Hoval UltraGas 125 User Manual

Subject to modi cations |
EN
Technical information
Installation instructions
4 217 215 / 00 - 12/18 UK
Hoval products may only be installed and commissioned
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.
The oor-standing gas condensing boilers UltraGas
®
(125-1150) acc. to EN 15502-1/15502-2-1 are suitable
and licensed for use as heat generators for hot water
heating systems with a permissible ow temperature of
up to 90 °C
1)
. They are designed for continuously con-
trolled reduced operation in heating systems.
1)
See technical data
UltraGas
®
(125-1150)
Condensing gas heating boilers
for natural gas and liquid gas
for modulating operation
These instructions apply to the following types:
Rated output levels at 40/30ºC and for natural
gas
45-UltraGas
®
(125) 28 - 123 kW
45-UltraGas
®
(150) 28 - 150 kW
45-UltraGas
®
(200) 44 - 200 kW
45-UltraGas
®
(250) 49 - 250 kW
45-UltraGas
®
(300) 57 - 300 kW
45-UltraGas
®
(350) 58 - 350 kW
45-UltraGas
®
(400) 97 - 400 kW
45-UltraGas
®
(450) 97 - 450 kW
45-UltraGas
®
(500) 97 - 500 kW
45-UltraGas
®
(575) 136 - 575 kW
45-UltraGas
®
(650) 136 - 650 kW
45-UltraGas
®
(720) 142 - 720 kW
45-UltraGas
®
(850) 166 - 850 kW
45-UltraGas
®
(1000) 224 - 1000 kW
45-UltraGas
®
(1150) 233 - 1150 kW
45-UltraGas
®
H (720) 142 - 720 kW
45-UltraGas
®
H (1000) 224 - 1000 kW

Hoval UltraGas 125 Specifications

General

Brand	Hoval
Model	UltraGas 125
Category	Boiler
Language	English

Summary

Important Notes

General Safety Instructions

General safety instructions for system operation and compliance with regulations.

Explanation of Symbols

Explanation of warning symbols, signal words, and general information symbols.

Installation

Set-up

Technical Information

Boiler Description

UltraGas® (125-1150) Technical Data

Detailed technical specifications and performance data for the boiler models.

Dimensions and Space Requirements

Information on unit dimensions and required installation clearances.

Installation Procedures

Installation Safety Instructions

Safety precautions to be observed during the installation process.

Flue Gas Connection and Conduit

Gas Connection

Hydraulic Connection

Electrical Connection

Guidance on electrical installation, safety measures, and cable specifications.

Commissioning

Commissioning Safety Instructions

Safety precautions to be observed before and during commissioning.

Combustion Cylinder Pressure Monitoring

Functional check and settings for combustion cylinder pressure monitoring.

Gas Quantity and Flue Gas Measurement

Setting gas quantity and measuring CO2/O2, NOx/CO content in flue gas.

Gas Type Changeover

Procedure for changing between natural gas and liquefied gas types.

Maintenance

Maintenance Safety Instructions

Safety precautions required for performing maintenance tasks.

Cleaning Procedures

Gas Quantity and Flue Gas Measurement

Performing gas quantity setting and flue gas analysis during maintenance.

Parameter List for BIC 960

List of parameters for the BIC 960 automatic firing device.