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Bosch UT-L 54 User Manual

Bosch UT-L 54
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 54 Specifications

General IconGeneral
BrandBosch
ModelUT-L 54
CategoryBoiler
LanguageEnglish

Summary

Oil/gas special boilers

Features and benefits

Details advantages like 3-pass design, compact construction, and environmental responsibility.

Basic principles

Making optimal use of condensing technology

Discusses matching condensing boilers to heating systems for optimal performance.

Burner

Matched pressure-jet burners

Emphasizes matching boilers and burners for optimal combustion and low emissions.

Regulations and operating conditions

German Immissions Act (BlmSchG)

Details emissions specifications and requirements from German regulations.

Information on flue gas tests pursuant to BlmSchV/TA Luft

Guidance on conducting and preparing for flue gas tests and system checks.

Sound pressure level from noise in the boiler system

Noise at the chimney outlet

Addresses noise transmitted via the flue system and reduction with silencers.

Boiler control and control system

CFB 810 control unit with CME 930 auxiliary module

Details applications, safety functions, and burner control of the CFB 810.

CFB 930 and CFB 910 control units

Explains capabilities for single/multi-stage burners and multi-boiler systems.

DHW heating

System examples

Safety equipment to DIN-EN 12828

Outlines safety requirements and recommended equipment layout.

Layout of safety components to DIN-EN 12828

Illustrates safety components for boilers over 300 kW.

Hydraulic balancing line

Explains advantages and sizing of hydraulic balancing lines.

1-boiler system with UNIMAT UT-L boiler: boiler and heating circuit control unit

Shows system example with boiler/heating circuit control and overriding actuators.

1-boiler system with UNIMAT UT-Lboiler: boiler and heating circuit control unit with hydraulic separation

Illustrates system with hydraulic separation and minimum return temp control.

2-boiler system with two UNIMAT UT-L boilers: boiler circuit control unit with hydraulic separation

Illustrates a 2-boiler system with hydraulic separation and control unit.

Fitting

Additional safety equipment to DIN-EN 12828

Details required safety equipment and assemblies.

Flash trap to DIN-EN 12828

Selection table for flash traps required for boilers over 300 kW.

Flue system

Material requirements for flue systems of boilers with condensing heat exchangers

Details suitable materials for flue systems considering condensate.

Condensate drain

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