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1.3. Authorized operators
The product is intended for use by expert operators
divided into end users and specialized technicians.
(see the symbols above).
It's forbidden, for the end user, carry out
i
operations which must be done only by
specialized technicians. The manufacturer
declines any liability for damage related to the
non-compliance of this warning.
1.4. Warranty
For the product warranty refer to the general terms and
conditions of sale.
The warranty covers only the replacement and
i
the repair of the defective parts of the goods
(recognized by the manufacturer).
The Warranty will not be considered in the following
cases:
- 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
requested from: Calpeda S.p.A. (paragraph 1.2).
2. TECHNICAL DESCRIPTION
Close-coupled self-priming liquid ring pumps with star
impeller.
CA: version with pump casing and lanter bracket in
cast iron.
B-CA: version with pump casing and lanter bracket in
bronze
(the pumps are supplied fully painted).
2.1. Intended use
For clean liquids without abrasives, without suspended
solids, non-explosive, non-aggressive for the pump
materials.
If the liquid to be pumped has entrained air or gas or
the flow in the suction pipe is not stable.
Liquid temperature from - 10 °C to + 90 °C.
2.2. Improper use
The device is designed and built only for the purpose
described in paragraph 2.1.
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.
CA Rev8 100000182_00 - Operating Instructions
0 Manufacturer
0
1 Type
2 Delivery
1
3 Head
2
4 Rated power
3
5 Supply voltage
6 Frequency
21
7 Nom. motor current
8 Rotation speed rpm
9 Operation Duty
10 Insul. class
11 Certifications
12 AAAA Year of
4
manufacture
5
12 XXXX Serial number
13 Weight
8
14 Notes
15 Voltage
15
16 % Load
16
17 Power factor
17
18 Efficiency
18
19 Protection
20 Motor Efficiency
21 Pump Efficiency
22 Capacitor
3. TECHNICAL FEATURES
3.1. Technical data
Dimensions and weight (see technical catalogue).
Nominal speed 2900/3450 rpm
Protection IP 54 (IP 55 Special construction)
Supply voltage / Frequency:
- up to 240V 1~ 50/60 Hz
- up to 480V 3~ 50/60 Hz
Check that the mains frequency
correspond to the electrical characteristics shown on
the indicator plate.
The electric data marked on the label are referred to
the nominal power of the motor.
Sound pressure: ≤ 75 dB (A), ≤ 80 dB (A) CA 91.
Maximum starts/hour: 40 at regular intervals.
Maximum permissible pressure in the pump casing: 60
m (6 bar).
The max. inlet water pressure: PN (Pa) - Hmax (Pa).
3.2. Operating conditions
Installation in well ventilated location protected from the
weather, with ambient temperature of -10°C to +40°C.
Relative humidity: from 10% to 55% non-condensing.
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
i
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.
Montorso (VI) Italy IT 00142630243
Made in Italy
XXXXXXX
AAAAXXXXX
Q min/max X/X m
/h
3
H max/min X/X m
ESCC2900 MEI≥ XX η
XXXXXXXX
XX kW (XXHp)
S.F.
230 /400Y V3~50Hz (XX F) X/X A
n XXXX/min
l.cl. X
S1
V
%
cos
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XX kg
IP XX
XXX
XXX
XXX
XXX
IEC 60034-1 IECX/X
and voltage
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