FREE ENGLISH ELITECH EMG-40V (01) PDF USER GUIDE
FREE ENGLISH ELITECH EMG-40V (01) PDF USER MANUAL
FREE ENGLISH ELITECH EMG-40V (01) PDF OWNER GUIDE
FREE ENGLISH ELITECH EMG-40V (01) PDF OWNER MANUAL
FREE ENGLISH ELITECH EMG-40V (01) PDF REFERENCE GUIDE
FREE ENGLISH ELITECH EMG-40V (01) PDF INSTRUCTION GUIDE
FREE ENGLISH ELITECH EMG-40V (01) PDF REFERENCE MANUAL
FREE ENGLISH ELITECH EMG-40V (01) PDF INSTRUCTION MANUAL
FREE ENGLISH ELITECH EMG-40V (01) PDF OPERATING INSTRUCTIONS
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What precautions should be taken before using the intelligent manifold gauge?
Only qualified personnel trained in the service and installation of A/C and/or refrigeration equipment should use this product. You must read and understand the user manual in its entirety before use to prevent injury or damage.
Cautions:
This product is not suitable for the maintenance of ammonia (ammonia-containing) refrigerant systems.
This product contains batteries. Do not place it in a high-temperature environment or in a fire, as it may explode.
Do not use this product during a thunderstorm to avoid being struck by lightning, which can cause life danger and product damage.
Strictly obey the safety cautions of the refrigeration system.
Please wear goggles and protective gloves while using the product. Read the maintenance instructions of the system unit carefully before connecting the device.
If the product is damaged, contact the provider. Do not dismantle the product on your own to avoid further damage that might cause a battery fire or explosion.
When using other power adapters, the output voltage must not exceed 5V; otherwise, the instrument will be damaged.
The magnet at the back of the product is for positioning the folded hook. Do not attach the product to any metal surface to avoid it from falling and getting damaged.
What do the operational risk descriptions in the manual mean?
The manual provides the following descriptions for operational risk:
Incorrect operation may cause serious injury.
Incorrect operation may cause minor injury.
Incorrect operation may damage the device.
What are the guidelines for environmental protection when using this device?
Please comply with local environmental protection policies. Refrigerants should not be directly discharged into the atmosphere and must be recycled with professional equipment.
At the end of the product’s service life, please recycle it according to local regulations. Do not dispose of it randomly to avoid environmental pollution.
What are the key features of the EMG series intelligent manifold gauge?
Simple & easy operation with a 5″ smart touch screen and clear data display.
Support for App Operation via Bluetooth for real-time data viewing and analysis.
Support for USB to read and export data.
Auto heat pump mode without changing the refrigerant hoses.
Detects vacuum leakage, monitoring the vacuum value precisely.
The refrigerant weight measurement function is currently unavailable but the manifold can control the new Elitech scale in the future.
What are the main components of the EMG-20V model?
1. High temperature clamp sensor interface (with sealed plug)
2. Low temperature clamp sensor interface (with sealed plug)
3. Type-C power interface (with sealing plug)
4. Power button
5. High pressure control valve
6. Low Pressure Control Valve
7. Metal handles
8. 5 inches IPS capacitive color touch screen
9. Sight window
10. Low pressure refrigerant pipe interface (1/4 SAE port)
11. High pressure refrigerant pipe interface (1/4 SAE port)
12. Refrigerant charging interface (1/4 SAE port)
13. Refrigerant pipe bracket
What are the main components of the EMG-40V model?
1. High temperature clamp sensor interface (with sealed plug)
2. Low temperature clamp sensor interface (with sealed plug)
3. Type-C power interface (with sealing plug)
4. Power button
5. High pressure control valve
6. Low Pressure Control Valve
7. Metal handles
8. 5 inches IPS capacitive color touch screen
9. Sight window
10. Low pressure refrigerant pipe interface (1/4 SAE port)
11. High pressure refrigerant pipe interface (1/4 SAE port)
12. Refrigerant charging interface (1/4 SAE port)
13. Vacuum refrigerant pipe interface (3/8 SAE port)
14. Vacuum control valve
15. Charging control valve
16. Refrigerant pipe bracket
What accessories are included with the device?
