Testingthe Automatic Transferswitch - Briggs & Stratton 71045 Installation Manual

Testingthe Automatic TransferSwitch
,A W,4RNlfl6ShockHazard. E quipment c ontainshigh voltage
that couldcauseelectrocution resultingin deathor
seriousinjury.
Testingmustonly beperformed by qualifiedpersonnel
Donot operate this equipment i mprudently, c arebsslyor negbct
its maintenance.
Turnthe utilityservicedisconnect c ircuit breaker f eedingthe
transferswitchcontactorto the OFFposition.Thesystem's
automatic sequence describedbelowwill initiate.To returnto utiMy
power,turn the utility servicedisconnect c ircuitbreaker t o the
ONposition.
IJtiiity Fail
Thegeneratorsenseswhenutilityvoltageis below70 percentof
nominal.Enginestartsequence is initiatedafter 6 second time
delay.
Engine Warm-Up
Timedeby to allowfor enginewarm-upbeforetransfer.Usejumper
on transferswitchcontrol boardto selectdday of
20 seconds or 50 seconds.
Transfer
Transfer f rom utilityto generator s upplyoccursaftervoltageis
aboveset bvds. ThetransferswitchcontroU boardLEDfightswHU
Otherthan a Manual O verridelever,thereare no operatorcontrols
because this is an automatic transferswitch.Themanualoverride
is to be usedonly by ficensedprofessionaB. I nformation on handb
usecanbe obtainedby caflingTechnical S ervice at 800-743-4115.
To select automatic transfer operation, do the following:
1. in transfer switch, set utility disconnect circuit breaker
to "ON" position.
2. in transfer switch, set generator disconnect circuit
breaker to "ON" position.
3. Install 15 Amp fuse in generator's control panel.
4. Set generator's circuit breaker to "ON" position.
5. Set generator's system switch to "AUTO" position.
The system will now be in automatic operation mode.
When the generator is providing power to the transfer
switch, the transfer switch control board is constantly
monitoring generator power. If the air conditioner is called
A-A will ope_ if enS_gh power is available, B-B will close,
aftertransfer.
LoadManagement
Fiveminutesafter transferto generaior
energize connected load(s)if generator
with the highestpriority (1) throughthe
a 10 seconddelaybetween eachsequential
TheP1throughP8 LED's(A) on the Symphony
illuminate to showloadsbeingadded.
Loadsconnected to remotemodulessetto priorities9 and 10
remainoff for the durationof a utility poweroutage.
i,itiiity Pickup
Voltagepickuplevelis 80 percent o f nominal v oltage.
Retranafer
Retransfer f rom generator t o utility poweris approximately 1 0
secondsafter utilityvoltagesupplyis abovepickup leveland
minimumruntime is completed. A ll remotemodule(s)will remain
OFF for five minutesafterthe powertransfer.
Engine Ceel Dewn
Engine will run for 60 secondsafter retransfer.
in this position, push door upwards. This will cause
spring-load door lock to engage and latch door in place.
Enclosure door MUST be closed and latched at all times
except when system is being serviced.
!will
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