Intermatic EJ500 Timer Instructions: A Comprehensive Guide
Welcome! This detailed guide provides comprehensive instructions for installing, programming, and operating the Intermatic EJ500 Indoor Wall Switch Timer, featuring its astronomic capabilities.
The EJ500 replaces standard or 3-way switches, controlling incandescent and fluorescent lights with ease, offering scheduling and override functionalities for convenience.
The Intermatic EJ500 Indoor Wall Switch Timer represents a significant upgrade for home and building automation, offering precise control over lighting and other electrical loads. This digital timer seamlessly replaces existing standard or 3-way light switches, bringing advanced scheduling and energy-saving features to your fingertips.
Designed for ease of use, the EJ500 boasts an intuitive interface and a robust set of functionalities, including manual override, astronomic time settings, and daylight saving time adjustment. It’s ideal for automating lights, fans, or other devices, enhancing security and reducing energy consumption.
This guide will walk you through every step, from initial installation and setup to advanced programming techniques, ensuring you maximize the benefits of your new Intermatic EJ500 timer. Understanding its capabilities will allow you to create customized schedules tailored to your lifestyle and needs.
What is the Intermatic EJ500?
The Intermatic EJ500 is a sophisticated digital wall switch timer designed to automate the control of lighting and other electrical devices within residential and commercial settings. It’s a direct replacement for conventional single-pole or 3-way switches, offering a significant upgrade in functionality and convenience.
Unlike traditional mechanical timers, the EJ500 utilizes digital programming to create precise on/off schedules. A standout feature is its Astronomic function, which calculates sunrise and sunset times based on your location, automatically adjusting schedules throughout the year. This eliminates the need for manual adjustments due to changing seasons.
The timer supports both incandescent and fluorescent lighting, and its user-friendly interface allows for easy programming of multiple schedules, manual overrides, and daylight saving time adjustments. It’s a versatile solution for enhancing security, conserving energy, and simplifying daily routines.
Key Features of the EJ500 Timer
The Intermatic EJ500 boasts several key features that distinguish it from standard timers. Its primary strength lies in the Astronomic function, automatically adjusting schedules based on sunrise and sunset times, eliminating manual updates. The digital display provides clear, at-a-glance information regarding the current time, day, and programmed schedules.
Programming is simplified through an intuitive interface, allowing users to create multiple on/off schedules tailored to specific needs. A prominent Manual Override button enables instant control, bypassing programmed settings when desired. The timer also accommodates Daylight Saving Time adjustments, ensuring accurate timekeeping year-round.
Furthermore, the EJ500 supports both single-pole and 3-way switch configurations, offering flexibility during installation. Its compact design fits seamlessly into standard wall plates, maintaining a clean aesthetic. Wiring distance limits of 100 feet must be observed during installation.
Installation Guide
Carefully follow these instructions for safe and effective installation of your Intermatic EJ500 timer, ensuring proper wiring and adherence to all safety precautions.
Safety Precautions Before Installation
Prioritize safety! Before commencing installation of the Intermatic EJ500 timer, always disconnect power to the circuit at the breaker or fuse box to prevent electrical shock. Verify the power is off using a non-contact voltage tester.
This timer is designed for indoor use only; do not expose it to moisture or extreme temperatures. Ensure your hands are dry during installation and operation. If you are uncomfortable working with electrical wiring, consult a qualified electrician.
The distance between the timer and any remote switches must not exceed 100 feet, and wiring should never be buried underground. Improper wiring can create a fire hazard or damage the timer. Always adhere to local electrical codes and regulations during installation.
Double-check all connections before restoring power, and use only the specified battery types (LR44, SR44, A76, or equivalent) for optimal performance.
Tools Required for Installation
To ensure a smooth and safe installation of your Intermatic EJ500 timer, gather the following tools beforehand. A screwdriver (both flathead and Phillips head) is essential for removing the existing switch and connecting the timer’s wiring.
Wire strippers are crucial for preparing the wire ends for secure connections. A non-contact voltage tester is vital to confirm the power is completely off before you begin working with the wires. Pliers may be helpful for bending or manipulating wires.
Electrical tape is recommended for insulating connections if needed, and a level can ensure the timer is mounted straight. A pencil for marking wire locations and a flashlight can be useful in dimly lit areas. Finally, have the appropriate replacement wall plate screws readily available.
