Air Handling Unit Psychrometric
An Easy To Use Program That Calculates The Psychrometric
Performance Of Coils, Humidifiers & Fans
Within Air Handling UnitsCustom Configured And Controlled
To Meet Specified Space Loads
AhuPsyc operates under Windows® and simulates the
operation of most configurations of air handling units.
You may quickly custom configure an air unit and control
the components to meet specified space cooling, heating
and humidification loads.
In addition to providing "design load"
performance, you can easily vary conditions such as
outside air temperature, control setpoints, percent
of design space loads, etc. - to see how the unit
performs over a wide range of part load operating
You will be amazed at how simple this powerful program
is to use!
Summary Of Features:
Configurations - Single zone, multizone, dual duct
(single fan or two fan) - Constant volume or variable
Components - Cooling coils, heating coils, humidifiers,
fans - Placement at practically all possible locations.
Component Control - Control valve, face & bypass,
fixed temperature, leaving humidity limit, etc.
Calculates - Component operation to meet space temperature
and humidity set points - Closed loop iteration of
psychrometric process - with psychrometric chart to
Altitude - Simply enter the altitude. The program
automatically does the rest.
Output - To printer: Graphics (unit diagram and psyc.
chart) - Tabular psychrometric data of all points
in the process - Component capacity performance data.
On Line Help - Context sensitive help makes program
easy to use.
Why Do You Need This Program?
Save Time. With AhuPsyc, you can quickly determine
requirements for specifying equipment, evaluate alternatives
and analyze psychrometric performance.
Avoid Mistakes. AhuPsyc, particularly with its ability
to simulate part load operation, will reduce the risk
of making costly errors.
Optimize Design. Experiment with alternative solutions
over a wide range of operating conditions to find
the best methods to meet the design criteria. For
example: Do you need reheat? How much? What about
face & bypass? Maybe outside air precooling? Where
should you put the humidifier?
Evaluation. With other than "design" conditions,
use AhuPsyc to evaluate current psychrometric operation
of existing units. Shows you why there may be a problem
- and what can be done to fix it.
Training. Do the people working under your direction
really understand psychrometric processes? This program
with the process plotted on the psyc. chart (in color)
provides a valuable training tool.
Who Needs This Program?
Testing & Balancing Firms
Anyone who needs to know how air units respond to
The AirMaster company manufacturers fin & tube
coils, fan-coil units and air-handling units. To cater
for the diverse requirements of the international
market, AirMaster have developed a unique casing construction
that allows for many configurations and component
options. As an example, you may want a vertical standing
double skin casing with a front horizontal discharge.
This describes some of your requirements but as you
go into more detail about the filter plenum, electric
heater bank and humidifier section you start to realize
the limitations of a simple paper catalog.
The Air Handling Unit programs uniquely tie together
all aspects of laying out air handling units. One
program can now select components, size cabinets,
rate cooling and heating coils, select fans, and identify