Pumped Fluids - DAB KVC Serie Installationsanweisung Und Wartung

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
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
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
Supply voltage:
Absorbed power:
Degree of protection:
Insulation class:
.
1x 220-240V – 50Hz
3x 230-400V – 50Hz
1x 115V – 60Hz
1x 220-230V – 60Hz
3x 220-230/380-400V – 60Hz
see electric data plate
IP55
F
ENGLISH
3.2 Operating conditions
Delivery:
Head up:
Liquid temperature:
Liquid temperature:
Environment temperature:
Storage temperature:
Maximum working pressure:
Relative humidity in air:
Motor construction:
Weight:
Limit of operation with closed mouth:
13
50 ÷ 200 l/min
pag. 91
0 ÷ 35°C domestic use
(EN 60335-2-41)
0 ÷ 40°C for other uses
0 ÷ 40°C
-10 ÷ 40°C
12 bar (1200 kPa)
Max. 95%
Cei 2-3 / Cei 61-69 (EN 60335-2-41)
see plate on package
60 min. max