Samlex America SSW-1000-12A Le manuel du propriétaire

Marque: Samlex America

Modèle: SSW-1000-12A

Catégorie: Adaptateurs secteur

Taper: Le manuel du propriétaire

Ce manuel convient également à

Please read this

manual BEFORE

installing your

inverter

Owner's

Manual

Pure Sine Wave

Power Inverter

SSW-350-12A

SSW-600-12A

SSW-1000-12A

SSW-1500-12A

SSW-2000-12A

OWNER'S MANUAL | Index

SECTION 1

Important Safety Instructions ............................................... 3

SECTION 2

Design Features and Principle of Operation ......................... 5

SECTION 3

Layout and Dimensions ........................................................ 7

SECTION 4

Installation ........................................................................ 10

SECTION 5

Operation ........................................................................ 15

SECTION 6

Protections ......................................................................... 18

SECTION 7

Troubleshooting Guide ....................................................... 20

SECTION 8

Fuse Replacement .............................................................. 22

SECTION 9

Specications ..................................................................... 23

SECTION 10

Warranty ......................................................................... 24

Disclaimer of Liability

UNLESS SPECIFICALLY AGREED TO IN WRITING, SAMLEX AMERICA, INC.:

1. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED

IN ITS MANUALS OR OTHER DOCUMENTATION.

2. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT,

CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY SUCH

INFORMATION WILL BE ENTIRELY AT THE USERS RISK.

Samlex America reserves the right to revise this document and to periodically make changes to the content hereof without

obligation or organization of such revisions or changes.

prohibited without express written permission by Samlex America, Inc.

SECTION 1 | Important Safety Instructions

1.1 THIS MANUAL CONTAINS IMPORTANT INFORMATION REGARDING SAFETY,

OPERATION, MAINTENANCE AND STORAGE OF THIS PRODUCT. BEFORE USE, READ

AND UNDERST

ND ALL CAUTIONS, WARNINGS, INSTRUCTIONS AND PRODUCT

LABELS, PLUS YOUR VEHICLE’S BA

TTE

RY MANUFACTURER GUIDELINES. FAILURE TO

DO SO COULD RESULT IN INJURY AND/OR PROPERTY DAMAGE.

1.2 To ensure reliable service, your power inverter must be installed and used properly. Please read

the installation and operating instructions thoroughly prior to installation and use. Pay particular

attention to the WARNING and CAUTION statements in this manual. The CAUTION statements advise

against certain conditions and practices that may result in damage to your inverter. The WARNING

statements identify conditions or practices that may result in personal injury. Read All Instructions

Before Using This power inverter!

1.3 WARNINGS!

REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, EXPLOSION OR INJURY

1. The AC output of the unit should never be connected directly to an Electrical Breaker Panel

/ Load Center which is also fed from the utility power / generator. Such a direct connection

may result in parallel operation of the different power sources and AC power from the utility

/ generator will be fed back into the unit which will instantly damage the output section

of the unit and may also pose a re and safety hazard. If an Electrical Breaker Panel / Load

Center is fed from this unit and this panel is also required to be fed from additional alternate

AC sources, the AC power from all the AC sources (like the utility / generator / this inverter)

should rst be fed to an Automatic / Manual Selector Switch and the output of the Selector

Switch should be connected to the Electrical Breaker Panel / Load Center. Samlex America,

Inc. Automatic Transfer Switch Model No. STS-30 is recommended for this application.

orking with the unit may produce arcs or sparks. Thus, the unit should not be used in

areas where there are ammable materials or gases requiring ignition protected equipment.

These areas may include spaces containing gasoline-powered machinery, fuel tanks, battery

compartments and engine compartments.

3. In SSW-350-12A and SSW-600-12A, the Neutral terminal of the two NEMA5-12R outlets is

electrically isolated from its Ground terminal and also from the metal chassis of the inverter.

Hence, the Neutral terminal will be at elevated voltage of around 66 VAC with respect to the

Ground terminal and with respect to the metal chassis of the inverter. DO NOT TOUCH THE

NEUTRAL TERMINAL!

4. In SSW-1000-12A, SSW-1500-12A and SSW-2000-12A, the Neutral terminals of the Dual

NEMA5-20R GFCI AC outlets are bonded to their Ground terminals and also to the metal

chassis of the inverter. Hence, the Neutral terminals of the outlets will be at 0V with respect

to their Ground terminals and with respect to the metal chassis of the inverter.

5. Before working on an AC load connected to the inverter, switch OFF the inverter or, remove

the power cord of the AC load from the inverter or from the multiple outlet power strip

connected to the inverter. Switching OFF the AC load or the power strip disconnects only

the "Line / Hot" line. However, the Neutral line remains connected. As indicated above, in

SSW-350-12A and SSW-600-12A, the Neutral will be at 60V with respect to Ground/chassis.

Hence, touching any section of the load connected to the Neutral will produce electrical shock!

6. Do not make any electrical connections or disconnections in areas designated as IGNITION

PROTECTED. This includes 12 VDC cigarette plug connections, and terminal connections.

SECTION 1 | Important Safety Instructions

7. This is not a toy - keep away from children.

Do not insert any object into the ventilation slots or the fan opening(s).

1.4

AUTION!

1. The metal chassis and the input Negative terminal of the inverter are internally connected to the

Ground terminals of the AC outlets. Hence, the input Negative terminal should be used as the

grounding terminal. Do not use with Positive Grounded Electrical Systems (the majority of modern

automobiles, RVs, trucks and boats are Negative Grounded Electrical Systems).

2. Use specied fuse in the Positive supply connection within 7" of the Positive battery post. See Table

4.1 and Fig 4.2.

3. Observe correct polarity when connecting the DC input terminals of the inverter to the battery.

Connect Positive of the battery to the Positive input connector of the inverter and the Negative of

the battery to the Negative input terminal of the inverter. Reverse polarity connection will result in

a blown fuse and may cause permanent damage to the inverter. Damage due to reverse polarity is

not covered under warranty.

