Intermatic EI500WC 7-Day Digital Time Switch User Manual

1. Okwu mmalite

The Intermatic EI500WC is a 7-day single-pole digital time switch designed for automated control of lights, fans, pumps, and other medium-duty loads. It offers up to 7 ON and 7 OFF operations per week, providing flexibility for energy savings, security, and convenience. This timer is compatible with incandescent, fluorescent, CFL, and LED lighting.

This manual provides detailed instructions for the safe installation, setup, programming, and maintenance of your EI500WC digital time switch.

Figure 1: Intermatic EI500WC Digital Time Switch installed in a standard wall plate.

2. Nchekwa nchekwa

Please read and understand all instructions before installing or operating this device. Failure to follow these instructions may result in electrical shock, fire, or serious injury.

• Ịdọ aka ná ntị: Risk of Electric Shock. Disconnect power at the circuit breaker or fuse box before installation or servicing.
• A ga-arụrịrị nrụnye site n'aka onye ọrụ ọkụ eletrik ruru eru dịka koodu eletriki mpaghara na nke obodo siri dị.
• Do not use this device with loads exceeding its specified electrical ratings.
• Gbaa mbọ hụ na njikọ waya niile echekwara na mkpuchi nke ọma.
• Ngwaọrụ a bụ naanị maka ime ụlọ.

3. Ihe ngwugwu

• Intermatic EI500WC 7-Day Digital Time Switch
• Mkpụrụ Mkpụrụ
• Akwụkwọ ntuziaka (akwụkwọ a)

4. Ngwaahịa gafereview

The EI500WC features a clear digital display and intuitive buttons for programming. The main ON and OFF buttons are visible on the front, while programming buttons are located behind a hinged cover.

Foto 2: N'ihu view of the EI500WC with the programming button cover open, showing CLK, DAY, PROG, RESET, HOUR, MIN, and MODE buttons.

5. Ntuziaka nwụnye

5.1. Ngwa achọrọ

• Screwdriver (Phillips na/ma ọ bụ Flathead)
• Waya Strippers
• Voltage onye nyocha
• Igwe ọkụ eletrik

5.2. Ntuziaka Wiring

1. Gbanyụọ ike: Locate the circuit breaker or fuse that controls the switch you are replacing and turn it OFF. Verify power is off using a voltagọ bụ onye nyocha.
2. Remove old switch: Carefully remove the existing wall plate and switch from the electrical box.
3. Identify wires: The EI500WC requires a neutral wire. Identify the LINE (hot), LOAD, NEUTRAL, and GROUND wires in your electrical box. If a neutral wire is not present, consult a qualified electrician.
4. Jikọọ wires: Use the provided wire nuts to connect the EI500WC wires to your household wiring as shown in the diagram below.
   • Black wire (LINE): Connect to the incoming hot wire from the circuit breaker.
   • Red wire (LOAD): Connect to the wire going to the light fixture or appliance.
   • White wire (NEUTRAL): Connect to the neutral wire (typically white) in the electrical box.
   • Green wire (GROUND): Connect to the bare copper or green ground wire in the electrical box.

Figure 3: Wiring diagram for the EI500WC, showing connections for LINE (Black), LOAD (Red), NEUTRAL (White), and GROUND (Green).

5.3. Ịkwanye

1. Carefully push the wired timer into the electrical box, ensuring wires are not pinched.
2. Secure the timer to the electrical box using the mounting screws.
3. Attach the wall plate (not included) over the timer.
4. Weghachite ike: Gbanye ike ahụ ọzọ na ihe mgbawa sekit ahụ.

6. Mbido Mbido

Mgbe agbanyere ike mbụ ma ọ bụ mgbe agbanyere iketage, the display may show '12:00 AM' and 'MO'. The internal battery maintains settings during brief power interruptions.

