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Grundfos CRE Series Installation And Operating Instruction

Grundfos CRE Series
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10.57 Factory settings for Grundfos GO
Settings With factory-fitted sensor Without factory-fitted sensor
Setpoint 75 % of sensor range 75 % speed
Operating mode Normal Normal
Set user-defined speed 67 % 67 %
Control mode Constant pressure Constant curve
Pipe-filling function Not active Not active
Buttons on product Active Active
Stop function (Low-flow stop function) Not active Not active
Controller
Kp: 0.5
Ti: 0.5
Kp: 0.5
Ti: 0.5
Operating range 25-100 % 25-100 %
Ramps
Ramp-up time: 1 s
Ramp-down time: 3 s
Ramp-up time: 1 s
Ramp-down time: 3 s
Number 1 1
Radio communication Activated Activated
Analog input 1 4-20 mA Not active
Analog input 2 Not active Not active
Analog input 3 Not active Not active
Pt100/1000 input 1 Not active Not active
Pt100/1000 input 2 Not active Not active
Digital input 1 Ext. stop Ext. stop
Digital input 2 Not active Not active
Digital input/output 3 Not active Not active
Digital input/output 4 Not active Not active
Pulse flowmeter (Pulse flowmeter setup) - -
Predefined setpoint 0 psi (0 bar) 0 %
Analog output Speed/0-10 V Speed/0-10 V
External setpoint funct. Not active Not active
Signal relay 1 Alarm Alarm
Signal relay 2 Ready Ready
Limit 1 exceeded Not active Not active
Limit 2 exceeded Not active Not active
LiqTec (LiqTec function) Not active Not active
Detection delay 10 seconds 10 seconds
Standstill heating Not active Not active
Motor bearing monitoring Not active Not active
Pump name - -
Connection code - -
Unit configuration (Units) SI SI
60
English (US)

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Grundfos CRE Series Specifications

General IconGeneral
Motor TypeAsynchronous
Enclosure ClassIP55
Insulation ClassF
SeriesCRE
Protection ClassIP55
MaterialStainless Steel
ApplicationsWater Supply, Pressure Boosting, Irrigation
Pumped liquidClean liquids
ApprovalsCE
Voltage380-415V
Connection SizeDN 32 to DN 100
EfficiencyIE3 Premium Efficiency
Power Supply3-phase
Liquid Temperature Range-10°C to +120°C
Temperature Range-10°C to +120°C

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