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Brig, s& Stratton P ower P roducts Automatic Transfer Switch
Installation
and Owner's
Manual
SYSTEM
OPERATION
To select automatic transfer operation,
do the following:
I.
Set circuit breaker that sends utility power to transfer
switch to "On"
position.
2.
Set generator's
main circuit breaker to its "On"
position.
3.
Install 15 Amp fuse in control
panel on generator.
4.
Set AUTO/OFF/MANUAL
switch on generator
to
"AUTO"
position.
The system will now be in automatic operation
mode.
TESTING
THE
AUTOMATIC
TRANSFER
SWITCH
Turn the circuit breaker feeding the transfer switch, to the
"Off'
position.The
automatic sequence will follow.To go
back to utility power, turn the circuit breaker to the "On"
position.
Automatic
Sequence
Utility Fail
Utility voltage sensor senseswhen utility voltage is below
70 percent of nominal. Enginestart sequence is initiated
after 6 second time delay.
Engine Warm-Up
Time delay to allow for engine warm-up
before transfer
fixed at 20 seconds or 50 seconds with optional cold
weather package.
Transfer
Transfers from utility to standby supply occurs after
standby voltage is above set levels. Minimum engine run
time is 4 minutes after transfer.
Utility Pickup
Voltage pickup level is 80 percent of nominal voltage.
Retransfer
Retransfer from standby to utility supply 10 seconds after
utility voltage supply is above pickup level.
Engine Cool Down
Engine will run for 60 seconds after retransfer.
Specifications
UL®
1008 Listed Transfer
Switch
Model 01917
Enclosure ...................
NEMA I
Maximum Load/Circuit:
from Load Center ..........
50 Amps
Rated AC Voltage .............
250 Volts
Poles ......................
2
Frequency ..................
50/60 Hz
Fault Current Rating ..........
5,000 RMS Symmetrical
Amperes
Weight .....................
27 Ibs.
Model 01918
Enclosure...................
NEMA 3R
Maximum Load/Circuit:
from Load Center ..........
50 Amps
Rated AC Voltage .............
250 Volts
Poles ......................
2
Frequency ..................
50/60 Hz
Fault Current Rating ..........
5,000 RMS Symmetrical
Amperes
Weight .....................
34 Ibs.
When
Calling the Factory
Before contacting
Briggs and Stratton Power Products
regarding service or repair of this transfer switch, obtain
the Model Number
and Serial Number
from the unit data
decal located on or inside the case.
To contact Briggs and Stratton Power Products call
1-800-743-4115, between 8:00 AM and 5:00 PM CT.
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