1. Úvod
This manual provides essential instructions for the safe installation, operation, and maintenance of your Malibu ML121RT 121 Watt Low Voltage Power Pack Transformer. This unit is designed to convert standard household voltage to a safe low voltage for outdoor landscape lighting systems. Please read this manual thoroughly before installation and retain it for future reference.
The Malibu ML121RT features a durable, water-resistant housing with a black matte finish, a manual geared timer, and a manual on/off override switch, providing reliable control for your outdoor lighting.
2. Důležité bezpečnostní pokyny
VAROVÁNÍ: RIZIKO POŽÁRU. Read all installation instructions before wiring. Failure to follow these instructions may result in fire, electrical shock, or serious injury.
- Use 16 AWG MINIMUM low voltage outdoor cable.
- Do NOT mix solid and stranded type wires under one screw.
- Do NOT place insulation under terminal plate.
- Pevně utáhněte šrouby svorek.
- Po instalaci zkontrolujte připojení.
- Only use up to a total lamp cotage 121 wattů.
- Add all lamp cotages up to or less than a maximum of 121 watts.
- Ensure the lid is closed and the transformer is mounted on a wall, away from sprinklers, as per manufacturer instructions, to maintain water resistance.
- This transformer is for outdoor use only.
- Neponořujte transformátor do vody.
- Disconnect power at the source before servicing or making any adjustments.

Obrázek 2.1: Zadní view of the transformer, highlighting the wiring compartment and critical safety warning label regarding wiring and wattage limity.
3. Konec produktuview
The Malibu ML121RT transformer is designed for reliable operation of low voltage outdoor lighting. Key components include:
- Odolné bydlení: Black matte finish, water-resistant.
- Volič časovače: Geared timer for setting automatic on/off cycles.
- Přepínač ručního ovládání: Allows for immediate on/off control, bypassing the timer.
- Nízký objemtagTerminály: For connecting low voltagkabely pro krajinářské osvětlení.
- Napájecí kabel: For connecting to a standard 120V AC outdoor GFCI outlet.

Obrázek 3.1: Nahoře view of the Malibu ML121RT transformer, showcasinjeho kompaktní design a branding.

Obrázek 3.2: Boční profíkfile of the Malibu ML121RT transformer, showing its robust casing.
4. Nastavení a instalace
4.1 Montáž transformátoru
- Select a suitable outdoor location for mounting the transformer. It should be mounted on a wall, away from direct water spray from sprinklers, and in a location that allows the lid to be fully closed.
- The transformer has three mounting holes on the back. Note that only the two holes on the left are active for mounting; the rightmost hole is inactive.
- Use the provided mounting screws to securely attach the transformer to the wall. Ensure it is level and firmly fixed.
4.2 Wiring the Low Voltage Kabel
Before wiring, ensure the transformer is NOT plugged into a power outlet.
- Prepare your 16 AWG (minimum) low voltage outdoor cable. Strip approximately 3/8 inch (9.5 mm) of insulation from the ends of the cable.
- Najděte nízký objemtage terminal screws inside the wiring compartment of the transformer (refer to Figure 2.1).
- Insert one stripped end of the low voltage cable under each terminal screw. Ensure that no insulation is caught under the terminal plate.
- Firmly tighten the terminal screws to secure the wires. Do not overtighten.
- Verify that the connections are secure and that there are no loose strands of wire.
- Connect your low voltage landscape lights to the other end of the cable, ensuring the total wattage of all connected lamps does not exceed 121 watts.
5. Provoz
5.1 Nastavení časovače
The ML121RT features a manual geared timer for automatic operation. The transformer comes with one set of trippers.

Obrázek 5.1: Detailní view of the timer dial and manual override switch.
- Nastavit aktuální čas: Rotate the outer dial clockwise until the current time aligns with the "TIME OF DAY" arrow. The dial is marked with AM/PM indicators.
- Insert Trippers: Insert the provided trippers into the slots on the timer dial at the desired ON and OFF times. Typically, one tripper is for ON and another for OFF.
- Ověřit nastavení: Ensure the trippers are securely in place and correspond to your desired lighting schedule.
5.2 Manual On/Off Override
The transformer includes a manual override switch, typically located near the timer dial (refer to Figure 5.1). This switch allows you to turn the lights on or off immediately, bypassing the programmed timer settings. Return the switch to the "Timer" position for automatic operation.
6. Údržba
- Čištění: Periodically wipe the exterior of the transformer with a damp hadříkem odstraňte nečistoty a usazeniny. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
- Zavírání víka: Always ensure the transformer lid is securely closed to maintain its water-resistant properties.
- Kontrola elektroinstalace: Annually inspect the low voltage wiring connections for corrosion or looseness. Tighten terminal screws if necessary.
- Wattage Zkontrolujte: If adding or removing lights, re-calculate the total wattage to ensure it does not exceed the 121-watt maximum capacity.
7. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Světla se nerozsvítí. |
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| Světla blikají nebo svítí tlumeně. |
|
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| Časovač nefunguje. |
|
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8. Specifikace
| Funkce | Detail |
|---|---|
| Číslo modelu | ML121RT |
| Značka | Malibu |
| Zdroj napájení | Elektrický kabel |
| Výstupní objemtage | 12V AC |
| Maximální Wattage | 121 wattů |
| Typ montáže | Držák na zeď |
| Typ časovače | Manual Geared Timer with ON/OFF override |
| Materiál bydlení | Durable, water-resistant housing |
| Dokončit | Černá matná |
| Rozměry balíku | 26 x 19 x 15 cm |
| Hmotnost | 2.82 kg |
9. Záruka a podpora
The manufacturer aims for customer satisfaction. While specific warranty details are not provided in this manual, if you encounter any issues or require technical assistance with your Malibu ML121RT transformer, please contact the retailer or the manufacturer's customer support for guidance. Ensure you have your model number (ML121RT) and purchase information available when contacting support.