4. This inverter will not operate high wattage appliances that exceed the output power limit or the

surge power limit.

5. Grounding the Neutral terminal of the AC outlet in SSW-350-12A and SSW-600-12A will shut down

the inverter. Similarly, grounding the Neutral terminal of the GFCI outlet in SSW-1000, 1500 & 2000

will trip the GFCI. Hence, do not connect the AC output to a Load Center / Distribution Panel where

the Neutral is bonded to the Earth Ground.

6. Installation Environment

• The inverter should be installed indoor only in a well ventilated, cool, dry environment.

• Do not expose to moisture, rain, snow or liquids of any type.

• To reduce the risk of overheating and re, do not obstruct the suction and discharge opening of

the cooling fan(s).

• To ensure proper ventilation, do not install in a low clearance compartment.

7. Precautions When Working With Batteries

• Batteries contain very corrosive diluted Sulfuric Acid as electrolyte. Precautions should be taken

to prevent contact with skin, eyes or clothing.

• Batteries generate Hydrogen and Oxygen during charging resulting in evolution of explosive

gas mixture. Care should be taken to ventilate the battery area and follow the battery

manufacturer's recommendations.

• Never smoke or allow a spark or ame near the batteries.

• Use caution to reduce the risk of dropping a metal tool on the battery. It could spark or short

circuit the battery or other electrical parts and could cause an explosion.

• Remove metal items like rings, bracelets and watches when working with batteries. The batteries

can produce a short circuit current high enough to weld a ring or the like to metal and, thus,

cause severe burn.

• If you need to remove a battery, always remove the ground (Negative) terminal from the battery

rst. Make sure that all the accessories are off so that you do not cause a spark.

8. This inverter is not tested for use with medical devices.

1.5 IMPORTANT WIRING INFORMATION

Substantial power loss and reduced battery operating time results from inverters installed with wires

that are not sized correctly based on the length and the current required to be carried. Current owing

through a wire produces voltage drop along its length due to the resistance of the wire and due to

SECTION 1 | Important Safety Instructions

the value of the current carried through it. The resistance of the wire is inversely proportional to the

cross-sectional area of the wire (designated in mm

or AWG) and directly proportional to its length i.e.

thinner and longer wire has higher resistance and hence, produces higher voltage drop. Similarly, thicker

and shorter wire has lower resistance and hence, produces lower voltage drop. Hence, symptoms of

low DC input voltage / battery power can result from wires that are either excessively long or have an

insufcient cross-sectional area (designated in mm

or AWG). The wires should be sized based on (i) the

maximum current they are required to carry based on the temperature rating of their insulation and

(ii) the distance between the battery and the inverter to limit the voltage drop to 2% to 5%. Please

refer to T

able 4.1 for wir

e sizing.

Wires are rated based on its insulation, temperature and operating environment. Please ensure that the

wire insulation is of the appropriate type for the operating environment.

The installer/operator should be especially aware of the requirements to maintain secure, tight, water-

resistant electrical connections and to provide for strain relief for DC wires and appliance wiring.

SECTION 2 | Design Features And Principle Of Operation

2.1 GENERAL

The inverter converts low voltage DC (Direct Current) from a battery or other DC power source to the

standard nominal 115 volt AC (Alternating Current) household power.

2.2 DESIGN FEATURES

• High efciency

• Compact size

• Low Idle current

• Soft Start Technology

• LCD Remote Control Model SSW-R1-12B (SSW-1000-12A, SSW-1500-12A and SSW-2000-12A only)

• USB Charging Port, 5V, 500mA (SSW-350-12A and SSW-600-12A only)

2.3 POWER RATINGS

The continuous power ratings of the models are as follows:

• SSW-350-12A - 350 Watts

• SSW-600-12A - 600 Watts

• SSW-1000-12A - 1000 Watts

• SSW-1500-12A - 1500 Watts

• SSW-2000-12A - 2000 Watts

2.4 PRINCIPLE OF OPERATION

The inverter converts power in two stages. The rst stage is a DC to DC conversion process that raises the

low voltage DC at the inverter input to high voltage DC of approximately 150 VDC. The second stage is

the actual inverter stage that converts the high voltage DC into nominal 115 VAC, 60 Hz AC (RMS). The

DC-to-DC converter stage uses modern high frequency power conversion techniques that have replaced

the bulky transformers found in less technologically-advanced models. The inverter stage uses advanced

power MOSFET transistors in a high frequency, full bridge conguration.

SECTION 2 | Design Features and Principle of Operation

2.5 THE OUTPUT WAVEFORM

The AC output waveform of the SSW-series inverter is known as “Pure Sine Wave” or “True Sine Wave”.

It is a waveform that has characteristics same as the sine wave shape of utility power (See Fig 2.1).

Modied Sine Wave is also shown for comparison.

TIME

180

160

140

120

100

120

140

160

180

Modied Sine

Wave sits at

ZERO for some

time and then

rises or falls

Pure Sine Wave

crosses zero V

instantaneously

Modied Sine Wave

• V

RMS

= 115V

• V

peak

= 140 to 160V

Sine Wave

• V

RMS

= 115V

• V

peak

= 162.61V

16.66 ms

VOLTS − VOLTS +

peak

= 162.61V

peak

= 140 to 160V

RMS

= 115 VAC

Fig 2.1 Pure and Modied Sine Waveforms for 115V, 60Hz

SECTION 3 | Layout and Dimensions

3.1 LAYOUT

3.1.1 SSW-350-12A, SSW-600-12A

1 9(b)1 2

6 5 3 4

89(b) 9 9(b)9(a)

10(a)

10(b)

Fig 3.1.1 Front of the unit Fig 3.1.2 Back of the unit

Legend for Fig 3.1.1 and 3.1.2

Outlets: 2 x NEMA5-15R

2. ON/OFF Switch

B Charging Port= + 5V, 500mA

4. Yellow LED: Will be ON during (i) Over temperature shutdown (ii) Alarm due to Low DC input voltage

(iii) Shut down due to low DC input voltage and (iv) Shut down due to high DC input voltage

5. Green LED: will be ON when DC Section is operating normally

6. Red LED: Will be ON during (i) Shut down due to overload and (ii)Shutdown due to Ground fault

in the load

7. Positive DC Input Connector: Thumb Screw - Size M4

8. Negative DC Input Connector: Thumb Screw - Size M4

9. Cooling fan [behind the fan grille 9(a)]

9(a). Ventilation Grille for fan (Air from fan (9) is discharged outwards)

9(b). Ventilation slots for air inlet for the cooling fan (9)

10(a).

