NORLAKE 118429 24 Hour Timer, 240 Volt Instruction Manual

1. Introduction

This manual provides essential information for the safe and effective installation, operation, and maintenance of the Norlake 118429 24 Hour Timer, 240 Volt. This timer is a genuine OEM replacement part designed for commercial foodservice refrigeration systems. Please read this manual thoroughly before installation and use.

2. Safety Information

• Professional Installation: Installation and servicing of this timer should only be performed by qualified personnel.
• Electrical Hazard: Always disconnect power to the equipment before installing, servicing, or performing any maintenance on the timer. Failure to do so can result in serious injury or death.
• Voltage Compatibility: Ensure the timer's voltage rating (240 Volt) matches the electrical supply of the equipment.
• Genuine Parts: Use only genuine OEM parts for safety, reliability, and optimal performance.
• Environmental Conditions: Do not expose the timer to excessive moisture or extreme temperatures outside its operating range.

3. Product Overview

The Norlake 118429 is a robust 24-hour timer designed for precise control in commercial refrigeration applications. It operates on a 240 Volt, 60 Hertz power supply and features multiple terminals for electrical connections. The timer is constructed from durable metal and plastic components, ensuring longevity and reliable performance.

This image displays the Norlake 118429 24 Hour Timer. The timer unit is light gray with multiple metal terminals on one side. Electrical specifications such as '220-240V-AC 60Hz', '21A 250V-AC', '1HP 125V-AC', '2HP 250V-AC', '16A Ballast 120 VAC', and '10A Ballast 277 VAC' are printed on the casing. Terminal numbers 1 through 5 are also visible. The image includes dimension lines indicating a width of 6 inches and a height/depth of 4 inches.

4. Setup and Installation

4.1 Pre-installation Checks

1. Verify that the power supply to the equipment is completely disconnected.
2. Confirm that the voltage rating of the new timer (240 Volt) matches the existing system requirements.
3. Inspect the timer for any visible damage before installation.

4.2 Mounting

Mount the timer securely in the designated location within the equipment's control panel or housing. Ensure it is stable and not subject to excessive vibration.

4.3 Wiring Connections

Refer to the equipment's wiring diagram and the markings on the timer for correct connections. The timer features terminals labeled 1 through 5. The electrical specifications printed on the timer casing are as follows:

• Voltage: 220-240V-AC, 60Hz
• Contact Ratings:
• 21A 250V-AC
• 1HP 125V-AC
• 2HP 250V-AC
• 16A Ballast 120 VAC
• 10A Ballast 277 VAC
• Ensure all connections are tight and secure to prevent loose contacts and potential electrical hazards.
• Observe correct polarity and terminal assignments as per the equipment manufacturer's instructions.

5. Operating Instructions

The Norlake 118429 is a 24-hour mechanical timer. Specific operational details, such as setting the current time and programming ON/OFF cycles, will depend on the design of the timer's face and the pins or segments provided. Generally, operation involves:

1. Setting Current Time: Rotate the outer dial of the timer until the current time aligns with the time indicator arrow or mark.
2. Programming ON/OFF Cycles: Insert or adjust the pins/segments around the dial to define the desired ON and OFF periods. Typically, pins pushed inwards or segments moved to a certain position indicate an ON state, while pins pulled outwards or segments in the opposite position indicate an OFF state.
3. Manual Override (if applicable): Some timers may include a manual override switch to temporarily force the timer to an ON or OFF state, bypassing the programmed schedule. Consult the specific timer's face for this feature.

Once programmed, the timer will automatically cycle the connected equipment according to the set schedule. Always refer to the specific appliance's user manual for detailed instructions on how the timer integrates with its functions.

6. Maintenance

The Norlake 118429 24 Hour Timer is designed for minimal maintenance. However, periodic checks can help ensure its longevity and reliable operation:

• Cleaning: Keep the timer's exterior free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners directly on the timer.
• Connection Inspection: Periodically, with power disconnected, inspect all wiring connections to ensure they remain tight and free from corrosion or wear.
• No User-Serviceable Parts: The internal components of the timer are not user-serviceable. Do not attempt to open or repair the timer yourself.

7. Troubleshooting

If you encounter issues with your Norlake 118429 24 Hour Timer, consider the following troubleshooting steps:

• Timer Not Operating:
  • Ensure the power supply to the equipment is active.
  • Check all wiring connections for tightness and correct installation.
  • Verify that the timer's current time is set correctly and that the manual override (if present) is not engaged.
• Incorrect Timing or Cycles:
  • Re-check the current time setting on the timer.
  • Inspect the ON/OFF pins or segments to ensure they are correctly positioned for the desired schedule.
  • Ensure there are no physical obstructions preventing the dial from rotating freely.
• Connected Appliance Not Responding:
  • Confirm the timer is correctly programmed and operating.
  • Check the appliance's own power supply and controls.
  • Verify the wiring between the timer and the appliance.

If problems persist after performing these checks, contact a qualified service technician for assistance. Do not attempt to repair the timer yourself.

8. Specifications

9. Warranty and Support

For warranty information regarding the Norlake 118429 24 Hour Timer, please refer to the documentation provided with your original equipment or contact Norlake directly. Warranty terms typically cover defects in materials and workmanship under normal use.

For technical support or assistance with installation and troubleshooting, please contact your equipment supplier or a certified refrigeration technician. When contacting support, have your product model number (118429) and any relevant purchase information readily available.