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layout: documentation
title: CT30 - ZWave
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# CT30 Z-Wave Thermostat
This describes the Z-Wave device *CT30*, manufactured by *Radio Thermostat Company of America (RTC)* with the thing type UID of ```rtc_ct30_00_000```.

The device is in the category of *HVAC*, defining Air condition devices, Fans.

![CT30 product image](https://opensmarthouse.org/zwavedatabase/94/image/)


The CT30 supports routing. This allows the device to communicate using other routing enabled devices as intermediate routers.  This device is also able to participate in the routing of data between other devices in the mesh network.

## Overview

This thermostat was made by Radio Thermostat Company of America or 2Gig.  It can use either WiFi or Z-Wave or both depending on  
which USNAP modules are installed.

### Inclusion Information

  * Put your primary controller in include mode.
  * Press the MENU button
  * Tap the MATE button under the radio tower icon.  A large "r1" or "r2" wil be displayed indicating which slot the USNAP module is in.
  * Tap the MATE button under the radio tower icon again to include.

### Exclusion Information

  * Put your primary controller in exclude mode.
  * Press the MENU button
  * Tap the MATE button under the radio tower icon.  A large "r1" or "r2" wil be displayed indicating which slot the USNAP module is in.
  * Tap the MATE button under the radio tower icon again to exclude.

### General Usage Information



## Channels

The following table summarises the channels available for the CT30 -:

| Channel Name | Channel ID | Channel Type | Category | Item Type |
|--------------|------------|--------------|----------|-----------|
| Sensor (temperature) | sensor_temperature | sensor_temperature | Temperature | Number:Temperature | 
| Thermostat mode | thermostat_mode | thermostat_mode | Temperature | Number | 
| Operating State | thermostat_state | thermostat_state | Temperature | Number | 
| Setpoint (cooling) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | 
| Setpoint (heating) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature | 
| Thermostat fan mode | thermostat_fanmode | thermostat_fanmode |  |  | 
| Battery Level | battery-level | system.battery_level | Battery | Number |
| Clock Time Offset | time_offset | time_offset | Time | 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.

### 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 (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.

### 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.

### Thermostat fan mode
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.



## Device Configuration

The following table provides a summary of the 6 configuration parameters available in the CT30.
Detailed information on each parameter can be found in the sections below.

| Param | Name  | Description |
|-------|-------|-------------|
| 1 | Temperature Reporting Threshold | Temperature Reporting Threshold |
| 3 | Utility Lock Enable/Disable | Utility Lock Enable/Disable |
| 5 | Humidity Reporting Threshold | Humidity Reporting Threshold |
| 6 | Auxiliary/Emergency | Auxiliary/Emergency |
| 7 | Thermostat Swing Temperature | Thermostat Swing Temperature |
| 8 | Thermostat Diff Temperature | Thermostat Diff Temperature |

### Parameter 1: Temperature Reporting Threshold

Temperature Reporting Threshold
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 | 0.5° |
| 2 | 1.0° |
| 3 | 1.5° |
| 4 | 2.0° |

The manufacturer defined default value is ```0``` (Disabled).

This parameter has the configuration ID ```config_1_1``` and is of type ```INTEGER```.


### Parameter 3: Utility Lock Enable/Disable

Utility Lock Enable/Disable
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``` and is of type ```INTEGER```.


### Parameter 5: Humidity Reporting Threshold

Humidity Reporting Threshold
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 ```0``` (Disabled).

This parameter has the configuration ID ```config_5_1``` and is of type ```INTEGER```.


### Parameter 6: Auxiliary/Emergency

Auxiliary/Emergency
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 heat.
The following option values may be configured -:

| Value  | Description |
|--------|-------------|
| 0 | Auxiliary/Emergency heat disabled |
| 1 | Auxiliary/Emergency heat enable |

The manufacturer defined default value is ```0``` (Auxiliary/Emergency heat disabled).

This parameter has the configuration ID ```config_6_1``` and is of type ```INTEGER```.


### Parameter 7: Thermostat Swing Temperature

Thermostat Swing Temperature
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. If the thermostat is heating, the swing temper
The following option values may be configured -:

| Value  | Description |
|--------|-------------|
| 1 | 0.05F |
| 2 | 0.1F |
| 8 | 4F |

The manufacturer defined default value is ```1``` (0.05F).

This parameter has the configuration ID ```config_7_1``` and is of type ```INTEGER```.


### Parameter 8: Thermostat Diff Temperature

Thermostat Diff Temperature
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. There are two differential tempera
The following option values may be configured -:

| Value  | Description |
|--------|-------------|
| 4 | 2.0 F |
| 8 | 4.0 F |
| 12 | 6.0 F |

The manufacturer defined default value is ```4``` (2.0 F).

This parameter has the configuration ID ```config_8_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 device does not support associations.
## Technical Information

### Endpoints

#### Endpoint 0

| Command Class | Comment |
|---------------|---------|
| COMMAND_CLASS_NO_OPERATION_V1| |
| COMMAND_CLASS_BASIC_V1| |
| COMMAND_CLASS_SENSOR_MULTILEVEL_V2| |
| COMMAND_CLASS_THERMOSTAT_MODE_V2| |
| COMMAND_CLASS_THERMOSTAT_OPERATING_STATE_V1| |
| COMMAND_CLASS_THERMOSTAT_SETPOINT_V2| |
| COMMAND_CLASS_THERMOSTAT_FAN_MODE_V1| |
| COMMAND_CLASS_CONFIGURATION_V1| |
| COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1| |
| COMMAND_CLASS_BATTERY_V1| |
| COMMAND_CLASS_CLOCK_V1| |
| COMMAND_CLASS_VERSION_V1| |
| COMMAND_CLASS_INDICATOR_V1| |

### Documentation Links

* [Installation Manual](https://opensmarthouse.org/zwavedatabase/94/reference/CT-30-Installation-16apr10.pdf)
* [Operation Manual](https://opensmarthouse.org/zwavedatabase/94/reference/CT-30-Operation-19apr10.pdf)

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