Cable set for temporary battery connection: 3 ft, 105°C rated Positive and Negative wires with at

rectangular terminal lugs(10b) for inverter side and battery clamps for battery side. Wire sizes: (i)

WG #12 for SSW-350-12A and (ii) AWG #8 for SSW-600-12A

10(b). Flat, rectangular terminal lugs on the cable set 10(a) for connection to DC input terminals on the

inverter

11. Earth Ground symbol. The metal chassis of the inverter is internally bonded to the Negative DC

input terminal (8) on the inverter or the battery Negative post on the battery Earth Ground.

SECTION 3 | Layout and Dimensions

3.1.2 SSW-1000-12A, SSW-1500-12A and SSW-2000-12A

1(b) 2

3 9(b)

6 5

1(a) 9(a)

9(a) 9

Fig 3.2.1 Front of the unit Fig 3.2.2 Back of the unit

Legend for Fig 3.2.1 and 3.2.2

1(a). AC Outlets: NEMA5-20R Duplex GFCI receptacles

1(b).

Green indicator light on the G

FCI receptacles. Will be ON when normal. Will be OFF when tripped

2. ON/OFF Switch

8P8C Modular Jack (Also called

RJ-45 Jack) for connecting Remote Control Model SSW-R1-12B

ellow LED: Will be ON during (i) Over temperature shutdown (ii) Alarm due to Low DC input

voltage (iii) Shut down due to low DC input voltage and (iv) Shut down due to high DC input

voltage

5. Green LED: Will be ON when DC Section is operating normally

6. Red LED: Will be ON during (i) Shut down due to overload and (ii) Shut down due to Ground fault

in the load.

Positive DC Input Connector: Stud and Nut

– Size M9

8. Negative DC Input Connector: Stud and Nut – Size M9

Cooling fan [behind the fan grille 9(a)]

9(a).

Ventilation grille for fan (Air from fans (9) is discharged outwards)

9(b).

entilation slots for air inlet for the cooling fans (9)

10.

Plastic covers with Thumb Nuts for protecting DC input terminals

– Red for Positive and Black for

Negative

11. Earth Ground symbol. The metal chassis of the inverter is internally bonded to the Negative DC

input terminal (8). Connect the Negative DC input terminal (8) on the inverter or the battery

Negative post on the battery to Earth Ground

SECTION 3 | Layout and Dimensions

3.2 DIMENSIONS

SSW-350-12A

HEIGHT: 59

OVERALL (W x D x H):

155 x 225 x 59

•

NOT TO SCALE

•

DIMENSIONS ARE IN MM

Fig. 3.3 Dimensions: SSW-350-12A

SSW-600-12A

HEIGHT: 59

OVERALL (W x D x H):

155 x 255 x 59

•

NOT TO SCALE

•

DIMENSIONS ARE IN MM

Fig. 4 Dimensions: SSW-600-12A

Fig. 3.5 Dimensions: SSW-1000-12A

SSW-1000-12A

HEIGHT: 89

OVERALL (W x D x H):

222 x 282 x 89

•

NOT TO SCALE

•

DIMENSIONS ARE IN MM

SSW-1500-12A & SSW-2000-12A

HEIGHT: 89

OVERALL (W x D x H):

222 x 333 x 89

•

NOT TO SCALE

•

DIMENSIONS ARE IN MM

Fig. 3.6 Dimensions: SSW-1500-12A

and SSW-2000-12A

225

155

6.6

150

6.5

255

155

150

6.5

6.6

222

215

282

130

6.5

6.6

222

215

333

180

6.5

6.6

129

SECTION 4 | Installation

WARNING!

1. Before commencing installation, please read the safety instructions explained in Section 1

titled “Important Safety Instructions”.

It is recommended that the installation should be undertaken by a qualied, licensed /

certied electrician.

3. Various recommendations made in this manual on installation will be superseded by

the National / Local Electrical Codes related to the location of the unit and the specic

application.

4.1 LOCATION OF INSTALLATION

Please ensure that the following requirements are met:

Working Environment: Indoor use.

Cool: Heat is the worst enemy of electronic equipment. Hence, please ensure that the unit is installed in a

cool area that is also protected against heating effects of direct exposure to the sun or to the heat gener-

ated by other adjacent heat generating devices.

Well ventilated: The unit is cooled by convection and by forced air-cooling by 2-speed, load controlled fan(s)

(9 in Figs 3.1.2 & 3.2.2). SSW-350 and 600 1 fan and SSW-1000, 1500 and 2000 have 2 fans. The fan(s) will run

as soon as the unit is switched ON – at slow speed from no load/to loads up to 10% of the power rating of

the inverter and at full speed thereafter. The fan(s) draws cool air from air intake openings in the front (9(b)

in Figs 3.1.1 and 3.2.1) and discharges hot air through the exhaust openings next to the fan (9(a) in Figs 3.1.2

and 3.2.2). To avoid shut down of the inverter due to over temperature, do not cover or block these suction /

exhaust openings or install the unit in an area with limited airﬂow. Keep a minimum clearance of 10” around

the unit to provide adequate ventilation. If installed in an enclosure, openings must be provided in the enclo-

sure, directly opposite to the air-suction and air-exhaust openings of the inverter.

