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Page 4
2008-02-15
C. 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 set the network address access the User Parameter level in the humidifier
software menu. Scroll down to Modbus Settings and press enter.
(3) In order to change the current Modbus address, press the up and down arrows on
the keypad at the same time. When prompted, enter the code 0335.
(4) Once the password is set select the Modbus address heading and press enter.
Use the up and down arrows to change the address setting.
(5) Determine the desired humidifier ordering on the network. To change the network
instance follow step 3 and enter the parameter value of 2 for unit 2, 3 for unit 3 and
so on.
(6) 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.
(7) 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 module should
connect to the first pin (bottom-most pin) of the TB3 connector. The Net – terminal
on the module should be connected to the second pin of the TB3 connector. Refer
to the unit’s wiring diagram for more information.