Related information
3.2.1 Lifting the product
8. Taking the product out of operation
5.2 Storing the product
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when moving the
product.
Storing a new product
Make sure that the storage temperature is within the
permissible limits.
Storing a used product
If the product is not going to be used for a period of
time, proceed as follows:
1. Disconnect the power supply to the product.
2. Lift the product carefully out of the borehole.
3. Disconnect the product from the outlet pipe.
4. Make sure that the storage temperature is within
the permissible limits.
If the storage temperature is below zero, the
motor must be filled with frost proof motor liquid.
Contact a service workshop authorised by
Grundfos. See the Grundfos service instruction by
scanning the QR code.
TM070145
http://net.grundfos.com/qr/i/96547278
Related information
3.2.1 Lifting the product
8. Taking the product out of operation
10.2 Mechanical data
6. Product introduction
6.1 Product description
The SQF pump range comprises two pump
technologies:
•
helical rotor pump (3") for high heads and small
flow rates
•
centrifugal pump (3" and 4") for low heads and
large flow rates.
The performance curves below illustrate the pump
performance of the two pump models.
Q
H
A
B
TM022425
Performance ranges for helical rotor and centrifugal
pumps
Pos.
Description
A
Helical rotor pump
B
Centrifugal pump
Q
/day
All pump types are available in two material variants:
•
SQF is the standard version made of stainless
steel DIN W.-Nr. 1.4301
•
SQF-N is made of stainless steel DIN W.-Nr.
1.4401.
6.1.1 Built-in motor protection
The product incorporates protection of the motor
against the following situations:
•
dry running
•
voltage surges up to 6000 V. In areas with high
lightning intensity, external lightning protection is
required.
•
overvoltage
•
undervoltage
•
overtemperature.
In case of overload, the built-in overload protection
will stop the pump for 5 minutes. After that period, the
pump will automatically attempt to restart.
12
English (GB)
