1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the Srliya HQM6110U Generator Set Controller. The HQM6110U is designed to integrate digital, intelligent, and network technologies for the automation and monitoring of a single generator set, enabling automatic start/stop, data measurement, alarm functions, and remote control capabilities.
2. Product Overview
The HQM6110U controller features a large-screen Liquid Crystal Display (LCD) with multi-language support (Chinese, English, Spanish, Russian) for user-friendly operation. It is engineered for robust performance and reliability in various generator applications.

Figure 1: Front view of the Srliya HQM6110U Generator Set Controller, showing the LCD display and control buttons.
Key Features:
- Automatic start/stop control for generator sets.
- Comprehensive data measurement and display.
- Integrated alarm and protection functions.
- Support for three remote functions (telemetry, telecontrol, telesignaling).
- Large LCD display with multiple language options.
- Compatible with various power supply systems.
3. Specifications
- Model: HQM6110U
- Material: Plastic
- Speed Sensor Frequency Range: 1Hz-10KHz
- Speed Sensor Voltage Range: 0.5V-70V
- Fuel Relay Output: 15Amp DC output
- Power Supply Compatibility: Suitable for 3-phase 4-wire, 3-phase 3-wire, single-phase 2-wire, 2-phase 3-wire (120V/240V) systems
- System Frequency: 50Hz/60Hz
- Operating Voltage: DC8-36V
4. Package Contents
Upon unpacking, verify that all items listed below are present:
- 1 x Generator Set Controller (HQM6110U)
- 1 x User Manual (this document)
- 4 x Mounting Brackets

Figure 2: The HQM6110U controller shown with the included mounting brackets.
5. Setup and Installation
Proper installation is crucial for the safe and reliable operation of the generator set controller. Ensure all power sources are disconnected before beginning installation.
5.1 Mounting
Mount the controller in a secure location, protected from excessive vibration, moisture, and extreme temperatures. Use the provided mounting brackets to firmly secure the unit to a panel or enclosure.
5.2 Wiring Connections
Refer to the internal wiring diagram for all electrical connections. The controller requires a DC8-36V power supply. Connect the generator output, speed sensor, fuel relay, and other auxiliary inputs/outputs according to the diagram. Ensure all connections are tight and correctly polarized.

Figure 3: Front and rear view of the HQM6110U controller, illustrating the terminal block layout and internal wiring diagram for connection guidance.
The wiring diagram on the back of the unit details connections for:
- Power Input: DC8-36V.
- Generator Voltage (GENS VOLTAGE): Terminals for U, V, W, N2.
- Mains Voltage (MAINS VOLTAGE): Terminals for R, S, T, N1.
- Auxiliary Outputs: Multiple auxiliary outputs (AUX OUTPUT 1-4) for various control functions.
- Fuel/Crank Outputs: Dedicated outputs for fuel and crank relays.
- Speed Sensor Input: For engine RPM detection.
- Analog Inputs: For sensors such as oil pressure, coolant temperature, fuel level.
- Digital Inputs: For various alarm or status signals.
- RS485 Communication: For remote monitoring and control.
Verify that the power supply system (3-phase 4-wire, 3-phase 3-wire, single-phase 2-wire, or 2-phase 3-wire) matches the controller's configuration settings.
6. Operating Instructions
The HQM6110U controller provides intuitive operation through its front panel buttons and LCD display.

Figure 4: Close-up view of the controller's LCD display and control panel, highlighting the various buttons and indicators.
6.1 Control Buttons:
- Start (Green Button): Initiates the generator start sequence.
- Stop (Red Button): Stops the generator.
- Auto (Button with 'AUTO' icon): Activates automatic operating mode, allowing the controller to start/stop the generator based on configured parameters (e.g., utility power failure).
- Man (Button with Hand icon): Activates manual operating mode, allowing direct control of the generator.
- Menu (Button with three horizontal lines): Accesses the controller's menu for parameter settings and system information.
- OK (Button): Confirms selections or enters sub-menus.
- Up/Down Arrows (Buttons): Navigates through menu options or adjusts parameter values.
- C/O (Close/Open Button): Controls the generator circuit breaker (if configured).
6.2 LCD Display:
The LCD displays real-time operational data and status indicators, including:
- Voltage (V)
- Frequency (Hz)
- Current (A)
- Power (kW)
- Engine RPM
- Coolant Temperature (°C)
- Oil Pressure (kPa)
- Running status indicator
- Alarm status indicator
To navigate the display and adjust settings, use the Menu, OK, and arrow buttons. Refer to the on-screen prompts for specific parameter adjustments.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your HQM6110U controller.
- Cleaning: Keep the controller's surface clean and free from dust and debris. Use a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Connections: Periodically check all wiring connections for tightness and signs of corrosion. Loose connections can lead to intermittent operation or damage.
- Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges to prevent damage to internal components.
8. Troubleshooting
If the controller is not functioning as expected, consider the following basic troubleshooting steps:
- No Power: Check the DC power supply (DC8-36V) and ensure all power connections are secure.
- Generator Fails to Start: Verify the fuel level, battery charge, and engine start circuit connections. Check for any active alarm indicators on the display.
- Incorrect Readings: Ensure all sensor connections (speed, voltage, current, temperature, pressure) are correctly wired and functioning.
- Alarm Active: Identify the specific alarm code or message displayed on the LCD. Consult the controller's internal alarm list (accessible via the Menu) for details on the alarm and recommended actions.
For persistent issues, contact qualified technical support.
9. Warranty and Support
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For warranty claims or technical assistance, please refer to the contact information provided with your purchase documentation or contact your supplier.
Please retain your proof of purchase for warranty purposes.