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17
Winter Ratings Watts Zone 1 Zone 2 Zone 3
SL1000 10 4 8 13
SL1000 15 6 12 20
SL1000 20 8 16 26
Dual SL1000 15 3 6 10
Dual SL1000 20 4 8 13
Requires 24 Amp Hour Battery
SL2000 10 4 8 13
SL2000 15 6 12 20
SL2000 20 8 16 26
Dual SL2000 15 3 6 10
Dual SL2000 20 4 8 13
2) If the gate is binding or dragging, or if ball bearing rollers are not used, it will require more than 10 amps to
move it. This will reduce the MNC.
3) The charts are based on the transformer being plugged into an outlet that provides a line voltage of 120 volts; if
the outlet provides less than 120 volts (for example, some rural areas may only provide 105 volts), it can reduce
the MNC by as much as 50%.
4) A fully charged standard battery has an inherent reserve of 20-50 cycles without requiring a charge. This allows
peak loads at several points during the day, depending upon how much time the transformer has to provide a
charge to the battery between cycles. The transformer is capable of fully recharging the battery in as little as
five minutes at optimum conditions.
5) The charts on page 16 are based upon an ambient temperature of 40º F. Battery performance and speed at which
it will recharge will fluctuate based upon temperature.
6) The MNC for dual gate applications will be about 50% less of those for a single gate.
IMPORTANT:
• The GTO transformer is intended for indoor use. If the transformer can only be plugged into
an outside electrical outlet, a weatherproof housing or cover (available at electrical supply
stores) must be used.
• Use of a surge protector is highly recommended.
• Optional Solar Panels are available from a GTO dealer; see Accessory Catalog.
• The GTO/PRO 24 Amp Hour Battery Kit is required for the SL-2000 in solar applications,
see Accessory Catalog.
NOTE: If your are considering using the GTO solar panel to maintain the system battery
charge, please see the following chart:
INSTALLATION OF THE GTO TRANSFORMER CONT.
This table and map illustrates the maximum
number of cycles per day to be expected in
a particular area, using either one or two of
GTO’s 10 watt solar panels (see Accessory
Catalog). Figures are shown for winter
(minimum sunlight) and do not account for
use of any accessory items.
SOLAR ZONES AND GATE ACTIVITY
Estimated Maximum Number of Cycles Per Day
Zone 1
Zone 2
Zone 3
Zone
3
Zone
3
NOTE: Accessories will draw additional
power from the battery.