Grundfos CU 301 Instrucciones De Instalación Y Operación página 18

6.3.2 Setpoint
Set the desired pressure in this display.
Setting range unit:
• 40-100 psi, 10 psi intervals.
Factory setting: 70 psi to protect against
excessive pressure. You can change this setting
using Grundfos GO Remote.
Relation to other displays
The setting in the display
by the "Max." and "Min." settings in the display
Operating mode.
Factory setting
50 psi.
Related information
6.3.1 Operating mode
6.3.1 Operating mode
6.3.3 Analog input 1
Make the following settings according to sensor
type:
• Sensor output signal: "-" (not active), 0-20 mA,
4-20 mA, 0-10 V, 2-10 V.
• Setting range unit: bar or psi.
Factory setting: 4-20 mA. This must only be
changed if a different sensor is installed.
The pressure sensor must be replaced
by a sensor measuring the pressure in
the actual measuring unit.
Relation to other displays:
The measuring unit appearing in the display
Value, sensor 1 will be identical to the measuring
unit in the front cover.
Factory setting
Sensor output signal: 4-20 mA
Setting range unit: bar or psi. Automatically set by
the front cover.
Related information
6.2.2 Value, sensor 1
9. Technical data
6.3.4 Maximum pressure
The set maximum pressure equals the upper
possible setting of the setpoint pressure value.
Factory setting: 70 psi. You can change this
setting using Grundfos GO Remote.
6.3.5 Automatic restarting
Set the automatic restart time from stop to restart
attempt.
The following settings are available:
• "Enabled"
• "Disabled"
• 0 to 254 minutes.
Factory setting
"5 minutes".
18
Setpoint is overridden
Related information
5.7 Dry-running protection
6.3.6 Double restarting time
The following settings are available:
• "Enabled"
• "Disabled".
When you select "Enabled", the restart time set
doubles automatically for every 10 motor stops
caused by an alarm. The time doubles up to a
stop time of 4 hours. After 10 hours of operation
without an alarm, the restart time is automatically
set to one of the following:
• The time set in the "Time" field.
• 5 minutes (factory setting) if no setting was
made in the "Time" field.
6.3.7 Dry-running stop
The dry-running stop value (dry-running power
limit) is factory-set.
The value depends on the actual motor.
The factory setting depends on the power rating
of the motor. See section
When the dry-running protection is to be enabled,
the minimum value of the pump power input must
be set in this display.
For further information, see section
protection.
Setting range: 0-2500 W.
Relation to other displays
Dry-running protection must be set to "Enabled".
Read the actual pump power input in the display
Power consumption.
Factory setting
Motor size
0.5 hp
0.5 hp (10 SQE 160
and 10 SQE 160 N)
0.75 hp
1.0 hp
1.5 hp
Related information
5.7 Dry-running protection
6.2.5 Power consumption
6.3.8 Maximum speed
8.1 Troubleshooting with Grundfos GO Remote
9. Technical data
6.3.8 Maximum speed
Set the maximum speed.
Setting range: 3000 - 10,700 rpm.
Factory setting
10,700 rpm.
Technical data.
Dry-running
Dry-running stop
300 W
550 W
680 W
800 W
900 W