VLT® AQUA Drive

Makes water and wastewater operation pure child’s play

aqua_001Danfoss Drives’ unsurpassed experience in advanced drive technologies for water and wastewater applications makes the VLT® AQUA Drive the perfect match for pumps and blowers in modern water and wastewater systems.
The perfect match for:
● Water supply
● Wastewater treatment
● Irrigation
Power range:
200 – 240 V AC: 0.25 – 45 kW
380 – 480 V AC: 0.37– 450 kW (Up to 1 MW planned)
525 – 690 V AC: 11 – 630 kW (Up to 1.2 MW planned)

. Auto tuning of PI-controllers. Time saved

Features Benefits
Dedicated features
. Sensorless pump control . Less wiring cost
. Dry pump detection . Protects the pump
. Flow compensation function . Save energy
. 2 step ramps (initial ramp) . Protects pumps and system
. Pipe fill mode . Eliminate water hammering
. Built-in motor alternation feature . Duty-stand by operation, cost reduction
. Sleep Mode . Saves energy
. No / low flow detection . Protects the pump
. End of pump-curve detection . Protects the pump, leakage detection
. Pump cascade controller . Lower equipment cost
Energy saving -Less operation cost
. VLT efficiency (98%) . Save energy
. Automatic Energy Optimisation (AEO) . Save 5-15% energy
. Sleep Mode function . Save energy
Reliable – Maximum uptime
. IP 66 enclosures . Outdoor mounting
. All power sizes available in IP 54/55 enclosures available in the full range . Broad usability
. Password protection . Reliable operation
. Mains disconnect switch . No need for external switch
. Optional, built-in RFI suppression . No need for external modules
. Built-in Smart Logic Controller . Often makes PLC omissible
. One Wire safe stop . Safe operation/less wiring
. Max ambient temperature up to 50 deg. Celcius without derating . Reduced need for cooling
User friendly – Save initial and operation cost
. Award winning control panel (LCP) . Effective commissioning and operation
. One drive type for full power range . Less learning required
. Intuitive user interface . Time saved
. Integrated Real Time Clock . Lower equipment cost
. Modular design . Enables fast installation of options
. Payback time indication . Less worries

Application options

A wide range of integrated AQUA options can be fitted in the drive:
General purpose I/O option:
3 digital inputs, 2 digital outputs, 1 analog current output, 2 analog voltage inputs
External 24 V DC supply option :
24 V DC external supply can be connected to supply, control- and option cards.
Coated PCB available For harsh environments.

Power options

Danfoss Drives off ers a wide range of external power options for use together with our drive in critical
networks or applications:
• Advanced Harmonic Filters:
for applications where reducing harmonic distortion is critical
• dU/dt fi lters: For providing motor isolation protection
• Sine fi lters (LC fi lters):
For noiseless motor
AQUA PC software
• MCT 10
– ideal for commissioning and servicing the drive including guided programming of cascade controller, real time clock, smart logic controller and preventive maintenance.
• VLT Energy Box
– comprehensive energy analysis tool, shows the drive payback time
• MCT 31
– harmonics calculations tool

Specifications
Mains supply (L1, L2, L3):
Supply voltage: 200-240V +/-10%, 380-480V +/-10%, 525-690V +/-10%
Supply frequency 50/60Hz
Displacement Power Factor (cosΦ) near unity (>0.98)
True power factor (λ) ≥0.9
Switching on input supply L1, L2, L3 1-2 times/min.
Output data (U, V, W):
Output voltage: 0-100% of supply
Switching on output Unlimited
Ramp times 1-3600 sec.
Closed loop 0-132 Hz
*VLT* AQUA Drive can provide 110% current for 1 minute.
Higher overload rating is achieved by oversizing the drive.
Digital inputs:
Programmable digital inputs: 6*
Logic PNP or NPN
Voltage level 0-24 VDC
* Two of the inputs can be used as digital outputs.
Analog inputs:
Analog inputs 2
Modes Voltage or current
Voltage level: -10 to + 10 V (scaleable)
Current: 0/4 to 20 mA (scaleable)
Pulse inputs:
Programmable pulse inputs 2
Voltage level 0-24 VDC (PNP positive logic)
Pulse input accuracy (0.1-110 kHz)
* Two of the digital inputs can be used for pulse inputs.
Analog output:
Programmable analog outputs 1
Current range at analog output: 0/4-20 mA
Relay outputs:
Programmable analog outputs: 2 (240 VAC, 2 A and 00 VAC,2 A)
Fieldbus communication:
FC Protocol and Modbus RTU built in (LonWorks, DeviceNet, Profibus optional)
Ambient temp: up to 50°C

aqua_006

IP 20 IP 66 IP 21 and IP 55
Enclosure A2 A3 B1 B2 C1 C2 D1 D2 E1 E2 E3
Height 268 268 481 651 680 770 1159 1540 2000 2000 2000
Width 90 130 242 242 308 370 420 420 600 1400 1600
Depth 205 205 261 261 310 335 373 373 494 600 600
IP 54 and 66 IP 00
Enclosure A5 D1 D2 E1
Height 420 997 1277 1499
Width 242 408 408 585
Depth 200 373 373 494