1. Introduzzjoni
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. Karatteristiċi ewlenin
The Elitech LMG-10 offers a comprehensive set of features for efficient HVAC/R system analysis:
- Kumpens tat-Temperatura: Monitors pressure holding and vacuum leakage tests with precise temperature compensation.
- Multi-Refrigerant Support: Supports 88 types of refrigerants for broad application.
- Automatic Calculations: Auto-calculation of superheating and subcooling values.
- Unitajiet multipli: Supports 5 pressure units (psi, kg/cm², kPa, MPa, bar) and 2 temperature units (°F/°C).
- Disinn faċli għall-utent: 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.
Figura 2.1: Aktarview of Elitech LMG-10 features, highlighting temperature compensation, 88 refrigerant types, superheating & subcooling calculation, large display, compact design, and extended battery life.
3. Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett tiegħek:
- 1 x Elitech LMG-10 Digital Manifold Gauge
- 3 x Refrigerant Charging Hoses (Red, Yellow, Blue)
- 2 x Temperature Clamps
- 1 x Manwal għall-Utent
4. Komponenti u Speċifikazzjonijiet tal-Prodott
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:
- Tul: 59 pulzier (1.5 metri)
- Ħajt tal-viti: 1/4" SAE – 1/4" SAE
- Pressjoni tax-Xogħol: 500 PSI (Hoses are rated for 800 PSI max working pressure)
- Pressjoni tat-tifqigħ: 4000 PSI
- Kodifikazzjoni tal-Kulur: Red for high pressure, Blue for low pressure, Yellow for refrigerant charging.
Figure 4.2: Refrigerant charging hoses, showing their length and thread type.
Figura 4.3: Close-up 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. Speċifikazzjonijiet Tekniċi
Figure 4.5: Physical dimensions and key technical specifications of the LMG-10 unit.
| Speċifikazzjoni | Valur |
|---|---|
| Mudell | LMG-10 |
| Medda ta' Kejl | -14.5 sa 800 psi |
| Eżattezza | ± 0.5% FS |
| Unitajiet ta' Pressjoni | psi, kg/cm², kPa, MPa, bar |
| Unitajiet tat-Temperatura | ° F / ° C |
| Firxa tat-Temperatura tax-Xogħol | 14°F ~ 122°F (-10°C ~ 50°C) |
| Ħajja tal-batterija | Appross. 200 sigħat |
| Provvista tal-Enerġija | 3 x Batteriji AA |
| Dimensjonijiet (madwar) | 18 ċm (H) x 10 ċm (W) x 4.5 ċm (D) |
| Piż (madwar) | 0.95 kg |
| Materjal | Brass (fittings) |
5. Twaqqif u Użu Inizjali
5.1. Installazzjoni tal-batterija
- Locate the battery compartment on the back of the LMG-10 unit.
- Iftaħ l-għatu tal-batterija.
- Daħħal tliet (3) batteriji AA, waqt li tiżgura l-polarità korretta (+/-).
- Agħlaq l-għatu tal-batterija sew.
Figure 5.1: Illustration of battery installation and various display modes.
5.2. Connecting Temperature Clamps
- Qabbad it-temperatura clamps to the designated temperature probe ports on the LMG-10 unit.
- Waħħal il-clamps securely to the refrigerant lines to measure pipe temperature.
5.3. Pajpijiet tal-Konnessjoni
- 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.
- Kun żgur li l-konnessjonijiet kollha huma ssikkati biex tevita tnixxijiet.
6. Istruzzjonijiet Operattivi
6.1. Power On/Off
- Agħfas il- Qawwa buttuna (simbolu: ċirku b'linja vertikali) to turn the unit ON.
- Agħfas u żomm il- Qawwa buttuna biex itfi l-unità.
6.2. Unit Selection (Pressure and Temperature)
- Agħfas il- MODALITÀ button to cycle through pressure units (psi, kg/cm², kPa, MPa, bar).
- Agħfas il- °F/°C button to switch between Fahrenheit and Celsius temperature units.
6.3. Refrigerant Selection
The LMG-10 supports 88 types of refrigerants. To select the desired refrigerant:
- Agħfas il- MODALITÀ button until the refrigerant selection mode is active.
- Uża l-buttuni tal-vleġeġ (vleġeġ tax-xellug/tal-lemin) to scroll through the list of available refrigerants.
- Ikkonferma l-għażla tiegħek.
Figure 6.1: The LMG-10's display showing the extensive list of 88 supported refrigerants.
6.4. Pressure and Temperature Measurement
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. Superheating and Subcooling Calculation
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. Manutenzjoni u Kura
7.1. Tindif
- Imsaħ l-unità b'artab, damp drapp. Tużax tindif jew solventi li joborxu.
- Ensure the ports and connections are free from debris.
7.2. Sostituzzjoni tal-batterija
Replace batteries when the low battery indicator appears on the display. Follow the instructions in Section 5.1.
7.3. Ħażna
- 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 Issolvi l-problemi
If you encounter issues with your Elitech LMG-10, refer to the table below for common problems and solutions:
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-unità ma tixgħelx | Batteriji mejta jew installati ħażin | Ibdel il-batteriji b'oħrajn ġodda, filwaqt li tiżgura polarità korretta. |
| Qari mhux preċiż tal-pressjoni | 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. |
| Temperatura clamps not reading | Clamps not properly connected; Damaged clamp kejbil | Tiżgura clamps are fully plugged into the ports. Inspect cable for damage. |
| Id-displej huwa mċajpar jew iteptep | Qawwa baxxa tal-batterija | Ibdel il-batteriji. |
Jekk il-problema tippersisti wara li tipprova dawn is-soluzzjonijiet, jekk jogħġbok ikkuntattja l-appoġġ għall-klijenti ta' Elitech.
9. Garanzija u Appoġġ għall-Klijent
Elitech Technology Inc. provides a 12-il xahar garanzija 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 Appoġġ għall-klijenti 24/7 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 webis-sit jew permezz tal-ħanut tagħhom fuq l-Amazon: Elitech Amazon Store.
