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Bosch UT-L 48 User Manual

Bosch UT-L 48
88 pages
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Technical guide
Heating boiler
UNIMAT
UT-L
6 720 807 794(2013/04)EN

Table of Contents

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Bosch UT-L 48 Specifications

General IconGeneral
TypeCondensing Boiler
Efficiency95% AFUE
Modulation Ratio5:1
Heat Exchanger MaterialStainless Steel
MountingWall-mounted
Fuel TypeNatural Gas
Power120V / 60Hz

Summary

Oil/gas special boilers

Features and benefits

Highlights key features and benefits of the UNIMAT UT-L boiler.

Basic principles

Basic principles of condensing technology

Explains basic principles of condensing technology.

Making optimal use of condensing technology

Discusses how to best utilize condensing technology.

Technical description

Equipment overview

Lists and describes the components of the UNIMAT UT-L boiler.

Version overview

Outlines the available versions of the UNIMAT UT-L boiler.

Function principle

Explains the function principle of the flue gas heat exchanger.

Dimensions and specification for the flue gas heat exchangers

Provides dimensions for flue gas heat exchangers.

UNIMAT UT-L boiler

Lists main dimensions for the UNIMAT UT-L boiler.

Integrated heat exchanger without condensing technology - ECO 7

Details dimensions for the integrated ECO 7 heat exchanger.

Integrated heat exchanger with condensing technology - ECO6

Provides dimensions for the integrated ECO 6 heat exchanger.

Stand-alone flue gas heat exchanger without condensing technology - ECO 7

Lists dimensions for the stand-alone ECO 7 heat exchanger.

Stand-alone flue gas heat exchanger with condensing technology - ECO 6

Lists dimensions for the stand-alone ECO 6 heat exchanger.

Connections

Details the boiler's connection types.

Flow and return

Specifies flow and return connection diameters.

Flue outlet connection

Details flue outlet connection specifications.

Connector

Describes the flow and return connectors.

Characteristics

Lists key characteristics of the boiler.

Pressure loss on the water side

Shows pressure loss on the water side.

Pressure loss on the hot gas side

Presents pressure loss on the hot gas side.

Flue gas temperature

Discusses flue gas temperatures under various conditions.

Burner

Combustion details for the UNIMAT UT-L boilers

Provides combustion details for the boilers.

Regulations and operating conditions

Operating requirements

Lists operational requirements for the boilers.

Operating conditions

Specifies warranty conditions for operation.

Fuel

Covers fuel types and requirements.

Corrosion protection in heating systems

Discusses corrosion protection measures.

Guidelines for water quality

Provides guidelines for heating water quality.

Sound pressure level from noise in the boiler system

Boiler control and control system

CFB 810 control unit with CME 930 auxiliary module

Describes the CFB 810 control unit and its module.

CFB 930 and CFB 910 control units

Explains the CFB 930 and CFB 910 control units.

DHW heating

System examples

Safety equipment to DIN-EN 12828

Covers safety equipment requirements.

Layout of safety components to DIN-EN 12828

Shows layout of safety components.

Fitting

Flue system

Requirements

Outlines general requirements for flue systems.

Condensate drain

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