Water cooler Screw Chiller With Low Consumption Water Chiller Features: 1.8 sizes available ranging from 380 kW to 1419 kW cooling capacity.
2.Semi-hermetic screw compressor for all models.Each compressor is equipped with a crankcase heater and a thermal overload cut-out;The screw compressor is also complete with a built-in electronic protection with temperature sensor located directly in the motor winding and on the discharge line.
3.External rotor type axial fans, equipped with three phase direct drive motors, low noise 8 poles, protection level IP54, provided with a protective outlet grille.
4.Evaporator built with high efficiency shell and tube type heat exchanger, factory insulated with flexible close cell material.
5.Condenser built with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins.
6.Refrigerant circuit complete with charge valves, filter drier, sight glass, gas-liquid separator, thermostatic expansion valve, high & low pressure switch.The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.
7.Hydraulic circuit built with galvanized pipe, complete with water discharge connection for shell and tube heat exchanger and flange type hydraulic connectors.
8.Electric panel consist of:Compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with function display.
9.Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.
Structure
The master module can work independently or together with Up to 15 slave modules, cooling capacity from 60 to 2048kW Hermetic compressor 3-phase scroll type compressor, with built-in thermal overload Cut-out and crankcase heater, mounted on rubber vibration Dampers
Axial fan
External rotor type axial fans, equipped with three phase Direct drive motors, low noise 8 poles, protection level IP54, Provided with a protective outlet grille
Evaporator
Evaporator built with high efficiency tube in tube type heat Exchanger, factory insulated with flexible close cell material
Condenser
Condenser built with seamless internal screw thread copper Tubes mechanically expanded into blue wave hydrophilic Aluminum fins
Refrigerant circuit
Refrigerant circuit complete with charge valves, filter drier, Sight glass, gas-liquid separator, thermostatic expansion valve, High & low pressure switch.The heat pump unit is completed Also with 4-way valve, liquid receiver and one way valve
Hydraulic circuit
Hydraulic circuit built with galvanized pipe, complete with Water discharge connection for tube in tube heat exchanger And flange type hydraulic connectors in two directions easy for Connections from both sides of the units
Electric panel
Electric panel consist of:Compressor contactor, fan motor Contactor, compressor protection breaker, fan protection Breaker, phase sequence relay and microprocessor with Function display (display only for master/packaged unit) Automatic operation dramatically reducing maintenance cost, Thanks to reliable microprocessor system
Optional
Paddle flow switch
Metallic filter for hydraulic circuit
Water pump
Rubber anti-vibration mounting
BMS
Stainless steel covering
Heat recovery 20%-25%
Flange
Remote condenser
Four compressors/six compressors
Plate heat exchanger
Water Chiller Specification:Air cooled water chiller |
Model | | 380Z | 500Z | 600Z | 720Z | 880Z | 1000Z | 1200Z | 1420Z |
Cooling capacity | KW | 376 | 496 | 594 | 720 | 880 | 996 | 1203 | 1419 |
Cooling power input | KW | 124 | 159 | 187 | 234 | 285 | 318 | 381 | 466 |
Power supply 380V/3pH /50Hz |
Compressor | | | | | | | | | |
Compressor type | Semi- hermetic, twin screw compressor |
Qty/ refrigerant circuit | Nr. | 1/1 | 1/1 | 1/1 | 1/1 | 2/2 | 2/2 | 2/2 | 2/2 |
Energy adjustment | \ | 25%,50%,75%,100% 4-step ( 50%~100% stepless as option) |
Refrigerant | R134A |
Water side Heat exchanger |
Type | Shell-and-tube heat-exchanger |
Water Volume | M3/h | 65.4 | 86 | 103.2 | 123.8 | 151.4 | 172 | 206.4 | 244.2 |
Water pressure drop | Kpa | 39 | 54 | 56 | 58 | 70 | 75 | 71 | 69 |
Inlet/outlet Pipe diameter | mm | DN125 | DN125 | DN125 | DN150 | DN150 | DN150 | DN200 | DN200 |
Water side Fouling factor | M2.ºC /kW | 0.086 |
Air side heat Exchanger | | | | | | | | | |
Type | M shape Heat exchanger, High efficient exchanger tube + aluminum fins |
Fans Quantity | Nr. | 6 | 8 | 10 | 10 | 14 | 16 | 16 | 20 |
Air Volume | M3/h | 23000 X6 | 23000 X8 | 23000 X10 | 23000 X10 | 23000 X14 | 23000 X16 | 23000 X16 | 23000 X20 |
Motor Input | KW | 2.8X6 | 2.8X8 | 2.8X10 | 2.8X10 | 2.8X14 | 2.8X16 | 2.8X16 | 2.8X20 |
Physical dimensions |
Standard type (mm) | L | 3810 | 4680 | 5880 | 5880 | 8800 | 9460 | 9460 | 11700 |
W | 2280 | 2280 | 2280 | 2280 | 2280 | 2280 | 2280 | 2280 |
H | 2370 | 2370 | 2370 | 2370 | 2430 | 2430 | 2430 | 2430 |
Shipping weight | Kg | 3320 | 4330 | 5000 | 5500 | 7750 | 8900 | 9100 | 11100 |
Shipping weight | Kg | 3520 | 4530 | 5200 | 5700 | 8050 | 9200 | 9400 | 11400 |
Sound pressure level | dB(A) | 70 | 70 | 71 | 71 | 72 | 74 | 75 | 75 |
Note: | | | | | | | | | |
1) Nominal cooling capacities are based on the following conditions: |
Chilled water inlet/outlet temp:12ºC/7ºC;Outdoor temp (dB/WB):35ºC/24ºC. |
2) The applicable ambient temperature range of R134A air-cooled screw units is 15ºC ~ 43ºC. |
Note: for further information please send me email.Ms. Echo Lee