Guidelines For The Hydraulic System - Xylem LOWARA e-SV Series Additional Installation, Operation And Maintenance Instructions

4.4.1 Guidelines for the hydraulic system

Refer to the representative hydraulic diagrams; see the figures below.
Figure 1: Positive suction head installation
Figure 2: Suction lift installation
Position
number
1
2
3
4
5
6
7
1. Do not install the unit at the lowest point of the system, to avoid the accumulation of
2. Install an automatic relief valve at the highest point of the system to eliminate air bubbles.
3. Remove any welding residues, deposits and impurities in the pipes that could damage the
4. Support the pipes independently to prevent them from weighing on the unit.
e-SV series – Additional Installation, Operation and Maintenance Instructions
11
8
4
12
11
13
4
8
10
Description
Pump unit
Anti-vibration joint
Overpressure safety on-off valve
On-off valve
Pressure gauge
Minimum pressure switch
Check valve
sediments.
unit; install a filter if necessary.
5
6
5
4
4
1
2 2
5
5
4
4
1
2 2
Position
number
8
9
10
11
12
13
en – Translation of the Original Instructions
3
Q
9
7 4
3
Q
9
7 4
Description
Electrode probes or float
Automatic relief valve
Foot check valve with filter
Electric panel
Pressurised circuit
Filling on-off valve
23