Installation; Hydraulic Installation; Electrical Connection To The Motor - Espa SPEEDRIVE Instruction Manual

3) INSTALLATION.

3) INSTALLATION. 3) INSTALLATION. 3) INSTALLATION.

3.1) Hydraulic installation.

3.1) Hyd raulic installation.
3.1) Hyd 3.1) Hyd raulic installation. raulic installation.
3.1.1) Installation layout.
1. Pump with Speedrive.
2. Non-return valve.
3. Pressure transducer. The 4-20 mA, 10 bar type,
4. Accumulator.
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
the 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) Elect rical connection to the motor.
3.2) Elect 3.2) Elect rical connection to the motor. rical connection to the motor.
3.2.1) Speedrive with single- - - - phase input (Figure 1): 3.2.1) Speedrive with single 3.2.1) Speedrive with single 3.2.1) Speedrive with single
The motor must be connected to a 230 V power supply source.
The cable (1) supplied with the inverter must be connected to the motor.
If you wish to activate the 60Hz motor output, select the corresponding parameter in the menu.
Make sure that electrical consumption shown on the motor's data plate does not exceed that supplied by the
inverter.
Risk of electrocution
DANGER.
and inverter set.
DANGER. Risk of electrocution
supply during at least 5 minutes
Figure 1 Figure 1 Figure 1 Figure 1
1
Not required others non-return valves in the delivery pipe.
Its sole function is to compensate minor water losses in the installation, preventing
phase input (Figure 1): phase input (Figure 1): phase input (Figure 1):
. Always connect the supplied grounding cable (2) between the motor
. Never open the Speedrive cover before disconnecting the power
least 5 minutes. least 5 minutes least 5 minutes
2 3
EMC according EN 61000-6-2.
accumulator 10l) The preload pressure must be 1 bar below to
≥
- 4 -
4
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