Nortec LINKS 2 GSTC - Manual (Page 30)

26 | Installation
NORTEC Links 2 Start-up Checklist
Wiring
Humidifier-to-Humidifier Connection:
Each individual humidifier linked to lead unit. 
Connection must be daisy-chained from the lead unit to the end unit, with shield wire
connected only on the lead unit.

Check that each humidifier has a unique modbus address. 
BMS Network Connection:
Lead unit wired to BMS system (Twisted Pair or Ethernet). 
Network activity verified. 
Shields should be connected at BMS end only. 
Controls Wired:
Directly to humidifiers or through BMS network. 
Start-up Procedure
Ensure power is being supplied to the humidifier, NORTEC Links Module and NORTEC
OnLine module. For BACnet/IP adjust network IP settings. (If this information is provided,
factory will perform necessary IP assignment).

After power-up, verify network communication. 
Map desired network variables to BMS. 
Verify variable operation after mapping is complete. 
Perform regular humidifier start-up check. 
Firewall
Network port 5222 should be open to TCP traffic for NORTEC OnLine operation (when
used).
