SECTION 5 CONTROL FEATURES – ENGINE EXERCISERS
5--1
Thesetimers periodically exercise the emergency engine-generatorplant. Theycan be set to exercise with or without
loadtransfer, or they can be completelydisabled. Theengine-generatorshouldbe exercised under load once a week for
aminimum time period of 20 minutes, or follow the recommendations of the e ngine-generator set manufacturer. Refer
to page 4–2 for location of DIP switches, battery (provided), and jumper block in the controller.

BUILT–INENGINE EXERCISER

Theengine exerciserincluded in the Series 200automatic
transfer switching device provides a once a week
20–minute exercise period. Itoccurs immediately when
the SET ENGINE EXERCISER push button is pressed
(and held for at least 5 seconds), and thenat thesame
time weekly thereafter. A 9 volt alkaline battery
(DuracellRMN1604, EverreadyR522, or PanasonicR
6AM6) is furnished and installed in the controller to
maintain thesetting. The battery jumperblock must be
shifted to the ON position. SeeFigure 4–2 on page 4–2.
Fillin day a nd time set. WeekDay ______ Time _______.

DIP Switch Settings

FUNCTION S1 DIP
SWITCH
S2 DIP
SWITCH
Std.Timer
Enabled
Actuator
7on
7
Actuator
5on
5
Std.Timer
Disabled
Actuator
7off
7
Actuator
5on
5
Exercise
without
Load
Actuator
8off
8
Exercise
withLoad
Actuator
8on
8
ShadedDIP switches are standard factory settings.
status light
IfExerciser with Load is set,
transfersload toEm ergency.
IfExercise with Load is set, retransfers load to
Normal,then stops generator after min. cooldown.
Pressto can cel an active exercise
period (stops generator). Pressand hold for 5 sec. or until status light
blinksrapidly to set exercise period immediately
and every week hereafter (generator starts).
Figure 5-1. Operator panel pushbuttons and light.
Selectbelo w either Exercise without Load or Exercise with Load according to the setting of DIP switch S1, actuator 8. The
loadtransfers from the Normal source to Emergency source (generator) and back again if Exercis e with Load is selected.

Exercise without Load, DIP Switch S1, A ctuator 8 off

8

How to Set Built–In Timer

Step Function Explanation
Push Button Status Light
1
SET ENGINE
EXERCISER
hold 5sec.
blinks rapidly
FfFfFf set exercise period Exercise the generator now and
every week at this time hereafter.
2release blinks slowly
FffFff exercise period now active Generator starts and runs.
3press BYPASS
TIME DELAY Fstays on cancel active exercise period Generator stops.
4 — Fstays on generator off Exerciserenabled; repeats every 7 days.

Exercise with Load, DIP Switch S1, Actuator 8 on

8

How to Set Built–In Timer

Step Function Explanation
Push Button Status Light
1
SET ENGINE
EXERCISER
hold 5sec.
blinks rapidly
FfFfFf set exercise period Exercise the generator now and
every week at this time hereafter.
2release blinks slowly
FffFff exercise period now active Generator starts and runs;
the load transfers to Emergency.
3press BYPASS
TIME DELAY
blinks slowly
FffFff cancel active exercise period
The load retransfers to Normal; then
generator runs for 5 minute cooldown
( light blinks slowlyduring cooldown ).
4 — Fstays on generator off Exerciserenabled; repeats every 7 days.
NOTE:EverytimeSET ENGINE EXERCISER push button is pressed (held 5 seconds) the exercise period is changed.