Dry: There should be no risk of condensation, water or any other liquid that can enter or fall on the unit.

lean: The area should be free of dust and fumes. Ensure that there are no insects or rodents. They may

enter the unit and block the ventilation openings or short circuit electrical circuits inside the unit.

Protection against re hazard: The unit is not ignition protected and should not be located under any

circumstance in an area that contains highly ammable liquids like gasoline or propane as in an engine

compartment with gasoline-fueled engines. Do not keep any ﬂammable / combustible material (i.e., paper,

cloth, plastic, etc.) near the unit that may be ignited by heat, sparks or ﬂames.

loseness to the battery bank: Locate the unit as close to the battery bank as possible to prevent excessive

voltage drop in the battery cables and consequent power loss and reduced efciency. However, the unit

should not be installed in the same compartment as the batteries (ooded or wet cell) or mounted where

it will be exposed to corrosive acid fumes and ammable Oxygen and Hydrogen gases produced when the

batteries are charged. The corrosive fumes will corrode and damage the unit and if the gases are not venti-

lated but allowed to collect, they could ignite and cause an explosion.

Accessibility: Do not block access to the front panel. Also, allow enough room to access the AC receptacles

and DC wiring terminals and connections, as they will need to be checked and tightened periodically.

Preventing Radio Frequency Interference (RFI): The unit uses high power switching circuits that generate

I. This RFI is limited to the required standards. Locate any electronic equipment susceptible to radio fre-

quency and electromagnetic interference as far away from the inverter as possible.

SECTION 4 | Installation

4.2 MOUNTING

Please refer to Figs 3.3 to 3.6 for dimensions and mounting details.

The inverter has four mounting slots that allow the unit to be fastened against a bulkhead, oor, wall or

other at surface. Ideally, the mounting surface should be cool to the touch.

It is more electrically efcient to use longer AC wiring than DC wiring, so install the inverter as close as

possible to the 12 VDC power source.

The inverter can be operated in any position, however, if it is to be mounted on a wall, mount it

horizontally (Fig 4.1a) so that indicators, switches, outlets and terminal blocks located on the front panel

are visible and accessible. Do not mount on wall in positions shown in Figs. 4(b) & 4(c) because small

metal objects may fall into the unit through the ventilation slots and cause electrical short circuit.

(a) (c)(b)

Fig. 3 Mounting arrangement on wall

CAUTION!

The power inverter must be connected only to batteries with a nominal output voltage of 12V.

The unit will not operate from a 6 Volt battery, and will sustain permanent damage if connected

to a 24V battery.

AUTION!

Loose connectors may cause overheated wires and melted insulation. Check to make sure you

have not reversed the polarity. Reverse polarity connection will result in a blown fuse and may

cause permanent damage to the inverter. Damage due to reverse polarity is not covered by

warranty.

4.3 BATTERY / DC POWER SOURCE REQUIREMENTS

The battery / DC power source must provide >11.0 ± 0.3V and < 15.3 ± 0.3V DC and must be able to

supply the necessary current to operate the load. The power source may be a battery or a well-regulated

DC power supply. To obtain a rough estimate of the current (in Amperes) the power source must deliver,

simply divide the power consumption of the load (in Watts AC) by 10.

Example: If a load is rated at 100 Watts AC, the DC power source must be able to deliver: 100 / 10 = 10A.

The inverter will provide you nominal 115 VAC when powered by a 12 VDC source such as is found in a vehicle

or multiple battery congurations as shown in Fig 4.2. This manual does not describe all of the possible types of

battery congurations, battery charging congurations and battery isolation congurations.

SECTION 4 | Installation

For normal operation of the inverter, the DC power source must provide >11.0 ± 0.3V and < 15.3 ± 0.3V

and the required current. This DC power source must be a well-regulated DC power supply or alternator

and deep cycle battery system typically found in vehicles and marine crafts. The DC power source may

also be two or more 12 volt batteries connected in parallel. On larger applications, the power source may

be several batteries connected in parallel as shown in Fig 4.2.

BATTERY CHARGING SOURCE:

GRID / GENERATOR /

ALTERNATOR / SOLAR

12V

BATTERY

12V

BATTERY

SSW INVERTER

SIDE

12V

BATTERY

FUSE (to be installed

within 7” from

the Battery

+ post

(see Table 4.1)

Fig 4.2 Connecting to a 12V Battery Source

4.4 DC INPUT SUPPLY FROM 12V BATTERY OR FROM OTHER 12V DC POWER SOURCE

WARNING!

It is mandatory to install appropriate size of external DC Fuse as close to the Battery Positive

Post as possible, preferably within 7 inches to protect against re hazard due to short circuit

along the battery cable run (See Fig 4.2). A battery is an unlimited current source that can supply

thousands of Amperes of current under short circuit conditions. If a short circuit occurs in the

cable run at a point between the battery and the inverter, the section of the cable from the

battery to the point of short circuit will be fed with thousands of Amperes of current, the section

of the cable will overheat / melt and is likely to cause re. It is, therefore, recommended that the

fuse / fuse assembly should have Ampere Interrupting Capacity (AIC) of at least 10,000 A. Class-T

Fuse / Fuse Holder made by various manufacturers or Marine Rated Battery Fuse (MRBF) made by

Eaton Bussmann and distributed by Samlex America / Blue Sea Systems may be considered.

Please note that internal DC side fuses have been provided to protect against over current in the

internal DC input circuitry. These internal fuses will NOT blow due to external short circuit in

the battery cable run.

SECTION 4 | Installation

Table 4.1 provides details of Battery Cables and DC Fuses for connecting the battery to the DC input

terminals of the inverter (7, 8 in Figs 3.1.2 and 3.2.2)

Table 4.1 Sizing of Cables and Fuses for DC Input

Model No.

