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Grundfos MAGNA1 C Installation And Operating Instructions

Grundfos MAGNA1 C
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English (GB)
8
As an alternative to insulating shells, you can insulate the pump
housing and pipes as illustrated in fig. 12.
Fig. 12 Insulation of pump housing and pipe
3.4 Electrical installation
Carry out the electrical connection and protection according to
local regulations.
Check that the supply voltage and frequency correspond to the
values stated on the nameplate.
Make sure that the pump is connected to an external main
switch.
The pump requires no external motor protection.
The motor incorporates thermal protection against slow
overloading and blocking.
When switched on via the power supply, the pump starts after
approximately 5 seconds.
3.4.1 Supply voltage
1 x 230 V ± 10 %, 50/60 Hz, PE.
The voltage tolerances are intended for mains-voltage variations.
Do not use the voltage tolerances for running pumps at other
voltages than those stated on the nameplate.
Do not insulate the control box or cover the control
panel.
TM05 5549 3016
WARNING
Electric shock
Death or serious personal injury
- Lock the main switch in position 0. Type and
requirements as specified in EN 60204-1, 5.3.2.
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 the 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:

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Grundfos MAGNA1 C Specifications

General IconGeneral
Liquid temperature range-10°C to +110°C
Maximum operating pressure10 bar
Enclosure classIP42
Insulation classF
TypeCirculator pump
Pump housingCast iron
SeriesMAGNA1
ModelMAGNA1 C
Protection ClassIP42
ApprovalsCE, EAC
ConnectionFlange
Power Supply1 x 230 V, 50/60 Hz
WeightVaries by model

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