1. Entwodiksyon
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. Karakteristik kle
The Elitech LMG-10 offers a comprehensive set of features for efficient HVAC/R system analysis:
- Konpansasyon Tanperati: 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.
- Plizyè inite: Supports 5 pressure units (psi, kg/cm², kPa, MPa, bar) and 2 temperature units (°F/°C).
- Konsepsyon itilizatè-zanmitay: 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.

Figi 2.1: Plis paseview of Elitech LMG-10 features, highlighting temperature compensation, 88 refrigerant types, superheating & subcooling calculation, large display, compact design, and extended battery life.
3. Pake kontni
Verifye ke tout atik yo prezan nan pakè ou a:
- 1 x Elitech LMG-10 Digital Manifold Gauge
- 3 x Refrigerant Charging Hoses (Red, Yellow, Blue)
- 2 x Temperature Clamps
- 1 x manyèl itilizatè
4. Product Components and Specifications
4.1. Konpozan Inite Prensipal la

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:
- Longè: 59 pous (1.5 mèt)
- Fil vis: 1/4" SAE – 1/4" SAE
- Presyon travay: 500 PSI (Hoses are rated for 800 PSI max working pressure)
- Pete Presyon: 4000 psi
- Kodaj koulè: Red for high pressure, Blue for low pressure, Yellow for refrigerant charging.

Figure 4.2: Refrigerant charging hoses, showing their length and thread type.

Figi 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. Espesifikasyon teknik

Figure 4.5: Physical dimensions and key technical specifications of the LMG-10 unit.
| Spesifikasyon | Valè |
|---|---|
| Modèl | LMG-10 |
| Mezire Range | -14.5 a 800 psi |
| Presizyon | ± 0.5% FS |
| Inite presyon | psi, kg/cm², kPa, MPa, bar |
| Inite Tanperati | ° F / ° C |
| Travay Tanperati Range | 14 ° F ~ 122 ° F (-10 ° C ~ 50 ° C) |
| Lavi batri | Apeprè. 200 èdtan |
| Pwovizyon pou pouvwa | 3 x AA pil |
| Dimansyon (apeprè) | 18 cm (H) x 10 cm (W) x 4.5 cm (D) |
| Pwa (apeprè) | 0.95 kg |
| Materyèl | Brass (fittings) |
5. Enstalasyon ak Premye Itilizasyon
5.1. Enstalasyon batri
- Locate the battery compartment on the back of the LMG-10 unit.
- Louvri kouvèti batri a.
- Mete twa (3) pil AA, asire w polarite a kòrèk (+/-).
- Fèmen kouvèti batri a byen.

Figure 5.1: Illustration of battery installation and various display modes.
5.2. Connecting Temperature Clamps
- Konekte tanperati a clamps to the designated temperature probe ports on the LMG-10 unit.
- Tache cl laamps securely to the refrigerant lines to measure pipe temperature.
5.3. Konekte Tiyo yo
- 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.
- Asire ke tout koneksyon yo sere pou anpeche koule.
6. Operasyon Enstriksyon
6.1. Power On/Off
- Peze a Pouvwa bouton (senbòl: sèk ak liy vètikal) to turn the unit ON.
- Peze epi kenbe la Pouvwa bouton pou etenn inite a.
6.2. Unit Selection (Pressure and Temperature)
- Peze a MÒD button to cycle through pressure units (psi, kg/cm², kPa, MPa, bar).
- Peze a °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:
- Peze a MÒD button until the refrigerant selection mode is active.
- Sèvi ak bouton flèch yo (left/right arrows) to scroll through the list of available refrigerants.
- Konfime seleksyon ou a.

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. Antretyen ak Swen
7.1. Netwayaj
- Siye inite a avèk yon mou, damp twal. Pa sèvi ak pwodui netwayaj abrazif oswa solvang.
- Ensure the ports and connections are free from debris.
7.2. Ranplasman batri
Replace batteries when the low battery indicator appears on the display. Follow the instructions in Section 5.1.
7.3. Depo
- 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.
NAN. Depanaj
If you encounter issues with your Elitech LMG-10, refer to the table below for common problems and solutions:
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Aparèy pa limen | Batri ki mouri oswa mal enstale | Ranplase pil ak pil nouvo, asire polarite kòrèk. |
| Lekti presyon ki pa kòrèk | Koneksyon tiyo ki lach; Kalibrasyon detèktè nesesè; Yo chwazi move refrijeran | Check and tighten all hose connections. If issue persists, contact customer support for calibration guidance. Verify the correct refrigerant is selected. |
| Tanperati clamps not reading | Clamps not properly connected; Damaged clamp kab | Asire clamps are fully plugged into the ports. Inspect cable for damage. |
| Ekran an fèb oswa li ap tranble | Ba pouvwa batri | Ranplase pil. |
If the problem persists after attempting these solutions, please contact Elitech customer support.
9. Garanti ak Sipò Kliyan
Elitech Technology Inc. provides a 12-mwa garanti 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 Sipò kliyan 24 sou 7, XNUMX jou sou XNUMX 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 websit entènèt la oubyen atravè magazen Amazon yo a: Elitech Amazon Store.





