Roca LAURA 20/20 User Manual

LAURA 20/20
LAURA 20/20 F
LAURA 20/20 T
ES
DE
Caldera mural de gas
Instrucciones de Instalación,
Montaje y Funcionamiento
para el INSTALADOR
Wall-mounted gas boiler
Installation, Assembly, and
Operating Instructions
for the INSTALLER
Chaudière murale à gaz
Instructions d’Installation,
de Montage et de Fonctionnement
pour L’INSTALLATEUR
Caldaia a gas da parete
Istruzioni d’Installazione,
Montaggio e Funzionamento
per l’INSTALLATORE
Caldeira mural a gás
Instruções de Instalação
Montagem e Funcionamento
para o INSTALADOR
Gas-Wandheizkessel
Installation-, Montage- und
Wartungsanleitung
für den INSTALLATEUR
GB
FR
IT
PT
LAURA 20/20 F LAURA 20/20 LAURA 20/20 T

Roca LAURA 20/20 Specifications

General

Brand	Roca
Model	LAURA 20/20
Category	Boiler
Language	English

Summary

Main Components Identification

Component Identification - English

Lists and labels the primary components of the gas boiler in English.

Electrical Wiring Diagrams

Control Panel Display and Functions

Programmer and Timer Settings Overview

Introduction to the programmer, clock, and timer functions.

Specific Technical Data

Installation and Assembly Guidelines

Requirements for safe installation, including hydraulic testing and clearances.

Safety Warnings and Precautions

General Safety and Installation Warnings

Covers gas evacuation, condensation, flue length, plastic piping, and electrical safety.

Boiler Model Specific Safety Advice

Specific safety recommendations for B11BS and B11 boiler types.

Start-up and Commissioning

Initial Pressure Check and Adjustment

Verifying and setting gas pressure and consumption after initial lighting.

Circulator Speed Adjustment for Noise Reduction

Optimizing circulator speed to minimize installation noise.

DHW Supply Adjustment

Regulating hot water flow for optimal performance at 45°C.

Maximum Output Function

Activating boiler for maximum output testing for combustion analysis.

Operation Modes: Stop Function

Boiler Safety Features (Antibloqueo, Anti-inertia, Anti-freeze)

Description of automatic safety functions like anti-lockout, anti-inertia, and frost protection.

Maintenance Requirements

Optional Programming Settings

Setting Heating Power and Temperature

Hysteresis, Circulator, and Unit Settings

Gas Supply and Maximum Power Adjustments

Gas Supply Pressure and Consumption Check

Combustion Test Mode Activation

Troubleshooting Common Anomalies

Common Boiler Faults (Pressure, Temp, Gas, Flue)

Identifies common error codes related to pressure, temperature, gas supply, and flue draft.

Troubleshooting Procedures and Service Calls

Gas Type Conversion Procedure

Gas Valve Replacement Steps