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Bosch UT-L 24 User Manual

Bosch UT-L 24
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 24 Specifications

General IconGeneral
Fuel TypeNatural Gas or Propane
AFUE95%
Efficiency95 %
Max Water Temperature180°F
TypeCondensing Boiler
Voltage120V

Summary

Oil/gas Special Boilers

Types and Heating Output

Details the different types and heating output ranges for the UNIMAT UT-L boilers.

Features and Benefits

Highlights key features like 3-pass design, optimized temperature characteristics, and compact construction.

Basic Principles

Economic Viability Considerations

Compares economic aspects of conventional vs. condensing boilers, including fuel costs and savings.

Technical Description

UNIMAT UT-L Boiler Overview

Provides a comprehensive overview of the UNIMAT UT-L boiler's components and function.

Burner

Regulations and Operating Conditions

Extracts from Regulations

Details compliance with relevant standards like EN 303, TRD 300, DIN-EN 12828 for installation and operation.

Operating Requirements

Specifies operating conditions, fuel requirements, corrosion protection, and water quality guidelines.

Boiler Control and Control System

CFB 810 Control Unit with CME 930 Auxiliary Module

Details the CFB 810 control unit, its applications, safety functions, and burner control capabilities.

CFB 930 and CFB 910 Control Units

Describes CFB 930/910 digital control units for boilers, including special functions and safety.

Safety Equipment to DIN-EN 12828

Sizing and Installation Information

1-Boiler System with UNIMAT UT-L Boiler: Boiler and Heating Circuit Control Unit

1-Boiler System with UNIMAT UT-Lboiler: Boiler and Heating Circuit Control Unit with Hydraulic Separation

1-Boiler System with UNIMAT UT-L Boiler: Boiler Circuit Control Unit

1-Boiler System with UNIMAT UT-L Boiler: Boiler Circuit Control Unit with Hydraulic Separation

2-Boiler System with Two UNIMAT UT-L Boilers: Boiler Circuit Control Unit with Hydraulic Separation

1-Boiler System with UNIMAT UT-L Boiler with Flue Gas Heat Exchanger: Boiler Circuit Control Unit

1-Boiler System with UNIMAT UT-L Boiler with Condensing Heat Exchanger: Boiler Circuit Control Unit with Hydraulic Separation

2-Boiler System with UNIMAT UT-L Boiler without Flue Gas Heat Exchanger and UT-L Boiler with Condensing Heat Exchanger: Boiler Circuit Control Unit with Hydraulic Separation

UNIMAT UT-L Boiler with Flue Gas Heat Exchanger or Condensing Heat Exchanger: Return Temperature Raising

Design of Installation Rooms and Combustion Air Supply

Additional Safety Equipment to DIN-EN 12828

Flue System

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