The CHV-TSTATEX is a wireless thermostat featuring infiNET EX™ technology. The CHV-TSTATEX installs just like a conventional thermostat because no extra wires are needed to connect to the control system. Although functional as a standalone thermostat, the CHV-TSTATEX delivers enhanced functionality as part of a complete Crestron® automation system. Integrating HVAC with a Crestron system can help lower energy bills and increase user friendliness.
The CHV-TSTATEX is designed for one- or two-stage heating and one- or two-stage cooling control of baseboard, forced air, heat pump*, and dual-fuel heat pump* HVAC systems. The large backlit LCD display provides a clear view of temperature, set point, system mode, fan mode, system status, and setup functions. Climate control features include separate heating and cooling set points, and adjustable anticipators to prevent overshooting the desired temperature. Continuous fan operation can be selected when needed for increased circulation.
Heat pump systems require an outdoor temperature sensor; contact Crestron for additional design assistance.
Heat/Cool Thermostat
The CHV-TSTATEX is designed for heating and cooling control of baseboard, forced air, heat pump and dual-fuel heat pump HVAC systems. The large backlit LCD display provides a clear view of current temperature, setpoint, system mode, fan mode, system status and setup functions. Climate-control features include separate heat and cool setpoints and adjustable anticipators to prevent overshooting the desired temperature. Continuous fan operation can be selected when needed for increased circulation.
infiNET EX Communications
Built on steadfast infiNET technology, infiNET EX is the new standard in 2-way wireless connectivity that can handle installations in even the most urban settings. The redundant nature of its mesh networking technology means that a command will never be missed, resulting in faultless operation – something that is of the utmost importance when it comes to HVAC control and home automation. The
CHV-TSTATEX harnesses this cutting edge wireless connectivity which affords it a level of robustness and dependability above other solutions.
Automation System Integration
The wireless connection to the control system allows the functions of the
CHV-TSTATEX to be controlled from touch screens, keypads, wireless remotes, computers, or even a mobile device. It supports unlimited flexibility for remote control, scheduling, and integration with other devices and systems. However, in the event that communication with the control system is disrupted for any reason, the CHV-TSTATEX will remain operable to control the HVAC system.
Easy Installation
System design and installation using infiNET EX thermostats could not be easier. Because no control wires are required, the CHV-TSTATEX can be installed just like any conventional thermostat.
To simplify installation, physical switches are provided for the most critical configuration options, including heat/cool type, heat pump behavior, power settings, number of heating/cooling stages, and fan options. These settings allow HVAC contractors to install and test the thermostats prior to the appearance of a Crestron system integrator.
An infiNET EX gateway such as the CEN-RFGW-EX is needed for communications. Setting the ID of each device employs the same convention as Crestron’s familiar TSID method, and each device is programmable using Crestron SIMPL Windows, SystemBuilder™ or D3Pro® software just like any wired Cresnet® device. Even firmware updates are performed over the wireless network.
Specifications for the CHV-TSTATEX are listed in the following table.
CHV-TSTATEX Specifications
| SPECIFICATION | DETAILS |
| Wireless | |
| RF Transceiver | 2-way RF, 2.4 GHz ISM Channels 11-26 (2400 to 2483.6 MHz), IEEE 802.15.4 compliant |
| Range (typical) | 150 ft (46 m) indoor, 250 ft (76 m) outdoor; Subject to site-specific conditions; range is increased by adding additional devices or CLW-RFEXP-EX wireless expander (sold separately) |
| Gateway | Requires a CEN-RFGW-EX RF gateway or MC3 3-Series Control System™ (both sold separately) |
| Display | Backlit LCD with two large seven-segment digits, two small seven-segment digits, 14 dedicated symbols; Displays ambient temperature, set point, system mode, fan setting, call activity, low battery, RF or control system communication errors, firmware download progress, setup parameter/function and value |
| Measurement Range | |
| Ambient Temperature | -10º to 110º F (-23º to 43º C) |
| Display Limits | -9º to 99º F (-9º to 43º C) |
| Temperature Tolerance | |
| Over Full Range | ±1º F (±0.5º C) |
| At Room Temperatures | ±1º F (+0.4/-0.2º C) |
| Setpoint Range | |
| Heat only setpoint | 38º to 89º F (3º to 32º C) |
| Cool only setpoint | 59º to 99º F (15º to 37º C) or 38º to 99º F (3º to 37º C) extended cool mode enabled |
| Relay Rating | 1 Amp @ 40 Volts DC or 24 Volts AC (nominal) |
| Environmental | |
| Temperature | -10º to 110º F (-23º to 43º C) |
| Humidity | 10% to 90% RH (non-condensing) |
| Power Requirements | |
| 24V | 0.24 Watts (10 mA @ 24 Volts AC) supplied by heating or cooling system |
| Battery | Two AA batteries, estimated one year normal operation |
| Wireless | |
| RF Transceiver | 2-way RF, 2.4 GHz ISM Channels 11-26 (2400 to 2483.6 MHz), IEEE 802.15.4 compliant |
| Range (typical) | 150 ft (46 m) indoor, 250 ft (76 m) outdoor; Subject to site-specific conditions; range is increased by adding additional devices or CLW-RFEXP-EX wireless expander (sold separately) |
| Gateway | Requires a CEN-RFGW-EX RF gateway or MC3 3-Series Control System™ (both sold separately) |
| Display | Backlit LCD with two large seven-segment digits, two small seven-segment digits, 14 dedicated symbols; Displays ambient temperature, set point, system mode, fan setting, call activity, low battery, RF or control system communication errors, firmware download progress, setup parameter/function and value |
| Measurement Range | |
| Ambient Temperature | -10º to 110º F (-23º to 43º C) |
| Display Limits | -9º to 99º F (-9º to 43º C) |
| Temperature Tolerance | |
| Over Full Range | ±1º F (±0.5º C) |
| At Room Temperatures | ±1º F (+0.4/-0.2º C) |
| Setpoint Range | |
| Heat only setpoint | 38º to 89º F (3º to 32º C) |
| Cool only setpoint | 59º to 99º F (15º to 37º C) or 38º to 99º F (3º to 37º C) extended cool mode enabled |
| Relay Rating | 1 Amp @ 40 Volts DC or 24 Volts AC (nominal) |
| Environmental | |
| Temperature | -10º to 110º F (-23º to 43º C) |
| Humidity | 10% to 90% RH (non-condensing) |
| Power Requirements | |
| 24V | 0.24 Watts (10 mA @ 24 Volts AC) supplied by heating or cooling system |
| Battery | Two AA batteries, estimated one year of normal operation |
| Default RFID | 01 |
| Minimum 2-Series Control System Update File1, 2 | Version 4.001.1012 or later |
| Minimum 3-Series Control System Update File1 | Version 1.000.018 or later |
| Housing | Injection molded plastic, surface-mountable to the front of a horizontally oriented single-gang electrical box. |
| Dimensions | |
| Height | 4.50 in (115 mm) |
| Width | 5.53 in (141 mm) |
| Depth | 1.03 in (26 mm) |
| Weight | 6.7 oz (190 g) |
| Available Models | |
| CHV-TSTATEX-A-T | infiNET EX Thermostat, Matte Almond |
| CHV-TSTATEX-B-T | infiNET EX Thermostat, Matte Black |
| CHV-TSTATEX-W-T | infiNET EX Thermostat, Matte White |
| Available Accessories | |
| CEN-RFGW-EX | infiNET EX Wireless Gateway |
| C2N-RTHS | Temperature and Humidity Sensor, Cresnet |
| CHV-RSS | Remote Slab Sensor |
| CHV-RTHS3 | Remote Temperature and Humidity Sensor |
| CHV-RTS | Remote Temperature Sensor |
| MC3 | 3-Series Control System |
NOTE: Crestron software and any files on the website are for authorized Crestron dealers and Crestron Authorized Independent Programmers (CAIP) only. New users may be required to register to obtain access to certain areas of the site (including the FTP site).
