Grundfos MAGNA3 25-100 (N) User manual

GRUNDFOS INSTRUCTIONS
MAGNA3
Safety instructions and other important information
Installation and operating instructions
http://net.grundfos.com/qr/i/98091805

English (GB)
2
English (GB) Safety instructions
Original safety instructions
These safety instructions give a quick
overview of the safety precautions to be
taken in connection with any work on this
product.
Observe these safety instructions during
handling, installation, operation,
maintenance, service and repair of this
product.
These safety instructions are a
supplementary document, and all safety
instructions will appear again in the relevant
sections of the installation and operating
instructions.
Keep these safety instructions at the
installation site for future reference.
General warning
Read this document and the quick
guide before installing the product.
Installation and operation must comply
with local regulations and accepted
codes of good practice.

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Type key
This appliance can be used by
children aged from 8 years and above
and persons with reduced physical,
sensory or mental capabilities or lack
of experience and knowledge if they
have been given supervision or
instruction concerning use of the
appliance in a safe way and
understand the hazards involved.
Children shall not play with the
appliance. Cleaning and user
maintenance shall not be made by
children without supervision.
CodeExample (D) 32 -40 (F) (N) 220
Type range
MAGNA3
D
Single-head pump
Twin-head pump
Nominal diameter
(DN) of suction and
discharge ports [mm]
Maximum head [dm]

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Lifting the pump
Installing the product
F
Pipe connection
Threaded
Flange
N
Pump housing material
Cast iron
Stainless steel
Port-to-port length [mm]
Observe local regulations concerning
limits for manual lifting or handling.
Do not lift the pump head by the
control box, i.e. the red area of the
pump.
CAUTION
Pressurised system
Minor or moderate personal injury
- Pay special attention to any
escaping vapour when loosening
the clamp.
CodeExample (D) 32 -40 (F) (N) 220

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CAUTION
Crushing of feet
Minor or moderate personal injury
- Do not drop the pump head when
loosening the clamp.
Fit and tighten the screw that holds the
clamp to 8 Nm ± 1 Nm. Do not apply
more torque than specified even
though water is dripping from the
clamp. The condensed water is most
likely coming from the drain hole under
the clamp.
Check the position of the clamp before
you tighten the clamp. Incorrect
position of the clamp will cause
leakage from the pump and damage
the hydraulic parts in the pump head.
Do not insulate the control box or
cover the operating panel.
8Nm!

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Electrical installation
WARNING
Electric shock
Death or serious personal injury
- Before starting any work on the
product, make sure that the power
supply has been switched off. Lock
the main switch in position 0. Type
and requirements as specified in EN
60204-1, 5.3.2.

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WARNING
Electric shock
Death or serious personal injury
- Connect the pump to an
external main switch with a
minimum contact gap of 3 mm in
all poles.
- Use earthing or neutralisation
for protection against indirect
contact.
- If a plug-connected pump is
connected to an electric
installation where an electrical
circuit breaker (voltage sensing
ELCB, residual-current device
RCD or residual-current circuit
device RCCB) is used as an
additional protection, this circuit
breaker must be marked with
the first or both of the symbols
shown below.
If the pump is
terminal-connected, the circuit
breaker must be marked with
both of the symbols below.

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Product introduction
Radio communication
The radio part of this product is a class 1
device and can be used anywhere in the EU
member states without restrictions.
Intended use
This pump incorporates a radio for remote
control.
Make sure that the fuse is
dimensioned according to the
nameplate and local legislation.
Connect all cables in accordance with
local regulations.
Make sure that all cables are
heat-resistant up to 75 °C.
Install all cables in accordance with
EN 60204-1 and EN 50174-2:2000.
Do not pump aggressive liquids.
Do not pump flammable, combustible
or explosive liquids.

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The pump can communicate with Grundfos
GO and with other MAGNA3 pumps of the
same type via the built-in radio.
Control functions
WARNING
Electric shock
Minor or moderate personal injury
- Separate wires connected to supply
terminals, outputs NC, NO, C and
start-stop input from each other and
from the supply by reinforced
insulation.
Make sure that all cables are
heat-resistant up to 75 °C.
Install all cables in accordance with
EN 60204-1 and EN 50174-2:2000.
Connect all cables in accordance with
local regulations.

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Setting the product
WARNING
Electric shock
Death or serious personal injury
- Separate input voltages from
external equipment from live parts
by reinforced insulation.
CAUTION
Hot surface
Minor or moderate personal injury
- At high liquid temperatures, the
pump housing may be so hot that
only the control panel should be
touched to avoid burns.
Set the operating mode to "Normal"
before you enable a control mode.