ENGLISH
13
CONTENTS
1. APPLICATIONS .................................................................................................................................................................................................. 13
2.
PUMPED FLUIDS ............................................................................................................................................................................................... 13
3.
TECHNICAL DATA
KVC – KVCX
...................................................................................................................................................................... 13
3.1 Electrical data .............................................................................................................................................................................................. 13
3.2 Operating conditions .................................................................................................................................................................................. 13
4. MANAGEMENT ................................................................................................................................................................................................... 14
4.1 Storage ......................................................................................................................................................................................................... 14
4.2 Handling KVC-KVCX .................................................................................................................................................................................... 14
5. WARNINGS ......................................................................................................................................................................................................... 14
5.1 Checking motor shaft rotation ................................................................................................................................................................... 14
5.2 New systems ................................................................................................................................................................................................ 14
6. PROTECTIONS ................................................................................................................................................................................................... 14
6.1 Moving parts ................................................................................................................................................................................................ 14
6.2 Noise level .................................................................................................................................................................................................... 14
6.3 Hot and cold parts ....................................................................................................................................................................................... 14
7. INSTALLATION .................................................................................................................................................................................................. 14
7.1 Pump installation ......................................................................................................................................................................................... 14
7.2 Minimum inlet pressure ( Z1 ) (negative suction head pump) ................................................................................................................. 15
7.3 Minimum suction pressure (positive suction head pump ....................................................................................................................... 15
7.4 Minimum nominal capacity ......................................................................................................................................................................... 15
7.5 Electrical connections ................................................................................................................................................................................ 15
7.6 Starting ......................................................................................................................................................................................................... 15
7.7 Stopping ....................................................................................................................................................................................................... 16
7.8 Precautions .................................................................................................................................................................................................. 16
8. MAINTENANCE .................................................................................................................................................................................................. 16
8.1 Modifications and spare parts ................................................................................................................................................................... 16
9. TROUBLESHOOTING ........................................................................................................................................................................................ 16
The machine has been designed and built for pumping water, free from explosive substances and solid particles or fibres, with a density of 1000
kg/m³ and a kinematic viscosity of 1 mm²/s, and chemically non-aggressive liquids.
Small quantities of sand, up to 50 ppm, are accepted.
3. TECHNICAL DATA
KVC – KVCX
3.1 Electrical data
3.2 Operating conditions
1.
APPLICATIONS
Multistage centrifugal pumps indicated for booster sets for water systems of small, medium and large utilieties. They may be used in various
fields of applications such as:
−
for fire-fighting and washing systems,
−
for supplying drinking water and feeding autoclaves,
−
for feeding boilers and circulating hot water,
−
for conditioning and chilling systems,
for circulating and industrial processing plants
.
2.
PUMPED FLUIDS
Supply voltage:
1x 220-240V – 50Hz
3x 230-400V – 50Hz
1x 115V – 60Hz
1x 220-230V – 60Hz
3x 220-230/380-400V – 60Hz
Delivery:
50 ÷ 200 l/min
Absorbed power:
see electric data plate
Head up:
pag. 91
Degree of protection: IP55
Liquid temperature:
0 ÷ 35°C domestic use
(EN 60335-2-41)
Insulation class:
F
Liquid temperature:
0 ÷ 40°C for other uses
Environment temperature:
0 ÷ 40°C
Storage temperature:
-10 ÷ 40°C
Maximum working pressure:
12 bar (1200 kPa)
Relative humidity in air:
Max. 95%
Motor construction:
Cei 2-3 / Cei 61-69 (EN 60335-2-41)
Weight:
see plate on package
Limit of operation with closed mouth: 60 min. max