Baxi PRIME HT 280 User Manual

Wall-mounted condensing boilers
Installerʼs and Userʼs Instructions
BAXI S.p.A. is a leading European manufacturer of central heating and domestic hot water appliances (wall mounted gas
boilers, floor standing boilers, electric water heaters) and has been certified by CSQ as conforming to UNI EN ISO 9001.
This certification confirms that the Quality System of
BAXI S.p.A. in Bassano del Grappa, where this boiler was manufactured,
satisfies the strict UNI EN ISO 9001 standard covering all aspects of company organisation, manufacturing and distribution.
UNI EN ISO 9001
CERTIFICAZIONE DEI SISTEMI
QU
ALITA' DELLE AZIENDE
PRIME HT
0085
GB

Baxi PRIME HT 280 Specifications

General

Brand	Baxi
Model	PRIME HT 280
Category	Boiler
Language	English

Summary

User Instructions

1. Instructions Prior to Installation

Preparations for boiler installation, covering water circuits and system cleaning.

2. Instructions Prior to Commissioning

Essential checks and procedures before the initial boiler startup.

3. Commissioning the Boiler

Step-by-step guide for lighting the burner and initial boiler setup.

4. Filling the System

8. Servicing Instructions

Installer Instructions

10. Pre-Installation Checks

Boiler suitability, flue integrity, and system cleaning requirements.

11. Boiler Installation Procedure

Steps for selecting location and connecting pipework, flue, and air ducts.

14. Flue and Air Duct Installation

Guidance on installing flue/air ducts, including types and warnings.

15. Mains Electrical Connection

Requirements for electrical safety, grounding, and power supply connection.

16. Gas Type Conversion and Calibration

16.1 Calibration Function Activation

18. Control and Safety Devices

Explanation of the boiler's safety mechanisms and operational controls.

20. Combustion Parameter Checks

25. Annual Maintenance Checks

26. QAA73 Parameter Programming

28. Wiring Diagrams

Illustrated wiring diagrams for PRIME HT 240-280-330 models.

28.1 Wiring Diagrams

Illustrated wiring diagrams for PRIME HT 1.120-1.240-1.280 models.

29. Technical Data Specifications

Comprehensive table of technical data for all PRIME HT boiler models.