pass.

•

Figure 2-2, Approved Mounting Positions

Shelf or Table Mounted

(unit below)

Shelf or Table Mounted

(unit above)

Wall Mounted

(DC terminal to the right

Wall Mounted (DC terminals on bottom*)

*When the inverter is mounted in this position, the ME-CB

conduit box must be installed.

Page 11

Installation

Figure 2-3, MS Series Dimensions

12 5/8"

12"

4 7/8"

Keyhole

slots (x4)

and

mounting

holes (x4)

up to

9/32"

screw/

bolt

13 3/4"

6 5/8"

Installation

2.3 Wiring the Inverter - General Requirements

This section also describes the requirements and recommendations for wiring the MS Series

inverter/charger. Before wiring the MS Series inverter/charger, read all instructions.

All 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 requirement for wire sizes, overcurrent protection and

installation methods and requirements.

Inverter/charger systems involve power from multiple sources (inverter, generator, utility, batteries,

solar arrays, etc.) which make the wiring more hazardous and challenging.

The input and output AC and DC circuits are isolated from the inverter chassis. The inverter system

grounding is the responsibility of the installer in accordance with the NEC.

WARNING: Ensure all sources of DC power (i.e., batteries, solar, wind or hydro) and

AC power (utility power or AC generator) are de-energized (i.e., breakers opened,

fuses removed) before proceeding - to prevent accidental shock.

2.3.1 Protecting Wire - Conduit Box

The AC and DC wires into and out of the inverter must be protected as required by code. This

can be done by using jacketed wires or by feeding the wires through conduit. Magnum provides

a DC conduit box (part number ME-CB) that can be purchased to allow conduit to be connected

to the inverter for both the AC and DC conductors.

Info: If using the ME-CB conduit box and the AC wires are individual conductors (i.e.,

not jacketed), the strain reliefs can be removed and replaced with 3/4” grommets.

2.3.2 Wiring Requirements

All conductors that are at risk to physical damage must be protected by conduit, 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 conduit or 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 90° 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 90°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).

•

Page 13

Installation

2.4 DC Wiring

This section describes the inverter’s required DC wire sizes and the recommended disconnect/

overcurrent protection and how to make the DC connections to the inverter and the

battery bank.

Refer to ﬁ gure 2-4 when connecting the DC wires.

WARNING: Even though DC voltage is “low voltage”, signiﬁ cant hazards may be

present, particularly from short circuits of the battery system.

CAUTION: The inverter is NOT reverse polarity protected which means that if the

negative and positive battery voltage is connected backwards to the inverter, the

inverter will likely be damaged. You should verify the correct voltage polarity using a

voltmeter BEFORE connecting the DC wires.

CAUTION: Before wiring the DC cables, review the safety information at the beginning

of this manual and the following to ensure a safe and long-lived system.

Info: DO NOT connect the battery cables to the inverter until all wiring is complete and

the correct DC voltage and polarity has been veriﬁ ed.

When the inverter is installed in a Photovoltaic System, the NEC requires that the DC circuit

conductors and overcurrent devices to the inverter be sized to carry not less than 125% of

the inverter’s maximum current rating.

The DC positive and negative cables connected to the inverter from the battery bank should

be tied together with wire ties or electrical tape approximately every 6 inches. This helps

improves the surge capability and reduces the effects of inductance, which improves the

inverter waveform and reduces the wear of the inverter’s ﬁ lter capacitors.

Crimped and sealed copper ring terminal lugs with a 5/16” hole should be used to connect the

DC wires to the inverter’s DC terminals.

The battery bank voltage MUST match the DC voltage required by the inverter (i.e., 24-volt

battery bank for a 24-volt inverter) or the inverter may be damaged.

To ensure the maximum performance from the inverter, all connections from the battery bank

to the inverter should be minimized, the exception is the DC overcurrent disconnect in the

positive line and a shunt in the negative line. Any other additional connection will contribute

to additional voltage drops and these extra connections points may loosen during use.

All wiring to the battery terminals should be checked periodically (once a month) for proper

tightness. The torque requirement for the DC terminals is between 10 to 12 ft lbf (13.6

to 16.3 N-m). If you don’t have a torque wrench, ensure all DC terminals are tight and

cannot move.

Be aware that overtightening or misthreading the nuts on the DC terminals can cause the

bolts to strip and snap/break off.

Make sure cables have a smooth bend radius and do not become kinked. Place long cable

runs in conduit and follow existing wire runs where possible.

A brief spark or arc may occur when connecting the battery cables to the inverter DC terminals;

this is normal and due to the inverter’s internal capacitors being charged.

Color code the DC cables/wires with colored tape or heat shrink tubing: RED for positive (+);

WHITE for negative (-); and GREEN for DC ground to avoid polarity problems.

•

Installation

DC Overcurrent

Protection

(Circuit Breaker

or Fuse/switch)

DC Ground

Bus-bar

Shunt

Battery Bank

DC Circuit

Breaker Box

DC Negative

To DC Ground

Jumper

DC Grounding point

[Vehicle chassis, Electrode

Conductor (i.e. ground rod)]

MS Series

Inverter/Charger

ME-CB

Conduit Box

Battery Temp Sensor Cable

Inverter’s DC Negative Cable

Inverter’s DC Positive Cable

Inverter’s DC Equipment

Ground Wire

wall

mounted

view

front view

Figure 2-4, DC and Battery Temperature Sensor Wiring

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Magnum Energy MCP5538 Manuale del proprietario

Marca: Magnum Energy

Modello: MCP5538

Categoria: Adattatori di alimentazione

Tipo: Manuale del proprietario

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