Carrier TB24C Installation and Operation's Guide v2
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac) Installation and Operation Guide
CARRIER CORPORATION 2020 Catalog No. 11-808-722-01 4/7/2020
Verify that you have the most current version of this document from www.hvacpartners.com or www.accounts.ivusystems.com or your local Carrier office.
Important changes are listed in Document revision history at the end of this document.
CARRIER CORPORATION 2020. All rights reserved throughout the world. i-Vu is a registered trademark of Carrier Corporation. All other trademarks are the property of their respective owners.
Contents Overview ....................................................................................................................................................................... 1 Specifications............................................................................................................................................................... 2 TBPL-24-H Dimensions ............................................................................................................................................... 4 Technician Settings Index ........................................................................................................................................... 5 Operating Instructions ................................................................................................................................................. 7
Quick Guide ........................................................................................................................................................... 7 Turning the thermostat ON and OFF .................................................................................................................. 8 Selecting temperature scale ............................................................................................................................... 8 Adjusting the Setpoint temperature .................................................................................................................. 8 Selecting system mode ....................................................................................................................................... 9 Selecting fan speed (for 2 and 3 fan speeds configuration) ...................................................................... 10 Turning Auto fan ON or OFF (fan on demand) ............................................................................................... 10 Locking the thermostat buttons ...................................................................................................................... 11 Economy mode .................................................................................................................................................. 11 Freeze Protection ............................................................................................................................................... 12 Economizer ......................................................................................................................................................... 12
Weekly program ........................................................................................................................................................ 14 MAC Address and BACnet Device Instance Number .............................................................................................. 19 Installation ................................................................................................................................................................. 21
General ................................................................................................................................................................ 21 Wiring terminals ................................................................................................................................................ 22 DIP switch and jumper configurations ........................................................................................................... 23 AC configurations............................................................................................................................................... 24 FC configurations for 2-pipe systems ............................................................................................................. 24 FC configurations for 4-pipe systems / Floor heating.................................................................................. 25 Wiring and DIP switch/jumper configurations 1 to 4 AC systems ......................................................... 26 Wiring and DIP switch/jumper configurations 5 to 7 AC systems ......................................................... 27 Wiring and DIP switch/jumper configurations 8 to 9 AC systems ......................................................... 28 Wiring and DIP switch/jumper configurations 10 to 13 FC systems - 2-pipe ...................................... 29 Wiring and DIP switch/jumper configurations 14 to 17 FC systems - 4-pipe ...................................... 30 Wiring and DIP switch configurations 18 to 21 FC systems - 4-pipe ..................................................... 31 Wiring and DIP switch/jumper configuration 22 FC systems - 4-pipe ................................................... 32
Technician Settings ................................................................................................................................................... 33 Technician Settings P01 to P03 ...................................................................................................................... 33 Technician Settings P04 to P07 ...................................................................................................................... 34 Technician Settings P08 to P10 ...................................................................................................................... 35 Technician Settings P11 to P15 ...................................................................................................................... 36 Technician Settings P16 to P25 ...................................................................................................................... 37 Technician Settings P26 to P30 ...................................................................................................................... 38 Technician Settings P31 to P34 ...................................................................................................................... 39 Technician Settings P35 to P42 ...................................................................................................................... 40 Technician Settings P43 to P44 ...................................................................................................................... 41 Technician Settings P45 to P46 ...................................................................................................................... 42 Technician Settings P47 to P48 ...................................................................................................................... 43 Technician Settings P49 to P51 ...................................................................................................................... 44 Technician Settings P52 to P57 ...................................................................................................................... 45 Technician Settings P60 to P64 ...................................................................................................................... 46 Technician Settings P65 to P70 ...................................................................................................................... 47 Technician Settings P71 to P75 ...................................................................................................................... 48 Technician Settings P76 to P79 ...................................................................................................................... 49
Contents
Technician Settings P83 to P88 ...................................................................................................................... 50 Technician Settings P89 to P99 ...................................................................................................................... 51 Technician Settings P101 to P109 ................................................................................................................. 52 Technician Settings P114 to P119 ................................................................................................................. 53 Technician Settings P122 to P187 ................................................................................................................. 54
Alarms and indications ............................................................................................................................................. 55 Document revision history ........................................................................................................................................ 56
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 1
The Carrier Corporation ComfortVu BACnet Thermostat Model TB-24 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 the Carrier Corporation BACnet router in a i-Vu system. The routers control programs provide trending and alarming of the BACnet Thermostats data.
