Power Supply Connection - Xylem LOWARA e-SVE Traducción De Las Instrucciones Originales

en – Original Instructions
Control cables
External volt free contacts must be suitable for
switching < 10 VDC.
NOTE:
• Install the control cables separate from the
power supply cables and the fault signal
relay cable
• If the control cables are installed in parallel
with the power supply cable or the fault
signal relay, the distance between the
cables must exceed 200 mm
• Do not intersect the power supply cables;
should this be necessary, a 90°intersection
angle is permitted.
Recommended control cables
Drive control Wires number x
cables Max. copper
e-SM Section
[mm (sq.in)]
2
0.75 to 1.5
All I/O
(0.00012 to
conductors
0.0023)
4.3.3

Power supply connection

WARNING: Electrical hazard
Contact with electric components may cause
death, even after the unit has been switched
off. Before any interventions on the unit, the
network voltage and any other input voltages
must be disconnected for the minimum time
indicated in Para. 5.1.
Power supply wiring procedure
1. Open the terminal box cover (2) by removing
the screws (1).
2. Insert the power cable in the M20 cable gland
(5).
3. Connect the cable according to the wiring
diagram.
4. Connect the earth conductor (mass), making
sure that it is longer than the phase
conductors.
5. Connect the phase leads.
6. Close the cover (2) and tighten the screws (1). Fig.8
I/O wiring procedure
1. Open the terminal box cover (2) by removing
the screws (1).
2. Connect the cable according to the wiring
diagram.
3. Close the cover (2) and tighten the screws (1). Fig.8
16
AWG Tightening
torque
[Nm (lb.in)]
18 to 0.6
16
(5.4)
Ref.
Fig.8
Fig.6
Ref.
Fig.8
Fig.7
I/O terminals (versions 1~)
Item
Fault signal C 4 COM - error
NO 5 NO - error
Auxiliary 15V 6 Auxiliary
Voltage
Supply
Analog input P2IN/S+ 7 Input
0-10V
P2C/S- 8
External P1+ 9 Power supply
Pressure
sensor [also
Differential]
P1- 10 External
External START 11 External
Start/Stop
STOP 12 External
External LOW+ 13 Lack water
Lack of
Water
LOW- 14
Comm. Bus B1 15 RS485 port
A1 16 RS485 port
GND 17 Electronic
Comm. Bus B2 18 RS485 port
A2 19 RS485 port
GND 20 Electronic
Description Comments
status relay
status relay
15VDC, I max.
voltage 100mA
supply +15
VDC
0÷10 VDC
Actuator
mode 0-10 V
GND,
GND
electronic
0-10 V
ground (for S+)
15VDC, I max.
external 100mA
sensor +15
VDC
4÷20 mA
sensor 4-20
mA input
Default short
ON/OFF circuited.
input
Pump is
reference
enabled to
RUN
ON/OFF
input
Default short
input circuited.
Lack of water
Low water
detection:
reference
enabled
ACT, HCS
1: RS485-1N control mode:
B (-)
RS 485 port1
for external
comm.
1: RS485-1P
A (+) MSE, MSY
control mode:
RS 485 port 1
GND
for multi-pump
systems
RS 485 port2
2: RS485-2N for external
B (-) active comm.
only with
optional
module
2: RS485-2P
A (+) active
only with
optional
module
GND