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What are the different types of cooling systems used for Air-conditioning in buildings ?

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Question added by Waleed Dawood , Regional Market Manager , Rheem
Date Posted: 2013/05/14
Sherif Mohammed Ibrahim
by Sherif Mohammed Ibrahim , Senior Mechanical Technical engineer , Al-Latifia Trading & Contracting Company

-  chilled water system (  water cooled ( apsorption or Freon  chillers) , air cooled )

      I -2 pipe system

      II-4 pipe system

      III- VAV

- DX system ( Split , Package , VRV , VRT 

Siby Blesson
by Siby Blesson , Estimation Engineer , Resi air

there are2 types of AC systems used:

1. Air cooled systems (eg split units, VRF systems, package units, wall mounted, ceiling mounted split units, cassette type units, chillers). here gas (R22, R134 or higher) is used as a medium to transfer heat through insulated copper coils.

2. Water cooled units (eg Fan coil units, Air handling units, Fresh air handling units, modular air handling units, chillers). here water is the medium to transfer heat through insulated steel pipes (SCH40 pipes)

abdo alkhuder
by abdo alkhuder , Project coordinator- mechanical engineer , EMTECH ELECTRO-MECHANICAL TECHNOLOGY CO.sarl

1- WATER COOLED CHILLERS + FCU( OR AHU) .

2- ROOFTOP PACKAGED .

3- VRF

4- DUCTED BLOWER SPLIT SYSTEMS .

5- SPLIT UNIT.

6- AHU DX COILS .

Ahmad Imran
by Ahmad Imran , Senior Mechanical Engineer , Saudi Arabian Baytur

There are3 common A/C systems :1.
All Air system : (single duct, duel duct, reheat, VAV)2.
All Water system (2 pipe system,4 pipe system)3.
Air Water system

In building (Commercial) Air conditioning systems: Mainly there are two type1.
Air Cooled systems2.
Water Cooled systems.
These are further sub categorised:1.
Air Cooled Air conditioning systems a.
DX- based systems.
Ex: Split pacakege unit, VRF, Roof top units.
b.
Chiller water system Ex: Air cooler Chillers2.
Water Cooled Air conditioning systems.
a.
DX- based systems.
Ex: Water cooled package units, Water source heat pump.
b.
Chiller water system Ex: Water cooled chiller.

ibrahim medany
by ibrahim medany , HVAC TEAM LEADER & MEP COORINATOR , RAKA DESIGN GROUP ENGINEERING CO.

Air cooled systems and Water cooled units

Ahmad Shakshok
by Ahmad Shakshok , Project Manager , COSMOS-E

1. Chiller water sysyem.

2. Separate Units.

3. Air System.

Bassam Hamade
by Bassam Hamade , Project Manager , Innovative controls Inc.

In addition to DX and Chilled water cooling, you also have: - Geo Thermal - Evaporative Cooling please go to this site for more information: http://www.apcmedia.com/salestools/VAVR-5UDTU5/VAVR-5UDTU5_R2_EN.pdf Regards,

Mohamed Yassin
by Mohamed Yassin , مهندس تصميم لانظمة اطفاء الحريق , شركة الرحمة

: main we have two types- ==================
1- direct expansion dx.
2- chilled water .
and direct expansion (dx ) have types =========================
1- package type
2- split type and each of package and split have another types .

Cipriano Carcellar
by Cipriano Carcellar , FIeld Assessor , M.H. ALSHAYA

Chilled Water System and Direct Expansion (DX) System.

James gbenga
by James gbenga , G/M , SELF EMPLOYED

first of all I need to know which type of building are you referring to domestic or commercial buildings, all cooling system are designed for building

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