Stratos GIGA2.0-B
Monobloc pump
The smart glanded close-coupled end suction pump for heating, air-conditioning and cooling applications in large buildings.
- Local adjustment and operation through mobile devices via Bluetooth and multi-pump control by means of Wilo Net connectivity
- Analogue and digital interfaces provide a wide range of options, e.g. for integration into building automation systems
- Optimal control using an application-guided setting assistant
- Clear display and Green Button Technology for easy intuitive operation
- Highest transparency of operating data for analysis and optimisation of pump and overall system
- Optimum energy efficiency of the overall system through intelligent interaction of IE5 EC motor technology with proven pump hydraulics (MEI ≥0.7) as well as innovative control functions such as Dynamic Adapt plus, Multi-Flow Adaptation and T-const
- Main dimensions according to EN 733 ensures easy replacement



Design
High-efficiency close-coupled end suction 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
Field of application
The pump facilitates an operation with highest system efficiency via precise setting of the control mode for the system-specific application.
Heating
- Radiator
- Underfloor heating
- Ceiling heating
- Fan heater
- Concrete core heating
- Hydraulic shunt
- Differential pressure-less distributor
- Buffer heating
- Heat exchanger
- Heat source circuit (heat pump)
- District heating circuit
Cooling
- Ceiling cooling
- Underfloor cooling
- Air-conditioning devices
- Concrete core cooling
- Hydraulic shunt
- Differential pressure-less distributor
- Buffer cooling
- Heat exchanger
- Recooling circuit
- District cooling circuit
Heating and cooling combined
- Automatic switchover
Control modes
- Constant speed (n-constant)
- Δp-c for constant differential pressure
- Δp-v for variable differential pressure
- Dynamic Adapt plus for continuous (dynamic) adjustment of the delivery rate to the current requirement
- T-const. for constant temperature control
- ΔT for differential temperature control
- Constant volume flow control (Q constant)
- Multi-Flow Adaptation: Dynamic total volume flow determination through the feeder pump for the needs-based supply of secondary pumps to distributors
- User-defined PID control
Optional functions
- Q-Limitmax. for limiting the maximum volume flow
- Q-Limitmin. for limiting the minimum volume flow
- Index circuit evaluator (Δp-c control with external actual value differential pressure sensor)
- Variable pitch adjustment of Δp-v characteristic curve
- No-Flow Stop (zero-flow-deactivation)
Manual settings
- Selection of the field of application in the setting assistant
- Setting the related operating parameters
- Nominal duty point: direct input of calculated duty point H and Q at Δp-v
- Correction of viscous fluids via adjustment of viscosity and density
- Status display
- Setting and resetting the energy meters (heating and cooling)
- Key lock for disabling the settings
- Function for resetting the factory settings or the saved restoration points (parameter sets)
- Parameterising the analogue inputs
- Parameterising the binary inputs
- Parameterising the relay outputs
- Dual-pump function (for 2 single pumps, which should be operated as a two-pump system)
Automatic functions
- Power adjustment according to requirements for energy-efficient operation depending on the operating mode
- Automatic troubleshooting routines
- Switchover between heating and cooling mode
- Integrated full motor protection
- Deactivation at zero flow (No-Flow Stop)
- Continuous operating data memory
- Time stamp for errors/warnings and historical operating data
External control inputs and outputs and their functions
- 4x analogue input:
- Signal types: 0 – 10 V, 2 – 10 V, 0 – 20 mA, 4 – 20 mA, PT1000 (only with two analogue inputs)
- Applications: Differential pressure sensor (installed on the pump in series as standard), remote adjustment of the setpoints in every control mode (except Multi-Flow Adaptation), sensor inputs for e.g. temperature, differential pressure sensor for index circuit evaluator at a remote point in the system or free sensor in user-defined PID-operating mode
- 2 x digital inputs:
- For potential-free control outputs or switch
- Parametrisable functions:
- Ext. OFF
- Ext. MIN
- Ext. MAX
- MANUAL (building automation BA OFF)
- Key lock
- Switchover between heating and cooling mode
- 2x relay output:
- Collective fault signal SSM (potential-free changeover contact)
- Collective run signal SBM (potential-free changeover contact)
- Wilo Net
- For dual-pump management of 2 single pumps; communication of several pumps with each other (Multi-Flow Adaptation)
Signal and display functions
- Display status of "Operation display":
- Current control mode
- Setpoint
- Actual delivery head
- Actual volume flow
- Electrical power consumption
- Electric consumption
- Fluid temperatures (if temperature sensors are connected)
- Display of current duty point in the hydraulic duty chart
- Status display LED: Faultless operation (green LED), pump communication (blue LED)
- Display status of "Display fault" (display red):
- Error codes and error description in full text
- Plain text instructions on remedial measures
- Display status of "Display warning" (display yellow):
- Warning codes and description of the warning in full text
- Plain text instructions on remedial measures
- Display status of "Process indicator" (display blue):
- Software update procedure
- Display status of "Building automation (BA) communication" (display blue):
- Summary of the active building automation (BA) parameters (baud rate, address, etc.)
