Carrier ComfortVu TB-24-HM Betriebsanleitung

A member of the United Technologies Corporation family · Stock symbol UTX · Catalog No. 11-808-723-01 · 5/22/2019

ComfortVuTM

BACnet Thermostat Standard

Model TB-24-HM (24 Vac model)

Installation and Operation Guide

Table of Contents

- 2 -

Overview ………………………………………………………………………………………………………………………………..…. 4

Specifications ………………………………………………………………………………………………………………………..… 5-6

TB-24-HM Dimensions ……………………………………...………………….……………………………………………………..… 7

Operating instructions ……………………………………………………………………………………………………………..…… 8

Quick guide …………………………………………………………………………………………………………………..…….. 8

Turning the thermostat ON and OFF……………………………………………………………………………………....…….. 9

Selecting temperature scale………………………………………………………………………………………………..….…. 9

Adjusting the Setpoint temperature (for 1 setpoint and 2 setpoints configurations) ………………………………….……. 9

Selecting system mode…………………………………………………………………………………………………….…..… 10

Selecting Fan speeds (for 2 and 3 fan speeds configuration) ……………………………………………….……….…...… 10

Turning Auto fan ON or OFF (fan on demand) ………………………………………………………….….………….…...… 10

Locking the thermostat buttons ………………………………………………………………………………………….……… 10

Economy mode ………………………………………………………………………………………….…………….……...….. 11

Freeze Protection …………………………………………………………………………………………………….…...……... 11

Economizer ………………………………………………………………….……………………………………………………. 12

Weekly program ………………………………………………………………………………………….………………...……..… 13-17

MAC Address and BACnet Device Instance Number …………………………………………………………...….….……...… 18

Installation ………………………………………………………………………………………….………………………………....… 19

General ……………………………………………………………………………………...….…….….……………………..… 19

PIR detection area ……………………………………………………………………………………...….………..……...…… 19

Wiring terminals …………………………………………………………………………………….……………………....….… 20

DIP switch and jumper configurations………………………………………………...……………………....…….….……… 21

AC configurations ………………………………………………………………………………...……...….…….….…………. 22

FC configurations for 2-pipe systems …………………………………………………………………………………...……. 23

FC configurations for 4-pipe systems / Floor heating……………………………………………………...….…….….……. 24

Wiring and DIP switch configurations ………………………………………………………………………….………….. 25-39

P01 – Offset for temperature readings calibration

P02 – Setpoint limit for cooling

P03 – Setpoint limit for heating

P04 – Lock the [Fan] button

P05 – Lock the [Mode] button

P06 – Lock the [On/Off] button

P07 – Lock the [+] and [-] buttons (Set buttons)

P08 – Functionality of T1 terminals

P09 – Functionality of IN1,0 terminals

P10 – Window contact (terminals IN1,0) polarity

P11 – Window contact delay time

P12 – Door switch (terminals T1,0) polarity

P13 – Door switch delay time

P14 – Enable/Disable Auto change over mode

P15 – Motion sensor logic (PIR)

P16 – Enable/Disable Motion sensor

P17 – PIR (Motion sensor) delay time

P18 – Door switch or key tag configuration

Technician Settings ……………………………………………………………………………………...….……………...…….. 40-46

P19 – PIR (Motion sensor) polarity

P25 – Economy setpoint for cooling

P26 – Economy setpoint for heating

P27 – On-delay time on-delay between

heating stages

P28 – Off-delay time between heating stages

P29 – LCD Backlight ON or OFF

P30 – Beeper ON or OFF

P31 – Fan ON delay in cooling

P32 – Fan OFF delay in cooling

P33 – Fan ON delay in heating

P34 – Fan OFF delay in heating

P35 – Enable/Disable Freeze protection

P36 – Freeze protection cut-in setpoint

P37 – Freeze protection cut-out setpoint

P40 – View filter counter (hours) – Read only

P41 – Reset filter time

P42 – Adjust filter alarm delay counter (hours)

