Sit 820 NOVA mV - User Manual

9.956.820 02
820 NOVA
ENGLISH - ITALIANO - FRANCAIS - DEUTSCH- NEDERLANDS - ESPAÑOL - SVENSKA
Read the instructions before use. This control must be installed in accordance with the rules in force.
Leggere le istruzioni prima dell’uso. Questo controllo deve essere installato in accordo con le normative in vigore.
Consultez les notices avant d’utiliser ce dispositif. Son installation doit répondre aux règles en vigueur.
Lesen Sie die Instruktionen vor Inbetriebnahme. Dieser Regler muß nach den gültigen Vorschriften installiert werden.
Lees de richtlijnen voor gebruik. Deze regelaar moet worden geinstalleerd in overeenstemming met de heersende voorschriften.
Leer las instrucciones antes de usar este dispositivo. Este control debe ser instalado conforme a las normas en vigor.
Läs instruktionerna före användning. Denna kontrollanordning måste installeras i enlighet med gällande föreskrifter.
9956820-02_MI_820 NOVA_A4 27-10-2003 16:38 Pagina 1

Summary

Use and Installation Instructions

Main Features

Lists the key characteristics and components of the gas valve.

Working Diagram

Illustrates the functional flow for different valve versions.

Manual Gas Flow Adjustment

Explains how to adjust gas flow and provides a graph.

Technical Data

Electrical Data

Details electrical specifications for AC and mV versions.

Gas Flow

Presents gas flow performance data in graphs and tables.

Operation

Pilot Flame Ignition

Instructions for igniting the pilot flame.

Igniting the Main Burner

Instructions for igniting the main burner.

Stand-by Position

How to keep the main burner off with the pilot burner on.

Turning Off

Instructions for turning off the device.

Installation

Mechanical Connections

General recommendations and specific gas connections.

Electrical Connections

Precautions and guidelines for electrical connections.

Wiring Diagrams

Visual guides for AC-powered connections.

Settings and Adjustments

Outlet Pressure Adjustment

Steps to adjust the outlet pressure.

Overriding the Pressure Regulator

Instructions for using an accessory to override the regulator.

Adjustment of Gas Flow to the Pilot Burner

How to adjust the pilot gas flow.

Changing the Gas Family or Group

Guidance on adapting the valve to different gas types.

Description of the Valve

Identifies and describes the numbered parts of the valve.

Maintenance

Accessoires

Lists available accessories and their part numbers.

Sit 820 NOVA mV Specifications

General

Brand	Sit
Model	820 NOVA mV
Category	Industrial Equipment
Language	English