1. Introduktion
The Intermatic T104R3 is a robust mechanical time switch engineered for reliable operation in various settings, including commercial, industrial, and residential environments. This device allows for precise scheduling of electrical loads, offering up to 12 ON/OFF operations per day. Its durable construction and high motor load ratings ensure long-lasting performance. This manual provides essential information for safe installation, operation, and maintenance of your time switch.
2. Sikkerhedsoplysninger
ADVARSEL: RISIKO FOR ELEKTRISK STØD
- Always turn power off at the main panel before servicing this switch or any equipment it controls.
- Use copper conductors only for wiring connections.
- Ensure the safety guard is reinstalled after completing all wiring.
- This portion of the safety guard may be removed if necessary to fit specific panel applications.
3. Produktet er slutview

Figur 1: Intern view of the Intermatic T104R3 Time Switch, highlighting the timing dial and manual override switch.
The Intermatic T104R3 features a prominent yellow timing dial with markings for AM/PM hours. Two adjustable trippers (ON and OFF) are used to program the desired operation schedule. Below the dial, a manual override lever allows for temporary control of the connected load, bypassing the programmed schedule. A safety guard covers the wiring terminals, emphasizing the importance of electrical safety.
4. Opsætning
4.1. Installation
- Strømafbrydelse: Before beginning any installation, ensure the main power supply to the circuit is completely turned off at the breaker panel. Verify with a voltage tester.
- Montering: Securely mount the time switch enclosure to a suitable surface using appropriate hardware.
- Ledningsføring: Connect the electrical wiring to the designated terminals. Refer to the wiring diagram provided inside the enclosure or in the full product manual for specific connections. Ensure only copper conductors are used.
- Sikkerhedsvagt: After all wiring is complete and secure, reinstall the safety guard over the terminals.
- Strømgendannelse: Once installation is complete and verified, restore power at the main panel.
4.2. Indstilling af starttidspunkt
- Rotate Dial: Grasp the outer edge of the yellow timing dial.
- Indstil aktuel tid: Rotate the dial clockwise until the current time of day aligns with the stationary time pointer (usually located at the top of the dial). Ensure to differentiate between AM and PM hours.
5. Betjeningsvejledning
5.1. Setting ON/OFF Operations
The T104R3 uses ON and OFF trippers to program the schedule. Each tripper represents a specific time for the connected load to turn ON or OFF.
- Attach Trippers: Slide the ON tripper (typically silver) onto the outer edge of the yellow dial at the desired ON time. Slide the OFF tripper (typically gold) onto the dial at the desired OFF time.
- Secure Trippers: Ensure the trippers are firmly seated on the dial.
- Flere operationer: The time switch supports up to 12 ON/OFF operations per day. Additional trippers can be purchased separately if more than one ON/OFF cycle is required.
- Minimumstid: The minimum ON or OFF time for any operation is 1 hour.
5.2. Manuel tilsidesættelse
The manual override lever, located below the timing dial, allows you to temporarily control the connected load independently of the programmed schedule.
- OFF position: Moves the lever to the
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