OpenBuildings™ Station Designer Help

Fans Properties

Property Name Description
Auto Size s
  • Sets End1 equal to End2.
autoblade
  • Sets blade size by solving: Blade Depth=Body Depth/No. Of Blades
box <numeric value>/<numeric value>
  • Sizes device by solving equations: Body Width=W1+<first numeric value> and Body Depth=D1+<second numeric value>
endsequal
  • Confines the device to have equal size connections at each end.
Separate combined entries with semi colon.
Base
  • 1-Yes
  • 2-No
Sets or no base to fan unit.
Body | Depth Positive <numeric value>
  • Sets box depth independent of End1 and End2. Limited by Auto Size property.
By default, applies value defined in End Specs Depth.
Body | Diameter Positive <numeric value>
  • Sets diameter of body of fan.
Body | Height Positive <numeric value>
  • Sets top box height from the base.
Body | Length Positive <numeric value>
  • Sets diameter of the fan body, usually the distance between End1 and End2.
Body | Thickness Positive <numeric value>
  • Sets height of the fan body.
Body | Width Positive <numeric value>
  • Sets box width independent of End1 and End2. Limited by Auto Size property.
By default, applies value defined in End Specs Width.
Box | Depth Positive <numeric value>
  • Sets depth of the box along the opening of the fittings like roof fan.
Box | Length Positive <numeric value>
  • Sets length of the box of the fittings like roof fan.
Box | Width Positive <numeric value>
  • Sets width of the box of fan.

    By default, applies W1 value.

Cell Library <cell library file name>
  • Library file name for device cells.
Cell Symbol Name <cell name>
  • Sets the model cell to the device.
Prerequisite of proper Cell Library for AHUs.
Center Body | Diameter Positive <numeric value>
  • Sets diameter of center body of fan, usually half that of diameter of side bodies.
Center Body | Length Positive <numeric value>
  • Sets length of center body of fan connected between side bodies both sides.
Center To Base Height Positive <numeric value>
  • Sets height from center of Ends of fan to base. Proportional with Body dimension. Disabled when Base is set to No.
Connection 1 | Length (L1) Positive <numeric value>
  • Sets straight length at End1.
  • Sets connection length at End1.
Connection 2 | Length (L2) Positive <numeric value>
  • Sets straight length at End2.
  • Sets connection length at End2.

Connection | End Type

fl -<numeric value>
  • Sets and sizes end with a flange connection.
m -<numeric value>
  • Sets and sizes end with a male connection.
fe -<numeric value>
  • Sets and sizes end with a female connection.
Separate End Type entries for each End Spec with a semi colon.

Example: fl-2;fe-.13 creates a flange at End1 with size 2, and a female connection at End2 with an overall reduction of component's dimensions of .13

Fan Housing Radius Positive <numeric value>
  • Sets radius of fan housing.
Fan Rotation <angle value> between 0° and 360°
  • Sets rotation angle to outlet (e.g. 90° keeps fan housing exhaust upward).
Front Body Height Positive <numeric value>
  • Sets height of the front body of the fitting, less than Body Height.
Grille | Diameter Positive <numeric value>
  • Sets the outside diameter of the grille portion.
Grilles Distance Positive <numeric value>
  • Sets the gap between the grilles of roof fan.
Grille Frame | Thickness Positive <numeric value>
  • Sets the thickness of the grille box frame/grille surface
Length With Motor Casing Positive <numeric value>
  • Sets length of fan including motor casing in top cylinder. This also include Motor body and the Propeller space.
Motor | Body Length Positive <numeric value>
  • Sets length of motor body unit of fan.
Motor | Body Width Positive <numeric value>
  • Sets width of motor body unit of fan.
Motor | Case Diameter

Motor | Diameter

Positive <numeric value>
  • Sets diameter of motor/motor casing.
Motor | Housing Depth

Motor | Housing Height

Motor | Housing Width
Positive <numeric value>
  • Sets the dimension of the sides of motor housing. Motor Housing Height follows with the Stand Length.
Motor | Length Positive <numeric value>
  • Sets the overall length of motor assembly.
Motor Position
  • 1–Inside
  • 2–Outside
  • Sets either of sides for positioning motor in the fan.
Motor | Side Offset Positive <numeric value>
  • Sets the horizontal offset distance from the End1 and the motor assembly mounted on the body.

Motor | Top Offset Positive <numeric value>
  • Sets the lateral offset distance the motor assembly is mounted along the width on the body.
Outlet | Length Positive <numeric value>
  • Sets the outward length of outlet at connection End2.
Outlet | Width Positive <numeric value>
  • Sets the width of outlet at connection End2.
Propeller Space Length Positive <numeric value>
  • Sets the gap formed between motor body and top cylinder of fan placed one over other.
Side Body | Diameter Positive <numeric value>
  • Sets diameter of side bodies of fan, usually follows End1 diameter.
Side Body | Length Positive <numeric value>
  • Sets length of side bodies connected at both sides of center body of fan.
Stand Length Positive <numeric value>
  • Sets height of the stand attached to fan body, effect on Motor Housing Height.
Suction Side
  • 1–leftHanded
  • 2–rightHanded
  • Sets the suction (End1) orientation to right or left side. Motor housing is oriented to the opposite side on the Fan.
Terminal Back Height Positive <numeric value>
  • Sets the dimension of vertical side of fan terminal back.
Terminal Back Width Positive <numeric value>
  • Sets the dimension of horizontal side of fan terminal back.

Terminal Height Positive <numeric value>
  • Sets the dimension of vertical side of fan terminal.
Terminal Thickness Positive <numeric value>
  • Sets the distance from opening to fan terminal.
Terminal Width Positive <numeric value>
  • Sets the dimension of horizontal side of fan terminal.
Top Body | Length Positive <numeric value>
  • Sets length of the top body of the fitting.
Top Body Width Positive <numeric value>
  • Sets width of the top body of the fitting.
Top Cylinder Diameter Positive <numeric value>
  • Sets outer diameter of top cylinder assembly of upblast fan.
Total Length Positive <numeric value>
  • Sets overall length of the fan units.

    In case of Roof Upblast fan, it totals the Motor Body length, height of top cylinder and the propeller space in between.

Valve Operation Type 1-manual
  • Sets the fan operation manual, without the motor.
2-motorized
  • Sets the fan in auto.

Property Option menus are available to assist in making some property entries.