Honeywell CENTRA LINE MERLIN N Series Manual

MERLIN NX
IP AND MS/TP VAV CONTROLLER
General ............................................................................. 2
Trademark Information .................................................. 2
Product Description ....................................................... 2
Network Security .............................................................. 3
General Safety Instructions ............................................ 3
Specifications ................................................................... 4
Electrical ....................................................................... 4
Hardware ...................................................................... 4
Communication ............................................................. 4
Airflow Sensor ............................................................... 4
Integrator Actuator ........................................................ 4
Operational Environment .............................................. 4
Sylk™ Devices Supported ............................................ 4
UIO (Configurable as analog output or universal input) 4
Solid State Relay .......................................................... 5
Standards and Compliances ......................................... 5
Wireless Connectivity .................................................... 5
Interface ............................................................................ 5
IP Variant ...................................................................... 5
MS/TP Variant ............................................................... 6
Internal Wiring .................................................................. 6
Controller Terminals ...................................................... 7
Mounting ........................................................................... 8
Before Mounting Actuator onto the Damper Shaft ........ 8
Mounting Actuator onto Damper Shaft .......................... 9
Differential Pressure Sensor ......................................... 10
Airflow Sensor Replacement ......................................... 11
Wiring ................................................................................ 12
Power supply .................................................................... 14
General Information ...................................................... 14
Power Wiring ................................................................. 14
Communication ................................................................ 17
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INSTALLATION
INSTRUCTIONS
BACnet MS/TP VARIANT ................................................. 17
Antenna ........................................................................ 19
Sylk Bus™ ........................................................................ 20
Modbus ............................................................................. 21
Wiring Topology ............................................................ 21
Modbus Master Specifications ...................................... 21
BACnet IP .......................................................................... 23
Connecting to a IP network ........................................... 23
Static IP Configuration .................................................. 23
Network Topologies ...................................................... 23
Commissioning ................................................................ 24
Automatic MAC Addressing .......................................... 24
Service Button .............................................................. 25
Operator interface LEDs ............................................... 26
Regulatory Information .................................................... 27
FCC Regulation ............................................................ 27
Canadian Regulatory Statement ................................... 27
Approvals and Certifications ......................................... 28
Appendix ........................................................................... 29
Sensor Input Accuracy .................................................. 29
Recognition of Sensor Failure of Sensor Inputs ........... 29
Sensor Characteristics .................................................... 29
PT1000 ......................................................................... 30
PT3000 ......................................................................... 33
NTC10K TYPE II ........................................................... 33
NTC10K TYPE III .......................................................... 34
PT100 ........................................................................... 34
JOHNSON A99 ............................................................. 35
NTC20K ........................................................................ 35
10K3A1 ......................................................................... 37
Nickel Class B DIN 43760 sensors ............................... 38
NI1000TK5000 .............................................................. 39
Related Technical Literature ........................................... 40
EN1Z-1076GE51 R1021