(1)

Rated

DC Input

urrent

(2)

NEC

Ampacity

(3)

Ampere

Rating of

the Fuse

(Note 1)

(4)

Part. No. of MRBF Fuse /

Fuse Assembly

Cable Size for

up to 4 ft from

Battery to Inverter

(Note 2)

(7)

Cable Size for

up to 6 ft from

Battery to Inverter

(Note 2)

(8)

By Blue Sea

Systems

(5)

By Samlex

America

(6)

SSW-350-12A 35A 43.75A 50A

use Block: 5191

- AWG#8 AWG#6

use: 5177

SSW-600-12A 60A 75A 80A

use Block: 5191

- AWG#6 AWG#4

use: 5181

SSW-1000-12A 100A 125A 150A

use Block: 5191

- AWG#4 AWG#2

use: 5185

SSW-1500-12A 150A 187.5A 200A - DC-F

A-200 A

WG#2 AWG#1/0

SSW-2000-12A 200A 250A 300A - DC-F

A-300

WG#2/0 or

2X AWG#2

AWG#2/0 or

2XAWG#2

Notes for Table 4.1

1. Ampere ratings of the fuse (Column 4) is based on the NEC Ampacity (Column 3) = 1.25 times the rated

DC input current of the inverter (Column 2).

2. Cable sizing (Columns 7 and 8) is based on: (i) the Ampere rating of the fuse (Column 4) or 2% voltage

drop, whichever is thicker (ii) Ambient temperature of 30°C (iii) Wire insulation rated at 105°C (iv)

Cables routed in free air.

4.5 DC INPUT TERMINALS

The following DC input terminals have been provided:

a) SSW-350-12A and SSW-600-12A: Thumb screw – size M4 (7,8 in Fig 3.1.2). Accepts customized Flat

Rectangular Terminal Lugs (10b, Fig 3.1.2)

b) SSW-1000-12A, SSW-1500-12A and SSW-2000-12A: Stud and nut – size M9 (7, 8 in Fig 3.2.2). Accepts

Ring / Tongue Terminal Lugs for M9 or 3/8” stud size

4.6 CABLE TERMINATION FOR DC INPUT CONNECTORS

SSW-350-12A and SSW-600-12A

SSW-350-12A: The inverter side of the DC input cable has to be terminated with a customized, Flat

Rectangular Terminal Lug (10b, Fig 3.1.2). The terminal lug ts in the rectangular slot in the DC input

terminal (7, 8 in Fig 3.1.2) and is tightened using M4 Thumb Screw. For permanent installation, use the

terminal lugs (10b in Fig 3.1.2) that come with the Cable Set provided with the unit (Please see Section

4.7). For this, cut the cable around 2” from the lug and splice it to the appropriate cable to be used for

permanent installation (Cable sizing as per Table 4.1). Use appropriate Butt Splice Connector.

SSW-600-12A: The inverter side of the DC input cable has to be terminated with a customized, Flat

Rectangular Terminal Lug (10b, Fig 3.1.2). The terminal lug ts in the rectangular slot in the DC input

terminal (7, 8 in Fig 3.1.2) and is tightened using M4 Thumb Screw. For permanent installation, use the

terminal lugs (10b in Fig 3.1.2) that come with the Cable Set provided with the unit (Please see Section

SECTION 4 | Installation

4.7). For this, cut the cable around 2” from the lug and splice it to the appropriate cable to be used for

permanent installation (Cable sizing as per Table 4.1). Use appropriate Butt Splice Connector.

SSW-1000-12A, SSW-1500-12A and SSW-2000-12A

The inverter side of the DC input cable has to be terminated with a Ring / Tongue type of terminal lug

to t M9 or 3/8” size of stud on the DC Input terminal (7, 8 in Fig 3.2.2). The terminal lug may be crimped

/ soldered.

4.7 CABLE SETS WITH BATTERY CLAMPS FOR TEMPORARY INSTALLATION OF SSW-350-12A

AND SSW-600-12A

For convenience of portable use of the lower powered Models SSW-350-12A and SSW-600-12A during

temporary, stationary applications, the following 2 sets of 3 ft, 105°C rated battery cables have been

provided (10a in Fig 3.1.2):

a) For SSW-350-12A: AWG# 12 cable with Flat Rectangular Terminal Lug (10b in Fig 3.1.2) for inverter

side and Battery Clamps for battery side

b) For SSW-600-12A: AWG# 8 cable with Flat Rectangular Terminal Lug (10b in Fig 3.1.2) for inverter

side and Battery Clamps for battery side.

WARNING!

The above cable sets should be used ONLY for temporary / stationary applications for low power

AC loads like portable audio / cell phone charger / laptop etc as the battery clamps may not

provide a very rm battery connection especially in non-stationary environment. For safe and

permanent application, please use wire sizing and fuses recommended in Table 4.1.

4.8 MAKING DC SIDE CONNECTIONS

Ensure that appropriate cable size is used as per columns 7 and 8 of Table 4.1. Cable terminal lugs

should be properly crimped / soldered at the bare ends of the cables for secure connections (Please

refer to Section 4.6 for details).

2. Ensure that the bare Positive and Negative terminals of SSW-1000/1500/2000 (Fig 3.2.2) are

protected using plastic covers with Thumb Nuts (10 in Fig 3.2).

3. Ensure that the inverter’s power switch is turned OFF and that no ammable fumes are present.

4. Identify the Positive (+) and Negative (-) terminals of the 12V battery or the other 12V DC source.

5. Install a fuse holder close to the Positive (+) terminal of the battery (or other DC source), preferably

within 7” of the terminal (see Fig 4.2). When Marine Rated Battery Fuse (MRBF) and associated

Fuse Block recommended at column 5 of Table 4.1 are used, the fuse will be installed on top of the

battery Positive post/stud.

6. Insert a suitable fuse in the fuse holder. For fuse sizes, please refer to column 4 of Table 4.1.

7. Check to be sure that all connections are secure and tight.

8. Test the inverter by turning it on and plugging in a 100 Watt lamp or equipment.

9. If the inverter does not operate properly, then refer to Section 7, Troubleshooting of this manual.

CAUTION!

