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Air cooled chiller1

Air cooled chiller2

The technical parameters for air cooled chiller unit

Model unit DMK-N400F/2
Power supply 400V/3N/50Hz
Cooling capacity Kw 396
Power consumption  kW  128
 Running ampere  A  219.7
 Capacity control  %  25%—100%  Four phases control
Compressor
 Type  Semi-hermetic screw
Quantity 2
Starting method Y-Triangle
Refrigerant
Type R407C
The quantity of the refrigerant circuit 2
Quantity Kg 110
Control Electronic expansion valve
 Evaporator
 Type  Shell and tube
 Inlet water temp  ℃  12
Outlet water temp  ℃  7
 Water flow rate  m³/h  69
 Pipe size  DN125
 Condenser
 Type  Finned
 Inlet air temp  ℃  40
 Outlet air temp  ℃  50
 Air rate  m³/h  23000*8
 Motor power  Kw  2Kw*8
Protector High and low pressure protection,overload protection,

Anti-phase protection, compressor over temperature protection, high pressure safety valve protection, oil pressure protection, exhaust over heat protection, ect

Weight  Kg  4500Kg
Size  mm  4400*2000*2450

 

Main parts of air cooled chiller
No Name Brand Original Remark
1 Compressor Danfoss USA Accept Bitzer,Hanbell, Panasonic,etc
2 Shell and tube evaporator DECENT China
3 Finned condenser DECENT China
4 Axial flow fan RUIBO China
5 Dry filter Danfoss USA Accept the designated brand
6 Filter element Danfoss USA Accept the designated brand
7 Electronic expansion valve Danfoss USA
8 Level glass Danfoss USA
9 Touch controller Siemens Germany
10 Electrical equipment LS Accept the designated brand
11 Refrigerant DuPont USA
12 Pressure transmitter Danfoss USA
13 Temp sensor Shinko/Heraeus Japan/Germany
Air cooled chiller3

A chiller is a machine that eliminates heat from a fluid by means of a vapor-compression, adsorption refrigeration, or absorption refrigeration cycles. This fluid would then be able to be coursed through a heat exchanger to cool gear, or another process stream, (for example, air or process water). As a fundamental result, refrigeration makes squander heat that should be depleted to atmosphere, or for more prominent proficiency, recuperated for heating purposes.Vapor compression chillers may utilize any of various kinds of compressors. Most normal today are the hermetic scroll, semi-hermetic screw, or radial compressors. The consolidating side of the chiller can be either air or water cooled. In any event, when fluid cooled, the chiller is regularly cooled by an initiated or forced draft cooling tower. Absorption and adsorption chillers require a heat source to function.

 

In air conditioning systems, chilled water from a chiller in an air conditioning or cooling plant is ordinarily conveyed to heat exchangers, or coils, in air handlers or different kinds of terminal gadgets which cool the air in their individual space. The water is then recycled to the chiller to be recooled. These cooling coils move reasonable heat and idle heat from the air to the chilled water, subsequently cooling and normally dehumidifying the air stream. A normal chiller for air conditioning applications is evaluated between 50 kW (170 thousand BTU/h) and 7 MW (24 million BTU/h), and in any event two makers (York global and LG) can deliver chillers equipped for up to 21 MW (72 million BTU/h) cooling.Chilled water temperatures (leaving from the chiller) can go from 1 to 7 ~C (34 to 45 ~F), contingent on application requirements.Commonly, chillers get water at 12~C (entering temperature), and cool it to 7~C (leaving temperature).

Water cooled chiller1

Water cooled chiller2

The technical parameters for water cooled chiller unit

Model Unit DMW-420
Power supply 380V/3N/50Hz
Cooling capacity Kw 420
Power consumption Kw 84.6
Running ampere A 143.2
Capacity control 0%-100% Four stage capacity control
Compressor
Type Semi-hermetic screw
Quantity 1
Starting method Y-Triangle
Refrigerant
Type R22
Quantity Kg 70
Control Themostatic expansion valve
Evaporator
Type Shell and tube
Inlet water temp 12
Outlet water temp 7
Water flow rate m³/h 72
Pipe size DN125
Condenser
Type Shell and tube
Inlet water temp 30
Outlet water temp 35
Water flow rate m³/h 87
Pipe size DN125
Protector High and low pressure protection,overload protection,

Anti-phase protection, compressor over temperature protection, high pressure safety valve protection, oil pressure protection, exhaust over heat protection, ect

Size mm 3200*1360*1760
Weight Kg 2140

 

Main Parts of chiller
NO Name Brand Original Remark
1 Compressor HANBELL Taiwan Accept the designated brand
2 Oil filter HANBELL Taiwan
3 Oil heater HANBELL Taiwan
4 Shell and tube evaporator DECENT China
5 Shell and tube condenser DECENT China
6 Dry filter EMERSON USA
7 Filter element EMERSON USA
8 Electronic expansion valve EMERSON USA
9 Level glass EMERSON USA
10 Touch controller PUNP Guangzhou Accept the designated brand
11 Electrical equipment LS Korea Accept the designated brand
12 Water flow switch FENGSHEN Shanghai
13 Pressure controller Danfoss Danmark
14 Oil pressure switch FENGSHEN Shanghai
15 Pressure gage SK Taiwan
16 Temp sensor SHINKO Japan
Water cooled chiller3

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