Prime Wire & Cable TNIWP-RC

Prime EZ-Set Indoor Digital In-Wall Timer User Manual

Model: TNIWP-RC

1. Introduction

The Prime EZ-Set Indoor Digital In-Wall Timer (Model TNIWP-RC) is designed to automate the control of indoor lighting and appliances. This programmable timer allows you to set custom ON/OFF schedules or utilize pre-set options, enhancing convenience and energy efficiency in your home. This manual provides detailed instructions for installation, operation, and maintenance of your timer.

2. Safety Information

WARNING: RISK OF ELECTRIC SHOCK. DISCONNECT POWER AT THE CIRCUIT BREAKER OR FUSE BEFORE INSTALLATION.

  • This device is intended for indoor use only.
  • Installation should be performed by a qualified electrician or a person with knowledge of electrical wiring.
  • Ensure all wiring connections are secure and comply with local electrical codes.
  • Do not exceed the maximum electrical ratings of the timer.
  • Keep children away from electrical wiring during installation.

3. Package Contents

  • Prime EZ-Set Indoor Digital In-Wall Timer (TNIWP-RC)
  • Instruction Manual

4. Installation

Follow these steps carefully to install your in-wall timer:

  1. Disconnect Power: Locate the circuit breaker or fuse that controls the power to the switch you are replacing. Turn off the power completely. Verify power is off using a voltage tester.
  2. Remove Existing Switch: Carefully remove the wall plate and unscrew the existing switch from the wall box. Disconnect the wires from the old switch.
  3. Identify Wires: The Prime EZ-Set timer requires Line (Hot), Load, Neutral, and Ground connections. Identify these wires in your wall box. If you are unsure, consult a qualified electrician.

    Prime EZ-Set In-Wall Timer with exposed wiring

    Image 1: Front view of the Prime EZ-Set In-Wall Timer showing the digital display, control buttons, and exposed wiring for installation. The wires are color-coded for easy identification: black (Line), red (Load), white (Neutral), and green (Ground).

  4. Connect Timer Wires: Connect the wires from the wall box to the corresponding wires on the timer using wire nuts:
    • Black wire (Timer) to Line (Hot) wire from wall box.
    • Red wire (Timer) to Load wire (to the light/appliance) from wall box.
    • White wire (Timer) to Neutral wire from wall box.
    • Green wire (Timer) to Ground wire from wall box.
  5. Mount Timer: Carefully push the wired timer into the wall box. Secure it with the provided screws. Attach the wall plate.
  6. Restore Power: Turn the power back on at the circuit breaker or fuse. The timer display should illuminate.

5. Operation

The Prime EZ-Set timer features a digital display and intuitive buttons for programming. Refer to the image below for button identification.

Prime EZ-Set In-Wall Timer with display and buttons

Image 2: Close-up of the Prime EZ-Set In-Wall Timer's front panel, highlighting the digital clock display, 'Custom ON' and 'Custom OFF' buttons, arrow keys for adjustment, and three pre-set schedule buttons ('5am-8am', '5pm-12am', '5pm-8am'), along with the 'ON/OFF' and 'CTD' (Countdown) button.

5.1. Setting Current Time

  1. Press and hold the CLK button (located above the display) until the hour digit flashes.
  2. Use the Up (▲) and Down (▼) arrow buttons to adjust the hour. Pay attention to AM/PM indicator.
  3. Press CLK again to move to the minute digit. Use the arrow buttons to adjust minutes.
  4. Press CLK one more time to save the current time.

5.2. Programming Custom ON/OFF Schedules

The timer allows for custom daily ON and OFF times.

  1. Set Custom ON Time:
    • Press and hold the Custom ON button until the hour digit flashes.
    • Use the Up (▲) and Down (▼) arrow buttons to set the desired ON hour (AM/PM).
    • Press Custom ON again to move to the minute digit. Use arrow buttons to set minutes.
    • Press Custom ON one more time to save.
  2. Set Custom OFF Time:
    • Press and hold the Custom OFF button until the hour digit flashes.
    • Use the Up (▲) and Down (▼) arrow buttons to set the desired OFF hour (AM/PM).
    • Press Custom OFF again to move to the minute digit. Use arrow buttons to set minutes.
    • Press Custom OFF one more time to save.

