Carrier Connect 33TCSPL-4 Installation Manual

Wi-fi thermostat

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Carrier® Connect™ Wi-Fi Thermostat

33TCSPL-4

Installation Guide

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Summary of Contents for Carrier Connect 33TCSPL-4

Page 2 Verify that you have the most current version of this document from www.hvacpartners.com, the Carrier Partner Community website, or your local Carrier office. Important changes are listed in Document revision history at the end of this document. ©2024 Carrier. All rights reserved.
Page 3: Table Of Contents
Contents What is the Carrier® Connect™ 33TCSPL-4 Thermostat? ..................1 Specifications ................................ 1 Programmable and non-programmable installations ..................2 Inputs ..................................5 Outputs ................................... 5 Wiring the Carrier® Connect™ Wi-Fi Thermostat ..................... 7 To wire duel fuel systems and furnace / AC systems ..................7 To wire an air handler with heat pump or with AC ..................
Page 4: What Is The Carrier® Connect™ 33Tcspl-4 Thermostat
• Wi-Fi connectivity (supports 802.11 a/b/g/n standards and utilizes a Broadcom chipset) • Cloud Connectivity using the Carrier Connect mobile app (iOS and Android). • Optimized installation (“finger friendly” spring-loaded connectors that accept 16 to 24 AWG wire and NO screwdriver required for wire insertion and removal) •...
Page 5: Programmable And Non-Programmable Installations
What is the Carrier® Connect™ 33TCSPL-4 Thermostat? Environmental Operating: 32° to 104°F (0° to 40°C) temperature range Storage: -40° to 135°F (-40° to 57°C) Humidity range Operating: 10% to 95%, non-condensing, 32° to 104°F (0° to +40°C) Storage: 10% to 95%, non-condensing Connections Connectors P104 and P105.
Page 6 What is the Carrier® Connect™ 33TCSPL-4 Thermostat? Cool only (up to 3 stages of cooling) • Cooling Y1 - first stage cooling ○ Y2 - second stage cooling ○ Y3 - third stage cooling ○ Heat only with gas heat (up to 2 stages of heating) •...
Page 7 What is the Carrier® Connect™ 33TCSPL-4 Thermostat? HP with electric heat (up to 2 stages of cooling and 5 stages of heating with 3 stages auxiliary) • Cooling Y1 + O/B - first stage cooling ○ Y1 + Y2 + O/B - second stage cooling ○...
Page 8: Inputs
What is the Carrier® Connect™ 33TCSPL-4 Thermostat? Inputs Power supply Class II transformer secondary voltage supplied to the thermostat is 18.0 to 30.0 Vac, 50/60 Hz. Voltage is applied between R and C connector. Space air temperature The space air temperature measurement is supplied by an NTC "J" curve (type II) thermistor. The resistance of the thermistor is 10K ohm nominal at +25°C with an accuracy of ±0.20°C from +15.6°C to +32.2°C (approximately...
Page 9 What is the Carrier® Connect™ 33TCSPL-4 Thermostat? Terminal Output for... is energized when the thermostat has a... fan demand First Stage Heat or first stage heat or aux heat demand AUX Heat Second stage heat or second stage heat or aux heat demand...
Page 10: Wiring The Carrier® Connect™ Wi-Fi Thermostat
Wiring the Carrier® Connect™ Wi-Fi Thermostat Wiring the Carrier® Connect™ Wi-Fi Thermostat To wire duel fuel systems and furnace / AC systems Dual fuel systems Furnace / AC systems Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 12: To Wire An Air Handler With Heat Pump Or With Ac
Wiring the Carrier® Connect™ Wi-Fi Thermostat To wire an air handler with heat pump or with AC Air handler / heat pump systems Air handler / AC systems Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 13 Wiring the Carrier® Connect™ Wi-Fi Thermostat Air handler / heat pump systems Air handler / AC systems Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 14: To Wire Hotel Systems
Wiring the Carrier® Connect™ Wi-Fi Thermostat To wire hotel systems To connect a remote input (sensor or contacts) NOTE Use the specified type of wire and cable for maximum signal integrity. Power Description Stranded, twisted pair Conductor If < 100 ft (30.5 meters) 22 AWG, unshielded If >...
Page 15 Wiring the Carrier® Connect™ Wi-Fi Thermostat • • Occupancy contacts • Econ Fault Wiring for space temperature sensor averaging 4 sensors 9 sensors Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 16: To Wire For Bacnet Communication
Wiring the Carrier® Connect™ Wi-Fi Thermostat To wire for BACnet communication NOTE Use the specified type of wire and cable for maximum signal integrity. Cable 22 or 24 AWG, low-capacitance, twisted, stranded, shielded copper wire Maximum length 2000 feet (610 meters) per segment Baud rate 9600 bps, 19.2 kbps, 38.4 kpbs, or 76.8 kbps, 115.2 kbps...
