Grundfos CRE User Manual

9.2 Factory settings
● Function is enabled.
❍ Function is disabled.
- Function is not available.
Settings
CRE, CRIE, CRNE, CRKE, SPKE, MTRE
With factory-fitted
sensor
Without factory-fitted
sensor
CME
"Setpoint" 75 % of sensor range 75 % of sensor range 75 % of sensor range
"Operating mode" "Normal" "Normal" "Normal"
"Control mode" "Constant pressure" "Constant pressure" "Constant pressure"
"Pipe filling function" "Not active" "Not active" "Not active"
"Buttons on product" ("Enable/disable settings") "Active" "Active" "Active"
"Stop function" ("Low-flow stop function") "Not active" "Not active" "Not active"
"Controller" ("Controller settings") ● ● ●
"Ti" 0.5 0.5 0.5
"Kp" 0.5 0.5 0.5
"Operating range" 50-100 % 50-100 % 50-100 %
"Ramps"
"Ramp-up" 1 second 1 second 1 second
"Ramp-down" 3 seconds 3 seconds 3 seconds
"Number" ("Pump number") - - -
"Radio communication" ("Enable/disable radio comm.") "Active" "Active" "Active"
"Analog inputs"
"Analog input 1" "4-20 mA" "Not active" "Not active"
"Analog input 2" "Not active" "Not active" "Not active"
"Analog input 3" "Not active" "Not active" "Not active"
"Pt100/1000 inputs"
"Pt100/1000 input 1" "Not active" "Not active" "Not active"
"Pt100/1000 input 2" "Not active" "Not active" "Not active"
"Digital inputs"
"Digital input 1" "External stop" "External stop" "External stop"
"Digital input 2" "Not active" "Not active" "Not active"
"Digital inputs/outputs"
"Digital in/output 3" "Not active" "Not active" "Not active"
"Digital in/output 4" "Not active" "Not active" "Not active"
"Pulse flowmeter" ("Pulse flowmeter setup") ❍ ❍ ❍
"Predefined setpoints" 0 psi / 0 bar 0 % 0 %
"Analog output" "Speed" "Speed" Speed
"External setpoint function" "Not active" "Not active" "Not active"
"Signal relays" 1 and 2 ("Relay outputs")
"Signal relay 1" "Alarm" "Alarm" "Alarm"
"Signal relay 2" "Running" "Running" "Running"
"Limit-exceeded function"
"Limit 1 exceeded" "Not active" "Not active" "Not active"
"Limit 2 exceeded" "Not active" "Not active" "Not active"
"LiqTec" ("LiqTec function")
"LiqTec" "Not active" "Not active" "Not active"
"Detection delay time" 40 seconds 40 seconds 40 seconds
60
English (US)

Grundfos CRE Specifications

General

Protection Class	IP55
Material	Stainless Steel
Applications	Water supply, pressure boosting, irrigation
Impeller Material	Stainless Steel
Pump Housing Material	Stainless Steel
Connection Size	DN32 to DN200 (depending on model)
Power Supply	3-phase
Control	Integrated frequency converter