Physical Description
This section provides information on the connections, controls and indicators available on your CHV-TSTATEX.
CHV-TSTATEX Physical View
Connectors, Controls & Indicators
| # | CONNECTORS, CONTROLS & INDICATORS | DESCRIPTION |
| 1 | MODE Button | Cycles through available system modes: OFF, HEAT, AUX HEAT ONLY (for heat pump or dual-fuel systems only), AUTO and COOL. |
| 2 | FAN Button | Toggles fan setting between FAN AUTO and FAN ON. |
| 3 | Raises the setpoint. |
| # | CONNECTORS, CONTROLS & INDICATORS | DESCRIPTION | |
| 4 | Lowers the setpoint. | ||
| 5 | LCD DISPLAY | Displays ambient temperature, set point, system mode, fan setting, call activity, low battery, RF or control system communication errors, firmware download progress, setup parameter/function and value. | |
| 6 | HVAC | (4) Two-po RS2 | sition terminal blocks Remote sensor (2) (outdoor) |
| RS1 | Remote sensor (1) (indoor) | ||
| RSR | Remote sensor return | ||
| RSR | Remote sensor return | ||
| W2 | 2nd stage heat | ||
| W/W1 | 1st stage heat | ||
| RH | Return heat | ||
| 7 | HVAC | (4) Two-position terminal blocks. B Auto change over (inverted); switched to RC during heat calls. O Auto change over; switched to RC during cool calls. G Fan Y2 2nd stage cool Y/Y1 1st stage cool RC Return cool 24C 24VAC common | |
Identity Code
Every CHV-TSTATEX communicating via RF with a Crestron control system through a CEN-RFGW-EX wireless gateway requires a unique RF ID. The RF ID is a two-digit hexadecimal number that can range from 03 to FF. The RF ID of the unit, set using Crestron Toolbox™, must match the RF ID specified in the SIMPL Windows program.
Supplied Hardware
The hardware supplied with the CHV-TSTATEX is listed in the following table.
Supplied Hardware for the CHV-TSTATEX
| DESCRIPTION | PART NUMBER | QUANTITY |
| Screws, Zinc, Phillips, Pan Head, #06-32 x 1” | 2007251 | 2 |
| Batteries, AA, Alkaline | 2001050 | 2 |
NOTE: Installers should have a strong working knowledge of HVAC systems.
The location of the thermostat can affect its performance and efficiency. Install the thermostat away from direct sunlight, drafts, doorways, skylights and windows. Also make sure the thermostat is conveniently located for control access and setup.
Thermostats should be mounted 60 inches (1.6 meters) above the finished floor (HVAC industry standard). Do not mount on an exterior wall. The following tools/hardware are required for installation.
Use the following procedure to install the CHV-TSTATEX in a standard, single-gang electrical box (refer to the illustration on the following page):
CAUTION: Replace all batteries in the device at the same time Mixing old and new batteries in the device may result in battery leakage and equipment damage.
NOTE: Crestron has provided small slots on either side of the battery cover, designed to allow a flathead screwdriver to be inserted to assist in removal.
Installation into Electrical Box
DIP Switch Setup
The following describes the DIP switch settings.
DIP Switch Settings
Left Switch
| # | DESCRIPTION | ON | OFF |
| 4 | System Type | Heat/Cool | Heat Pump |
| 3 | Heat Pump Mode | Aux Heat | Dual Fuel |
| 2 | Cool/HP Stages | 1 | 2 |
| 1 | Heat Stages | 1 | 2 |
Right Switch
| # | DESCRIPTION | ON | OFF |
| 4 | Fan In Heat | Disabled | Enabled |
| 3 | Change Over Outputs | Disabled | Enabled |
| 2 | Cool SP Range | Normal | Extended |
| 1 | N/A | N/A | N/A |
By default, the CHV-TSTATEX is configured to be powered by two AA alkaline batteries. To extend battery life, the device also receives power from the HVAC system by drawing a small amount of current through the heat or cool terminals. This is known as Steal Power mode.
To enable this feature, locate the POWER slide switch inside the unit and slide it to STEAL (This is the default factory setting on the CHV-TSTATEX).
POWER Slide Switch
Steal
NOTE
Make the necessary connections as called out in the illustrations that follow. A flat head screwdriver (not supplied) is required to attach the control wires from the HVAC system. Apply power after all connections have been made.
The illustrations on the following pages show examples for connection to various types of HVAC systems. If your system does not match any of the systems described below, contact Crestron Technical Support for assistance.
