Programming instructions

- Page 19 -
IL 30-471 (E)
APPLICATION
The Plant Exerciser is a Program Time Switch which
functions to start and stop the engine-generator set and
transfer switch automatically at pre-selected intervals
or times. This electronic timer can be programmed to
operate the switch at specific times of the day daily or
specific days of the week. The cycle repeats weekly.
The Plant Exerciser may be used in two different ways
as an accessory for transfer switches.
1. It may be used to simulate an interruption in the
normal source of supply at selected intervals, at
least once per week, causing the transfer switch
components to function, including start-up of the
engine-generator set and transfer of load to the
generator supply. At the end of the interval it will
initiate the transfer back to normal supply and shut
down the engine-generator.
or
2. It may be used to start up an engine-generator set
at selected intervals, at least once per week, but
without causing the transfer switch to operate and
transfer the load to the generator supply. At the
end of the interval it will cause the engine-generator
to shut-down.
INSTRUCTIONS: TO OPERATE THE ENGINE FOR
AN INTERVAL ONCE EACH WEEK, WITH OR WITH-
OUT OPERATION OF THE TRANSFER SWITCH ...
1. Follow the programming instructions that come with
the time switch, set up the actual time of day and
the day of the week.
2. Determine the time of day and the day of the week
for this test. Program the “ON” command by press-
ing “CHI” once, and the display will show “CHI ON”
and indicate “- - : - -” for the time.
3. Press the “DAY” key to select the desired day of
the week.
4. Insert the hour and minutes at which time the “ON”
command is to take place, then press the “CHI” key
to enter the program.
5. The display will indicate “CHI OFF” and “- - : - -”.
Program the “OFF” command by using the steps
outlined above
6. Press the “ ” key to return to actual time of day
display. After the time switch is programmed, it will
automatically “look back” and assume the correct
“ON” or “OFF” switch position.
NOTE:
Regarding changing, checking or canceling pro-
grams and manual over-ride switch operations,
please refer to the instructions that are provided
with the Electronic Time Switch.
PORTABLE TEST KIT
An inexpensive, portable test kit, # 1278C67GO1, is avail-
able for convenient field testing and calibration of all plug-
in cards and output relays. The only power source re-
quired is a 120V convenience outlet. A selector switch
allows the operator to test individual cards or to simulate
ATS operation by having the source monitoring cards
drive the time delay cards which in turn drive the output
relays, exactly as in actual use. Calibration checks or
changes can thus be accomplished without the neces-
sity of energizing the alternate power source.