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Viessmann VITOCROSSAL Series User Manual

Viessmann VITOCROSSAL Series
44 pages
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Installation instructions
for contractors
VIESMANN
Vitocrossal
Type CIB, 80 to 318 kW
Gas condensing boiler with MatriX cylinder burner
Open flue and room sealed operation
VITOCROSSAL
5839818 GB 9/2019
Dispose after installation.

Table of Contents

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Viessmann VITOCROSSAL Series Specifications

General IconGeneral
Heat Exchanger MaterialStainless Steel
Boiler TypeCondensing
EfficiencyUp to 98%
Installation TypeWall-mounted
Modulation Ratio1:10

Summary

Safety Instructions

Safety Precautions and Regulations

Covers safety symbols, target audience, regulations, and working procedures.

Repair Work Safety

Guidelines for safe repair procedures and the use of genuine spare parts.

Product Information and Usage

Disposal and Symbols

Instructions on packaging disposal and explanation of document symbols.

Intended Use and Product Details

Defines proper appliance use, product specs, system examples, and country conversions.

Preparing for Installation

Clearance and Handling

Specifies clearance dimensions and provides guidance for delivery and handling the boiler.

Siting and Thermal Insulation

Covers boiler siting, levelling, and fitting thermal insulation components.

Installation Sequence

Mounting the Burner

Instructions for installing the burner assembly onto the boiler.

Fitting the Gas Supply Pipe

Steps for connecting and routing the gas supply pipe.

Flue Gas and Trap Connection

Instructions for fitting the boiler flue connection and the condensate trap.

Control Unit Installation

Procedures for assembling and mounting the control unit onto the boiler.

Connecting External Cables

Instructions for connecting various external electrical components and accessories.

Commissioning and Adjustment

Procedures for initial startup, testing, and setting up the appliance.

Burner Electrical Connections

Wiring for Different Burner Sizes

Specific electrical wiring instructions for burner sizes up to 318 kW.

Heating Water Side Connections

Safety Equipment and Valve Installation

Instructions for installing safety equipment block, safety valve, and checking water level.

Flue Gas and Condensate Management

Condensate Drain and Neutralising System

Connecting the condensate drain and optional neutralising system.

Flue Gas Connection Guidelines

Guidelines for ensuring a correct and safe flue gas connection.

Connection and Wiring Diagram

Technical Specifications

Output, Weight, and Dimensions

Details on rated output, weight, boiler body, and overall dimensions.

Foundation and Flue Gas Parameters

Information on foundation requirements and flue gas data.

Product Efficiency Standards

Specifications related to energy efficiency standards (EnEV).

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