Nortec Links 2 NHTC, Installation And Operation Manual

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Installation | 17
NORTEC Links 2 Start-up Checklist
Wiring
Humidifier-to-Humidifier Connection:
Each individual humidifier linked to lead unit.
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Connection must be daisy-chained from the lead unit to the end unit, with shield wire
connected only on the lead unit.
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Check that each humidifier has a unique modbus address.
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BMS Network Connection:
Lead unit wired to BMS system (Twisted Pair or Ethernet).
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Network activity verified.
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Shields should be connected at BMS end only.
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Controls Wired:
Directly to humidifiers or through BMS network.
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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).
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After power-up, verify network communication.
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Map desired network variables to BMS.
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Verify variable operation after mapping is complete.
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Perform regular humidifier start-up check.
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Firewall
Network port 5222 should be open to TCP traffic for NORTEC OnLine operation (when
used).
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