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General| Enclosure Rating | IP20 |
|---|---|
| Communication Protocol | BACnet |
| Power Supply | 24V DC |
| Memory | Flash memory |
| Mounting | DIN rail mount |
| Humidity Range | 5 to 95% RH, non-condensing |
Describes trademarks used in the document.
Describes the MERLIN NX family of controllers and their features.
Warns about cyber-attacks and network protection for controllers.
Provides safety precautions for installation and handling.
Details electrical requirements and power consumption of the controller.
Describes the CPU, memory, Ethernet, and Real Time Clock.
Specifies storage, operation, humidity, protection, and pollution ratings.
Lists compatible wall modules and sensors for the Sylk™™ bus.
Details the range and accuracy of the DP sensor.
Details supported BACnet protocols and configurations.
Describes Modbus client capabilities and specifications.
Provides physical dimensions and weight of the controller.
Details specifications for Universal Input/Output.
Lists specifications for Solid State Relays.
Specifies wireless connectivity options like Bluetooth.
Lists certifications and standards met by the controller.
Describes hardware features specific to the IP model.
Describes hardware features specific to the MS/TP model.
Details the terminals for power supply connections.
Describes the terminals for Solid State Relays.
Lists terminals for Sylk bus interface.
Details terminals for RS 485 communication.
Describes terminals for Universal Input/Output.
Details terminals for 20 VDC output.
Lists terminals for BACnet MS/TP.
Explains function when button is pressed during startup.
Explains function when button is pressed during normal operation.
Prepares for actuator installation on the damper.
Guides on identifying damper opening direction and angle.
Lists necessary tools for actuator installation.
Details steps for mounting actuator based on damper rotation.
Specifies tubing requirements for airflow sensor connection.
Notes the need for controller power for zero calibration.
Recommends using an air filter for dusty environments.
Describes how to remove the sensor cover.
Details the process of replacing the airflow sensor.
Provides safety and general wiring advice for power supply.
Details wiring compliance, wire gauge, and transformer requirements.
Shows wiring for one controller per transformer.
Illustrates wiring for multiple controllers per transformer.
Depicts wiring for controllers and field devices.
Specifies wire gauge and terminal connection methods.
Diagram for internal wiring of the IP model.
Diagram for internal wiring of the MSTP model.
Shows connection examples for UIO terminals.
Illustrates wiring for voltage output to relay.
Details wiring for analog output.
Shows SSR wiring with a single transformer.
Illustrates SSR wiring with a separate transformer.
Diagram for 20 VDC auxiliary power wiring.
Explains the RS485 standard and cabling requirements.
Discusses recommended cable and distance for topologies.
Describes the daisy chain topology and its limitations.
Details RSTP for redundant ring connections.
Explains automatic IP address assignment via DHCP.
Describes how to configure a static IP address.
Details connecting the controller to an IP network.
Guides on installing the controller's built-in antenna.
Provides advice on placing the remote antenna for optimal signal.
Lists how wall materials affect Wi-Fi signal range.
Explains the need and value for terminating resistors.
Describes the function of RS-485 bias switches.
Shows a wiring diagram for MSTP communication.
Explains how MAC addresses are assigned automatically.
Details how to manually set the MAC address using DIP switches.
Explains the importance of unique device instance numbers.
Refers to maximum bus length specifications.
Discusses physical and AutoMAC limitations.
Lists default Modbus RTU settings.
Describes allowed and prohibited Modbus wiring topologies.
Provides guidance on Modbus cable selection and shielding.
Discusses the use and testing of RS485 repeaters.
Details physical layer, rates, and address range for Modbus masters.
Explains the controller's compliance level with the Modbus standard.
Lists compatible Sylk bus wall modules.
Shows wiring examples for Sylk bus connections.
Introduces the Honeywell Connect Mobile app for VAV balancing.
Explains the meaning of BACnet/Modbus LEDs.
Describes the status indicated by Bluetooth LEDs.
Details the meaning of controller status LEDs.
States compliance with FCC rules for radio frequency energy.
Compliance statement for Industry Canada.
Notes restrictions for WLAN function operating indoors.
Advises on RF exposure separation distance.
Stresses need for professional installation and approved antennas.
Warning regarding approved antenna types for IC certification.
Lists various product approvals and certifications.
States compliance with RoHS directives.
Disposal instructions for product and packaging.
Information on substances in articles under REACH.
Lists typical accuracies for NTC10K and NTC20K sensors.
Explains how sensor failures are detected and thresholds.
Refers to resistance/temperature characteristics on following pages.
Provides reference for the IP product datasheet.
Provides reference for the MSTP product datasheet.
Reference for mounting instructions.
Reference for the HCM app user guide.
