A chiller is one of the most important electrical appliances, which can easily be spotted in any building or an industrial setup. There are three basic types of chillers, namely air-cooled chillers, water-cooled chillers, and evaporated condensed chillers. However, no one spares a minute to talk about the key components that combine to form a chiller.

1. What Are the Main Components of
a Chiller and What Do They Do?
By Rite Temp NYC

2. Introduction
A chiller is one of the most important electrical
appliances, which can easily be spotted in any building
or an industrial setup. There are three basic types of
chillers, namely air-cooled chillers, water-cooled
chillers, and evaporated condensed chillers. However,
no one spares a minute to talk about the key
components that combine to form a chiller.
Let’s take a look at the main components of a chiller
and what they do.

3. Compressor
The compressor is the most important component of a
chiller. Its job is to ensure the movement of the
refrigerant throughout the system. A compressor is
placed between the evaporator and the condenser. It
has an electric motor as the driving force, which is
either mounted outside or placed internally.

4. Condenser
A condenser is located close to the expansion valve
and compressor. The job of the condenser is to
remove the heat from the refrigerant that is picked up
in the evaporator. Condensers normally come in two
types, i.e. air-cooled condensers and water-cooled
condensers.

5. Expansion Valve
The expansion valve expands the refrigerant and
increases its volume, which allows the refrigerant to
pick up heat in the evaporator. There are different
types of expansion valves, but the most common type
is the thermal expansion valve which is pilot operated.

6. Evaporator
An evaporator is used to pick up heat from the building
and send it to the refrigerant so that it can be sent to
the cooling tower. An evaporator is located between
the compressor and the expansion valve. The water is
cooled when the heat is extracted. This chilled water is
sent throughout the building for the provision of air
conditioning. Then, the chilled water returns to the
evaporator with heat from the building.

7. Power Unit
The power unit is another crucial component of the
chiller that controls the supply of electricity to the
chiller. It can either be mounted to the chiller or to the
plant room wall along with the power cables. A power
unit comprises of a circuit breaker, starter, speed
controller, and power monitoring equipment.

8. Water Boxes
Water boxes are mounted to the evaporators and
condensers in a water-cooled chiller. A water box
directs the flow and separates the entrance from the
exit. A water box has around 1 or 2 entrance and exit
holes, depending upon the number of passes in the
evaporator and condenser.

9. Control Unit
A control unit is mounted to the chiller. It monitors the
efficiency of the chiller and makes certain adjustments
if things are not going the way they should. Control
units have alarms for the safety teams, and instant
system shutting options in the case of an emergency.
The overall performance of a chiller depends heavily
upon sooth functioning of each of the above
mentioned components. Without any one of them, the
chiller will seize to perform the way it should.

10. Contact Us
Website:- https://www.ritetempnyc.com/
Email:- info@ritetempnyc.com
Phone:- 914-352-4822
Address:- 137 Union Ave,New Rochelle, NY 10801