Elitech MS-100 PLUS Digital Manifold Gauge User Manual
1. Product Introduction
Welcome to the Elitech MS series digital dual-manifold valve. This manual provides essential information to ensure safe and proper operation of your product. The MS-100 PLUS series integrates pressure, temperature, holding pressure, vacuum, and data recording modes, making it ideal for refrigeration and HVAC system troubleshooting and maintenance. It offers accurate real-time data, improving onsite efficiency and replacing traditional mechanical manifold valves. Features include a dot matrix LCD color screen for intuitive data viewing and APP support for report analysis and firmware upgrades.
2. Safety Instructions
- This product is not suitable for maintenance of ammonia (ammonia-containing) refrigerant systems.
- Contains batteries; do not place in high-temperature environments or throw into fire due to explosion risk.
- Avoid use during thunderstorms to prevent lightning strikes.
- Strictly follow the safety precautions for refrigeration systems.
- Wear safety goggles and protective gloves when using the product. Read the system unit's maintenance manual before connecting.
- If the product is found to be damaged, contact Elitech immediately. Do not disassemble privately, as this may cause further damage or fire/explosion.
3. Environmental Protection
Comply with local environmental policies. Refrigerants must not be discharged directly into the atmosphere and must be recovered using professional equipment. At the end of its life, recycle the product according to local regulations to avoid environmental pollution. Dispose of old batteries at designated collection points.
4. Overview
The Elitech MS-100 PLUS gauge features the following components:
- 1. LCD color screen: Displays readings and status.
- 2. Control buttons: MODE, ZERO/A, V/I for operation.
- 3. Sight glass: Allows visual inspection of refrigerant flow.
- 4. Valve knob: Blue for low pressure, red for high pressure.
- 5. Refrigerant tube bracket: Supports connection tubes.
- 6. Refrigerant tube connection port (1/4 SAE): Standard connection for refrigerant lines.
- 7. Valve core interface: For accessing the valve core.
- 8. Hanging device: For convenient mounting.
- 9. Battery compartment: Holds 2 AAA batteries (replaceable).
- 10. Information label: Contains product identification and certifications.
5. Button Functions
The MS-100 PLUS gauge is operated using three main buttons:
- MODE Button:
- Long press: Turn on/off the power.
- Short press: Turn on/off Bluetooth.
- ZERO/A Button:
- Long press: Enter the settings interface.
- Short press: Mode switch (pressure temperature/hold pressure/vacuum) or switch the main option in the settings interface.
- V/I Button:
- Short press: Switch refrigerant type; Start hold pressure test; Start leak test; Switch sub-option in the settings interface.
- Long press: End hold pressure test; Exit hold pressure data result display; End leak test; Exit vacuum data result display.
Refrigerant Selection: Long press the ZERO/A and V/I buttons simultaneously for 3 seconds to unlock refrigerant selection. The refrigerant area will turn red, indicating it can be switched. Short press ZERO/A or V/I to select the desired refrigerant. The selection will automatically lock after 10 seconds.
6. Technical Parameters
| Feature | Specification |
|---|---|
| Measurement Range | -14.5~800psi |
| Accuracy | ±0.5%FS |
| Resolution | 0.5psi |
| Units | Pressure: psi, kPa, MPa, bar, inHg Temperature: °C, °F |
| Refrigerant Types | 18 default types in the device, updatable via APP. Default types: R11, R12, R13, R22, R290, R32, R134a, R404A, R410A, R407C, R408A, R409A, R458A, R448A, R449A, R500, R502, R600. |
| Interfaces | 3 x 1/4 SAE; 1 x 1/4 SAE valve core |
| Power Supply | 2 x 1.5V AAA batteries |
| Battery Life | 100 hours (with dimmed screen display) |
| Display | LCD color screen |
| Main Unit Dimensions | 110 x 75 x 135mm |
| Weight | Approx. 700g |
7. Quick Operation Guide
7.1 Measuring Pressure and Temperature
- Press the MODE button to turn the device on and enter the PT interface.
- Hold the ZERO/A + V/I buttons for 3 seconds to unlock the refrigerant selection.
- The refrigerant section will turn red. Short press ZERO/A or V/I to select the desired refrigerant.
- Connect the high and low-pressure sides of the product to the system being tested.
- Start the system being tested to real-time monitor the system's pressure and saturation temperature among other parameters.
7.2 Hold Pressure Measurement
- Turn on the device and press the MODE button to enter the HOLD pressure interface.
- Charge the system being tested with an appropriate amount of nitrogen. When the pressure reaches the target value, close the high-pressure side valve.
- Press the V/I button to start the hold pressure test.
7.3 Vacuum Test
- Turn on the device and press the MODE button to enter the VAC interface.
- Start the vacuum pump to begin the vacuum test.
After vacuuming for a period, press the V/I button to start the leak test.
7.4 Refrigerant Charging
- Turn on the device and enter the PT interface.
- Connect the refrigerant tank to the middle interface.
- Close the high-pressure valve and open the low-pressure valve.
- Open the refrigerant line valve to charge refrigerant.
8. More Details
For more detailed information about the product, please refer to the manufacturer's resources. The document includes information in multiple languages, such as German, French, Spanish, Portuguese, and Chinese, in addition to English.
9. Family Products
Elitech offers a range of related products and services, including mobile applications for enhanced data analysis and product management. Explore the Elitech ecosystem for comprehensive solutions.
