OpenBuildings™ Designer Help

HVAC Equipments Properties

Property Name Description
Base | Length Positive <numeric value>
  • Sets length of base board.
Base To Heater Bottom Distance Positive <numeric value>
  • Sets width of blades stacked on back surface of unit providing directional outlet.
Blades Width Positive <numeric value>
  • Sets width to pair of boards beneath heater panels.
Board Width Positive <numeric value>
  • Sets width to pair of boards beneath heater panels.
Box | Height Positive <numeric value>
  • Sets the height of a equipment Box (e.g. Radiator module).
Box | Length Positive <numeric value>
  • Sets the length of a Box (Radiator module).
Box | Width Positive <numeric value>
  • Sets the width of a equipment Box (e.g. Radiator module).
Connection 1 | Length (L1) Positive <numeric value>
  • Sets the straight length at End1.
Connection 2 | Length (L2) Positive <numeric value>
  • Sets the straight length at End2.
Connection 3 | Length (L1) Positive <numeric value>
  • Sets the straight length at End3.
Carrying Bar Height Positive <numeric value>
  • Sets height of carrying bars connecting the fixed body and rear support column.
Carrying Bar Width Positive <numeric value>
  • Sets width of carrying bars in plate heat exchanger.
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.
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

Connection Side
  • 1-RHS
  • 2-LHS
Sets inlet and outlet connections to either Left or Right side of unit.
Control | Connection Side
  • 1-Back
  • 2-Front
  • 3-Left
  • 4-Right
  • 5-Top
  • Puts Control Assembly on one of the sides of the cooler.
Control | Height

Control | Length

Control | Width 		Positive <numeric value>
  • Sets dimensions of sides of control box assembly.
Control | Side Offset Positive <numeric value>
  • Sets offset distance between control box assembly and side of box.
Control | Top Offset Positive <numeric value>
  • Sets offset distance between control box assembly and top of box.
Depth Positive <numeric value>
  • Sets depth dimension of equipment body (heater/cooler unit).
Drain | Bottom Offset Positive <numeric value>
  • Sets offset distance between drain outlet and top of equipment box.
Drain | Diameter Positive <numeric value>
  • Sets outside diameter of drain outlet.
Drain | Length Positive <numeric value>
  • Sets length of drain outlet.
Drain | Side Offset Positive <numeric value>
  • Sets offset distance between drain outlet and side of box.
Electric Supply | Connection Side
  • 1-Back
  • 2-Front
  • 3-Left
  • 4-Right
  • 5-Top
  • Puts Electric Supply connection on one of the sides of the cooler.
Electric Supply | Diameter Positive <numeric value>
  • Sets outside diameter of Electric Supply connection.
Electric Supply | Side Offset Positive <numeric value>
  • Sets offset distance between Electric Supply connection and side of box.
Electric Supply | Top Offset Positive <numeric value>
  • Sets offset distance between Electric Supply connection and top of box.
Fan Connection Side
  • Sets side for fans connection.
5-Top - Default side for Axial Cooling Tower.
Fan Diameter Positive <numeric value>
  • Sets diameter of axial fans.
Fan Height Positive <numeric value>
  • Sets height of fans used in equipment.
Fan Length Positive <numeric value>
  • Sets length of fans used in equipment.
Fan Location
  • 1-Left
  • 2-Right
  • 3-Bottom
Sets fans location on the side of equipment (e.g. cooling tower).
Fan Type
  • 1-Axial
  • 2-Centrifugal
  • Sets type of fan used in equipment (e.g. in cooling tower).
Fan Width Positive <numeric value>
  • Sets width of fans used in equipment.
Fixed Body Height Positive <numeric value>
  • Sets height of fixed body of covers.

    This value applies to Movable Body Height and also to Rear Support Bar Height when With Rear Support Bar is true.

Fixed Body Thickness Positive <numeric value>
  • Sets thickness of Fixed Body (and Movable Body) covers in Plate Heat Exchanger.

    Same thickness is applied to Rear Support Bar thickness, when With Rear Support Bar is true.

Fixed Body Width Positive <numeric value>
  • Sets width of fixed body of covers.

    This value applies to Movable Body Width.

With Rear Support Bar true
  • Sets Rear Support Bar to Plate Heat Exchanger.
false
  • Sets no Rear Support Bar.
The Rear Support Bar is set parallel to and of equal height to Fixed and Movable body.
Height Positive <numeric value>
  • Sets height dimension of equipment body (heater/cooler unit).
Inlet 1 | Outer Diameter

