ALTRONIX PT724A Digital Timer Instruction Manual

1. Produktet er slutview

The Altronix PT724A is a 1-channel digital timer designed for precise annual event scheduling. This versatile unit operates on 12 to 24 Volt AC or DC power and features a Single-Pole Double-Throw (SPDT) contact rated at 10 Amp/115VAC/28VDC. It supports up to 50 daily/weekly events, 350 weekly block events, and 10 holiday exceptions. The timer includes an integrated LCD display for easy programming and monitoring, along with a built-in battery charger to maintain timekeeping during power interruptions.

This image displays the Altronix PT724A Digital Timer. The blue circuit board is mounted on a metallic DIN rail. Key components visible include the green LCD display, four control buttons labeled 'SET', 'ENTER', 'UP', 'DOWN', and various terminal blocks for power input (DC, AC, 12VDC) and relay output. The model number 'PT 724A' is printed on the board.

2. Sikkerhedsoplysninger

• Always disconnect power to the circuit before installing or servicing the device.
• Installationen skal udføres af kvalificeret personale i overensstemmelse med alle lokale og nationale el-forskrifter.
• Udsæt ikke enheden for fugt, regn eller ekstreme temperaturer.
• Ensure proper grounding where applicable to prevent electrical hazards.
• Forsøg ikke at åbne eller ændre enheden; der er ingen dele indeni, som kan serviceres af brugeren.

3. Opsætning

3.1 Montering

The PT724A timer is designed for DIN rail mounting. Securely attach the unit to a standard DIN rail within an appropriate electrical enclosure. Ensure adequate ventilation around the unit.

3.2 Ledningsføring

1. Strømindgang: Connect 12-24VAC or 12-24VDC power to the designated 'AC' or 'DC' terminals on the terminal block. For DC connections, observe proper polarity (+ and -).
2. Relæudgang: Connect the device to be controlled to the SPDT relay contacts. The terminals are typically labeled Common (C), Normally Open (NO), and Normally Closed (NC). Wire according to your application's requirements.
3. Sikre forbindelser: Ensure all wire connections are tight and properly insulated to prevent short circuits.

3.3 Indledende opstart

After wiring, apply power to the unit. The LCD display will illuminate. The timer may require initial time and date setting before programming events.

4. Betjeningsvejledning

4.1 LCD-display og kontrolknapper

The LCD display provides real-time information, including the current time, date, and programming status. The unit features four control buttons for navigation and programming:

• SÆT: Enters the main menu or confirms a selection.
• GÅ IND: Confirms an entry or moves to the next parameter.
• OP: Ruller op gennem muligheder eller øger en værdi.
• NED: Ruller ned gennem muligheder eller mindsker en værdi.

4.2 Indstilling af tid og dato

1. Press the 'SET' button to access the main menu.
2. Use the 'UP' or 'DOWN' buttons to navigate to the 'Time/Date' setting.
3. Press 'ENTER' to select.
4. Adjust the year, month, day, hour, and minute using the 'UP'/'DOWN' buttons and confirm each entry with 'ENTER'.
5. Press 'SET' to exit the menu.

4.3 Programmering af begivenheder

The PT724A supports 50 daily/weekly events and 350 weekly block events.

1. From the main menu, navigate to 'Event Programming' and press 'ENTER'.
2. Select 'New Event' or choose an existing event to modify.
3. Set the desired ON/OFF times for the event.
4. Select the specific days of the week or a block of days for the event to be active.
5. Define the relay state (e.g., ON, OFF) for the programmed time.
6. Confirm all settings with 'ENTER' and save the event.

4.4 Holiday Exceptions

The unit allows for up to 10 holiday exceptions, which override regular programming on specified dates.

1. Navigate to the 'Holiday Exceptions' menu from the main menu.
2. Select an empty slot or an existing holiday to modify.
3. Enter the specific date(s) for the holiday.
4. Define the desired relay behavior during the holiday period (e.g., always OFF, always ON).
5. Save the holiday exception.

5. Vedligeholdelse

5.1 Rengøring

Clean the unit with a dry, soft cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the display or casing.

5.2 Batteribackup

The PT724A includes a built-in battery charger that maintains the internal battery, ensuring accurate timekeeping during power outages. No user maintenance is typically required for the battery. If the time consistently resets after power interruptions, the internal battery may need inspection by a qualified technician.

6. Fejlfinding

• Intet display / Enhed tænder ikke:
  • Verify that the power connections are secure and correctly wired to the 'AC' or 'DC' terminals.
  • Kontroller indgangsvolumentage to ensure it is within the specified 12-24V AC/DC range.
  • Inspect any fuses or circuit breakers in the power supply line.
• Events Not Triggering:
  • Confirm that the current time and date are set accurately on the timer.
  • Review the programmed event times and days to ensure they match your desired schedule.
  • Check the relay connections and the functionality of the connected load device.
  • Ensure the timer is not in a manual override mode.
• Incorrect Time / Time Drift:
  • Reset the time and date manually.
  • If the time consistently drifts or resets after power cycles, the internal backup battery may be depleted or faulty. Contact Altronix support for assistance.

7. Specifikationer

8. Garanti og support

Garanti: The manufacturer's warranty description states "No warranty." Please refer to your point of purchase for any applicable return or exchange policies.

Teknisk support: For technical assistance or further inquiries regarding the Altronix PT724A Digital Timer, please contact Altronix customer service. When contacting support, please provide the model number PT724A for efficient service.