Details on Room view

Applied

Used

Indicates whether a room component is designed with a panel system. Designed components can be recognized by the marking . With a Click, the design of the system in the component can be deactivated or activated at any time.

By setting the checkmark, an adjusted heat or cooling load is determined for the room.

For floors, the calculation of the revised heat or cooling load is performed automatically before the dimensioning.

In the case of wall surface systems, the surfaces to be allocated should first be defined here and provided with a checkmark in order to determine the revised heat or cooling load. Only then the dimensioning of the individual surfaces should take place. For wall surface systems, it is assumed that not the entire wall surface is allocated.

No

Circuit Number

Indicates the numbering of the heating or cooling circuits of the room. Feed pipes of the circuits get the same number as the circuit.

Code Type

Abbreviation or type

Displays the abbreviation of the room component or the zone type of the panel heating/cooling system.

Room components

Define room components, which surfaces are to be allocated with systems. The meanings of the abbreviations used are as follows.

• FL = Floor

• EWA = Exterior wall

• IWA = Interior walls

• RF = Roof

• CL = Ceilings

If no heat or cooling load calculation is available, the appropriate room components still have to be defined first. A Click into the field or F5 opens the context menu to define the type of component. The selection options of the room components are system-dependent and refer to all systems in the system preselection.

Further room components can be added by a Click into a free line of the table or with F5.

Panel systems

Surfaces can be assigned different surface types. Abbreviations for the possible surface types are as follows.

• O = Occupied zone

• B = Border zone

• IB = integrated border zone

• F = Feed pipe zone

• ZD = insulated feed pipe zone

• BA = Blank area

There has to be at least one room component in the table to assign a surface type to it. A Click in a blank line of the table or F5 opens the context menu to assign the surface type. If there are several components in the table, the component to which a type should be assigned has to be selected first.

System Pipe run manifold (port)

System used, pipe run number, distributor number

Indicates the system used for room components and for occupied, border and feed pipe zones the pipe run and manifold number as well as the manifold connection.

Room components

Indicates the system used by means of the abbreviation from the system preselection. If the mouse pointer is positioned over the field, the tooltip shows the system used.

A Double click, F8 or the button opens the Select a system element dialog, where another system can be selected out of the system preselection.

Zones of systems

Indicates the pipe run number, manifold number, and manifold connection for occupied, border, and feed pipe zones.

A Double click, F8 or the button opens the Select a pipe run or manifold dialog, where another pipe run or manifold can be selected out created.

OR LP

Orientation, Laying pattern

Indicates the orientation of the room component or the laying pattern of the heating or cooling zone.

Room components

The orientation of the room component is taken from the heat or cooling load and can only be changed there. Abbreviations used are H for horizontal for floors, ceilings and roofs, in addition to the abbreviations for the orientation ( N, E, S, W, NE, NW, SE, SW).

Heating and cooling zones

Displays the laying pattern of the heating or cooling area. Modifications of the laying procedure are system-dependent. Possible laying procedures are:

• M = Meander

• DM = Double meander

  Note:

  Drawing of heating and cooling zones with a double-meander laying pattern is currently only available in connection with ACAD.

• S = Spiral

In systems with a selection of laying patterns, a double-click, F8 or the button opens a context menu in which the laying system can be modified.

R surface m²K/W

Heat conduct resistances of the surface

The R-value of the surface is only displayed for room components.

By default, DIN is suggested as heat conduct resistance. This corresponds to an R-value of 0.10 m²K/W.

A double click, F8 or the button opens the dialog R-Values, where another R-Value for the surface can be selected or new variables can be created.

R Insulation, m²K/W

Insulation option to the outside (with heat conduct resistance to the outside)

It indicates the proposed or selected insulation option to the adjacent room of the panel system. The insulation option is only displayed for room components.

A double click into the field, F8 or the button opens the dialog Select insulation variant, in which other insulation variants and options can be selected depending on the system.

t°C

Adjoining temperature

The Adjoining temperature is only displayed for room components. It depends on the insulation variant or option and can be manually modified.

w m

Width

Specifies the width of the room component or circuit zone. If the components have already been entered for determining the heat or cooling load, the width and length are automatically adopted when dimensioning a floor system. For wall surfaces, it is assumed that not all of the wall surface will be occupied by heating or cooling modules. The width therefore still has to be entered here.