Connections for the CHV-TSTATEX
NOTE
NOTE: To run fan during heat calls, be sure to enable the DIP switches. Refer to “DIP Switch Setup” which starts on page 10 for details. A jumper wire must be placed between RC and RH if 24 VAC will enable the fan.
NOTE: A jumper wire must be placed between RC to RH for combined systems or integrated controllers. Connect Y/Y1 and W/W1 to steal power in cool only mode. Make sure to disable heat calls in setup.
NOTE: The diagram above applies where furnace control is not integrated into the heat pump system.If the system requires a fan, set the top dip switch in the right bank to “on”.
Basic Thermostat Setup
The following describes the most common setup requirements. For full details on all setup options, refer to “Advanced Setup” which starts on page 19.
Place the CHV-TSTATEX in the Setup mode by doing the following:
Use
Joining an infiNET EX Network
Before a CHV-TSTATEX can be used on an infiNET EX network, it must first join an infiNET EX network by being acquired by an infiNET EX gateway (e.g., CEN-RFGW-EX).
NOTE: A CHV-TSTATEX can be acquired by only one gateway.
To acquire a CHV-TSTATEX, perform the following:
NOTE: The acquire process can take up to 15 seconds. The acquire process cannot be aborted.“E1” indicates that search time has expired and no gateway was found.
“E1” indicates the RF channel is set to “0” (disabled). To enable the RF channel, refer to “Start infiNET EX Acquire” in “Setup Mode Parameters/Functions” which starts on.
Leaving an infiNET EX Network
To leave a network, press and hold the FAN,
Verifying Communication Status
To verify communication status, enter the Setup mode as described in “Basic Thermostat Setup” on page 17. Press MODE until the “CC” function is displayed. Press
Communication Error Codes
| ERROR CODE | SUMMARY | CORRECTIVE ACTION | REMARKS |
| 00 | Success | None. | No detectable problems found. |
| E0 | Low battery warning | Check and/or replace batteries, investigate battery drain rate. | Set when the capacity is below approximately 10% and the device needs battery power (i.e. not using 24VAC mode). |
| E1 | 24VAC supply usage warning | Confirm desired power connection and S2 position setting. | Set when constant 24VAC is detected but the internal bus voltage does not meet run threshold. This can happen when 24VAC is available but S2 is set to power-steal. This is not an error but warns that better performance may be achieved by changing S2 position. |
| E2 | Display timing error | None, consider replacement of unit. | Set when timing parameters for display operation cannot be met. Device may be usable but proper display operation cannot be guaranteed. |
| E3 | NV memory usage error | Replace unit when feasible. | Set when internal NV memory usage has exceeded its rated life. Device will continue to operate but data retention may be in question. |
| E4 | Application LQI poor | Perform general RF debugging to improve communications. | Link quality to gateway is poor and may indicate communications problems that can impact timely data exchange or battery life. |
| E5 | GW addressing info missing | Run acquire operations if communication is needed. | Device cannot address a gateway. This may simply mean the device has not been acquired yet. |
| E6 | ZigBee network join error | Run acquire operations if communication is needed. | Device is not joined to a ZigBee network. This may simply mean the device has not been acquired yet. |
| E7 | Excessive link cost | Perform general RF debugging to improve communications | Network link to gateway is not desirable. Communication may work ok but is subject to many hops that will impact communication speed and battery life. |
Setup Mode
After the CHV-TSTATEX is installed, it is necessary to set it up for a particular heating/cooling system. Please note that some of the setup parameters listed below will not always be available. Refer to “Setup Mode Parameters/Functions”, which starts on page 20 for details.
Place the CHV-TSTATEX in the Setup mode by doing the following:
Once in Setup mode, the display will indicate the currently selected setup parameter/function. Press and release the MODE button quickly (must be released within one second) to change to the next parameter/function in the list. e.
NOTE: Holding the MODE button for more than one second will reset the currently selected parameter/function to its default value.
When setting parameters (such as when choosing between Fahrenheit or Celsius display), pressing the
When a function is selected (such as when starting an infiNET EX acquire), pressing either
To exit from Setup mode, press the FAN button on the CHV-TSTATEX.
CHV-TSTATEX LCD Display (Setup Mode)
NOTE: When the CHV-TSTATEX is in Setup mode the large seven-segment displays will show the current setup parameter/function. The small seven-segment displays will show the current value for the selected setup parameter, if applicable, or it will display “—” when a function is selected. All other display elements will be hidden (refer to “LCD Display” which starts on.While in Setup mode, a period of one minute with no button activity will cause the CHV-TSTATEX to revert to standard operation, unless a function (such as an infiNET EX acquire) is executing.
Setup Mode Parameters/Functions
The following table shows the available setup parameters/functions.
