1. Einleitung
The Elitech LMG-10 is a professional digital manifold gauge set designed for HVAC/R system maintenance, installation, and troubleshooting. It provides precise measurements for pressure, temperature, and vacuum, supporting a wide range of refrigerants. This manual provides detailed instructions for the proper setup, operation, and maintenance of your LMG-10 unit.
Figure 1.1: Elitech LMG-10 Digital Manifold Gauge Set. The set includes the main digital manifold unit, three color-coded refrigerant charging hoses (red, yellow, blue), and two temperature clamps.
2. Hauptmerkmale
The Elitech LMG-10 offers a comprehensive set of features for efficient HVAC/R system analysis:
- Temperaturkompensation: Monitors pressure holding and vacuum leakage tests with precise temperature compensation.
- Multi-Refrigerant Support: Supports 88 types of refrigerants for broad application.
- Automatische Berechnungen: Auto-calculation of superheating and subcooling values.
- Mehrere Einheiten: Supports 5 pressure units (psi, kg/cm², kPa, MPa, bar) and 2 temperature units (°F/°C).
- Benutzerfreundliches Design: Features a large, easy-to-read display and an auto-off function for power saving.
- Durable Hoses: Includes 3 x 59" (1.5m) A/C charging hose set with heavy-duty brass connections, rated for 500 PSI working pressure and 4000 PSI burst pressure.
Abbildung 2.1: Überview of Elitech LMG-10 features, highlighting temperature compensation, 88 refrigerant types, superheating & subcooling calculation, large display, compact design, and extended battery life.
3. Packungsinhalt
Überprüfen Sie, ob alle Artikel in Ihrem Paket vorhanden sind:
- 1 x Elitech LMG-10 Digital Manifold Gauge
- 3 x Refrigerant Charging Hoses (Red, Yellow, Blue)
- 2 x Temperatur Clamps
- 1 x Benutzerhandbuch
4. Produktkomponenten und Spezifikationen
4.1. Main Unit Components
Figure 4.1: Labeled diagram of the Elitech LMG-10 Digital Manifold Gauge. Key components include the LCD screen, temperature probe port, integrated hook, battery compartment, warning label, control buttons, sight glass, control valves, refrigerant hose brackets, and refrigerant hose fittings.
4.2. Refrigerant Hoses
The included refrigerant hoses are designed for durability and safety:
- Länge: 59 Zoll (1.5 Meter)
- Schraubengewinde: 1/4" SAE – 1/4" SAE
- Arbeitsdruck: 500 PSI (Hoses are rated for 800 PSI max working pressure)
- Berstdruck: 4000 PSI
- Farbkodierung: Red for high pressure, Blue for low pressure, Yellow for refrigerant charging.
Figure 4.2: Refrigerant charging hoses, showing their length and thread type.
Abbildung 4.3: Nahaufnahme view of the hose connections, indicating their working and burst pressure ratings.
Figure 4.4: Color-coded hoses for easy identification of their function: Red for high pressure, Blue for low pressure, and Yellow for refrigerant.
4.3. Technische Daten
Figure 4.5: Physical dimensions and key technical specifications of the LMG-10 unit.
| Spezifikation | Wert |
|---|---|
| Modell | LMG-10 |
| Messbereich | -14.5 bis 800 psi |
| Genauigkeit | ±0.5 % vom Endwert |
| Druckeinheiten | psi, kg/cm², kPa, MPa, bar |
| Temperatureinheiten | ° F / ° C |
| Arbeitstemperaturbereich | 14°F ~ 122°F (-10°C ~ 50°C) |
| Akkulaufzeit | Ca. 200 Stunden |
| Stromversorgung | 3 x AA-Batterien |
| Abmessungen (ca.) | 18 cm (H) x 10 cm (W) x 4.5 cm (D) |
| Gewicht ca.) | 0.95 kg |
| Material | Brass (fittings) |
5. Einrichtung und Erstgebrauch
5.1. Einlegen der Batterie
- Locate the battery compartment on the back of the LMG-10 unit.
- Öffnen Sie die Batterieabdeckung.
- Legen Sie drei (3) AA-Batterien ein und achten Sie dabei auf die richtige Polarität (+/-).
- Schließen Sie die Batterieabdeckung fest.
Figure 5.1: Illustration of battery installation and various display modes.
5.2. Anschlusstemperatur Clamps
- Schließen Sie die Temperaturklamps to the designated temperature probe ports on the LMG-10 unit.