6.1. Setting Current Time and Day

1. Open the hinged cover to access the programming buttons (refer to Figure 2).
2. Pịa CLK bọtịnụ. Ngosipụta oge ga-enwu.
3. Pịa Awa button to set the current hour. Observe the AM/PM indicator.
4. Pịa MIN bọtịnụ ka ịtọ nkeji ugbu a.
5. Pịa ỤBỌCHỊ button to set the current day of the week (MO, TU, WE, TH, FR, SA, SU).
6. Pịa CLK again to save the settings and exit time setting mode.

7. Operation and Programming

The EI500WC allows for up to 7 ON and 7 OFF programming events per week. Each event can be set for a specific day or combination of days.

7.1. Setting ON/OFF Programs

1. Mepee mkpuchi mkpuchi.
2. Pịa ỌRỤ button. The display will show '1 ON' and the time will flash.
3. Pịa Awa na MIN to set the desired ON time for program 1.
4. Pịa ỤBỌCHỊ to select the day(s) for this program. Options include individual days, weekdays (MO TU WE TH FR), weekends (SA SU), or all days (MO TU WE TH FR SA SU).
5. Pịa ỌRỤ again. The display will show '1 OFF' and the time will flash.
6. Pịa Awa na MIN to set the desired OFF time for program 1.
7. Pịa ỤBỌCHỊ to select the day(s) for this OFF program (should match the ON program days).
8. Repeat steps 2-7 for additional ON/OFF programs (up to 7 pairs). To skip a program, press ỌRỤ repeatedly until you reach the desired program number or exit programming mode.
9. Pịa CLK to exit programming mode and return to normal operation.

7.2. Random Mode

The random mode feature varies the ON/OFF schedule by a few minutes, providing a 'lived-in' appearance for enhanced security.

• To activate Random Mode: Press the MODE button until 'RDM' appears on the display.
• To deactivate Random Mode: Press the MODE button until 'RDM' disappears.

7.3. Ntugharị akwụkwọ ntuziaka

You can manually turn the connected load ON or OFF at any time without affecting the programmed schedule.

• Pịa nnukwu ON button to manually turn the load ON.
• Pịa nnukwu Gbanyụọ button to manually turn the load OFF.
• The timer will revert to its programmed schedule at the next scheduled ON or OFF event.

8. Nlekọta

8.1. Ozi batrị

The EI500WC includes an internal battery that provides backup power to maintain time and program settings during power outages. This battery is typically long-lasting and not user-replaceable. If the display is blank or settings are lost frequently after power interruptions, the unit may need replacement.

8.2. Nhicha

Clean the surface of the timer with a soft, damp akwa . Ejila ihe nchacha abrasive ma ọ bụ ihe mgbaze.

9. Nchọpụta nsogbu

• Timer display is blank: Ensure power is supplied to the circuit. Check circuit breaker.
• Load does not turn ON/OFF as programmed:
  • Verify current time and day are set correctly.
  • Check that ON/OFF programs are set for the correct times and days.
  • Ensure the timer is not in manual override mode conflicting with the program.
  • Confirm wiring connections are secure.
• Timer loses settings after power outage: The internal backup battery may be depleted. The unit may require replacement.
• bọtịnụ Tọgharia: If the timer behaves erratically, use a pointed object (like a paperclip) to press the recessed Tụgharịa button. This will clear all settings and restore default values, requiring you to re-enter time, day, and programs.

10. Nka na ụzụ nkọwa

11. Akwụkwọ ikike Ozi

Intermatic warrants this product to be free from defects in material and workmanship for a period of one (1) year from the date of purchase. This warranty covers replacement of the unit only and does not include labor costs associated with removal or reinstallation.

This warranty does not apply to defects resulting from improper installation, misuse, abuse, accident, or unauthorized modifications. For warranty service, please contact Intermatic customer support.

12. Nkwado ndị ahịa

If you have any questions regarding the installation, operation, or troubleshooting of your Intermatic EI500WC Digital Time Switch, please refer to the Intermatic website or contact their customer support directly. Always have your model number (EI500WC) available when contacting support.