--- layout: documentation title: CT32 - ZWave --- {% include base.html %} # CT32 Z-Wave Thermostat This describes the Z-Wave device *CT32*, manufactured by *Radio Thermostat Company of America (RTC)* with the thing type UID of ```rtc_ct32_00_000```. The device is in the category of *HVAC*, defining Air condition devices, Fans. ![CT32 product image](https://opensmarthouse.org/zwavedatabase/99/image/) The CT32 supports routing. This allows the device to communicate using other routing enabled devices as intermediate routers. This device is unable to participate in the routing of data from other devices. ## Overview The Z-Wave enabled CT32 thermostat is a compact, easy-to-use thermostat that is packed with functionality. The CT32 has a responsive touchscreen interface, easy-to-read backlight display, and 7-day programmability. It features a system lock to avoid unintentional changes for maximum efficiency, a filter change indicator to keep your HVAC system running efficiently, wide temperature operation range, and room temperature calibration for precise control. ### Inclusion Information Go to Menu screen, and press INCLUDE icon. ### Exclusion Information Go to Menu screen, and press EXCLUDE icon. ## Channels The following table summarises the channels available for the CT32 -: | Channel Name | Channel ID | Channel Type | Category | Item Type | |--------------|------------|--------------|----------|-----------| | Sensor (temperature) | sensor_temperature | sensor_temperature | Temperature | Number:Temperature | | Sensor (relative humidity) | sensor_relhumidity | sensor_relhumidity | Humidity | Number | | Thermostat mode | thermostat_mode | thermostat_mode | Temperature | Number | | Operating State | thermostat_state | thermostat_state | Temperature | Number | | Setpoint (furnace) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (dry air) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (heating) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (cooling) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | | Thermostat fan mode | thermostat_fanmode | thermostat_fanmode | | | | Thermostat fan state | thermostat_fanstate | thermostat_fanstate | | | | Battery Level | battery-level | system.battery_level | Battery | Number | | Clock Time Offset | time_offset | time_offset | Time | Number | | Sensor (temperature) 1 | sensor_temperature1 | sensor_temperature | Temperature | Number:Temperature | | Sensor (relative humidity) 1 | sensor_relhumidity1 | sensor_relhumidity | Humidity | Number | | Thermostat mode 1 | thermostat_mode1 | thermostat_mode | Temperature | Number | | Operating State 1 | thermostat_state1 | thermostat_state | Temperature | Number | | Setpoint (furnace) 1 | thermostat_setpoint1 | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (dry air) 1 | thermostat_setpoint1 | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (heating) 1 | thermostat_setpoint1 | thermostat_setpoint | Heating | Number:Temperature | | Setpoint (cooling) 1 | thermostat_setpoint1 | thermostat_setpoint | Heating | Number:Temperature | | Thermostat fan mode 1 | thermostat_fanmode1 | thermostat_fanmode | | | | Thermostat fan state 1 | thermostat_fanstate1 | thermostat_fanstate | | | | Battery Level | battery-level | system.battery_level | Battery | Number | | Clock Time Offset 1 | time_offset1 | time_offset | Time | Number | | Sensor (temperature) 2 | sensor_temperature2 | sensor_temperature | Temperature | Number:Temperature | | Sensor (relative humidity) 2 | sensor_relhumidity2 | sensor_relhumidity | Humidity | Number | ### Sensor (temperature) Indicates the current temperature. The ```sensor_temperature``` channel is of type ```sensor_temperature``` and supports the ```Number:Temperature``` item and is in the ```Temperature``` category. ### Sensor (relative humidity) Indicates the current relative humidity. The ```sensor_relhumidity``` channel is of type ```sensor_relhumidity``` and supports the ```Number``` item and is in the ```Humidity``` category. This is a read only channel so will only be updated following state changes from the device. ### Thermostat mode Sets the thermostat. The ```thermostat_mode``` channel is of type ```thermostat_mode``` and supports the ```Number``` item and is in the ```Temperature``` category. The following state translation is provided for this channel to the ```Number``` item type -: | Value | Label | |-------|-----------| | 0 | Off | | 1 | Heat | | 2 | Cool | | 3 | Auto | | 4 | Aux Heat | | 5 | Resume | | 6 | Fan Only | | 7 | Furnace | | 8 | Dry Air | | 9 | Moist Air | | 10 | Auto Changeover | | 11 | Heat Economy | | 12 | Cool Economy | | 13 | Away | ### Operating State Sets the thermostat operating state. The ```thermostat_state``` channel is of type ```thermostat_state``` and supports the ```Number``` item and is in the ```Temperature``` category. The following state translation is provided for this channel to the ```Number``` item type -: | Value | Label | |-------|-----------| | 0 | Idle | | 1 | Heating | | 2 | Cooling | | 3 | Fan Only | | 4 | Pending Heat | | 5 | Pending Cool | | 6 | Vent / Economiser | ### Setpoint (furnace) Sets the thermostat setpoint. The ```thermostat_setpoint``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (dry air) Sets the thermostat setpoint. The ```thermostat_setpoint``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (heating) Sets the thermostat setpoint. The ```thermostat_setpoint``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (cooling) Sets the thermostat setpoint. The ```thermostat_setpoint``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Thermostat fan mode Channel type information on this channel is not found. ### Thermostat fan state Channel type information on this channel is not found. ### Battery Level Represents the battery level as a percentage (0-100%). Bindings for things supporting battery level in a different format (e.g. 4 levels) should convert to a percentage to provide a consistent battery level reading. The ```system.battery-level``` channel is of type ```system.battery-level``` and supports the ```Number``` item and is in the ```Battery``` category. This channel provides the battery level as a percentage and also reflects the low battery warning state. If the battery state is in low battery warning state, this will read 0%. ### Clock Time Offset Provides the current time difference for the devices time. The ```time_offset``` channel is of type ```time_offset``` and supports the ```Number``` item and is in the ```Time``` category. ### Sensor (temperature) 1 Indicates the current temperature. The ```sensor_temperature1``` channel is of type ```sensor_temperature``` and supports the ```Number:Temperature``` item and is in the ```Temperature``` category. ### Sensor (relative humidity) 1 Indicates the current relative humidity. The ```sensor_relhumidity1``` channel is of type ```sensor_relhumidity``` and supports the ```Number``` item and is in the ```Humidity``` category. This is a read only channel so will only be updated following state changes from the device. ### Thermostat mode 1 Sets the thermostat. The ```thermostat_mode1``` channel is of type ```thermostat_mode``` and supports the ```Number``` item and is in the ```Temperature``` category. The following state translation is provided for this channel to the ```Number``` item type -: | Value | Label | |-------|-----------| | 0 | Off | | 1 | Heat | | 2 | Cool | | 3 | Auto | | 4 | Aux Heat | | 5 | Resume | | 6 | Fan Only | | 7 | Furnace | | 8 | Dry Air | | 9 | Moist Air | | 10 | Auto Changeover | | 11 | Heat Economy | | 12 | Cool Economy | | 13 | Away | ### Operating State 1 Sets the thermostat operating state. The ```thermostat_state1``` channel is of type ```thermostat_state``` and supports the ```Number``` item and is in the ```Temperature``` category. The following state translation is provided for this channel to the ```Number``` item type -: | Value | Label | |-------|-----------| | 0 | Idle | | 1 | Heating | | 2 | Cooling | | 3 | Fan Only | | 4 | Pending Heat | | 5 | Pending Cool | | 6 | Vent / Economiser | ### Setpoint (furnace) 1 Sets the thermostat setpoint. The ```thermostat_setpoint1``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (dry air) 1 Sets the thermostat setpoint. The ```thermostat_setpoint1``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (heating) 1 Sets the thermostat setpoint. The ```thermostat_setpoint1``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Setpoint (cooling) 1 Sets the thermostat setpoint. The ```thermostat_setpoint1``` channel is of type ```thermostat_setpoint``` and supports the ```Number:Temperature``` item and is in the ```Heating``` category. ### Thermostat fan mode 1 Channel type information on this channel is not found. ### Thermostat fan state 1 Channel type information on this channel is not found. ### Battery Level Represents the battery level as a percentage (0-100%). Bindings for things supporting battery level in a different format (e.g. 4 levels) should convert to a percentage to provide a consistent battery level reading. The ```system.battery-level1``` channel is of type ```system.battery-level``` and supports the ```Number``` item and is in the ```Battery``` category. This channel provides the