ET724 Electronic In-Wall Timer
Operating Instructions
STEP #1 – Installation Procedure:
1. Wire in accordance with National and Local Electrical Codes.
2. This device requires installation by a license electrician or qualified
professional. Use of voltage detector
3. Turn power OFF at Circuit Breaker or Fuse Box.
4. Remove and disconnect the existing switch.
5. Connect ET724 wire leads to LOAD as indicated.
6. Restore power at Circuit Breaker.
7. Verify slide switch is set to TIMER.
or meter is recommended.
STEP #2 – Power Up Sequence:
1. Lift up the bottom of the door using a small slotted screwdriver.
2. Position the slide switch to TIMER.
3. Press the "RESET" button using a paper clip.
4. The display should flash 12:00AM on Monday.
In the event that the screen is blank, check the following:
1. The OFF/TIMER switch located at the bottom may be in the OFF
position. Slide it to the TIMER position using a small screwdriver.
2. Check LOAD connected to the ET724.
3. Check the 120VAC power source.
STEP #3 – Setting Current Time:
1. Press and HOLD the “CLOCK” key during this entire procedure.
2. Press the “HOUR” key to advance the hours.
3. Press the “MIN” key to advance the minutes.
4. Press the “DAY” key to advance the day.
5. If any keys are pressed for a prolonged period, the display wil
advance rapidly.
6. Release the “CLOCK” key once the time and day have been
entered. Now the timer is in operation and ready to be program
The colon “:” after the hours will continuously flash indicating that the
time is advancing.
l
med.
120VAC Hot
Neutral
*Note: ET724 white wire
must be connected to
Neutral. If Neutral is not
available connect to
Ground.
BLACK
*WHITE
RED
Ground
(GRN/YEL)
Electrical Ratings:
120VAC 60Hz
15A Resistive
15A Tungsten
1HP
*When done
programming, close
door
Load
Lights
Fans
Motor
Etc.
STEP #4 – Programming ON/OFF Events:
1. Press the “PROG” key once. TIMER 1 ON －－：－－ appears.
2. Using the “HOUR” and “MIN” keys enter the desired ON time. It is
necessary to press “MIN” at least once to
(ex. 9:00 AM). By default all days are indicated. When complete
press the PROG key once.
3. Timer OFF --:
enter the desired OFF time. It is necessary to press “MIN” at least
once to display “OO” for
are indicated. When complete press the PROG key once.
4. If complete press the “CLOCK” key to return to cur
5. Note that a total of 7-ON and 7-OFF events can be program
Block Programming:
1. When program
default. To change the day selection simply keep pressing the Day
key and the display will change as follows:
2. Individual Day (MON, TUE, etc.)
3. MON~FRI; SAT~SUN; MON~SAT; MON~SUN
4. MON-WED-FRI; TUE-THU-SAT
5. MON~WED; THU~SAT
6. Follow the steps above to complete program
Reviewing Programs:
1. To review the programs that have been entered simply press and
release the PROG key. Each time you do this you wil
scroll thru the programs.
2. Any program can be edited simply by pressing the HOUR, MIN, and
DAY keys. Then press the PROG key in order to accept the
changes.
3. When complete press the “CLOCK” key to return to cur
day.
-- will be displayed. Using the “HOUR” and “MIN” keys
minutes (ex. 5:00 PM). By default all days
ming ON/OFF events, all days are indicated by
display “OO” for minutes
rent time and day.
med.
ming.
l be able to
rent time and
Deleting Programs:
To delete a particular program simply press the PROG key until the
desired program is displayed. Then press the HOUR and MIN keys
until --:
-- is displayed. Then press the PROG key in order to delete
this particular p
return to cur
Manual Over
Pressing the ET724 will alternate the unit ON or OF
Initial Startup:
When you initially program the unit it
manual override key as the unit will not look back to determine if it
should be ON. For example if the cur
just programmed the unit to turn ON at 1:00PM, you will need to
press the manual over
resume normal operation (automatic).
MEMORY BACKUP:
The ET724 is equipped with a rechargeable Ni-Mh battery which will
protect your programs during power failure for up to 30 days.
No need to replace battery.
Note that the screen blanks during a power failure.
Disable Function:
The ET724 has a disable function whereby the programs do not
execute. Its ideal during Holidays of vacation period where the unit is
not to perfo
rogram. When complete press the “Clock” key to
rent time and day.
ride:
F.
may be necessary to press the
rent time is 2:00PM and you
ride key to turn it ON. Thereafter, the unit will
rm any function. Simply slide bottom slide switch of OFF.
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