Loose connectors may cause overheated wires and melted insulation.

SECTION 4 | Installation

4.9 REMOTE CONTROL

Remote Control Model No. SSW-R1-12B has been provided only for Model SSW-1000-12A, SSW-1500-12A

and SSW-2000-12A. Please refer to separate manual for the above remote.

AUTION!

When wiring Remote Control SSW-R1-12B, the ON/OFF Switch on the inverter (2, Fig 3.1.1 and

3.2.1) should be in OFF position. If this switch is left in ON condition and the Remote Control is

switched OFF

, using the

ON/OFF Button on the Remote control, the inverter will not switch OFF

completely. This will result in draining of the battery due to (i) self consumption of the inverter

and (ii) continuous running of the cooling fan(s) at slow speed.

4.10 USB CHARGING PORT

Models SSW-350-12A and SSW-600-12A are provided with USB Charging Port (3, Fig 3.1.1).

This port can be used for charging batteries in USB compatible personal devices like cell phones, etc. The

port is rated at 5V, 500mA.

SECTION 5 | Operation

5.1 SWITCHING ON AND SWITCHING OFF ON LOAD

Please ensure that the following procedure is used for switching ON and switching OFF the inverter

when a load is already connected to the inverter:

Switching ON

1. Switch OFF the load connected to the inverter

Switch

ON the inverter

3. Wait for a few seconds

Switch

ON the load

Switching OFF

1. Switch OFF the load connected to the inverter

2. Switch OFF the inverter

5.2 CONNECTING LOADS

1. Make sure that the single load or the combined load requirement of your equipment does not

exceed the inverter’s output rating.

2. Switch OFF the inverter

3. Switch OFF the load

4. Plug the cord(s) from the load(s) into the AC receptacle(s) of the inverter

5. Switch on the inverter. Wait for a few seconds

6. The green LED indicator will be lighted to indicate that the inverter is functioning

7. Switch on the load(s)

The inverter is engineered to be connected directly to standard electrical and electronic equipment in

the manner described above. Do not connect the power inverter to household or RV AC distribution

wiring. Do not connect the power inverter to any AC load circuit in which the Neutral conductor is

connected to Ground (Earth) or to the Negative of the DC (battery) source.

SECTION 5 | Operation

WARNING!

Do not connect directly to AC distribution wiring. This inverter is NOT grid interactive.

5.3 OPERATING ENVIRONMENT

For best operating results, the inverter should be placed on at surface, such as the ground, car oor, or

other solid surface. The inverter should only be used in locations that meet the following criteria:

DRY

Do not allow water and/or other liquids to come into contact with the power inverter. In all marine

applications, do not install the inverter below or near the waterline and keep the inverter away from

moisture or water.

COOL

Ambient air temperature should be between 32°F (0°C) non-condensing, and 105°F (40°C). Do not place

the inverter on or near a heating vent or any piece of equipment which is generating heat above room

temperature. Keep the inverter away from direct sunlight, if at all possible.

VENTILATED - BY COOLING FAN(S)

Cooled by 2-speed, load controlled fan(s) (9 in Fig 3.1.2 and 3.2.2). SSW-350 & 600 have 1 fan and SSW-

1000, 1500 & 2000 have 2 fans. The fan(s) will run as soon as the unit is switched ON – at slow speed from

no load to loads up to 10% of the rated power of the inverter and at full speed thereafter. Keep the area

surrounding the inverter clear to ensure free air circulation around the unit. Do not place items on or over

the inverter during operation. An additional external fan is helpful if the inverter is operating at maximum

power outputs for extended periods of time. The unit will shut down if the internal temperature of a

hot spot exceeds the specied limit. The unit will remain latched in shut down condition and will require

manual reset by switching the unit OFF and ON again after the unit has cooled down. Refer to Section 6.1

and 7 for details of symptoms and remedies.

SAFE - Do not use the inverter near ammable materials or in any locations that may accumulate

ammable fumes or gases.

5.4 RATED VERSUS ACTUAL CURRENT DRAW OF EQUIPMENT

Most electrical tools, appliances and audio/video equipment have labels that indicate the power

consumption in Amps or Watts. Be sure that the power consumption of the item(s) you wish to operate

is less than inverter’s power. (If the power consumption is rated in Amps AC, simply multiply by the AC

Volts (115) to determine the approximate Wattage). The inverter will shut down if it is overloaded. The

overload must be removed before the inverter will restart. Resistive loads are the easiest for the inverter

to run. However, larger resistive loads, such as electric stoves or heaters, usually require more wattage

than the inverter can deliver. Inductive loads, such as TV’s and stereos, etc. require more current to

operate than do resistive loads of the same wattage rating. Induction motors, as well as some televisions,

may require 2 to 6 times their wattage rating to start up. The most demanding in this category are

those that start under load, such as compressors and pumps. To restart the unit after a shutdown due to

overloading, remove the overload if necessary, turn the power switch OFF

wait for at least 3 minutes

and then switch ON again (Refer to Section 6.4 and 7 for more details regarding overload symptoms and

protections).

5.5 SIZING CHART FOR TYPICAL LOADS THAT REQUIRE HIGH STARTING SURGE

The manufacturers’ specications of the appliances and devices indicate only the running power required.

The surge power required by some specic types of devices has to be checked with the manufacturer,

actually tested or guessed at best.

SECTION 5 | Operation

Table 5.1 lists some common loads that require high surge power on start up. A “Sizing Factor” has been

recommended against each which is a Multiplication Factor to be applied to the rated running Watt

rating of the load to arrive at the continuous power rating of the inverter (Multiply the running Watts of

the device / appliance by the Sizing Factor).

