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C. Connect power, digital input, and contactor coil wiring
note: RMC units use WAGO cage-
clamp spring terminals for secure wire
connections. Review the steps at right
for using this type of terminal.
note: Strip length for wires in WAGO
terminals is 10 mm (3/8").
1.
Connect 24 Vdc wiring.
24 Vdc supply must be connected at two
locations on the Network Processor
Module. Use jumpers as shown or run
two separate sets of wires from the
power supply output to the terminals
shown.
2.
Connect line voltage supply.
In this example, the supply is common
for the power supply and contactor coils.
Separate supplies may be used. Be sure
to size the wiring to the Contactor Coil
Voltage Supply Module large enough to
carry the current of all contactor coils
energized simultaneously.
6
Using WAGO Terminals
1
Insert flat blade
screwdriver into
square hole.
Connection terminals on RMC module
accept 28–12 AWG (0.08–2.5 mm2) wire.
24 Vdc
– – +
DC
OK
OUT DC 24V 2A
22,5-28,5
Power supply
V DC
DC
(typical)
OK
IN AC 100-240V
L(+) NC NC N (–)
The current through the Supply Module
must not exceed 10 A steady-state. If the
current draw of all contactor coils energized
simultaneously exceeds 10 A, an additional
Supply Module must be added to the
RMC assembly. Contact Pentair Thermal
Management for assistance.
Connect line voltage and ground to the
1
2
3
4
input of the power supply as shown.
– – +
OUT DC 24V 2A
22,5-28,5
Power supply
V DC
DC
(typical)
OK
IN AC 100-240V
L(+) NC NC N (–)
1
15 A max.
L
N
Note: Previous wiring omitted for clarity.
2
Rotate and push
the screwdriver
frimly to open
the spring.
ON
TxD
RxD
24V 0V
CRC
IO/RN
IO/ER
2
4
6
8
Address x 1
1
3
5
7
9
x 10
1
1
2
ON
DC
TxD
OK
RxD
CRC
IO/RN
IO/ER
2
4
6
8
Address x 1
1
3
5
7
9
x 10
Jumper
3
4
Insert stripped
Remove
wire into round
screwdriver.
hole.
V IN
15 16
D1 D2
L
L
L
L
D1 D2
L
N
N
N
N
N
750-400 750-612
750-512
750-512 750-600
Connect the line voltage input that will
1
2
3
4
be used to energize the contactor coils
to the Supply Module (marked 750-612)
as shown.
Connect ground to the Supply Module as
2
3
4
shown.
Install a ground jumper between the
3
4
Supply Module and Network Processor
as shown.
V IN
15 16
D1 D2
L
L
L
L
24V 0V
D1 D2
L
N
N
N
N
N
750-400 750-612
750-512
750-512 750-600
4
3
Contactor coil voltage supply
2
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