ZN551 wshp ef uh.pdf

CONTROLLER FOR THE WEBCTRL® BUILDING AUTOMATION SYSTEM

The ZN551 is a fully programmable, native BACnet Advanced Application Controller (AAC) designed for controlling a single zone in a building. The ZN551 is well suited for VAV, heat pump, unit ventilator and other packaged HVAC applications. It communicates on an EIA-485 LAN using BACnet MS/TP communications and connects seamlessly to the WebCTRL® building automation system.

Part Number Part# EQT2

KEY FEATURES AND BENEFITS

Versatile controller suitable for a variety of applications, including fan coil units, lighting, and exhaust fan control

Standard library of control programs available for most zoning applications

Supports EIKON® graphical programming software, an object oriented tool that provides complete flexibility for any custom control sequence that you need

Supports Automated Logic communicating sensors, which are available in a variety of zone sensing combinations and support setpoint adjustments and occupancy overrides

Supports Automated Logic touchscreen interfaces for managing and troubleshooting the connected equipment easily

Supports live, visual displays of control logic, helping operators troubleshoot and optimize system operations

Quick and easy test and balancing process

Hardware Features

Controls up to 11 points (5 binary outputs, 5 universal inputs, and 1 analog output)

Supports native BACnet over MS/TP communications when required

Fast, powerful, and fully distributed control allows complete independence from any other devices in the sysstem

Firmware upgrades can be performed remotely

Easy startup and commissioning using the WebCTRL system user interfaces

24 Vac Models: TBPL-24-H-A, TBPL-24-HM-A

ZN551 ZONE

CONTROLLER

ZONE CONTROLLER

Application Features

The WebCTRL building automation system gives you the ability to understand your building operations and analyze the results. Integrate environmental, energy, security and safety systems into one powerful management tool that helps you reduce energy consumption, increase occupant comfort, and achieve sustainable building operations.

System Benefits

Connects seamlessly to the WebCTRL system

Supports demand limiting and optimal start for maximum energy savings

1150 Roberts Boulevard, Kennesaw, Georgia 30144 770-429-3000 • Fax 770-429-3001 | automatedlogic.com | A Carrier Company

Part # ZN551 ZN551 Zone Controller

BACnet Conformance BTL Tested and conforms to the BACnet Advanced Application Controller (B-AAC) standard device profile, as defined in ANSI/ASHRAE Standard 135-2012 (BACnet) Annex L, Protocol Revision 9

Power 24 Vac +/- 10%, 50 - 60 Hz, 15 VA | 26 Vdc (25 V min, 30 V max)

Communication

BACnet Port For communication with the controller network using MS/TP (9,600 bps)

LStat Port For LogiStat and LogiStat Plus zone sensors. The LogiStat port uses two universal inputs.

Rnet Port Supports up to 5 wireless and/or ZS sensors - freely mix ZS zone, ZS duct, ZS immersion and ZS outdoor sensors and 1 Equipment Touch or OptiPoint™ interface Supplies 12 Vdc / 210 mA power to the Rnet at an ambient temperature of 77°F (25°C) with a 24 Vac nominal power source.

Local Access Port For system startup and troubleshooting

Flow Sensor Port Provides flow inputs for a USF or UDF flow sensor

Inputs

Universal 5 inputs configurable for thermistor or dry contact. Inputs 1 and 2 are also configurable for 0-5 Vdc. Inputs 4 and 5 are used when a LogiStat sensor is connected, but are available if an RS room sensor is connected.

Resolution 10 bit A/D

Pulse Frequency 10 pulses per second. Minimum pulse width (on or off time) required for each pulse is 50 msec.

Outputs

Analog Output 1 analog output 0-10 Vdc (5 mA max)

Digital Outputs 5 digital outputs, relay contacts rated at 1 A max 24 Vac/Vdc; configured normally open

Output Resolution 8 bit D/A

Status Indicators LED’s indicate status of communications, running, errors, power, and digital outputs

Protection Built-in surge and transient protection for power and communications in compliance with EN61000-6-1

Environmental Range 0 to 130°F (-17.8 to 54.4°C), 10–90% relative humidity, non-condensing

Physical Rugged GE C2950 Cycoloy plastic

Memory 512 kb non-volatile battery backed RAM, 1 MB flash memory, 16-bit memory bus

Battery 10-year lithium CR2032 retains the following data for a maximum of 10,000 hours during power outages: control programs, editable properties, schedules, and trends.

BT485 Connector Attach a BT485 (not included) to a controller at the beginning and end of a network segment to add bias and to terminate a network segment.

SPECIFICATIONS

©2023 Carrier. All Rights Reserved. All trademarks used herein are the property of their respective owners. 7-28-2023

Assembled in the United States

in. cm

Width: 5.06 12.85

Height: 5.69 14.45

Weight: 0.6 lbs 0.27 kg

Controller Overall Dimensions Mounting*Figure 1: Physical Dimensions

Two mounting holes center line as at left with 5-5/16” (13.5 cm) spacing (height) *For indoor use only.