The TB-24 thermostat has a white plastic enclosure with an LCD display and buttons for user control. It has on-board temperature 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 thermostat requires 24 Vac power.
Overview
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 2
Sensing element:
Temperature
Range
41 F to 95 F (5 C to 35 C)
Accuracy
1.0 F (0.5 C)
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 (default baud rate is 38.4 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 @ 25C
A, B - Communication +/- (RS485)
IN1, 0 - Normally open or Normally closed dry contract, or
0-10 Vdc analog input, or
50 kOhm thermistor @ 25C
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).
Weight 4.8 oz (0.14 kg)
Specifications
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 3
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.
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TBPL-24-H Dimensions
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P01 Offset for temperature readings calibration
P02 Set point limit for cooling
P03 Set point 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 Occupancy sensor logic (PIR)
P16 Enable/Disable Occupancy sensor
P17 PIR (occupancy sensor) delay time
P18 Door switch or key tag configuration
P19 PIR (Occupancy sensor) polarity
P25 Economy set point for cooling
P26 Economy set point for heating
P27 On-delay time on-delay between heating stages
P28 Off-delay time between heating stages
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 set point
P37 Freeze protection cut-out set point
P40 View filter counter (hours) Read only
P41 Reset filter time
P42 Adjust filter alarm delay counter (hours)
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
Technician Settings Index
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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 Deice in cool cut-in temperature
P86 Deice in cool cut-out temperature
P87 Deice in heat time
P88 Deice in heat break time
P89 Deice in heat cut-in temperature
P90 Deice in heat cut-out temperature
P91 Compressor delay
P98 Display set point only (hide room temperature)
P99 One or Two set points
P101 Screen dimming delay
P107 Weekly program configuration
P108 Weekly program - events per day
P109 Weekly program event configuration
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 time
P123 Heat Proportional output threshold time
P160 Minimum compressor ON time
P161 Minimum compressor OFF time
P170 Economizer low limit temperature
P198 Not in use
P200 Restore defaults
Press the [On/Off] button or wait 60 seconds to return to normal display.
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Quick Guide
Operating Instructions
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Turning the thermostat ON and OFF
Press the [On/Off] button to turn the thermostat ON or OFF.
Selecting temperature scale
e [C/F] button to switch between temperature scales.
Adjusting the Setpoint temperature
Note: The setpoint must be different than 10, 11C/50, 52F.
In One setpoint configuration:
1 Press the [+] or [-]buttons once to view the setpoint temperature.
2 Press again to adjust the setpoint.
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In Two setpoints configuration:
1 Press the [+] or [-] buttons once - and the setpoint temperature for cooling will appear on display.
2 Use the [+] or [-] buttons 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 [-] buttons to adjust the setpoint for heating.
Note: The setpoint for cooling must be higher than the setpoint for heating.
Selecting system mode
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 flash.
Auto mode is not available in 2-Pipe system configuration.
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Selecting fan speed (for 2 and 3 fan speeds configuration)
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.
Auto Speed in AC configurations: the differential parameter (speed change between stages) is determined by constant 0.7C (1.4F)
Auto Speed in FC configurations: the differential parameter is determined by object AV#59 DifferentialOnOffFanSpeed
Turning Auto fan ON or OFF (fan on demand)
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.
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Locking the thermostat buttons
Press and hold the [Mode] button 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 P04-P07.
Lock indications
Economy mode
Activate Economy mode by triggering a window contact - remote on/off switch, window contact - remote economy switch, door switch, key-tag, External motion sensor (PIR - passive infrared sensor) or through communication - binary value UnoccupiedByNetwork.
Economy by Window contact Remote On/Off switch - Turning unit off
Economy by Window contact Remote economy switch - Using economy set points Refer to technician parameters P25 and P26 for economy set points
Economy by External motion sensor (PIR) or through Communication (binary value UnoccupiedByNetwork)
Refer to technician parameter P15 Occupancy sensor logic (PIR)
Economy triggered by Door switch
Refer to technician parameter P18 Door switch or key tag configuration
Economy by Key-tag
Refer to technician parameter P18 Door switch or key tag configuration
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Freeze Protection
The Freeze protection feature will not allow the room temperature to drop below predefined cut-in temperature. Depending on which configuration the system is operating under (W/WO Heat pump), this feature will force the system to operate in heat mode and activate the fan.
