Regulations Regarding Latvian Building Code LBN Average monthly .. the difference is m s-1, but difference with LBN value is and. lbn 01 pdf to jpg. Quote. Postby Just» Tue Aug 28, am. Looking for lbn 01 pdf to jpg. Will be grateful for any help! Top. Regulations regarding the Latvian Building Code LBN “Construction Climatology”. Issued pursuant to. Section 2, Paragraph four of the Construction Law.

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Ēkas energoefektivitātes aprēķina metode

Data that cannot be obtained directly shall be obtained by using a calculation or the values specified in laws and regulations and standards. Q apk,z – total heat losses for heating Whwhich shall be determined in accordance with Paragraph 81 of this Regulation. If a building is partitioned into several zones and the heat flow between the zones is taken into consideration, then also any type of heat transmission including air movement shall be taken into consideration and the calculation shall be performed in accordance with Annex B to Standard LVS EN ISO Q dz,n – energy required for cooling, taking into consideration unoccupied periods Wh.

Q dz,n,kopa,z – total energy required for the cooling of the building zone zwhen using a combination of definite systems Whwhich shall be determined in accordance with Paragraph of this Regulation. A l,p – overall projected area of the glazed element for example, a window m 2. Energy Conversion and Management. The loss utilisation factor shall be determined regardless of the cooling system features, assuming that the temperature is fully controlled and is flexible.

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Energy consumption and calculation initial data collected in the assessment period must relate to the equal time periods. Q dz,ieg – total heat gains for cooling Whwhich shall be determined in accordance with Paragraph 84 of this Regulation.

It shall be used for calculating heat balance in short time periods for example, per hour. Q apk,n – energy required for heating, taking into consideration “holiday” periods Wh.

Duration of a heating and cooling season according to the running periods of the relevant system components shall be determined in accordance with Sub-chapter 5. Heat balance shall be calculated during a sufficiently long time period – one month or the whole season. Q dz,pr – total heat losses for cooling through transmission Whwhich shall be determined in accordance with Sub-chapter 5. The energy balance of a building shall also include the energy recovered in the buildings from different technical building systems.

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The generated TRY contains typical months from a number of different years. The following factors shall be taken into consideration in the cooling calculation when using the steady-state method:.

Generation of a Test Reference Year for Alūksne, Latvia : Rural Sustainability Research

T 1,dz – cooling temperature set for the building or building unit o Cwhich shall be determined in accordance with Sub-chapter 5. If heating, cooling and ventilation systems are combined, the total energy use for heating Q apk,sist and the total energy use for cooling Q dz,sist including system losses shall be determined as the required energy function for heating and cooling according lbnn the relevant standards for heating and cooling systems LVS EN Boundaries of an energy rating and the energy flow scheme are specified in Annex 2 to this Regulation.

Part of consumed energy that is smaller than 1 shall be allowed, if the suction ventilation releases heat right from the luminaires. Adjustment of energy consumption due to climatic conditions shall be calculated in accordance with Paragraphs 47 and 48 of this Regulation.

Generation of a test reference year for Alūksne, Latvia [2015]

Internal heat gains – heat flow part from the occupants and appliances in residential buildings. A calculation area may be specified individually for the heating and cooling season.

Procedure of the Validation of a Building Calculation Model. T 2,pieg – element k air flow supply temperature o Cincluding buildings or building zones with ventilation or infiltration, which shall be determined in accordance with Paragraph 89 of this Regulation.

Latvia State Standard In this case, calculations shall be carried out individually for each zone according to the procedure for one zone calculation. If an assessment period is not the full number of years, the annual energy consumption shall be obtained by using the extrapolation method.

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The following solar shading regulation types shall be distinguished for the solar shading control:. A validated building data set shall be used for this purpose, which is the output data of the building calculation model, in which one or several output data are adapted on the basis of the actual data, in order for the calculation results, when using the model, not to differ from the data of actual measurements.

The average temperature of a ventilated zone shall be assessed when the exhaust fan is switched on. The energy content of solid fuel for example, coal, wood depends on the quality and density thereof.

Procedure for Calculating Internal Heat Gains. The actual duration of the heating season 003-0 be used for the model validation in accordance with Sub-chapter 6. In such a case, a calculation shall be carried out ln using the following formulas:. The following information shall be required for the assessment of the technical building systems of a building:.

Issue 1 First Online: GDD 1 – standard number of degree days that determined in accordance with Paragraph 48 of this Regulation.

A calculated energy rating for a group of buildings may be carried out, if all of the following conditions are in force:. Dynamic parameter values of the time constant, thermal mass coefficient and internal thermal capacity of a building shall be calculated in accordance with the procedures laid down in this Sub-chapter or accepted in accordance with Annex 7 to this Regulation.

Hourly data for assessing the annual energy use for heating and cooling.

Aerated concrete, cored ceramic brick, ceramsite concrete, wood concrete. Total energy performance indicators of a building shall be determined following the calculation of the required calculated and used measured energy carriers. This Sub-paragraph shall also be applicable to cooling systems Ln dz,n, iQ dz,sist, i and Q dz,sist,pap, i .