SamplexPower SSW-2000-12A Le manuel du propriétaire

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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.
Copyright Notice/Notice of Copyright
Copyright © 2016 by Samlex America, Inc. All rights reserved. Permission to copy, distribute and/or modify this document is
prohibited without express written permission by Samlex America, Inc.
3
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
A
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!
TO
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.
2.
W
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.
4
SECTION 1 | Important Safety Instructions
7. This is not a toy - keep away from children.
8.
Do not insert any object into the ventilation slots or the fan opening(s).
1.4
!
C
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
5
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
2
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
2
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.
6
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
80
60
40
20
0
20
40
60
80
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 +
V
peak
= 162.61V
V
peak
= 140 to 160V
V
RMS
= 115 VAC
Fig 2.1 Pure and Modied Sine Waveforms for 115V, 60Hz
7
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)
11
7
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
1.
AC
Outlets: 2 x NEMA5-15R
2. ON/OFF Switch
3.
US
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)
A
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.
8
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)
11
10
4
8
9(a) 9
7
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
3.
8P8C Modular Jack (Also called
RJ-45 Jack) for connecting Remote Control Model SSW-R1-12B
4.
Y
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.
7.
Positive DC Input Connector: Stud and Nut
Size M9
8. Negative DC Input Connector: Stud and Nut Size M9
9.
Cooling fan [behind the fan grille 9(a)]
9(a).
Ventilation grille for fan (Air from fans (9) is discharged outwards)
9(b).
V
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
9
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
98
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
10
SECTION 4 | Installation
WARNING!
1. Before commencing installation, please read the safety instructions explained in Section 1
titled “Important Safety Instructions”.
2.
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.
C
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.
C
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
RF
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.
11
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.
!
C
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.
12
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
DC
SIDE
AC
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.
13
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
C
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
F
use Block: 5191
- AWG#8 AWG#6
F
use: 5177
SSW-600-12A 60A 75A 80A
F
use Block: 5191
- AWG#6 AWG#4
F
use: 5181
SSW-1000-12A 100A 125A 150A
F
use Block: 5191
- AWG#4 AWG#2
F
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
A
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
14
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
1.
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.
15
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.
!
C
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
2.
Switch
ON the inverter
3. Wait for a few seconds
4.
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.
16
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.
17
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
5
Refrigerator / Freezer (Compressor based)
5
Air Compressor
4
Sump Pump / Well Pump / Submersible Pump
3
Dishwasher
3
Clothes Washer
3
Microwave (In cases where the rated output power is the cooking power)
2
Furnace Fan
3
Industrial Motor
3
Portable Kerosene / Diesel Fuel Heater
3
Circular Saw
3
Bench Grinder
3
Incandescent / Halogen / Quartz Lamps
3
Laser Printer / Other Devices using Infrared Quartz Halogen Heaters
4
Switched Mode Power Supplies
2
Photographic Strobe / Flash Lights (with respect to its Watt Sec rating)
4*
* 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.
T
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.
18
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
o
C.
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.
19
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,
F
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.
R
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.
20
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.
2.
Check for shorting and remove the short. In
case of SSW-350 / SSW-600, also check for
Ground fault on the load side
3.
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
N
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
1.
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.
2.
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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