Nortec Industries NHTC Series installation manual Net +

Page 40

External wiring ‘by others’

-18 to 24 AWG stranded

-Twisted pair, shielded

To BMS

To Units

Network

2 to 8

Nortec LINKS 2

Terminal Strip

(Unit 1)

A B

Net +

Net -

Shield

External

Internal

J5

J3

NHTC

Processor

Board

J4

 

 

 

J1

 

 

 

 

 

 

J2

 

 

 

 

 

 

 

 

DC Power

Supply

24 VAC HOT

AC GND DC GND

9 VDC OUT

Note:

Use Router WAN port when employing an internet connection for OnLine.

Use A and B terminals for LonWorks feedback.

1

 

 

 

 

RJ-12

 

 

 

RJ-45

 

 

 

 

Nortec OnLine

 

 

Nortec LINKS 2

Module

 

 

 

 

 

 

Module

 

 

 

 

 

RJ-45

 

 

 

EIA-232

 

 

 

 

Serial Port

 

 

 

 

 

 

 

 

LonWorks

 

 

 

 

Service Pin

9 VDC Input

1

2

3

4

+9V on center pin

 

 

 

 

 

 

LAN Ports

 

 

4-Port Router

WAN Port

WID NHTC LINKS 2 LonWorks Option

Supplemental Wiring Diagram

Diagram No. 2531433 Rev. B Aug 21, 2007

Figure 2. Wiring Diagram

10-50

Page 3 2008-02-18

Image 40
Contents Nhtc Nortec Links 2 Options Manual No. H-502Proprietary Notice Liability Notice 2008-02-18Table of Contents List of Figures This page Intentionally Left Blank Introduction 10-00Overview Protocol OptionsInstallation 10-10Networking Wiring Recommended Wire Types and LengthsNetwork Integration Gateway ConfigurationBaud Rates Variable Definition Unit must be configured for Networked demand Variable Definitions10-10 Humidifier Variable Addresses Unit #1 Snvt Snvt #Humidifier Variable Addresses Unit #2 Humidifier Variable Addresses Unit #3 Humidifier Variable Addresses Unit #4 Humidifier Variable Addresses Unit #5 Humidifier Variable Addresses Unit #6 Humidifier Variable Addresses Unit #7 Humidifier Variable Addresses Unit #8 Nhtc 10-10 This page Intentionally Left Blank START-UP 10-20Nortec Links 2 START-UP Checklist START-UP ProcedureTroubleshooting 10-30Troubleshooting Indicator LightsOnLine Diagnostic LED Locations OnLine Diagnostic LED Description LED Name Color FunctionLinks 2 Module Diagnostic LEDs Troubleshooting Communication Problems ProblemSpare Parts 10-40Replacement Parts BACnet or N2 Module Ethernet Switch Technical 10-50Net + To Units 2 toNet + Shield-+ Net Net This page Intentionally Left Blank Warranty Authorized Agent