Service; Maintenance - Grundfos SQF Manual Del Usuario

Code
SQF
1.2
2
x
6.4.6 Type key for SQF centrifugal pump
SQF 5A -3 x
Code
SQF
5
A
3
x
6.4.7 Type key for MSF 3 motor
MSF -3 x
Code
MSF
3
x

7. Service

DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you start any work on the product.
‐
Make sure that the power supply cannot be switched on accidentally.
DANGER
Magnetic field
Death or serious personal injury
‐
Persons with pacemakers dismantling this product must exercise caution when handling the magnetic materials embedded in the
rotor.
Service must be performed by Grundfos service engineers or at Authorised Grundfos service workshops.
Service kits and service tools are available from Grundfos. See the Grundfos service instruction by scanning the QR code.
http://net.grundfos.com/qr/i/96547278

7.1 Maintenance

The pumps are normally maintenance-free.
18
Designation
Type range
Rated flow [m³/h]
Number of stages
Material code
Designation
Type range
Rated flow [m³/h]
Pump generation (A, first generation)
Number of stages
Material code
Designation
Type range
Motor diameter
Material code
Explanation
Submersible pump driven by an MSF
submersible motor
Rated flow
1 to 3 stages for the helical rotor pump
- [ ] = Stainless steel EN 1.4301 - AISI 304
- N = Stainless steel EN 1.4401 - AISI 316
Explanation
Submersible pump driven by an MSF
submersible motor (powered by solar, wind,
generator or battery power)
Rated flow and generation
For internal use in Grundfos
1 to 10 stages for the centrifugal pump
- [ ] = Stainless steel EN 1.4301 - AISI 304
- N = Stainless steel EN 1.4401 - AISI 316
Explanation
MSF: Motor Submersible Flexible. Powered
by solar, wind, generator or battery power.
3"
- [ ] = Stainless steel EN 1.4301 - AISI 304
- N = Stainless steel EN 1.4401 - AISI 316