Radio Thermostat Company of America CT32 CT32 RTZW-02 Manual

: June 8, 2024
: Radio Thermostat Company of America

Table of Contents

Radio Thermostat Company of America
CT32

Radio Thermostat Company of America

CT32

SKU: CT32 RTZW-02

Quickstart

This is a ****

HVAC-Thermostat
for
U.S. / Canada / Mexico.

To run this device please connect it to your mains power supply.

To add this device to your network execute the following action:
Go to Menu screen, and press MATE icon.

Please refer to the
Manufacturers Manual for more information.

Important safety information

Please read this manual carefully. Failure to follow the recommendations in this manual may be dangerous or may violate the law.
The manufacturer, importer, distributor and seller shall not be liable for any loss or damage resulting from failure to comply with the instructions in this manual or any other material.
Use this equipment only for its intended purpose. Follow the disposal instructions.

Do not dispose of electronic equipment or batteries in a fire or near open heat sources.

What is Z-Wave?

Z-Wave is the international wireless protocol for communication in the Smart Home. This
device is suited for use in the region mentioned in the Quickstart section.

Z-Wave ensures a reliable communication by reconfirming every message ( two- way
communication) and every mains powered node can act as a repeater for other nodes
( meshed network ) in case the receiver is not in direct wireless range of the
transmitter.

This device and every other certified Z-Wave device can be used together with any other
certified Z-Wave device regardless of brand and origin as long as both are suited for the
same frequency range.

If a device supports secure communication it will communicate with other devices
secure as long as this device provides the same or a higher level of security.
Otherwise it will automatically turn into a lower level of security to maintain
backward compatibility.

For more information about Z-Wave technology, devices, white papers etc. please refer
to www.z-wave.info.

Product Description

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.

Prepare for Installation / Reset

Please read the user manual before installing the product.

In order to include (add) a Z-Wave device to a network it must be in factory default
state. Please make sure to reset the device into factory default. You can do this by
performing an Exclusion operation as described below in the manual. Every Z-Wave
controller is able to perform this operation however it is recommended to use the primary
controller of the previous network to make sure the very device is excluded properly
from this network.

Reset to factory default

This device also allows to be reset without any involvement of a Z-Wave controller. This
procedure should only be used when the primary controller is inoperable.

In Main menu, put thermostat in OFF mode.Press and hold center digits.

Safety Warning for Mains Powered Devices

ATTENTION: only authorized technicians under consideration of the country- specific
installation guidelines/norms may do works with mains power. Prior to the assembly of
the product, the voltage network has to be switched off and ensured against re-switching.

Inclusion/Exclusion

On factory default the device does not belong to any Z-Wave network. The device needs
to be added to an existing wireless network to communicate with the devices of this network.
This process is called Inclusion.

Devices can also be removed from a network. This process is called Exclusion.
Both processes are initiated by the primary controller of the Z-Wave network. This
controller is turned into exclusion respective inclusion mode. Inclusion and Exclusion is
then performed doing a special manual action right on the device.

Inclusion

Go to Menu screen, and press MATE icon.

Exclusion

Go to Menu screen, and press MATE/LINK icon.

Communication to a Sleeping device (Wakeup)

This device is battery operated and turned into deep sleep state most of the time
to save battery life time. Communication with the device is limited. In order to
communicate with the device, a static controller C is needed in the network.
This controller will maintain a mailbox for the battery operated devices and store
commands that can not be received during deep sleep state. Without such a controller,
communication may become impossible and/or the battery life time is significantly
decreased.

This device will wakeup regularly and announce the wakeup
state by sending out a so called Wakeup Notification. The controller can then
empty the mailbox. Therefore, the device needs to be configured with the desired
wakeup interval and the node ID of the controller. If the device was included by
a static controller this controller will usually perform all necessary
configurations. The wakeup interval is a tradeoff between maximal battery
life time and the desired responses of the device. To wakeup the device please perform
the following action:

When included into a Z-Wave network on battery power, this device is a FLiRS device.The Thermostat will wake up for communication when it receives a valid Z-Wave beam.

Quick trouble shooting

Here are a few hints for network installation if things dont work as expected.

Make sure a device is in factory reset state before including. In doubt exclude before include.
If inclusion still fails, check if both devices use the same frequency.
Remove all dead devices from associations. Otherwise you will see severe delays.
Never use sleeping battery devices without a central controller.
Dont poll FLIRS devices.
Make sure to have enough mains powered device to benefit from the meshing

Association – one device controls an other device

Z-Wave devices control other Z-Wave devices. The relationship between one device
controlling another device is called association. In order to control a different
device, the controlling device needs to maintain a list of devices that will receive
controlling commands. These lists are called association groups and they are always
related to certain events (e.g. button pressed, sensor triggers, …). In case
the event happens all devices stored in the respective association group will
receive the same wireless command wireless command, typically a ‘Basic Set’ Command.

