Tork EWZ103 Manual: A Comprehensive Guide
This manual provides detailed instructions for the Tork EWZ103 digital timer‚ covering installation‚ programming‚ troubleshooting‚ and its integration within the Tork ecosystem.
The Tork EWZ103 is a versatile astronomic digital timer designed for a wide range of applications‚ including outdoor signage‚ HVAC systems‚ and general lighting control. This 7-day‚ 1-channel DPST time switch offers precise scheduling capabilities‚ leveraging astronomic functions to automatically adjust on/off times based on sunset and sunrise. It’s a key component within the broader Tork ecosystem‚ known for workplace hygiene solutions.
This manual will guide you through every aspect of the EWZ103‚ ensuring optimal performance and integration.
What is the Tork EWZ103?
The Tork EWZ103 is a 2-pole astronomic digital timer‚ operating at 120/277V with a 30A current rating. It’s a DPST (Double Pole Single Throw) time switch‚ meaning it can control two circuits simultaneously. Designed for applications like outdoor signs and HVAC‚ it utilizes astronomic timekeeping to automatically adjust schedules based on sunrise and sunset.
As part of the Tork family‚ it embodies reliability and efficiency‚ offering a convenient solution for automated control within various environments.
Key Features and Specifications
The Tork EWZ103 boasts 7-day programming schedules and an astronomic function for automated time adjustments. It features a 1-channel DPST contact type‚ suitable for diverse control needs. Operating at 120/277V with a 30A current rating‚ it’s versatile for various applications.
Key features include manual override functionality and a non-cancelable‚ non-returnable (NCNR) policy. Its plastic housing ensures durability‚ and readily available datasheets and CAD models facilitate integration.

Understanding the Applications of the EWZ103
The EWZ103 timer excels in controlling outdoor signage‚ heating/cooling systems‚ and general lighting‚ offering automated scheduling for energy efficiency and convenience.
Outdoor Signage Control
The Tork EWZ103 is ideally suited for automating outdoor signage‚ ensuring illumination coincides with desired hours. Utilizing astronomic functions‚ the timer adjusts automatically to sunset and sunrise times‚ eliminating manual adjustments. This feature is particularly beneficial for businesses wanting to attract attention during specific periods.
Programmed schedules can also be customized for special events or promotions. Reliable operation‚ even in varying weather conditions‚ makes the EWZ103 a robust solution for controlling illuminated signs‚ enhancing visibility and maximizing advertising impact. The DPST contacts handle the necessary load for most signage applications.
Heating and Air Conditioning Systems
The Tork EWZ103 timer offers precise control for heating and air conditioning systems‚ optimizing energy usage and reducing costs. Programmed schedules allow for setback temperatures during unoccupied periods‚ like nights or weekends. The astronomic function automatically adjusts schedules based on changing sunrise and sunset times‚ ensuring optimal comfort.
Its 30A current rating and 120/277V compatibility make it suitable for a wide range of HVAC equipment. Reliable operation and 7-day programming capabilities provide flexible and efficient climate control‚ enhancing building comfort and lowering operational expenses.
General Lighting Applications
The Tork EWZ103 digital timer is ideal for controlling various lighting applications‚ including indoor and outdoor fixtures. Utilize its 7-day programming to create customized lighting schedules for security‚ ambiance‚ or energy conservation. The astronomic function automatically adjusts on/off times based on sunset and sunrise‚ eliminating manual adjustments.
With a 30A capacity and versatile voltage rating (120/277V)‚ it supports diverse lighting loads. Benefit from reduced energy consumption and enhanced safety through automated lighting control‚ simplifying operations and lowering utility bills.
Installation and Wiring
Proper installation ensures safe and reliable operation of the Tork EWZ103 timer. Always adhere to safety precautions and consult the wiring diagram for correct connections.
Safety Precautions Before Installation
Crucially‚ disconnect power at the breaker before commencing any wiring. Verify the power is off with a suitable testing device. Installation should only be performed by qualified personnel adhering to all local and national electrical codes. Ensure the timer is installed in a dry location‚ protected from the elements and excessive moisture. Improper wiring or installation can lead to electrical shock or fire hazard. Always use appropriately sized wiring for the 30A current rating. Double-check all connections for tightness and secure mounting to prevent accidental dislodgement. Failure to follow these precautions voids any warranty.
Wiring Diagram and Connections (120/277V)
The EWZ103 operates on 120/277V AC. Connect the Line (Hot) wire to the ‘L’ terminal‚ Neutral to ‘N’‚ and the Load wires to the DPST (Double Pole Single Throw) terminals. Ensure proper grounding by connecting the ground wire to the grounding screw. Important: The DPST contacts handle switching both the hot legs of the power supply. Verify voltage compatibility before connecting. Incorrect wiring can damage the timer and connected equipment. Refer to the included datasheet for a detailed wiring diagram illustrating these connections clearly.
Mounting Instructions
The Tork EWZ103 timer is designed for surface mounting. Select a dry‚ indoor location‚ protected from direct sunlight and extreme temperatures. Use appropriate screws (not included) to securely attach the timer to a standard electrical box or flat surface. Ensure sufficient space around the unit for wiring and ventilation. Avoid mounting near heat sources or flammable materials. The plastic enclosure is unplated and gray. Confirm the mounting surface can support the timer’s weight before installation for safe and reliable operation.

