EasyManua.ls Logo

Honeywell TB3026B User Manual

Honeywell TB3026B
8 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
INSTALLATION INSTRUCTIONS
31-00093-01
BACnet® Fixed Function Thermostat
FOR FAN COIL/HEAT PUMP/CONVENTIONAL SYSTEMS
Dimensions
The Fixed Function Thermostat consists of a mounting
plate and a circuit board with a plastic cover.
Fig. 1. Fixed Function Thermostat dimensions
APPLICATION
Honeywell’s BACnet® Fixed Function Thermostat, BACnet
FF, is a configurable device with 19 pre-loaded
applications. The thermostat is a communicating,
intelligent sensor-controller combination with built-in
temperature and humidity sensors used to control
applications such as roof top units, fan-coil units and heat
pumps. The thermostat communicates over an MS/TP
LAN so it operates as a fully-functioning BACnet
controller and easily integrates with the building
automation system. The two available models are
TB3026B and TB3026B-W, which includes a wireless
sensor option.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a
hazardous condition.
2. Check ratings given in instructions and on the
product to ensure the product is suitable for the
application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of properly.
Contact your local waste management authority
for instructions regarding recycling and the proper
disposal of an old control. If you have questions,
contact Honeywell Customer Care Center.
CAUTION
Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short equipment
circuitry.
Disconnect power supply before installation.
Question and Answer IconNeed help?

Do you have a question about the Honeywell TB3026B and is the answer not in the manual?

Honeywell TB3026B Specifications

General IconGeneral
BrandHoneywell
ModelTB3026B
CategoryThermostat
LanguageEnglish

Summary

Product Application Overview

BACnet FF Product Overview

Honeywell's BACnet FF is a configurable, intelligent sensor-controller for various HVAC applications.

Thermostat Installation Guide

General Installation Precautions

Read instructions, check ratings, ensure trained installer, and verify operation.

Mercury Control Disposal Notice

Proper disposal of controls containing mercury is required. Contact local authorities.

Electrical Shock Hazard Warning

Disconnect power before installation to avoid shock or equipment damage.

Thermostat Location Considerations

Optimal Thermostat Placement

Install thermostat 5 ft. above floor in area with good air circulation.

Minimizing Electrical Interference

Keep wiring short, avoid line voltage systems, use shielded cable, ground shield at controlled equipment.

Mounting the Wallplate

Wallplate Mounting Dimensions

Provides dimensions for the wallplate mounting.

Steps for Mounting Wallplate

Steps to position, level, mark, drill, and secure the wallplate to the wall or wiring box.

Wiring the Wallplate Connections

Wiring Compliance and Wire Gauge

Comply with local codes, use 18-gauge wire, follow manufacturer instructions.

Wiring Power Safety Warning

Do not wire with power connected to prevent shock and damage.

Wallplate Wiring Installation Steps

Connect wires, tighten screws, push excess wire, seal opening, check for shorts.

MS/TP LAN Communication Wiring

BACnet MS/TP LAN Overview

The BACnet FF communicates on a twisted-pair MS/TP LAN using EIA-485.

MS/TP LAN Technical Facts

Details on transmission speed, cabling, segment length, devices, and repeaters for MS/TP.

Thermostat Terminal Identification

Table listing terminals, labels, and their connections.

MS/TP LAN Terminating Cabling

Resistors are required at each end of the segment bus for signal integrity.

Warning: Do Not Apply Line Voltage

System Engineering Guide Reference

MS/TP LAN Shield Grounding

MS/TP Shield Grounding Guidelines

Guidelines for single-point ground, avoiding double grounds, using wire nuts, and protecting exposed points.

MS/TP Terminating Resistors

Details on matched resistors for MS/TP segment ends and their effect on wave forms.

Recommended Terminating Resistor Values

Typically, precision resistors in the 80-130 Ohms range yield acceptable results.

Caution: Mismatching Terminating Resistors

Mounting Thermostat onto Wallplate

Steps to Mount Thermostat

Align terminal blocks and push thermostat onto the wallplate.

How to Remove Thermostat

Instructions for removing the thermostat from the wallplate.

Thermostat Configuration Settings

Adjusting Thermostat Date and Time

Procedure to set the date and time on the thermostat's touchscreen.

Setting BACnet MAC Address and Device Instance

Default MAC address is 0; valid range 0-127. Default device instance is 0009999.

Setting MAC Address and Device Instance via Display

Accessing Installer Setup (ISU) Mode

Steps to access installer setup mode via the thermostat screen.

Setting ISU Codes for MAC and Device Instance

Instructions for setting ISU codes 800-804 for MAC address and device instance.

Example MAC Address and Device Instance Setup

Example of how to set MAC address 15 and device instance 1876.

Installer Setup (ISU) Code Details

ISU Code Functionality

Accesses functions specific to BACnet FF installation and configuration.

ISU Access PIN Requirement

A PIN can be required via AV-133 to access ISU mode.

How to Access ISU Screens

Steps to access ISU screens, including PIN entry if required.

Navigating ISU Parameters

Using arrows to select parameters and values in ISU screens.

ISU Parameter Code Reference Table

ISU Parameters for Date and Time

ISU codes 120-160 for setting Year, Month, and Day.

ISU Parameters for Schedule and Display

ISU codes 160, 280, 320, 330, 540, 640, 670 for schedule, backlight, units, DST, programs, clock format, keypad.

ISU Parameters for Sensor Offsets

ISU codes 700-703 for setting room and outside temperature/humidity offsets.

ISU Parameters for BACnet Configuration

ISU codes 800-804 for MS/TP MAC and BACnet Device Instance.

Pairing Wireless Sensors to BACnet FF

Wireless Sensor Pairing Process

Steps to issue a pairing command and activate the sensor for wireless communication.

Wireless Sensor Setup Mode Features

Accessing diagnostic screens for configuration and checkout of associated sensors.

Pairing Door/Window and PIR Sensors

Guidelines for pairing door/window sensors and PIR sensors to specific numbers.

Activating Sensor for Pairing

Activating the sensor to be paired after initiating the pairing process on the thermostat.

Erasing Wireless Sensor Pairings

Field Service Mode Operations

Using Field Service Codes

Enables querying and commanding key operating variables using data codes.

How to Access Field Service Mode

Key sequence to enter field service mode, with optional PIN requirement.

Steps for Setting Field Service Codes

Procedure to set field service codes using up/down arrows on the touchscreen.

Technical Data and Specifications

Power Supply Specifications

Details on 24VAC power supply, half-wave rectifier, and load ratings.

Input/Output Specifications

Specifications for universal inputs, internal sensors, relay outputs, and analog outputs.

Wireless Receiver Specifications

Details for the wireless receiver (TB3026B-W only), including frequency and range.

Environmental Operating Conditions

Operating environment temperature and humidity ranges.

Product Ratings and Certifications

UL listing, EMC Directive, and FCC certifications.

Additional Product Information Sources

Links and document numbers for more product information.

Related product manuals