Association Groups:

Group NumberMaximum NodesDescription

1	2	Z-Wave Plus Lifeline

Configuration Parameters

Z-Wave products are supposed to work out of the box after inclusion, however
certain configuration can adapt the function better to user needs or unlock further
enhanced features.

IMPORTANT: Controllers may only allow configuring
signed values. In order to set values in the range 128 … 255 the value sent in
the application shall be the desired value minus 256. For example: To set a
parameter to 200â€ˆit may be needed to set a value of 200 minus 256 = minus 56.
In case of a two byte value the same logic applies: Values greater than 32768 may
needed to be given as negative values too.

Parameter 1: Temperature Reporting Threshold

The Temperature Reporting Threshold parameter the reporting threshold for changes in the ambient temperature as detected by the thermostat.
Size: 1 Byte, Default Value: 2

SettingDescription

0 – 4	0 = Disabled: 1 = 0.5F: 2 = 1.0F: 3 = 1.5F: 4 = 2.0F

Parameter 10: Temperature Reporting Filter

_The Temperature Reporting Filter parameter controls upper and lower bounds of the ambient temperature reporting. The thermostat will not report ambient temperature changes if the ambient temperature falls between these bounds. For example, if the upper bound is 80F and the lower bound is 60F, the thermostat will not send SENSOR_MULTI_LEVELREPORTS for ambient temperature values between 60F and 80F. The thermostat will only send ambient temperature changes if the thermostat has been added to an association group (see Command Class Association) and the temperature reporting threshold is non-zero (see Temperature Reporting Threshold).
Size: 2 Byte, Default Value: 3200

SettingDescription

0 – 31868	Byte 1: 0 -124F (lower bound), Byte 2: 0-124F (upper bound)

Parameter 11: Simple UI Mode

The Simple UI Mode parameter controls whether the thermostats UI is in Simple or Normal mode.
Size: 1 Byte, Default Value: 1

SettingDescription

0 – 1	0 = Normal Mode, 1 = Simple Mode

Parameter 12: Multicast

The Multicast Enalbe/Disable parameter controls how the thermostat sends unsolicited reports. For this parameter to have an effect, node ids must be set to association group 1 (see section 1.14). When this parameter is set to 0 (multicast is disabled), for each unsolicited report, the thermostat will send the report as single cast messages to all node ids in association group 1. When this parameter is set to 1 (multicast is enabled), for each unsolicited report, the thermostat will send the report as a multi cast message to all nodes in association group 1 followed by single cast messages to each of those nodes.
Size: 1 Byte, Default Value: 0

SettingDescription

0 – 1	0 = Disabled, 1 = Enabled
0 – 1	0=disabled ,1=enabled
0 – 65535	0=disabled, 1=enabled.
0 – 1	0=disabled, 1=enabled.
0 – 2	0=nothing, 1=hail CC, 2=basic CC report.
0 – 1	0=disabled, 1=enabled.
0 – 60000	The threshold can be set from 0 to 60000 watt.
0 – 100	The threshold can be set from 0 to 100 percent.
0 – 15	When value==1, which means the Voltage report is configured to be sent

in Report Group 1. When value==2, which means the Current report is configured to be sent in Report Group 1. When value==4, which means the Wattage report is configured to be sent in Report Group 1. When value==8, which means the KWH report is configured to be sent in Report Group 1. When value==15, which means the Voltage , Current , Wattageand KWH report are all configured to be sent in Report Group 1. The other values will be reserved.
0 – 15| When value==1, which means the Voltage report is configured to be sent in Report Group 2. When value==2, which means the Current report is configured to be sent in Report Group 2. When value==4, which means the Wattage report is configured to be sent in Report Group 2. When value==8, which means the KWH report is configured to be sent in Report Group 2. When value==15, which means the Voltage , Current , Wattageand KWH report are all configured to be sent in Report Group 2. The other values will be reserved.
0 – 15| When value==1, which means the Voltage report is configured to be sent in Report Group 3. When value==2, which means the Current report is configured to be sent in Report Group 3. When value==4, which means the Wattage report is configured to be sent in Report Group 3. When value==8, which means the KWH report is configured to be sent in Report Group 2. When value==15, which means the Voltage , Current , Wattageand KWH report are all configured to be sent in Report Group 3. The other values will be reserved.
0 – 268435456| You have a wide range to set the interval time that can be set from 0 to 268435456 seconds.
0 – 268435456| You have a wide range to set the interval time that can be set from 0 to 268435456 seconds.
0 – 268435456| You have a wide range to set the interval time that can be set from 0 to 268435456 seconds.
0 – 255| There are 255 different partners can be configured.
0 – 1| When value==0, all configuration parameters are configurable. When value==1, all configuration parameters are not configurable.(Locked)

