No: 24301 – 11/16 rev. 1
Catalog Number • Numéro de Catalogue • Número de Catálogo: RT-100
Country of Origin: Made in China • Pays d'origine: Fabriqué en Chine • País de origen: Hecho en China
The RT-100 is a time switch that turns OFF the connected light or fan (load) when the selected
time expires. While the switch is OFF the pilot light behind the ON/OFF button illuminates and
"OFF" appears in the display. When the switch is ON, the display shows the amount of time the
load will remain ON.
For times up to 59 minutes and 59 seconds, the display shows a blinking colon between the
minutes and seconds while the seconds count down continuously. For times between 1 hour and
12 hours, the display shows a blinking colon between the hours and minutes and the minutes
portion of the display changes only once a minute. See Fig. 1.
The RT-100's lighted alphanumeric display is also used for programming functions. With the
programming functions, you can decide:
• Delay – the amount of time the switch remains ON with the initial press of the ON/OFF
button.
• Sound – whether the switch beeps for each button press and every 5 seconds for 1 minute
before it turns OFF.
• Flash – if the lights flash to warn you that they are going to turn OFF. When Delay is set for
10 minutes or more, lights flash once at 5 minutes and once at 1 minute before turning OFF.
When Delay is set for 5 minutes or less, lights flash once 1 minute before turning OFF.
Manual ON
When you press the ON/OFF button, it activates the Delay timer. If you want to keep the switch
ON for a time different from what is programmed, simply press and hold the ON/OFF button until
the display shows the desired time. When you let go of the button the switch turns ON.
Manual OFF
While the switch is ON and the timer is running, press the ON/OFF button to turn OFF the
connected load without delay.
Changing the amount of time: At any time, you can press and hold the ON/OFF button for 1 second to restart the timer. It goes
immediately to the programmed Delay time; if you need a different amount of time, keep holding the button for at least 2 seconds. Hold
the button until the display shows the desired time. Releasing the button starts the timer countdown.
Wattstopper
Programmable Countdown Time Switch
Installation Instructions • Instructions d'Installation • Instrucciones de Instalación
DESCRIPTION AND OPERATION
®
SPECIFICATIONS
Voltage .......................................................................120VAC, 60HZ
Load (Single Pole Circuit)
Incandescent or fluorescent lamp .......................... 0 - 600 Watt
Fan motor ........................................................................1/6HP
Time Delay ...................................................... 5 minutes to 12 hours
Environment ............................................................. Indoor use only
Operating Temperature ......................32° to 104°F (0° to 40°C)
Humidity ............................................95% RH, non-condensing
Tools Needed
Insulated Screwdriver
Wire Strippers
Timer Countdown
Since the time-out period can be set
for 5 minutes to 12 hours, the time is
displayed in two different ways. For a
countdown of less than an hour, the
display shows minutes:seconds. The
seconds count down continuously. For
a countdown of more than an hour,
the display shows hours:minutes, the
colon flashes every second, and the
display changes every minute..
Seconds
Minute
Elapsed
Countdown
Countdown
:01
:02
:03
Figure 1
Hour
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