Nortec LINKS 2 SETC B+ - Manual (Page 21)

17 | Links 2 Retrofit for GSTC / SETC B+, NHTC, NHRS
Step 3 – Configuring The Humidifiers
1 Since Nortec Links 2 can connect to a maximum of 8 units, it will be necessary to set the
unit address for each humidifier. The lead unit can be determined by the presence of the
Links module. The slave humidifiers can be given a unit address according to the number
the unit will have on the networked chain.
2 To access the menu settings, press the Up and Down arrows at the same time
3 Scroll up or down to find the Modbus heading
4 Set the appropriate Modbus address according to the unit ordering.
5 Place the appropriate Unit Identifier label on each humidifier. These labels should be placed
on the unit where the electrical control punch-outs are located at the top of the humidifier.
6 Connect the slave humidifiers (if applicable) to the Nortec Links Module. A twisted pair
cable should be used so that the Net (+) terminal on the Links 2 module should connect to
the Net (+) terminal on the slave unit. The Net (–) terminal on the module should be
connected to the Net (–) terminal on the slave unit. Refer to the Links 2 wiring diagram for
more information.
7 Ensure shield wiring matches the following pattern if distance between humidifiers is
significant:
Figure 23: Shield Wiring