Products

Air Cooled Screw Chiller ALSA


From 142 to 1215 kw


The Armanik ALSA large series are packaged air cooled water chillers for cooling applications and outdoor installation.They are .available in 14 models with nominal cooling capacities ranging from 142 to 1,215 Kw

These series are ideal for supplying chilled water for industrial applications and process cooling.


Air Cooled Screw Chiller ALSA
Optimized design for R134a refrigerant.
Casing: Galvanized steel plate with polyesteric coating.
Assembly: Fully bolted/welding free.
Compressor: Twin Screw Semi Hermetic.
Air heat exchanger: Cross fin coil Internally grooved copper tubes and louvered aluminum fins,Direct drive propeller .
Fan: Low rpm, quiet operation.
Water heat exchanger: Shell and tube type.
Factory fitted accessories:
 
- High/low pressure switch.
- Suction & Discharge compressor shut-off valve
- Phase sequence- phase failure - reverse phase and voltage monitoring device.
- Evaporator low temperature protection.
- Electronic microprocessor control with digital display.
- Differential water pressure switch.
- High and low pressure transmitters.
- High pressure safety valve on compressor discharge.
- Constant compressor current monitoring control.
- Compressor oil level control.
- Compressor inside module protection.
- Low and high pressure gauges for each cooling circuit.
- Oil sump heater.
- Frequency inverter for condenser's fan operation.
- Liquid injection cooling system to ensure the appropriate gas discharge temperature.
- Electronic expansion valve, ensuring constant suction gas superheat, at all operating conditions.
- Stepless compressor control, continuously regulating output capacity from 25% to l 00%, in accordance with load demand.
- BMS interface kit for Mod bus connection.
- Anti-vibrations pad.
Optional accessories :
- Unit with hybrid compressors (one compressor with liner capacity control and another fully inverter)
- Unit with full inverter compressors.
- Condenserless unit.
- Unit with remote condensers.
- Unit with low noise operations.
- Unit with super low noise operations.
- Unit with EC fans.
- Unit with open-type compressors for special applications.
- Star-delta start type for reducing starting current.
- Additional oil separator.
- Liquid receivers, muffler, suction accumulator.
- High or low pressure hydraulic kit with single or double pump, including an automatic pump in stand-by.
- Storage tank.
- Expansion tank, air bleed valve, safety valve and water side pressure gauge.
- Microchannel condensing coil.
- Fully PLC based control.
- Touch screen monitoring.
- Unit up to 100% heat recovery.
- Unit with desuperheater operations.
- Power multimeter and Forced limit of power consumption.
- Soft starter.
- Bottom compartment protection nets.
- Coil protection nets.
- Evaporator antifreeze heater and heat recovery exchangers if applicable.
- Digital input for double set-point.
- Remote set-point.
- Compressor oil level sensor.
- Economiser by refrigerant-refrigerant brazed plate heat exchanger.
- Compressor in-line suction filter.
- 4-20 mA or 0-10 Volt analogue signal for shifting set-point.
- Copper/pre-painted (blue or gold) aluminum fin or copper/copper coils.
- Blygold, Heresite or Sakaphen coating for condensing coil.
- Interfaces for serial communication with other devices.
- Integrated management of multiple chillers.
- Victulic connections.
- Spring anti-vibration mounts.
- Condensing coil and fan's enclosure for un-operation season.
- Centrifugal Fans for condenser in special operations.
