Intermatic ET1705C

Intermatic ET1705C 7-Day Electronic Time Switch User Manual

Model: ET1705C | Brand: Intermatic

1. Introdución

This manual provides comprehensive instructions for the installation, setup, operation, and maintenance of the Intermatic ET1705C 7-Day Electronic Time Switch. The ET1705C is designed for precise control of electrical loads, offering flexible programming with up to 28 events and automatic Daylight Saving Time adjustment. Please read this manual thoroughly before installation and operation to ensure safe and correct usage.

2. Información de seguridade

WARNING: Risk of Electrical Shock. Disconnect power at the circuit breaker or fuse box before installing or servicing this device. Installation should be performed by a qualified electrician in accordance with all national and local electrical codes.

  • Always ensure the power supply is disconnected before working on electrical connections.
  • Use condutores de cobre de calibre 10-16 cunha clasificación de polo menos 75 °C (167 °F) para todas as conexións.
  • Do not remove the insulator.
  • This device is intended for indoor use or in an appropriate outdoor enclosure.
Intermatic ET1705C Time Switch with cover open, showing internal components and safety warnings.

Figure 1: Intermatic ET1705C Time Switch with cover open, displaying internal components, control buttons, LCD screen, and safety warnings. Note the voltage selector and wiring terminals.

3. Contido do paquete

Comprobe que todos os compoñentes estean presentes antes de comezar a instalación:

  • Intermatic ET1705C 7-Day Electronic Time Switch
  • Manual de instrucións (este documento)
  • Two (2) AAA Alkaline Batteries (pre-installed or included)

4. Produto rematadoview e Características

The Intermatic ET1705C is an advanced electronic time switch designed for reliable and precise control of various electrical applications. Key features include:

  • Voltage Flexibilidade: Features a selector switch for easy voltage adjustment between 120-277 VAC, 50/60 Hz, ensuring compatibility with a wide range of electrical systems.
  • Extensive Programming: Allows for up to 28 events (14 ON/14 OFF per channel), providing versatile scheduling options for interior/exterior lighting, pumps, and motor control.
  • Precision Timing: Offers to-the-minute accuracy for all programmed events, ensuring reliable performance.
  • Flexible Override Options: Provides both temporary and permanent manual override capabilities.
  • Axuste automático do horario de verán: Automatically adjusts for Daylight Saving Time changes, eliminating manual intervention.
  • Copia de seguridade da batería: Two industrial grade "AAA" Alkaline batteries provide a minimum of 3 years program and timing protection during power outages.
Fronte view of the Intermatic ET1705C Time Switch with its protective cover closed.

Figura 2: Fronte view of the Intermatic ET1705C Time Switch with its protective cover closed, showing the gray enclosure.

5. Instalación

Importante: Installation must be performed by a qualified electrician and comply with all applicable electrical codes. Ensure power is disconnected before proceeding.

  1. Montaxe: Securely mount the time switch enclosure to a wall or suitable surface using appropriate fasteners. Ensure the location is protected from moisture if not rated for outdoor exposure.
  2. Voltage Selección: Open the front cover. Locate the voltage selector switch inside the unit. Before connecting power, set the selector to the correct voltage (120V, 208V, 240V, or 277V) matching your electrical system. Refer to Figure 3 for the location of the voltage selector.
  3. Cableado:
    • Route power supply wires into the enclosure through designated knockouts.
    • Connect the Line (L1, L2 if applicable) and Load wires to the appropriate terminals as indicated on the wiring diagram (Figure 4).
    • Ensure all connections are tight and secure. Use 10-16 gauge copper conductors.
    • Refer to the specific wiring diagram in Figure 4 that matches your application (e.g., 120 VAC SPST, 240 VAC DPST).
  4. Battery Installation/Check: The unit typically comes with AAA batteries pre-installed. Verify they are correctly seated. These batteries maintain programming during power outages.
  5. Pechar a cuberta: Once wiring is complete and verified, close and secure the front cover.
  6. Restaurar enerxía: Restore power at the circuit breaker. The unit should power on.
Intermatic ET1705C Time Switch with cover open, showing internal components, control buttons, LCD screen, and safety warnings.

Figura 3: Interno view of the Intermatic ET1705C Time Switch, highlighting the voltage selector mechanism and wiring terminals. The safety warnings are also visible.

Wiring diagrams for various configurations of the Intermatic ET1700 series time switches, including 120V SPST, 240V DPST, and other load configurations.

Figure 4: Detailed wiring diagrams for the Intermatic ET1700 Series, illustrating connections for different voltage and load types. Consult the diagram relevant to your specific model and application.