Programming the Tork EWZ103
This section details how to access and navigate the programming mode‚ set the current time‚ and configure sunset/sunrise times for automated control.
Accessing the Programming Mode
To enter the programming mode on your Tork EWZ103 timer‚ begin by pressing the “MODE” button. Repeatedly pressing “MODE” will cycle through the available settings: CLK (Clock)‚ SUN (Sunset/Sunrise)‚ and PROG (Program). Continue pressing “MODE” until the display shows the desired programming function. The display will then indicate which parameter—HOUR or MIN—is currently adjustable. Ensure the unit is powered on before attempting to access programming functions for optimal performance and accurate settings.
Setting the Clock (HOUR‚ MIN)
After accessing CLK mode‚ use the “HOUR” and “MIN” buttons to adjust the current time. Pressing “HOUR” will allow you to set the hour‚ while pressing “MIN” will enable minute adjustment. Each press of these buttons increments the respective value. Ensure you set the correct time format (12 or 24 hour) as configured within the timer’s settings. Accurate timekeeping is crucial for proper operation of scheduled events and astronomic functions. Double-check the displayed time before exiting CLK mode.
Programming Sunset/Sunrise Times
The EWZ103 utilizes astronomic calculations to determine local sunset and sunrise times based on your geographical location. Access the programming mode and navigate to the sunset/sunrise settings. The timer automatically adjusts these times daily‚ eliminating manual updates. Ensure your location settings are accurate for precise operation. This feature is ideal for outdoor lighting control‚ synchronizing illumination with natural daylight patterns. Verify the calculated times against local astronomical data for optimal performance and energy savings.

Advanced Programming Options
Explore 7-day schedules‚ the astronomic function for automatic time adjustments‚ and a manual override for temporary control‚ enhancing the EWZ103’s versatility.
7-Day Programming Schedules
The Tork EWZ103 allows for highly customized control with its 7-day programming capability. Users can define unique on/off schedules for each day of the week‚ catering to diverse operational needs. This feature is ideal for applications requiring varied timing‚ such as outdoor signage or lighting systems with weekend adjustments. Programming involves setting specific times for events to occur‚ offering granular control over device operation. This flexibility ensures energy efficiency and optimized performance‚ adapting to changing schedules and demands throughout the week‚ maximizing convenience and savings.
Using the Astronomic Function
The EWZ103’s astronomic function automatically adjusts on/off times based on calculated sunrise and sunset times for your location. This eliminates the need for manual adjustments due to seasonal changes‚ ensuring lights or signage activate at the appropriate times year-round. To utilize this‚ the timer requires location data‚ which is typically set during initial programming. This feature provides significant convenience and energy savings‚ optimizing operation based on natural daylight patterns‚ offering a truly “set it and forget it” solution for outdoor applications.
Manual Override Functionality
The Tork EWZ103 features a manual override function‚ allowing temporary control beyond the programmed schedule. This is useful for situations requiring immediate activation or deactivation‚ such as unexpected events or maintenance needs. The override can typically be set to remain active until the next scheduled event or for a specified duration. Engaging the override temporarily suspends the programmed schedule‚ providing flexible control while ensuring a return to normal operation. This feature enhances usability and adapts to unforeseen circumstances‚ maximizing control over connected devices.