Setup Mode Parameters/Functions
| PARAMETER/ FUNCTION | CODE | VALID VALUES | DEFAULT VALUE | NOTES |
| Temperature Scale | FC | F, C1 or C2 | F | Sets units to use for temperature display (Fahrenheit or Celsius). When using Celsius temperature scale, C2 allows the setpoint to be adjusted in 0.5ºC steps. |
| Backlight Timeout | bL | 1 – 4 seconds or disabled (–) | 4 seconds | Sets the number of seconds the backlight will remain lit after a button press. |
| Auto mode | AU | Disabled (–), Dual setpoint (d) or Single setpoint (S) | — | Used to enable Auto mode with single or dual setpoint operation. |
| Auto Dead Band (will only appear when Auto mode is enabled) | db | 2 – 4 (for Fahrenheit) or 1 – 3 (for Celsius) | 2 | Used to set minimum separation between heat and cool setpoints (with dual setpoints) or maximum drift before system latches alternate mode (with single setpoint). |
| Temperature Offset | to | -9 to +9 (for Fahrenheit) or -5 to +5 (for Celsius) | 0 | Permits recalibration of room temperature sensor. This is the number of degrees added to or subtracted from the actual temperature. This adjustment changes the actual regulation temperature, not just the display. |
| Heat Anticipator | HA | 1 – 6 | 3 | Lower setting results in more frequent cycles and faster response (tighter regulation). Higher setting results in less frequent cycles and slower response (looser regulation). The default value should suffice in nearly all installations. |
| Cool Anticipator | CA | 1 – 6 | 3 | Lower setting results in more frequent cycles and faster response (tighter regulation). Higher setting results in less frequent cycles and slower response (looser regulation). The default value should suffice in nearly all installations. |
| Heat pump Balance Point (will only appear for Heat pump and Dual- Fuel Heat pump systems) | Hb | 16 to 90 (for Fahrenheit) or -9 to 32 (for Celsius) or Disabled (–) | — | Heat pump systems have performance restrictions based on outdoor temperature. This setting is the minimum outdoor temperature at which the heat pump (or dual-fuel heat pump) system will run. |
| PARAMETER/ FUNCTION | CODE | VALID VALUES | DEFAULT VALUE | NOTES |
| Aux-Heat Balance Point (will only appear for Heat pump type systems) | Ab | 16 to 90 (for Fahrenheit) or -9 to 32 (for Celsius) or Disabled (–) | — | Aux heat operation is locked out when outdoor temperature exceeds the Aux Heat Balance Point. Dual- fuel systems do not allow both the heat pump and the aux to run at the same time. |
| Interstage Differential (will only appear for Heat pump systems) | dF | 05 to 80 (tenths of a degree Fahrenheit), adjustable in 5 tenths degree increments or 05 to 45 (tenths of a degree Celsius), adjustable in 5 tenths degree increments | 20 (F) or 10 (C) | Heat pump systems can allow both the heat pump and aux to run at the same time. This sets the ambient temperature threshold to trigger aux heat in addition to the heat pump. |
| Heat pump/AUX or any 2-stage system configuration (will only appear for Heat pump type systems) | AS | 1 – 6 | 6 | Accumulated staging threshold index sets how aggressively staging is performed in response to extended system calls. Index 6 effectively disables accumulated staging effects. |
| Remote sensors | Sn | i, r, ir | i | i – internal sensor only (When no remote sensor is detected, only this option is available) r – remote sensor only (Only available when a remote sensor has been detected) ir – average internal and remote sensors |
| Check Firmware Version | rE | Firmware version is displayed in xx.yy.zz format. “—“ can also be displayed | — | When firmware version is not yet shown, display will be “—“. Each press of the or button will cycle to the next portion of the version number. |
| InfiNET-EX ID (RF ID) | id | 01 and 03 – FE | 01 | Sets the infiNET EX ID. SIMPL Windows restricts infiNET EX devices to an ID range of 03 – 20. |
| infiNET EX Sleep Time | SL | Short (S) or Long (L) | L | Indicates thermostat update rate. Setting for fewer updates (“L”) will conserve battery power. |
| Start infiNET EX Acquire | AC | Not started (–) In progress (flashing –) Finished, found GW (00) Finished, could not find GW (E#, where # represents an error code) | N/A | Used to acquire the device to a gateway. ”E0” indicates that search time has expired and no gateway was found. ”E1” indicates the infiNET EX RF Channel is set to “0” (disabled). |
| PARAMETER/ FUNCTION | CODE | VALID VALUES | DEFAULT VALUE | NOTES |
| Unacquire Gateway | UA | Not started (–) In progress (flashing –) Finished, success (00) Finished, failed (E#, where # represents an error code) | N/A | Used to remove gateway information from the device, so it will no longer communicate with the current gateway. ”E1” indicates that there is no previous gateway information (i.e. the gateway may already have been unacquired). |
| Communications check | CC | Error (E# – where # is a number from 0 to 7) No problems (00) | N/A | Displays error codes for any problems found, or 00 for no problems. |
| Check Battery Life | bA | Not started (–) Estimated remaining battery life (0 – 99) | N/A | Gives estimated remaining battery life in percent. |
| Restore Factory Defaults | Fd | Not started (–) In progress (blank or flashing –) Finished (00) Button not held long enough (Er) | N/A | Restores all setup parameters to their default settings. To prevent accidentally performing this action, you must press and hold either the or button for three seconds for this function to execute. |
| Perform Heat Call Test (Toggle) | H | Not started/Heat call off (–) Heat call on (on) (also, “H” icon will turn on) | N/A | Will test the heat call output. Bypasses short-cycle timers. Useful for technician system testing. Note that calling the heat may activate other relays in the thermostat as required, such as the fan output for heat pump or dual-fuel types. |
| Perform Cool Call Test (Toggle) | C | Not started/Cool call off (–) Cool call on (on) (also, “C” icon will turn on) | N/A | Will test the cool call output. Bypasses short-cycle timers. Useful for technician system testing. Note that calling the cooling may activate other relays in the thermostat as required, such as the fan output. |
| Perform Aux Heat Call Test (Toggle) (will appear only on Heat pump and Dual- Fuel Heat pump systems) | A | Not started/Aux call off (–) Aux call on (on) (also, “A” icon will turn on) | N/A | Same as above, for testing aux heat output. |
| Perform Fan Call Test (Toggle) | F | Not started/Fan call off (–) Fan call on (on) (also, “F” icon will turn on) | N/A | Same as above, for fan. Note that only the fan relay can be activated for a fan call test. |
| Perform Self Test | St | Not started (–) In progress (flashing –) Finished, self test ok (00) Finished, self test failed (E#, where # represents an error code) | N/A | For assistance, please contact the Crestron customer service team by calling Crestron at 1-888-CRESTRON (1-888-273-7876). |
The MODE button on the CHV-TSTATEX will cycle the unit through all available system modes in the following order: Off, Heat, Emergency Heat (for heat pump and dual-fuel systems), Cool and Auto (if enabled in Setup). The system mode will change upon release of the MODE button and the selected mode will become operational five seconds after the mode has been entered.
Off Mode
In Off mode, all HVAC systems are disabled.
Heat Mode
In Heat mode, the thermostat uses the heating system to maintain the setpoint temperature.
AUX Heat Mode
In Aux Heat mode, the thermostat uses only the auxiliary heat output on heat pump or dual-fuel systems to maintain the setpoint temperature.
NOTE: Aux Heat mode can only be accessed when heat/cool type has been set to “Heat pump” or “Dual-Fuel Heat pump”. This setting can be useful when the heat pump is being serviced or when there is an unexpected problem with it. The display will flash the “flame” icon when the system is in Aux Heat mode.
Cool Mode
In Cool mode, the thermostat uses the cooling system to maintain the setpoint temperature.