With F9, the dimension for floor systems can be measured directly from the CAD program.

h/l m

Height or length

Specifies the height (for walls) or length (for floors and ceilings) of the room component or circuit zone If the components have already been entered for determining the heat or cooling load, the width and length are automatically adopted when dimensioning a floor heating. For wall surfaces, the room height is automatically applied as a suggestion. Since it is assumed that not all of the wall area will be occupied by heating or cooling modules, the height may have to be adjusted.

With F9, the dimension for floor systems can be measured directly from the CAD program.

A’ m²

Total area of the room component or heating/cooling zone

Specifies the defined area of the room component or heating or cooling circuits.

With F9, the dimension can be measured directly from the CAD program.

Share Phi W

Proportion of the required capacity

Specifies the total capacity required for room components. Suggested values can be taken from the heat or cooling load calculation or from the room template.

For feed pipes, the percentage of the capacity output of the feed pipe is specified. The consideration of additional insulation and covers, which reduce the capacity output, is possible by manual adjustment. If the portion is manually modified, the identification of the feed pipe (Kz. Type) in ZD changed.

Laying spacing cm

Laying spacing

Indicates for room components whether the system has been optimally dimensioned for the heating case f.heating or the cooling casef.cooling.

For heating or cooling circuits, the optimum laying spacing is specified from the possible laying spacings. The selection of possible laying spacings depends on the system. The definitions of minimum and maximum laying spacing from the system parameters are also taken into account. For modular systems (e.g. for wall heating systems), no laying spacing is usually entered.

A double click into the field, F8 or the button opens the context menu where other laying spacings can be selected.

Diff. temp. K

Differential temperature

Indicates the actual temperature difference between supply and return. The differential temperature is calculated from the required capacity.

In case of low required capacities, it may happen that a very low return temperature (minimum = room temperature) and therefore a relatively large differential temperature will occur. The differential temperature is used to compensate overcapacity caused by the maximum laying spacing in combination with the specified minimum differential temperature.

Dp mbar

Pressure loss of the heating/cooling circuit

The display field indicates the pressure loss of the circular zone.

Pipe length m

Pipe length

The display field shows the total circuit length including feed pipe (left) and the pipe length of the circuit zone (right).

Mass flow rate kg/h

Mass flow rate

The display field indicates the mass flow rate of the circular zone.

Surface temp. °C

Surface temperature of teh zone

The display field indicates the surface temperature of the component of the circular zone that is being set.

Phi ext. W

Heat/cold losses of the room

The display field indicates the loss of heating or cooling capacity delivered to the outside (via floor, wall or ceiling) for circular zones.

Phi int. W

Heating/cooling capacity of the room

The display field indicates the heating or cooling capacity delivered to the inside of the room (via the floor, wall or ceiling) in the case of circular zones.

Opens a drop-down list that allows to specify which columns of the table are displayed.

Pipe run view

Switches to the Pipe run view of a circuit marked in the room table.

U-value exchange

Opens the Switch U-Value dialog, in which you can replace U-values within the respective current structural level and within the module.

Optimize

Executes an optimization of the dimensioning. This is useful if parameters of the dimensioning have been changed and a complete redimensioning is not desired.

The following variants are available.

Draw heating/cooling circuits

Switches to the CAD program to draw heating or cooling circuits.

Draw manifold in CAD

Switches to the CAD program to draw heating manifold.

Connect heating/cooling circuits

Switches to the CAD program to draw heating or cooling circuits.

Draw expansion joint

Switches to the CAD program to draw expansion joints there. This function is enabled if you defined and drew in a laying area.

Percentage of areas

Opens the dialog to define the percentage of areas (dry systems) or the dialog to define the single panels or modules (module panel systems). This function is activated if a module system has been installed and the room component (floor, ceiling or wall) occupied by the module is marked in the table.

Detect transition material

Opens the Transition material dialog, where you enter parameters for the installation of heating or cooling zones manually via expansion joints or can have them determined from the CAD program. The button is activated if you selected a room component (floor, ceiling or wall) in the room and if transition material is stored in the selected panel heating/cooling system.

Dimensioning new heating/cooling circuits

Opens the context menu for dimensioning new circuits, border zones, feed pipes, defining blind areas and adding new room components. As an alternative to clicking the button, you can also press F5 in a table line or click in an empty line.

Heating/cooling circuit from CAD

Switches to the CAD program in order to transfer heating or cooling circuits already drawn in this program to the room table of LINEAR Building together with their parameters.