The standard package includes:
1. Temperature clamps
2. Vacuum transmitter
3. Transmitter T-joints
4. Transmitter bending joint
Additionally, the following items are included based on the model:
| Product and Accessories | Quantity |
|---|---|
| EMG-20V/EMG-40V intelligent manifold gauge | 1 |
| Vacuum transmitter (T-joint) | 1 |
| Temperature clamp | 2 |
| Bent joint | 1 |
| Refrigerant Hoses | 3 (EMG-20V) 4 (EMG-40V) |
| Power adapters | 1 |
| USB-C Cable | 1 |
| Instructions | 1 |
What are the technical specifications of the manifold?
| Pressure measurement range | -14.5~800psi/-1.0~55.2bar/-0.1~5.5MPa/-1.0~56.2kg/cm² |
| Accuracy | 0.5%FS |
| Resolution | 0.5psi/0.03bar/0.003MPa/0.03kg/cm² |
| Sampling frequency | 0.5s |
| Pressure unit | psi, kg/cm², cmHg, inHg, bar, kPa, MPa |
| Overload | 1000psi/69bar/6.8MPa/70kg/cm² |
| Pressure interface | 1/4SAE*3 3/8 SAE*1 (EMG-40V) |
| Sensor interface | PS/2*2 (the left interface is temperature and vacuum probe multiplexing) |
| USB Interface | Type-C*1 (for data export and charging) |
| Charging parameter | 5V2A |
| Battery capacity | 5000mAh |
| Recording time | 800h (Interval time 30s) |
| Screen parameter | 5″IPS capacitive touch screen |
| Distance | 30m |
| Dimensions | 254*215*46mm (EMG-20V) 254*215*71mm (EMG-40V) |
| Weight | 3.5lb /1.59kg (EMG-20V) 3.8lb /1.73kg (EMG-40V) |
| Working temperature | -14~122°F/-10~50°C |
| Storage temperature | -4~140°F/-20~60°C |
What are the technical specifications for vacuum measurement?
| Vacuum measurement range | 1-19000 microns |
| Accuracy | 1-10000 microns: ±10% of reading / ±10 microns 10000-19000 microns: ±20% of reading |
| Resolution | 0-400: 1 micron 400-3000: 10 microns 3000-10000: 100 microns 10000-19000: 250 microns |
| Vacuum unit | micron, inHg, Torr, psia, mbar, mTorr, Pa, kPa |
| Interface | 1/4SAE port |
What are the technical specifications of the temperature clamp?
| Temperature Measurement Range | -40~302°F/-40~150°C |
| Accuracy | ±0.9°F/±0.5°C |
| Resolution | 0.2°F/0.1°C |
| Temperature unit | °F/°C/K |
| Interface | PS/2 |
How do I perform a pressure and temperature measurement?
1. Press the power button to turn on and enter the main menu.
2. Connect the high and low pressure temperature clamp on both sides of the mainframe and clamp the temperature sensor to measure the temperature of the corresponding system.
3. Connect the high pressure and low pressure interface of the system to the corresponding interface of the instrument.
4. Click on the Pressure/Temp icon to enter the pressure temperature measuring interface.
5. Select the refrigerant by clicking the refrigerant icon (e.g., R134a).
6. Choose the corresponding working mode according to the current system, usually the refrigeration mode.
7. After the setup is done, you may check the accurate status of the system through the interface.
How do I perform a pressure holding measurement?
1. Fill the system with an appropriate amount of nitrogen.
2. Close the High-Pressure Side Valves.
3. Connect the measured system to the high-pressure side of the instrument.
4. Click the Pressure Hold icon to enter the pressure-holding test.
5. Click the settings icon and set the desired parameters, including decay ratio, pressure-holding time, and whether to enable temperature compensation.
6. Press the start icon to begin the pressure-holding test. The countdown timer will start. The device calculates pressure variants and the deflation rate automatically based on the current and initial value. The test fails if the current value is less than the alarm value; the test passes if the current value is greater than the alarm value and exceeds the pressure-holding duration.
How do I perform a vacuum measurement?
1. Connect vacuum transmitters to the system and connect the communication cable to the manifold.
2. Open the low-pressure side and high-pressure side valves (applicable to EMG-20, EMG-40 series). For EMG-40 series, also open the vacuum valve and close the charging valve.
3. Click the Evacuation icon to enter the vacuum interface and set the desired value and working time.
4. Turn on the vacuum pump and pump to the set value.
5. Click the alarm icon to set the alarm.
6. Close all valves.
7. Click the leak test icon to enter the leak test.
This function requires the vacuum transmitter to be plugged into the socket on the left of the device.