Auto Mode
In Auto mode, the thermostat allows the system to switch between Heat and Cool automatically as needed to maintain the setpoint temperature. By default, the CHV-TSTATEX has been configured with Auto mode disabled, meaning it is not available from the thermostat itself or via another interface such as a touch screen.
In order to enable Auto mode, you must enter Setup mode and change the “AU” setting from “–” to either “d” (dual setpoint) or “S” (single setpoint). Refer to “Setup Mode” which starts on page 19 for details.
Once Auto mode has been enabled, you can access it from the CHV-TSTATEX controls as follows:
Dual Setpoint Auto Mode (“AU” = “d” in Setup Mode)
In dual setpoint Auto mode, separate heat and cool setpoints are used. When the ambient temperature drops below the heat setpoint, the unit will call for heat to maintain the heat setpoint. When the ambient temperature rises above the heat setpoint, the unit will not call for cooling until the temperature exceeds the cool setpoint. When the ambient temperature drops below the cool setpoint, the unit will not call for heating until the temperature is below the heat setpoint.
When dual setpoint Auto mode has been enabled, the Auto Dead Band is used to maintain a minimum separation between the heat and cool setpoints. If this separation is violated by a setpoint adjustment, the other setpoint will be automatically adjusted.
For example, if the heat setpoint is at 68 degrees, the cool setpoint is at 72 degrees and the Auto Dead Band is set to 4 degrees, if you lower the cool setpoint to 71 degrees, the heat setpoint will automatically be adjusted to 67 degrees to maintain the 4 degree Auto Dead Band separation.
In dual setpoint Auto mode, the CHV-TSTATEX display will indicate whichever setpoint is closer to the ambient temperature. Both the heat and cool setpoints can be viewed simultaneously using a touch screen.
Single Setpoint Auto Mode (“AU” = “S” in Setup Mode)
In single setpoint Auto mode, a single setpoint is used for regulation at all times, regardless of whether the system is heating or cooling. The Auto Dead Band (“db”) setup parameter is used to determine when to switch between heating and cooling.
For example, if the setpoint is at 70 degrees and the Auto Dead Band is set to 2 degrees, if the system is cooling, it will not start heating until the ambient temperature drops below 68 degrees (setpoint – Auto Dead Band). Once the unit has switched to heating, it will not resume cooling until the ambient temperature rises above 72 degrees (setpoint + Auto Dead Band).
A larger value for the Auto Dead Band setting will result in less cycling between heating and cooling but can result in large temperature swings during the course of the day. Smaller values for the Auto Dead Band setting will result in tighter temperature regulation but more frequent cycling between heating and cooling.
NOTE: When using a single setpoint, the CHV-TSTATEX has a 20-minute change limiter to prevent system toggling.
Fan
The FAN button toggles the fan setting between fan AUTO and fan ON. When set to AUTO, a fan call will be made whenever the system makes a cool call or when the system makes a heat call or auxiliary heat call (if the DIP switch is set to “Enabled”). When set to ON the fan will always run.
The setpoint is the user-selectable temperature you want the system to maintain.
The
NOTE: While the setpoint is being adjusted, if it is set to a half-degree increment, the integer portion of the number will be displayed and will alternate with “_5” every quarter second for a period of four seconds after the last adjustment. After four seconds, only the integer portion of the number will be displayed.
If the or button is held down for two seconds, the unit will enter an auto-repeat state and the setpoint will adjust rapidly until the button is released or until the upper (or lower) limit is reached. Some users will want to have setpoints change automatically based on the day of the week and the time of day. For example, in the winter they may want to lower the heat setpoint while they sleep to lower heating costs. To accommodate this, the CHV-TSTATEX provides a “Scheduled Heat Setpoint” and a “Scheduled Cool Setpoint” which can be specified by the control system program. This is handled automatically by the “Crestron CHV-TSTATEX w/5-2 Scheduler” module provided with the Crestron Database. Refer to the SIMPL Windows help file for details. For dual setpoint operation, refer to “Auto Mode” which starts on.
Hold: Hold allows the user to adjust the setpoint and will maintain that setpoint until the unit is taken out of Hold. This means that any change to the scheduled heat or cool setpoint that occurs while in Hold will be ignored until the unit is taken out of Hold.
Pressing the MODE and FAN buttons simultaneously will cause the unit to enter Hold if Hold is not yet active and the system mode is Heat, Emergency Heat or Cool.
Pressing the MODE and FAN buttons simultaneously when Hold is active will cause the unit to exit from Hold and recall either the scheduled heat setpoint or scheduled cool setpoint as appropriate to the system mode.
If the system is in single setpoint Auto mode, exiting from Hold will recall the scheduled auto setpoint. If the system is in dual setpoint Auto mode, upon exiting from Hold, the auto cool setpoint becomes the scheduled cool setpoint and the auto heat setpoint becomes the scheduled heat setpoint. Pressing the MODE and FAN buttons simultaneously when the system mode is Off will have no effect.
When Hold is active, the unit will continue to adjust the current setpoint when the
Remote Operation
As an infiNET EX device, the CHV-TSTATEX can be controlled remotely via a Crestron control system. Most often, control of the thermostat will be achieved via a touch screen or Web-based graphical interface. In order to extend battery life, the thermostat will only communicate with the control system once every 30 seconds or one minute, based on the infiNET EX Sleep Time setting. Because of this, there will be a noticeable delay between the time a button is pressed on a touch screen and when the thermostat reacts to the command. To account for this, the CHV-TSTATEX modules written by Crestron and provided in the Crestron Database will mimic the feedback from the thermostat so that the user will see an immediate response on the touch screen.
Likewise, pressing a local button on the thermostat (for example, setpoint raise or lower) will not cause an immediate change to the corresponding display on a touch screen. Instead, the thermostat will wake up shortly after the last button press to send its updated status to the control system.
If the thermostat is wired to have the optional 24 VAC at the 24C terminal and the power switch is set for 24V, there will not be a delay in feedback.