This feature will take effect when the thermostat is either ON or OFF. When the room temperature rises above the predefined cut-out temperature, the thermostat will return to its previous state.
When freeze protection is activated, the display alternates between AL and room temperature.
Economizer
Economizer is used to reduce the energy consumed by the cooling systems, by using low external air temperatures to assist in the chilling process. When outdoor temperatures are lower relative to indoor (room) temperatures, the system utilizes the cool outdoor air as a free cooling source.
The outdoor temperature (Teconomizer) triggering the activation of the economizer, can be measured by the temperature sensor connected to T1,0 terminals (technician parameter P08="05") or by setting a temperature value manually through communication - AV#129 "TEconomizerEffective".
When getting the temperature through communication, terminals T1,0 can be used for any other functionality like External sensor/Soft start in heat sensor/De-icing in cool/Door switch/Key tag.
Whenever there is demand for cooling and the outdoor temperature conditions allow the operation of the economizer, it will operate together with the regular cooling system and will not replace it.
Economizer will start when, and run as long as, both of the following conditions are satisfied:
1 Teconomizer temperature < Room temperature - (Cool differential band / 2)
2 Room Temperature > Setpoint temperature
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Economizer will stop when the following condition is satisfied:
Room Temperature < Setpoint temperature - (Cool differential band / 2)
Indication for the Economizer operation:
When Economizer is active, the Cool symbol will appear (or flash when active) on display and the Fan symbol will flash.
Economizer Active
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General Prior to programming, make sure that Technician Settings P107, P108, and P109 are configured correctly.
Program types The thermostat can be configured to run four different types of weekly programs (set by Technician Setting P107):
7-day program with same parameters for all days.
7-day program with different parameters for each day of the week.
One schedule for the weekdays (Monday to Friday), one schedule for Saturday and another one for Sunday.
One schedule for the weekdays (Monday to Friday) and another one for Saturday and Sunday.
Daily events Each daily program can use 2 or 4 schedule events per day (set by Technician Setting P108).
There are two options for settings the schedule events (set by Technician Setting P109):
EU Type - Start time and Stop time.
US Type - Start time, setpoint temperatures, system mode and fan speed.
IMPORTANT
Parameter P107 must not be equal to 0 in order to enable weekly program capabilities.
Changing P107 to 0 will disable all program capabilities and reset programmed information.
Enabling/Temporarily Disabling/Overriding the program Activate the program
When the program is activated, a clock icon appears on the display.
If a clock icon does not appear, ensure that the set-point temperature is not 10/11C or 50/52F, press
and hold the button to activate the program.
Weekly program
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Temporarily disable the program - without losing programmed information for example, when out of the office or leaving for vacation:
Make sure that the set-point temperature is not 10/11C or 50/52F.
Press and hold the button to temporarily disable the program.
Press and hold the button again to reactivate to the program.
Override the program - the occupant can temporarily change the set point temperature to be different than the set point temperature specified by the program. Changes remain in effect until the next program event begins.
Programming procedure The detailed programming procedure is described in the next sections. Make sure to follow the right
programming procedure, suitable for the program type and features selected by Technician Settings.
Press the [C/F-Prog] button to enter and proceed through the steps of the real time clock and programming procedure.
Use the [+] or [-] buttons to select or change value of a flashing icon.
It is recommended to select programming values prior to the actual programming.
Exit the programming procedure At any time during the programming procedure, press the [On/Off] button to exit and return to normal display. Any changed values will be saved.
Adjusting the time and day of the week 1. Press and hold the [C/F-Prog] button. The word Clock will appear on display, and the HOURS will flash.
Hours
2. Use the [+] or [-] buttons to adjust the hours.
Minutes
3. Press the [C/F-Prog] button again. The MINUTES will flash.
4. Use the [+] or [-] buttons to adjust the hours.
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Days
5. Press the [C/F-Prog] button again. The DAYS will flash.
6. Use the [+] or [-] buttons to select the day.
7. If Technician Setting P107 is not set to 00 (program is enabled), press the [C/FProg] button to enter programming procedure. Be sure to follow the right programming procedure, suitable for the program type and features selected by Technician Settings.
Section C EU Type
Section D US Type
Otherwise, press the [C/F-Prog] button to return to normal display.
Adjusting EU type daily programs Start time
1. Press the [C/FProg] button. The programmed weekday(s), Prog 1 indicating the first program event of the day and the word Start will appear on display.
The HOURS will flash.
Note: If this is the first time a program is being set, the symbols -- will flash.
