Nkv; Ip55 F; 20°C ÷ 60°C; Max. 95 - DAB NKV Série Instructions Pour L'installation Et La Maintenance
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5.
6.
Warnings
7.
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Table A
Airborne noise pumps
Table B
Star-delta switch-over times
Table C
Three-phase motor connection
1. GENERAL
Read this documentation
carefully before installation.
Installation, electrical connection and commissioning must
be carried out by skilled personnel in compliance with the
general and local safety regulations in force in the country
of installation of the product. Failure to comply with these
instructions not only causes risk to personal safety and
damage to the equipment, but invalidates every right to
assistance under guarantee.
ENGLISH
Page
18
years old or by persons with reduced physical,
18
sensory or mental capacities, or who lack experience
18
or knowledge, unless they are under supervision or
18
after they have received instructions concerning
18
the safe use of the appliance and the understanding
18
of the dangers involved. Children must not play with
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the appliance.
19
2. APPLICATIONS
19
Multistage centrifugal pumps indicated for booster
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sets for water systems of small, medium and large
19
utilieties. They may be used in various fields of
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applications such as:
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for fire-fighting and washing systems,
20
for
20
supplying
20
autoclaves,
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for feeding boilers and circulating hot water,
20
for conditioning and chilling systems,
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for circulating and industrial processing plants.
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3. PUMPED FLUIDS
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The machine has been designed and built for
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pumping water, free from explosive substances and
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solid particles or fibres, with a density of 1000 kg/m³
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and a kinematic viscosity of 1 mm²/s, and chemically
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non-aggressive liquids.
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Small quantities of sand, up to 50 ppm, are
24
accepted.
24
4. TECHNICAL DATA
132
138
4.1 Electrical data
139
- Supply voltage:
(+/- 10%)
139
140
141
- Absorbed power:
- Degree of protection:
- Insulation class:
4.2 Operating conditions
- Delivery:
- Head up:
- Liquid temperature:
- Max. environment
temperature:
- Storage temperature:
- Maximum working pressure:
- Maximum working pressure
NKV 32-45:
- Relative humidity in air:
- Motor construction:
- Weight:
18
drinking
water
and
1x 230 50Hz
3x 230-400V - 50Hz
3x 400V ∆ - 50Hz
3x 220-240/380-415V - 50Hz
3x 380-415V ∆ - 50Hz
3x 380-480V ∆ - 60Hz
see electric data plate
IP55
F
da 20 a 1967 l/min.
pag. 142
50°C
-20°C ÷ 60°C
25 bar (2500 kPa)
32 bar (3200 kPa)
Max. 95%
Cei 2-3 / Cei 61-69
( EN 60335-2-41 )
see plate on package
feeding
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