Full Closed 220v Water Cooled Screw Chiller,

Description:

The series water chiller adopts efficient semi-closed screw compressor. the compressor adopts a 5:6 asymmetric high-efficiency screw rotor, which is graded or steplessly energy regulated. It is automatically adjusted according to load changes and is more energy efficient. The unit heat exchanger adopts high-efficiency heat exchange tube to improve the refrigeration efficiency, and the unit is equipped with multiple protections to make the unit operate safely and reliably.

Features of chiller:

1. Scroll compressor for modle 12-180kw, semi-hermetic screw compressor for modle 130-2300kw. 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.

2. 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 built with high efficiency shell and tube type heat exchanger, factory insulated with flexible close cell material.

3. Condenser built with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins.

4. 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.

5. Hydraulic circuit built with galvanized pipe, complete with water discharge connection for shell and tube heat exchanger and flange type hydraulic connectors.

6. Electric panel consist of: Compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with function display.

7. Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.

Safety system:

1 Compressor reverse protective

2 Freeze protector protective

3 Refrigerant safety valve

4 Buzzer

5 High-pressure gauge and Low-pressure gauge

6 Power phase failure protector

7 Coil over-heat protector

8 Temperature auto-switch

9 Refrigerant shortage protective

Model HTK-M390/2 HTK-M440/2 HTK-M500/2 HTK-M530/2 HTK-M590/2 HTK-M700/2 HTK-M800/2 HTK-M930/2 HTK-M1060/2 HTK-M1200/2 HTK-M1320/2 HTK-M1500/2 HTK-M1670/2

Cooling 

Capacity KW 390 440 500 530 594 700 800 932 1060 1196 1324 1496 1670

Kcal/Hr 335400 378400 430000 455800 510840 602000 688000 801520 911600 1028560 1138640 1286560 1436200

RT 110.89 125.11 142.17 150.7 168.89 199.03 227.47 265 301.39 340.06 376.46 425.36 474.84

Power  50HZ 3P-380V-50HZ

Input power(KW) 82.8 92.2 103.2 110.8 117.8 135.6 156.6 181.8 206 232.4 257.4 290.6 324.6

EER COP 4.71 4.77 4.84 4.78 5.04 5.16 5.11 5.13 5.15 5.15 5.14 5.15 5.14

Freezing medium R134a

control mode Thermal expansion valve

Comprosser Mode Semi-closed double screw

Working style Y-Δ/Δ-Δ

Capacity 0,12.5%, 25%,37.5%, 50%,62.5%, 75%,87.5%, 100%

Condensor Mode Efficient external thread shell and tube type

Cooling water  In 30℃/Out 35℃

tempreture

Cooling water flow (m³/h) 83.9 94.6 107.5 114 127.7 150.5 172 200.4 227.9 257.1 284.7 321.6 359.1

Pressure loss (Kpa) 58 58 63 63 65 65 67 67 67 70 70 71 72

waterpipe DN80×2 DN80×2 DN100×2 DN100×2 DN100×2 DN100×2 DN125×2 DN125×2 DN125×2 DN150×2 DN150×2 DN150×2 DN200×2

Evaporater mode Efficient internal thread shell and tube type

Freeze water  In 12℃/Out 7℃

tempreture

Freeze water flow (m³/h) 67.1 75.7 86 91.2 102.2 120.4 137.6 160.3 182.3 205.7 227.7 257.3 287.2

Pressure loss (Kpa) 58 58 63 63 65 65 65 66 67 68 68 70 70

waterpipe  DN100 DN100 DN125 DN125 DN125 DN150 DN150 DN150 DN150 DN200 DN200 DN200 DN200

Safeguard High and low pressure protection; overload protection; anti-phase protection, compressor over temperature protection; 

high pressure safety valve protection; oil pressure protection; e