2. Use the [+] and [-] buttons to adjust the start time hours of the first event.
3. Press the [C/FProg] button again. The MINUTES will flash.
4. Use the [+] and [-] buttons to adjust the start time minutes of the first event.
Stop time
5. Press the [C/F Prog] button again. T the word Stop will appear on display, and the HOURS will flash.
6. Use the [+] and [-] buttons to adjust the stop time hours of the first event
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7. Press the [C/FProg] button again. The MINUTES will flash
8. Use the [+] and [-] buttons to adjust the stop time minutes of the first event
Follow the steps above for the other schedule events of the same daily period (P2 for two events per day, or P2, P3, and P4 for four events per day).
Follow the steps above for all daily periods.
Adjusting US type daily programs Start time
1. Press the [C/FProg] button. The programmed weekday(s), Prog 1 indicating the first program event of the day and the word Start will appear on display.
The HOURS will flash.
Note: If this is the first time a program is being set, the symbols -- will flash.
2. Use the [+] and [-] buttons to adjust the start time hours of the first event.
3. Press the [C/FProg] button again. The MINUTES will flash.
4. Use the [+] and [-] buttons to adjust the start time minutes of the first event.
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System mode and fan speed
5. Press the [C/FProg] button again. The system MODES will flash.
6. Use the [+] and [-] buttons to select the system mode of the first event
7. Press the [C/FProg] button again. The FAN SPEEDS will flash.
8. Use the [+] and [-] buttons to select the fan speed of the first event.
Setpoint
1. Press the [C/F Prog] button again. The setpoint will flash.
Note: If the thermostat is configured to have two setpoints, first adjusts the setpoint for cooling and then the setpoint for heating.
2. Use the [+] and [-] buttons to adjust the setpoint of the first event.
Follow the steps above for the other schedule events of the same daily period (P2 for two events per day, or P2, P3 and P4 for four events per day).
Follow the steps above for all daily periods.
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MAC Address To set the communication MAC Address:
1 Adjust the setpoint temperature to 11C or 52F.
2 Press and hold the [C/F] button for 10 seconds to enter MAC Address configuration mode.
3 Use the [+] or [-] buttons to define the MAC Address (range 1...127).
4 When finished, press the [On/Off] button and readjust the setpoint.
5 Switch power supply off and on again for the MAC address changes to take effect.
Caution: Do not use the same MAC address for two devices on the same communication bus!
BACnet Device Instance Number
By default, the BACnet Device Instance Number is generated automatically by the thermostat (Vendor ID + MAC address). For example, Carrier Corporation vendor ID is 16, and if the MAC address is 075, the BACnet Device Instance Number is 16075.
Note: If you change the MAC address, you must cycle the thermostats power to reset the BACnet Device Instance Number.
You can override the automatically-generated BACnet Device Instance Number using the i-Vu application, an Analog Network Output microblock in a control program, or some other BACnet utility. Write the new BACnet Device Instance Number to the present_value property of Analog Value 42 (BACnetDeviceInstanceNumber).
Examples:
In the i-Vu application
1 Use the BACnet Discovery feature to discover the BACnet Thermostat and its BACnet objects.
2 In the navigation tree, select the Analog Value called BacnetDeviceInstanceNumber.
MAC Address and BACnet Device Instance Number
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3 Change the Present Value field (shown below) to the desired BACnet Device Instance Number.
4 Click Accept.
In an Analog Network Output microblock
To change the BACnet Device Instance Number from 16075 to 16113, the microblocks address would be:
bacnet://16075/AV:42/present_value, or
bacnet://16075/BACnetDeviceInstanceNumber
Subsequent reads/writes of this value will need to be done with the new device instance:
bacnet://16113/AV:42/present_value, or
bacnet://16113/BACnetDeviceInstanceNumber
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Mount the BACnet Thermostat on an interior wall in the room to be controlled. Locate it where the occupant can easily read the LCD display and use the controls. If the built-in temperature sensor is being used to measure room temperature, place the thermostat where the temperature is representative of the general room conditions. Avoid cold or warm air drafts, radiant heat, and direct sunlight.
WARNING: Risk of electric shock and property damage. Disconnect power supply before making electrical connections. The installation is to be performed by a qualified electrician.
WARNING: The integrated circuits in the controller are sensitive to static currents. Take suitable precautions.
General
Installation procedure
A. Separate the front panel from the back panel by pressing the tab located in the top of the unit and pulling the back panel off of the two bottom tabs.
