Services - Kontrol 94 Ltd.

Testing of solid fuel appliances under accreditation

The testing laboratory at „Kontrol 94” Ltd. is an accredited testing laboratory in the regulated and non-regulated areas of ЕA BAS according to BDS EN ISO / IEC 17025:2018 and hаs a certificate No122 ЛИ dated 29.01.2021 valid until 29.01.2025 with the following scope of accreditation:
• BDS EN 13240 – Room heaters fired by solid fuels;
• BDS EN 13229 – Inset appliances including open fires fired by solid fuels;
• BDS EN 12815 – Residential cookers fired by solid fuels;
• BDS EN 12809 – Residential independent boilers fired by solid fuels. Nominal heat output up to 50 kW;
• BDS EN 14785 – Residential space heating appliances fired by wood pellets;
• BDS EN 15250 – Slow heat release appliances fired by solid fuels;
• BDS EN 15821 – Multy-firing sauna stoves fired by natural wood logs;
• BDS EN 303-5 – Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW.

The laboratory has a flexible scope of accreditation – it is allowed to introduce a new version of the standards or standards that replace them. The laboratory maintains an up-to-date list of standards with their dated versions

Construction products assessment

The assessment of performance of construction products according to Regulation (EC) 305/2011

Kontrol 94 Ltd. is a notified body with a notification number NB 1879 of the register of the European Commission and permit No CPR12 – NB 1879/09.10.2013 of the Ministry of Investment Planningtocarry out the assessment of performance ofconstruction products.

The company performs initial type test (ITT) andthe assessment of performance of solid fuel appliances according to the following standard specifications:

BDS EN 13240 – Room heaters fired by solid Fuel. Requirements and test methods;
BDS EN 13229 – Inset appliances including open fires fired by solid fuels. Requirements and test methods;
BDS EN 12815 – Residential cookers fired by solid fuels. Requirements and test methods;
BDS EN 12809 – Residential independent boilers fired by solid fuels. Nominal heat output up to 50kW. Requirements and test methods;
BDS EN 14785 – Residential space heating appliances fired by wood pellets. Requirements and test methods;
BDSEN 15250 – Slow heat release appliances fired by solid fuels. Requirements and test methods;
BDS EN 15821 – Multy-firing sauna stoves fired by natural wood logs. Requirements and test methods;

The service rendered by Kontrol 94 Ltd. is well known, excellently accepted and evaluated by many Bulgarian and foreign manufacturers.

Gas Products

ЕО examination of the type – Part of the Procedure for gas appliances conformity assessment.

The company performs primary testing of the type for conformity assessment of gas appliances according to the following standard specifications:

BDS EN 26 -Gas-fired instantaneous water heaters for the production of domestic hot water;
BDS EN 30-1-1 – Domestic cooking appliances burning gas – Part 1-1: Safety – General;
BDS EN 30-1-2 – Domestic cooking appliances burning gas – Safety – Part 1-2: Appliances having forced-convection ovens and/or grills;
BDS EN 30-1-3 -Domestic cooking appliances burning gas – Part 1-3: Safety – Appliances having a glass ceramic hotplate;
BDS EN 30-1-4 -Domestic cooking appliances burning gas – Safety – Part 1-4: Appliances having one or more burners with an automatic burner control system;
BDS EN 30-2-1 -Domestic cooking appliances burning gas – Part: 2-1: Rational use of energy – General;
BDS EN 30-2-2 -Domestic cooking appliances burning gas – Part 2-2: Rational use of energy – Appliances having forced-convection ovens and/or grills;
BDS EN 89 – Gas-fired storage water heaters for the production of domestic hot water;
BDS EN 125 – Flame supervision devices for gas burning appliances. Thermoelectric flame supervision devices;
BDS EN 126 – Multifunctional controls for gas burning appliances;
BDS EN 203 – Gas heated catering equipment;
BDS EN 416 – Single burner gas-fired overhead radiant tube heaters for non-domestic use;
BDS EN 419 – Non-domestic gas-fired overhead luminous radiant heaters;
BDS EN 437 – Test gases. Test pressures. Appliance categories;
BDS EN 449 – Specification for dedicated liquefied petroleum gas appliances. Domestic flueless space heaters (including diffusive catalytic combustion heaters);
BDS EN 461 – Specification for dedicated liquefied petroleum gas appliances. Flueless non-domestic space heaters non exceeding 10kW;
BDS EN 484 – Specification for dedicated liquefied petroleum gas appliances. Independent hotplates including those incorporating a grill for outdoor use;
BDS EN 497 – Specification for dedicated liquefied petroleum gas appliances. Multipurpose boiling burners for outdoor use;
BDS EN 498 – Specification for dedicated liquefied petroleum gas appliances. Barbecues for outdoor use;
BDS EN 521 – Specification for dedicated liquefied petroleum gas appliances. Portable vapour pressure liquefied petroleum gas appliances;
BDS EN 613 – Independent gas-fired convection heaters;
BDS EN 777 – Multi-burner gas-fired overhead radiant tube heaters systems for non-domestic use;
BDS EN 778 -Domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 70 kW, without a fan to assist transportation of combustion air and/or combustion products;
BDS EN 1106 – Manually operated taps for gas burning appliances;
BDS EN 1596 – Specification dedicated liquefied petroleum gas appliances. Mobile and portable non-domestic forced convection direct fired aid heaters;
BDS EN 15502-1 -Gas-fired heating boilers – Part 1: General requirements and tests;
BDS EN 15502-2-1 -Gas-fired central heating boilers – Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW;
BDS EN 15502-2-2 -Gas-fired central heating boilers – Part 2-2: Specific standard for type B1 appliances;
BDS EN 16129 – Pressure regulators, automatic change-over devices, having a maximum regulated pressure of 4 bar, with a maximum capacity of 150 kg/h, associated safety devices and adaptors for butane, propane, and their mixtures.

The service rendered by Kontrol 94 Ltd. is well known, excellently accepted and evaluated by many Bulgarian and foreign manufacturers.

Оther products

The company also performs tests of products according to the requirements of:

BDS EN 1860-1 „Appliances, solid fuels and firelighters for barbecueing. Part 1: Barbecues burning solid fuels. Requirements and test methods.”

Laboratory analysis

Laboratory(definite) testing and analysis

As already mentioned before, the company performs the assessment of performance for combustion appliances according to construction Regulation and gas European directive.

The company’s laboratories perform heat and emission measurements for determining the technical and operational features of the solid and liquid fuel and gas appliances, as well as primary testing of the fire safety.

The laboratory performs also testing for current and production control of the above appliances.

We offer determination of the following technical and operational characteristics and parameters:

Fire safety – determining the safety distances to flammable materials;
Combustion products emissions – determined in the output gases:
- oxygen,
- carbon dioxide
- carbon monoxide,
- nitrogen oxides,
- organic gases,
- dust.
Determination of hazardous substances;
Surface temperature of the controls during appliance operation;
Smoke gases temperature;
Testing of boilers at double maximum service pressure;
Heat output:
- total heat output,
- boiler heat output,
- space heating output .
Energy efficiency – efficiency of the appliance,
Flue gas mass flow in g/s emitted by the appliance.

Testing of solid fuel appliances under accreditation

Construction products assessment

Gas Products

Оther products

Laboratory analysis

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