Intermatic ML900TW 900-Watt Power Pack with Timer and Ground Shield User Manual

1. Introducció

The Intermatic ML900TW is a 900-Watt power pack designed for low-voltage lighting systems. It converts standard 120-volt AC household current to 12-volt AC, suitable for landscape lighting. This unit features an integrated timer with ground shield for automated operation and enhanced safety. It is built for durability and ease of installation, providing a reliable power source for your outdoor lighting needs.

2. Informació de seguretat

• Always disconnect power at the circuit breaker before installing or servicing the power pack.
• This unit is designed for outdoor use and features weather-resistant housing. Ensure all connections are secure and protected from moisture.
• No supereu la potència nominal màximatage of 900 Watts. Overloading the unit can cause damage or create a fire hazard.
• Assegureu-vos de posar a terra correctament per evitar descàrregues elèctriques.
• Mantingueu els nens i les mascotes allunyats de la unitat durant el funcionament.
• Refer to local electrical codes for specific installation requirements.

3. Contingut del paquet

Verifiqueu que tots els components siguin presents abans de començar la instal·lació:

• Intermatic ML900TW 900-Watt Power Pack
• Escut de terra
• 2 Sets of Trippers (for timer programming)
• Manual d'instruccions (aquest document)

4. Característiques del producte

• 900-watt power capacity for controlling extensive lighting systems.
• Converts 120-volt AC to 12-volt AC power.
• Automatic multiple on/off timer for scheduled operation.
• Interruptor manual de control temporal.
• Weather-resistant housing for outdoor durability.
• Includes three independent 300-watt circuits.
• Keyhole mountings for easy installation.

5. Configuració i instal·lació

5.1 Mounting the Power Pack

The ML900TW features keyhole mountings on the back for secure wall mounting. Choose a suitable outdoor location that is protected from direct heavy rain and accessible for wiring and programming. Ensure the mounting surface is sturdy enough to support the unit's weight (approximately 29.8 pounds).

Imatge: Frontal view of the Intermatic ML900TW Power Pack, showing the timer dial and output terminals.

5.2 Connexions elèctriques

1. Potència d'entrada: Connect the 120-volt AC input power supply to the designated terminals inside the power pack. Ensure the power is OFF at the circuit breaker before making any connections.
2. Potència de sortida: Connecteu el vostre baix voltage landscape lighting cables to the 12-volt AC output terminals. The ML900TW includes three independent 300-watt circuits, allowing for flexible wiring of your lighting zones. Distribute the load evenly across the circuits to prevent overloading.
3. Posada a terra: Ensure the unit is properly grounded according to local electrical codes. The included ground shield should be installed as per instructions to enhance safety.

6. Funcionament

6.1 Configuració del temporitzador

The ML900TW features an automatic multiple on/off timer. Use the provided trippers to set your desired ON and OFF times. Insert the ON trippers at the times you want your lights to turn on, and the OFF trippers at the times you want them to turn off. The timer dial typically rotates over a 24-hour period.

• Rotate the timer dial clockwise to align the current time with the indicator arrow.
• Insert the 'ON' trippers into the dial at the desired activation times.
• Insert the 'OFF' trippers into the dial at the desired deactivation times.
• Ensure trippers are securely seated.

6.2 Anulació manual

A manual override switch is provided to temporarily bypass the timer settings. This allows you to turn the lights ON or OFF independently of the programmed schedule. Return the switch to the 'AUTO' position for timer operation to resume.

7. Manteniment

The Intermatic ML900TW is designed for minimal maintenance. Periodically inspect the unit and wiring for any signs of damage, wear, or loose connections. Ensure the weather-resistant housing remains sealed and free from cracks. Clean the exterior with a damp drap segons calgui. No utilitzeu productes de neteja abrasius ni dissolvents.

8. Solució De Problemes

• Els llums no s'encenen: Check the power supply at the circuit breaker. Verify all wiring connections are secure. Ensure the timer is set correctly and the manual override switch is not in the 'OFF' position. Check for blown bulbs in your lighting system.
• El temporitzador no funciona: Ensure the timer dial is rotating. Check that the trippers are correctly inserted and making proper contact. If the timer mechanism appears stuck or unresponsive, the unit may require professional inspection.
• Soroll de brunzit: A slight hum is normal for transformers. However, if the hum is excessively loud or accompanied by unusual smells, immediately disconnect power and inspect for internal damage or loose components.
• Unit overheating: Assegureu-vos el wat totaltage of connected lights does not exceed 900 Watts. Check for short circuits in the low-voltage wiring. Ensure adequate ventilation around the power pack.

9. Especificacions

10. Garantia i Suport

The Intermatic ML900TW Power Pack is backed by a 6-year limited warranty. For warranty claims or technical support, please contact Intermatic customer service. Keep your purchase receipt as proof of purchase.