B. Use two 2 X screws (b3) to attach the adapter plate (b1) to a 4 X 2 electrical box.
Use three 3 X screws (b4) to attach the back panel (b2) to the adapter plate (b1).
Cover the adaptors bottom screw hole using the screw cap (b5).
C. Make electrical connections as shown in the picture below and the wiring diagram (page 22). Set DIP switch positions as explained in this manual.
D. Install the cove to the back panel; first the two bottom tabs and then the top tongue. Push until tight against the wall.
Installation
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Wiring terminals
a For outputs 11-16, see Wiring and DIP switch/jumper settings (page 26).
b For T1,0 inputs: Dry contact, 10 Vdc input, or 50 kOhm thermistor See Technician Setting P8.
c MS/TP Communication (RS485): BACnet
d For IN1,0 functionality please refer to parameter P9 in the technician settings section. T2 change over sensor / Soft start in heat sensor / Window contact Remote On/Off switch / Window contact Remote economy switch / External PIR
e Power supply: 24 Vac CAUTION Do not connect line voltage to a thermostat that does not show the following symbol:
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DIP switch and jumper configurations
SW4.1 Without valves control in FC config. OFF - Enable valves control
ON - Disable valves control
JP2, JP3 Outputs 15,16 Analog or Digital
JP2 Output 16 Position 1- Analog output Position 3- Digital output
SW4.2 Not used Always ON
SW4.3 Not used Always OFF
SW4.4 - End of line resistor (120) OFF = Not end of line ON = End of line
JP3 Output 15 Position 1- Analog output Position 3- Digital output
SW1.1 through SW1.6, and SW3.1 through SW3.8
See Wiring and DIP switch/jumper settings (page 26).
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AC configurations
Find the configuration you want in the tables below, then find that configuration number (1 through 9) on the Wiring and DIP switch/jumper settings.
AC Configurations Outputs Configuration 1 2 3 4 5 6 7 8 9
Heat elements (max.) 3 2 1 2 1 2 1
Compressors (max.) 2 2 2 1 1 1 1 1 2
Heat pump
Fan VFS
Fan speeds 1 1 2 or 3 2 or 3 2 or 3 1 1
Economizer
Yes Option
FC configurations for 2-pipe systems
Find the configuration you want in the tables below, then find that configuration number (10 through 13) on Wiring and DIP switch/jumper settings.
FC Configurations for 2-Pipe systems
Outputs Configuration 10 11 12 13
Cl/Ht valve / Cl/Ht valve PID PID PID
Heat element (2nd stage)
Fan VFS
Fan speeds 1 2 3 1 2 3
Economizer
Yes Option
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FC configurations for 4-pipe systems / Floor heating
Find the configuration you want in the tables below, then find that configuration number (14 through 22) on the Wiring and DIP switch/jumper settings.
FC Configurations for 4-Pipe systems Outputs Configuration 14 15 16 17 18 19 20 21 22
Cool valve / Cool valve PID PID PID PID PID
Heat valve / Heat valve PID PID PID PID
Heat element (2nd stage)
Fan VFS
Fan speeds 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
Economizer
Floor heating
Yes Option
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 26
Wiring and DIP switch/jumper configurations 1 to 4 AC systems
Outputs Config. 1:
HC32
1 Speed fan
Config. 2: HP42
1 Speed fan
Config. 3: HP22
2/3 Speeds fan
Config. 4: HP21
2/3 Speeds fan
11 Heat element 3 (3rd stage heat) Heat element 2
(4th stage heat) Fan high Fan high
12
Heat element 2 (2nd stage heat) Heat element 1
(3rd stage heat) Fan medium
(or Economizer(5))
Fan medium
(or Economizer(5))
13 Fan (1 speed) Fan (1 speed) Fan low Fan low
14 Compressor 2 Compressor 2 Compressor 2 Heat element(2)
15 Compressor 1(3) Compressor 1(3) Compressor 1(3) Compressor(3)
16 Heat element 1(2)
(1st stage heat) Heat pump(2) Heat pump(2) Heat pump(2)
SW3
SW1
Jumpers
JP2, JP3 analog outputs
(1) SW3.1, SW3.2 Fan speeds: 2 speeds (Low and High):
3 speeds (Low, Med., and High): SW3.1 = OFF, SW3.2 = ON SW3.1 = OFF, SW3.2 = OFF
(2) SW3.4 HP (Heat pump): HC (not heat pump):
ON = Heat pump active in cool, OFF = Heat pump active in heat ON = Electrical heater, OFF = Oil/Gas heater (no fan)
(3) SW3.5 Compressor delay: ON = Disable, OFF = Enable
(4) SW1.3 Dehumidification: ON = Use dehumidifier, OFF = Use reheat for dehumidification
(5) SW1.6 Terminal 12 operation: ON = Economizer OFF = Fan Medium (3 speeds) / Terminal not in use (2 speeds) Important: Economizer will not work in 3 fan speeds configuration.