Installing the Timer with a Single Switch Setup
First, turn off the power to the circuit at the breaker box. Verify the power is off using a non-contact voltage tester. Carefully remove the existing wall switch, noting the wire connections. Typically, you’ll find a hot wire, a neutral wire, and a load wire.
Connect the wires to the EJ500 timer according to the wiring diagram included in the manual. The common wire usually connects to the “Line” terminal, the load wire to “Load,” and the neutral wire to the neutral terminal. Securely tighten all connections.
Gently push the timer into the wall box, ensuring no wires are pinched. Mount the timer using the provided screws and attach the wall plate. Restore power at the breaker and proceed to the initial setup and programming steps.
Installing the Timer with a 3-Way Switch Setup
Begin by switching off the circuit breaker supplying power to both 3-way switches. Carefully remove both existing switches, meticulously noting the wire connections at each location – traveler wires, common wire, and neutral wire. The wiring differs significantly from a single switch setup.
Connect the wires to the EJ500 timer, referencing the specific 3-way wiring diagram in the user manual. Typically, the common wire connects to the “Line” terminal, and the traveler wires connect to the designated traveler terminals. Ensure the neutral wire is securely connected.
Mount the timer in the wall box, ensuring wires aren’t pinched, and attach the wall plate. Restore power at the breaker. Test the functionality by operating both switch locations. If issues arise, double-check all wiring connections against the diagram.
Wiring Considerations & Distance Limits
Crucially, the Intermatic EJ500 timer’s wiring differs from conventional toggle switches, demanding careful attention to the provided diagrams. Always disconnect power at the breaker before commencing any wiring work. Use appropriately sized wire for the circuit’s amperage, adhering to local electrical codes.
A vital limitation is the maximum distance between the timer and any remote switches – it must not exceed 100 feet. Furthermore, wiring to these remote switches cannot be buried underground; it must be run through conduit or other approved methods.
Ensure all wire connections are secure and properly insulated. Loose connections can cause malfunctions or pose a fire hazard. If you are uncomfortable with electrical work, consult a qualified electrician for assistance. Ignoring these guidelines can compromise safety and timer functionality.
Initial Setup & Programming
Begin by installing batteries (LR44, SR44, A76, or equivalent) to initialize the display, which should flash 12:00 AM in MANual mode for programming.
Battery Installation & Display Initialization
Commencing with the setup, battery installation is the crucial first step to bring your Intermatic EJ500 timer to life. The timer requires batteries to maintain its programmed settings and power the digital display. Specifically, you’ll need to utilize type LR44, SR44, A76, or an equivalent battery size – ensuring a reliable power source for optimal performance.
Once the batteries are correctly installed, the display should automatically initialize. This process is indicated by the display flashing “12:00 AM” in MANual mode. This flashing signifies that the timer is ready for initial programming and time/date setting.
Important Note: If the display fails to flash “12:00 AM” after battery installation, it strongly suggests the batteries are either dead or improperly installed. Before proceeding with any further installation steps, replace the batteries with a fresh set and re-check the connection. A functioning display is essential for successful timer operation.
Setting the Current Time and Date
After successful battery installation and display initialization (indicated by the flashing “12:00 AM” in MANual mode), setting the correct time and date is paramount for accurate scheduling. The Intermatic EJ500 allows for precise timekeeping, ensuring your lights and appliances operate as intended. Refer to the complete user manual for detailed, step-by-step instructions specific to your model.
Typically, this involves using the ‘Set’ or ‘Mode’ button to navigate through the time, hour, minute, month, day, and year settings. Each adjustment is usually made by pressing the up or down arrow buttons, or similar controls, to increment or decrement the values.
Confirm each setting by pressing the ‘Set’ or ‘Enter’ button to move to the next parameter. Accurate time and date configuration are fundamental to the timer’s functionality, enabling reliable scheduling and astronomic feature operation.
Understanding Manual Mode
Manual Mode on the Intermatic EJ500 provides immediate, on-demand control of the connected load, overriding any programmed schedules. This is particularly useful for temporary lighting needs or when deviating from the established routine. When activated, the timer functions like a standard switch, directly controlling the power to the connected device.
To engage Manual Mode, typically, you’ll press the large lower button on the timer face. The display will usually indicate “MAN” or a similar designation to confirm manual operation. Pressing the same button again will toggle the load on or off.