battery level as a percentage and also reflects the low battery warning state. If the battery state is in low battery warning state, this will read 0%. ### Clock Time Offset 1 Provides the current time difference for the devices time. The ```time_offset1``` channel is of type ```time_offset``` and supports the ```Number``` item and is in the ```Time``` category. ### Sensor (temperature) 2 Indicates the current temperature. The ```sensor_temperature2``` channel is of type ```sensor_temperature``` and supports the ```Number:Temperature``` item and is in the ```Temperature``` category. ### Sensor (relative humidity) 2 Indicates the current relative humidity. The ```sensor_relhumidity2``` channel is of type ```sensor_relhumidity``` and supports the ```Number``` item and is in the ```Humidity``` category. This is a read only channel so will only be updated following state changes from the device. ## Device Configuration The following table provides a summary of the 9 configuration parameters available in the CT32. Detailed information on each parameter can be found in the sections below. | Param | Name | Description | |-------|-------|-------------| | 1 | Temperature Reporting Threshold | Sets the reporting threshold for changes in ambient temperature. | | 3 | Utility Lock Enable/Disable | Enables or Disables the Utility Lock. | | 5 | Humidity Reporting Threshold | Sets the reporting threshold for changes in humidity. | | 6 | Auxiliary/Emergency | Enables or Disables the Aux / Emergency Heat. | | 7 | Swing Temperature | Sets the swing threshold before turning on / off HVAC. | | 8 | Thermostat Diff Temperature | Set's the differential temperature for multi-stage HVAC systems. | | 9 | Thermostat Recovery Mode | This parameter defines the thermostat recovery mode. | | 11 | Simple UI Mode Enable/Disable | Enables or Disables Simple UI Mode | | 12 | Multicast Enable/Disable | If set to 0, multicast is disabled, if set to 1, will enable the multicast. | ### Parameter 1: Temperature Reporting Threshold Sets the reporting threshold for changes in ambient temperature. The Temperature Reporting Threshold Configuration Set Command sets the reporting threshold for changes in the ambient temperature as detected by the thermostat. The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Disabled | | 1 | 0.5F | | 2 | 1.0F | | 3 | 1.5F | | 4 | 2.0F | The manufacturer defined default value is ```2``` (1.0F). This parameter has the configuration ID ```config_1_1``` and is of type ```INTEGER```. ### Parameter 3: Utility Lock Enable/Disable Enables or Disables the Utility Lock. The Utility Lock Configuration Set command enables or disables the utility lock. If the utility lock is enabled, the setpoint cannot be modified directly via the thermostat screen. The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Utility lock disable | | 1 | Utility lock enable | The manufacturer defined default value is ```0``` (Utility lock disable). This parameter has the configuration ID ```config_3_1_wo``` and is of type ```INTEGER```. This is a write only parameter. ### Parameter 5: Humidity Reporting Threshold Sets the reporting threshold for changes in humidity. The Humidity Threshold Configuration Set Command sets the reporting threshold for changes in the relative humidity as detected by the thermostat. The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Disabled | | 1 | 3%RH | | 2 | 5%RH | | 3 | 10%RH | The manufacturer defined default value is ```2``` (5%RH). This parameter has the configuration ID ```config_5_1``` and is of type ```INTEGER```. ### Parameter 6: Auxiliary/Emergency Enables or Disables the Aux / Emergency Heat. The Auxiliary/Emergency configuration command enables or disables auxiliary / emergency heating in the thermostat. Auxiliary / emergency heating is only available if the thermostat is configured in heat pump mode and with at least one stage of auxiliary h The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Auxiliary/Emergency heat disable | | 1 | Auxiliary/Emergency heat enable | The manufacturer defined default value is ```0``` (Auxiliary/Emergency heat disable). This parameter has the configuration ID ```config_6_1``` and is of type ```INTEGER```. ### Parameter 7: Swing Temperature Sets the swing threshold before turning on / off HVAC. The Thermostat Swing Temperature configuration command sets swing temperature on the thermostat. The swing temperature is applied to the setpoint to determine when the thermostat will turn on the HVAC system. The following option values may be configured -: | Value | Description | |--------|-------------| | 1 | 0.0F | | 2 | 1F | | 3 | 1.5F | | 4 | 2F | | 5 | 2.5F | | 6 | 3F | | 7 | 3.5F | | 8 | 4F | The manufacturer defined default value is ```2``` (1F). This parameter has the configuration ID ```config_7_1``` and is of type ```INTEGER```. ### Parameter 8: Thermostat Diff Temperature Set's the differential temperature for multi-stage HVAC systems. The Thermostat Differential Temperature configuration command sets the differential temperature for multi-stage HVAC systems. The differential temperature delta defines when the thermostat will turn on additional stages. Values in the range 4 to 3084 may be set. The manufacturer defined default value is ```4```. This parameter has the configuration ID ```config_8_2``` and is of type ```INTEGER```. ### Parameter 9: Thermostat Recovery Mode This parameter defines the thermostat recovery mode. The following option values may be configured -: | Value | Description | |--------|-------------| | 1 | Recovery Mode is set to fast. | | 2 | Recovery Mode is set to economy. | The manufacturer defined default value is ```2``` (Recovery Mode is set to economy.). This parameter has the configuration ID ```config_9_1``` and is of type ```INTEGER```. ### Parameter 11: Simple UI Mode Enable/Disable Enables or Disables Simple UI Mode If set to 0, Simple UI Mode is disabled, if set to 1, will enable the Simple UI Mode. The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Simple UI Mode Disabled | | 1 | Simple UI Mode Enabled | The manufacturer defined default value is ```1``` (Simple UI Mode Enabled). This parameter has the configuration ID ```config_11_1``` and is of type ```INTEGER```. ### Parameter 12: Multicast Enable/Disable If set to 0, multicast is disabled, if set to 1, will enable the multicast. The following option values may be configured -: | Value | Description | |--------|-------------| | 0 | Multicast Disabled | | 1 | Function is enabled. | The manufacturer defined default value is ```0``` (Multicast Disabled). This parameter has the configuration ID ```config_12_1``` and is of type ```INTEGER```. ## Association Groups Association groups allow the device to send unsolicited reports to the controller, or other devices in the network. Using association groups can allow you to eliminate polling, providing instant feedback of a device state change without unnecessary network traffic. The CT32 supports 1 association group. ### Group 1: Group 1 Association group 1 supports 2 nodes. ## Technical Information ### Endpoints #### Endpoint 0 | Command Class | Comment | |---------------|---------| | COMMAND_CLASS_NO_OPERATION_V1| | | COMMAND_CLASS_BASIC_V1| | | COMMAND_CLASS_SENSOR_MULTILEVEL_V5| | | COMMAND_CLASS_THERMOSTAT_MODE_V1| | | COMMAND_CLASS_THERMOSTAT_OPERATING_STATE_V1| | | COMMAND_CLASS_THERMOSTAT_SETPOINT_V1| | | COMMAND_CLASS_THERMOSTAT_FAN_MODE_V1| | | COMMAND_CLASS_THERMOSTAT_FAN_STATE_V1| | | COMMAND_CLASS_ASSOCIATION_GRP_INFO_V1| | | COMMAND_CLASS_DEVICE_RESET_LOCALLY_V1| | | COMMAND_CLASS_ZWAVEPLUS_INFO_V1| | | COMMAND_CLASS_MULTI_CHANNEL_V2| | | COMMAND_CLASS_CONFIGURATION_V1| | | COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1| | | COMMAND_CLASS_POWERLEVEL_V1| | | COMMAND_CLASS_BATTERY_V1| | | COMMAND_CLASS_CLOCK_V1| | | COMMAND_CLASS_ASSOCIATION_V1| | | COMMAND_CLASS_VERSION_V1| | | COMMAND_CLASS_INDICATOR_V1| | #### Endpoint 1 | Command Class | Comment | |---------------|---------| | COMMAND_CLASS_BASIC_V1| | | COMMAND_CLASS_SENSOR_MULTILEVEL_V5| | | COMMAND_CLASS_THERMOSTAT_MODE_V1| | | COMMAND_CLASS_THERMOSTAT_OPERATING_STATE_V1| | | COMMAND_CLASS_THERMOSTAT_SETPOINT_V1| | | COMMAND_CLASS_THERMOSTAT_FAN_MODE_V1| | | COMMAND_CLASS_THERMOSTAT_FAN_STATE_V1| | | COMMAND_CLASS_ASSOCIATION_GRP_INFO_V1| | | COMMAND_CLASS_DEVICE_RESET_LOCALLY_V1| | | COMMAND_CLASS_ZWAVEPLUS_INFO_V1| | | COMMAND_CLASS_CONFIGURATION_V1| | | COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1| | | COMMAND_CLASS_POWERLEVEL_V1| | | COMMAND_CLASS_BATTERY_V1| | | COMMAND_CLASS_CLOCK_V1| | | COMMAND_CLASS_ASSOCIATION_V1| | | COMMAND_CLASS_VERSION_V1| | | COMMAND_CLASS_INDICATOR_V1| | #### Endpoint 2 | Command Class | Comment | |---------------|---------| | COMMAND_CLASS_BASIC_V1| | | COMMAND_CLASS_SENSOR_MULTILEVEL_V5| Linked to BASIC| | COMMAND_CLASS_ASSOCIATION_V1| | ### Documentation Links * [User Manual Rev 6](https://opensmarthouse.org/zwavedatabase/99/reference/CT32-IBIE-rev006-25jan14.pdf) * [RTZW-02 Z-Wave Module Manual](https://opensmarthouse.org/zwavedatabase/99/reference/RTZW-02-module-IB-9jun14.pdf) --- Did you spot an error in the above definition or want to improve the content? 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