Technical Description; Technical Features; Safety - Calpeda A Serie Instructions Pour L'utilisation

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 centrifugal pumps with open impeller.
The built-in backflow preventer avoids reverse siphoning
when the pump is stopped and assures automatic re-
priming at the next start.
The pump re-primes itself even if partially filled with
liquid and with completely empty suction pipe.
A: version with pump casing and lantern bracket in cast
iron.
B-A: version with pump casing and lantern bracket in
bronze
(the pumps are supplied fully painted).
2.1. Intended use
- For clean or slightly dirty water, also with solids up to
10 mm grain size (15 mm for A 65-150 and A 80-170).
- 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.
Do not use in ponds, tanks or swimming pools
or where people may enter or come into contact
with the water.
A,AS Rev17 - Operating Instructions
2.3. Marking
The following picture is a copy of the name-plate (see
Pic.1) that is on the external case of the pump.
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 IP54 (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 and voltage 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: - A 40-110: ≤ 67 dB (A).
- A 50-125: ≤ 75 dB (A).
- A 65-150: ≤ 83 dB (A).
- A 80-170: ≤ 83 dB (A).
Max. starts per hour: 40 at regular intervals.
Maximum permissible working pressure: 60 m (6 bar),
100 m (10 bar) for A 80-170.
Maximum suction pressure: PN (Pa) - Hmax (Pa).
3.2. Operating conditions
Installation in well ventilated location protected from the
weather, with a maximum ambient temperature of 40 °C.

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,
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
XXX XXX XXX XXX IP XX
IEC 60034-1 IECX/X
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