Page 17: Registering And Setting Up A Mobile Device For Enhanced Access
Downloading the Connect™ App provides enhanced access to your device. The Connect™ App is available for Apple IOS® at App Store® or at Google Play® for Android devices. Search for Carrier Connect™ Thermostat. NOTE Device compatibility: Apple IOS® 7.0 or later or Android 4.2 or later After downloading Connect™...
Page 18 After logging in, a list appears of thermostats that you have registered and that have been shared with you. Click Swipe or click to navigate to the SETTINGS screen. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 19 NOTE Requires advanced security level to edit these settings. ALERTS Displays a list of alerts that have been flagged in the thermostat. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 20 NOTE Requires advanced security level to edit these settings. Displays the graph for up to 30 days of CO2 history. Presents the high and average for today as well as the last 30 days. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 21: Getting To Know The User Interface
Above the space temperature, the current state of occupied or unoccupied displays, unless you have temporarily overridden the program schedule settings. When overridden, the banner displays PAUSED and shows the time remaining in the override. From the home screen, you can: Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 22: Occupancy/Enter Pin Screen
LOCKOUT and shows the time remaining until another unlock can be attempted. Changing the setpoints You can change the setpoints from the home screen using the up and down arrows. If the mode is: Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 23 NOTE If the thermostat is setup as a non-programmable thermostat or them MAX HOLD time is set to OFF, then the bottom middle button is not displayed. The installer designates and clamps setpoints within a range. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 24: Changing The Fan
5-second mode button). See Timers (page 53) for additional descriptions of the MINIMUM OFF timer and the MINIMUM ON timer. NOTE Some modes may not be available, based on the INDOOR EQUIPMENT TYPE or the COMPRESSOR TYPE selections made in Installer Settings. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 25: Using The Menu For Advanced Features
You must SAVE to store the current value and return to the SELECT screen. • Press CANCEL to revert the value to the last saved value and return to the SELECT screen. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 26: To Adjust Date And Time
The time and date are updated/synced automatically at the top of each hour, unless SYNC TIME TO SERVER is set to NO. DST ENABLE—Enable or disable automatic Daylight Saving Time change in the thermostat Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 27: To Adjust Occupancy Settings
2 or 4 commercial products use 2. NOTE If the installer has configured the thermostat for non-programmable operation and remote occupancy is disabled, this setting is not available. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 28: To Adjust The Display Settings
SOUND EFFECT—Select the sound feedback when you press a button. CLCK (Click) CLCK (Click) BEEP BACKLIGHT—There are two backlight settings, one for interacting with the thermostat and another for the dormant screen. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 29 If the installer set HUMIDIFIER to NO, this setting is not available. • If the installer did not set the HUM OUTPUT to 1 of the 3 configurable outputs, this setting is not available. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 30 Wi-Fi radio in this product is turned off and Wi-Fi functionality is unavailable, including SYNC TIME TO SERVER, OUTDOOR TEMPERATURE via Wi-Fi geolocation, SERVER & WI-FI ERRORS and REMOTE ACCESS SERVICES via APP or WEB. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 31: To Adjust The Banner Text
When set to YES, the home and dormant screen banners display the outdoor air temperature. If there is not a source for the outdoor air temperature, OUTDOOR N/A shows. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 32 When set to YES, the home and dormant screen banners will display the CO2 value. • This option is only available if the CO2 sensor input is enabled. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 33: Using Installer Settings