LCD Display
CHV-TSTATEX LCD Display
LCD Display Elements
| # | LCD DISPLAY ELEMENT | DESCRIPTION |
| 1 | Large seven-segment digits | Indicates current ambient temperature1, 2. In Setup mode, indicates current setup parameter/function. Display range is limited to –9º to 99ºF (-9º to 43ºC). If the ambient temperature is above 99º, the display will indicate 99º. If the ambient temperature is below –9º, the display will indicate –9º. |
| 2 | Small seven-segment digits | Indicates current setpoint (in F or C) in whole degrees. While the setpoint is being adjusted, if it is set to a half-degree increment, the integer portion of the number will be displayed and will alternate with “_5” every quarter second for a period of four seconds after the last adjustment. After four seconds, only the integer portion of the number will be displayed. In Setup mode, indicates current value for selected setup parameter. |
| 3 | Flame icon | Displayed when the system mode is Heat. Flashes (on two seconds, off one half second) when the system mode is Aux Heat (Emergency Heat). Displayed with snowflake icon when system is in Auto mode. |
| 4 | Snowflake icon | Displayed when the system mode is Cool. Displayed with flame icon when system is in Auto mode. |
| 5 | Fan icon | Displayed at all times. |
| 6 | AUTO indicator | Displayed when FAN setting is AUTO. If this is not displayed, FAN is always ON. |
| 7 | OFF indicator | Displayed when the system mode is Off. |
| 8 | HOLD indicator | Displayed when the HOLD setting is active. |
| 9 | H, C, F & A indicators | H – Displayed whenever a Heat Call is being made. C – Displayed whenever a Cool Call is being made. F – Displayed whenever a Fan Call is being made. A – Displayed whenever an Aux Heat Call is being made. |
Have a question or comment about Crestron software?
Answers to frequently asked questions (FAQs) can be viewed in the Online Help section of the Crestron Web site. To post a question or view questions you have submitted to Crestron’s True Blue Support, log in at www.crestron.com/support. First-time users will need to establish a user account.
Earliest Version Software Requirements for the PC
NOTE: Crestron recommends that you use the latest software to take advantage of the most recently released features. The latest software is available from the Crestron Web site (www.crestron.com/software).
Crestron provides an assortment of Windows® based software tools to develop a customized system. Use SystemBuilder, D3 Pro or SIMPL Windows to create a program to control the CHV-TSTATEX. Customers whose focus is on lighting systems may prefer to use the D3 Pro software since it is designed especially for creating lighting and environmental system control applications. Customers already familiar with SIMPL Windows who are including a lighting system as part of an overall control system project may prefer to continue using SIMPL Windows.
Programming with Crestron SystemBuilder
SystemBuilder is a comprehensive programming environment. Appropriate for most systems, it can quickly and easily generate a complete working program including both control processor logic and touchscreen graphics.
Programming with D3 Pro
Crestron’s D3 Pro lighting software provides all the tools necessary to create a complete Crestron lighting system for residential applications. The lighting system includes the control system logic program, touch screen projects and keypad programming, documentation and real-time lighting adjustment capabilities. As with all Crestron software, D3 Pro provides extensive right-click and drag-and-drop functionality in addition to convenient keyboard shortcuts for frequently used functions and commands.
Programming is organized into six system Views of the lighting system, each providing a moveable toolbox of devices such as interfaces, fixtures and control modules. You can add a device to your system simply by selecting it from one of the toolboxes and dragging it to a room. The available toolboxes differ depending on the View but all Views include a “General” toolbox that allows you to add areas and rooms at any time.
Programming with SIMPL Windows
NOTE: While SIMPL Windows can be used to program the CHV-TSTATEX, it is recommended to use SystemBuilder for configuring a system.
SIMPL Windows is Crestron’s premier software for programming Crestron control systems. It is organized into two separate but equally important “Managers”: Configuration and Program.
Configuration Manager
Configuration Manager is the view where programmers “build” a Crestron control system by selecting hardware from the Device Library.
NOTE: If connecting to the MC3, drag the CHV-TSTATEX directly to the control system.
The system tree of the control system displays the CHV-TSTATEX in the appropriate slot(s) with a default RF ID as shown in the following illustration.
C2Net Device, Slot 8
NOTE: The ID code specified in the SIMPL Windows program must match the RF ID of each unit. Refer to “Identity Code” on.
Program Manager
Program Manager is the view where programmers “program” a Crestron control system by assigning signals to symbols.
The symbol can be viewed by double-clicking on the icon or dragging it into Detail View. Each signal in the symbol is described in the SIMPL Windows help file (F1).
Crestron recommends using the latest programming software and that each device contains the latest firmware to take advantage of the most recently released features. However, before attempting to upload or upgrade it is necessary to establish communication. Once communication has been established, files (for example, programs or firmware) can be transferred to the control system (and/or device). Finally, program checks can be performed (such as changing the device ID or creating an IP table) to ensure proper functioning.
Establishing Communication
Use Crestron Toolbox for communicating with the CHV-TSTATEX; refer to the Crestron Toolbox help file for details. There is a single method of communication: indirect communication.
Indirect Communication
The CHV-TSTATEX connects to the CEN-RFGW-EX (gateway), which connects to control system via Ethernet.
Establish communications between the PC and the control system as described in the latest version of the 2-Series Control Systems Reference Guide (Doc. 6256). If connecting to the MC3, refer to the latest version of the MC3 3-Series Control System Operations Guide (Doc. 7095).
Programs and Firmware
Program or firmware files may be distributed from programmers to installers or from Crestron to dealers. Firmware upgrades are available from the Crestron Web site as new features are developed after product releases. One has the option to upload programs via the programming software or to upload and upgrade via the Crestron Toolbox. For details on uploading and upgrading, refer to the SIMPL Windows help file, or the Crestron Toolbox help file.
SIMPL Windows: If a SIMPL Windows program is provided, it can be uploaded to the control system using SIMPL Windows or Crestron Toolbox.
Firmware: Check th e Crestron website to find the latest firmware. (New users may be required to register to obtain access to certain areas of the site, including the FTP site.)
Upgrade CHV-TSTATEX firmware via Crestron Toolbox.
NOTE: Since the CHV-TSTATEX might be “asleep”, there may be a delay of one minute or less before the update starts.
Program Checks
The following table provides corrective action for possible trouble situations. If further assistance is required, please contact a Crestron customer service representative.