Outlet 1 | Outer Diameter

Inlet 2 | Outer Diameter

Outlet 2 | Outer Diameter

Positive <numeric value>
  • Sets diameters of inlet and outlet connection ports seen on Fixed Body cover, values as defined for D1 to D4 respectively.
Inlet | Top Offset Positive <numeric value>
  • Sets offset to Inlet connection from top of equipment body.
Inlet | Connection Side
  • 1-Back
  • 2-Front
  • 3-Left
  • 4-Right
  • 5-Top
  • Puts Inlet connection on one of the sides of the cooler.
Inlet | Diameter Positive <numeric value>
  • Sets outside diameter of Inlet connection in equipment (e.g. in cooling tower).
Inlet | Length Positive <numeric value>
  • Sets length of Inlet connection in equipment (e.g. at End2 in unit heater).
Inlet | Offset Between Inlets Positive <numeric value>
  • Sets distance between two inlets, when Number of Inlets are more than 1.
Inlet | Side Offset Positive <numeric value>
  • Sets offset distance between Inlet connection and side of equipment body.
No. of Grille Bars <integer>
  • Sets number of grille bars on grille surface. In case of baseboard, across the bases.
Length Positive <numeric value>
  • Sets length dimension of equipment body (heater/cooler unit).
Loop1 Connection Offset Positive <numeric value>
  • Sets offset distance between Loop1 Port (End2 connect point) and top of Plate Pack of Plate Heat Exchanger.
Loop1 Side Offset Positive <numeric value>
  • Sets offset distance between Loop1 Ports (End1 and End2) and side of Plate pack of Plate Heat Exchanger.
Loop1 Top Offset Positive <numeric value>
  • Sets offset distance between Loop1 Ports (End1 and End2) and top edge of Plate pack of Plate Heat Exchanger.
Loop2 Connection Offset Positive <numeric value>
  • Sets offset distance between Loop2 Port (End4 connect point) and top of Plate Pack of Plate Heat Exchanger.
Loop2 Side Offset Positive <numeric value>
  • Sets offset distance between Loop2 Ports (End3 and End4) and side of Plate pack of Plate Heat Exchanger.
Loop2 Top Offset Positive <numeric value>
  • Sets offset distance between Loop2 Ports (End3 and End4) and top edge of Plate pack of Plate Heat Exchanger.
Motor | Diameter Positive <numeric value>
  • Sets diameter of motor mounted on the unit.
Motor | Body Length Positive <numeric value>
  • Sets length of motor mounted on the unit.
Movable Body | Height Positive <numeric value>
  • Sets height of movable body, equal to height of Fixed Body.
Movable Body | Width Positive <numeric value>
  • Sets width of movable body, equal to width of Fixed Body.
Inlet | Number Of Inlets <numeric value> between 1 and 2
  • Sets number of inlets to cooler.
Number of Plates <integer>
  • Sets number of plates in the pack of Plate Heat Exchanger.
Plate Offset Positive <numeric value>
  • Sets offset distance between Fixed Body and Movable Body covers of Plate Heat Exchanger.
Frame Offset Positive <numeric value>
  • Sets offset distance between Movable Body and Rear Support Bar of Plate Heat Exchanger.
Opening Height Positive <numeric value>
  • Sets height of the opening on side of Axial Cooling Tower unit.
Outlet | Connection Side
  • 1-Back
  • 2-Front
  • 3-Left
  • 4-Right
  • 5-Top
  • Puts Outlet connection on one of the sides of the cooler.
Outlet | Diameter Positive <numeric value>
  • Sets outside diameter of Outlet connection in equipment (e.g. in cooling tower).
Outlet | Length Positive <numeric value>
  • Sets straight length of outlet connection at End2.
Outlet | Side Offset Positive <numeric value>
  • Sets offset distance between Outlet connection and side of equipment body.
Outlet | Top Offset Positive <numeric value>
  • Sets offset to Outlet connection from top of equipment body.
Overflow Diameter Positive <numeric value>
  • Sets outside diameter of Overflow connection at End1 in equipment (e.g. in cooling tower).
Overflow Side Offset Positive <numeric value>
  • Sets offset distance between Overflow connection and side of equipment body.
Overflow Top Offset Positive <numeric value>
  • Sets offset to Overflow connection (End1) from top of equipment body.
Plate Height Positive <numeric value>
  • Sets height of the Plate pack embedded in Fixed and Movable Body of Plate Heat Exchanger.
Plate Width Positive <numeric value>
  • Sets width, within Body Width of the Plate pack embedded in Fixed and Movable Body of Plate Heat Exchanger.
Rear Support Bar Height Positive <numeric value>
  • Sets height to Rear Support Bar, value equals to the height set in Fixed Body Height.
Rear Support Bar Thickness Positive <numeric value>
  • Sets thickness to Rear Support Bar, value equals to the width set in Fixed Body Width.
Rear Support Bar Width Positive <numeric value>
  • Sets width of Rear Support Bar.
Return | Diameter Positive <numeric value>
  • Sets outside diameter of Return Outlet.
Return | Length Positive <numeric value>
  • Sets the straight length of Return Outlet.
Return | Side Offset Positive <numeric value>
  • Sets offset distance between Return connect point and side of box.
Return | Top Offset Positive <numeric value>
  • Sets offset distance between Return connect point and top of box.
Tag <alpha-numeric characters>
  • Sets tag value visible in output of drawing composition in dynamic view. Separate tag strings with a semi colon.

    Usually the equipment name used as Tag, e.g. Plate Heat Exchanger.

Tightening Bolt Diameter Positive <numeric value>
  • Sets diameter of the tightening bolts screwed on the bar connecting the Fixed and Movable Bodies to Rear Support.
Tightening Bolt Length Positive <numeric value>
  • Sets length of the tightening bolt bar connecting the Fixed and Movable Bodies to Rear Support.

    The length is Plate Offset+OffsetLength1+3 x Body Thickness set initially, and accepts value higher than Plate Offset.

Total Height Positive <numeric value>
  • Sets total height of entire unit, proportional to Row value.
Total Length (L) Positive <numeric value>
  • Sets total height of entire unit, proportional to Column value.
Total Width Positive <numeric value>
  • Sets total width of entire unit, proportional to Row value.
Water Makeup Connection Side
  • 1-Back
  • 2-Front
  • 3-Left
  • 4-Right
  • 5-Top
  • Puts Water Makeup connection on one of the sides of the cooler.
Water Makeup Diameter Positive <numeric value>
  • Sets outside diameter of Water Makeup connection in equipment (e.g. in cooling tower).
Water Makeup Side Offset Positive <numeric value>
  • Sets offset distance between Water Makeup Connection and side of box.
Water Makeup Top Offset Positive <numeric value>
  • Sets offset to Water Makeup connection from top of equipment body.
Width Positive <numeric value>
  • Sets width dimension of equipment body (heater/cooler unit).
Parent topic: HVAC Discipline Properties