Otis Singleton
Intermatic timers are devices that can be installed in your home and connected to anything with a power source, such as lights, allowing you to program them to turn on and off at specific times. To set an Intermatic timer, first open the timer's enclosure and locate the yellow clock dial. Rotate the dial until the large arrow points to the current time. Then, loosen the on and off arrows and slide them to your desired times. Once you've set your desired times, tighten the arrows in place and press and hold the on/off button while pressing the reset button with a paperclip. Finally, close the cover over the buttons and your timer should be ready to use.
| Characteristics | Values |
|---|---|
| Types | Analog and Digital |
| Usage | Can be connected to anything with a power source, such as lights, to program them to turn on and off at certain times of day |
| Installation | Wall-mounted, replacing the standard switch that operates lights |
| Features | Mechanical Time Switch models with an all-metal construction |
| Setting the Time | Rotate the clock so the large arrow points to the current time |
| Loosen the "on" and "off" arrows with your fingers or pliers, set the times, then tighten the knobs | |
| Press and hold the "on/off" button and press reset | |
| Slide the control lever to the "On" position and turn the time dial clockwise until you reach the closest half hour to the present time | |
| Press the time dial to set the present time | |
| Rotate the time dial clockwise until the red indicator light comes on ("Automatic" mode) | |
| Trippers | "On" and "Off" trippers are used to determine when the equipment turns on and off |
| The "On" tripper is typically green and the "Off" tripper is typically gold | |
| To set, hold the tripper against the desired time and tighten the tripper screw |
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What You'll Learn
Setting the current time
The Intermatic T100 Series Timer is a heavy-duty time switch mechanism, designed for commercial, industrial, and residential applications. It is simple and straightforward to programme. The hours are not too clearly marked, so take care to set the correct time.
The Intermatic timer has a red lever that can be used to manually override the current setting. If your timer is in "off" mode, you can turn it "on" by flipping the lever to "on". The timer will remain in "on" mode until the timer is manually switched off or the timer "off" tripper comes around.
The "Off" tripper is typically gold and labelled "Off". To set the "Off" tripper, hold the tripper against the desired time and tighten the tripper screw firmly. The Intermatic T100 Series Timer is now programmed.
Close the timer door once you have finished programming.
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Setting the 'on' tripper
Setting the "On" tripper for an Intermatic timer is a straightforward process. First, locate the "On" tripper, which is typically green and labelled "On". If you are having trouble finding it, note that it will be made of metal and will be included with your timer in the box.
Once you have located the "On" tripper, loosen the screw on its face. Do not remove the screw from the tripper. Next, slide the "On" tripper over the desired time on the dial. This is the time you want your timer to start operating the appliance or light that it controls. For example, if you want your pool pump to turn on at 8:00 am, slide the "On" tripper over the number 8 on the dial.
Finally, tighten the screw to hold the "On" tripper in place on the dial. Make sure the screw is tight so that the tripper does not move. And that's it! You have now set the "On" tripper for your Intermatic timer.
If you are having issues with your "On" tripper not staying in place, you may need to adjust the alignment of the timer wheel. To do this, use a pair of pliers to gently bend the timer wheel inwards towards the metal nub. This will ensure that the tripper makes full contact and does not slip past.
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Setting the 'off' tripper
Setting the "Off" tripper on an Intermatic timer can be a straightforward process, but sometimes issues may arise. Here is a step-by-step guide to setting the "Off" tripper, along with troubleshooting advice:
Locating the "Off" Tripper
First, locate the "Off" tripper. It is usually gold or red and will be labelled "Off".
Setting the "Off" Tripper
Hold the "Off" tripper against the desired time on the dial and tighten the tripper screw firmly. This will set the time you want the timer to turn off the appliance or light.
Troubleshooting
If you are having issues with the "Off" tripper not working, there are a few things you can try. First, check that the clock dial is moving. If it is not, your clock motor may not be running, or the clock mechanism may be jammed. You may need to replace the clock motor or mechanism.
Another issue could be with the alignment of the timer wheel and the metal nub. Try bending the timer wheel slightly inwards towards the nub with pliers so that they make full contact.
If the "Off" tripper seems to slip past the switch, try tightening the middle bolt that says "do not unscrew". You can also try unscrewing and moving the tabs and then screwing them down tight.
If none of these solutions work, you may need to replace the timer.
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Resetting the timer
Now, set the current time. Locate the yellow clock dial inside the timer box. There is a silver time pointer on the clock dial that will point to the current time. To set the time, pull the clock dial outward and turn it in either direction to align the exact time of day on the clock dial with the time pointer.
Next, set the "On" and "Off" trippers. The "On" tripper is typically green and labelled "On", while the "Off" tripper is usually gold and labelled "Off". Hold the tripper against the desired time and tighten the tripper screw firmly. Repeat this step for the "Off" tripper.
Finally, press and hold the "On/Off" button and press the reset button with a paperclip. When you are satisfied with the settings, press "Mode" to put the timer back into "Auto" mode, and close the cover over the buttons.
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Troubleshooting
If the dial is turning, but the timer is not turning on or off at the correct times, check that the "on" and "off" arrows are set to the correct times. If the arrows are correct, but the timer is still not functioning properly, the "on/off" switch may be stuck or jammed. Try lubricating the switch with WD-40 and jiggling it on and off.
If the timer is still not working, there may be an issue with the wiring or the device the timer is connected to. Check the wiring diagram on the timer door or the instructions that came with the timer to ensure that the wires are connected correctly. If the wires are correctly connected, there may be an issue with the motor or the wires themselves. In this case, it is recommended to replace the entire timer mechanism.
If none of these troubleshooting steps resolve the issue, it may be necessary to purchase a new Intermatic timer.
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Frequently asked questions
First, set the current time by locating the yellow Clock-Dial inside the timer box and rotating it so that the large arrow points to the current time. Then, loosen the "on" and "off" arrows with your fingers or pliers and slide them to the times you want them to be set at. Finally, tighten the knobs on the "on" and "off" arrows with your fingers.
There are two types of Intermatic timers: analog and digital.
To erase previous timer settings, slide the control lever to the "Off" position. When the red indicator light shuts off, the settings are erased.
