Stratos GIGA2.0-I

Design

Application

Equipment/function

Field of application

The pump facilitates an operation via precise setting of the control mode for the system-specific application.

Heating

• Radiator
• Underfloor heating
• Ceiling heating
• Fan heater
• Concrete core heating
• Hydraulic separator
• Differential pressure-less distributor
• Heating buffer tank
• Heat exchanger
• Heat source loop (heat pump)
• District heating loop

Cooling

• Ceiling cooling
• Underfloor cooling
• Air-conditioning devices
• Concrete core cooling
• Hydraulic separator
• Differential pressure-less distributor
• Cooling buffer tank
• Heat exchanger
• Condenser cooling loop
• District cooling loop

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-Limit_max. for limiting the maximum volume flow
• Q-Limit_min. 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-rate-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 depending on the operating mode
• Automatic troubleshooting routines
• Switchover between heating and cooling mode
• Integrated full motor protection
• Deactivation at zero flow rate (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)
  • Application: 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 operation 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 hydraulic minimum efficiency index MEI ≥ 0.7 or MEI ≥ 0.4 (depending on the pump type)
• EC motor with efficiency class IE5 according to IEC 60034-30-2
• PN 16 flanges drilled 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

Technical data

• Permitted temperature range of the fluid: -20 °C to +140 °C
• Ambient temperature: -30 °C to +50 °C (3~)
• Ambient temperature: 0 °C to +50 °C (1~)
• 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
  • Version M-: 1~220 V ... 240 V ±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 200
• 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 (depending on type): PPS-GF40 (DN 32 – DN 100) or EN-GJL-200 (DN 100 – DN 200)
• Shaft: 1.4057
• Mechanical seal: AQ1EGG; other mechanical seals on request

Construction

• High-efficiency pump with EC motor of efficiency class IE5 in accordance with IEC 60034-30-2, hydraulic minimum efficiency index MEI ≥ 0.7 or MEI ≥ 0.4 (depending on the pump type) and electronic power adjustment in glanded pump design.
• Single-stage low-pressure centrifugal pump with one-piece shaft (0.37 – 7.5 kW) in close-coupled design or split shaft (11 – 22 kW)
• Spiral housing in in-line design (suction and discharge ports with the same flanges in a line)
• 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

Options

• Variant …-R1 without differential pressure sensor
• …-S1 variant with special mechanical seal
• …-L1 variant with bronze impeller
• …-L4 variant with stainless steel impeller

Accessories

• 3 mounting brackets with fixation material for installation on a base
• Blind flanges for twin-head pump housing
• Installation aid for mechanical seal (incl. mounting bolts)
• CIF module PLR
• CIF module LON
• CIF module BACnet MS/TP
• Modbus RTU CIF module
• 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