Beretta Ciao C.A.I User Manual

caldaie
Ciao C.A.I. - C.S.I.
Service Manual
caldaie

Beretta Ciao C.A.I Specifications

General

Brand	Beretta
Model	Ciao C.A.I
Category	Boiler
Language	English

Summary

General Information

General Instructions

General guidelines for boiler installation and use.

Basic Safety Rules

Essential safety precautions for boiler operation and maintenance.

General Guarantee Conditions

Boiler Model Identification

Main Components Identification

Burner

Description and function of the burner.

Combustion Chamber

Description of the combustion chamber structure.

Circulator

Function and description of the circulator.

Component Details

Igniter/Control Electrode

Details on the igniter/control electrode.

Flowmeter

Function and operation of the flowmeter.

Flow Limiter

Role of the flow limiter in reducing water flow.

Water Pressure Switch

Function and operating levels of the water pressure switch.

Safety Pressure Switch (C.S.I. only)

Function of the safety pressure switch.

Further Component Details

Filling Tap

Function of the filling tap for system filling.

Bi-thermal Exchanger

Description of the bi-thermal exchanger.

Air Box (C.S.I. only)

Function of the air box in isolating combustion components.

Electronic Control Panel

Function and connections of the electronic control panel.

Temperature Sensors and Control

NTC Temperature Control Probes

Role of NTC probes in temperature measurement.

Fumes Thermostat (C.A.I. only)

Function of the fumes thermostat.

Limit Thermostat

Function of the limit thermostat to prevent boiling.

By-Pass Valve

Purpose of the automatic by-pass valve.

Gas Valve

Function of the gas valve in ignition and regulation.

Safety and Ancillary Components

Safety Valve

Function of the safety valve for over-pressure protection.

Expansion Tank

Role of the expansion tank in compensating pressure.

Fan (C.S.I. only)

Function and characteristics of the fan.

Venturi and Pitot Tube (C.S.I. only)

Function of Venturi and Pitot tubes for pressure measurement.

Operating Principles Description

DHW Hydraulic Operation

How the boiler operates for domestic hot water production.

DHW Electric Operation

Electrical sequences for DHW operation.

DHW Temperature Adjustment

How to adjust domestic hot water temperature.

Central Heating Operation Principles

CH Hydraulic Operation

How the boiler operates for central heating.

CH Electric Operation

Electrical sequences for central heating operation.

Temperature Adjustments and Main Functions

CH Water Temperature Adjustment

How to adjust central heating water temperature.

Main Functions

Overview of main boiler functions like pump self-blocking and anti-frost.

First Ignition

Preliminary Operations

Essential checks before boiler ignition.

Start Up

Steps for igniting and using the boiler.

Ignition and Operation Modes

DHW Operation

How to operate the boiler for domestic hot water.

DHW Temperature Adjustment

Adjusting domestic hot water temperature.

CH Operation

How to operate the boiler for central heating.

CH Temperature Adjustment

Adjusting central heating temperature.

Controls During and After First Start Up

Checks on controls during and after initial startup.

Gas Transformation Procedures

Transformation from LPG to Methane

Procedure for transforming gas type from LPG to methane.

Transformation from Methane to LPG

Procedure for transforming gas type from methane to LPG.

Burner Pressure Calibration

Preliminary Operations

Preparations for burner pressure calibration.

Pressure Calibration Procedures

Pressure Calibration on the Burner

Steps for burner pressure calibration.

Maximum Calibrations

Steps for maximum pressure calibration.

Idling Calibration

Steps for idling pressure calibration.

Minimum Heating Gauging (C.S.I. only)

Procedure for minimum heating gauging.

Slow Ignition

Information on slow ignition adjustment.

Ionization Current Measuring

How to measure ionization current.

Combustion Parameter Control

C.A.I. Version

Procedure for combustion control in C.A.I. version.

C.S.I. Version

Procedure for combustion control in C.S.I. version.

Switching Off Boiler

Temporary Switching Off

How to temporarily switch off the boiler.

Switching Off for Long Periods

Procedure for long-term boiler shutdown.

Maintenance

Regular Programmed Maintenance Table

Schedule of maintenance operations.

Tooling Needed for Boiler Maintenance Works

List of tools required for maintenance.

Maintenance Safety and Access

Safety Norms

Safety regulations for installation and maintenance.

Accessibility to Components

How to access boiler components.

Burner Disassembly (C.A.I.-C.S.I. Version)

Circulator Disassembly (C.A.I.-C.S.I. Version)

Flame Igniter-Control Electrode Disassembly (C.A.I. Version)

Flame Igniter-Control Electrode Disassembly (C.S.I. Version)

Flowmeter Disassembly (C.A.I.-C.S.I. Version)

Case Disassembly (C.A.I.-C.S.I. Version)

Water Pressure Switch Disassembly (C.A.I.-C.S.I. Version)

Safety Pressure Switch Disassembly (C.S.I. only)

Bi-thermal Exchanger Assembly (C.A.I. Version)

Bi-thermal Exchanger Assembly (C.S.I. Version)

Electronic Control Panel Disassembly (C.A.I.-C.S.I. Version)

Heating NTC Probe Disassembly (C.A.I.-C.S.I. Version)

Sanitary NTC Probe Disassembly (C.A.I.-C.S.I. Version)

Fumes Thermostat Disassembly (C.A.I. only)

Limit Thermostat Disassembly (C.A.I.-C.S.I. Version)

Nozzle Disassembly (C.A.I. Version)

Nozzle Disassembly (C.S.I. Version)

By-Pass Valve Disassembly (C.A.I.-C.S.I. Version)

Gas Valve Disassembly (C.A.I. Version)

Gas Valve Disassembly (C.S.I. Version)

Safety Valve Disassembly (C.A.I.-C.S.I. Version)

Expansion Tank Disassembly (C.A.I.-C.S.I. Version)

Fan Disassembly (C.S.I. only)

Trouble Shooting

Faults Shown with Indicator Lights

Troubleshooting based on indicator light status.

Faults Without Indicator Lights

Error Signal Inspection: Flame Control System Blocked

Error Signal Inspection: Active Combustion Analysis Function

Error Signal Inspection: System Without Water

Electricity Supply Testing

Error Signal Inspection: Sanitary or Heating Probe Failure

Starting Up Inspection

Circulator Inspection

Safety Pressure Switch Inspection (C.S.I.)

Fumes Thermostat and Limit Thermostat Inspection (C.A.I.)

Limit Thermostat Inspection (C.S.I.)

Fan Testing (C.S.I.)

Working Tests

Working Tests for Boiler on Heating (C.A.I.)

Tests for heating operation in C.A.I. version.

Working Tests for Boiler on Heating (C.S.I.)

Working Tests for Boiler on Sanitary

Test A

Test B

Installation

Water Connection

Instructions for connecting the water supply.

Gas Connection

Instructions for connecting the gas supply.

Electrical Connection

Instructions for electrical connections.

Filling Up and Emptying System

Fumes Evacuation and Combustion Air Intake (C.A.I. Version)

Flue Installation Options

Coaxial Flues

Information on coaxial flue installation.

Separated Flues

Information on separated flue installation.

Eventual Evacuation Configuration

Appendix

Principal Components

Identification of main boiler components with diagrams.

Overall Dimensions

Technical Specification Tables

Functional Wiring Diagram C.A.I.

Multilead Diagram C.S.I.

Local Valve Connection