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Bosch UT-L 28 User Manual

Bosch UT-L 28
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 28 Specifications

General IconGeneral
BrandBosch
ModelUT-L 28
CategoryBoiler
LanguageEnglish

Summary

Oil/Gas Special Boilers

Features and Benefits

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

Technical Description

UNIMAT UT-L Boiler Overview

Overview of the boiler's equipment, including casing, insulation, and pressure body.

UNIMAT UT-L Boiler Function Principle

Explanation of the boiler's water guide system and 3-pass design for efficiency.

Boiler Efficiency and Standby Loss

Information on boiler efficiency, seasonal efficiency, and standby loss.

Burner

Regulations and Operating Conditions

Regulatory Extracts

Summary of relevant standards (EN 303, TRD 300) and installation regulations.

German Immissions Act (BlmSchG)

Emissions specifications based on German immission control laws and TA Luft.

Flue Gas Test Information

Guidance on conducting flue gas tests and preparing the system.

Water Quality Guidelines

Recommendations for chemical additives and water treatment for heating systems.

Water Analysis for Treatment Systems

Guidelines for water analysis to design effective water treatment systems.

Boiler Control and Control System

CFB 810 Control Unit with CME 930 Module

Description and application of the CFB 810 control unit with CME 930 module.

CFB 930 and CFB 910 Control Units

Details on CFB 930/910 digital control units and their special functions.

BCO Boiler Control

Overview of the intuitive BCO boiler control system for enhanced operation.

Safety Equipment to DIN-EN 12828

Safety Equipment Requirements

General requirements for safety equipment installation per DIN EN 12828.

Safety Component Layout (DIN-EN 12828)

Schematic illustration of safety component layout for direct heating.

1-Boiler System Examples

1-Boiler System with Control Unit

System example with integrated boiler and heating circuit control.

1-Boiler System with Boiler Circuit Control

System example with boiler circuit control unit and shunt pump.

1-Boiler System with Hydraulic Separation

System example with hydraulic separation and boiler circuit control.

1-Boiler System with Heat Exchanger

System example with flue gas heat exchanger and boiler circuit control.

2-Boiler System Examples

2-Boiler System with Hydraulic Separation

System example for a 2-boiler setup with hydraulic separation and boiler circuit control.

2-Boiler System Mix (Condensing/Non-Condensing)

2-boiler system example with mixed heat exchangers and hydraulic separation.

Fitting

Additional Safety Equipment (DIN-EN 12828)

Details on additional safety equipment required by DIN-EN 12828.

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