- Befestigen Sie dieamps securely to the refrigerant lines to measure pipe temperature.
5.3. Verbindungsschläuche
- Identify the high-pressure (red), low-pressure (blue), and refrigerant (yellow) hoses.
- Connect the appropriate ends of the hoses to the corresponding ports on the LMG-10 manifold.
- Connect the other ends of the hoses to the HVAC/R system service ports or refrigerant tank as required for your task.
- Stellen Sie sicher, dass alle Verbindungen dicht sind, um Lecks zu vermeiden.
6. Bedienungsanleitung
6.1. Ein-/Ausschalten
- Drücken Sie die Leistung Taste (Symbol: Kreis mit senkrechtem Strich) to turn the unit ON.
- Halten Sie die Leistung Taste zum Ausschalten des Geräts.
6.2. Unit Selection (Pressure and Temperature)
- Drücken Sie die MODUS button to cycle through pressure units (psi, kg/cm², kPa, MPa, bar).
- Drücken Sie die °F/°C Taste zum Umschalten zwischen Fahrenheit und Celsius als Temperatureinheit.
6.3. Refrigerant Selection
The LMG-10 supports 88 types of refrigerants. To select the desired refrigerant:
- Drücken Sie die MODUS button until the refrigerant selection mode is active.
- Verwenden Sie die Pfeiltasten (left/right arrows) to scroll through the list of available refrigerants.
- Bestätigen Sie Ihre Auswahl.
Figure 6.1: The LMG-10's display showing the extensive list of 88 supported refrigerants.
6.4. Druck- und Temperaturmessung
Once connected and powered on, the LMG-10 will display real-time pressure and temperature readings. The display shows high-side and low-side pressures, as well as saturation temperatures for the selected refrigerant.
6.5. Vacuum Measurement
The LMG-10 can monitor vacuum levels during evacuation processes. Refer to the display for vacuum readings and progress.
6.6. Berechnung von Überhitzung und Unterkühlung
The device automatically calculates superheating (SH) and subcooling (SC) values based on the measured pressures and temperatures, providing critical data for system analysis.
Figure 6.2: Various display screens of the LMG-10, illustrating pressure and temperature measurement, vacuum measurement, temperature compensation, and automatic calculation of superheating/subcooling.
6.7. Auto-Off Settings
To conserve battery life, the LMG-10 features an adjustable auto-off function. You can set the auto-off time to 5, 10, 15, 30, or 60 minutes.
7. Wartung und Pflege
7.1. Reinigung
- Wischen Sie das Gerät mit einem weichen, damp Tuch. Keine Scheuer- oder Lösungsmittel verwenden.
- Ensure the ports and connections are free from debris.
7.2. Batteriewechsel
Replace batteries when the low battery indicator appears on the display. Follow the instructions in Section 5.1.
7.3. Speicherung
- When not in use for an extended period, remove the batteries to prevent leakage and damage to the unit.
- Store the LMG-10 in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Fehlerbehebung
If you encounter issues with your Elitech LMG-10, refer to the table below for common problems and solutions:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Gerät lässt sich nicht einschalten | Leere oder falsch eingelegte Batterien | Ersetzen Sie die Batterien durch neue und achten Sie dabei auf die richtige Polarität. |
| Ungenaue Druckwerte | Loose hose connections; Sensor calibration needed; Incorrect refrigerant selected | Check and tighten all hose connections. If issue persists, contact customer support for calibration guidance. Verify the correct refrigerant is selected. |
| Temperatur Klamps not reading | Clamps not properly connected; Damaged clamp Kabel | Stellen Sie sicher, dass clamps are fully plugged into the ports. Inspect cable for damage. |
| Das Display ist dunkel oder flackert | Niedriger Akkustand | Batterien ersetzen. |
Sollte das Problem nach Anwendung dieser Lösungsansätze weiterhin bestehen, wenden Sie sich bitte an den Elitech-Kundendienst.
9. Garantie und Kundendienst
Elitech Technology Inc. provides a 12 Monate Garantie for the LMG-10 Digital Manifold Gauge Set from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical assistance, warranty claims, or any other inquiries, please contact Elitech customer support. Elitech offers 24/7 Kundensupport service via email and phone.
Figure 9.1: Elitech customer support is available 24/7.
You can find more information and contact details on the official Elitech webWebsite oder über deren Amazon-Shop: Elitech Amazon Store.
