ORNO PRE-450 Astronomical Time Programmer User Manual

1. Pengenalan

This manual provides detailed instructions for the installation, setup, programming, and operation of the ORNO PRE-450 Astronomical Time Programmer. This digital timer is designed for DIN rail mounting and offers advanced scheduling capabilities, including astronomical functions, to control various electrical devices.

2. Maklumat Keselamatan

Please read this section carefully before installation and operation to ensure safe use and prevent damage to the device or injury. Installation should only be performed by a qualified electrician.

• Putuskan sambungan kuasa sebelum pemasangan atau penyelenggaraan.
• Pastikan bekalan voltage matches the device specifications (24-264V AC/DC).
• Jangan melebihi kadar arus maksimum 16A.
• Protect the device from moisture and extreme temperatures outside the operating range (-20°C to +55°C).
• The device is designed for indoor use and DIN rail mounting.

3. Produk Lebihview dan Ciri

The ORNO PRE-450 is a versatile digital time programmer equipped with an astronomical clock function. It automatically calculates sunrise and sunset times based on geographical location and time zone, allowing for precise control of connected devices.

Ciri-ciri Utama:

• Astronomical Function: Automatically adjusts switching times based on sunrise and sunset.
• Multiple Program Types: Supports weekly, annual, and astronomical programming.
• 52 Switching Points: Allows for flexible and detailed scheduling.
• Bateri Bersepadu: Maintains clock settings and program memory for up to 10 years during power outages.
• Mod Pengendalian: Manual, Automatic, Holiday, and Random modes.
• Night Pause Function: Define periods when the device remains off, even during astronomical ON times.
• Fungsi Countdown: For temporary switching operations.
• Multi-language Menu: Available in 3 languages.
• Pemasangan Rel DIN: Easy integration into electrical panels.

Rajah 1: Depan view of the ORNO PRE-450 Astronomical Time Programmer, showing the digital display and control buttons.

4. Pemasangan

The ORNO PRE-450 is designed for mounting on a standard DIN rail (TH-35mm). It occupies two DIN modules in width.

Langkah Pemasangan:

1. Pemutusan Kuasa: Ensure the main power supply to the installation area is completely disconnected before proceeding.
2. Pemasangan: Clip the device onto the DIN rail.
3. Pendawaian: Connect the power supply and load according to the wiring diagram provided on the device and below. Ensure all connections are secure.
4. Penyambungan Semula Kuasa: Once all connections are verified, restore power to the installation.

Rajah 2: Sisi view of the ORNO PRE-450, illustrating the wiring diagram for connecting power (N, L) and the relay output (18, 15, 16, A2).

Butiran Pendawaian:

• A1/A2: Power supply input (24-264V AC/DC).
• 18, 15, 16: Relay output contacts. 15 is common, 18 is normally open (NO), 16 is normally closed (NC).

5. Persediaan Awal

Setelah bekalan kuasa mula dihidupkan atau selepas bekalan kuasa terputus yang lamatage, you may need to set the basic parameters.

5.1. Pemilihan Bahasa

1. Tekan ke MENU butang.
2. Navigate to the Language setting using the arrow buttons (▲ / ▼).
3. Tekan OK untuk memilih.
4. Choose your desired language (e.g., English) and press OK untuk mengesahkan.

5.2. Tetapan Tarikh dan Masa

1. From the main menu, navigate to "Time/Date" or similar.
2. Use the arrow buttons to adjust the year, month, day, hour, and minute.
3. Tekan OK after each adjustment to confirm and move to the next field.
4. The device supports automatic summer/winter time switching. Ensure this setting is enabled if desired.

5.3. Astronomical Settings (Geographical Coordinates)

For the astronomical function to work correctly, you must input your geographical coordinates (latitude and longitude) and time zone.

1. Navigate to the "Astronomical" or "Location" settings in the menu.
2. Enter the latitude and longitude of your location. These can be found using online maps or GPS services.
3. Set the correct time zone offset (e.g., +1 for Central European Time).
4. Confirm settings with OK.

6. Mod Operasi

The ORNO PRE-450 offers several operating modes to suit different needs:

• Mod Automatik: The device operates according to the programmed schedules (weekly, annual, astronomical). This is the standard operating mode.
• Mod Manual: Allows you to manually switch the output ON or OFF, overriding any active programs. This is typically for temporary control.
• Mod Cuti: Suspends all regular programs for a specified period, useful for vacations or extended absences.
• Mod Rawak: Introduces random variations to programmed ON/OFF times, often used for presence simulation.

To switch between modes, access the "Operating Mode" option in the main menu and select the desired mode using the arrow and OK butang.

7. Jadual Pengaturcaraan

The device supports up to 52 switching points across various program types.

7.1. Astronomical Program

This program type uses the calculated sunrise and sunset times. You can set an offset (e.g., turn on 15 minutes before sunset or turn off 30 minutes after sunrise).

1. Go to "Programs" in the menu and select "Astronomical".
2. Choose to set an ON or OFF event.
3. Select "Sunrise" or "Sunset" as the trigger.
4. Set an optional offset in minutes (e.g., -15 for 15 minutes before, +30 for 30 minutes after).
5. Specify the days of the week for this program to be active.
6. Sahkan dengan OK.

7.2. Weekly/Annual Programs

These programs allow you to set specific ON/OFF times for particular days of the week or dates of the year.

1. Go to "Programs" and select "Weekly" or "Annual".
2. Choose an empty program slot.
3. Set the desired ON time (hour and minute).
4. Set the desired OFF time (hour and minute).
5. For weekly programs, select the days of the week. For annual programs, select the specific date(s).
6. Sahkan dengan OK.

7.3. Night Pause Function

The night pause function allows you to define a period during which the output will remain OFF, overriding any ON commands from other programs, typically used during nighttime hours.

1. Navigate to "Night Pause" in the menu.
2. Set the start time for the pause.
3. Set the end time for the pause.
4. Enable the night pause function.
5. Sahkan dengan OK.

8. Penyelenggaraan

The ORNO PRE-450 is designed for maintenance-free operation. However, periodic checks are recommended.

• Ensure the device is free from dust and debris.
• Verify that all wiring connections remain secure.
• The internal battery (CR2450) has a lifespan of approximately 10 years for memory backup. If the device frequently loses time or program settings after power outagOleh itu, bateri mungkin perlu diganti oleh juruteknik yang berkelayakan.

9. Penyelesaian masalah

10. Spesifikasi Teknikal

Figure 3: Dimensional drawing of the ORNO PRE-450, indicating key measurements for installation.

11. Waranti dan Sokongan

For warranty information, please refer to the terms and conditions provided at the point of purchase. For technical support or further assistance, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.

Manufacturer: ORNO