1. Nhanganyaya
This manual provides detailed instructions for the installation, setup, operation, and maintenance of the Intermatic EI600LAC 7-Day Astronomic Single-Pole/3-Way Time Switch. This digital timer is designed to control indoor lighting and other loads, offering programmable ON/OFF events based on time and astronomic settings (sunrise/sunset).
Zvinokosha:
- 7-Day Astronomic Timing: Automatically adjusts events based on sunrise and sunset.
- Up to 40 ON/OFF operations per week.
- Single-Pole and 3-Way switch applications.
- No Neutral Wire required for installation.
- Memory guard protects against power failure.
- Factory-supplied CR2 lithium battery provides up to three years of time keeping without AC power.
- CFL compatible.
2. Safety Information
WARNING: Risk of Electric Shock. May cause serious injury or death. Turn power OFF at circuit breaker before installing unit.
- Installation should be performed by a qualified electrician or a person with knowledge of electrical wiring.
- Ita shuwa kuti mitemo yese yemagetsi yemuno neyemunyika ino yatevedzwa.
- Do not exceed the maximum load ratings of the switch.
- Nguva dzose dzima magetsi pa circuit breaker kana pa fuse box usati watanga chero basa remagetsi.
3. Package Zviri mukati
Ona kuti pasuru yako ine zvinhu zvinotevera:
- Intermatic EI600LAC Time Switch (Light Almond)
- CR2 Lithium Battery (pre-installed)
- Bhuku reMirayiridzo
4. Kuiswa
The EI600LAC can be installed in both single-pole and 3-way wiring configurations. It does not require a neutral wire.
4.1 Wiring Diagrams
Refer to the included wiring diagrams for specific connections. Ensure all connections are secure and insulated.
4.2 Kuiswa
- After wiring, carefully push the time switch into the wall box.
- Secure the switch to the wall box using the provided screws.
- Attach the decorative wall plate (not included) over the switch.

Figure 1: Intermatic EI600LAC Time Switch with a standard wall plate.

Mufananidzo 2: Mberi view of the time switch, showing the digital display and the lower flap.

Mufananidzo 3: Angled view of the time switch, highlighting its compact design.
5. Setup
After installation and restoring power, the time switch will require initial setup.
5.1 Nguva Yekutanga uye Kuronga Zuva
Follow the on-screen prompts to set the current time and date. The device automatically adjusts for Daylight Savings Time.
5.2 Location Setting (Astronomic Feature)
The astronomic feature requires setting your general location. This allows the timer to calculate local sunrise and sunset times for automatic adjustments.
6. Operating the Time Switch
The time switch features a digital display and hidden programming buttons located behind a lower flap.

Figure 4: The time switch with its lower flap open, showing the 'mode', 'on/off', '+' and '-' buttons for programming.
6.1 Manual ON/OFF Control
Press the visible ON/OFF button on the lower part of the switch to manually turn the connected load on or off. This acts as a temporary override to programmed settings.
6.2 Kuronga Zviitiko zveKUBVISA/KUDZIMA
To access programming buttons, gently pull down the lower flap of the switch. You will find buttons for 'mode', 'on/off', '+' and '-'.
- Press the 'mode' button to enter programming mode.
- Use the '+' and '-' buttons to navigate through program numbers (up to 40 available).
- Each ON event and each OFF event is a separate program. For example, Program 01 can be an ON time, and Program 02 can be an OFF time. They are independent.
- Select a program number, then use the 'on/off' button to designate it as an ON or OFF event.
- Set the desired time and days for each event using the '+' and '-' buttons.
- Repeat for all desired ON and OFF events.
- To exit programming mode, press the 'mode' button until the normal time display returns.
7. Kuchengeta
7.1 Kutsiviwa kwebhatiri
The time switch uses a CR2 lithium battery for timekeeping during power outages. The battery is designed to last approximately three years. When the battery is low, a low battery indicator may appear on the display. To replace the battery:
- Turn off power to the switch at the circuit breaker.
- Remove the wall plate and carefully pull the switch out of the wall box.
- Locate the battery compartment, typically on the side or back of the unit.
- Replace the old CR2 battery with a new one, observing polarity.
- Reinstall the switch and wall plate, then restore power.
8. Kugadzirisa matambudziko
- Chiratidziro hachina chinhu kana kuti hachipinduri: Check power at the circuit breaker. Ensure the CR2 battery is installed correctly and has sufficient charge.
- Load does not turn ON/OFF as programmed:
- Verify that the ON and OFF events are programmed correctly and assigned to separate program numbers.
- Check that the current time and date are set accurately.
- Ensure the astronomic settings (location) are correct if using sunrise/sunset functions.
- Confirm the manual override is not active.
- Difficulty fitting into wall box: The unit may be thicker than standard switches. Ensure sufficient space in the electrical box.
- Switch feels loose or wobbly: Ensure mounting screws are tightened securely.
9. Zvinotsanangurwa
| Tsanangudzo | Value |
|---|---|
| Model Number | EI600LAC |
| Brand | Intermatic |
| Current Rating | 20 Amps |
| Kushanda Voltage | 120 Volts (AC) / 277 Volts (AC) |
| Wattage | 5540 watts |
| Circuit Type | 3-nzira |
| Contact Type | Kazhinji Open |
| Connector Type | Screw Terminals |
| Zviyero (L x W x H) | 1.81 x 1.75 x 4.13 inches |
| Item Weight | 7.4 ounces |
| Bhatiri Type | 1 CR2 Lithium battery (included) |
| International Protection Rating | IP54 |
| Color | Chiedza Almond |

Mufananidzo 5: Rutivi view of the time switch, displaying maximum load ratings and certifications.

Figure 6: Dimensional drawing of the time switch, indicating its length, width, and depth.
10. Warranty uye Tsigiro
10.1 Ruzivo rweWaranti
The Intermatic EI600LAC Time Switch comes with a 1-year warranty. This warranty covers replacement of the unit but does not include labor costs for removal or reinstallation.
10.2 Mutengi Tsigiro
For technical assistance or warranty claims, please contact Intermatic customer support. Refer to the official Intermatic websaiti kana chigadzirwa kurongedza kune yazvino yeruzivo ruzivo.





