1. Rhagymadrodd
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your Intermatic EI230W Electronic Auto-Off Timer. This device is designed to provide convenient, automatic shut-off for various electrical loads, enhancing energy efficiency and convenience in your home or office.
The EI230W timer offers silent operation and simple push-button controls for preset countdown times, making it an ideal replacement for standard single-pole switches.
2. Gwybodaeth Diogelwch
WARNING: RISK OF ELECTRIC SHOCK. This product requires installation by a qualified electrician or trained personnel. Always turn off power at the circuit breaker or fuse box before installation or servicing.
- Darllenwch yr holl gyfarwyddiadau cyn gosod neu ddefnyddio'r cynnyrch hwn.
- Do not use this timer with loads exceeding its electrical ratings.
- Gwnewch yn siŵr bod yr holl gysylltiadau gwifrau yn ddiogel ac yn cydymffurfio â chodau trydanol lleol a chenedlaethol.
- This device requires a neutral wire for proper operation. If a neutral wire is not present in your switch box, consult a qualified electrician.
- Keep children away from electrical wiring.
3. Cynnyrch Drosview a Nodweddion
The Intermatic EI230W is an electronic in-wall timer designed for ease of use and silent operation. It features a clean white finish to blend with most decor.

Figure 1: Intermatic EI230W Electronic Auto-Off Timer with faceplate.
Nodweddion Allweddol:
- Gweithrediad Syml: Easily select countdown times of 2, 4, 8, or 12 hours with a single button press. No complex programming is required.
- Silent Control: Operates without audible clicking or humming, suitable for quiet environments.
- Cymwysiadau Amlbwrpas: Ideal for controlling indoor and outdoor lighting, bathroom fans, ventilation fans, and other appliances.
- Gosodiad Hawdd: Designed to replace existing single-pole switches. Requires a neutral wire.
- Gorffen Gwyn: Aesthetically designed to integrate seamlessly with standard white wall plates.
4. Gosod a Gosod
Follow these steps carefully to install your Intermatic EI230W timer. If you are unsure about any step, consult a qualified electrician.
Offer Angenrheidiol:
- Sgriwdreifer (Phillips a Flathead)
- Stripwyr Gwifren
- Tâp Trydanol
- Cyftage Profwr
Camau Gosod:
- Diffodd Pŵer: Locate the circuit breaker or fuse that controls the switch you are replacing. Turn off the power completely. Use a voltage tester to confirm that the power is off at the switch box.
- Dileu Switsh Presennol: Carefully remove the wall plate and unscrew the existing switch from the electrical box. Gently pull the switch out of the box.
- Adnabod Gwifrau:
- LINE (Hot) Wire: Typically black, connected to the incoming power.
- LOAD Wire: Typically black, connected to the light or appliance.
- NEUTRAL Wire: Typically white. This timer requires a neutral wire.
- GROUND Wire: Fel arfer copr noeth neu wyrdd.

Ffigur 2: Ochr view of the EI230W timer showing the wiring diagram.
- Wire the Timer: Connect the wires from the wall box to the corresponding wires on the EI230W timer using wire nuts.
- Cysylltwch y DUW wire from the timer to the LINE (Hot) weiren.
- Cysylltwch y COCH wire from the timer to the LLWYTH weiren.
- Cysylltwch y GWYN wire from the timer to the NIWTRAL weiren.
- Cysylltwch y GWYRDD wire from the timer to the DAEAR weiren.

Ffigur 3: Blaen view of the EI230W timer without the faceplate, showing terminals.
- Mount the Timer: Carefully push the wired timer back into the electrical box. Secure it with the provided screws.
- Gosod Wall Plat: Attach the decorative wall plate (not included) over the timer.
- Adfer Pwer: Trowch y pŵer yn ôl ymlaen wrth y torrwr cylched neu'r blwch ffiwsiau.
Fideo Gosod:
Fideo 1: Dros benview of Intermatic In-Wall Timers, including electronic models similar to the EI230W, demonstrating features like single-button operation, silent control, and ease of installation. This video highlights the simplicity of use and installation for electronic countdown timers.
5. Cyfarwyddiadau Gweithredu
The Intermatic EI230W timer is designed for straightforward operation with a single push-button interface.

Figure 4: Front panel of the EI230W timer with time selection buttons.
Gosod yr Amserydd:
- Press the main button repeatedly to cycle through the available countdown times: 2 hours, 4 hours, 8 hours, 12 hours.
- The LED indicator next to the selected time will illuminate, confirming your choice.
- The connected load (light, fan, appliance) will turn on and remain on for the selected duration, then automatically turn off.
"HOLD" Function:
- To keep the connected load on indefinitely, press the button until the "HOLD" indicator lights up. The load will remain on until you manually turn it off or select a countdown time.
Turning Off Manually:
- If a countdown time is active or the timer is in "HOLD" mode, press the button until all LED indicators are off. This will turn off the connected load.
6. cynnal
The Intermatic EI230W Electronic Auto-Off Timer requires minimal maintenance.
- Glanhau: To clean the surface of the timer, use a soft, damp cloth. Do not use abrasive cleaners, solvents, or spray directly onto the unit.
- Arolygiad: Periodically check the timer and wall plate for any signs of damage or loose connections. If any issues are found, turn off the power at the circuit breaker and consult a qualified electrician.
7. Datrys Problemau
If you experience issues with your EI230W timer, refer to the following common problems and solutions:
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Timer does not turn on or operate. | No power to the switch box. Gwifrau anghywir. Cysylltiadau rhydd. | Gwiriwch y torrwr cylched neu'r ffiws. Verify wiring connections according to the installation instructions. Ensure all wires are securely connected. |
| Load does not turn off after selected time. | Timer is in "HOLD" mode. Faulty timer unit. | Press the button until all LEDs are off to manually turn off the load, then re-select a countdown time. Os bydd y broblem yn parhau, cysylltwch â'r tîm cymorth cwsmeriaid. |
| LED indicators are not lighting up. | No power to the timer. Faulty LED. | Check power supply and wiring. If the timer functions but LEDs do not, contact customer support. |
| Timer makes noise during operation. | This electronic timer is designed for silent operation. Any noise indicates a potential issue. | Turn off power immediately and consult a qualified electrician or contact customer support. |
8. manylebau
- Rhif Model: EI230W
- Brand: Rhyngweithiol
- Lliw: Gwyn
- Dimensiynau Cynnyrch: 1.44"D x 1.68"W x 4.13"H
- Pwysau Eitem: 0.34 pwys (tua 5.4 owns)
- Nifer o Gosodiadau: 4 (2, 4, 8, 12 hours)
- UPC: 078275095298
- Gwneuthurwr: Rhyngweithiol
- Cymeradwyaeth: UL (Canada and US)

Figure 5: Dimensions of the EI230W timer.
9. Gwarant
Intermatic products are designed for durability and reliability. For specific warranty information regarding your EI230W Electronic Auto-Off Timer, please refer to the documentation included with your purchase or visit the official Intermatic website. Typically, Intermatic offers a limited warranty covering defects in materials and workmanship under normal use and service.
10. Cefnogaeth
For further assistance, technical support, or to inquire about replacement parts, please contact Intermatic customer service.
- Gwneuthurwr: Rhyngweithiol
- Siop Ar-lein: Visit the Intermatic Store on Amazon
- Please have your model number (EI230W) and purchase date available when contacting support.





