Autotherm ATK 2000 cooling unit, 20.5 kW recooling system

Autotherm ATK 2000

Autotherm ATK 2000 cooling system, 20.5 kW cooling unit in a 20-foot container.
Technical data

Nominal voltage: 3/PE AC 50Hz 400V (DIN IEC 38)
Nominal power: 20.5 (31.5) kW
Nominal current: 50 (71) A
Supply line fuse: 80 A

Mechanical data

Dimensions: (W x L x H) 2430 x 6800 x 4350 mm
Weight: 4800 kg
Inlet: Flange SDIN2633 DIN100 PN16
Outlet: Flange SDIN2633 DIN100 PN16
Overflow / drain: 2" internal thread
Well water inlet: 2" internal thread
Well water outlet: 2" internal thread
Adiabatic inlet: 3/4" internal thread
Filling: manual 3/4" internal thread

Water circuit

Coolant: Water/glycol (90% / 10%)
Flow pressure: max. 10.6 bar
Tank volume: 4000 liters

Free cooling circuit

Pump type: Grundfos CR 45-1-1 AFAE-EUUE
Delivery pressure: ... 2.15 bar
Delivery rate: 58 m³/h

Consumer circuit

Pump type: (Pressure boosting system) Grundfos Hydro 2000 ME 2 CRE 32-6 AFAE-EUUE
Delivery pressure: max. 10.6 bar
Delivery rate: max. 40 m³/h

20-foot container AIS-DSC-22-28
External dimensions mm (L x W x H): 6058 x 2438 x 2591
Internal dimensions mm (L x W x H): 5898 x 2352 x 2390
Usable area inside m²: 13.88

Compact control Compact Control 2000 ME.
Compact microprocessor control for stepless and cascade control of pumps with MGE motors and integrated frequency converter for demand-based, energy-optimized operation of multi-pump systems. With automatic switching on and off of the individual speed-controlled pumps via a digital controller specially developed for centrifugal pumps.

Grundfos R100 infrared handheld device and diagnostic unit: for commissioning, data monitoring, reading error messages and configuring Grundfos pumps.

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