Macurco DVP-120 operating instructions Main power Connection, Remote Sensor Connection

2.3Main power Connection

The main power cable should be routed into the bottom left conduit entry.

Macurco recommends a minimum wire size of AWG18. The modular connector will accept wire from 12 to 24 AWG.

The safety ground wire should be secured to the ground stud at the bottom left of the cabinet with the lock washer and nut supplied. Macurco recommends the use of a ring terminal for the ground connection.

Refer to Table 2-1 for DVP-120 power connections.

The line and neutral wires should be stripped 1/4 in. (6.5 mm), insert the wire into the wire cavity of the modular connector and tighten the screw clamp. Ensure that the wire cannot be easily pulled from the connector. Plug the modular connector into J4 on the PCB and ensure that it latches into the header properly.

Signal	Terminal Connection
Line (120/220/240/250 VAC)	J4-3
Neutral	J4-1
Ground	Ground Stud

Table 2-1 Main Power Connections

2.4Remote Sensor Connection

Each remote sensor is connected by a four-wire connection – two wires for DC power and two wires for the 4 – 20 mA loop connection. The sensors are connected to the control panel PCB with modular connectors, two sensors per connector. See Figure 2-1 for a view of a typical sensor connector. Refer to Table 2-2 for wire size recommendations.

n+1 +24 Vdc	n+1 +20ma ILOOP	n+1 ILOOP RET	n+1 +24V RET	n +24 Vdc	n +20ma ILOOP	n ILOOP RET	n +24V RET
CH	CH	CH	CH	CH	CH	CH	CH

1 8

Insert this face of connector

into mating connector on

control circuit board.

Figure 2-1 Sensor Interface Connector

Wire gauge	Maximum Run Length (ft.)
	(feet)	(meters)
18	500	152
16	800	244
14	1250	381

Table 2-2 Recommended Wire Gauge

Revision 0.07 10