Centrifugal pump Stratos GIGA series

glycol waterwaterfor cooling water

Description

• Innovative high-efficiency pump for maximum overall efficiency levels.
• High-efficiency motor with efficiency class IE5 according to IEC 60034-30-2.
• Optional interfaces for connection to the building automation system via plug-in modules.

Design
High-efficiency in-line pump with IE5 motor and electronic power adjustment in glanded pump design. Version as single-stage low-pressure centrifugal pump with flange connection and mechanical seal.

Application
The pumping of heating water (in accordance with VDI 2035), chilled water and water-glycol mixtures without abrasive substances in heating, chilled water and cooling systems.

Equipment / Function

• Operating modes: PID-Control; Constant speed (n = constant).
• Full motor protection with PTC sensor evaluation.
• Emergency operation with reduced speed in case of excessive temperature, undervoltage or mains phase failure.
• Mains phase failure monitoring.
• Real time clock for time-based control.
• Separate counters for variable frequency drive and motor operating hours, kWh counter, fault message memory.
• Integrated electronic operating data diary.
• Dry-running protection and protection against low or no flow rate.
• Energy-saving mode with standby function.
• 4 internal PID controllers.

External control functions

• 2x analogue input 0–10 V / 0–20 mA switchable, scalable and invertible.
• 4x digital, 24 V, selectable logic H- or L-active, programmable.
• 1x analogue output 4–20 mA, programmable and scalable.
• 2x digital terminal, 24 V, logic can be used selectively as input or output.
• 1x relay 240 V AC, both relays potential-free, programmable and/or 1x 400 V AC drop-out delayed.
• Auxiliary voltage: 1x 10 V DC for setpoint potentiometer 1 kΩ and motor protection PTC thermistor; 2x 24 V DC for wiring digital inputs and supplying active signal transmitters for the actual value.
• Communication Modbus.

Data exchange

• External communication via module (optional): Profibus, DeviceNet, ProfiNet, Ethernet, Modbus.

Functions (highlights)

• Full motor protection and PTC evaluation.
• Emergency reduced-speed operation and mains phase failure monitoring.
• Real time clock and multiple counters including kWh and fault memory.
• Integrated energy-saving and dry-run protection functions.

Type key
Example: Wilo-Stratos GIGA 100/5-56/30-xx
Stratos = High-efficiency pump
GIGA = In-line single pump
100 = Nominal flange diameter DN
5-56 = Nominal delivery head range in [m]
30 = Orientation value of the rated power P2 in kW
-xx = Variant suffix, e.g. R1 = version without differential pressure sensor

Scope of delivery

• Pump.
• Installation and operating instructions.

Options

• …-L1 variant with bronze impeller (at additional charge).
• …-L4 variant with stainless steel impeller (at additional charge).
• …-S1 variant with special mechanical seal.
• ...-P6 variant with back pull-out design and cartridge mechanical seal.

Accessories (examples for 30 kW – 55 kW)

• Mounting brackets for fixing to the foundation.
• Profibus DP MCA plug-in module.
• DeviceNet MCA plug-in module.
• ProfiNet MCA plug-in module.
• Ethernet/IP MCA plug-in module.
• ModbusTCP plug-in module.
• Input Card MCB plug-in module.
• Sine filter, DU/DT filter.

Caractéristiques / spécifications techniques

• Permitted temperature range of the fluid: -20 °C to +140 °C.
• Mechanical seal suitable for pumping water up to Tmax = +140 °C. For water-glycol mixtures up to 40% by volume permissible up to +40 °C; alternative mechanical seals required for glycol >40% to max. 50% and fluid temperatures >+40 °C to max. +120 °C. S1 variant recommended for water-glycol mixtures.
• Mains connection options: 3~440 V ±10%, 50/60 Hz; 3~400 V ±10%, 50/60 Hz; 3~380 V -5% +10%, 50/60 Hz.
• Motor efficiency class: IE5 according to IEC 60034-30-2.
• Electromagnetic compatibility: EMC standards EN 61800-3 (emission and immunity).
• IP rating: IP55.
• Nominal diameter: DN 100 to DN 200.
• Max. operating pressure: 16 bar up to +120 °C; 13 bar up to +140 °C.
• Materials: Pump housing and lantern EN-GJL-250; Impeller EN-GJL-200 (special versions: Bronze CuSn10 or CuAl10Fe5Ni5 or Stainless steel 1.4408 depending on type); Shaft 1.4122 or 1.4057 depending on type; Mechanical seal AQEGG, other seals on request.
• Type range: multiple variants and rated powers; product examples include model designations with rated powers from approx. 26 kW up to >50 kW depending on flange size and variant.