Table 5.1 Sizing of Inverter for Loads with Starting Surge

Type of Device or Appliance

Sizing Factor

Air conditioner

Refrigerator / Freezer (Compressor based)

Air Compressor

Sump Pump / Well Pump / Submersible Pump

Dishwasher

Clothes Washer

Microwave (In cases where the rated output power is the cooking power)

Furnace Fan

Industrial Motor

Portable Kerosene / Diesel Fuel Heater

Circular Saw

Bench Grinder

Incandescent / Halogen / Quartz Lamps

Laser Printer / Other Devices using Infrared Quartz Halogen Heaters

Switched Mode Power Supplies

Photographic Strobe / Flash Lights (with respect to its Watt Sec rating)

* In the case of photographic strobe / ash unit, the RMS surge power of the inverter should be more than 4 times

the Watt Sec rating of the unit.

5.6 DETERMINING BATTERY SIZE

The power inverter will require DEEP CYCLE Lead Acid Batteries of appropriate capacity.

he automotive SLI (Starting/lighting/Ignition) battery is not designed for repeated deep discharges.

The SLI battery may not supply enough energy and its service life may be reduced.

To determine the minimum battery size that you will need to operate appliances, follow these steps:

1. Determine the AC wattage of each appliance and / or tool you will need to simultaneously

operate from the inverter. To do this, read the labels on the equipment to be operated. Usually,

power consumption is shown in Watts. If it is shown in Amps, multiply by 115 to determine the

AC wattage.

2. For each appliance, estimate the number of hours the appliance will be in use between

battery recharges.

3. For each appliance, determine the Watt-Hours of energy required by multiplying the AC wattage

by the number of hours of use.

4. Add the Watt-Hours of energy for each appliance to get the total Watt-Hours of energy for all

appliances to be used.

5. Divide the total Watt-Hours of energy on the AC side by 10 to get the total Ampere-Hour of energy

on the 12 VDC side to support the operation of the appliances.

6. The Ampere-Hour (Ah) capacity of the battery should be 2 times the total Ampere-Hour energy

required on the 12 VDC side to support the operation of the devices (as calculated at step 5 above).

Two times factor is necessary because batteries are normally not discharged below 50% capacity.

SECTION 5 | Operation

To get an estimate of the current (in Amps) that the battery is delivering to power a particular AC side

load, divide the load's AC consumption power (in Watts) by (10).

Keep in mind that most appliances are not operating for long periods of time. For example, a typical

home-use coffee maker draws 500 Watts during its brew time of 5 minutes, but it maintains the

temperature of the pot at about 100 Watts. Typical use of a microwave is only for a few minutes,

sometimes at low power. Similarly, refrigerator compressor does not remain ON at full rated power at

all times but switches ON and OFF based on its thermostat setting, ambient temperature, frequency of

opening/closing and the temperature of food item(s) when rst stored. As a Rule of Thumb, its operating

Duty Cycle [ON Time ÷ (ON Time + OFF Time)] is around 30%. Hence, a refrigerator rated at say 100W

will draw Watt-Hour Energy of 720 Watt Hour in a 24 Hour cycle [(100W x 24Hrs) x 30% = 720W]. Some

exceptions to brief operating times are TVs, computers etc.

In most instances, the inverter can be left connected to the battery when not in use. However, make sure

that the inverter is switched OFF using the ON/OFF Switch (2 in Fig 3.1.1 and 3.2.1) or using the ON/OFF

Button on the Remote Control Model SSW-R1-12B (Section 4.9). This will prevent unnecessary drain on

the batteries due to self consumption and operation of cooling fan(s).

Battery performance drops in low temperature environment. Higher capacity batteries should be

installed if the environmental temperature is below 20

NOTE: Please see detailed symptoms, causes and remedies in the Troubleshooting Guide at Section 7.

SECTION 6 | Protections

6.1 OVER TEMPERATURE PROTECTION

The unit is cooled by 2-speed fan(s) (9 in Fig 3.1.2 and 3.2.2). The fan(s) will run at slower speed from

the time the unit is switched till around 10% of rated power and at full speed thereafter. In case the

fan(s) fails or if the cooling is inadequate due to higher ambient temperature or restricted air ow, the

temperature inside the inverter will rise. Temperature rise is sensed at one of the DC side Mosfets. If this

temperature exceeds 90-100°C, the AC output will be switched OFF

. The inverter will be latched in

OFF

condition till it is manually reset by switching OFF the ON/OFF switching, waiting for 15 min for the unit

to cool down and switching ON again.

Refer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

6.2 LOW BATTERY VOLTAGE PROTECTION

This condition is not harmful to the inverter but could reduce life of the batteries. The inverter

automatically shuts down when input voltage drops to 10.5V ± 0.3V. Auto-reset at 11.5 ± 0.2V.

Refer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

6.3 OVER VOLTAGE PROTECTION

The inverter will automatically shut down when the input voltage exceeds 15.3V ± 0.3V. The unit will reset

automatically when the voltage drops to 14.9 ± 0.2V. Input voltage exceeding 16V could damage the inverter.

Refer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

SECTION 6 | Protections

6.4 OVERLOAD PROTECTION

The inverter will automatically shut down when the continuous draw exceeds rated Watts. It will be

latched in shut down condition and will require manual reset by switching OFF the ON/OFF Switch (2,

igs 3.1.1 and 3.2.1), waiting for 3 minutes and switching ON again (internal latching circuit does not

de-energize immediately after Switching OFF). SSW-1000/1500/2000 cannot be reset by using the ON/OFF

Push Button on the Remote Control SSW-R1-12B. Manual reset will be required using the ON/OFF Switch

on the inverter (2, Figs 3.1.1 and 3.2.1) as described above.

Refer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

6.5 SHORT CIRCUIT PROTECTION

This protection is similar to overload protection described at subsection 6.4 above.

6.6 GROUND FAULT PROTECTION

Protection has been provided to shut down the inverter (in SSW-350 & 600) or trip the GFCI (in SSW-

1000,1500 & 2000) in case the chassis of the AC load becomes live due to leakage from live portion(s)

inside the load to the chassis of the load. SSW-350 & 600 will shut down immediately if leakage is more

than the maximum allowance of 5mA. Reset procedure for SSW-350/600 will be same as at subsection 6.4

above.