ALSA 040-345  
Type   ALSA - 040 ALSA - 055 ALSA - 075 ALSA - 090 ALSA - 105 ALSA - 120 ALSA - 130 ALSA - 155 ALSA -170 ALSA - 195 ALSA - 225 ALSA -270 ALSA -315 ALSA - 345
Nominal Cooling capacity Kw 142 190 261 318 368 412 451 546 599 688 789 945 1105 1215
  RT 40 54 74 90 105 117 128 155 170 195 224 268 314 345
  Btu/h 484,091 647,727 889,773 1,084,091 1,254,545 1,404,545 1,537,500 1,861,364 2,042,045 2,345,455 2,689,773 3,221,591 3,767,045 4,142,045
Construction Material /Color (Galvanized steel /Dark Grey (Ral7034
Compressor Twin screw
Quantity   2 2
Capacity Steps Stepless down to 12,5%-100%
Absorbed power Kw 46.4 58 84 98.6 113.4 122.4 136.8 166.8 180 200.8 230 273 311.2 358
Nominal Operating Current A 76.2 96.2 137.8 162.6 186.4 199.8 219.4 267.8 289 322.8 366.8 435.6 495.2 588.6
Maximum Operating Current A 140 184 234 294 338 370 410 516 554 602 694 802 930 970
Condenser High capacity cross finned coil with internally grooved tubes and aluminum fins
Evaporator Shell and tubes
Quantity 1
Water Content Lit 94 88 133 125 222 206 206 185 225 310 378 348 337 435
Max. Operating Pressure Water side bar Bar 10
  Refrigerant side Bar 13
Hydraulic Connections   DN 125 DN 125 DN 150 DN 150 DN 200 DN 200 DN 200 DN200 DN200 DN200 DN200 DN200 DN200 DN200
Nominal Water Supply Lit/h 24.424 32.68 44.892 54.696 63.296 70.864 77.572 93.912 103.028 118.336 135.708 162.54 190.06 208.98
Water Pressure Drop Kpa 22 38 40 40 23 34 41 42 37 32 42 38 46 55
Minimum System Water Content Lit 547 722 984 1263 1446 1572 1731 966 2156 2477 2840 3402 3978 4374
Fans Axial
Quantity   4 4 4 6 6 6 8 10 10 12 14 14 16 16
Speed Rpm 850
Total Air Flow M³/h 79,000 78,240 75,000 117,360 115,000 112,500 156,480 195,000 195,000 234,000 273,000 273,000 312,000 312,000
Absorbed Power Kw 6 6 6 9 9 9 12 15 15 18 21 21 24 24
Nominal Operating Current A 12 12 12 18 18 18 24 30 30 36 42 42 48 48
Maximum Operating Current A 12.4 12.4 12.4 18.6 18.6 18.6 24.8 31 31 37.2 43.4 43.4 49.6 49.6
Electrical characteristics   400V/3Ph/50Hz
Total Absorbed Power Kw 52.4 64 90 107.6 122.4 131.4 148.8 181.8 195 218.8 251 294 335.2 382
Nominal Operating Current A 88.2 108.2 149.8 180.6 204.4 217.8 243.4 297.8 319 358.8 408.8 477.6 543.2 636.6
Maximum Operating Current A 152.4 196.4 246.4 312.6 356.6 388.6 434.8 547 585 639.2 737.4 845.4 979.6 1019.6
Compressor carter resistance power W 300 300 300 300 300 300 300 300 300 300 300 300 300 300
Power Cables Cross Section Per Phase mm2 120 150 185 240 240 2x120 2x185 2X185 2X240 2X300 3X185 3X240 3X240 3X240
Fuses A 3x200 3x250 3x250 3x400 3x400 3x400 3x500 3X500 3X600 3X700 3X800 3X900 3X900 3X900
Voltage Operating Limits V 360-440V
Refrigerant Circuit  
Number Of Circuits 2
Expansion Device Electronic Expansion Valve
Refrigerant Type R134a
Sound Level At 5m dbA 66 67 68 69 69 69 70 72 72 73 74 74 75 75
Dimensions Width (mm) 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200
  Length (mm) 2,900 2,900 2,900 3,900 3,900 3,900 5,200 6,500 6,500 7,800 9,100 9,100 10,400 10,400
  Height (mm) 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200 2,200
Shiping Weight Kg 1,750 2,120 2,570 3,380 3,550 3,700 4,500 5,680 5,680 6,700 7,700 8,100 9,050 9,150

Nominal conditions are as follows :

1. Entering/leaving chilled water temperature 12/7°C, ambient 35°C DB (cooling)

2. Electrical installation specifications are purely indicative and non-binding, all connections to the system andthe electrical installation must be in full accordance with all applicable national and local codes.