Technician Settings ……………………………………………………………………………………...….……………...…….… 47-62

- 3 -

P43 – Soft start in heat – cut-in temperature

P44 – Soft start in heat – cut-out temperature

P45 – Cool differential band

P46 – Cool differential band offset

P47 – Heat differential band

P48 – Heat differential band offset

P49 – Shift between Cool and Heat in Auto mode

P50 – Shift between Cooling stages

P51 – Shift between Heating stages

P52 – Cool valve proportional band

P53 – Cool proportional low limit

P54 – Cool proportional high limit

P55 – Heat valve proportional band

P56 – Heat proportional low limit

P57 – Heat proportional high limit

P60 – Proportional ON percent

P61 – Proportional OFF percent

P63 – Time on-delay between cooling stages

P64 – Time off-delay between cooling stages

P65 – Fan VFS proportional band in cooling

P66 – Fan VFS proportional band in heating

P67 – Fan VFS Low speed percent in cooling

P68 – Fan VFS Medium speed percent in cooling

P69 – Fan VFS High speed percent in cooling

P70 – Fan VFS Low speed percent in heating

P71 – Fan VFS Medium speed percent in heating

P72 – Fan VFS High speed percent in heating

P74 – VFS Medium speed differential

P75 – VFS High speed differential

P76 – Fan VFS Low limit in cooling

P77 – Fan VFS High limit in cooling

P78 – Fan VFS Low limit in heating

P79 – Fan VFS High limit in heating

P83 – View T2 temperature sensor readings

P84 – View T3 temperature sensor readings

P85 – De-ice in cool – cut-in temperature

P86 – De-ice in cool – cut-out temperature

P87 – De-ice in heat time

P88 – De-ice in heat break time

P89 – De-ice in heat – cut-in temperature

P90 – De-ice in heat – cut-out temperature

P91 – Compressor delay

P98 – Display setpoint only (hide room temperature)

P99 – One or Two setpoints

P101 – Screen dimming delay

P107 – Weekly program configuration

P108 – Weekly program - events per day

P109 – Weekly program event configuration

P111 – PIR Sensitivity

P114 – Cool PID Kp

P115 – Heat PID Kp

P116 – Cool PID Ki

P117 – Heat PID Ki

P118 – Cool PID Kd

P119 – Heat PID Kd

P122 – Cool Proportional output threshold in cooling

P123 – Heat Proportional output threshold in cooling

P160 – Minimum compressor ON time

P161 – Minimum compressor OFF time

P170 – Economizer low limit temperature

P187 – Display or hide humidity reading

P188 – Room temperature limit for disabling

dehumidification in unoccupied mode

P189 – Dehumidification cycle in unoccupied mode

P190 – Dehumidification break time in unocc. mode

P192 – Temperature setpoint for re-heat in

unoccupied mode

P193 – Display switching time (between temperature

and humidity)

P194 – Humidity differential band

P195 – Humidity sensor reading offset

P196 – Dead zone between humidification and

dehumidification

P197 – Humidity setpoint

P198 – Not in use

P200 – Restore defaults

Table of Contents

Alarms and indications ………………………………………………………………………………………………………………… 63

Document revision history ……………………………………………………………………………………..……………..…….… 64

Overview

- 4 -

The ComfortVu BACnet Thermostat Standard Model TB-24-HM can be used:

 As a stand-alone thermostat that can control equipment using built-in logic

 As part of an MS/TP network of BACnet Thermostats that can be managed from a BMS front-end system

 As part of a BACnet MS/TP network connected to an Carrier BACnet router in an i-Vu®system. The router’s control programs

provide trending and alarming of the BACnet Thermostat’s data.

The TB-24-HM thermostat has a white plastic enclosure with an LCD display and buttons for user control. It has on-board

temperature, humidity, and motion sensing, and its on-board inputs and outputs are used to control equipment and optional external

sensing devices. Inputs and outputs are configured using DIP switches and jumpers. The TB-24-HM thermostat requires 24 Vac

power.

See also:

ComfortVuTM BACnet Thermostat Points List and Technician Settings

Specifications

- 5 -

Sensing Element: Range Accuracy

Temperature 41° F to 95° F (5° C to 35° C) ±1.0° F (0.5° C)

Humidity 10% to 90 % ±3.0% typical

Motion Sensing:

Sensor Type PIR, quad, omnidirectional

Distance 16.4 feet (5m)

Detection range (HxV) 90° x 30°

Movement speed 2.62 to 3.94 ft/s (0.8 to 1.2 m/s)

Detection object: 15.75 x 9.84 in. (400 x 250 mm)

Power 24 Vac, ±10%, 50-60Hz, 4VA

NOTE Devices connected to outputs, such as a fan, will increase VA requirements.

Communication BACnet MS/TP with baud rates up to 76.8 kbps, detected and set automatically by the

BACnet Thermostat. Max 127 devices.

Inputs T1, 0 – Normally open or normally closed dry contract, or

0-10 Vdc analog input, or

50 kOhm thermistor @ 25°C

A, B - Communication +/- (RS485)

IN1, 0 - Normally open or Normally closed dry contract, or

0-10 Vdc analog input, or

50 kOhm thermistor @ 25°C

C, R - Power: 24 Vac

Outputs 11, 12, 13 – Digital outputs, 3A max.

14 – Digital outputs 0.3A max

. 15 and 16 – Depends on application.

