Description Of Functions; Setpoint; Operating Mode; Set Manual Speed - Grundfos CRE Notice D'installation Et De Fonctionnement

7. Description of functions

7.1 "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 section
mode".
Factory setting
See section 10. Technical data.

7.2 "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 section
speed"
.
34
All operating modes are illustrated in fig. 39.

"Setpoint"

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7.4 "Control
Fig. 39 Operating modes
Factory setting
See section

"Operating mode"

7.3 "Set manual speed"

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This menu is only available in the advanced control panel. With
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Grundfos GO, 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 section

7.4 "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.")
•
Set manual
7.3 "
"Constant flow rate" ("Const. flow rate")
•
"Constant level" ("Const. level")
•
"Constant other value" ("Const. other val.")
•
"Constant curve" ("Const. curve".")
•
Factory setting
See section
H H
"Max."
"Normal"
"Normal"
"Manual"
"Min."
Q Q
"Stop"
10. Technical data.
10. Technical data.
10. Technical data.

"Control mode"

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