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Grundfos RSI - Page 5

Grundfos RSI
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WARNING
Death or serious personal injury
The drive must always be grounded
with a grounding conductor that is con-
nected to the grounding terminal. The
terminal is identified with the grounding
symbol in RSI input terminals.
To avoid arc discharge and fire, tighten all
terminals with the specified torque.
For distances (pump to the inverter) ex-
ceeding 15 m (50 ft), use a sine-wave filter
with matching current ratings.
Minimum cross-sectional area of protective
conductors (HD 60364-5-54)
Cross-sectional area of
the phase conductors
(S) [mm2]
The minimum cross-
sectional area of the
protective grounding
conductor [mm2]
S ≤ 16 S
16 < S ≤ 35 16
35 < S S/2
The values of the table are valid only if the protective
earthing conductor is made of the same metal as the
phase conductors. Otherwise the cross-sectional area
of the protective earthing conductor must be
determined in a manner that produces a conductance
equivalent to that which results from the application of
this table.
The cross-sectional area of each protective grounding
conductor that is not a part of the mains cable or the
cable enclosure, must be a minimum of 2.5 mm2 if
there is mechanical protection, and 4 mm2 if there is
not mechanical protection. If you have cord-
connected equipment, make sure that the protective
grounding conductor in the cord is the last conductor
to be interrupted, if the strain-relief mechanism
breaks.
Make sure to comply with the local regulations on the
minimum size of the protective grounding conductor.
RSI input terminals
WARNING
Electric shock
Death or serious personal injury
Make sure that AC and DC power
source are never supplied to the RSI
simultaneously, unless it is installed
with PowerAdapt. An interlocked
change over switch is recommended.
Operation
DANGER
Electric shock
Death or serious personal injury
Do not touch the motor cable terminals
U, V, W, the brake resistor terminals, or
the DC terminals when the drive is
connected to mains. These terminals
are live when the drive is connected to
mains, also when the motor does not
operate.
WARNING
Death or serious personal injury
Check all electrical connections before
setting up the system.
WARNING
Hot surface
Death or serious personal injury
The heat sink becomes hot during run-
ning. Do not touch it.
In case of altitudes over 1000 m (3280 ft),
reduce the output current by 10 % for ev-
ery 1500 m (4921 ft).
Adjust control parameters according to the
steps indicated in this manual before the
first start.
Servicing the product
DANGER
Electric shock
Death or serious personal injury
Before servicing the product, make
sure that the power supply is switched
off and it cannot be switched on unin-
tentionally.
WARNING
Death or serious personal injury
Maintenance and inspection must be
performed by a qualified electrician.
5
English (GB)

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