Immergas Mini Nike 28 KW 3.016340 Boiler User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Immergas Mini Nike 28 KW 3.016340 Boiler. Please read this manual thoroughly before attempting any installation, operation, or maintenance procedures. Keep this manual in a safe place for future reference.

2. Safety Information

WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the gas supplier.

• Installation and service must be performed by a qualified professional.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
• Ensure adequate ventilation in the installation area.
• Never block air vents or exhaust flues.
• If you smell gas, immediately shut off the gas supply, open windows, and evacuate the building. Do not operate electrical switches or phones. Contact your gas supplier or fire department.
• This appliance is designed for methane gas supply. Do not attempt to convert to other fuel types.

3. Product Overview

The Immergas Mini Nike 28 KW 3.016340 is a compact methane gas boiler designed for heating and domestic hot water production. It features advanced components for efficient and reliable performance, making it an ideal solution for installations with limited space.

3.1 Key Features

• Hydraulic unit with 3-way valve.
• Adjustable speed circulation pump with air separator.
• Sanitary flow switch for hot water draw-off detection.
• Membrane expansion vessel, safety valve, and pressure gauge.
• Overtemperature safety thermostat.
• LED self-diagnosis system.
• Microprocessor electronic board with continuous flame modulation.
• Ignition delay in heating phase.
• Anti-freeze protection system (down to -5°C).
• Chimney sweep function.
• Lower protective cover.
• Connection group with adjustable fittings and gas/cold water shut-off valves.

3.2 Product Components

Below is an image illustrating the exterior of the Immergas Mini Nike 28 KW 3.016340 Boiler, highlighting its compact design and control panel.

Figure 1: Front view of the Immergas Mini Nike 28 KW 3.016340 Boiler. The image shows a white, rectangular boiler unit with a control panel located at the bottom. The control panel features three rotary knobs and a pressure gauge, indicating user interface for operation and monitoring.

4. Setup and Installation

IMPORTANT: Installation of this appliance must be carried out by a qualified and certified professional in accordance with all local and national regulations and standards.

1. Site Selection: Choose a suitable location that meets ventilation requirements and allows for proper flue gas exhaust. Ensure sufficient space for maintenance access.
2. Mounting: Securely mount the boiler to a sturdy wall using appropriate fasteners.
3. Hydraulic Connections: Connect the heating system flow and return pipes, domestic cold water inlet, and hot water outlet to the boiler's connection group. Ensure all connections are watertight.
4. Gas Connection: Connect the methane gas supply to the boiler's gas inlet. A qualified gas technician must perform this step and check for leaks.
5. Flue System: Install the flue gas exhaust system according to manufacturer instructions and local regulations.
6. Electrical Connection: Connect the boiler to the electrical supply. Ensure proper grounding.
7. Filling the System: Fill the heating system with water and bleed air from the radiators and boiler. Check the system pressure on the boiler's pressure gauge.
8. Initial Startup: Follow the specific initial startup procedure outlined by Immergas, typically involving checking for leaks, verifying gas pressure, and testing safety devices.

5. Operating Instructions

The Immergas Mini Nike 28 KW 3.016340 Boiler is designed for user-friendly operation. The control panel (refer to Figure 1) allows for adjustment of heating and domestic hot water settings.

5.1 Control Panel Overview

• Heating Temperature Knob: Adjusts the desired temperature for the central heating system.
• Domestic Hot Water (DHW) Temperature Knob: Adjusts the desired temperature for domestic hot water.
• Mode Selector Knob: Selects operating modes (e.g., Summer, Winter, Off, Reset).
• Pressure Gauge: Displays the system water pressure. Maintain pressure within the recommended range (typically 1.0 to 1.5 bar when cold).
• LED Indicators: Provide status information and error codes for the self-diagnosis system. Consult the troubleshooting section for interpreting codes.

5.2 Starting the Boiler

1. Ensure the gas supply valve is open.
2. Ensure the water supply valves are open and system pressure is adequate.
3. Turn the Mode Selector Knob to the desired operating mode (e.g., Winter for heating and DHW, Summer for DHW only).
4. The boiler will initiate its startup sequence. If it fails to ignite, refer to the troubleshooting section.

5.3 Adjusting Temperatures

• Rotate the Heating Temperature Knob to set the desired central heating temperature.
• Rotate the DHW Temperature Knob to set the desired domestic hot water temperature.

6. Maintenance

WARNING: Before performing any maintenance, ensure the boiler is switched off and disconnected from the electrical and gas supply. Only qualified personnel should perform complex maintenance tasks.

6.1 Annual Professional Service

It is highly recommended to have your Immergas boiler serviced annually by a qualified and certified technician. Annual service ensures optimal performance, safety, and longevity of the appliance. The technician will typically:

• Inspect and clean the burner and heat exchanger.
• Check gas pressure and combustion efficiency.
• Inspect and test safety devices.
• Check the expansion vessel pressure.
• Inspect all water and gas connections for leaks.
• Clean the condensate trap (if applicable).

6.2 User Maintenance

• Check System Pressure: Regularly check the pressure gauge (refer to Figure 1). If the pressure drops below 1.0 bar when the system is cold, repressurize the system according to your installer's instructions or consult a technician.
• Keep Vents Clear: Ensure that all air vents and flue terminals are free from obstructions (e.g., leaves, debris, snow).
• Clean Exterior: Clean the exterior casing of the boiler with a soft, damp cloth. Do not use abrasive cleaners or solvents.

7. Troubleshooting

This section provides solutions to common issues you might encounter. For problems not listed here or if solutions do not resolve the issue, contact a qualified service technician.

8. Technical Specifications

The following table provides key technical specifications for the Immergas Mini Nike 28 KW Boiler. Values are approximate and subject to manufacturing tolerances.

Figure 2: Technical data sheet for Immergas Mini Nike 24-28 KW boilers. This image displays a detailed table with various technical parameters, including thermal input, output, efficiency, water pressure, and electrical data, specifically for the 24 KW and 28 KW models.

9. Warranty and Support

For information regarding the warranty period and terms for your Immergas Mini Nike 28 KW 3.016340 Boiler, please refer to the warranty card provided with your product or contact your authorized Immergas dealer. Keep your proof of purchase for warranty claims.

For technical support, spare parts, or to schedule a service appointment, please contact your local Immergas service center or the installer who fitted your boiler. Always provide the full model number and serial number of your appliance when seeking support.