Wilo Stratos, GIGA2.0-I 125/1-7/2,2, Circulation Pump

Description

Dry highly efficient circulation pump in single version, delivered complete with differential pressure transmitter. Equipped with permanent magnet motor and built-in frequency converter. Together with CIF module (accessory) prepared for connection to building automation via Ethernet, interface CAN, LON, BACnet or Modbus.

Functions

• Selection of area of use in the settings assistant
• Heat quantity registration
• Cooling quantity registration
• Adjustable flow limitation through Q-Limit function (Qmin. and Qmax.)
• Operating mode of twin pumps: Main/standby operation, efficiency-optimized parallel operation for dp-c and dp-v
• Automatic pump shutdown when zero flow is detected (No-Flow Stop)
• Switching between heating and cooling operation (automatic, external or manual)
• Save and reset the set pump settings (3 reset points)
• Indication of the current operating point in hydraulic total characteristic field
• Correction of viscous media by adjusting the viscosity and density
• Error/warning message in plain text including action recommendation
• Integrated full engine protection

Hydraulic Data

• Minimum Effectiveness Index (MEI) : ≥0.7
• Maximum operating pressure PN : 16 bar
• My. medium temperature Tmin : -20 °C
• Max. medium temperature Tmax : 140 °C
• Ambient temperature min. Tmin : 0 °C
• Max. ambient temperature Tmax : 50 °C

Driving

• Mains connection 3~400 V, 50/60 Hz
• Motor efficiency class IE5
• Power consumption P1 max 2300 W
• Motor rated power P2 2.2 kW
• Rated current IN 3.6 A
• Disturbance emission EN 61800-3
• Interference stability EN 61800-3
• Insulation class F
• Protection class motor IP55
• Motor protection PTC integrated

Material

• Pump housing Cast iron
• Impeller Cast iron
• Shaft stainless steel
• Shaft seal AQ1EGG
• Lanterna 5.1301/EN-GJL-250, KTL coated

Permitted liquids (other liquids on request)

• Heat conduction water (according to VDI 2035) : Yes
• Heat carrier oil: Special design at extra cost
• Cooling and cold water : Yes
• Water-glycol mixture (at 20 – 40 vol.-% glycol and medium temperature ≤ 40 °C) : Yes

Installation Dimensions

• Construction length L0: 620 mm
• Pipe connection on the suction side: DN 125
• Pipe connection on the pressure side: DN 125

Measure

• Length: 734 mm
• Height: 620 mm
• Width: 342 mm