Digital output 0.3A max., or

Analog output 0-10 Vdc, 5 mA max., not isolated

Environmental Operating Range 50° to 122°F (10° to 50°C), 10 to 90% relative humidity, non-condensing

Mounting • If using an electrical box, mount the included wallplate to a standard 4" x 2" electrical

box using the two larger mounting screws, then mount the thermostat to

the wallplate using the three smaller mounting screws.

• If not using an electrical box, flush-mount thermostat to wall (no wallplate needed).

Specifications (cont.)

- 6 -

Weight 4.8 oz (0.14 kg)

Compliance United States of America:

FCC CFR47, Chapter 1, Subchapter A, Part 15, Class B

Canada:

Industry Canada Compliant, ICES-003, Class B

Europe:

Mark, Low Voltage Directive: 2014/35/EU RoHS Compliant: 2011/65/EU

Australia and New Zealand:

C-Tick Mark, AS/NZS 61000-6-3

Title 24 compliant if connected to a BMS with custom programming for economizer fault

detection.

CA Prop 65 Warning: This product can expose you to chemicals including Styrene and 1,3

- Propane sultone, which are known to the State of California to cause cancer. For more

information, go to www.p65warnings.ca.gov.

TB-24-HM Dimensions

- 7 -

Temperature/Humidity

indications:

Mode Fan

C/F

Prog On/Off

Operating instructions

Quick guide

Setpoint adjust.

Ambient Humidity

Temperature scale

Fan speed indication:

Auto speed

High

Medium

Low

Fan on demand

Indications:

Alarm

Button locked

Program active

Program events indications:

Event per day

Adjust start time

Adjust stop time

Adjust the clock

Setpoint adjustment

- Press to select Fan speed:

Low/Medium/High/Auto

- Press and hold to activate

fan on demand

- Press to select System

Mode: Cool/Heat/Auto

- Press to turn unit On or Off

Ambient/Setpoint indication

temperature

Ambient humidity indication

Thermostat On/Off indication

System MODE indication:

Clock / Weekdays

Fan only

Cooling

Heating

Auto mode

- Press to switch between

temperature scales (ºC/ºF)

- Press and hold to enter

weekly program settings

- Press and hold to enter

Technician Settings

(setpoint must be equal to

10ºC/50ºF)

- Press and hold to enter

MAC Address settings

(setpoint must be equal to

11ºC/52ºF)

- 8 -

Clock

Stop

Start

Prog1234

Operating instructions (cont.)

Turning the thermostat ON and OFF

Press the [On/Off] button to turn the thermostat ON or OFF.

Selecting temperature scale

In One setpoint configuration:

1. Press the [+] or [-] buttons once to view the setpoint temperature.

2. Press again to adjust the setpoint.

In Two setpoints configuration:

1. Press the [+] or [-] buttons once – “ ” and the setpoint temperature for cooling will

appear on display.

2. Use the [+] or [-] button to adjust the setpoint for cooling.

3. Press the [Mode] button or wait 3 seconds – “ ” and the setpoint temperature for heating

will appear on display.

4. Use the [+] or [-] button to adjust the setpoint for heating.

Notes:

 The setpoint for cooling must be higher than the setpoint for heating.

 For humidity setpoint, see Technician Setting P197.

OFFON

Celsius Fahrenheit

Adjusting the Setpoint temperature

Press the [C/F] button to switch between temperature scales.

Setpoint

For heating

Setpoint

For cooling

- 9 -

Operating instructions (cont.)

In 1-speed configuration:

Press the [Fan] button to turn Auto fan ON or OFF.

In 2- and 3-speed configurations:

Press and hold the [Fan] button for 7 seconds to turn Auto fan ON or OFF.

When ON, the fan will run on demand for cooling or heating,

When OFF, the fan will run continuously.

Note: Auto fan cannot be selected in Fan only mode.

Turning Auto fan ON or OFF (fan on demand)

Auto fan

OFF

Auto fan

Press the [Fan] button to switch between fan speeds.

Notes:

 In Auto speed, the active fan speed icon will appear on display.

 Medium speed available in 3 speeds configuration.

Selecting Fan speeds (for 2 and 3 fan speeds configuration)

Low Medium

High Auto

Press the [Mode] button to switch between system modes.

Notes:

 During demand for cooling or heating, the active mode will flash.

 In Auto mode, the active mode icon (Cool or Heat) will appear on display.

 Auto mode is not available in 2-Pipe system configuration.

Selecting system mode

Cool Heat

Auto Fan only

Locking the thermostat buttons

Press and hold both [-] and [Fan] buttons for 7 seconds to lock or unlock the thermostat buttons.

When locked, the lock icon will appear on display with any attempt to press the buttons.

Enable or disable the option to lock different buttons using Technician Settings P4-P7. Lock

indications

- 10 -

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