Troubleshooting Common Issues
This section addresses typical problems with the Tork EWZ103‚ including power failures‚ incorrect time displays‚ and programming errors‚ offering solutions for quick resolution.
Timer Not Turning On
If the Tork EWZ103 fails to power on‚ first verify the power source is active and supplying the correct voltage (120/277V). Check the wiring connections to ensure they are secure and properly installed according to the wiring diagram. Inspect the fuse or circuit breaker associated with the timer’s power supply; a tripped breaker or blown fuse will prevent operation.
Confirm the timer isn’t in a programmed “off” cycle. A reset to factory defaults might resolve internal issues‚ but will erase existing programming. If problems persist‚ consult a qualified electrician for assistance‚ as improper handling can be hazardous.
Incorrect Time Display
An inaccurate time display on the Tork EWZ103 usually indicates the clock hasn’t been properly set. Access the programming mode and carefully re-enter the current hour and minute using the HOUR and MIN buttons. If utilizing the astronomic function‚ ensure the correct latitude and longitude are programmed for accurate sunset/sunrise calculations.
Verify the timer isn’t affected by external electromagnetic interference. A power cycle (turning the timer off and on) can sometimes resolve minor display glitches. If the issue continues‚ consider a factory reset‚ remembering it will clear all programmed settings.
Programming Errors
If encountering programming errors with the Tork EWZ103‚ double-check each setting entered. Ensure schedules don’t overlap‚ creating conflicting commands. When using 7-day programming‚ verify each day’s settings are correct. If the astronomic function is active‚ confirm accurate location data.
A factory reset can resolve persistent errors‚ but will erase all existing programs. Refer to the manual for reset procedures. If errors persist after resetting‚ contact Tork support for assistance‚ providing details about the error and programming steps taken.

Tork Ecosystem and Related Products
Explore the Tork range‚ including Xpressnap dispensers‚ Vision Cleaning solutions‚ and the Tork Global platform‚ enhancing hygiene and efficiency.
Tork Xpressnap Dispenser System
The Tork Xpressnap system is uniquely designed to minimize napkin waste‚ offering a cost-effective and environmentally conscious solution for businesses. Beyond consumption reduction‚ it features a distinctive digital marketing capability. Users can effortlessly create and share promotional messages instantly via social media platforms‚ or conveniently print and display them directly on the dispenser’s AD-a-Glance advertising panels. This innovative feature transforms a simple necessity into a powerful branding and communication tool‚ enhancing customer engagement and maximizing marketing impact within dining and hospitality environments.
Tork Vision Cleaning Solutions
Tork Vision Cleaning represents a cutting-edge‚ data-driven approach to maintaining hygiene standards. Built upon extensive experience in delivering cleaning solutions globally‚ this digital system continuously optimizes cleaning resource allocation. By leveraging data insights‚ Tork Vision ensures efficient and effective cleaning protocols. It delivers continuous improvement‚ reducing waste and enhancing overall cleanliness. This proactive system allows businesses to monitor‚ analyze‚ and refine their cleaning processes‚ ultimately contributing to a healthier and more welcoming environment for all.
Tork Global Platform
Tork Connect has evolved into the new and improved Tork Global platform‚ offering enhanced features and a streamlined user experience. This platform serves as a central hub for managing hygiene solutions‚ providing valuable insights and control. It facilitates efficient resource allocation and supports data-driven decision-making. Tork Global empowers businesses to optimize their operations‚ reduce waste‚ and improve overall hygiene performance. Accessing this platform unlocks a world of possibilities for creating a cleaner‚ safer‚ and more sustainable environment.

Technical Specifications in Detail
The EWZ103 operates at 120/277V‚ handles 30A current‚ and features DPST contacts‚ ensuring reliable control for various applications and installations.
Voltage Rating (120/277V)
The Tork EWZ103 digital timer is designed with a versatile voltage rating of 120/277V‚ accommodating a wide range of electrical systems commonly found in commercial and industrial settings. This dual voltage capability simplifies installation and reduces the need for separate timers for different voltage requirements.
This flexibility makes the EWZ103 suitable for diverse applications‚ including outdoor signage‚ HVAC control‚ and general lighting. Ensure the supply voltage matches the timer’s specifications before installation to prevent damage and ensure optimal performance. Proper voltage selection is crucial for safe and reliable operation.
Current Rating (30A)
The Tork EWZ103 digital timer boasts a robust current rating of 30 Amperes (30A)‚ enabling it to effectively control substantial electrical loads. This capacity makes it ideal for applications demanding higher power control‚ such as outdoor lighting systems‚ heating elements‚ and larger HVAC components.
However‚ it’s crucial to verify that the connected load does not exceed this 30A limit to prevent overloading and potential damage to the timer or connected equipment. Always consult electrical codes and safety guidelines during installation and operation.
Contact Type (DPST)
The Tork EWZ103 utilizes a Double Pole‚ Double Throw (DPST) contact configuration. This means it features two independently controlled sets of contacts‚ allowing it to simultaneously switch two separate circuits or a single 240V circuit. The DPST design enhances safety and provides greater flexibility in controlling electrical loads.
This contact type is particularly beneficial for applications requiring isolation between the load and the control circuit‚ ensuring reliable and secure operation. It’s a key feature for diverse control needs.