In SSW-1000, 1500 and 2000, the GFCI receptacle will trip and interrupt AC power to the load in case

current > 5mA leaks to Earth Ground when a person touches the live chassis of the load. Please note that

although the GFCI will trip, the inverter will not shut down and AC power will be available by re-setting

the GFCI.

efer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

6.7 LOW INPUT VOLTAGE ALARM

An alarm will sound when the voltage at the input terminals of the inverter drops to 11.0V ± 0.3V. This

is an indication that either the battery terminal voltage has dropped due to its discharged condition and

needs to be re-charged OR there is an excessive voltage drop across the wires connecting the inverter

to the battery (due to use of thinner and longer length of wires that will produce higher voltage drop

at higher loads OR due to loose connections). The user should stop operation of the load at this time

since the inverter will shut down automatically shortly thereafter, when the input voltage at the inverter

further drops to 10.5 ± 0.3 Volts. In case the alarm is due to the discharged condition of the battery, start

your engine to recharge the battery / use an appropriate battery charger.

The alarm resets automatically when the DC input voltage rises to 11.5 ± 0.2V.

Refer to Section 7 - Troubleshooting Guide for more details of symptoms, causes and remedies related to

this protection.

NOTE: It is normal for the alarm to sound while the unit is being connected to or disconnected from the

power source. This is not indicative of a problem.

SECTION 7 | Troubleshooting Guide

TROUBLE / SYMPTOMS POSSIBLE CAUSE(S) SUGGESTED REMEDIES

NO AC OUTPUT

On the Inverter

• GreenLEDonfrontpanelisON

• YellowLEDonfrontpanelofthe

inverter for “Input Fault” is ON

• RedLEDisOFF

• Thereisnobuzzeralarm

On Remote Control SSW-R1-12B

(For SSW-1000-1500-2000-12A)

• DCinputvoltageisbeingdisplayed

• PowerBarGraphisOFF

• Message“InputFault”isashing

Over Temperature Shutdown

In case the fan fails or if the cooling is inad-

equate due to higher ambient temperature

or restricted airow, the temperature inside

the inverter will start rising. Temperature rise

is sensed at one of the DC side Mosfets. If this

temperature exceeds 90C to 100C, the AC out-

put will be switched OFF.

1. The inverter will remain latched in this shut

down condition and will be required to be

reset manually by switching OFF, waiting for

15 minutes and switching ON again.

2. Before using the inverter again, please ensure

that the cause of over temperature has been

removed

NO AC OUTPUT

On the Inverter

• GreenLED,YellowLED&RedLEDon

front panel are OFF

• Thereisnobuzzeralarm

On Remote Control SSW-R1-12B

(For SSW-1000-1500-2000-12A)

Remote Control display is OFF and

cannot be switched ON

No activity due to loss of DC input power to

the inverter

1. If there is no voltage at the DC input

terminals:

• Batteryisdead

• ExternalDCinputfuseisblown

• Looseconnectionalongthecircuitfrom

the battery to the DC input terminals

2. If there is voltage at the DC input terminals:

• InternalDCinputfuseshaveblown

1. Check DC side wire connections and fuses OR

contact Technical Support

NO AC OUTPUT

On the Inverter

• GreenLEDisOFFinSSW-350and600

• GreenLEDisONinSSW-1000,1500

and 2000

• RedLEDonthefrontpanelisON

• YellowLEDonthefrontpanelisOFF

• Thereisnobuzzeralarm

On Remote Control SSW-R1-12B

(For SSW-1000-1500-2000-12A)

• DCinputvoltageisbeingdisplayed

• PowerBarGraphisOFF

• Message“OutputFault”isashing

Shut down due to overload or short circuit or

ground fault / leakage

1. Inverter has shut down because the power

drawn by the load is more than the continu-

ous / surge ratings or there is a short circuit on

the load side.

2. In Models SSW-350-12A and SSW-600-12A,

this shut down could also be due to ground

fault / leakage on the load side (These models

have built in Ground Fault Protection Circuit).

1. Reduce the load or disconnect the load that is

causing overloading.

Check for shorting and remove the short. In

case of SSW-350 / SSW-600, also check for

Ground fault on the load side

When the inverter shuts down due to over-

load, it will be latched in shutdown condition

and will require a manual reset at the inverter

by switching OFF and then switching ON.

Switch off the inverter. Wait for 3 min for the

internal latching circuit to de-energize and

then switch ON again after removing the

cause of overload / short circuit

4. NOTE: SSW-1000-12A, SSW-1500-12A and

SSW-200-12A cannot be reset by using the ON

/ OFF push button on the Remote. Manual

reset, as explained above, has to be carried

out with the help of the ON / OFF switch on

the inverter

O AC OUTPUT

(For SSW-1000-1500-2000-12A)

On the NEMA5-20R Duplex GFCI outlet

• ThesmallGreenLEDlightontheGFCI

outlet is OFF

• The“ResetButton”haspoppedout

On the Inverter

• GreenLEDonthefrontpanelofthe

inverter is ON

• YellowLEDandRedLED



on the front panel of the inverter are

OFF

•

Thereisnobuzzeralarm

On the Remote Control SSW-R1-12B

• PowerBarGraphisOFF

• Backlightisdimmed

• DCinputvoltageisbeingdisplayed

GFCI has tripped due to ground fault / leakage

on the load side

Due to ground fault / leakage on the Load

Side of the GFCI, the Load Side has been me-

chanically disconnected from its AC input side

by the relay inside the GFCI.

Internally

, the inverter will still be working

normally and the rated AC output voltage

will be available on the internal Line Side of

the GFCI but not on the external Load Side of

the GFCI due to tripped relay in the GFCI.

Use the “Reset” button on the GFCI outlet to

reset the mechanical switch to the ON position

after removing the cause of the ground fault /

leakage.

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