Wiring connections comparison - Metasys - LIT-12012005 - Field Device - N2 Controller - 13.0

Modernization Guide for N2 Controllers - Metasys

Brand
Metasys
Product name
N2 Controller
Document type
User Guide
Document number
LIT-12012005
Version
13.0
Revision date
2023-10-16
Language
English
Table 1. Wiring connection similarities, differences and implications
Attribute

AHU

FAC3613

CGM09090

Implication

I/O Wiring

Connection Location

See Figure 1 .

See Figure 1 .

Refer to M4-CG Series General Purpose Application Controller Installation Guide (Part No. 24-10143-01698) for information about the CGM controller wiring.

You can reuse the existing I/O wiring if the existing wiring is long enough to reach the controller's I/O wiring connection points. If not, you need to lengthen the wiring.

Connection Type

Fixed screw terminal connectors

Fixed screw terminal connectors

Removable screw terminal connectors

Remove spade lug connectors from I/O wiring.

N2 Wiring

Connection Location

See Figure 1 .

See Figure 1 .

Refer to M4-CG Series General Purpose Application Controller Installation Guide (Part No. 24-10143-01698) for information about the CGM controller wiring.

You can reuse the existing N2 wiring if the existing wiring is long enough to reach the controller's N2 connection point. If not, you need to lengthen the wiring.

Connection Type

Removable, 3-wire screw terminal connector

Removable, 4-wire screw terminal connector

Removable, 4-wire screw terminal connector

Replace the AHU's N2 wiring connector with the controller's.

Power Supply Wiring

Connection Location

See Figure 1 .

See Figure 1 .

Refer to M4-CG Series General Purpose Application Controller Installation Guide (Part No. 24-10143-01698) for information about the CGM controller wiring.

You can reuse the existing power supply wiring if the existing wiring is long enough to reach the controller's power supply connection point. If not, you need to lengthen the wiring.

Connection Type

Removable 3-wire Molex connector

Removable, 3-wire screw terminal connector

Removable, 2-wire screw terminal connector

Remove existing connectors from power supply wiring and use controller's screw connector.

Figure 1. Wiring Layout Comparison of AHU versus FAC

Note: Refer to M4-CG Series General Purpose Application Controller Installation Guide (Part No. 24-10143-01698) for information about the CGM09090 controller wiring and input and output locations.