Parameter 2: HVAC Settings

The HVAC Settings Parameter is a read-only value that reports the current HVAC configuration. The HVAC settings must be fixed before the thermostat is joined to the Z-Wave network.
Size: 4 Byte, Default Value: 0

SettingDescription

1 – 2147483647| Byte 1: normal (1) or heat pump (2). Byte 2, Bits 7-4: Gas (1) or Electric (2). Byte 2, Bits 3-0: # of Auxiliary Stages. Byte 3: # of Heat Pump Stages. Byte 4: # of Cool Stages.
---|---

Parameter 3: Utility Lock

The Utility Lock parameter enables or disables the utility lock. If the utility lock is enabled, the setpoint cannot be modified directly via the thermostat screen.
Size: 1 Byte, Default Value: 0

SettingDescription

0 – 255	0 = Disabled, 1 – 255 = Enabled

Parameter 4: C-Wire/Battery

The C-Wire / Battery Status Configuration parameter reports the status of the thermostat power source. The power state is fixed when the thermostat joins the network.
Size: 1 Byte, Default Value: 0

SettingDescription

1 – 2	1=C-Wire, 2=Battery

Parameter 5: Humidity Reporting Threshold

The Humidity Threshold Configuration parameter sets the reporting threshold for changes in the relative humidity as detected by the thermostat.
Size: 1 Byte, Default Value: 2

SettingDescription

0 – 3	0 = Disabled, 1 = 3% RH, 2 = 5% RH, 3 = 10% RH

Parameter 6: Auxiliary/Emergency Mode

The Auxiliary/Emergency parameter 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 heating. This command enables auxiliary / emergency heating when the thermostat is in Auto mode. The Thermostat Set Mode command with mode Auxiliary/Emergency Heat (see 1.6.1) will enable emergency heating but only if the thermostat is in Heat mode. This command should only be used on thermostats that support Auxiliary/Emergency Heat thermostat mode.
Size: 1 Byte, Default Value: 0

SettingDescription

0 – 1	0 = Disabled, 1 = Enabled

Parameter 7: Thermostat Swing Temperature

The Thermostat Swing Temperature parameter 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 temperature is subtracted from the heat setpoint. If the thermostat is cooling, the swing temperature is added to the cool setpoint.
Size: 1 Byte, Default Value: 2

SettingDescription

1 – 8| 1 = 0.5F, 2 = 1.0F, 3 = 1.5F, 4 = 2.0F, 5 = 2.5F, 6 = 3.0F, 7 = 3.5F, 8 = 4.0F
---|---

Parameter 8: Thermostat Differential 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 temperatures, one for multistage cool systems and one for multistage heat systems. If the thermostat is not configured for multistage HVAC systems then these parameters have no effect.
Size: 2 Byte, Default Value: 4

SettingDescription

4 – 3084	Byte 1: 4 – 12 (heat diff temp), Byte 2: 4 – 12 (cool diff temp)

Parameter 9: Thermostat Recovery Mode

The Thermostat Recovery Mode configuration command sets the HVAC recovery mode type. The recovery mode determines when additional HVAC stages are turned off as the ambient temperature returns to the target temperature. If the recovery mode is set to economy, the thermostat will turn off additional HVAC stages when the ambient temperature reaches the target temperature plus/minus the differential temperature. If the recovery mode is set to fast, the thermostat will leave all stages on (assuming they were already on) until the ambient temperature reaches the target temperature.
Size: 1 Byte, Default Value: 2

SettingDescription

1 – 2	1 = Fast, 2 = Economy

Technical Data

Hardware Platform	ZM5202
Device Type	Thermostat – HVAC
Network Operation	Always On Slave
Firmware Version	HW: 250
Z-Wave Version	6.51.00
Certification ID	ZC10-14060001
Z-Wave Product Id	0x0098.0x2002.0x0100
Frequency	XXfrequency
Maximum transmission power	XXantenna

Explanation of Z-Wave specific terms

Controller — is a Z-Wave device with capabilities to manage the network.
Controllers are typically Gateways,Remote Controls or battery operated wall controllers.
Slave — is a Z-Wave device without capabilities to manage the network.
Slaves can be sensors, actuators and even remote controls.
Primary Controller — is the central organizer of the network. It must be
a controller. There can be only one primary controller in a Z-Wave network.
Inclusion — is the process of adding new Z-Wave devices into a network.
Exclusion — is the process of removing Z-Wave devices from the network.
Association — is a control relationship between a controlling device and
a controlled device.
Wakeup Notification — is a special wireless message issued by a Z-Wave
device to announces that is able to communicate.
Node Information Frame — is a special wireless message issued by a
Z-Wave device to announce its capabilities and functions.