NSi Industries ES103A User Manual

TORK ES101A/ES103A/ES120A

Digital Time Switch

24 Hour with Skip-A-Day

READ INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO INSTALL TIME SWITCH
SEE WARNING ON BACK PAGE - Failure to comply with instructions could result in personal

injury and/or property damage.

INSTALLATION

UNIT IS TO BE INSTALLED BY A LICENSED ELECTRICIAN

1. To remove unit from enclosure: Push tab on right to swing unit to the
left and remove.

2. Before installing and wiring, proper jumper postion must be selected as
follows:

CAUTION: CLOCK VOLTAGE SELECTION – The unit’s input voltage is
field selectable but factory set to 120VAC. If 208-277VAC is required,
pull blue jumper behind the circuit board on lower right rear side of unit
(under transformer) from the 120 position and install in the 208-277
position. Failure to properly configure the jumper will result in damage to
the unit and void the warranty.

3. Mount the enclosure at eye level using
screws or other suitable fastening device.
Bring supply and load wires in through bot­tom or side knockouts. DO NOT USE TOP.

4. Install 9 volt alkaline or lithium battery
(not supplied) by sliding battery cover

(located on top of front panel) in direction
of arrow and removing. Carefully remove the battery connector and attach
to battery. Insert battery into provided space. Reinstall battery cover.

Note: Unit can be fully programmed using battery power only

but should be

connected to AC power immediately after in order to save battery life.

5. Reinstall unit by reversing step #1 above and connect wires to unit as
per suggested wiring diagrams. See illustration and warning on back page.

KEY FUNCTIONS

DAY: Press to select proper day of the week in the CLK (clock) mode.
HOUR: Press to set the hours in the CLK mode and in the SCH (sched-

ule) mode.
MIN: Press to set the minutes in the CLK mode and in the SCH mode.
OVERRIDE: Press to alter the current load status (operates in both AUTO

and MAN modes).
MODE: Press to advance to next mode. Sequence is: CLK, SCH, AUTO,

MAN. In the CLK and SCH modes, UNIT AUTOMATICALLY REVERTS
TO THE AUTO MODE IF NO ENTRIES ARE MADE FOR 5 MINUTES.

DELETE: Press to delete the displayed information when in the SCH
mode.

SKIP: Press to set or delete skip days (those on which no schedule is
executed).

ENTER: Press to store the displayed information into memory.

Information will not be stored until ENTER key is pressed.

NOTE: During settings, each press of the key will advance one num­ber. For rapid advance, hold key in.

BLUE JUMPER

SELECT INPUT
VOLTAGE HERE

120

208-277

TO SET CLOCK

Press MODE key until display shows CLK.
Press DAY key to select current day. Press HOUR key to select current hour.

Check A (AM) or P (PM). Press MIN key to select current minute. Press ENTER
key and the clock is set for current time and day.

TO SET SCHEDULE

If display does not show SCH, press mode key until display shows SCH.
Note: There are 7 ON and 7 OFF set points which alternate (set point #1 is ON;

#2 is OFF; #3 is ON).
The display will Indicate it is ready to receive SCH setpoint #1 which is an ON

event.
Press HOUR and MIN keys for the first ON setting (check for AM or PM).
Press ENTER key to store the information and display will indicate it is ready to

receive SCH setpoint #2 which is an OFF event.
Press HOUR and MIN keys for the first OFF setting. Then press ENTER key to

store the information and display will indicate it is ready to receive SCH set­point #3 which is the next ON event.

Proceed for up to 7 ON and 7 OFF setpoints. Then press MODE key and unit
will go to the AUTO (run) mode.

In the AUTO mode, the unit will display current time and day as well as load sta­tus (ON and OFF).

Note: When the unit is returned to the auto mode, check the load status of the current set­ting. If it is showing OFF but should be ON, press the override key. The unit will correct itself
at the next scheduled event and no further alteration will be necessary.

TO SET SKIP DAYS

Press MODE key until display shows SKIP. Press DAY key and M (Monday)
starts flashing. Press SKIP key to set or delete a flashing day. Press DAY key to
advance the days. When all desired skip days are selected (showing solid on
LCD), press ENTER key.

Note: During skip days, only OFF events are executed. This will allow the load to turn off if it
was overridden ON during these days.

REVIEW/MODIFY

1. CLOCK - ALTER TIME. Press mode key until display shows CLK. Press
DAY, HOUR, and MIN keys to change to the correct time. Press ENTER.

2. SCHEDULE - REVIEW. Press mode key until display shows SCH. Press
ENTER key repeatedly to review all the scheduled entries. During the review,
any selected skip days will appear on the display with the word SKIP.

3. SCHEDULE - MODIFY. During the review (see previous section) any set­point can be modified or deleted. Use the HOUR and MIN keys to modify.
Use the DELETE key to eliminate that event. Press ENTER key after each
modification.

4. SKIP DAYS - ADD/DELETE. Press MODE key until display shows SKIP. All
previously selected skip days will appear. To add or delete days, follow steps in
section titled “TO SET SKIP DAYS”.

OVERRIDE - TEMPORARY

In order to temporarily change the current ON or OFF status of a load, simply
press the override key when the unit is in the AUTO mode. The altered load sta­tus will flash. Override is in effect until the next scheduled event. In order to can­cel the override, press override key again.

OVERRIDE - LONG TERM

Press mode key until display shows MAN (manual). Normal schedule will not
be executed and the load status will remain unchanged as indicated. Press
the OVERRIDE key to obtain the correct status or to alter the load status.

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469D

LISTED

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LR21743