Intermatic EC210WK

Intermatic EC210WK Countdown Timer User Manual

Model: EC210WK

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your Intermatic EC210WK Countdown Timer. This device is designed to provide silent, timed control for various electrical loads, enhancing energy savings and convenience in your home or office.

The EC210WK offers selectable countdown times of 10, 20, 30, and 60 minutes, along with a "HOLD" function for continuous operation. It is suitable for controlling indoor and outdoor lighting, bathroom and exhaust fans, and other energy-consuming appliances.

2. Important Safety Information

WARNING: Risk of electric shock. Improper installation can lead to serious injury or death. Always turn off power at the circuit breaker or fuse box before installing or servicing this device. Installation should be performed by a qualified electrician or in accordance with local electrical codes.

3. Package Contents

Verify that all components are present before beginning installation:

Note: A wall plate is sold separately and is not included with this unit.

4. Installation

4.1 Tools Required

4.2 Wiring Diagram and Connections

The EC210WK timer requires a neutral wire for proper operation. Ensure your electrical box has a neutral wire available. Refer to the wiring diagram below for correct connections.

Back view of Intermatic EC210WK timer showing wiring connections
Image 1: Rear view of the EC210WK timer with pre-stripped wires and a clear wiring diagram label. The label indicates connections for Black (Hot), Green (Ground), Red (Load), and White (Neutral).
  1. Turn off Power: Locate the circuit breaker controlling the switch you are replacing and turn it OFF. Verify power is off using a voltage tester.
  2. Remove Old Switch: Carefully remove the existing wall plate and unscrew the old switch from the electrical box. Disconnect the wires from the old switch.
  3. Identify Wires:
    • Black Wire: Connects to the incoming 120 VAC HOT line.
    • White Wire: Connects to the NEUTRAL line.
    • Red Wire: Connects to the LOAD (the appliance or light fixture).
    • Green Wire: Connects to the GROUND wire.
  4. Connect New Timer: Using wire nuts (not included), connect the wires from the EC210WK timer to the corresponding wires in the electrical box.
    • Timer's Black wire to House Hot wire.
    • Timer's White wire to House Neutral wire.
    • Timer's Red wire to House Load wire.
    • Timer's Green wire to House Ground wire.
  5. Mount Timer: Carefully fold the wires into the electrical box, ensuring no wires are pinched. Secure the timer to the electrical box using the provided screws.
  6. Install Wall Plate: Attach a standard decorator-style wall plate (not included) over the timer.
  7. Restore Power: Turn the power back ON at the circuit breaker.

5. Operation

The Intermatic EC210WK timer features five push buttons for selecting countdown durations and a "HOLD" function.

Front view of Intermatic EC210WK timer with wall plate
Image 2: Front view of the EC210WK timer installed in a wall plate, showing the 60 MIN, 30 MIN, 20 MIN, 10 MIN, and HOLD buttons.
  1. Selecting a Countdown Time: Press the desired time button (10 MIN, 20 MIN, 30 MIN, or 60 MIN). The corresponding LED indicator will illuminate, and the connected load will turn ON for the selected duration. The load will automatically turn OFF when the countdown expires.
  2. "HOLD" Function: Press the "HOLD" button to keep the connected load ON continuously. The "HOLD" LED indicator will illuminate. To exit the "HOLD" function, press any of the countdown time buttons, or press the "HOLD" button again to turn the load OFF.
  3. Canceling a Countdown: To turn OFF the connected load before the countdown expires, press the currently active countdown button again, or press the "HOLD" button (which will then require a second press to turn off if the load was already on).

6. Maintenance

The Intermatic EC210WK Countdown Timer requires minimal maintenance.

7. Troubleshooting

If you experience issues with your EC210WK timer, refer to the following common problems and solutions:

ProblemPossible CauseSolution
Timer does not turn ON.No power to the timer; incorrect wiring; tripped circuit breaker.Check circuit breaker. Verify wiring connections (Hot, Neutral, Load, Ground). Ensure power is restored.
Load does not turn OFF after countdown.Timer is in "HOLD" mode; internal malfunction.Press the "HOLD" button to disengage. If issue persists, contact customer support.
LED indicators do not light up.No power; faulty unit.Check power supply and wiring. If power is present and wired correctly, the unit may be faulty.
Timer makes noise.This timer is designed for silent operation. Noise indicates a potential issue.Immediately turn off power at the circuit breaker and contact customer support.

8. Specifications

Technical specifications for the Intermatic EC210WK Countdown Timer:

9. Warranty and Support

Warranty: This Intermatic EC210WK Countdown Timer is covered by a 1-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.

Customer Support: For technical assistance, warranty claims, or further information, please contact Intermatic customer service. Refer to the official Intermatic website for current contact details.

Please retain your proof of purchase for warranty purposes.

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