6. Configuración inicial

After power is restored, the unit will display the current time and date. If the display is blank or incorrect, follow these steps:

  1. Establecer o día e a hora actual:
    • Preme o MODO button until "SET TIME" appears.
    • Usa o + e - botóns para axustar a hora e, a seguir, prema ENTRAR/SEGUINTE.
    • Adjust minutes, then press ENTRAR/SEGUINTE.
    • Adjust the current day of the week, then press ENTRAR/SEGUINTE.
  2. Set Current Date:
    • Preme o MODO button until "SET DATE" appears.
    • Usa o + e - buttons to adjust the year, then press ENTRAR/SEGUINTE.
    • Adjust the month, then press ENTRAR/SEGUINTE.
    • Adjust the day, then press ENTRAR/SEGUINTE.
  3. Daylight Saving Time (DST) Adjustment: The ET1705C automatically adjusts for DST. Ensure the DST setting is enabled (usually a default setting). Consult the on-screen prompts or the full manual for specific DST configuration if needed.

7. Funcionamento e programación

The ET1705C allows for up to 28 ON/OFF events (14 ON and 14 OFF) to be programmed across the 7 days of the week.

  1. Entrando ao modo de programa: Preme o MODO button repeatedly until "PROGRAM" appears on the display.
  2. Setting ON Events:
    • A pantalla mostrará "1 ON". Use + e - buttons to set the desired ON time (hour and minute). Press ENTRAR/SEGUINTE despois de cada axuste.
    • Next, select the day(s) of the week for this ON event. You can select individual days or blocks of days (e.g., Mon-Fri, Sat-Sun, Mon-Sun). Press DÍA to cycle through day options. Press ENTRAR/SEGUINTE para confirmar.
  3. Setting OFF Events:
    • After setting an ON event, the display will automatically move to "1 OFF". Set the desired OFF time and day(s) using the same method as for ON events.
    • Repeat this process for all desired ON/OFF events (up to 14 pairs).
  4. ReviewProgramas: In PROGRAM mode, use ENTRAR/SEGUINTE to cycle through all programmed events.
  5. Programas de compensación: To clear a specific event, navigate to it in PROGRAM mode and press LIMPAR ENTRADA. To clear all programs, press and hold LIMPAR MEM.
  6. Anulación manual:
    • Anulación temporal: Preme o ON/OFF button to manually switch the load ON or OFF. This override remains active until the next programmed event.
    • Substitución permanente: Manteña premido o ON/OFF button for a few seconds. The display will indicate a permanent override, and the unit will remain in that state until manually changed or the override is cancelled.
  7. Exiting Program Mode: Preme o MODO button until the current time and day are displayed, indicating normal operation.

8. Mantemento

  • Substitución da batería: The ET1705C uses two (2) AAA Alkaline batteries for program backup. These batteries typically last for 3 years. When the battery indicator appears on the display, replace the batteries promptly to avoid loss of programming.
    1. Disconnect power to the unit at the circuit breaker.
    2. Abra a tapa frontal.
    3. Carefully remove the old AAA batteries and insert new ones, observing correct polarity.
    4. Close the cover and restore power.
  • Limpeza: Limpe o exterior da unidade cun suave, damp pano. Non empregue produtos de limpeza abrasivos nin disolventes. Asegúrese de que non entre humidade nos compoñentes internos.

9 Solución de problemas

ProblemaCausa posibleSolución
A pantalla está en branco.No power to the unit; dead batteries.Check circuit breaker. Replace AAA batteries.
A carga non se acende/apaga ás horas programadas.Incorrect programming; manual override active; incorrect wiring.Review programming. Cancel manual override. Verify wiring connections (consult a qualified electrician).
A hora/data é incorrecta despois do apagadotage.Dead or missing backup batteries.Replace AAA batteries. Reset time and date.
Unit does not respond to button presses.Unit frozen; low battery.Press the RESET button (small recessed button). Replace batteries if low.

10. Especificacións

  • Modelo: ET1705C
  • Voltage: 120-277 VAC, 50/60 Hz (selectable)
  • Estilo de cambio: SPST (Single Pole Single Throw)
  • Number of Events: Up to 28 (14 ON / 14 OFF)
  • Copia de seguridade da batería: Two (2) AAA Alkaline batteries (3-year minimum program retention)
  • Temperatura de funcionamento: -40 °F a 150 °F (-40 °C a 65 °C)
  • Dimensións: Aproximadamente 3.3 cm de profundidade x 5.3 cm de ancho x 8.1 cm de alto
  • Peso: Aproximadamente 2.5 libras
  • Tipo de montaxe: Recinto
  • Material: Selector
  • UPC: 078275109841

11. Garantía e soporte

Garantía: This Intermatic ET1705C Time Switch comes with a 1-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, abuse, or unauthorized modifications.

Atención ao cliente: For technical assistance, troubleshooting, or warranty claims, please contact Intermatic Customer Service. Refer to the official Intermatic websitio para obter información de contacto actual.

© 2023 Intermatic. Todos os dereitos reservados.

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