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source acceptable lig hts
load transfer
test b utton
transf er switch on gen erator
(alternate source) light
transfer switch on utility
(preferred source) light
7
AUT OMA TIC GENERA T OR EX ERCISER
The automatic generator exerciser automatically exercises
the generator for 20 minutes once every 14 days.
TO SET EXERCISER
Press and release the Automatic Generator Exerciser but-
ton. After about 8 seconds the exerci ser light fl ashes 14 times
to indic ate that the e xerci ser has been set. The num ber of
flashes indi cates the number of d ays until thenext exercise p e-
riod (at approximately
thesametimethebuttonwaspressed).
TO DISABLE EXERCISER
Press and hold the Automatic Generator Exerciser button
until the light above the button goes off (light flashes then
goes off). The exerciser is now disabled and the light is off.
TO ENABLE EXERCISER
Press and hold the Automatic Generator Exerciser button
until the light goes off (light flashes then goes off). Exerciser
is now enabled. After about 8 seconds exerciser l ight flashes 14
times to i ndicate that the exerci ser has been re–enabl ed.
Note: With a total power failure (utility failure and generator
fails to start) the exerciser must be reset after pow er is
restored.
set exerci ser button
automatic generator exerciser light
MANUAL GENERATOR TES TING
GENERATOR TEST WITH LOAD TRANSFER
During this test a utility failure is simulated. The generator
starts and the load transfers to the generator. Then the loa d
retransfers back to the utility a nd generator stops.
1. Press and hold the
Push to Test button until the
GENERATOR acceptable light comes on and stays on
(the generator cranks and starts).
2. The a utomatic transfer switch waits 15 seconds to allow the
generator to warm u p. Then i t transfers t he l oad to the
generator. The TRANS FER
SWITCH on generator
(alternate so urce) l ight
comes o n.
3. After 5 minutes the auto–
matic t ransfer switch r e–
transfers t he l oad back to
the u tili ty. To bypass the
time del ay, press and
release the Push t o Test
button agai n. T h e TR ANS–
FER SWITCH on utility
(preferred source) light
comes o n.
4. Afterloadretransferthe
generator wil l conti nue to
run unloaded for one min-
ute for engine cooldown.
Then it is sto pped. The
GENERATO R acceptable
light goes off.
GENERATO R TEST WITHO UT L O AD TRANSF ER
During the test the generator cranks and starts and the
GENERATOR light comes on (if it is acceptable). After
running for 20 minutes it stops. Throughout the test the load
remains connected to the utility (the automatic transfer
switch does not
transfer the load t o the generator).
1. Press and release
(do not hold) the Push to Test butto n.
The generator cranks and starts, and the GENERATOR
acceptable light comes on and stays on.
2. The generator runs for 20
minutes. The automatic
transfer switch does not
transfer the load to the
generator. The TRANS-
FER SWITCH on utility
(preferred source) light
stays on.
3. To bypass the time delay or
cancel the test, press and
release the Push t o Test
button again.
4. The generator stops and
the GENERATOR accept-
able light g oes off.