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• Use a plug-in power monitor plugged into a domestic AC mains socket to
find out the true power consumption of an AC device. Ideally use a power
monitor with a peak current facility that will indicate the required starting
current of a device
• If the appliance to be connected does not have its wattage (W) indicated
on it, the wattage can be calculated by multiplying the amperes (A) by
230
• When you have finished powering a mains device with the inverter, turn
the On/Off Switch (5) to off. The inverter always consumes power when
turned on. See 'Specification' for the inverter power consumption without
load. It is possible for a the inverter to drain a battery and prevent starting
of a vehicle if left on - even without a load
1. Before connecting any appliance to the inverter, switch the On/Off Switch
(5) to the 'ON' position. After a few moments, the green Power Indicator
Light (2) will illuminate. The inverter is now ready for use
2. Do not connect loads greater than the rated maximum continuous power
output of the inverter (see Specification)
3. Connect your AC device to either of the Universal Mains Sockets (1)
Calculating Load and Runtime
• Ah rating of batteries is an approximate figure that is rarely true when a
battery is discharged at a very high rate. A 100Ah battery discharged at
5A for 20 hours is more likely to last 20 hours than when discharged at
100A for 1 hour which will likely be fully discharged before 1 hour
• To calculate the maximum wattage output of a battery for one hour,
multiply its Ah figure by its voltage (12V) i.e. a 100Ah battery is capable
of 1200W for one hour
• An easy way to calculate the approximate runtime of a mains
device when connected to an inverter with a known amperes power
consumption value, is to multiply by 20 and divide the Ah figure of the
battery by this calculated figure to get an approximate figure in hours
• Convert Watts into Amperes by dividing Watts by voltage (230). Convert
Amperes into Watts by multiplying Amperes by 230
Protection Features
• Input over voltage: the inverter will switch off if the input DC voltage
reaches or exceeds 15.5V. This indicates a poorly-regulated electrical
system in the vehicle
• Input low voltage: the inverter will switch off if the DC voltage is
approximately 10V. This prevents damage to AC devices due to
insufficient AC voltage. The DC voltage may already be inadequate for
starting the vehicle at this point. The inverter will audibly indicate low
voltage from approximately 10.5V to 10V before shutting down
• Output overload: the inverter will switch off if the sustained or peak
current requirements of the AC device or devices is too high for the
inverter or the peak starting current requirements are within the inverter
specification but are lasting beyond the 1 second limit for peak current
• Output short-circuit: If there is a short circuit in the AC connections the
inverter will shut off. This has possibly blown the internal fuses of the
inverter and will need replacement at an authorised service centre
• Overheat protection: The inverter will shut off if the internal temperature
of the inverter has reached approximately 65°C. This may occur due
to inadequate ventilation, incorrect installation, poor compatibility with
an AC device, or simply due to the inverter being used for a long period
at maximum capacity. The built-in fan of the inverter is temperature-
controlled to reduce current demands of the inverter
IMPORTANT: Always try to prevent these protection features from operating
in the first place. It is possible that damage has already occurred before
they operate.
IMPORTANT: When restarting the inverter after shutdown make sure the
issue has been corrected that caused the shutdown.
8
Using the USB socket
• The inverter is fitted with a USB socket (4), which provides a maximum
of 500mA current. If you have a device that can be charged via USB or
mains always use the USB as it makes more efficient use of energy
Accessories
A wide range of Silverline products are available from your stockist
including power tools compatible with this inverter.
Maintenance
• WARNING: The inverter contains no user serviceable parts. Some
internal components retain a dangerous high charge level even when
disconnected from power. In the event a short circuit occurs and blows
the internal fuses, even though spare fuses may be supplied these should
be replaced by an authorised service centre or qualified electrician.
Cleaning
• Keep your machine clean at all times. Dirt and dust will cause internal
parts to wear quickly, shortening the machine's service life. Clean the
body of your machine with a soft brush, or dry cloth. If available, use
clean, dry, compressed air to blow through the ventilation holes
Disposal
Always adhere to national regulations when disposing of power tools that
are no longer functional and are not viable for repair.
• Do not dispose of power tools, or other waste electrical and electronic
equipment (WEEE), with household waste
• Contact your local waste disposal authority for information on the correct
way to dispose of power tools
WARNING: Do not dispose of lead acid batteries with household waste.
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