- Collective fault signal SSM (potential-free changeover contact)
- Collective run signal SBM (potential-free changeover contact)
Data exchange
- Wilo-Smart Connect module BT in serial scope of delivery of the pump as a Bluetooth interface for wireless data exchange as well as remote control of the pump with a smartphone or tablet.
- Possible with accessories of corresponding Wilo-CIF modules:
- Serial digital Modbus RTU interface for connection to building automation (BA) via RS485 bus system
- Serial digital BACnet MS/TP interface for connection to building automation (BA) via RS485 bus system
- Serial digital interface for Ethernet Multiprotocol Modbus TCP, BACnet/IP for connection to building automation (BA) via RJ45 bus system
- Serial digital LON interface for connection to building automation (BA) via LONWorks bus system
- Serial digital PLR interface for connection to BA via company-specific coupling module
- Serial digital CANopen interface for connection to BA via company-specific coupling module
Dual-pump management (twin-head pump or 2 x single pumps in Y-piece)
- Main/standby operation (time-dependent pump alternation)
- Main/standby operation (automatic fault-actuated switchover)
- Parallel operation (efficiency-optimised peak load cut-in and out)
Equipment
- Pump hydraulics with minimum efficiency index MEI ≥ 0.7
- EC motor with efficiency class IE5 according to IEC 60034-30-2
- Flange PN 16 according to EN 1092-2
- Pressure measuring connections (R 1/8) for mounted differential pressure sensor (version ...-R1 without differential pressure sensor)
- Standard condensate drainage holes in the motor housing (closed upon delivery)
- Air vent valve on the lantern
- High resolution, rotatable graphics display with green button (4.3 inch) and 2 additional buttons
- 6 cable inlets for connecting the power supply and the binary and analogue inputs
- Various integrated communication interfaces and optionally usable CIF module plug-in position
- Bluetooth interface via Wilo-Smart Connect module BT included in the scope of delivery
Type key
Example | Wilo-Stratos GIGA2.0-B 50/1-38/5.5-xx |
Stratos GIGA | High-efficiency pump |
2.0 | Second generation |
-B | Close-coupled design |
50 | Nominal diameter DN of the flange connection (for Stratos GIGA B: discharge side) [mm] |
1-38 | Nominal delivery head range in [m] |
5.5 | Rated power P2 in [kW] |
-xx | Variant: e.g. R1 – version without differential pressure sensor |
Technical data
- Permitted temperature range of the fluid: -20 °C to +140 °C
- Ambient temperature: -30 °C to +50 °C
- Mechanical seal for pumping water up to Tmax = +140 °C. Up to T ≤ +40 °C, a glycol admixture of 20% to 40% by volume is permissible. An alternative mechanical seal must be provided for water-glycol mixtures with a glycol content of > 40% to max. 50% by volume and a fluid temperature of > +40 °C to max. +120 °C or other fluids that differ from water. When using water-glycol mixtures, the use of an S1 variant with a corresponding mechanical seal is generally recommended.
- Mains connection:
- 3~440 V ±10%, 50/60 Hz, 3~400 V ±10%, 50/60 Hz, 3~380 V -5% +10%, 50/60 Hz
- Compliance with electromagnetic compatibility without additional measures:
- Interference emission for residential environment according to EN 61800-3:2018
- Interference immunity for industrial environments according to EN 61800-3:2018
- IP55 rating
- Flange nominal diameter DN 32 to DN 80
- Max. operating pressure 16 bar up to +120 °C, 13 bar up to +140 °C
Materials
- Pump housing and lantern: EN-GJL-250
- Pump housing and motor flange with cataphoretic coating as standard
- Impeller: EN-GJL-200
- Special version: Bronze CuSn 10 (depending on type)
- Special version: Stainless steel 1.4408 (depending on type)
- Shaft: 1.4057
- Mechanical seal: AQ1EGG; other mechanical seals on request
Construction
- High-efficiency close-coupled end suction pump with EC motor of energy efficiency class IE5 in accordance with IEC 60034-30-2, hydraulics with minimum efficiency index MEI ≥ 0.7 and electronic power adjustment with a glanded pump design.
- Single-stage low-pressure centrifugal pump with one-piece shaft in close-coupled design including a foot on pump housing.
- Rotatable, graphic colour display (4.3 inches) with one button manual operation level
- Integrated motor protection
Scope of delivery
- Pump
- Wilo-Smart Connect module BT
- Threaded cable glands with sealing inserts
- Installation and operating instructions and declaration of conformity
Options
- -L1 variant with bronze impeller (at additional charge)
- …-L4 variant with stainless steel impeller (at additional charge)
- …-R1 variant without differential pressure sensor
- …-S1 variant with special mechanical seal
Accessories
- Installation aid for mechanical seal (incl. mounting bolts)
- CIF module PLR
- CIF module LON
- CIF module BACnet MS/TP
- CIF module Modbus RTU
- CIF module CANopen
- CIF module Ethernet Multi-protocol (Modbus TCP, BACnet/IP)
- Connection M12 RJ45 CIF Ethernet
- Differential pressure sensor DPS 2 ... 10 V
- Differential pressure sensor DPS 4 ... 20 mA
- Temperature sensor PT1000 AA
- Sensor sleeves for the installation of temperature sensors