Remember that in Manual Mode, the programmed schedules are temporarily suspended. The timer will revert to scheduled operation at the next scheduled event or after a power cycle;
Programming Schedules
Schedule creation is central to the EJ500’s functionality, allowing precise control over lighting. Users can define on/off times, utilize the astronomic feature, and manage multiple schedules.
Creating a Basic On/Off Schedule
To establish a fundamental on/off schedule with your Intermatic EJ500 timer, begin by entering the programming mode. Navigate through the menu using the buttons, selecting the “Schedule” option. You’ll then be prompted to choose a day or a group of days for the schedule to apply to – options typically include weekdays, weekends, or individual days.
Next, set the desired “On” time by adjusting the hour and minute. Confirm this setting, and then proceed to define the “Off” time using the same method. The timer will automatically activate the connected light or device at the specified “On” time and deactivate it at the “Off” time, repeating this cycle daily according to your chosen schedule.
Remember to save your schedule after setting both times. You can review and modify existing schedules at any time through the programming menu, ensuring your lighting aligns perfectly with your needs and preferences. This basic scheduling feature provides a foundation for more advanced programming options.
Using the Astronomic Feature
The Intermatic EJ500’s astronomic feature automatically adjusts on/off times based on your location’s sunrise and sunset, eliminating the need for manual adjustments throughout the year. To activate this, enter the programming mode and select the “Astronomic” option. You’ll be prompted to enter your city or zip code; the timer uses this data to calculate accurate sunrise and sunset times.
You can then define an “Offset” – a number of minutes before or after sunrise/sunset that you want the light to turn on or off. A positive offset delays the activation, while a negative offset advances it. The timer will then automatically calculate and implement the schedule, adapting to changing daylight hours.
This feature is ideal for outdoor lighting, providing illumination when needed most. Ensure your location information is accurate for optimal performance. The astronomic function significantly enhances convenience and energy efficiency.
Setting Multiple Schedules
The Intermatic EJ500 allows for programming several distinct on/off schedules, offering flexibility for varied lighting needs. To create additional schedules, access the programming mode and navigate to the schedule selection option. You can typically assign each schedule to specific days of the week, or create unique schedules for each day.
Within each schedule, define multiple on/off events. For example, you might set one schedule for weekday mornings and another for weekend evenings. The timer stores these schedules independently, activating them based on the current day and time;
Carefully review each schedule to avoid conflicts. Utilize the timer’s display to verify the programmed settings. Multiple schedules maximize the EJ500’s functionality, enabling customized lighting control for diverse applications.
Advanced Features & Settings
Explore the EJ500’s advanced settings, including Daylight Saving Time adjustments, manual override options, and temporary schedule overrides for enhanced control and customization.
Daylight Saving Time Adjustment
The Intermatic EJ500 timer automatically adjusts for Daylight Saving Time (DST) when properly configured. This feature ensures accurate timekeeping and schedule execution throughout the year, minimizing the need for manual adjustments. The timer utilizes pre-programmed DST rules based on your location.
To verify DST settings, access the settings menu via the timer’s interface. While the EJ500 generally handles DST automatically, it’s prudent to confirm the settings are correct, especially after changes to DST regulations. Ensure the correct time zone is selected, as this impacts DST calculations.
If manual adjustment is necessary (though uncommon), consult the full user manual for detailed instructions. Incorrect DST settings can lead to schedules running an hour ahead or behind, impacting the intended operation of your connected lights or devices. Regularly checking these settings guarantees optimal performance.
Manual Override Functionality
The Intermatic EJ500 offers a convenient manual override function, allowing you to temporarily control the connected load independent of the programmed schedule. This is achieved using the large lower button on the timer faceplate. Pressing this button instantly turns the load ON or OFF, overriding any existing schedule.
The override status is clearly indicated on the display, typically with an “ON” or “OFF” symbol. This ensures you’re aware the timer isn’t operating according to its programmed settings. The override remains active until the next scheduled event or until you manually revert to scheduled operation.
This feature is ideal for situations requiring immediate control, such as unexpected events or personal preference. It provides flexibility without requiring schedule reprogramming. Remember to check the display to confirm whether the timer is in scheduled or override mode for consistent operation.
Temporary Schedule Override
The EJ500 timer provides a temporary schedule override, differing from the full manual override. This feature allows you to bypass the programmed schedule for a defined period, after which the timer automatically reverts to its normal operation. This is useful for short-term adjustments without altering the long-term schedule.
