Manual de instrucións do vacuómetro dixital de micras para HVAC Elitech VG-760

1. Introdución

This manual provides detailed instructions for the proper use, setup, operation, maintenance, and troubleshooting of the Elitech VG-760 Digital HVAC Micron Vacuum Gauge. This device is designed for accurate vacuum measurement in HVAC and refrigeration systems, ensuring efficient and reliable performance.

The Elitech VG-760 is a robust digital vacuum gauge featuring a wide measurement range, high accuracy, and multiple measurement units. It is built with an IP65 rating for enhanced protection against environmental factors.

2. Información de seguridade

• Always wear appropriate personal protective equipment (PPE) when working with HVAC/R systems.
• Ensure the system is depressurized before connecting or disconnecting the vacuum gauge.
• Do not expose the gauge to extreme temperatures or corrosive substances.
• Handle the gauge with care to prevent damage to the sensor.
• Manteña o dispositivo lonxe dos nenos.

3. Produto rematadoview

The Elitech VG-760 Digital HVAC Micron Vacuum Gauge is designed for precise vacuum measurement. Its compact design and clear display make it suitable for various applications.

Figure 1: Elitech VG-760 Digital Vacuum Gauge, showing its compact design and digital display.

3.1 Características principais

• Wide Measurement Range: 0-19000 Microns.
• High Accuracy: ±10% or ±10 Micron.
• Multiple Measurement Units: inHg, Torr, psi, mbar, mTorr, Pa, micron, Kpa.
• Settable High/Low Pressure Alarms.
• IP65 Rated for enhanced protection.
• Long Battery Life: Up to 300 hours with 3 AA batteries.

3.2 Funcións da pantalla e dos botóns

Figure 2: Elitech VG-760 display elements and button controls. 1. Battery Level, 2. Auto OFF (15 min), 3. Current Vacuum Value, 4. Units. Buttons: A (Backlight on/off), B (Power on/off), C (Switch units). Pressing A+B enables auto-off.

Figure 3: The Elitech VG-760 supports 8 different measurement units: inHg, Torr, psia, mbar, mTorr, Pa, micron, and kPa.

3.3 Filtering Components

Figura 4: Explotado view of the Elitech VG-760's multiple filtering system, including the O-ring, Filter Net, Filter Cotton, and 1/4" SAE Fitting, designed to protect the sensor from contaminants.

4. Configuración

4.1 Desembalaxe

Upon receiving your Elitech VG-760, carefully unpack all components. The packing list typically includes:

Figure 5: Contents of the Elitech VG-760 package, including the vacuum gauge, user manual, AA batteries, zip bag, filter cotton, filter net, and O-rings.

• 1 x Vacuum Gauge
• 1 x Manual de usuario
• 3 pilas AA
• 1 x Zip Bag
• 2 x Filter Cotton & Filter Net
• 2 x junta tórica

4.2 Instalación da batería

1. Localice o compartimento da batería na parte traseira do medidor.
2. Abra a tapa do compartimento.
3. Introduza 3 pilas AA, asegurándose de manter a polaridade correcta.
4. Pecha a tapa do compartimento da batería de forma segura.

4.3 Connecting to the System

The VG-760 features a 1/4" SAE male flare fitting for connection to HVAC/R systems. Ensure all connections are tight to prevent leaks.

1. Attach the VG-760 to the system using appropriate fittings (e.g., T-connector and bend adapter).
2. Ensure the connection is secure and leak-free.

5. Instrucións de funcionamento

5.1 Encendido/apagado

Preme o Poder button (center button) to turn the gauge on or off.

Control de retroiluminación 5.2

Preme o Retroiluminación button (left button) to toggle the display backlight on or off for improved visibility in various lighting conditions.

5.3 Unidades de medida de conmutación

Preme o UNIDADES button (right button) to cycle through the available measurement units: inHg, Torr, psi, mbar, mTorr, Pa, micron, and Kpa.

5.4 Función de apagado automático

The gauge features an auto-off function to conserve battery life. To enable or disable this feature, press and hold both the Retroiluminación e Poder botóns simultaneamente.

5.5 Interpretación de lecturas

The gauge displays the vacuum value in real-time. If the display shows dashes (-----), it indicates that the current pressure exceeds the measurement range of the gauge (above 19,000 microns).

6. Mantemento

6.1 Limpeza do sensor

If the vacuum gauge sensor becomes contaminated with oil, it may display no value or inaccurate readings. In such cases, it is necessary to clean the vacuum sensor.

1. Disconnect the gauge from the system.
2. Carefully remove the 1/4" SAE fitting to expose the sensor.
3. Use a suitable solvent (e.g., isopropyl alcohol) and a lint-free cloth or cotton swab to gently clean the sensor surface.
4. Allow the sensor to dry completely before reassembling.
5. Replace the O-ring, filter net, and filter cotton as needed to ensure proper sealing and filtration.

6.2 Coidados xerais

• Store the gauge in its protective zip bag when not in use.
• Avoid dropping or subjecting the gauge to strong impacts.
• Limpe o exterior cun suave, damp cloth as needed. Do not use abrasive cleaners.

7 Solución de problemas

8. Especificacións

Figure 6: Elitech VG-760 dimensions and key technical specifications.

9. Información da garantía

Elitech products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or contact Elitech customer support. Keep your purchase receipt as proof of purchase for warranty claims.

10. Atención ao cliente

For technical assistance, troubleshooting, or any inquiries regarding your Elitech VG-760 Digital HVAC Micron Vacuum Gauge, please contact Elitech customer support.

• Soporte por correo electrónico: Dispoñible 24/7
• Asistencia telefónica: Available for US customers

Visita a páxina oficial de Elitech websitio para obter a información de contacto e os recursos de asistencia máis actualizados.