Installation; Hydraulic Installation; Electrical Connection To The Motor - Espa ELV Manual De Instrucciones

3) INSTALLATION.

3.1) Hydraulic Installation.

3.1.1) Installation layout.
1 - Pump with Speedrive
2 - Pumps with ELV
3 - Non-return valve.
4 - Pressure transducer. The 4-20 mA, 10 bar type,
5 - Accumulator. Its sole function is to compensate minor water losses in the installation, preventing continuous pump start-ups
and stops. The accumulator's volume must be at least 10% of the nominal flow of the pump(s) installed, calculated in litres per
minute. (For ex.: Multi35 5, QMAX=100 [l/min]x0.1=10
rated pressure.
3.1.2) Hydraulic connections.
See the pump manual.
For facilities in negative suction, it is required that the pipes are primed completely.

3.2) Electrical connection to the motor.

3.2.1) ELV with single-phase motor (figure 1):
The motor must be single-phase for 230V.
The provided cables must be connected to the motor (1).
Verify in the motor name plate, that the electrical consumption is not superior to which it can tolerate the ELV.
Risk of electrocution
DANGER.
ELV.
Risk of electrocution
DANGER.
Figure 1
3.2.2) ELV with three-phase motor (figure 2):
The motor must be connected for 230V or 400V according to the available input line.
The provided cable must be connected to the motor (1).
Verify in the motor name plate, that the electrical consumption is not superior to which it can tolerate the ELV.
It is not required others non-return valves in the delivery pipe.
. Always connect the supplied grounding cable (2) between the motor and
. Never open the ELV cover before disconnecting the power supply.
1 - Pump with Controldrive
EMC according EN 61000-6-2.
≥
accumulator 10l) The preload pressure must be 0,5 bars below to the
Conn.port 3 terminals
Black
White
Red
- 12 -
Conn.port 4 terminals
Black
White
Red