Centrifugal pump Stratos GIGA B series

for cooling waterglycol watermanual

Short description
The Wilo-Stratos GIGA B: Maximum performance at the highest levels of energy efficiency. Ideal high-efficiency pump for use in heating, air conditioning and cooling applications in buildings where large volumes of water have to be pumped to great delivery heads.

Key features

• Innovative, high-efficiency pump for maximum overall efficiency with principal dimensions in accordance with EN 733
• High-efficiency EC motor with efficiency class IE5 in accordance with IEC 60034-30-2
• Integrated pump support feet and optional supporting block allow for easy installation
• Optional interfaces for bus communication using plug-in IF-Modules

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
Operating modes

• Δp-c for constant differential pressure
• Δp-v for variable differential pressure
• PID-Control
• Constant speed (n = constant)

Manual operation level

• Green button and display

Manual functions

• Differential pressure setpoint setting
• Setting the speed (manual control mode)
• Setting the operating mode
• Setting the pump ON/OFF
• Configuration of all operating parameters
• Fault acknowledgement

External control functions

• 1x “Overriding Off” control input
• 1x “External pump alternation” control input (effective only in twin-head pump operation)
• 1x Analogue input 0–10 V, 2–10 V, 0–20 mA, 4–20 mA for constant speed (DDC) and remote setpoint adjustment
• 1x Analogue input 0–10 V, 2–10 V, 0–20 mA, 4–20 mA for actual value signal from pressure sensor

Signal and display functions

• Collective fault signal SSM
• Collective run signal SBM

Data exchange

• Infrared interface for wireless data exchange with IR-Monitor/IR-Stick
• Plug-in position for Wilo IF-Modules (Modbus, BACnet, CAN, PLR, LON) for connection to building automation

Safety functions

• Full motor protection with integrated trip electronics
• Access disable

Dual-pump management (2 x single pump, Y-piece application only)

• Main/standby operation (automatic fault-actuated switchover)
• Pump alternation main/standby operation after 24 hours
• Parallel operation

Type key (excerpt)
Example - Wilo-Stratos GIGA B 40/5-64/15-xx
Stratos GIGA = High-efficiency pump
B = Close-coupled design
40 = Nominal diameter DN of the flange connection (discharge side) [mm]
5-64 = selectable delivery head range (lowest..highest) [m]
15 = Rated power P2 [kW]
-xx = Version suffix (e.g. R1 = version without differential pressure sensor)

Product variants (table excerpt)
Number of results: [144]
Header: Product description | MEI | IE | Pipe connection suction side (DNs) | Pipe connection discharge side (DNd) | Mechanical seal | Rated power P2 | Phase | Article number | GRD group
Stratos GIGA B 32/5-65/11 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 11 kW | 3 | 2221650 | 12
Stratos GIGA B 32/5-65/11-R1 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 11 kW | 3 | 2221652 | 12
Stratos GIGA B 32/5-65/11-R1-S1 | 0.4 | IE5 | DN 50 | DN 32 | Q7Q7X4GG | 11 kW | 3 | 2221653 | 12
Stratos GIGA B 32/5-65/11-S1 | 0.4 | IE5 | DN 50 | DN 32 | Q7Q7X4GG | 11 kW | 3 | 2221651 | 12
Stratos GIGA B 32/6-76/11 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 11 kW | 3 | 2221638 | 12
Stratos GIGA B 32/6-76/11-R1 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 11 kW | 3 | 2221640 | 12
Stratos GIGA B 32/6-76/11-R1-S1 | 0.4 | IE5 | DN 50 | DN 32 | Q7Q7X4GG | 11 kW | 3 | 2221641 | 12
Stratos GIGA B 32/6-76/11-S1 | 0.4 | IE5 | DN 50 | DN 32 | Q7Q7X4GG | 11 kW | 3 | 2221639 | 12
Stratos GIGA B 32/6-82/15 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 15 kW | 3 | 2221646 | 12
Stratos GIGA B 32/6-82/15-R1 | 0.4 | IE5 | DN 50 | DN 32 | AQ1EGG | 15 kW | 3 | 2221648 | 12

Materials

• Pump housing and lantern: EN-GJL-250
• Impeller: EN-GJL-200 (special versions: Bronze CuSn 10 or Stainless steel 1.4408 depending on type)
• Shaft: 1.4122 or 1.4057
• Mechanical seal: AQEGG; other mechanical seals on request

Scope of delivery

• Pump
• Installation and operating instructions

Options

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

Accessories (selected)

• Mounting bracket with fixation material for installation on a base
• Installation aid for mechanical seal
• IR-Stick
• IF modules (PLR, LON, BACnet, Modbus, CAN)
• Control systems VR-HVAC / CCe-HVAC / SCe-HVAC
• Differential pressure sensor (DDG)

Caractéristiques / spécifications techniques

• Permitted fluid temperature range: -20 °C to +140 °C
• Mechanical seal suitable for pumping water up to Tmax = +140 °C; guidance on glycol admixture and special seals for >40% glycol or >+40 °C
• 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 (high-efficiency EC motor)
• IP rating: IP55
• Max. operating pressure: 16 bar up to +120 °C; 13 bar up to +140 °C
• Compliance: Electromagnetic compatibility per EN 61800-3 (interference emission for residential environment and interference immunity for industrial environments)
• Integrated features: full motor protection with trip electronics; infrared interface; plug-in IF-Module slot for building automation