NSi Industries DG280A-24 User Manual
INSTRUCTION MANUAL
LISTED
DIGITAL TIME SWITCH
24 HOUR
DG180A
DG280A
DG280A-24
FOR TECHNICAL SUPPORT:
888.500.4598
A DIVISION OF NSi INDUSTRIES, LLC
USA • 800.321.5847 • www.nsiindustries.com
MLI-199(A)
TABLE OF CONTENTS
Section Page
Installation Instructions and
Capabilities ...........................1
1.0 Clock Format . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 Clock Set Mode . . . . . . . . . . . . . . . . . . . . . . . . 2
3.0 Date Set Mode .........................2
4.0 Daylight Saving Time.....................3
4.1 To Modify Daylight Savings Dates ............3
5.0 Duty Cycle and Signal ....................4
5.1 To set Duty Cycle and Signal ...............5
6.0 Schedule Set Mode ......................6
6.1 Setting Hours and Minutes .................6
7.0 Skip Day Mode . . . . . . . . . . . . . . . . . . . . . . . . 7
7.1 To set Skip Day Mode . . . . . . . . . . . . . . . . . . . . 8
8.0 Review, Modify, and Delete . . . . . . . . . . . . . . . 10
Override Mode........................10
Wiring Diagram .......................13
Schedule Sheets . . . . . . . . . . . . . . . . . . . . 14 -16
TORK MODEL
DG180A/DG280A/DG280A-24
7 DAY DIGITAL TIME SWITCH
READ INSTRUCTIONS CAREFULLY BEFORE
ATTEMPTING TO INSTALL TIME SWITCH. SEE
WARNING ON FRONT PANEL – 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. Remove unit from enclosure by pushing the inside
tab (located near the outside hasp) to the right.
Swing unit to left and remove.
2. Mount the enclosure at eye level using screws
or other suitable fastening device. Bring supply
and load wires in through or side knockouts.
DO NOT USE TOP.
3. Reinstall unit by reversing step #1 above and
connecting wires to units as per suggested
wiring diagrams at back of manual.
4. Unit should be programmed with AC power. Do
not program under super cap back up power.
AT POWER UP;
Connect unit to main power source prior to entering the
settings. When powering up the unit for the first time,
allow 1-2 minutes for super cap to charge and the
display will show 12 HOUR. Press reset button after 2
minutes if screen is blank.
CAPABILITIES
- 24 hour scheduling
- 56 set points
- 2 Duty cycle or signal durations (maximum 24 hours)
- Unique “Skip Day” cycle pattern (repeats for up to 31
day cycles)
1
FEATURES
Daylight saving - Automatic (user selectable)
Leap year - Automatic compensation
Power outage - Permanent schedule retention. Super
capacitor provides 7 days of real time back up.
Manual override - Until the next scheduled event
AM/PM or 24 hour format - user selectable
Multi-Voltage Input: 120 – 277VAC
1.0 CLOCK FORMAT
The first time unit is powered up, it will display a
flashing 12 Hour. Use HOUR key to set clock format to
either 12 Hour (AM/PM) or 24 Hour. Press the ENTER
key.
2.0 CLOCK SET MODE
Press HOUR and MIN to advance to the present hour
and minutes. Check AM/PM, and press ENTER.
3.0 DATE SET MODE
2
Press MONTH, DATE, and YEAR key to advance to
the desired month, date and year, then press ENTER.
NOTE: The day of the week will automatically set
once the date is entered.
4.0 DAYLIGHT SAVING TIME
After setting or modifying the date, display will show:
a. For standard USA daylight savings (DSt), press
MODE and go to step 5.0.
b. For dates other than standard USA dates, press
MONTH and go to step 4.1.
c. If daylight saving time (DSt) is NOT required, press
DEL display will show:
Press ENTER then go to step 5.0.
4.1 TO MODIFY STANDARD USA DAYLIGHT SAVINGS DATES
NOTE: The first two digits represent the month and
the second set of digits represent the week in the
month. Choices for week are 01 (1st), 02 (2nd), 03
(3rd) or L (Last) week of the month. The default day
3
is Sunday (SU.) Once modified date set, the unit will
automatically calculate the correct start dates in the
future.
Now press MONTH and DATE buttons to modify the
starting DST settings. Pressing D AY changes default
day. EXAMPLE: A screen showing “04:01 SU S” repre
sents April (04), the first week (01), Sunday (SU), and
the Start (S) of daylight savings time.
Press ENTER to save and the display will show:
Now press MONTH and DATE buttons to modify the
ending DST settings. Pressing DAY changes default
day. EXAMPLE: A screen showing “10: L SU E”
represents October (10), the Last week (L), Sunday
(SU), and the End (E) of daylight savings time.
Press ENTER to save and the display will show the
modified DSt starting date.
Press MODE twice to go to step 5.0.
5.0 DUTY CYCLE AND SIGNAL
The Duty Cycle programming mode begins with a
display that shows the ON duration first for Duty Cycle
1 and the OFF duration second. Programming both
ON and OFF will enable the load to repeatedly turn
ON then OFF.
4
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