Intended Use Of The Product; Pumped Liquids; Servicing The Product - Grundfos CR Serie Instrucciones De Instalación Y Funcionamiento

5.2 Intended use of the product

Only use the CR, CRI and CRN pumps according to
the specification stated in these installation and
operating instructions.
5.2.1 Applications
Grundfos multistage in-line centrifugal pumps, types
CR, CRI and CRN, are designed for a wide range of
applications.
CR, CRI, CRN
CR, CRI and CRN pumps are suitable for liquid
transfer, circulation and pressure boosting of cold or
hot clean liquids.
CRN
Use CRN pumps in systems where all parts in
contact with the liquid are made of high-grade
stainless steel.

5.2.2 Pumped liquids

DANGER
Fire and explosion
Death or serious personal injury
- Do not use the pump for flammable,
combustible or explosive liquids.
WARNING
Chemical attack and leakage
Death or serious personal injury
- Do not use the pump for liquids which
can attack the pump materials
chemically.
- Contact Grundfos if in doubt.
WARNING
Corrosive liquids
Death or serious personal injury
- Wear personal protective equipment.
WARNING
Toxic liquids
Death or serious personal injury
- Wear personal protective equipment.
CAUTION
Hot or cold liquid
Minor or moderate personal injury
- Wear personal protective equipment.
CR, CRI and CRN pump are suitable for pumping
thin, clean, non-flammable, non-combustible or non-
explosive liquids, not containing solid particles or
fibres.
When pumping liquids with a density and/or viscosity
higher than that of water, use motors with
correspondingly higher outputs, if required.

6. Servicing the product

DANGER
Electric shock
Death or serious personal injury
- Before starting any work on the product,
make sure that the power supply has
been switched off and that it cannot be
accidentally switched on.
WARNING
Falling objects
Death or serious personal injury
- Follow the lifting instructions.
- Use lifting equipment which is approved
for the weight of the product.
- Persons must keep a safe distance to
the product during lifting operations.
- Wear personal protective equipment.
For lifting instructions, see section
product.
WARNING
Falling objects
Death or serious personal injury
- Keep the product in a stable and fixed
position when working on it.
WARNING
Corrosive liquids
Death or serious personal injury
- Wear personal protective equipment.
WARNING
Toxic liquids
Death or serious personal injury
- Wear personal protective equipment.
WARNING
Contamination when pumping drinking
water
Death or serious personal injury
- Before the pump is used for supplying
drinking water, flush the pump
thoroughly with clean water.
- Do not use the pump for drinking water
if the internal parts have been in contact
with particles or substances not suitable
for water intended for human
consumption.
- Always use original spare parts suitable
for drinking water.
2.4 Lifting the
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