COOL STAGES setting is not available • AUTO ALLOWED setting is not available When set to HP, the O output is not available for optional functions such as HUMIDIFIER, DEHUMIDIFICATION, and OCCUPANCY OUTPUT. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 34 The auto changeover time becomes active the next time the system is operating in heat and there is a cool demand, or the system is operating in cooling and there is a heating demand. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 35 NOTE This selection is not available if the thermostat has been configured as non-programmable. F OR C UNITS—Sets the temperature units to either F (Fahrenheit) or C (Celsius). Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 36 -5 to - 1 perceived temperature or a different temperature measuring device. 1 to 5°F -2.7 to - 0.5 0.5 to 2.7°C Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 37 If there is no valid outdoor temperature in the system, the cooling is not inhibited. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 38 (acts as if the setting is OFF). • If the system does not have a 2-stage heat pump, this selection is not available. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 39 52 – 90 °F schedule. (1°F increments) NOTE This setting is not available if the COMPRESSOR is set to NONE. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 40 This change to the heat pump lockout temperature is not visible to the user while the auxiliary heat lockout temperature is being changed. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 41 (e.g. A chosen differential value of 0.5°F requires 0.5° difference between setpoint and space temperature before first stage is turned on. Then a value of 1.0 degree of difference between setpoint and space temperature before second stage is turned on.) Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 42 • NONE - no sensor is connected • RH - a remote humidity sensor is connected • CO2 - A remote CO2 sensor is connected Default • NONE Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 43 The O/B output is used for heat pump equipment, the humidifier, and the dehumidifier setting of the HumidiMiZer™. • The W2 output is used for 2 stages of heating, the humidifier, and the dehumidifier setting of HumidiMiZer™. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 44 This setting is not available if the configurable outputs (Y3, O/B, and W2) are already assigned to other functions. Any configurable output that is already assigned to another function is not shown in the DEHUM OUTPUT selections. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 45: To Set Up Bacnet
BACnet settings, there is a prompt to either cancel those settings or save the new settings which force a thermostat reset. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 46 • The MSTP MAC is set to a value less than or equal to the MSTP Max Master setting. This setting is not displayed if BACnet is disabled. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 47: Device Name
32 characters The top line in this screen scrolls to display the DEVICE LOC and the location. allowed. This setting is not displayed if BACnet is disabled. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 49 Any output that is still available after configuring primary and optional equipment can be made available as a BACnet network-controlled output. This setting is not displayed if BACnet is disabled. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 50 This allows for recovery time (10 minute increments) when transitioning from unoccupied to occupied periods The top line in this screen scrolls to display ID TEMP FLT INHIBIT. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 51: To Test The Hvac System
EHEAT is only a choice when a heat pump is selected in the configuration. • HEAT is not available in a cooling-only configuration. • COOL is not available in a heating-only configuration. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 52: To Restore Factory Default Settings
LOW COOL LOCKOUT TEMP LOW HEAT LOCKOUT TEMP TIME B/W FUEL TYPES 15 MIN CYCLES PER HOUR HUMIDIFIER DEHUMIDIFIER MAX HEAT SETPOINT - 88°F MIN COOL SETPOINT 52°F Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 53 DEVICE DESCRIPTION DESCRIPTION BACNET BMS OCCUPANCY BACNET CONFIG WRITE ENABLE NETWORK GP OUT TIMEOUT 2 MIN NETWORK GP Y3 MODE NETWORK GP W2 MODE NETWORK GP OB MODE Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 54: Setting Up Wi-Fi
Carrier Connect Mobile App. SSID - Scrolls for the first 5 seconds CMML- Scrolls after 5 seconds When the thermostat is connected to a Wi-Fi network, the network SSID is displayed. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 55 F and the numbers 0 through 9. The DSN is the name used to identify the thermostat in the Carrier Connect Mobile App. The name starts with the letters AC followed by 13 letters and numbers. The DSN scrolls across the top of the display.
