CHILLER SYSTEM

Air Conditioner:

It is a process of by which a simultaneously control the temperature, humidity, purity and distribution of air in a closed space.

Types of Chillers:

Depending up on cooling of gas in the condenser, chillers are classified in to two types

1. Water Cooled Chillers
2. Air Cooled Chiller

Types Of Air Conditioners:

1. Cassette AC       -2 TR      For balcony
2. Split AC             -2 TR      For Wall Fitting
3. Precision AC     -10 TR    For Server Room
4. Package AC      -5 TR       For Work Station

SP   -Secondary Pump

PP   -Primary Pump

AHU - Air Handling Unit

Parts Of The Chiller System:

Compressor

Condenser Coil

Fan

Evaporator

Air Filters

AHU

Expansion Vale

Primary Pump

Secondary Pump

Compressor:

Is is a heart of the system it consists a pump which circulates the refrigerant in a closed loop between the condenser and evaporator. it increases the pressure of the refrigerant.

Condenser Coil:

It consists tubes filled with refrigerant that removes the heat from heated gas refrigerant and converts the refrigerant in to liquid form.

Fan:

It pulls out the air through the condenser coil for heat disposal.

Evaporator Coil:

It consists tubes filled with refrigerant that removes  the heat from the liquid and again this liquid is converting in to vapour form.

Air Filters:

It is used to remove the dust particles from the air.

AHU (Air Handling Unit):

It consists the blower which through the air in to the air duct 

Expansion Valve:

It consists a valve which maintain the pressure of the gas depends on load.

VAV:

It stands for variable air valve it consists a thermostat placed in an air duct which sense the temperature of the room and opens the air valve

 VCD:

It stands for volume control damper it is used to vary the air volume

VFD:

It stands for variable frequency drive it is used to minimize the frequency after reaching the required temperature it is actuated by temperature sensor 

VRV:

It stands for variable refrigerant flow

Safety Devices Of Chiller:

• Water flow Temperature Sensor
• Pressure Switch
• Over Load Protector
• Door limit Switch
• Oil Pressure Sensor