5.3. Using EZ-SET Presets

The timer includes three pre-programmed schedules for quick setup:

  • 5am-8am: Activates the connected device from 5:00 AM to 8:00 AM daily.
  • 5pm-12am: Activates the connected device from 5:00 PM to 12:00 AM daily.
  • 5pm-8am: Activates the connected device from 5:00 PM to 8:00 AM daily.

To activate a preset, simply press the corresponding button. The timer will automatically follow that schedule.

5.4. ON/OFF / CTD Button

  • Manual ON/OFF: Press the ON/OFF button to manually turn the connected device ON or OFF, overriding the current program. The timer will resume its program at the next scheduled event.
  • Countdown (CTD): Press and hold the CTD button to activate the countdown function. Use the arrow keys to set a countdown duration (e.g., 1 hour, 30 minutes). The device will turn OFF after the countdown expires.

6. Maintenance

To ensure optimal performance and longevity of your timer:

  • Clean the timer's surface with a soft, dry cloth. Do not use abrasive cleaners or solvents.
  • Ensure the timer is not exposed to excessive moisture or extreme temperatures.
  • No user-serviceable parts are inside. Do not attempt to open the timer casing.

7. Troubleshooting

ProblemPossible CauseSolution
Timer display is blank.No power to the timer.Check circuit breaker/fuse. Verify wiring connections are secure.
Device does not turn ON/OFF at programmed times.Incorrect time setting or program. Manual override active.Verify current time and programmed schedules. Ensure no manual override is active (press ON/OFF button to clear).
Timer is not responding to button presses.Temporary malfunction.Disconnect power at the circuit breaker for 5 minutes, then restore power. Reprogram the timer.

8. Specifications

FeatureDetail
Model NumberTNIWP-RC
ColorWhite
Indoor/Outdoor UseIndoor
Amperage15 Amps
ProgrammableYes
Number of Settings5 (Custom ON/OFF + 3 Presets)
MaterialPlastic
Product Dimensions5.3"D x 8.2"W x 3.3"H
Item Weight4.6 ounces
UPC054732828951

9. Warranty Information

This product comes with a warranty. For specific details regarding the warranty period and terms, please refer to the documentation included with your purchase or contact Prime Wire & Cable customer support.

10. Customer Support

If you have any questions, require assistance with installation, or need troubleshooting support, please contact Prime Wire & Cable customer service. Refer to the product packaging or the manufacturer's official website for contact information.

Related Documents - TNIWP-RC

Preview Prime TNI2412 24-Hour Outlet Timer: User Manual and Specifications
User manual and specifications for the Prime TNI2412 24-Hour Outlet Timer. Learn how to set up, program, and safely use your electrical timer for home automation.
Preview Prime EZ-Set Indoor Digital Timer TNIDP12: User Manual and Programming Instructions
User manual and instructions for the Prime EZ-Set Indoor Digital Timer (Model TNIDP12). Learn how to program custom on/off times, use preset options, countdown features, and understand safety guidelines and warranty information.
Preview Prime EZ-Set Indoor Digital Timer Model TNIDP12 User Manual
User manual and specifications for the Prime EZ-Set Indoor Digital Timer, Model TNIDP12. Includes programming instructions, safety information, FCC/IC regulatory statements, and a limited 1-year warranty.
Preview PRIME EZ-SET 24-HOUR DIGITAL TIMER (Model #TNIDEZ1) - Instruction Manual
Instruction manual for the PRIME EZ-SET 24-HOUR DIGITAL TIMER (Model #TNIDEZ1), covering programming, features, troubleshooting, safety, specifications, and warranty information.
Preview Prime TNI2412 24-Hour Indoor Electromechanical Timer: User Manual & Specifications
Detailed instructions, safety information, specifications, and warranty details for the Prime TNI2412 24-Hour Indoor Electromechanical Timer. Learn how to set ON/OFF times, current time, and bypass functions.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.