Rotex A1 BO User Manual

For certified companies
ROTEX A1 BO
Oil condensing boiler
Installation and maintenance
instructions
Type Rated thermal output
ROTEX A1 BO 15bio 12–15 kW
ROTEX A1 BO 20i 12–20 kW
ROTEX A1 BO 27i 20–27 kW
ROTEX A1 BO 35i 25–35 kW
Serial number
Customer
0645 BM 
GB
Edition 10/2007

Rotex A1 BO Specifications

General

Brand	Rotex
Model	A1 BO
Category	Boiler
Language	English

Summary

Safety

Observing Installation and Safety Instructions

Understanding Warning Signs and Symbols

Avoiding Operational Dangers

Proper Boiler Usage and Intended Application

Operating Safety Procedures and Precautions

Set-up and Installation

Boiler Dimensions and Connection Specifications

Different Boiler Set-up Configurations

Installation Site and Requirements

Air/Flue System and Water Connections

Electrical, Control, and Oil Line Connections

Start-up

Initial Boiler Start-up Process

Steps for the initial start-up of the boiler by trained personnel.

Pre and Post Start-up Checklists

Lists essential checks before and after the boiler start-up.

Control

Boiler Control Panel and Unit Operations

Details control panel functions, unit replacement, and basic operations.

Component Replacement Procedures

Guides on replacing control panel, cables, sensors, and fuses.

Wiring Diagram and Connections

Oil Burner

Burner Design, Safety, and Settings

Details burner design, safety functions, and primary adjustment procedures.

Burner Maintenance and Adjustment

Explains electrode/nozzle checks, burner removal/installation, and pump system maintenance.

Hydraulic Connection

Inspection and Maintenance

General Inspection and Maintenance Overview

Routine Service and Component Checks

Burner Component Replacement

Faults and Malfunctions

Troubleshooting Guide

Provides a systematic approach to diagnosing and resolving boiler issues.

Common Boiler Malfunctions and Possible Causes

Lists common malfunctions, their potential causes, and suggested solutions.

Burner Malfunctions and Fault Code Interpretation

Explains burner-specific malfunctions and how to interpret fault codes.

Rectifying Safety Temperature Limiter (STL) Faults

Guides on diagnosing and resolving safety temperature limiter (STL) faults.