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Hoval Uno-3 95 User Manual

Hoval Uno-3 95
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Subject to modi cations |
EN
Technical information
Assembly instructions
4 205 116 / 02 - 02/14
Hoval products must be installed and commissioned only
by appropriately qualied experts. These instructions
are intended exclusively for the specialist. Electrical
installations may only be carried out by a qualied
electrician.
Uno-3 (95-125) boilers are suitable and licensed for
use as heat generators for hot water heating systems
with a permissible ow temperature of up to 100 °C
1)
.
They are designed for closed-circuit systems, but can
also be installed in open systems as per EN 12828.
1)
See technical data
Uno-3 (95-125)
Oil/gas boilers
These instructions are applicable to the
following types:
7-Uno-3 (95,110,125)
7-Uno-3 b-i* (95,110,125)
* = Burner integrated
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Hoval Uno-3 95 Specifications

General IconGeneral
BrandHoval
ModelUno-3 95
CategoryBoiler
LanguageEnglish

Summary

Important Information

Other Instructions

Further information sources and essential system manuals.

Safety Information

Conditions that must be met for trial operation and safety.

Regulations, Official Approvals

Regulations for installation and operation in Germany, Austria, Switzerland.

Installation

Setting Up and Levelling

Procedures for positioning and levelling the boiler.

Fitting the Heat Insulation

Steps for attaching insulation mats and panels to the boiler.

Fitting the Casing

Instructions for attaching boiler casing components and covers.

Technical Information

Description of the Boiler

Explanation of the Uno-3 as a threepass boiler and its gas flow.

Compliance with Directives and Standards

Declaration of compliance with relevant European directives and standards.

Technical Data (Switzerland)

Detailed technical specifications for the Uno-3 (95-110) model in Switzerland.

Technical Data (Other Countries)

Detailed technical specifications for the Uno-3 (110,125) models outside Switzerland.

Boiler Dimensions

Diagrams and measurements for boiler dimensions.

Transport Dimensions

Transport dimensions of the boiler without insulation and casing.

Installation Procedures

Boiler Room Requirements

Specifications for boiler room dimensions, air supply, and ventilation.

Flue Gas System Connection

Requirements for flue gas system connection and dimensioning.

Burner Fitting

Instructions for mounting the burner, including flange requirements.

Fuel and Electrical Connection

Specifies approved fuels and requirements for electrical supply installation.

Flue Gas Regulator Set

Information on identifying and changing flue gas regulators for temperature control.

Flue Gas and Performance Diagrams

Graphs showing flue gas temp vs. heat capacity for different models.

System Integration and Safety

Flow mixing, temp regulators, safety valves, and pump settings.

Commissioning

Water Quality and Filling Procedures

Guidelines for heating water quality and filling the system.

System Commissioning and Handover

Final checks, burner setup, user explanation, and handover procedures.

Calorifier Filling (if present)

Notes on filling the calorifier for boiler operation.

Maintenance

Emission Monitor and Manual Operation

Using the emission monitor key for manual operation and safety considerations.

Boiler Cleaning Procedure

Preparatory work, cleaning methods, and post-cleaning steps.

Overview of Settings

Table of Parameters

General parameter tables for surface operation.

Time Programs Configuration

Settings for DHW, Direct, and Mixer circuit time programs.

Hydraulic and System Parameters

Parameters for hydraulic functions and system-wide settings.

DHW and Unmixed Circuit Settings

Parameters for domestic hot water and unmixed circuits.

Mixer Valve Settings

Parameters for mixer valve 1 and 2.

Heat Generator, Ancillary, and Fuel Settings

Settings for heat generator, return control, solar, and solid fuel.

Operational Mode and Communication Settings

Settings for buffer, main supply, cascade, bus, service, and alarms.

Fault Reporting Overview

Fault Reporting TopTronic®T

Overview of fault reporting codes, types, and remarks for troubleshooting.

Sensor Allocation Settings

Allocation of sensors to different system components and functions.

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