Grundfos SB User Manual

6.4.1 Dry running during priming
If the control unit does not detect any pressure and
flow within 5 min after it has been connected to a
power supply and the pump has started, the dry-
running function is activated and the pump stops.
6.4.2 Dry running during operation
If the control unit does not detect any pressure and
flow within 40 s during normal operation, the dry-
running function is activated and the pump stops.
6.4.3 Resetting of dry-running alarm
If a dry-running alarm has been activated, you can
restart the pump manually by switching off the power
supply, wait for 2 min and reconnect power. If the
control unit does not detect any pressure and flow
within 40 s after restarting, the dry-running alarm is
reactivated.
6.5 Intended use
Grundfos SB and SBA pumps are designed for
pumping clean water. The pumps are especially
suitable for rainwater applications and small private
wells.
Typical applications:
• traditional wells
• shallow wells
• rainwater collection in tanks
• boosting of public water
• emptying of garden ponds
• irrigation.
6.6
Pumped liquids
The pumps are designed for fresh water with a
maximum chloride content of 300 ppm and a free
chlorine content below 1 ppm.
The product is suitable for pumping clean, thin, non-
aggressive and non-explosive liquids without solid
particles or fibres.
The pumps are not suitable for these liquids:
• liquids containing long fibres
• inflammable liquids (oil, petrol, etc.)
• aggressive liquids.
6.7
Identification
6.7.1 Nameplate
Type
Model
1×220
Qmax
Made in Italy by Grundfos
SB 5-50 A
9xxxxxxx
V~ 60Hz P2
130 l/m Hmax
P10 3.1810 SN100001
1.5
HP
U
I1/1 7.6 A
50m Tmax 40°C 15m
IP68Insulation Class F
DK - 8850 Bjerringbro, Denmark
1 2
14 13 12 11 10
3 4 5
17
16
15
6
7
8
9
TM071530
Example of nameplate
Pos. Description
1 Product type
2 Frequency [Hz]
3 Production code (year and week)
4
50 Hz, P1: Power input [W]
60 Hz, P2: Motor output [HP]
5 Serial number
6 Full-load current [A]
7 Max. installation depth [m]
8 Max. liquid temperature [°C]
9 Enclosure class
10 Manufacturer
11 Motor insulation class
12 Max. head [m]
13 Country of origin
14 Approval marks
15 Max. flow rate [l/min]
16 Supply voltage [V]
17 Product number
12
English (GB)

Grundfos SB Specifications

General

Brand	Grundfos
Model	SB
Category	Water Pump
Language	English