See drawing for DIP switch and jumper locations (page 23).
Control Fan on/off, Heat elements, Heat pump, Compressors, Economizer: 24 Vac, 0.5A max
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 27
Wiring and DIP switch/jumper configurations 5 to 7 AC systems
Outputs
Config. 5: HC21
2/3 Speeds fan(1)
Config. 6: HP11
Fan VFS
Config. 7: HC11
Fan VFS
11 Fan high X X
12 Fan medium
(or Economizer(5))
Economizer(5)
(option SW1.6 ON)
Economizer(5)
(option SW1.6 ON)
13 Fan low X X
14 Heat element 2
(2nd stage heat) Heat pump(2) Heat element(2)
15 Compressor(3) Compressor(3) Compressor(3)
16 Heat element 1(2)
(1st stage heat) Fan VFS Fan VFS
SW3
SW1
Jumpers
JP2, JP3 analog
outputsW 2
(1) SW3.1, SW3.2 Fan speeds: 2 speeds (Low and High): 3 speeds (Low, Med., and High):
SW3.1 = OFF, SW3.2 = ON SW3.1 = OFF, SW3.2 = OFF
(2) SW3.4 HP (Heat pump): HC (not heat pump):
ON = Heat pump active in cool, OFF = Heat pump active in heat ON = Electrical heater, OFF = Oil/Gas heater (no fan)
(3) SW3.5 Compressor delay: ON = Disable, OFF = Enable
(4) SW1.3 Dehumidification: ON = Use dehumidifier, OFF = Use reheat for dehumidification
(5) SW1.6 Terminal 12 operation: ON = Economizer OFF = Fan Medium (3 speeds) / Terminal not in use (2 speeds) Important: Economizer will not work in 3 fan speeds configuration.
See drawing for DIP switch and jumper locations (page 23).
Fan VFS: 0-10 Vdc, 0.5 mA Not isolated Control Fan on/off, Heat elements, Heat pump, Compressors, Economizer: 24 Vac, 0.5A max
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installation and Operation Guide All rights reserved 28
Wiring and DIP switch/jumper configurations 8 to 9 AC systems
Outputs
Config. 8: HC22
1 Speed fan, Economizer,
Config. 9: HP32
1 Speed fan, Economizer
11
Heat element 2 (2nd stage heat) Heat element
(3rd stage heat)
12
Economizer(5)
(option SW1.6 ON)
Economizer(5)
(option SW1.6 ON)
13 Fan (1 speed) Fan (1 speed)
14 Compressor 2 Compressor 2
15 Compressor 1(3) Compressor 1(3)
16
Heat element 1(2) (1st stage heat) Heat pump(2)
SW3
SW1
Jumpers
JP2, JP3 analog
outputsW 2
(1) SW3.1, SW3.2 Fan speeds: 2 speeds (Low and High): 3 speeds (Low, Med., and High):
SW3.1 = OFF, SW3.2 = ON SW3.1 = OFF, SW3.2 = OFF
(2) SW3.4 HP (Heat pump): HC (not heat pump):
ON = Heat pump active in cool, OFF = Heat pump active in heat ON = Electrical heater, OFF = Oil/Gas heater (no fan)
(3) SW3.5 Compressor delay: ON = Disable, OFF = Enable
(4) SW1.3 Dehumidification: ON = Use dehumidifier, OFF = Use reheat for dehumidification
(5) SW1.6 Terminal 12 operation: ON = Economizer OFF = Fan Medium (3 speeds) / Terminal not in use (2 speeds) Important: Economizer will not work in 3 fan speeds configuration.
See drawing for DIP switch and jumper locations (page 23).
Control Fan on/off, Heat elements, Heat pump, Compressors, Economizer: 24 Vac, 0.5A max
ComfortVu BACnet Thermostat Model Standard TB-24 (24 Vac)Carrier Proprietary and Confidential CARRIER CORPORATION 2020 Installa