To activate a temporary override, access the programming mode and select the override duration. Options typically include hours or days. Once set, the timer will ignore scheduled events for the specified timeframe, maintaining the currently active state (ON or OFF).
The display will indicate the remaining override time, providing a clear visual cue. Upon expiration, the timer seamlessly resumes its programmed schedule, ensuring consistent and automated control. This feature offers a balance between immediate control and long-term automation.
Troubleshooting Common Issues
Facing problems? This section addresses frequent concerns like a non-responsive display, schedule deviations, and wiring difficulties, offering solutions for optimal EJ500 performance.
Display Not Working
A blank display is a common issue, often easily resolved. First, verify battery functionality. The Intermatic EJ500 utilizes LR44, SR44, A76, or equivalent batteries; if the display doesn’t flash 12:00 AM, replace them immediately before proceeding with installation.
Ensure proper battery installation, checking for correct polarity. If new batteries don’t solve the problem, inspect the wiring connections. A loose or incorrect wire can prevent the display from powering on. Double-check all connections against the installation diagrams.
Consider the installation environment. Extreme temperatures or humidity could potentially affect the display’s operation. If the issue persists after these checks, consult the full user manual or contact Intermatic support for further assistance, as it may indicate a more significant internal problem.
Timer Not Following Schedule
If the EJ500 isn’t adhering to your programmed schedule, several factors could be at play. First, reconfirm the schedule settings. Carefully review each on/off time and day selection to ensure accuracy. Accidental misprogramming is a frequent cause of this issue.
Check for manual overrides. The large lower button activates manual control, which bypasses the programmed schedule. Ensure it isn’t inadvertently engaged. Also, verify Daylight Saving Time settings are correct, as incorrect settings will shift the schedule.
Inspect the wiring for any loose connections; A faulty connection can disrupt the timer’s operation. Finally, confirm the current time and date are accurately set, as the schedule relies on this information. If problems persist, reset the timer to factory defaults and reprogram.
Wiring Problems & Solutions
Incorrect wiring is a common issue with the Intermatic EJ500. Ensure all connections match the diagrams for single or 3-way switch setups. Double-check the neutral wire – a missing or loose neutral can prevent operation. Remember, the distance between the timer and remote switches must not exceed 100 feet, and wiring should not be buried.
If the display doesn’t work after installation, verify battery polarity and replace if necessary (LR44, SR44, A76, or equivalent). Loose wire nuts are another frequent culprit; tighten them securely. If using a 3-way setup, confirm the traveler wires are connected correctly.
Always disconnect power at the breaker before inspecting or modifying wiring. If unsure, consult a qualified electrician to avoid electrical hazards and ensure proper functionality.
Resources & Documentation
Access the complete EJ500 User Manual in PDF format for detailed guidance. For further assistance, contact Intermatic Support directly for expert help and troubleshooting.
Downloading the EJ500 User Manual (PDF)
Need a comprehensive reference guide? You can easily download the official Intermatic EJ500 User Manual in PDF format for offline access. This manual contains detailed instructions covering every aspect of the timer, from initial installation and wiring diagrams to advanced programming techniques and troubleshooting steps.
The PDF document provides a thorough explanation of all features, including the astronomic function, manual override options, and daylight saving time adjustments. It also includes helpful illustrations and diagrams to guide you through the setup process. Accessing the manual ensures you have all the information needed to maximize the functionality of your EJ500 timer.
Find the downloadable PDF through Intermatic’s official website or via a direct link often provided on support pages dedicated to the EJ500 series. Having this resource readily available will simplify any questions or issues you may encounter during operation.
Intermatic Support Contact Information
Experiencing difficulties or require personalized assistance? Intermatic offers several avenues for customer support regarding your EJ500 timer. Their dedicated support team can help with installation questions, programming challenges, troubleshooting issues, or any other concerns you may have.
You can typically find contact information – including phone numbers and email addresses – on the official Intermatic website within the support or contact us sections. Many resources, like FAQs and knowledge base articles, are also available online to address common inquiries.
For direct assistance, consider calling their customer service hotline during business hours. Be prepared to provide your timer’s model number (EJ500) and a detailed description of the problem. Intermatic is committed to ensuring a positive user experience with their products.