What are the functions on the main interface?
The main interface displays when the device is turned on. It has icons for the following functions:
PRESSURE/TEMP: Enters the Pressure and Temperature Measurement screen.
PRESSURE HOLD: Enters the Pressure Holding Measurement screen.
EVACUATION: Enters the Evacuation (Vacuum) Measurement screen.
SMART SCALE: For the Electronic Refrigerant Scale (a future function).
SETTINGS: Enters the settings menu.
The status bar at the top displays the time, power/battery indicator, wireless connection, and recording status.
What do the status bar icons for wireless and recording mean?
| Wireless has been turned on | Record function has been turned on |
| Wireless has been turned off | Record function has been turned off |
What options are available in the Setting Interface?
The setting interface includes:
Unit Settings: To change measurement units.
Refrigerant Selection: To choose the refrigerant.
Pressure Hold Setting: To configure pressure hold test parameters.
Evacuation Setting: To configure vacuum test parameters.
Record Setting: To manage data logging.
System Setting: To adjust general device settings.
Click the icon to enter the corresponding setting page.
How do I adjust system settings?
On the System Settings page, you can set the backlight brightness, backlight time, system auto shutoff, and system language.
Press Wireless to enable/disable wireless connectivity.
Press Zero to zero off the high and low pressure. Please place the device in an atmospheric environment while calibrating.
Press Factory to perform a factory reset.
How do I manage data recording?
In the “Record Settings” page, you can enable or disable recording, set the recording interval, and clear the record history. Press the “Format” button to clear the record history. Recording will stop automatically when it reaches maximum capacity. Please export the data in time and clear the record history to avoid data loss.
What do the icons on the Pressure and Temperature Measurement screen mean?
| Icon display status | Instruction |
|---|---|
| Selected refrigerant (e.g., R134a) | Refrigerant scale setting |
| Refrigeration mode | Heat pump mode |
| Automatic mode |
Refrigeration mode: This is the regular mode.
Heat pump mode: VSAT and LSAT parameter display positions will be switched.
Automatic mode: The display position of corresponding parameters will switch automatically when the low-pressure side pressure is 1 bar higher than the high-pressure side.
How do I switch between the dial and curve mode views?
Simply click on the middle of the dial meter to switch to curve mode. Click the back arrow icon to switch back to dial mode.
Can the manifold connect to an Elitech refrigerant electronic scale?
The refrigerant scale function is coming up soon. Currently, the manifold cannot connect to Elitech scales. The “Smart Scale” function will show “No connectable device detected!”
What do the parameter abbreviations on the display mean?
| Parameter | Description | Parameter | Description |
|---|---|---|---|
| SH | Superheating | TC ON | Temp compensation enable |
| VSAT | Vapor saturation temperature | TC OFF | Temp compensation disable |
| TLOW | Temperature of low side | TC | Temp compensation |
| SC | Subcooling | ETR | Estimated time remaining |
| LSAT | Liquid saturation temperature | Pc | Current pressure |
| THIGH | Temperature of high side | Pi | Initial pressure |
| ΔΤ | TLOW-THIGH | ΔΡ | Pc-Pi |
| Factory | Factory reset |
How do I troubleshoot common problems with the device?
| Problem | Possible causes/solutions |
|---|---|
| Failed to turn on device | Connect the device to the charger and try to turn it on after 5 minutes. |
| Touch screen doesn’t work | Make sure the environment temperature is within the working temperature range (-14~122°F/-10~50°C). |
| The measured temperature shows “—“ | Check if the temperature clamp is fully connected or if the measuring temperature is out of the measurement range. |
| Pressure zone display “E02” | Pressure uncalibrated |
| The pressure value shows large error | Please place the device in the atmospheric environment to calibrate zero. |
| Vacuum display “—-“ | The system has a large leak, or the vacuum transmitter data is abnormal. |
| No response after clicking the interface button | System crashes. Long press the Power button for 7s to restart the system. |
How should I operate and maintain the manifold gauge?
1. Storage: It is recommended to store the fully charged device or disconnect the battery if not using it frequently.
2. Cleaning: Please wipe the device with a damp cloth. Do not wash it directly. Note: Do not use any corrosive solvents!
3. Connectors: Keep the connectors clean and remove surface dirt regularly.
4. Leak Check: Check the device for any leaks regularly. It is recommended to check once a year.
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