CHV-TSTATEX Troubleshooting
| TROUBLE | POSSIBLE CAUSE(S) | CORRECTIVE ACTION |
| No display | No power from the system. | Check for +24V on the 24C connector. Check the circuit breaker powering the furnace or boiler. Check thermostat wiring. Check batteries (if running on battery power). |
| Incorrect mounting to the back plate. | Check thermostat mounting. | |
| Device does not follow control system commands. | Device is not communicating with the CEN-RFGW-EX. | Open Crestron Toolbox and select the Network Device Tree View. Expand the tree until the gateway to be managed is selected. Right-click the NET ID of the selected gateway to open the sub-menu and select Functions | infiNET EX Gateway… If device is not listed, acquire the device to the infiNET EX network (refer to ”Basic Thermostat Setup” which starts on page 17). |
| RF ID of the device (or the gateway ID) is not set to match the RF ID of the SIMPL Windows program. | Use the Network Device Tree infiNET EX network in Crestron Toolbox to poll the infiNET EX network. Verify that the RF ID for the infiNET EX device is set to match the RF ID specified in the SIMPL Windows program. | |
| Heating/Cooling system is not operating. | No power to thermostat. | Check the circuit breaker. Check for +24V on 24C connector. Check the circuit breaker powering furnace or boiler. Recheck wiring connections. Check batteries, replace if necessary. |
| Cannot change setpoint setting. | The upper or lower temperature limits were reached. | Heat setpoint range is 38º to 89ºF (3º to 32ºC). Cool setpoint range is 59º to 99ºF (15º to 37ºC) or 38º to 99ºF (3º to 37ºC) if extended cool mode enabled. |
| System cycles too quickly. | Anticipator setting is too low. | Reprogram anticipator setting (refer to “Setup Mode Parameters/Functions” which starts on page 20). |
| TROUBLE | POSSIBLE CAUSE(S) | CORRECTIVE ACTION |
| Poor battery life. | Ensure that the power source switch selection position is proper for the expected conditions. | Using the 24V position prevents power steal operation and will cause a device to run on battery alone if no 24V input is available. |
| Using the steal position will prevent the 24V input from being used even if it is available. | ||
| Cool-only applications with nothing connected to RH/W1 cannot power- steal. | ||
| Ensure heat system is available if using power steal or follow the cool- only notes in that section. | ||
| Check for communication problems using standard RF troubleshooting. | Fringe communication and excessive gateway reconnect attempts cause extended runtime which consumes battery power more quickly. | |
| Unit is using remote sensors. | Avoid using remote sensors when running on battery alone. Setup system so that power-steal is available. | |
| A long backlight time is being used. | Avoid long backlight runtimes if the user interface is operated frequently. | |
| Room has high temperature variance. | Anticipator setting is too high. | Reprogram anticipator setting (refer to “Setup Mode Parameters/Functions” which starts on. |
| Wide temperature variance in single setpoint Auto mode. | Auto dead band setting is too high. | Reprogram auto dead band (db) setting (refer to “Setup Mode Parameters/Functions” which starts on. |
| Heating/Cooling not operating in single setpoint Auto mode. | 20-minute system toggling lockout. | Reprogram auto dead band (db) and anticipator settings for smoother operation (refer to “Setup Mode Parameters/Functions” which starts on. |
| Wrong temperature is displayed. | Wrong temperature scale. | Select F or C as necessary. |
| A Temperature Offset has been applied. | Reset Temperature Offset (refer to “Setup Mode Parameters/Functions” which starts on. | |
| Bad location. | Ensure the thermostat is located away from direct sunlight, drafts, doorways, skylights and windows or exterior walls. |
| TROUBLE | POSSIBLE CAUSE(S) | CORRECTIVE ACTION |
| Heat or cool call occurs but device does not indicate a heat or cool call. | Steal power function may be causing problems with HVAC system. | Change Power DIP Switch to 24VAC and ensure you have two AA batteries installed. |
| Improper wiring connections. | Recheck wiring connections. | |
| Can not enter Auto mode. | Auto mode is disabled in setup. | Reprogram Auto mode setting (AU) to “S” (for single setpoint operation) or “d” (for dual setpoint operation) (refer to “Setup Mode Parameters/Functions” which starts on. |
Reference Documents
The latest version of all documents mentioned within the guide can be obtained from the Crestron Web site (http://www.crestron.com/manuals).
List of Related Reference Documents
| DOCUMENT TITLE |
| 2-Series Control Systems Reference Guide |
| CEN-RFGW-EX infiNET EX Wireless Gateway |
| MC3 3-Series Control System |
Further Inquiries
If you cannot locate specific information or have questions after reviewing this guide, please take advantage of Crestron’s award winning customer service team by calling Crestron at 1-888-CRESTRON [1-888-273-7876]. For assistance in your region, please refer to the Crestron Web site (www.crestron.com) for a listing of Crestron worldwide offices.
You can also log onto the online help section of the Crestron Web site (www.crestron.com/onlinehelp) to ask questions about Crestron products. First-time users will need to establish a user account to fully benefit from all available features.
Future Updates
As Crestron improves functions, adds new features and extends the capabilities of the CHV-TSTATEX, additional information may be made available as manual updates. These updates are solely electronic and serve as intermediary supplements prior to the release of a complete technical documentation revision. Check the Crestron Web site periodically for manual update availability and its relevance. Updates are identified as an “Addendum” in the Download column.
About Heat Pumps
A heat pump extracts available heat from one area and transfers it to another. Even cold air contains some heat and heat pumps can extract heat from the outside air on a cold day and transfer it indoors to maintain a comfortable temperature. A heat pump also works in reverse during the summer, extracting heat from indoors and transferring it outdoors.
In the heating mode, the efficiency of a heat pump decreases as the outdoor air temperature decreases. Heat flows naturally from a warm area to a cooler area and the heat pump takes advantage of this principle. The heat pump essentially consists of a compressor, an inside coil and fan and an outside coil and fan. A refrigerant flows inside the coils, under pressure applied by the compressor.
The refrigerant boils at a very low temperature (as low as -15° F) and becomes a vapor, just as water becomes a vapor (steam) when boiled. This vapor is sucked into the compressor where it becomes a high pressure, high temperature vapor.
When heating, the refrigerant is then forced through a coil within part of the heat pump located indoors. A fan blows cool air over the coil, the vapor cools, turns back to a liquid, releasing heat that is blown through a duct system to heat the house.
