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Install jumper only if timer input
and load voltage are the same
Timer Power
1
2
3
4
L2/N
Line 1
Load
120/208/240/277 VAC Input
Line
1
FIG. 5b
DT104 configured for 2 SPST
loads with jumper set to IND
Timer Power
1
2
3
4
Powering the Time Switch
Line 2
1. Remove the battery case by sliding it down as shown
Line 1
Line 1
by the arrows, then install two AAA alkaline batteries.
Line 2
Make sure the batteries are pointing in the direction
240 VAC Input
Install jumper only if timer input
shown in FIG. 6.
and load voltage are the same
Note: Replace batteries every 2-3 years with two AAA
industrial-grade alkaline nonrechargeable 1.5 V
Timer Power
1
batteries. You do not need to remove the Time
2
3
4
Switch or field wiring in order to replace the
L2/N
batteries.
Line 1
Load
2. Verify that the display is ON to make sure the batteries
120/208/240/277 VAC Input
Line
1
are OK. If the display shows scrambled information,
press the RESET button to clear it up.
3. Apply power to the Time Switch.
Proceed to the Initial Setup section.
INITIAL SETUP
Overview
Upon first use, you must set the Date and Time before you can program any other settings.
If you make a mistake during any of the programming steps,
press the MODE button to cycle through the Time Switch
menus until you locate the error and then correct the entry.
Setting the Date
1. Press the MODE button repeatedly until the words
SET and DATE appear in the upper area of the display.
See FIG. 7.
2. Press the + or – buttons to enter the current Month.
3. Press the ENTER/NEXT button to save the month.
4. Repeat steps 2 and 3 to set the Date and Year.
5. Press the MODE button to exit and advance to the
Setting the Time section.
Setting the Time
1. If necessary, press the MODE button repeatedly until
the words SET and CLOCK appear in the upper area of
the display. See FIG. 8.
2. Press the + or – buttons to enter the current time.
Note: To go from AM to PM, keep pressing the + or – buttons
to cycle through the day. You can hold the + or – buttons
down for 3 seconds to make the time scroll quickly.
3. Press the MODE button to finish and proceed to the
Programming section.
IDIGITAL — 24-Hour Digital Time Switch
ON
OFF
Timer Power
5
6
Line 2
Line 1
Load
1
2
Line
240 VAC Input
2
FIG. 5c
Timer Power
5
6
L2/N
Line 1
120/208/240/277 VAC Input
Load
5
6
Load
1
2
Line
2
1
2
3
4
5
Line 1
Line 2
Load
Install jumper only if timer input
and load voltage are the same
DT104 configured for 240VAC DPST
load with jumper set to SIM
1
2
3
4
5
Note: You must reset the Time Switch using this procedure
whenever you change the jumpers described in
FIG. 2 (SIM/IND/PUL or DST). To reset the Time
Load
Switch, press and hold the ENTER button, then
1
press the RESET button. The screen will flash 12:00
AM, and the Time Switch status is Manual Mode.
MODE
RESET
Clear Mem
Year
Date
Month
Time
3
Install jumper only if timer input
and load voltage are the same
Timer Power
6
1
2
L2/N
Line 1
120/208/240/277 VAC Input
FIG. 5d
DT104 configured for DPST loads with
jumper set to SIM
6
Load
2
–
ENTER
ON /
ON /
NEXT
+
OFF
OFF
Clear Entry
BATTERY
FIG. 6
Inserting the Batteries
MODE
SET
DATE
ENTER
RESET
+
NEXT
Clear Mem
FIG. 7
Setting the Date
MODE
SET
CLOCK
ENTER
RESET
NEXT
+
Clear Mem
FIG. 8
Setting the Time
Load
3
4
5
6
Load
Load
1
2
Line
Line
1
2
Battery Cover
1.5 V
1.5 V
AAA BATTERY
AAA BATTERY
–
ON /
ON /
OFF
OFF
Clear Entry
AM
PM
–
ON /
ON /
OFF
OFF
Clear Entry
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