Viessmann CM2C Installation Instructions For Contractors

Viessmann CM2C Installation Instructions For Contractors

Gas condensing boiler for open flue and room sealed operation

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VIESMANN
Installation instructions
for contractors
Vitocrossal 200
Type CM2C, 75 to 311 kW
Gas condensing boiler
For open flue and room sealed operation
VITOCROSSAL 200
Dispose after installation.
5799212 GB/en 12/2017

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Table of Contents
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Summarization of Contents

Safety Instructions
Safety Symbols and Warnings
Explains symbols and warnings for safe operation.
Target Group
Defines the intended users and their qualifications for installation.
Applicable Regulations
Lists national and trade-specific regulations for installation compliance.
System Safety Procedures
Outlines essential safety steps before and during system work.
Information
Disposal of Packaging
Guidelines for environmentally sound disposal of packaging materials.
Manual Symbols
Interpretation of symbols used throughout the manual.
Appliance Intended Use
Specifies the appliance's intended application and limitations.
Vitocrossal 200 Product Details
Details on the Vitocrossal 200 model, including specifications and delivery contents.
International Conversion Notes
Information regarding country-specific approvals and delivery limitations.
Installation Preparation
Installation Clearance Requirements
Required space and distances for boiler installation and maintenance access.
Boiler Installation Steps
Boiler Siting and Levelling
Instructions for positioning, anchoring, and ensuring the boiler is level.
Base Frame Removal Procedure
Steps for safely detaching the boiler from its base frame if needed.
Burner Mounting
Burner Fixture Reorientation
Procedure for reconfiguring the burner fixture for different installation needs.
Thermal Insulation and Casing Fitting
Insulation Mat Installation
Guidance on installing thermal insulation mats onto the boiler.
Side Panel Pre-assembly
Steps for preparing the boiler's side panels before attachment.
Rail and Bracket Installation
Instructions for installing support rails and brackets for casing components.
Front Panel and Programming Unit Fitment
Details on fitting the front panel components and programming unit.
Connecting Cable Installation
Procedures for routing and securing various cables to the boiler.
Control Unit and Burner Plug Connections
Guide for connecting plugs to the burner's control unit.
Programming Unit Plug Connections
Instructions for connecting cables to the programming unit.
Electronics Unit Plug Connections
Steps for connecting cables to the main electronics unit and back of the boiler.
Back Panel Installation
Instructions for attaching the rear access panels to the boiler casing.
Heating Water Connections
Flow and Return Port Connections
Details on connecting the heating water circuits to the boiler's flow and return ports.
Critical Water Quality Standards
Crucial information regarding acceptable water quality to prevent boiler damage.
Making the Safety Connections
Low Water Protection Installation
Guidance on installing a device to protect against water shortage.
Control Unit Wiring
Connections to the Electronics Unit
Specific instructions for wiring the control unit to the boiler's electronics.
Electrical Cable Management
Best practices for routing and securing electrical cables for safety and performance.
Flue Gas Connections
Flue Outlet and Trap Setup
Steps for connecting the flue system and installing the condensate trap.
Flue System Safety Precautions
Essential safety warnings regarding flue system integrity and combustion air supply.
Condensate Drain Pipe Installation
Optional Neutralising System Fitment
Instructions for installing the optional neutralising system for condensate.
Gas Supply Connection
Gas Line Preparation and Routing
Procedures for creating apertures and routing the gas supply line.
Gas Supply Connection and Compliance
Guidance on connecting the gas supply according to relevant standards.
Gas Line Testing and Purging
Steps for performing leak tests and purging the gas line safely.
Commissioning and Adjustments
Front Panel Installation and Security
Steps for fitting the front panel and securing it against unauthorized access.

Table of Contents