Datasheets and CAD Models
Access comprehensive technical information‚ including the EWZ103 datasheet and CAD models‚ to facilitate seamless integration into your projects and designs.
Downloading the EWZ103 Datasheet
The EWZ103 datasheet provides in-depth technical specifications‚ wiring diagrams‚ and performance characteristics crucial for proper implementation. This document details the voltage rating of 120/277V‚ the 30A current rating‚ and the DPST contact type. It’s a vital resource for engineers and installers. You can easily download the datasheet from the Tork website‚ ensuring you have the most current information available. Accessing this document guarantees a thorough understanding of the timer’s capabilities and limitations‚ leading to successful project outcomes and adherence to safety standards.
Accessing CAD Models for Integration
For seamless integration into your designs‚ Tork provides CAD models of the EWZ103 timer. These models‚ available for download on the Tork website‚ allow for accurate placement and visualization within your projects. Utilizing CAD models streamlines the design process‚ minimizing potential fitment issues and ensuring efficient installation. They are compatible with various CAD software packages‚ facilitating easy incorporation into electrical schematics and physical layouts. Proper integration is key to maximizing the timer’s functionality and maintaining a professional‚ polished final product.

Warranty and Support Information
The Tork EWZ103 operates under a Non-Cancelable Non-Returnable (NCNR) policy. For assistance‚ or questions‚ please directly contact Tork support for prompt resolution.
Non-Cancelable Non-Returnable (NCNR) Policy
Please be aware that all sales of the Tork EWZ103 digital timer are final and operate under a strict Non-Cancelable Non-Returnable (NCNR) policy. This means that orders cannot be canceled once placed‚ and returns are not accepted for any reason.
This policy is in effect due to the specialized nature of the product and efficient order processing. Carefully review the product specifications and ensure it meets your requirements before completing your purchase. Any discrepancies or concerns should be addressed with Tork support before placing your order.
Contacting Tork Support
For any questions‚ concerns‚ or assistance regarding the Tork EWZ103 digital timer‚ please reach out to Tork Support. While specific contact details aren’t explicitly provided in the available information‚ Tork is a leading global brand in workplace hygiene.
Visit the Tork website or the Tork Better Business Center to locate the appropriate support channels‚ including phone numbers‚ email addresses‚ or online chat options. Ensure you have your product model number (EWZ103) readily available for efficient assistance.

The Tork Better Business Center
This resource offers expert advice on Healthcare‚ Foodservice‚ Office‚ and other industries‚ providing tips and best practices for optimal hygiene solutions.
Resources for Healthcare
Healthcare facilities demand stringent hygiene standards‚ and Tork provides solutions to meet those needs. Explore resources focused on infection control‚ patient experience‚ and operational efficiency. Discover best practices for washroom management‚ hand hygiene promotion‚ and surface disinfection. Learn how Tork’s systems‚ including potentially utilizing timers like the EWZ103 for lighting or equipment control‚ contribute to a safer and more welcoming environment for patients and staff. Access whitepapers‚ case studies‚ and expert insights tailored specifically for the healthcare sector‚ improving overall cleanliness and well-being.
Resources for Foodservice
Foodservice operations require efficient and hygienic solutions to maintain customer satisfaction and comply with regulations. Tork offers resources addressing quick-service restaurants‚ casual dining‚ and catering environments. Explore best practices for restroom management‚ table service‚ and back-of-house hygiene. Discover how optimized napkin dispensing with Tork Xpressnap‚ and potentially timed lighting via the EWZ103‚ can reduce waste and improve operational efficiency. Access guides on food safety‚ cleaning protocols‚ and creating a positive dining experience for your patrons‚ boosting profitability and brand reputation.