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Immergas NIKE Star 23 kW User Manual

Immergas NIKE Star 23 kW
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NIKE Star 23 kW
Instantaneous wall-hung
with open chamber boilers
NIKE Star 23 kW
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Immergas NIKE Star 23 kW Specifications

General IconGeneral
Power Output23 kW
MountingWall-mounted
Heat Output23 kW
Max Water Temperature80 °C
TypeCondensing
Fuel TypeNatural Gas / LPG
Combustion TypeClosed chamber
Noise Level50 dB

Summary

NIKE Star 23 kW Overview

General Features

Boiler for heating and domestic hot water, microprocessor controlled.

Main Dimensions and Connections

Technical drawings and connection types with dimensions.

Boiler Components

Main Components Diagram

Diagram and list of internal components of the boiler.

Control Panel and User Interface

Control Panel Layout

Description of the boiler's user interface, buttons, and indicators.

Hydraulic Systems

Primary Hydraulic Circuit

Explanation of the central heating circuit operation and heat transfer.

Secondary DHW Circuit

How the boiler produces domestic hot water.

Key Boiler Components

Boiler Circulator Function

Details on the function and operation of the boiler's pump.

Primary Exchanger Details

Explanation of the bithermal exchanger for heating and domestic hot water.

Head Flow Rate Graph

Graph showing head vs. flow rate for central heating mode.

Safety Devices and Controls

System Safety Components

Automatic by-pass, pressure switch, filling valve, safety valves, air vent, expansion vessel.

Domestic Hot Water (DHW) Operation

DHW Circuit Operation

How the boiler operates for domestic hot water (DHW) production.

DHW Flow Switch Function

Detects hot water draw to activate DHW mode.

Bithermal Exchanger for DHW

Details on the exchanger for DHW and heating, recommends scale prevention.

Gas Circuit and Burner System

Gas Circuit Operation

How gas flows to the burner and is mixed with air.

Modulating Gas Valve and Coils

Controls gas flow and pressure, includes main and modulation coils.

Burner Ignition System

Description of the burner assembly, ignition, and detection electrodes.

Gas Settings and Conversion

Gas Valve Settings

Procedure to set maximum and minimum gas pressure.

Gas Type Conversion

Procedure for adapting the boiler to different gas types.

Electrical Circuitry

230V AC Circuit Diagram

Wiring diagram for the main 230V AC components.

Low Voltage Safety Controls

Description of safety devices operating at low voltage.

Boiler Loads and Low Voltage Circuit

Main Loads Overview

Ignition electrode, circulator, integrated board, gas valve.

Low Voltage Safety and Control Devices

Details on remote control, flow switch, pressure switch, and reset button.

User Controls and Probes

Functioning and Mode Selection

Using the functioning button (S2) for mode selection.

Temperature Monitoring Probes

Delivery (B1) and DHW (B2) probes for temperature measurement.

Safety Thermostats

Flue safety (E6) and Safety (E4) thermostats for protection.

Gas Valve Modulation Coil

Controls gas pressure for burner modulation.

Electrical Operation: Central Heating

Central Heating Circuit Wiring

Wiring diagram for central heating operation sequence.

Room Thermostat Integration

How the room thermostat interacts with central heating.

Remote Control in Central Heating

How the remote control panel manages central heating.

Electrical Operation: Domestic Hot Water

DHW Circuit Wiring

Wiring diagram for domestic hot water (DHW) operation sequence.

DHW Operation Sequence

How the boiler operates for DHW, including circulator and ignition.

Modulation Board Functionality

Modulation Board Overview

Microprocessor board controlling appliance functions and modulation.

Central Heating Request Sequence

Step-by-step sequence for initiating central heating operation.

Boiler Operational Modes and Requests

Domestic Hot Water Request

Sequence for initiating domestic hot water operation.

Antifreeze Protection Modes

How the boiler prevents freezing in CH and DHW circuits.

Chimney Sweep Function

Operation for the chimney sweep function.

Boiler Inputs and Signals

Remote Control and Input Signals

Signals from optional remote control and other inputs.

Key Input Switches and Probes

DHW flow switch, pressure switch, flame detection, probes, room thermostat, flue thermostat.

Boiler Outputs and Safety Devices

Electrical Outputs to Components

Signals to gas valve, ignition electrode, modulation coil, relays.

Safety Device Operations

Circulator antiblock and electromechanical contacts block functions.

Boiler Malfunction Blocks

Ignition and Flame Control Blocks

Parasite flame, no ignition, and flue safety thermostat blocks.

Overheating and Circulation Blocks

Safety thermostat, insufficient circulation, and probe breakage blocks.

Post-Circulation Pump Operation

Circulator runs after specific requests to prevent overheating.

Digital User Interface

Operating Indicators and Symbols

Display symbols indicating boiler status and functioning mode.

Malfunctions and Control Adjustments

Indicated Malfunctions and Error Codes

Table of malfunctions, flashing codes, and display illumination colours.

Control Push Button Functions

Associates push buttons with functions and parameters.

Integrated Board Programming

Procedure to access and modify boiler operating parameters.

Boiler Configuration and Settings

Solar Panel and Gas Type Settings

Configuration for solar panels and selecting gas type.

Central Heating Power and Timing

Settings for CH power, ignition timers, and ramp timers.

Anti-Leak and Post-Circulation Settings

Functions for anti-leak and post-DHW circulation.

Boiler Operating Sequences

Central Heating Sequence

Step-by-step sequence for central heating operation.

Domestic Hot Water Sequence

Step-by-step sequence for domestic hot water operation.

Technical Data Reference

NIKE Star 23 kW Technical Specifications

Detailed technical specifications and performance data.

Variable Heat Output Data

Heat Output Data by Gas Type

Data on variable heat output for different gas types.

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