- Whenever the use of the device does not conform
to the instructions and information described in this
manual.
- In case of changes or variations made without
authorization of the manufacturer.
- In case of technical interventions executed by a
non-authorized personnel.
- In case of failing to carry out adequate maintenance.
1.5 Technical assistance
Any further information about the documentation,
technical assistance and spare parts, shall be reque-
sted from: Calpeda S.p.A. (paragraph 1.2).
2 TECHNICAL DESCRIPTION
Single-impeller submersible pumps in chrome-nickel
stainless steel, with vertical delivery port.
GXR: with open impeller.
GXV: with free-flow (vortex) impeller.
Motor cooled by the pumped water passing between
the motor jacket and the external jacket.
Double shaft seal with oil chamber.
2.1 Intended use
Standard construction
- GXR with open impeller.
For clean or slightly dirty water, with solids in
suspension up to 10 mm grain size (12 mm for
GXR 12)
.
- GXV with free-flow (vortex) impeller
For clean or slightly dirty water, with solids in
suspension up to 25 mm grain size.
- Maximum liquid temperature: 50 °C (40 °C for single-
phase pumps).
- Maximum liquid density: 1100 kg/m
3
.
- Maximum immersion depth: 5 m (with cable of sui-
table length).
For outdoor use the power supply cable must have
a length of not less than 10 m.
2.2 Improper use
The device is designed and built only for the purpose
described in paragraph 2.1.
Do not use in garden ponds, tanks or
swimming pools when people are in the
water.
The Pump cannot be used in explosive or
flammable environments.
Improper use of the device is forbidden, as is
use under conditions other than those
indicated in these instructions.
Improper use of the product reduces the safety and
the efficiency of the device, Calpeda shall not be
responsible for failure or accident due to improper
use.
2.3 Marking
The following picture is a copy of the name-plate that
is on the external case of the pump.
3 TECHNICAL FEATURES
3.1 Technical data
Dimensions and weight (paragraph 12.1).
Nominal speed 2900/3450 rpm
Protection IP X8
Supply voltage / Frequency:
- up to 240V 1~ 50/60 Hz
- up to 480V 3~ 50/60 Hz
Check that the mains frequency and voltage corre-
spond to the electrical characteristics shown on the
indicator plate.
Sound pressure at minimum immersion depth: < 70
dB (A).
Noise disappears or decreases when the pump is
submersed.
Maximum starts/hour: 30 at regular intervals (20 for
GXR 12)
..
Maximum permissible working pressure up to 20 m
(2 bar).
4 SAFETY
4.1 General provisions
Before using the product it is necessary to
know all the safety indications.
Carefully read all operating instructions and
the indications defined for the different steps:
from transportation to disposal.
The specialized technicians must carefully
comply with all applicable standards and laws,
including local regulations of the country
where the pump is sold.
The device has been built in conformity with
the current safety laws. The improper use
could damage people, animals and objects.
The manufacturer declines any liability in the
event of damage due to improper use or use
under conditions other than those indicated on
the name-plate and in these instructions.
Follow the routine maintenance schedules
and the promptly replace damaged parts, this
will allows the device to work in the best
conditions.
Use only original spare parts provided from
Calpeda S.p.A or from an authorized
distributor.
Don't remove or change the labels placed on
the device.
Do not start the device in case of defects or
damaged parts.
Maintenance operations, requiring full or
partial disassembly of the device, must be
done only after disconnection from the supply.
Pollution of the liquid could occur due to
leakage of lubricants.
4.2 Safety devices
The device has an external case that prevents any
contact with internal parts.
4.3 Residual risks
The appliance, designed for use, when used in-line
with the design and safety rules, doesn't have resi-
dual risks.
4.4 Information and Safety signals
For this kind of product there will not be any signals
on the product.
4.5 Individual protection devices
During installation, starting and maintenance it is
suggested to the authorized operators to consider the
use of individual protection devices suitable for
described activities.
During ordinary and extraordinary maintenance inter-
i
Made in Italy
MONTORSO
XXXXXXX
Q min/max
X/X
m
3
/h
XXXXXXX
H max/min
X/X
m
IP
XX
n
XXXX
/min
220∆/380Y V3~50Hz
cosø
X
X/X
A
XXXXXXXX
S1 l.cl.
X
X
kg
X
kW (
X
Hp) S.F.
VICENZA
1
2
3
4
5
6
7
8
9 10
16
15
14
13
12
11
1 Pump type
2 Delivery
3 Head
4 Rated power
5 Tension nominale
6 Nom. motor current
7 Notes
8 Fréquence
9 Operation Duty
10 Insulation class
11 Weight
12 Power factor
13 Rotation speed rpm
14 Protection
15 Serial number
16 Certifications
GB
GXR, GXV Rev. 10 - Operating Instructions
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