NSi Industries EW103S User Manual
TORK EW101S/EW103S/EW120S
7 DAY Digital Time Switch
READ INSTRUCTIONS CAREFULLY BEFORE SETTING UNIT
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. 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.
3. Reinstall unit by reversing step #1 above and connect wires to unit as per suggested wiring diagrams.
See illustration on back page.
4. A reset switch (located in the front of the unit
above the LCD display) clears all memory. Slide the
switch to the left and wait for 2-3 seconds. Then slide
the switch to the right and the unit is ready for setting.
KEY FUNCTIONS
DAY: Press to select proper day of the week in the CLK
(clock) mode and the SCH (schedule) mode.
HOUR: Press to set the hours in the CLK mode and in
the SCH (schedule) 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.
ON/OFF: Press to assign ON or OFF events.
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.
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
For convenience, write out your desired schedule on a
separate paper.
If display does not show SCH, press mode key until display shows SCH.
The display will Indicate it is ready to receive SCH setpoint #1.
Press DAY key to set day(s).
Note: The following is a listing of the sets of days which can be set:
1. M, T, W, TH, F
2. S, SU (Saturday and Sunday only)
3. M, T, W, TH, F, S, SU
4. Individual days: M or T or W or TH or F or S or SU
Press HOUR and MIN keys (check for AM or PM). Press
ON/OFF key for appropriate event.
Press ENTER key to store the information and display
will indicate it is ready to receive SCH setpoint #2.
Proceed for up to 14 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.
REVIEW/MODIFY
1. CLOCK - ALTER TIME
Press mode key until display shows CLK.
Press DAY, HOUR, and MIN keys to change to the cor-
rect time. Press ENTER.
2. SCHEDULE - REVIEW
Press mode key until display shows SCH.
Press ENTER key repeatedly to review all the scheduled
entries.
3. SCHEDULE - MODIFY
During the review (see previous section) any set point
can be modified or deleted. Use the HOUR, MIN and
DAY keys to modify. Use the DELETE key to eliminate
that event. Press ENTER key after each modification.
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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