Compact pressure-boosting system with break tank for system separation (drinking water/drinking water or drinking water/non-drinking water) in accordance with DIN 1988 and DIN EN 1717 (Fluid Category 5) for indirect connection. Consisting of break tank, float valve, float switch as dry-running protection signal transmitter and a non-self-priming, vertical stainless steel high-pressure multistage centrifugal pump in glanded version, including air-cooled integrated frequency converter. Ready for connection with pipework, mounted on the tank’s PE baseplate, with all necessary measurement and adjustment equipment.
For drinking water separation and fully automatic water supply and pressure boosting in residential, office and administrative buildings, department stores (within the scope of DIN 1988 and DIN EN 806, systems must be equipped with a standby pump for this purpose) as well as in industrial and agricultural systems.
For pumping drinking water, process water, cooling water, firefighting water (apart from fire-fighting systems in accordance with DIN 14462 and with the approval of the local fire safety authorities) or other types of industrial water that do not corrode the materials either chemically or mechanically and do not contain abrasive or long-fibre constituents.
Special features/product benefits
– Easy operation and configuration due to rotary knob and colour display with plain text.
– Drinking water approval of the pump for all parts that come in contact with the fluid (EPDM version).
– Highly efficient pump hydraulics from the Helix2.0 VE series paired with IE5 IEC standard motors and continuous control mode with integrated frequency converter.
– Disproportionately large FC control range from 25 Hz up to a maximum of 60 Hz (version dependent).
– Bidirectional mechanical seal for pump.
– Integrated motor protection against overheating with PTC.
– Integrated low-water detection with automatic deactivation via the performance characteristics of the motor control electronics.
– Parts that come in contact with the fluid are corrosion-resistant.
– Break tank made of polyethylene (PE) with operational overflow (HT) and emergency overflow slot according to DIN EN 13077 (can be optionally extended with overflow box incl. dirt guard).
– Calmed inlet valve, mounted in a twist-proof manner at the factory.
– Hydraulics of entire system are pressure-loss optimised.
– Factory inspection and default setting at optimal operating range (incl. factory test report).
Equipment/function
– One pump of the Helix2.0 VE series, with IE5 equivalent standard motor and continuous control mode with integrated frequency converter
– Baseplate made of polyethylene (PE)
– Shut-off valve on the discharge side
– Non-return valve on the suction side
– 8 litre diaphragm pressure vessel, PN 16 including throughflow fitting in accordance with DIN 4807, discharge side
– Pressure sensor, discharge side
– Pressure gauge, discharge side
– Pressure sensor, suction side
The Wilo pressure-boosting system can be equipped with the Wilo-CTRL SCe switchgear as a special system on request.
Control modes
– Constant pressure
– Variable pressure: Pressure control with sensor, setpoint adjustment with green button or by means of external signals
The electronic module provides various protective functions. This includes:
– Overload protection
– Detection of dry run
– Network undervoltage or overvoltage
– Ambient temperature too high
– Missing phase
– Blocked pump
– Short-circuit
– Error messages are issued on the display.
Input:
– In1: Input, sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
– In2: Input, setpoint 0-20 mA, 0-10 V, 4-20 mA or 2-10 V
Interfaces:
– + 24 V voltage output with max. contact capacity of 50 mA
– Potential-free collective fault and run signal
– External On/Off mode. IR communication
– Plug-in position for Wilo IF modules Modbus, BACnet, CAN, PLR, LON for connection to the building automation
Recommended accessories (to be ordered separately)
– Flexible connection pipes or compensators
– Diaphragm expansion tank
– Overflow box incl. dirt guard
Standards followed
Codes of practice for drinking water installations – DIN 1988 (EN 806)
Diaphragm pressure vessel/diaphragm expansion tank DIN 4807
Electronic equipment for use in power installations, EN 50178
Electrical Equipment of Machines EN 60204-1
Safety of household and similar electrical devices EN 60335-1
Low-voltage switchgear and controlgear assemblies EN 60439-1/61439-1
EMC – Interference immunity for Industrial Environments EN 61000-6-2
EMC – Interference emission for residential, commercial and light-industrial environments (EN 61000-6-3)
Operating Data
Fluid media: Water 100 %
Fluid temperature: 20.00 °C
Requested flow:
Requested head:
Max. delivery head: 45.80 m
Number of pumps: 1
Fluid temperature: 5…40 °C
Ambient temperature: 5…40 °C
Maximum operating pressure: 16 bar
Maximum inlet pressure: 600 kPa
Motor data
Mains connection: 3~400V/50 Hz
Rated power: 1.1 kW
Rated current: 2 A
Rated speed:
Activation type: Softstart
Motor efficiency 50%: 0.0 %
Motor efficiency 75%: 0.0 %
Motor efficiency 100%: 93.9 %
Insulation class: F
Protection class motor: IP55
Protection class switchgear: IP55
Materials
Tank: PE-HD
Pump housing: 1.4301
Impeller: 1.4307
Shaft: 1.4301
Shaft seal: BQ7EGG
Gasket material: EPDM
Pipework material: 1.4307
Installation dimensions
Pipe connection on the suction side: G 1¼, PN 10
Pipe connection on the discharge side: G 1¼, PN 16
Overflow connection: Ø 110
Gross volume of the tank: 150 l
Ordering information
Net weight, approx.: 93 kg
Brand: Wilo
Product description: COR/T-1HELIX2.0 VE405-GE
Article number: 4254829