The cycle begins again as the cooled liquid refrigerant is pumped back outside after releasing it’s heat. On the way, it passes through an expansion valve, lowering the refrigerant’s pressure and temperature again so it can boil more easily in the outdoor coil.
The efficiency of a heat pump varies significantly with the outdoor temperature. While a heat pump may be twice as efficient as a conventional heating system at 50°F. When the outdoor temperature drops to less than 30°F, the heat pump must be supplemented with an auxiliary heating system such as electric resistance. At temperatures of 15°F or less the heat pump may shut off and the backup heating system takes over. This is the heat pump balance point.
In a dual-fuel system, the heat pump is supplemented with a standard furnace, which takes over when it becomes more efficient than the heat pump at very low temperatures. The heat pump type setting (HP) of the Heat/Cool Type (HC) setup parameter will allow aux heat to stage with the heat pump. A dual-fuel type setting (dF) will not allow both systems to run at the same time.
Anticipators
Used to anticipate the drop or rise in temperature and energize the appropriate system before reaching the set point. Anticipators affect how tightly the setpoint temperature is maintained.
Auto Dead Band
Sets the minimum separation in auto mode between heat and cool setpoints (with dual setpoints) or maximum drift before system latches alternate mode (with single setpoint).
Balance Point
At low outdoor temperatures, the refrigeration cycle of a heat pump will not be able to supply the heating requirements without the aid of a supplementary heat source. At higher outdoor temperatures, it is inefficient to use supplementary heat.
The heat pump balance point sets the minimum outdoor temperature required to allow operation of the heat pump. Additionally, for conventional heat pump system types (Heat/Cool Type setup parameter = HP), the Aux-Heat Balance Point sets the maximum outdoor temperature to allow operation of the auxiliary heat. Since dual fuel system types only allow operation of one system at a time, only one balance point is available.
Blower (Fan)
An air-handling device for moving air in a distribution system.
Call
A call is the action taken by the thermostat when it sends a signal to turn on the heating or cooling system.
Dual Fuel
Extended Cool
Extends the cool setpoint range to the full auto range of 38 to 99°F.
Forced Air
A type of heating system that uses a blower motor to move air through the furnace and into the ductwork.
Furnace
Equipment used to convert heating energy, such as fuel, oil, gas or electricity, to usable heat. It usually contains a heat exchanger, a blower and the controls to operate the system.
Heat Pump
A unit that both cools and heats. A heat pump system can be either a split system or a packaged system. A heat pump can be used in conjunction with a gas/oil/LP furnace (using the furnace instead of electric resistance heat when temperatures fall below about 35º F).
Humidity
The total amount of moisture in air. Relative humidity (RH) is the amount of moisture in air, relative to its total capability based upon its temperature (dew point). Moisture will condense on surfaces that are below this dew point.
HVAC
Heating, ventilation and air conditioning.
Interstage Differential
The proportional temperature error (0.5 to 3.0º) to trigger the second stage (2-stage only), such as the aux heat for a heat pump type system.
Run Fan in Heat Calls
A device setting that activates the fan output during heat (W) calls. (For heat pump or dual fuel system types, this setting activates the fan during calls for auxiliary heat.
Setpoint
The user selectable temperature you want the system to maintain.
Time Delay (Timer Guards)
Refers to a safety device or circuit that will not allow restart for three minutes.
Merchandise Returns / Repair Service
CRESTRON Limited Warranty
CRESTRON ELECTRONICS, Inc. warrants its products to be free from manufacturing defects in materials and workmanship under normal use for a period of three (3) years from the date of purchase from CRESTRON, with the following exceptions: disk drives and any other moving or rotating mechanical parts, pan/tilt heads and power supplies are covered for a period of one (1) year; touch screen display and overlay components are covered for 90 days; batteries and incandescent lamps are not covered.
This warranty extends to products purchased directly from CRESTRON or an authorized CRESTRON dealer. Purchasers should inquire of the dealer regarding the nature and extent of the dealer’s warranty, if any.
CRESTRON shall not be liable to honor the terms of this warranty if the product has been used in any application other than that for which it was intended or if it has been subjected to misuse, accidental damage, modification or improper installation procedures. Furthermore, this warranty does not cover any product that has had the serial number altered, defaced, or removed.
This warranty shall be the sole and exclusive remedy to the original purchaser. In no event shall CRESTRON be liable for incidental or consequential damages of any kind (property or economic damages inclusive) arising from the sale or use of this equipment. CRESTRON is not liable for any claim made by a third party or made by the purchaser for a third party.
CRESTRON shall, at its option, repair or replace any product found defective, without charge for parts or labor. Repaired or replaced equipment and parts supplied under this warranty shall be covered only by the unexpired portion of the warranty.
Except as expressly set forth in this warranty, CRESTRON makes no other warranties, expressed or implied, nor authorizes any other party to offer any warranty, including any implied warranties of merchantability or fitness for a particular purpose. Any implied warranties that may be imposed by law are limited to the terms of this limited warranty. This warranty statement supersedes all previous warranties.
Regulatory Compliance
As of the date of manufacture, the CHV-TSTATEX has been tested and found to comply with specifications for CE marking and standards per EMC and Radiocommunications Compliance Labelling.
Federal Communications Commission (FCC Compliance Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions:
CAUTION: Chan?es or modifications not expressly approved hy the manufacturer responsible for compliance could void the user s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 1 of the FCC Rules. These limits are designed to provide reasonable protecüon against harmful Interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Industry Canada (10 Compliance Statement
Operation is to the following two conditions:
To satisfy RF exposure requirements, this device and its antenna must operate with a separation distance ofat least 20 centimeters from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
Crestron, the Crestron logo, 3-Series Control System, Crestron Toolbox, Cresnet, D3 Pro, infiNET EX and SystemBuilder are trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and other countries. Windows is a trademark or registered trademark of Microsoft Corporation in the United States and/or other countries. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. ©2011 Crestron Electronics, Inc.
Operations & Installation Guide – DOC. 6989A (2027560)
Specifications subject to
change without notice.
Crestron Electronics, Inc.
Address: 15 Volvo Drive Rockleigh, NJ 07647
Tel: 888.CRESTRON
Fax: 201.767.7576
www.crestron.com
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