Briggs & Stratton Power Products Automatic Transfer Switch
Installation and Operator’s Manual
SYSTEM OPERATION
To select automatic transfer operation, do the following:
1A. For models
B.For models
2.For models
3.Set generator’s main circuit breaker to its “On” position.
4.Install 15 Amp fuse in control panel on generator.
5A. If generator is equipped with a system ON/OFF switch, set switch to “On” position.
B.If generator is equipped with a AUTO/OFF/MANUAL switch, set switch to “AUTO” position.
The system will now be in automatic operation mode.
TESTING THE AUTOMATIC TRANSFER SWITCH
Turn the service disconnect feeding the transfer switch, to the “Off” position.The automatic sequence will follow.To go back to utility power, turn the service disconnect to the “On” position.
Automatic Sequence
Utility Fail
The Home Standby Generator set senses when utility voltage is below 70 percent of nominal. Engine start sequence is initiated after 6 second time delay.
Engine Warm-Up
Time delay to allow for engine
Transfer
Transfer from utility to standby supply occurs after standby voltage is above set levels. Minimum engine run time is
5 minutes after transfer.
Utility Pickup
Voltage pickup level is 80 percent of nominal voltage.
Retransfer
Retransfer from standby to utility supply is approximately 10 seconds after utility voltage supply is above pickup level and minimum run time is completed.
Engine Cool Down
Engine will run for 60 seconds after retransfer.
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
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