Page 56: Timers, Memory, And Deadband
The thermostat controls the number of degrees (°F or °C) between the heating and cooling setpoints. If the user changes a setpoint that violates the deadband requirement, the opposite mode setpoint is “pushed” to enforce the deadband. The deadband setting is fixed at 2°F. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide...
Page 57: Faults And System Events
The Faults and System events display in the banner while fault condition exists. You can see a history of the faults and system events in Carrier Connect mobile app under Alerts. The history is comprised of the 5 most recent logged items, with the most recent event being listed at the top.
Page 58: Filter Reminder
HIGH CO2 CO2 is above the programmed threshold (default 1100 PPM). System Events FILTER REMINDER Filter change reminder is active (run hours have expired or remote input shorted). Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 59: Appendix A: Bacnet Points List
Stage Change Temp GATED_WRITE DELTA_DEGREES_FAHRENHEIT DIFFERENTIAL AV:515 Differential Indoor Temperature Offset GATED_WRITE DELTA_DEGREES_FAHRENHEIT ID_TEMP_OFF AV:517 Indoor Humidity Offset GATED_WRITE PERCENT_RELATIVE_HUMIDITY ID_HUM_OFF AV:518 SAT Temp Offset GATED_WRITE DELTA_DEGREES_FAHRENHEIT SAT_OFFSET AV:519 Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 60 0=DISABLED NET_SP_HUM_EN BV:408 Enable 1=ENABLED Occupancy Input Polarity GATED_WRITE 0=OCCUPIED OCC_IN_POL BV:500 1=UNOCCUPIED Auto Mode Allowed GATED_WRITE 0=NO ALLOW_AUTO BV:501 1=YES Prog Mode Allowed GATED_WRITE 0=NO ALLOW_PROG BV:502 Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 61 READ_ONLY 0=INACTIVE WIFI_CONF_FAIL BV:914 1=ACTIVE ECONOMIZER FAULT READ_ONLY 0=INACTIVE ECON_FAULT BV:915 1=ACTIVE LOCKOUT-5 BAD PIN READ_ONLY 0=INACTIVE LOCKOUT_FAIL BV:916 ENTRIES 1=ACTIVE HIGH CO2 READ_ONLY 0=INACTIVE HIGH_CO2 BV:917 1=ACTIVE Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 62 Occupancy Output Terminal GATED_WRITE 1=OFF OCC_OUTPUT MSV:504 2=Y3 3=O/B 4=W2 Humidification Output GATED_WRITE 1=OFF HUM_OUTPUT MSV:505 Terminal 2=Y3 3=O/B 4=W2 Dehumidification Output GATED_WRITE 1=OFF DEHUM_OUTPUT MSV:506 Terminal 2=Y3 Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 63 Network GP OB Mode GATED_WRITE 1=DISABLED NET_GP_OB_MODE MSV:511 2=ENERGIZED_ACTIVE 3=ENERGIZED_INACTIVE Analog Input GATED_WRITE NONE ANALOG_INPUT MSV:512 1=HUMIDITY 2=CO2 Analog Input Scaling GATED_WRITE 1=2-10V ANALOG_IN_SCALE MSV:513 (4-20mA w/ext 500 Ohm) Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 64: Appendix B: Bacnet Functionality
Execute Write Property Multiple (DS-WPM-B) Device Management BIBBs Execute Who-Is and Initiate I-Am (DM-DDB-B) Execute Who-Has and Initiate I-Have (DM-DOB-B) Execute TimeSynchronization (DM-TS-B) Execute UTCTimeSynchronization (DM-UTC-B) Execute ReinitializeDevice (DM-RD-B) Execute DeviceCommunicationControl (DM-DCC-B) Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 65: Appendix C: Bacnet Constraints
The output is not used in the current configuration. Unreliable-other This object is not relevant with the current configuration. No-sensor The sensor is not used in the current configuration. Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 66: Appendix D: Bacnet Object Instance Ranges
Appendix D: BACnet Object Instance Ranges Appendix D: BACnet Object Instance Ranges Instance Range Object Type Device Inputs Device Outputs Status User Configuration Installer Configuration Faults Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 67: Appendix E: Bacnet Object Notes
Mode Object, and the timeout status. Controlling Object Value Mode Object Value Timed out? Physical Output State DISABLED De-energized ENERGIZED_ACTIVE De-energized ENERGIZED_INACTIVE Energized Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 68 The following table shows the three outputs and the objects that configure and control them. Controlling Object Mode Object Physical Output NET_GP_Y3_OUT (BV211) NET_GP_Y3_MODE (MSV509) NET_GP_W2_OUT (BV212) NET_GP_W2_MODE (MSV510) NET_GP_OB_OUT (BV213) NET_GP_OB_MODE (MSV511) Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.
Page 69: Document Revision History
Important changes to this document are listed below. Minor changes such as typographical or formatting errors are not listed. Date Topic Change description Code* No updates yet. * For internal use only Carrier® Connect™ Wi-Fi Thermostat 33TCSPL-4 ©2024 Carrier. Installation Guide All rights reserved.

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Summary of Contents for Carrier Connect 33TCSPL-4