Baxi Luna 3 Avant 240 Fi User Manual

Instructions for the User and the Installer
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Baxi Luna 3 Avant 240 Fi Specifications

General

Brand	Baxi
Model	Luna 3 Avant 240 Fi
Category	Boiler
Language	English

Summary

1. Instructions Prior to Installation

1.1. Hot Water Circuit Precautions

Precautions for hot water circuit, especially regarding water hardness.

1.2. DHW Circuit Flushing

Flushing the DHW circuit after installation.

2. Heating Circuit Preparation

Cleaning and flushing new and existing heating systems with suitable products.

2. Instructions Prior to Commissioning

3. Commissioning of the Boiler

4. Central Heating (CH) and Domestic Hot Water (D.H.W.) Temperature Adjustment

5. Filling the Boiler

9. Error Messages and Table of Faults

Error Code Description of Faults

List of error codes, their descriptions, and corrective actions.

10. Servicing Instructions

12. Instructions Prior to Installation

1. Hot Water Circuit

Precautions for hot water circuit, especially regarding water hardness.

2. Heating Circuit

Cleaning and flushing new and existing heating systems with suitable products.

13. Boiler Installation

15. Installation of Flue and Air Ducts

Coaxial Flue - Air Duct (Concentric)

Describes the coaxial flue system for exhaust and air intake, including bend effects.

15.1 Horizontal Flue Terminal Installation Options

15.2 LAS Flue Duct Installation Options

15.3 Vertical Flue Terminal Installation Options

Separated Flue-Air Ducting

15.5 Separated Horizontal Flue Terminals Installation Options

15.6 Separated Vertical Flue Terminals Installation Options

16. Connecting the Mains Supply

17. Fitting a Room Thermostat

18. Gas Change Modalities

A) Substitute the Main Burner Injectors

B) Change the Modulator Voltage

C) Pressure Adjusting Device Setting

Steps for adjusting pressure to achieve nominal heat output, including checks.

C2) Adjustment to Reduced Heat Output

19.3 Anomalies Display

20. Parameters Setting

21. Control and Operation Devices

Air Pressure Switch for Forced Draught Model

Overheat Safety Thermostat

Flame Ionization Detector

Frost Protection Device

23. Check of Combustion Parameters

25. Connection of the External Probe

26. Electrical Connections to Remote Control Device

27. Electrical Connections to a Zonal Heating System

27.1 Connecting the Relay Board

27.2 Connecting the Zones

28. How to Purge the DHW System from Limestone Deposits