Table of Contents
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Technical information
Installation instructions
UltraGas
(70,100)
®
Condensing gas heating boilers
for natural gas and liquid gas
for modulating operation
Hoval products may only be installed and commissioned
by appropriately qualified experts. These instructions
are intended exclusively for the specialist. Electrical
in stal lations may only be carried out by a qualified
electrician.
Subject to modifi cations
|
4 217 214 / 02 - 11/19
These instructions apply to the following types:
Rated output levels at 40/30 ºC
and for natural gas
45-UltraGas
®
45-UltraGas
®
The floor-standing gas condensing boilers UltraGas
(70,100) 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 flow temperature of
up to 85 °C
. They are designed for continuously cont-
1)
rolled reduced operation in heating systems.
See technical data
1)
(70)
13.6 - 69.9 kW
(100)
20.9 - 100.0 kW
EN
®
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Table of Contents
Related Manuals for Hoval UltraGas 2D 250
Summarization of Contents
1. Important notes
1.1 General safety instructions
General safety precautions and conditions for trial operation of the system.
1.2 Explanation of the symbols
Explanation of danger, warning, caution, and notice symbols used in the manual.
1.3 On delivery
Procedure for visual inspection of the boiler upon receiving it and handling damage claims.
1.4 Warranty
Details of warranty exclusions and conditions for covered defects.
1.5 Manuals
Information on where to find relevant manuals and further sources of information.
1.6 Regulations, official approvals
Overview of relevant national and international standards and regulations for installation and operation.
2. Installation
2.1 Set-up
Recommended procedure for setting up the boiler on a foundation slab and initial unpacking steps.
3. Technical information
3.1 Description of the boiler
Overview of the UltraGas® boiler's design, components, and operating principle.
3.2 Technical data UltraGas® (70,100)
Detailed technical specifications and performance data for the UltraGas® (70,100) models.
3.3 Dimensions
Detailed dimensional drawings and specifications for the UltraGas® (70,100) boiler.
3.4 Space requirement
Diagrams and dimensions specifying the required clearance and space for installation.
3.5 Boiler flow resistance
Graph illustrating boiler flow resistance based on volumetric current.
3.6 Brief description of the automatic firing device
Overview of the BIC960 automatic firing device's properties and integrated functions.
4. Installation
4.1 Safety instructions
Safety precautions during installation, especially regarding sharp edges and casing handling.
4.2 Requirements on the boilerhouse
Regulations and requirements for boiler room ventilation, materials, and air quality.
4.3 Flue gas connection and flue gas line
Guidelines for connecting flue gas lines, including material requirements and regulations.
4.4 Condensate drain
Information on condensate drain materials, design variants, and local regulations.
4.5 Gas connection
Procedure and safety warnings for connecting the gas supply to the boiler.
4.6 Hydraulic connection
Details on the safety-technical equipment integrated into the boiler for hydraulic connections.
4.7 Electrical connection
Instructions for qualified technicians on making the electrical connection to the heat generator.
5. Commissioning
5.1 Safety instructions
Safety precautions before commissioning, including handling sharp edges and risks for non-experts.
5.2 Filling the heating system
Procedure for filling the heating system, including compliance with standards and pressure checks.
5.3 Water quality
Requirements for heating water quality according to EN 14868 and VDI 2035.
5.4 Venting the gas pipe
Procedure for venting the gas pipe in compliance with necessary regulations.
5.5 Switching on
Procedure for switching on the system and releasing the burner.
5.6 Gas inlet pressure
Required gas inlet pressure values for natural gas and liquefied gas.
5.7 Functional check of combustion cylinder pressure monitoring
Safety check of the combustion cylinder pressure monitoring device and pressure switch settings.
5.8 Setting the gas quantity, measuring the CO2 (O2) and NOx/CO content in the flue gas (flue gas measurement)
Procedure for setting gas quantity and measuring flue gas composition (CO2, O2, NOx, CO).
5.9 Changing to a different type of gas
Procedures for changing gas type, including natural gas to liquid gas conversion.
5.10 Handover to the operator
Points to cover during the handover of the system to the end-user.
5.11 Record - Activation of screed function
Description and settings for the screed floor drying function via the Top Tronic® E control module.
6. Maintenance
6.1 Safety instructions
Safety precautions during maintenance, including risks from sharp edges and electrical hazards.
6.2 Deaeration
Procedure for deaerating the heating system and its components.
6.3 Top up with water
Procedure for replenishing water in the system and warnings related to low pressure.
6.4 Renewing fuse
Instructions for replacing fuses, requiring work by a qualified electrician.
6.5 Information for combustion controller / chimney sweep regarding emission monitor key
Guidance for technicians on emission metering and manual operation settings.
6.6 Cleaning
General guidelines for cleaning the Hoval gas boiler, to be performed annually by specialists.
6.6.1 Cleaning the burner cylinder
Detailed procedure for cleaning the burner cylinder, including necessary tools and steps.
6.6.2 Cleaning the combustion chamber and burner cylinder on the outside
Instructions for cleaning the combustion chamber and external burner cylinder using approved agents.
6.6.3 Cleaning/setting ignition ionisation device
Procedure for cleaning and setting the ignition ionisation device, including specific distances.
6.7 Setting the gas quantity, measuring the CO2 (O2) and NOx/CO content in the flue gas (according to point 5.8)
Maintenance for gas quantity and flue gas analysis, to be performed periodically.
6.8 Maintaining the neutraliser box (if fitted)
Procedure for servicing the neutraliser box, including refilling granules and checking pH value.
6.9 Cleaning the condensation trap
Instructions for cleaning the condensation trap, checking its seal, and refilling with water.
6.10 Parameter list - automatic firing device BIC 960
List of parameters for the automatic firing device BIC 960, intended for customer service technicians.
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