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3.1.1. Stationary installation with
vertical magnetic float switch
Off
h
min
3.93.037/3
min 300 x 250
h
Installation fit a check valve against back flow in
max
the delivery pipe ball valve (swing valve for GQR).
h
Provide for the possibility of removing the pump
min
without having to drain the entire system (if
necessary, fit a gate valve and a union coupling).
With the pump in the resting position secure the
delivery pipe to a rest, suitable for its length and
mm
h
h
weight.
min
max
GXC 40B
275
480
If slime deposits are expected to form at the
GXC 40A
275
480
GXV 40B
250
455
bottom of the installation pit, a support must be
GXV 40A
250
455
provided to keep the pump raised.
3.2. Transportable installation
To avoid early deterioration of the pump when used in
stagnant water or in rivers, mount on a flat surface rai-
sed from the ground so that sand or grit is not lifted.
When a plastic delivery pipe or flexible hose is
used, a rope is required for lowering, securing and
lifting the pump.
A safety rope or chain of non-perishable material
should always be used to secure the pump.
Never use the electric power cable
to suspend the pump.
In order to avoid the risk of mechanical or
electrical injury all portable pumps should
be securely isolated from electrical power
supply prior to their relocation.
Attach the power supply cable to the delivery pipe
or to the safety rope with cable clamps. The power
cable should not be taut: allow for a certain degree
of slackness to avoid the risk of strain caused by
expansion of the pipe during operation.
8
M
1
TYPE
On
h
GQR
min
225
GQRM 10-10 GF
240
GQRM 10-12 GF
h
max
240
GQRM 10-14 GF
265
GQRM 10-16 GF
GQRM 10-18 GF
285
GQR 10-10
GQR 10-12
GQR 10-14
GQR 10-16
GQR 10-18
GQR 10-20
3.93.037/3
min 550 x 550
mm
h
h
min
max
GQS, GQV 50-9
GMC 50...
180
500
GQS, GQV 50-10
GMV 50...
180
500
GQS, GQV 50-11
GMC 50-65...
185
505
GQS, GQV 50-13
GMC 50-65...
185
505
GQS, GQV 50-15
3.93.004/1
h
max
3.3. Fixed installation with automatic
coupling feet and guide rails
GMC 50-65, GMV 50-65, GQV
mm
h
max
315
330
330
GXC 40B
355
GXC 40A
375
GXV 40B
GXV 40A
mm
h
h
min
max
205
410
220
425
220
425
245
450
265
470
265
470
mm
h
h
min
max
The automatic coupling system allows for quick
260
515
and efficient inspection operations.
275
530
300
555
The coupling foot is fastened to the bottom of the
320
575
320 575
sump together with the delivery pipe; two guiding
tubes connect it to the anchoring bracket secured
to the edge of the sump cover.
The pump is lowered along the guiding tubes until
it reaches the exact coupling position; the seal
will be tight thanks to the weight of the pump.
This operation can be repeated any number of
times and it makes checking and inspection
operations easier; the pump is simply extracted
from the sump by means of a chain (even if the
system is flooded).
4. Electrical connection
Electrical connection must be carried out
only by a qualified electrician in accordance
with local regulations.
Follow all safety standards.
The unit must be always earthed, also with a
non-metallic delivery pipe.
Make sure the frequency and mains voltage corre-
spond with the name plate data.
For use in swimming pools (not when persons are
in the pool), garden ponds and similar places, a re-
sidual current device with I∆N not exceeding 30 mA
must be installed in the supply circuit.
Install a device for disconnection from the
mains (switch) with a contact separation of at least
3 mm on all poles.
When extension cables are used, make sure the
cable wires are of adequate size to avoid voltage
drops and that the connection stays dry.
4.1. Single-phase pumps
GQRM, GQSM, GQVM, GMCM, GMVM
Supplied with incorporated capacitor and thermal
protector, with power cable type H07 RN8-F,
with plug and float switch.
Connect the plug to a socket with an earth lead.
Electrical diagram pag. 54.
h
min
min 550 x 550
TYPE
mm
GQV(M) 50-8
h
h
h
GQV(M) 50-9
min
max
min
GQV(M) 50-11
275
480
GMC 50...
180
GQV(M) 50-13
GMV 50...
GQV
275
480
180
250
455
GMC 50-65...
185
250
455
GMC 50-65...
185
On
Off
m
GQR 10-10
2
GQR 10-12
2
2
GQR 10-14
GQR 10-16
2
GQR 10-18
2
2
GQR 10-20
3.93.037/3
mm
h
h
max
min
mm
580
320
h
580
320
max
GQS, GQV 50-9
605 345
500
GQS, GQV 50-10
625 365
50-15
625
365
500
GQS, GQV 50-11
505
GQS, GQV 50-13
505
GQS, GQV 50-15
On
Off
3.93.004/1
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