Description Of Functions; Setpoint; Operating Mode; Set Manual Speed - Grundfos CRE Installation And Operating Instructions Manual

8. Description of functions

8.1 "Setpoint"

Pump variant
CME
CRE, CRIE, CRNE, CRKE, SPKE, MTRE
You can set the setpoint for all control modes when you have
selected the desired control mode. See the section on the control
mode.
Factory setting
See the section on factory settings.
Related information
8.4 "Control mode"
9.2 Factory settings

8.2 "Operating mode"

Pump variant
CME
CRE, CRIE, CRNE, CRKE, SPKE, MTRE
Possible operating modes:
• "Normal"
The pump runs according to the selected control mode.
• "Stop"
The pump stops.
• "Min."
You can use the minimum curve mode in periods in which a
minimum flow is required. When operating according to the
minimum curve, the pump is operating like an uncontrolled
pump.
• "Max."
You can use the maximum curve mode in periods in which a
maximum flow is required. When operating according to the
maximum curve, the pump is operating like an uncontrolled
pump.
• "Manual"
The pump is operating at a manually set speed. In "Manual" the
setpoint via bus is over-ruled. See the section on setting the
manual speed.
All operating modes are illustrated in the figure below.
H
1
2
2
4
5
Operating modes
Pos. Description
1 "Max."
2 "Normal"
3 "Manual"
4 "Min."
5 "Stop"
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"Setpoint"
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"Operating mode"
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3
Q
Factory setting
See the section on factory settings.
Related information
8.3 "Set manual speed"
9.2 Factory settings

8.3 "Set manual speed"

This menu is only available in the advanced operating panel. With
Grundfos GO Remote, you set the speed via the "Setpoint" menu.
You can set the pump speed in % of the maximum speed. When
you have set the operating mode to "Manual", the pump runs at the
set speed.
Factory setting
See the section on factory settings.
Related information
9.2 Factory settings

8.4 "Control mode"

Pump variant
CME
CRE, CRIE, CRNE, CRKE, SPKE, MTRE
Possible control modes:
• "Constant pressure" ("Const. pressure")
• "Constant temperature" ("Const. temp.")
• "Constant differential pressure" ("Con. diff. press.")
• "Constant differential temperature" ("Con. diff. temp.")
• "Constant flow rate" ("Const. flow rate")
• "Constant level" ("Const. level")
• "Constant other value" ("Const. other val.")
• "Constant curve" ("Const. curve".")
Factory setting
See the section on factory settings.
Related information
9.2 Factory settings
"Control mode"
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